1009ea47eSEdward Tomasz Napierala /*- 21de7b4b8SPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 31de7b4b8SPedro F. Giffuni * 4009ea47eSEdward Tomasz Napierala * Copyright (c) 2012 The FreeBSD Foundation 5009ea47eSEdward Tomasz Napierala * 6009ea47eSEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 7009ea47eSEdward Tomasz Napierala * from the FreeBSD Foundation. 8009ea47eSEdward Tomasz Napierala * 9009ea47eSEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 10009ea47eSEdward Tomasz Napierala * modification, are permitted provided that the following conditions 11009ea47eSEdward Tomasz Napierala * are met: 12009ea47eSEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 13009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 14009ea47eSEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 15009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 16009ea47eSEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 17009ea47eSEdward Tomasz Napierala * 18009ea47eSEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19009ea47eSEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20009ea47eSEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21009ea47eSEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22009ea47eSEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23009ea47eSEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24009ea47eSEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25009ea47eSEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26009ea47eSEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27009ea47eSEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28009ea47eSEdward Tomasz Napierala * SUCH DAMAGE. 29009ea47eSEdward Tomasz Napierala * 30009ea47eSEdward Tomasz Napierala */ 31009ea47eSEdward Tomasz Napierala 32b7a65e39SEdward Tomasz Napierala #include <sys/cdefs.h> 33b7a65e39SEdward Tomasz Napierala __FBSDID("$FreeBSD$"); 34b7a65e39SEdward Tomasz Napierala 35009ea47eSEdward Tomasz Napierala #include <sys/types.h> 36009ea47eSEdward Tomasz Napierala #include <sys/time.h> 37009ea47eSEdward Tomasz Napierala #include <sys/socket.h> 385c734b04SJakub Wojciech Klama #include <sys/stat.h> 39009ea47eSEdward Tomasz Napierala #include <sys/wait.h> 40009ea47eSEdward Tomasz Napierala #include <netinet/in.h> 41073edb1cSAlexander Motin #include <arpa/inet.h> 42009ea47eSEdward Tomasz Napierala #include <assert.h> 43009ea47eSEdward Tomasz Napierala #include <ctype.h> 44009ea47eSEdward Tomasz Napierala #include <errno.h> 45009ea47eSEdward Tomasz Napierala #include <netdb.h> 46009ea47eSEdward Tomasz Napierala #include <signal.h> 47009ea47eSEdward Tomasz Napierala #include <stdbool.h> 48009ea47eSEdward Tomasz Napierala #include <stdio.h> 49009ea47eSEdward Tomasz Napierala #include <stdint.h> 50009ea47eSEdward Tomasz Napierala #include <stdlib.h> 51009ea47eSEdward Tomasz Napierala #include <string.h> 52009ea47eSEdward Tomasz Napierala #include <unistd.h> 53009ea47eSEdward Tomasz Napierala 54009ea47eSEdward Tomasz Napierala #include "ctld.h" 55829603e2SAlexander Motin #include "isns.h" 56009ea47eSEdward Tomasz Napierala 57ba3a2d31SEdward Tomasz Napierala bool proxy_mode = false; 58ba3a2d31SEdward Tomasz Napierala 59009ea47eSEdward Tomasz Napierala static volatile bool sighup_received = false; 60009ea47eSEdward Tomasz Napierala static volatile bool sigterm_received = false; 61009ea47eSEdward Tomasz Napierala static volatile bool sigalrm_received = false; 62009ea47eSEdward Tomasz Napierala 63009ea47eSEdward Tomasz Napierala static int nchildren = 0; 64db7bf2baSAlexander Motin static uint16_t last_portal_group_tag = 0xff; 65009ea47eSEdward Tomasz Napierala 66009ea47eSEdward Tomasz Napierala static void 67009ea47eSEdward Tomasz Napierala usage(void) 68009ea47eSEdward Tomasz Napierala { 69009ea47eSEdward Tomasz Napierala 70e321146fSEdward Tomasz Napierala fprintf(stderr, "usage: ctld [-d][-u][-f config-file]\n"); 717fcbecd0SEdward Tomasz Napierala fprintf(stderr, " ctld -t [-u][-f config-file]\n"); 72009ea47eSEdward Tomasz Napierala exit(1); 73009ea47eSEdward Tomasz Napierala } 74009ea47eSEdward Tomasz Napierala 75009ea47eSEdward Tomasz Napierala char * 76009ea47eSEdward Tomasz Napierala checked_strdup(const char *s) 77009ea47eSEdward Tomasz Napierala { 78009ea47eSEdward Tomasz Napierala char *c; 79009ea47eSEdward Tomasz Napierala 80009ea47eSEdward Tomasz Napierala c = strdup(s); 81009ea47eSEdward Tomasz Napierala if (c == NULL) 82009ea47eSEdward Tomasz Napierala log_err(1, "strdup"); 83009ea47eSEdward Tomasz Napierala return (c); 84009ea47eSEdward Tomasz Napierala } 85009ea47eSEdward Tomasz Napierala 86009ea47eSEdward Tomasz Napierala struct conf * 87009ea47eSEdward Tomasz Napierala conf_new(void) 88009ea47eSEdward Tomasz Napierala { 89009ea47eSEdward Tomasz Napierala struct conf *conf; 90009ea47eSEdward Tomasz Napierala 91009ea47eSEdward Tomasz Napierala conf = calloc(1, sizeof(*conf)); 92009ea47eSEdward Tomasz Napierala if (conf == NULL) 93009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 94920c6cbaSAlexander Motin TAILQ_INIT(&conf->conf_luns); 95009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_targets); 96009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_auth_groups); 9792847ee1SAlexander Motin TAILQ_INIT(&conf->conf_ports); 98009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_portal_groups); 99057abcb0SAlexander Motin TAILQ_INIT(&conf->conf_pports); 100829603e2SAlexander Motin TAILQ_INIT(&conf->conf_isns); 101009ea47eSEdward Tomasz Napierala 102829603e2SAlexander Motin conf->conf_isns_period = 900; 103829603e2SAlexander Motin conf->conf_isns_timeout = 5; 104009ea47eSEdward Tomasz Napierala conf->conf_debug = 0; 105009ea47eSEdward Tomasz Napierala conf->conf_timeout = 60; 106009ea47eSEdward Tomasz Napierala conf->conf_maxproc = 30; 107009ea47eSEdward Tomasz Napierala 108009ea47eSEdward Tomasz Napierala return (conf); 109009ea47eSEdward Tomasz Napierala } 110009ea47eSEdward Tomasz Napierala 111009ea47eSEdward Tomasz Napierala void 112009ea47eSEdward Tomasz Napierala conf_delete(struct conf *conf) 113009ea47eSEdward Tomasz Napierala { 114920c6cbaSAlexander Motin struct lun *lun, *ltmp; 115009ea47eSEdward Tomasz Napierala struct target *targ, *tmp; 116009ea47eSEdward Tomasz Napierala struct auth_group *ag, *cagtmp; 117009ea47eSEdward Tomasz Napierala struct portal_group *pg, *cpgtmp; 118057abcb0SAlexander Motin struct pport *pp, *pptmp; 119829603e2SAlexander Motin struct isns *is, *istmp; 120009ea47eSEdward Tomasz Napierala 121009ea47eSEdward Tomasz Napierala assert(conf->conf_pidfh == NULL); 122009ea47eSEdward Tomasz Napierala 123920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(lun, &conf->conf_luns, l_next, ltmp) 124920c6cbaSAlexander Motin lun_delete(lun); 125009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(targ, &conf->conf_targets, t_next, tmp) 126009ea47eSEdward Tomasz Napierala target_delete(targ); 127009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(ag, &conf->conf_auth_groups, ag_next, cagtmp) 128009ea47eSEdward Tomasz Napierala auth_group_delete(ag); 129009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(pg, &conf->conf_portal_groups, pg_next, cpgtmp) 130009ea47eSEdward Tomasz Napierala portal_group_delete(pg); 131057abcb0SAlexander Motin TAILQ_FOREACH_SAFE(pp, &conf->conf_pports, pp_next, pptmp) 132057abcb0SAlexander Motin pport_delete(pp); 133829603e2SAlexander Motin TAILQ_FOREACH_SAFE(is, &conf->conf_isns, i_next, istmp) 134829603e2SAlexander Motin isns_delete(is); 13592847ee1SAlexander Motin assert(TAILQ_EMPTY(&conf->conf_ports)); 136009ea47eSEdward Tomasz Napierala free(conf->conf_pidfile_path); 137009ea47eSEdward Tomasz Napierala free(conf); 138009ea47eSEdward Tomasz Napierala } 139009ea47eSEdward Tomasz Napierala 140009ea47eSEdward Tomasz Napierala static struct auth * 141009ea47eSEdward Tomasz Napierala auth_new(struct auth_group *ag) 142009ea47eSEdward Tomasz Napierala { 143009ea47eSEdward Tomasz Napierala struct auth *auth; 144009ea47eSEdward Tomasz Napierala 145009ea47eSEdward Tomasz Napierala auth = calloc(1, sizeof(*auth)); 146009ea47eSEdward Tomasz Napierala if (auth == NULL) 147009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 148009ea47eSEdward Tomasz Napierala auth->a_auth_group = ag; 149009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_auths, auth, a_next); 150009ea47eSEdward Tomasz Napierala return (auth); 151009ea47eSEdward Tomasz Napierala } 152009ea47eSEdward Tomasz Napierala 153009ea47eSEdward Tomasz Napierala static void 154009ea47eSEdward Tomasz Napierala auth_delete(struct auth *auth) 155009ea47eSEdward Tomasz Napierala { 156009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&auth->a_auth_group->ag_auths, auth, a_next); 157009ea47eSEdward Tomasz Napierala 158009ea47eSEdward Tomasz Napierala free(auth->a_user); 159009ea47eSEdward Tomasz Napierala free(auth->a_secret); 160009ea47eSEdward Tomasz Napierala free(auth->a_mutual_user); 161009ea47eSEdward Tomasz Napierala free(auth->a_mutual_secret); 162009ea47eSEdward Tomasz Napierala free(auth); 163009ea47eSEdward Tomasz Napierala } 164009ea47eSEdward Tomasz Napierala 165009ea47eSEdward Tomasz Napierala const struct auth * 166d6093026SEdward Tomasz Napierala auth_find(const struct auth_group *ag, const char *user) 167009ea47eSEdward Tomasz Napierala { 168009ea47eSEdward Tomasz Napierala const struct auth *auth; 169009ea47eSEdward Tomasz Napierala 170009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) { 171009ea47eSEdward Tomasz Napierala if (strcmp(auth->a_user, user) == 0) 172009ea47eSEdward Tomasz Napierala return (auth); 173009ea47eSEdward Tomasz Napierala } 174009ea47eSEdward Tomasz Napierala 175009ea47eSEdward Tomasz Napierala return (NULL); 176009ea47eSEdward Tomasz Napierala } 177009ea47eSEdward Tomasz Napierala 1781658628dSEdward Tomasz Napierala static void 1791658628dSEdward Tomasz Napierala auth_check_secret_length(struct auth *auth) 1801658628dSEdward Tomasz Napierala { 1811658628dSEdward Tomasz Napierala size_t len; 1821658628dSEdward Tomasz Napierala 1831658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1841658628dSEdward Tomasz Napierala if (len > 16) { 1851658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1861658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1871658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1881658628dSEdward Tomasz Napierala "long", auth->a_user, auth->a_auth_group->ag_name); 1891658628dSEdward Tomasz Napierala else 1901658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1911658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1921658628dSEdward Tomasz Napierala "long", auth->a_user, 193f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1941658628dSEdward Tomasz Napierala } 1951658628dSEdward Tomasz Napierala if (len < 12) { 1961658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1971658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1981658628dSEdward Tomasz Napierala "is too short; it should be at least 12 characters " 1991658628dSEdward Tomasz Napierala "long", auth->a_user, 2001658628dSEdward Tomasz Napierala auth->a_auth_group->ag_name); 2011658628dSEdward Tomasz Napierala else 2021658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 20342f97facSAlexander Motin "is too short; it should be at least 12 characters " 2041658628dSEdward Tomasz Napierala "long", auth->a_user, 205f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2061658628dSEdward Tomasz Napierala } 2071658628dSEdward Tomasz Napierala 2081658628dSEdward Tomasz Napierala if (auth->a_mutual_secret != NULL) { 2097c924aaeSJosh Paetzel len = strlen(auth->a_mutual_secret); 2101658628dSEdward Tomasz Napierala if (len > 16) { 2111658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2121658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2131658628dSEdward Tomasz Napierala "auth-group \"%s\", is too long; it should " 2141658628dSEdward Tomasz Napierala "be at most 16 characters long", 2151658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2161658628dSEdward Tomasz Napierala else 2171658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2181658628dSEdward Tomasz Napierala "target \"%s\", is too long; it should " 2191658628dSEdward Tomasz Napierala "be at most 16 characters long", 2201658628dSEdward Tomasz Napierala auth->a_user, 221f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2221658628dSEdward Tomasz Napierala } 2231658628dSEdward Tomasz Napierala if (len < 12) { 2241658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2251658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2261658628dSEdward Tomasz Napierala "auth-group \"%s\", is too short; it " 2271658628dSEdward Tomasz Napierala "should be at least 12 characters long", 2281658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2291658628dSEdward Tomasz Napierala else 2301658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2311658628dSEdward Tomasz Napierala "target \"%s\", is too short; it should be " 2322668ec07SAlexander Motin "at least 12 characters long", 2331658628dSEdward Tomasz Napierala auth->a_user, 234f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2351658628dSEdward Tomasz Napierala } 2361658628dSEdward Tomasz Napierala } 2371658628dSEdward Tomasz Napierala } 2381658628dSEdward Tomasz Napierala 2391658628dSEdward Tomasz Napierala const struct auth * 2401658628dSEdward Tomasz Napierala auth_new_chap(struct auth_group *ag, const char *user, 2411658628dSEdward Tomasz Napierala const char *secret) 2421658628dSEdward Tomasz Napierala { 2431658628dSEdward Tomasz Napierala struct auth *auth; 2441658628dSEdward Tomasz Napierala 2451658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2461658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP; 2471658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP) { 2481658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2491658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2501658628dSEdward Tomasz Napierala "other types for auth-group \"%s\"", ag->ag_name); 2511658628dSEdward Tomasz Napierala else 2521658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2531658628dSEdward Tomasz Napierala "other types for target \"%s\"", 254f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2551658628dSEdward Tomasz Napierala return (NULL); 2561658628dSEdward Tomasz Napierala } 2571658628dSEdward Tomasz Napierala 2581658628dSEdward Tomasz Napierala auth = auth_new(ag); 2591658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2601658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2611658628dSEdward Tomasz Napierala 2621658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2631658628dSEdward Tomasz Napierala 2641658628dSEdward Tomasz Napierala return (auth); 2651658628dSEdward Tomasz Napierala } 2661658628dSEdward Tomasz Napierala 2671658628dSEdward Tomasz Napierala const struct auth * 2681658628dSEdward Tomasz Napierala auth_new_chap_mutual(struct auth_group *ag, const char *user, 2691658628dSEdward Tomasz Napierala const char *secret, const char *user2, const char *secret2) 2701658628dSEdward Tomasz Napierala { 2711658628dSEdward Tomasz Napierala struct auth *auth; 2721658628dSEdward Tomasz Napierala 2731658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2741658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP_MUTUAL; 2751658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP_MUTUAL) { 2761658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2771658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2781658628dSEdward Tomasz Napierala "with other types for auth-group \"%s\"", 2791658628dSEdward Tomasz Napierala ag->ag_name); 2801658628dSEdward Tomasz Napierala else 2811658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2821658628dSEdward Tomasz Napierala "with other types for target \"%s\"", 283f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2841658628dSEdward Tomasz Napierala return (NULL); 2851658628dSEdward Tomasz Napierala } 2861658628dSEdward Tomasz Napierala 2871658628dSEdward Tomasz Napierala auth = auth_new(ag); 2881658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2891658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2901658628dSEdward Tomasz Napierala auth->a_mutual_user = checked_strdup(user2); 2911658628dSEdward Tomasz Napierala auth->a_mutual_secret = checked_strdup(secret2); 2921658628dSEdward Tomasz Napierala 2931658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2941658628dSEdward Tomasz Napierala 2951658628dSEdward Tomasz Napierala return (auth); 2961658628dSEdward Tomasz Napierala } 2971658628dSEdward Tomasz Napierala 2988cb2e958SEdward Tomasz Napierala const struct auth_name * 2998cb2e958SEdward Tomasz Napierala auth_name_new(struct auth_group *ag, const char *name) 3008cb2e958SEdward Tomasz Napierala { 3018cb2e958SEdward Tomasz Napierala struct auth_name *an; 3028cb2e958SEdward Tomasz Napierala 3038cb2e958SEdward Tomasz Napierala an = calloc(1, sizeof(*an)); 3048cb2e958SEdward Tomasz Napierala if (an == NULL) 3058cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3068cb2e958SEdward Tomasz Napierala an->an_auth_group = ag; 307bdbc2a6fSAlexander Motin an->an_initiator_name = checked_strdup(name); 3088cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_names, an, an_next); 3098cb2e958SEdward Tomasz Napierala return (an); 3108cb2e958SEdward Tomasz Napierala } 3118cb2e958SEdward Tomasz Napierala 3128cb2e958SEdward Tomasz Napierala static void 3138cb2e958SEdward Tomasz Napierala auth_name_delete(struct auth_name *an) 3148cb2e958SEdward Tomasz Napierala { 3158cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&an->an_auth_group->ag_names, an, an_next); 3168cb2e958SEdward Tomasz Napierala 317bdbc2a6fSAlexander Motin free(an->an_initiator_name); 3188cb2e958SEdward Tomasz Napierala free(an); 3198cb2e958SEdward Tomasz Napierala } 3208cb2e958SEdward Tomasz Napierala 3218cb2e958SEdward Tomasz Napierala bool 3228cb2e958SEdward Tomasz Napierala auth_name_defined(const struct auth_group *ag) 3238cb2e958SEdward Tomasz Napierala { 3248cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_names)) 3258cb2e958SEdward Tomasz Napierala return (false); 3268cb2e958SEdward Tomasz Napierala return (true); 3278cb2e958SEdward Tomasz Napierala } 3288cb2e958SEdward Tomasz Napierala 3298cb2e958SEdward Tomasz Napierala const struct auth_name * 3308cb2e958SEdward Tomasz Napierala auth_name_find(const struct auth_group *ag, const char *name) 3318cb2e958SEdward Tomasz Napierala { 3328cb2e958SEdward Tomasz Napierala const struct auth_name *auth_name; 3338cb2e958SEdward Tomasz Napierala 3348cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) { 335bdbc2a6fSAlexander Motin if (strcmp(auth_name->an_initiator_name, name) == 0) 3368cb2e958SEdward Tomasz Napierala return (auth_name); 3378cb2e958SEdward Tomasz Napierala } 3388cb2e958SEdward Tomasz Napierala 3398cb2e958SEdward Tomasz Napierala return (NULL); 3408cb2e958SEdward Tomasz Napierala } 3418cb2e958SEdward Tomasz Napierala 342e867e162SEdward Tomasz Napierala int 343e867e162SEdward Tomasz Napierala auth_name_check(const struct auth_group *ag, const char *initiator_name) 344e867e162SEdward Tomasz Napierala { 345e867e162SEdward Tomasz Napierala if (!auth_name_defined(ag)) 346e867e162SEdward Tomasz Napierala return (0); 347e867e162SEdward Tomasz Napierala 348e867e162SEdward Tomasz Napierala if (auth_name_find(ag, initiator_name) == NULL) 349e867e162SEdward Tomasz Napierala return (1); 350e867e162SEdward Tomasz Napierala 351e867e162SEdward Tomasz Napierala return (0); 352e867e162SEdward Tomasz Napierala } 353e867e162SEdward Tomasz Napierala 3548cb2e958SEdward Tomasz Napierala const struct auth_portal * 3558cb2e958SEdward Tomasz Napierala auth_portal_new(struct auth_group *ag, const char *portal) 3568cb2e958SEdward Tomasz Napierala { 3578cb2e958SEdward Tomasz Napierala struct auth_portal *ap; 358073edb1cSAlexander Motin char *net, *mask, *str, *tmp; 359073edb1cSAlexander Motin int len, dm, m; 3608cb2e958SEdward Tomasz Napierala 3618cb2e958SEdward Tomasz Napierala ap = calloc(1, sizeof(*ap)); 3628cb2e958SEdward Tomasz Napierala if (ap == NULL) 3638cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3648cb2e958SEdward Tomasz Napierala ap->ap_auth_group = ag; 365a3434cdcSAlexander Motin ap->ap_initiator_portal = checked_strdup(portal); 366073edb1cSAlexander Motin mask = str = checked_strdup(portal); 367073edb1cSAlexander Motin net = strsep(&mask, "/"); 368073edb1cSAlexander Motin if (net[0] == '[') 369073edb1cSAlexander Motin net++; 370073edb1cSAlexander Motin len = strlen(net); 371073edb1cSAlexander Motin if (len == 0) 372073edb1cSAlexander Motin goto error; 373073edb1cSAlexander Motin if (net[len - 1] == ']') 374073edb1cSAlexander Motin net[len - 1] = 0; 375073edb1cSAlexander Motin if (strchr(net, ':') != NULL) { 376073edb1cSAlexander Motin struct sockaddr_in6 *sin6 = 377073edb1cSAlexander Motin (struct sockaddr_in6 *)&ap->ap_sa; 378073edb1cSAlexander Motin 379073edb1cSAlexander Motin sin6->sin6_len = sizeof(*sin6); 380073edb1cSAlexander Motin sin6->sin6_family = AF_INET6; 381073edb1cSAlexander Motin if (inet_pton(AF_INET6, net, &sin6->sin6_addr) <= 0) 382073edb1cSAlexander Motin goto error; 383073edb1cSAlexander Motin dm = 128; 384073edb1cSAlexander Motin } else { 385073edb1cSAlexander Motin struct sockaddr_in *sin = 386073edb1cSAlexander Motin (struct sockaddr_in *)&ap->ap_sa; 387073edb1cSAlexander Motin 388073edb1cSAlexander Motin sin->sin_len = sizeof(*sin); 389073edb1cSAlexander Motin sin->sin_family = AF_INET; 390073edb1cSAlexander Motin if (inet_pton(AF_INET, net, &sin->sin_addr) <= 0) 391073edb1cSAlexander Motin goto error; 392073edb1cSAlexander Motin dm = 32; 393073edb1cSAlexander Motin } 394073edb1cSAlexander Motin if (mask != NULL) { 395073edb1cSAlexander Motin m = strtol(mask, &tmp, 0); 396073edb1cSAlexander Motin if (m < 0 || m > dm || tmp[0] != 0) 397073edb1cSAlexander Motin goto error; 398073edb1cSAlexander Motin } else 399073edb1cSAlexander Motin m = dm; 400073edb1cSAlexander Motin ap->ap_mask = m; 401073edb1cSAlexander Motin free(str); 4028cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_portals, ap, ap_next); 4038cb2e958SEdward Tomasz Napierala return (ap); 404073edb1cSAlexander Motin 405073edb1cSAlexander Motin error: 4069a913ec2SXin LI free(str); 407678b6879SAlexander Motin free(ap); 408f9a20518SEdward Tomasz Napierala log_warnx("incorrect initiator portal \"%s\"", portal); 409073edb1cSAlexander Motin return (NULL); 4108cb2e958SEdward Tomasz Napierala } 4118cb2e958SEdward Tomasz Napierala 4128cb2e958SEdward Tomasz Napierala static void 4138cb2e958SEdward Tomasz Napierala auth_portal_delete(struct auth_portal *ap) 4148cb2e958SEdward Tomasz Napierala { 4158cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&ap->ap_auth_group->ag_portals, ap, ap_next); 4168cb2e958SEdward Tomasz Napierala 417a3434cdcSAlexander Motin free(ap->ap_initiator_portal); 4188cb2e958SEdward Tomasz Napierala free(ap); 4198cb2e958SEdward Tomasz Napierala } 4208cb2e958SEdward Tomasz Napierala 4218cb2e958SEdward Tomasz Napierala bool 4228cb2e958SEdward Tomasz Napierala auth_portal_defined(const struct auth_group *ag) 4238cb2e958SEdward Tomasz Napierala { 4248cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_portals)) 4258cb2e958SEdward Tomasz Napierala return (false); 4268cb2e958SEdward Tomasz Napierala return (true); 4278cb2e958SEdward Tomasz Napierala } 4288cb2e958SEdward Tomasz Napierala 4298cb2e958SEdward Tomasz Napierala const struct auth_portal * 430073edb1cSAlexander Motin auth_portal_find(const struct auth_group *ag, const struct sockaddr_storage *ss) 4318cb2e958SEdward Tomasz Napierala { 432073edb1cSAlexander Motin const struct auth_portal *ap; 4335e46a066SAlexander Motin const uint8_t *a, *b; 434073edb1cSAlexander Motin int i; 4355e46a066SAlexander Motin uint8_t bmask; 4368cb2e958SEdward Tomasz Napierala 437073edb1cSAlexander Motin TAILQ_FOREACH(ap, &ag->ag_portals, ap_next) { 438073edb1cSAlexander Motin if (ap->ap_sa.ss_family != ss->ss_family) 439073edb1cSAlexander Motin continue; 440073edb1cSAlexander Motin if (ss->ss_family == AF_INET) { 4415e46a066SAlexander Motin a = (const uint8_t *) 4425e46a066SAlexander Motin &((const struct sockaddr_in *)ss)->sin_addr; 4435e46a066SAlexander Motin b = (const uint8_t *) 4445e46a066SAlexander Motin &((const struct sockaddr_in *)&ap->ap_sa)->sin_addr; 445073edb1cSAlexander Motin } else { 4465e46a066SAlexander Motin a = (const uint8_t *) 4475e46a066SAlexander Motin &((const struct sockaddr_in6 *)ss)->sin6_addr; 4485e46a066SAlexander Motin b = (const uint8_t *) 4495e46a066SAlexander Motin &((const struct sockaddr_in6 *)&ap->ap_sa)->sin6_addr; 450073edb1cSAlexander Motin } 451073edb1cSAlexander Motin for (i = 0; i < ap->ap_mask / 8; i++) { 452073edb1cSAlexander Motin if (a[i] != b[i]) 453073edb1cSAlexander Motin goto next; 454073edb1cSAlexander Motin } 455073edb1cSAlexander Motin if (ap->ap_mask % 8) { 456073edb1cSAlexander Motin bmask = 0xff << (8 - (ap->ap_mask % 8)); 457073edb1cSAlexander Motin if ((a[i] & bmask) != (b[i] & bmask)) 458073edb1cSAlexander Motin goto next; 459073edb1cSAlexander Motin } 460073edb1cSAlexander Motin return (ap); 461073edb1cSAlexander Motin next: 462073edb1cSAlexander Motin ; 4638cb2e958SEdward Tomasz Napierala } 4648cb2e958SEdward Tomasz Napierala 4658cb2e958SEdward Tomasz Napierala return (NULL); 4668cb2e958SEdward Tomasz Napierala } 4678cb2e958SEdward Tomasz Napierala 468e867e162SEdward Tomasz Napierala int 469e867e162SEdward Tomasz Napierala auth_portal_check(const struct auth_group *ag, const struct sockaddr_storage *sa) 470e867e162SEdward Tomasz Napierala { 471e867e162SEdward Tomasz Napierala 472e867e162SEdward Tomasz Napierala if (!auth_portal_defined(ag)) 473e867e162SEdward Tomasz Napierala return (0); 474e867e162SEdward Tomasz Napierala 475e867e162SEdward Tomasz Napierala if (auth_portal_find(ag, sa) == NULL) 476e867e162SEdward Tomasz Napierala return (1); 477e867e162SEdward Tomasz Napierala 478e867e162SEdward Tomasz Napierala return (0); 479e867e162SEdward Tomasz Napierala } 480e867e162SEdward Tomasz Napierala 481009ea47eSEdward Tomasz Napierala struct auth_group * 482009ea47eSEdward Tomasz Napierala auth_group_new(struct conf *conf, const char *name) 483009ea47eSEdward Tomasz Napierala { 484009ea47eSEdward Tomasz Napierala struct auth_group *ag; 485009ea47eSEdward Tomasz Napierala 486009ea47eSEdward Tomasz Napierala if (name != NULL) { 487009ea47eSEdward Tomasz Napierala ag = auth_group_find(conf, name); 488009ea47eSEdward Tomasz Napierala if (ag != NULL) { 489009ea47eSEdward Tomasz Napierala log_warnx("duplicated auth-group \"%s\"", name); 490009ea47eSEdward Tomasz Napierala return (NULL); 491009ea47eSEdward Tomasz Napierala } 492009ea47eSEdward Tomasz Napierala } 493009ea47eSEdward Tomasz Napierala 494009ea47eSEdward Tomasz Napierala ag = calloc(1, sizeof(*ag)); 495009ea47eSEdward Tomasz Napierala if (ag == NULL) 496009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 497009ea47eSEdward Tomasz Napierala if (name != NULL) 498009ea47eSEdward Tomasz Napierala ag->ag_name = checked_strdup(name); 499009ea47eSEdward Tomasz Napierala TAILQ_INIT(&ag->ag_auths); 5008cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_names); 5018cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_portals); 502009ea47eSEdward Tomasz Napierala ag->ag_conf = conf; 503009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_auth_groups, ag, ag_next); 504009ea47eSEdward Tomasz Napierala 505009ea47eSEdward Tomasz Napierala return (ag); 506009ea47eSEdward Tomasz Napierala } 507009ea47eSEdward Tomasz Napierala 508009ea47eSEdward Tomasz Napierala void 509009ea47eSEdward Tomasz Napierala auth_group_delete(struct auth_group *ag) 510009ea47eSEdward Tomasz Napierala { 5118cb2e958SEdward Tomasz Napierala struct auth *auth, *auth_tmp; 5128cb2e958SEdward Tomasz Napierala struct auth_name *auth_name, *auth_name_tmp; 5138cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal, *auth_portal_tmp; 514009ea47eSEdward Tomasz Napierala 515009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&ag->ag_conf->conf_auth_groups, ag, ag_next); 516009ea47eSEdward Tomasz Napierala 5178cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth, &ag->ag_auths, a_next, auth_tmp) 518009ea47eSEdward Tomasz Napierala auth_delete(auth); 5198cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_name, &ag->ag_names, an_next, auth_name_tmp) 5208cb2e958SEdward Tomasz Napierala auth_name_delete(auth_name); 5218cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_portal, &ag->ag_portals, ap_next, 5228cb2e958SEdward Tomasz Napierala auth_portal_tmp) 5238cb2e958SEdward Tomasz Napierala auth_portal_delete(auth_portal); 524009ea47eSEdward Tomasz Napierala free(ag->ag_name); 525009ea47eSEdward Tomasz Napierala free(ag); 526009ea47eSEdward Tomasz Napierala } 527009ea47eSEdward Tomasz Napierala 528009ea47eSEdward Tomasz Napierala struct auth_group * 529d6093026SEdward Tomasz Napierala auth_group_find(const struct conf *conf, const char *name) 530009ea47eSEdward Tomasz Napierala { 531009ea47eSEdward Tomasz Napierala struct auth_group *ag; 532009ea47eSEdward Tomasz Napierala 533009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 534009ea47eSEdward Tomasz Napierala if (ag->ag_name != NULL && strcmp(ag->ag_name, name) == 0) 535009ea47eSEdward Tomasz Napierala return (ag); 536009ea47eSEdward Tomasz Napierala } 537009ea47eSEdward Tomasz Napierala 538009ea47eSEdward Tomasz Napierala return (NULL); 539009ea47eSEdward Tomasz Napierala } 540009ea47eSEdward Tomasz Napierala 541df9900fbSEdward Tomasz Napierala int 542bd833b11SEdward Tomasz Napierala auth_group_set_type(struct auth_group *ag, const char *str) 543df9900fbSEdward Tomasz Napierala { 544bd833b11SEdward Tomasz Napierala int type; 545df9900fbSEdward Tomasz Napierala 546df9900fbSEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 547df9900fbSEdward Tomasz Napierala type = AG_TYPE_NO_AUTHENTICATION; 548e76ce448SEdward Tomasz Napierala } else if (strcmp(str, "deny") == 0) { 549e76ce448SEdward Tomasz Napierala type = AG_TYPE_DENY; 550df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap") == 0) { 551df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP; 552df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap-mutual") == 0) { 553df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP_MUTUAL; 554df9900fbSEdward Tomasz Napierala } else { 555df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 556df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for auth-group " 557df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_name); 558df9900fbSEdward Tomasz Napierala else 559df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for target " 560df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_target->t_name); 561df9900fbSEdward Tomasz Napierala return (1); 562df9900fbSEdward Tomasz Napierala } 563df9900fbSEdward Tomasz Napierala 564bd833b11SEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_UNKNOWN && ag->ag_type != type) { 565bd833b11SEdward Tomasz Napierala if (ag->ag_name != NULL) { 566df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for " 567df9900fbSEdward Tomasz Napierala "auth-group \"%s\"; already has a different " 568df9900fbSEdward Tomasz Napierala "type", str, ag->ag_name); 569bd833b11SEdward Tomasz Napierala } else { 570df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for target " 571df9900fbSEdward Tomasz Napierala "\"%s\"; already has a different type", 572df9900fbSEdward Tomasz Napierala str, ag->ag_target->t_name); 573bd833b11SEdward Tomasz Napierala } 574df9900fbSEdward Tomasz Napierala return (1); 575df9900fbSEdward Tomasz Napierala } 576df9900fbSEdward Tomasz Napierala 577bd833b11SEdward Tomasz Napierala ag->ag_type = type; 578bd833b11SEdward Tomasz Napierala 579bd833b11SEdward Tomasz Napierala return (0); 580df9900fbSEdward Tomasz Napierala } 581df9900fbSEdward Tomasz Napierala 582009ea47eSEdward Tomasz Napierala static struct portal * 583009ea47eSEdward Tomasz Napierala portal_new(struct portal_group *pg) 584009ea47eSEdward Tomasz Napierala { 585009ea47eSEdward Tomasz Napierala struct portal *portal; 586009ea47eSEdward Tomasz Napierala 587009ea47eSEdward Tomasz Napierala portal = calloc(1, sizeof(*portal)); 588009ea47eSEdward Tomasz Napierala if (portal == NULL) 589009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 590009ea47eSEdward Tomasz Napierala TAILQ_INIT(&portal->p_targets); 591009ea47eSEdward Tomasz Napierala portal->p_portal_group = pg; 592009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&pg->pg_portals, portal, p_next); 593009ea47eSEdward Tomasz Napierala return (portal); 594009ea47eSEdward Tomasz Napierala } 595009ea47eSEdward Tomasz Napierala 596009ea47eSEdward Tomasz Napierala static void 597009ea47eSEdward Tomasz Napierala portal_delete(struct portal *portal) 598009ea47eSEdward Tomasz Napierala { 59944a5953aSEdward Tomasz Napierala 600009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&portal->p_portal_group->pg_portals, portal, p_next); 60144a5953aSEdward Tomasz Napierala if (portal->p_ai != NULL) 602009ea47eSEdward Tomasz Napierala freeaddrinfo(portal->p_ai); 603009ea47eSEdward Tomasz Napierala free(portal->p_listen); 604009ea47eSEdward Tomasz Napierala free(portal); 605009ea47eSEdward Tomasz Napierala } 606009ea47eSEdward Tomasz Napierala 607009ea47eSEdward Tomasz Napierala struct portal_group * 608009ea47eSEdward Tomasz Napierala portal_group_new(struct conf *conf, const char *name) 609009ea47eSEdward Tomasz Napierala { 610009ea47eSEdward Tomasz Napierala struct portal_group *pg; 611009ea47eSEdward Tomasz Napierala 612009ea47eSEdward Tomasz Napierala pg = portal_group_find(conf, name); 613009ea47eSEdward Tomasz Napierala if (pg != NULL) { 614009ea47eSEdward Tomasz Napierala log_warnx("duplicated portal-group \"%s\"", name); 615009ea47eSEdward Tomasz Napierala return (NULL); 616009ea47eSEdward Tomasz Napierala } 617009ea47eSEdward Tomasz Napierala 618009ea47eSEdward Tomasz Napierala pg = calloc(1, sizeof(*pg)); 619009ea47eSEdward Tomasz Napierala if (pg == NULL) 620009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 621009ea47eSEdward Tomasz Napierala pg->pg_name = checked_strdup(name); 622398290f2SAlexander Motin TAILQ_INIT(&pg->pg_options); 623009ea47eSEdward Tomasz Napierala TAILQ_INIT(&pg->pg_portals); 62492847ee1SAlexander Motin TAILQ_INIT(&pg->pg_ports); 625009ea47eSEdward Tomasz Napierala pg->pg_conf = conf; 6266b31e130SAlexander Motin pg->pg_tag = 0; /* Assigned later in conf_apply(). */ 62764ffe6d4SRichard Scheffenegger pg->pg_dscp = -1; 628ea8f1280SRichard Scheffenegger pg->pg_pcp = -1; 629009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_portal_groups, pg, pg_next); 630009ea47eSEdward Tomasz Napierala 631009ea47eSEdward Tomasz Napierala return (pg); 632009ea47eSEdward Tomasz Napierala } 633009ea47eSEdward Tomasz Napierala 634009ea47eSEdward Tomasz Napierala void 635009ea47eSEdward Tomasz Napierala portal_group_delete(struct portal_group *pg) 636009ea47eSEdward Tomasz Napierala { 637009ea47eSEdward Tomasz Napierala struct portal *portal, *tmp; 63892847ee1SAlexander Motin struct port *port, *tport; 639398290f2SAlexander Motin struct option *o, *otmp; 640009ea47eSEdward Tomasz Napierala 64192847ee1SAlexander Motin TAILQ_FOREACH_SAFE(port, &pg->pg_ports, p_pgs, tport) 64292847ee1SAlexander Motin port_delete(port); 643009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&pg->pg_conf->conf_portal_groups, pg, pg_next); 644009ea47eSEdward Tomasz Napierala 645009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(portal, &pg->pg_portals, p_next, tmp) 646009ea47eSEdward Tomasz Napierala portal_delete(portal); 647398290f2SAlexander Motin TAILQ_FOREACH_SAFE(o, &pg->pg_options, o_next, otmp) 648398290f2SAlexander Motin option_delete(&pg->pg_options, o); 649009ea47eSEdward Tomasz Napierala free(pg->pg_name); 650a9d78210SEdward Tomasz Napierala free(pg->pg_offload); 6516dbdbf82SEdward Tomasz Napierala free(pg->pg_redirection); 652009ea47eSEdward Tomasz Napierala free(pg); 653009ea47eSEdward Tomasz Napierala } 654009ea47eSEdward Tomasz Napierala 655009ea47eSEdward Tomasz Napierala struct portal_group * 656d6093026SEdward Tomasz Napierala portal_group_find(const struct conf *conf, const char *name) 657009ea47eSEdward Tomasz Napierala { 658009ea47eSEdward Tomasz Napierala struct portal_group *pg; 659009ea47eSEdward Tomasz Napierala 660009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 661009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, name) == 0) 662009ea47eSEdward Tomasz Napierala return (pg); 663009ea47eSEdward Tomasz Napierala } 664009ea47eSEdward Tomasz Napierala 665009ea47eSEdward Tomasz Napierala return (NULL); 666009ea47eSEdward Tomasz Napierala } 667009ea47eSEdward Tomasz Napierala 668829603e2SAlexander Motin static int 669829603e2SAlexander Motin parse_addr_port(char *arg, const char *def_port, struct addrinfo **ai) 670009ea47eSEdward Tomasz Napierala { 671009ea47eSEdward Tomasz Napierala struct addrinfo hints; 6721606ad8cSAlexander Motin char *str, *addr, *ch; 673009ea47eSEdward Tomasz Napierala const char *port; 674009ea47eSEdward Tomasz Napierala int error, colons = 0; 675009ea47eSEdward Tomasz Napierala 6761606ad8cSAlexander Motin str = arg = strdup(arg); 677009ea47eSEdward Tomasz Napierala if (arg[0] == '[') { 678009ea47eSEdward Tomasz Napierala /* 679009ea47eSEdward Tomasz Napierala * IPv6 address in square brackets, perhaps with port. 680009ea47eSEdward Tomasz Napierala */ 681009ea47eSEdward Tomasz Napierala arg++; 682009ea47eSEdward Tomasz Napierala addr = strsep(&arg, "]"); 683203632f2SXin LI if (arg == NULL) { 684203632f2SXin LI free(str); 685009ea47eSEdward Tomasz Napierala return (1); 686203632f2SXin LI } 687009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 688829603e2SAlexander Motin port = def_port; 689009ea47eSEdward Tomasz Napierala } else if (arg[0] == ':') { 690009ea47eSEdward Tomasz Napierala port = arg + 1; 6911606ad8cSAlexander Motin } else { 6921606ad8cSAlexander Motin free(str); 693009ea47eSEdward Tomasz Napierala return (1); 6941606ad8cSAlexander Motin } 695009ea47eSEdward Tomasz Napierala } else { 696009ea47eSEdward Tomasz Napierala /* 697009ea47eSEdward Tomasz Napierala * Either IPv6 address without brackets - and without 698009ea47eSEdward Tomasz Napierala * a port - or IPv4 address. Just count the colons. 699009ea47eSEdward Tomasz Napierala */ 700009ea47eSEdward Tomasz Napierala for (ch = arg; *ch != '\0'; ch++) { 701009ea47eSEdward Tomasz Napierala if (*ch == ':') 702009ea47eSEdward Tomasz Napierala colons++; 703009ea47eSEdward Tomasz Napierala } 704009ea47eSEdward Tomasz Napierala if (colons > 1) { 705009ea47eSEdward Tomasz Napierala addr = arg; 706829603e2SAlexander Motin port = def_port; 707009ea47eSEdward Tomasz Napierala } else { 708009ea47eSEdward Tomasz Napierala addr = strsep(&arg, ":"); 709009ea47eSEdward Tomasz Napierala if (arg == NULL) 710829603e2SAlexander Motin port = def_port; 711009ea47eSEdward Tomasz Napierala else 712009ea47eSEdward Tomasz Napierala port = arg; 713009ea47eSEdward Tomasz Napierala } 714009ea47eSEdward Tomasz Napierala } 715009ea47eSEdward Tomasz Napierala 716009ea47eSEdward Tomasz Napierala memset(&hints, 0, sizeof(hints)); 717009ea47eSEdward Tomasz Napierala hints.ai_family = PF_UNSPEC; 718009ea47eSEdward Tomasz Napierala hints.ai_socktype = SOCK_STREAM; 719009ea47eSEdward Tomasz Napierala hints.ai_flags = AI_PASSIVE; 720829603e2SAlexander Motin error = getaddrinfo(addr, port, &hints, ai); 7211606ad8cSAlexander Motin free(str); 7221606ad8cSAlexander Motin return ((error != 0) ? 1 : 0); 723829603e2SAlexander Motin } 724009ea47eSEdward Tomasz Napierala 725829603e2SAlexander Motin int 726829603e2SAlexander Motin portal_group_add_listen(struct portal_group *pg, const char *value, bool iser) 727829603e2SAlexander Motin { 728829603e2SAlexander Motin struct portal *portal; 729829603e2SAlexander Motin 730829603e2SAlexander Motin portal = portal_new(pg); 731829603e2SAlexander Motin portal->p_listen = checked_strdup(value); 732829603e2SAlexander Motin portal->p_iser = iser; 733829603e2SAlexander Motin 734829603e2SAlexander Motin if (parse_addr_port(portal->p_listen, "3260", &portal->p_ai)) { 735829603e2SAlexander Motin log_warnx("invalid listen address %s", portal->p_listen); 73644a5953aSEdward Tomasz Napierala portal_delete(portal); 737009ea47eSEdward Tomasz Napierala return (1); 738009ea47eSEdward Tomasz Napierala } 739009ea47eSEdward Tomasz Napierala 740009ea47eSEdward Tomasz Napierala /* 741009ea47eSEdward Tomasz Napierala * XXX: getaddrinfo(3) may return multiple addresses; we should turn 742009ea47eSEdward Tomasz Napierala * those into multiple portals. 743009ea47eSEdward Tomasz Napierala */ 744009ea47eSEdward Tomasz Napierala 745009ea47eSEdward Tomasz Napierala return (0); 746009ea47eSEdward Tomasz Napierala } 747009ea47eSEdward Tomasz Napierala 748829603e2SAlexander Motin int 749829603e2SAlexander Motin isns_new(struct conf *conf, const char *addr) 750829603e2SAlexander Motin { 751829603e2SAlexander Motin struct isns *isns; 752829603e2SAlexander Motin 753829603e2SAlexander Motin isns = calloc(1, sizeof(*isns)); 754829603e2SAlexander Motin if (isns == NULL) 755829603e2SAlexander Motin log_err(1, "calloc"); 756829603e2SAlexander Motin isns->i_conf = conf; 757829603e2SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_isns, isns, i_next); 758829603e2SAlexander Motin isns->i_addr = checked_strdup(addr); 759829603e2SAlexander Motin 760829603e2SAlexander Motin if (parse_addr_port(isns->i_addr, "3205", &isns->i_ai)) { 761829603e2SAlexander Motin log_warnx("invalid iSNS address %s", isns->i_addr); 762829603e2SAlexander Motin isns_delete(isns); 763829603e2SAlexander Motin return (1); 764829603e2SAlexander Motin } 765829603e2SAlexander Motin 766829603e2SAlexander Motin /* 767829603e2SAlexander Motin * XXX: getaddrinfo(3) may return multiple addresses; we should turn 768829603e2SAlexander Motin * those into multiple servers. 769829603e2SAlexander Motin */ 770829603e2SAlexander Motin 771829603e2SAlexander Motin return (0); 772829603e2SAlexander Motin } 773829603e2SAlexander Motin 774829603e2SAlexander Motin void 775829603e2SAlexander Motin isns_delete(struct isns *isns) 776829603e2SAlexander Motin { 777829603e2SAlexander Motin 778829603e2SAlexander Motin TAILQ_REMOVE(&isns->i_conf->conf_isns, isns, i_next); 779829603e2SAlexander Motin free(isns->i_addr); 780829603e2SAlexander Motin if (isns->i_ai != NULL) 781829603e2SAlexander Motin freeaddrinfo(isns->i_ai); 782829603e2SAlexander Motin free(isns); 783829603e2SAlexander Motin } 784829603e2SAlexander Motin 785829603e2SAlexander Motin static int 786829603e2SAlexander Motin isns_do_connect(struct isns *isns) 787829603e2SAlexander Motin { 788829603e2SAlexander Motin int s; 789829603e2SAlexander Motin 790829603e2SAlexander Motin s = socket(isns->i_ai->ai_family, isns->i_ai->ai_socktype, 791829603e2SAlexander Motin isns->i_ai->ai_protocol); 792829603e2SAlexander Motin if (s < 0) { 793829603e2SAlexander Motin log_warn("socket(2) failed for %s", isns->i_addr); 794829603e2SAlexander Motin return (-1); 795829603e2SAlexander Motin } 796829603e2SAlexander Motin if (connect(s, isns->i_ai->ai_addr, isns->i_ai->ai_addrlen)) { 797829603e2SAlexander Motin log_warn("connect(2) failed for %s", isns->i_addr); 798829603e2SAlexander Motin close(s); 799829603e2SAlexander Motin return (-1); 800829603e2SAlexander Motin } 801829603e2SAlexander Motin return(s); 802829603e2SAlexander Motin } 803829603e2SAlexander Motin 804829603e2SAlexander Motin static int 805829603e2SAlexander Motin isns_do_register(struct isns *isns, int s, const char *hostname) 806829603e2SAlexander Motin { 807829603e2SAlexander Motin struct conf *conf = isns->i_conf; 808829603e2SAlexander Motin struct target *target; 809829603e2SAlexander Motin struct portal *portal; 810829603e2SAlexander Motin struct portal_group *pg; 81192847ee1SAlexander Motin struct port *port; 812829603e2SAlexander Motin struct isns_req *req; 813829603e2SAlexander Motin int res = 0; 814829603e2SAlexander Motin uint32_t error; 815829603e2SAlexander Motin 816829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRREG, ISNS_FLAG_CLIENT); 817829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 818829603e2SAlexander Motin isns_req_add_delim(req); 819829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 820829603e2SAlexander Motin isns_req_add_32(req, 2, 2); /* 2 -- iSCSI */ 821829603e2SAlexander Motin isns_req_add_32(req, 6, conf->conf_isns_period); 822829603e2SAlexander Motin TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 823829603e2SAlexander Motin if (pg->pg_unassigned) 824829603e2SAlexander Motin continue; 825829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 826829603e2SAlexander Motin isns_req_add_addr(req, 16, portal->p_ai); 827829603e2SAlexander Motin isns_req_add_port(req, 17, portal->p_ai); 828829603e2SAlexander Motin } 829829603e2SAlexander Motin } 830829603e2SAlexander Motin TAILQ_FOREACH(target, &conf->conf_targets, t_next) { 831829603e2SAlexander Motin isns_req_add_str(req, 32, target->t_name); 832829603e2SAlexander Motin isns_req_add_32(req, 33, 1); /* 1 -- Target*/ 833829603e2SAlexander Motin if (target->t_alias != NULL) 834829603e2SAlexander Motin isns_req_add_str(req, 34, target->t_alias); 83592847ee1SAlexander Motin TAILQ_FOREACH(port, &target->t_ports, p_ts) { 83692847ee1SAlexander Motin if ((pg = port->p_portal_group) == NULL) 83792847ee1SAlexander Motin continue; 838829603e2SAlexander Motin isns_req_add_32(req, 51, pg->pg_tag); 839829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 840829603e2SAlexander Motin isns_req_add_addr(req, 49, portal->p_ai); 841829603e2SAlexander Motin isns_req_add_port(req, 50, portal->p_ai); 842829603e2SAlexander Motin } 843829603e2SAlexander Motin } 84492847ee1SAlexander Motin } 845829603e2SAlexander Motin res = isns_req_send(s, req); 846829603e2SAlexander Motin if (res < 0) { 847829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 848829603e2SAlexander Motin goto quit; 849829603e2SAlexander Motin } 850829603e2SAlexander Motin res = isns_req_receive(s, req); 851829603e2SAlexander Motin if (res < 0) { 852829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 853829603e2SAlexander Motin goto quit; 854829603e2SAlexander Motin } 855829603e2SAlexander Motin error = isns_req_get_status(req); 856829603e2SAlexander Motin if (error != 0) { 857829603e2SAlexander Motin log_warnx("iSNS register error %d for %s", error, isns->i_addr); 858829603e2SAlexander Motin res = -1; 859829603e2SAlexander Motin } 860829603e2SAlexander Motin quit: 861829603e2SAlexander Motin isns_req_free(req); 862829603e2SAlexander Motin return (res); 863829603e2SAlexander Motin } 864829603e2SAlexander Motin 865829603e2SAlexander Motin static int 866829603e2SAlexander Motin isns_do_check(struct isns *isns, int s, const char *hostname) 867829603e2SAlexander Motin { 868829603e2SAlexander Motin struct conf *conf = isns->i_conf; 869829603e2SAlexander Motin struct isns_req *req; 870829603e2SAlexander Motin int res = 0; 871829603e2SAlexander Motin uint32_t error; 872829603e2SAlexander Motin 873829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRQRY, ISNS_FLAG_CLIENT); 874829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 875829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 876829603e2SAlexander Motin isns_req_add_delim(req); 877829603e2SAlexander Motin isns_req_add(req, 2, 0, NULL); 878829603e2SAlexander Motin res = isns_req_send(s, req); 879829603e2SAlexander Motin if (res < 0) { 880829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 881829603e2SAlexander Motin goto quit; 882829603e2SAlexander Motin } 883829603e2SAlexander Motin res = isns_req_receive(s, req); 884829603e2SAlexander Motin if (res < 0) { 885829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 886829603e2SAlexander Motin goto quit; 887829603e2SAlexander Motin } 888829603e2SAlexander Motin error = isns_req_get_status(req); 889829603e2SAlexander Motin if (error != 0) { 890829603e2SAlexander Motin log_warnx("iSNS check error %d for %s", error, isns->i_addr); 891829603e2SAlexander Motin res = -1; 892829603e2SAlexander Motin } 893829603e2SAlexander Motin quit: 894829603e2SAlexander Motin isns_req_free(req); 895829603e2SAlexander Motin return (res); 896829603e2SAlexander Motin } 897829603e2SAlexander Motin 898829603e2SAlexander Motin static int 899829603e2SAlexander Motin isns_do_deregister(struct isns *isns, int s, const char *hostname) 900829603e2SAlexander Motin { 901829603e2SAlexander Motin struct conf *conf = isns->i_conf; 902829603e2SAlexander Motin struct isns_req *req; 903829603e2SAlexander Motin int res = 0; 904829603e2SAlexander Motin uint32_t error; 905829603e2SAlexander Motin 906829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVDEREG, ISNS_FLAG_CLIENT); 907829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 908829603e2SAlexander Motin isns_req_add_delim(req); 909829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 910829603e2SAlexander Motin res = isns_req_send(s, req); 911829603e2SAlexander Motin if (res < 0) { 912829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 913829603e2SAlexander Motin goto quit; 914829603e2SAlexander Motin } 915829603e2SAlexander Motin res = isns_req_receive(s, req); 916829603e2SAlexander Motin if (res < 0) { 917829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 918829603e2SAlexander Motin goto quit; 919829603e2SAlexander Motin } 920829603e2SAlexander Motin error = isns_req_get_status(req); 921829603e2SAlexander Motin if (error != 0) { 922829603e2SAlexander Motin log_warnx("iSNS deregister error %d for %s", error, isns->i_addr); 923829603e2SAlexander Motin res = -1; 924829603e2SAlexander Motin } 925829603e2SAlexander Motin quit: 926829603e2SAlexander Motin isns_req_free(req); 927829603e2SAlexander Motin return (res); 928829603e2SAlexander Motin } 929829603e2SAlexander Motin 930829603e2SAlexander Motin void 931829603e2SAlexander Motin isns_register(struct isns *isns, struct isns *oldisns) 932829603e2SAlexander Motin { 933829603e2SAlexander Motin struct conf *conf = isns->i_conf; 934ba2548b7SEdward Tomasz Napierala int error, s; 935829603e2SAlexander Motin char hostname[256]; 936829603e2SAlexander Motin 937829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 938829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 939829603e2SAlexander Motin return; 940829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 941829603e2SAlexander Motin s = isns_do_connect(isns); 942829603e2SAlexander Motin if (s < 0) { 943829603e2SAlexander Motin set_timeout(0, false); 944829603e2SAlexander Motin return; 945829603e2SAlexander Motin } 946ba2548b7SEdward Tomasz Napierala error = gethostname(hostname, sizeof(hostname)); 947ba2548b7SEdward Tomasz Napierala if (error != 0) 948ba2548b7SEdward Tomasz Napierala log_err(1, "gethostname"); 949829603e2SAlexander Motin 950829603e2SAlexander Motin if (oldisns == NULL || TAILQ_EMPTY(&oldisns->i_conf->conf_targets)) 951829603e2SAlexander Motin oldisns = isns; 952d5cc4a4aSAlexander Motin isns_do_deregister(oldisns, s, hostname); 953d5cc4a4aSAlexander Motin isns_do_register(isns, s, hostname); 954829603e2SAlexander Motin close(s); 955829603e2SAlexander Motin set_timeout(0, false); 956829603e2SAlexander Motin } 957829603e2SAlexander Motin 958829603e2SAlexander Motin void 959829603e2SAlexander Motin isns_check(struct isns *isns) 960829603e2SAlexander Motin { 961829603e2SAlexander Motin struct conf *conf = isns->i_conf; 962ba2548b7SEdward Tomasz Napierala int error, s, res; 963829603e2SAlexander Motin char hostname[256]; 964829603e2SAlexander Motin 965829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 966829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 967829603e2SAlexander Motin return; 968829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 969829603e2SAlexander Motin s = isns_do_connect(isns); 970829603e2SAlexander Motin if (s < 0) { 971829603e2SAlexander Motin set_timeout(0, false); 972829603e2SAlexander Motin return; 973829603e2SAlexander Motin } 974ba2548b7SEdward Tomasz Napierala error = gethostname(hostname, sizeof(hostname)); 975ba2548b7SEdward Tomasz Napierala if (error != 0) 976ba2548b7SEdward Tomasz Napierala log_err(1, "gethostname"); 977829603e2SAlexander Motin 978829603e2SAlexander Motin res = isns_do_check(isns, s, hostname); 979829603e2SAlexander Motin if (res < 0) { 980d5cc4a4aSAlexander Motin isns_do_deregister(isns, s, hostname); 981d5cc4a4aSAlexander Motin isns_do_register(isns, s, hostname); 982829603e2SAlexander Motin } 983829603e2SAlexander Motin close(s); 984829603e2SAlexander Motin set_timeout(0, false); 985829603e2SAlexander Motin } 986829603e2SAlexander Motin 987829603e2SAlexander Motin void 988829603e2SAlexander Motin isns_deregister(struct isns *isns) 989829603e2SAlexander Motin { 990829603e2SAlexander Motin struct conf *conf = isns->i_conf; 991ba2548b7SEdward Tomasz Napierala int error, s; 992829603e2SAlexander Motin char hostname[256]; 993829603e2SAlexander Motin 994829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 995829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 996829603e2SAlexander Motin return; 997829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 998829603e2SAlexander Motin s = isns_do_connect(isns); 999829603e2SAlexander Motin if (s < 0) 1000829603e2SAlexander Motin return; 1001ba2548b7SEdward Tomasz Napierala error = gethostname(hostname, sizeof(hostname)); 1002ba2548b7SEdward Tomasz Napierala if (error != 0) 1003ba2548b7SEdward Tomasz Napierala log_err(1, "gethostname"); 1004829603e2SAlexander Motin 1005d5cc4a4aSAlexander Motin isns_do_deregister(isns, s, hostname); 1006829603e2SAlexander Motin close(s); 1007829603e2SAlexander Motin set_timeout(0, false); 1008829603e2SAlexander Motin } 1009829603e2SAlexander Motin 101005374883SEdward Tomasz Napierala int 1011bd833b11SEdward Tomasz Napierala portal_group_set_filter(struct portal_group *pg, const char *str) 101205374883SEdward Tomasz Napierala { 1013bd833b11SEdward Tomasz Napierala int filter; 101405374883SEdward Tomasz Napierala 101505374883SEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 101605374883SEdward Tomasz Napierala filter = PG_FILTER_NONE; 101705374883SEdward Tomasz Napierala } else if (strcmp(str, "portal") == 0) { 101805374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL; 101905374883SEdward Tomasz Napierala } else if (strcmp(str, "portal-name") == 0) { 102005374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL_NAME; 102105374883SEdward Tomasz Napierala } else if (strcmp(str, "portal-name-auth") == 0) { 102205374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL_NAME_AUTH; 102305374883SEdward Tomasz Napierala } else { 102405374883SEdward Tomasz Napierala log_warnx("invalid discovery-filter \"%s\" for portal-group " 102505374883SEdward Tomasz Napierala "\"%s\"; valid values are \"none\", \"portal\", " 102605374883SEdward Tomasz Napierala "\"portal-name\", and \"portal-name-auth\"", 102705374883SEdward Tomasz Napierala str, pg->pg_name); 102805374883SEdward Tomasz Napierala return (1); 102905374883SEdward Tomasz Napierala } 103005374883SEdward Tomasz Napierala 1031bd833b11SEdward Tomasz Napierala if (pg->pg_discovery_filter != PG_FILTER_UNKNOWN && 1032bd833b11SEdward Tomasz Napierala pg->pg_discovery_filter != filter) { 103305374883SEdward Tomasz Napierala log_warnx("cannot set discovery-filter to \"%s\" for " 103405374883SEdward Tomasz Napierala "portal-group \"%s\"; already has a different " 103505374883SEdward Tomasz Napierala "value", str, pg->pg_name); 103605374883SEdward Tomasz Napierala return (1); 103705374883SEdward Tomasz Napierala } 103805374883SEdward Tomasz Napierala 1039bd833b11SEdward Tomasz Napierala pg->pg_discovery_filter = filter; 1040bd833b11SEdward Tomasz Napierala 1041bd833b11SEdward Tomasz Napierala return (0); 104205374883SEdward Tomasz Napierala } 104305374883SEdward Tomasz Napierala 10446dbdbf82SEdward Tomasz Napierala int 1045a9d78210SEdward Tomasz Napierala portal_group_set_offload(struct portal_group *pg, const char *offload) 1046a9d78210SEdward Tomasz Napierala { 1047a9d78210SEdward Tomasz Napierala 1048a9d78210SEdward Tomasz Napierala if (pg->pg_offload != NULL) { 1049a9d78210SEdward Tomasz Napierala log_warnx("cannot set offload to \"%s\" for " 1050a9d78210SEdward Tomasz Napierala "portal-group \"%s\"; already defined", 1051a9d78210SEdward Tomasz Napierala offload, pg->pg_name); 1052a9d78210SEdward Tomasz Napierala return (1); 1053a9d78210SEdward Tomasz Napierala } 1054a9d78210SEdward Tomasz Napierala 1055a9d78210SEdward Tomasz Napierala pg->pg_offload = checked_strdup(offload); 1056a9d78210SEdward Tomasz Napierala 1057a9d78210SEdward Tomasz Napierala return (0); 1058a9d78210SEdward Tomasz Napierala } 1059a9d78210SEdward Tomasz Napierala 1060a9d78210SEdward Tomasz Napierala int 10616dbdbf82SEdward Tomasz Napierala portal_group_set_redirection(struct portal_group *pg, const char *addr) 10626dbdbf82SEdward Tomasz Napierala { 10636dbdbf82SEdward Tomasz Napierala 10646dbdbf82SEdward Tomasz Napierala if (pg->pg_redirection != NULL) { 10656dbdbf82SEdward Tomasz Napierala log_warnx("cannot set redirection to \"%s\" for " 10666dbdbf82SEdward Tomasz Napierala "portal-group \"%s\"; already defined", 10676dbdbf82SEdward Tomasz Napierala addr, pg->pg_name); 10686dbdbf82SEdward Tomasz Napierala return (1); 10696dbdbf82SEdward Tomasz Napierala } 10706dbdbf82SEdward Tomasz Napierala 10716dbdbf82SEdward Tomasz Napierala pg->pg_redirection = checked_strdup(addr); 10726dbdbf82SEdward Tomasz Napierala 10736dbdbf82SEdward Tomasz Napierala return (0); 10746dbdbf82SEdward Tomasz Napierala } 10756dbdbf82SEdward Tomasz Napierala 1076009ea47eSEdward Tomasz Napierala static bool 1077009ea47eSEdward Tomasz Napierala valid_hex(const char ch) 1078009ea47eSEdward Tomasz Napierala { 1079009ea47eSEdward Tomasz Napierala switch (ch) { 1080009ea47eSEdward Tomasz Napierala case '0': 1081009ea47eSEdward Tomasz Napierala case '1': 1082009ea47eSEdward Tomasz Napierala case '2': 1083009ea47eSEdward Tomasz Napierala case '3': 1084009ea47eSEdward Tomasz Napierala case '4': 1085009ea47eSEdward Tomasz Napierala case '5': 1086009ea47eSEdward Tomasz Napierala case '6': 1087009ea47eSEdward Tomasz Napierala case '7': 1088009ea47eSEdward Tomasz Napierala case '8': 1089009ea47eSEdward Tomasz Napierala case '9': 1090009ea47eSEdward Tomasz Napierala case 'a': 1091009ea47eSEdward Tomasz Napierala case 'A': 1092009ea47eSEdward Tomasz Napierala case 'b': 1093009ea47eSEdward Tomasz Napierala case 'B': 1094009ea47eSEdward Tomasz Napierala case 'c': 1095009ea47eSEdward Tomasz Napierala case 'C': 1096009ea47eSEdward Tomasz Napierala case 'd': 1097009ea47eSEdward Tomasz Napierala case 'D': 1098009ea47eSEdward Tomasz Napierala case 'e': 1099009ea47eSEdward Tomasz Napierala case 'E': 1100009ea47eSEdward Tomasz Napierala case 'f': 1101009ea47eSEdward Tomasz Napierala case 'F': 1102009ea47eSEdward Tomasz Napierala return (true); 1103009ea47eSEdward Tomasz Napierala default: 1104009ea47eSEdward Tomasz Napierala return (false); 1105009ea47eSEdward Tomasz Napierala } 1106009ea47eSEdward Tomasz Napierala } 1107009ea47eSEdward Tomasz Napierala 1108009ea47eSEdward Tomasz Napierala bool 1109009ea47eSEdward Tomasz Napierala valid_iscsi_name(const char *name) 1110009ea47eSEdward Tomasz Napierala { 1111009ea47eSEdward Tomasz Napierala int i; 1112009ea47eSEdward Tomasz Napierala 1113009ea47eSEdward Tomasz Napierala if (strlen(name) >= MAX_NAME_LEN) { 1114009ea47eSEdward Tomasz Napierala log_warnx("overlong name for target \"%s\"; max length allowed " 1115009ea47eSEdward Tomasz Napierala "by iSCSI specification is %d characters", 1116009ea47eSEdward Tomasz Napierala name, MAX_NAME_LEN); 1117009ea47eSEdward Tomasz Napierala return (false); 1118009ea47eSEdward Tomasz Napierala } 1119009ea47eSEdward Tomasz Napierala 1120009ea47eSEdward Tomasz Napierala /* 1121009ea47eSEdward Tomasz Napierala * In the cases below, we don't return an error, just in case the admin 1122009ea47eSEdward Tomasz Napierala * was right, and we're wrong. 1123009ea47eSEdward Tomasz Napierala */ 1124009ea47eSEdward Tomasz Napierala if (strncasecmp(name, "iqn.", strlen("iqn.")) == 0) { 1125009ea47eSEdward Tomasz Napierala for (i = strlen("iqn."); name[i] != '\0'; i++) { 1126009ea47eSEdward Tomasz Napierala /* 1127009ea47eSEdward Tomasz Napierala * XXX: We should verify UTF-8 normalisation, as defined 1128009ea47eSEdward Tomasz Napierala * by 3.2.6.2: iSCSI Name Encoding. 1129009ea47eSEdward Tomasz Napierala */ 1130009ea47eSEdward Tomasz Napierala if (isalnum(name[i])) 1131009ea47eSEdward Tomasz Napierala continue; 1132009ea47eSEdward Tomasz Napierala if (name[i] == '-' || name[i] == '.' || name[i] == ':') 1133009ea47eSEdward Tomasz Napierala continue; 1134009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target name " 1135009ea47eSEdward Tomasz Napierala "\"%s\"; allowed characters are letters, digits, " 1136009ea47eSEdward Tomasz Napierala "'-', '.', and ':'", name[i], name); 1137009ea47eSEdward Tomasz Napierala break; 1138009ea47eSEdward Tomasz Napierala } 1139009ea47eSEdward Tomasz Napierala /* 1140009ea47eSEdward Tomasz Napierala * XXX: Check more stuff: valid date and a valid reversed domain. 1141009ea47eSEdward Tomasz Napierala */ 1142009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "eui.", strlen("eui.")) == 0) { 1143009ea47eSEdward Tomasz Napierala if (strlen(name) != strlen("eui.") + 16) 1144009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"eui.\" " 1145009ea47eSEdward Tomasz Napierala "should be followed by exactly 16 hexadecimal " 1146009ea47eSEdward Tomasz Napierala "digits", name); 1147009ea47eSEdward Tomasz Napierala for (i = strlen("eui."); name[i] != '\0'; i++) { 1148009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1149009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1150009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1151009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1152009ea47eSEdward Tomasz Napierala break; 1153009ea47eSEdward Tomasz Napierala } 1154009ea47eSEdward Tomasz Napierala } 1155009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "naa.", strlen("naa.")) == 0) { 1156009ea47eSEdward Tomasz Napierala if (strlen(name) > strlen("naa.") + 32) 1157009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"naa.\" " 1158009ea47eSEdward Tomasz Napierala "should be followed by at most 32 hexadecimal " 1159009ea47eSEdward Tomasz Napierala "digits", name); 1160009ea47eSEdward Tomasz Napierala for (i = strlen("naa."); name[i] != '\0'; i++) { 1161009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1162009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1163009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1164009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1165009ea47eSEdward Tomasz Napierala break; 1166009ea47eSEdward Tomasz Napierala } 1167009ea47eSEdward Tomasz Napierala } 1168009ea47eSEdward Tomasz Napierala } else { 1169009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; should start with " 1170d7b87b89SJosh Paetzel "either \"iqn.\", \"eui.\", or \"naa.\"", 1171009ea47eSEdward Tomasz Napierala name); 1172009ea47eSEdward Tomasz Napierala } 1173009ea47eSEdward Tomasz Napierala return (true); 1174009ea47eSEdward Tomasz Napierala } 1175009ea47eSEdward Tomasz Napierala 1176057abcb0SAlexander Motin struct pport * 1177057abcb0SAlexander Motin pport_new(struct conf *conf, const char *name, uint32_t ctl_port) 1178057abcb0SAlexander Motin { 1179057abcb0SAlexander Motin struct pport *pp; 1180057abcb0SAlexander Motin 1181057abcb0SAlexander Motin pp = calloc(1, sizeof(*pp)); 1182057abcb0SAlexander Motin if (pp == NULL) 1183057abcb0SAlexander Motin log_err(1, "calloc"); 1184057abcb0SAlexander Motin pp->pp_conf = conf; 1185057abcb0SAlexander Motin pp->pp_name = checked_strdup(name); 1186057abcb0SAlexander Motin pp->pp_ctl_port = ctl_port; 1187057abcb0SAlexander Motin TAILQ_INIT(&pp->pp_ports); 1188057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_pports, pp, pp_next); 1189057abcb0SAlexander Motin return (pp); 1190057abcb0SAlexander Motin } 1191057abcb0SAlexander Motin 1192057abcb0SAlexander Motin struct pport * 1193057abcb0SAlexander Motin pport_find(const struct conf *conf, const char *name) 1194057abcb0SAlexander Motin { 1195057abcb0SAlexander Motin struct pport *pp; 1196057abcb0SAlexander Motin 1197057abcb0SAlexander Motin TAILQ_FOREACH(pp, &conf->conf_pports, pp_next) { 1198057abcb0SAlexander Motin if (strcasecmp(pp->pp_name, name) == 0) 1199057abcb0SAlexander Motin return (pp); 1200057abcb0SAlexander Motin } 1201057abcb0SAlexander Motin return (NULL); 1202057abcb0SAlexander Motin } 1203057abcb0SAlexander Motin 1204057abcb0SAlexander Motin struct pport * 1205057abcb0SAlexander Motin pport_copy(struct pport *pp, struct conf *conf) 1206057abcb0SAlexander Motin { 1207057abcb0SAlexander Motin struct pport *ppnew; 1208057abcb0SAlexander Motin 1209057abcb0SAlexander Motin ppnew = pport_new(conf, pp->pp_name, pp->pp_ctl_port); 1210057abcb0SAlexander Motin return (ppnew); 1211057abcb0SAlexander Motin } 1212057abcb0SAlexander Motin 1213057abcb0SAlexander Motin void 1214057abcb0SAlexander Motin pport_delete(struct pport *pp) 1215057abcb0SAlexander Motin { 1216057abcb0SAlexander Motin struct port *port, *tport; 1217057abcb0SAlexander Motin 1218057abcb0SAlexander Motin TAILQ_FOREACH_SAFE(port, &pp->pp_ports, p_ts, tport) 1219057abcb0SAlexander Motin port_delete(port); 1220057abcb0SAlexander Motin TAILQ_REMOVE(&pp->pp_conf->conf_pports, pp, pp_next); 1221057abcb0SAlexander Motin free(pp->pp_name); 1222057abcb0SAlexander Motin free(pp); 1223057abcb0SAlexander Motin } 1224057abcb0SAlexander Motin 122592847ee1SAlexander Motin struct port * 122692847ee1SAlexander Motin port_new(struct conf *conf, struct target *target, struct portal_group *pg) 122792847ee1SAlexander Motin { 122892847ee1SAlexander Motin struct port *port; 1229057abcb0SAlexander Motin char *name; 123055e4579eSAlexander Motin int ret; 123192847ee1SAlexander Motin 123255e4579eSAlexander Motin ret = asprintf(&name, "%s-%s", pg->pg_name, target->t_name); 123355e4579eSAlexander Motin if (ret <= 0) 123455e4579eSAlexander Motin log_err(1, "asprintf"); 1235057abcb0SAlexander Motin if (port_find(conf, name) != NULL) { 1236057abcb0SAlexander Motin log_warnx("duplicate port \"%s\"", name); 1237057abcb0SAlexander Motin free(name); 1238057abcb0SAlexander Motin return (NULL); 1239057abcb0SAlexander Motin } 124092847ee1SAlexander Motin port = calloc(1, sizeof(*port)); 124192847ee1SAlexander Motin if (port == NULL) 124292847ee1SAlexander Motin log_err(1, "calloc"); 124392847ee1SAlexander Motin port->p_conf = conf; 1244057abcb0SAlexander Motin port->p_name = name; 12458951f055SMarcelo Araujo port->p_ioctl_port = 0; 124692847ee1SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_ports, port, p_next); 124792847ee1SAlexander Motin TAILQ_INSERT_TAIL(&target->t_ports, port, p_ts); 124892847ee1SAlexander Motin port->p_target = target; 124992847ee1SAlexander Motin TAILQ_INSERT_TAIL(&pg->pg_ports, port, p_pgs); 125092847ee1SAlexander Motin port->p_portal_group = pg; 125192847ee1SAlexander Motin return (port); 125292847ee1SAlexander Motin } 125392847ee1SAlexander Motin 125492847ee1SAlexander Motin struct port * 12558951f055SMarcelo Araujo port_new_ioctl(struct conf *conf, struct target *target, int pp, int vp) 12568951f055SMarcelo Araujo { 12578951f055SMarcelo Araujo struct pport *pport; 12588951f055SMarcelo Araujo struct port *port; 12598951f055SMarcelo Araujo char *pname; 12608951f055SMarcelo Araujo char *name; 12618951f055SMarcelo Araujo int ret; 12628951f055SMarcelo Araujo 12638951f055SMarcelo Araujo ret = asprintf(&pname, "ioctl/%d/%d", pp, vp); 12648951f055SMarcelo Araujo if (ret <= 0) { 12658951f055SMarcelo Araujo log_err(1, "asprintf"); 12668951f055SMarcelo Araujo return (NULL); 12678951f055SMarcelo Araujo } 12688951f055SMarcelo Araujo 12698951f055SMarcelo Araujo pport = pport_find(conf, pname); 12708951f055SMarcelo Araujo if (pport != NULL) { 12718951f055SMarcelo Araujo free(pname); 12728951f055SMarcelo Araujo return (port_new_pp(conf, target, pport)); 12738951f055SMarcelo Araujo } 12748951f055SMarcelo Araujo 12758951f055SMarcelo Araujo ret = asprintf(&name, "%s-%s", pname, target->t_name); 12768951f055SMarcelo Araujo free(pname); 12778951f055SMarcelo Araujo 12788951f055SMarcelo Araujo if (ret <= 0) 12798951f055SMarcelo Araujo log_err(1, "asprintf"); 12808951f055SMarcelo Araujo if (port_find(conf, name) != NULL) { 12818951f055SMarcelo Araujo log_warnx("duplicate port \"%s\"", name); 12828951f055SMarcelo Araujo free(name); 12838951f055SMarcelo Araujo return (NULL); 12848951f055SMarcelo Araujo } 12858951f055SMarcelo Araujo port = calloc(1, sizeof(*port)); 12868951f055SMarcelo Araujo if (port == NULL) 12878951f055SMarcelo Araujo log_err(1, "calloc"); 12888951f055SMarcelo Araujo port->p_conf = conf; 12898951f055SMarcelo Araujo port->p_name = name; 12908951f055SMarcelo Araujo port->p_ioctl_port = 1; 12918951f055SMarcelo Araujo port->p_ioctl_pp = pp; 12928951f055SMarcelo Araujo port->p_ioctl_vp = vp; 12938951f055SMarcelo Araujo TAILQ_INSERT_TAIL(&conf->conf_ports, port, p_next); 12948951f055SMarcelo Araujo TAILQ_INSERT_TAIL(&target->t_ports, port, p_ts); 12958951f055SMarcelo Araujo port->p_target = target; 12968951f055SMarcelo Araujo return (port); 12978951f055SMarcelo Araujo } 12988951f055SMarcelo Araujo 12998951f055SMarcelo Araujo struct port * 1300057abcb0SAlexander Motin port_new_pp(struct conf *conf, struct target *target, struct pport *pp) 1301057abcb0SAlexander Motin { 1302057abcb0SAlexander Motin struct port *port; 1303057abcb0SAlexander Motin char *name; 130455e4579eSAlexander Motin int ret; 1305057abcb0SAlexander Motin 130655e4579eSAlexander Motin ret = asprintf(&name, "%s-%s", pp->pp_name, target->t_name); 130755e4579eSAlexander Motin if (ret <= 0) 130855e4579eSAlexander Motin log_err(1, "asprintf"); 1309057abcb0SAlexander Motin if (port_find(conf, name) != NULL) { 1310057abcb0SAlexander Motin log_warnx("duplicate port \"%s\"", name); 1311057abcb0SAlexander Motin free(name); 1312057abcb0SAlexander Motin return (NULL); 1313057abcb0SAlexander Motin } 1314057abcb0SAlexander Motin port = calloc(1, sizeof(*port)); 1315057abcb0SAlexander Motin if (port == NULL) 1316057abcb0SAlexander Motin log_err(1, "calloc"); 1317057abcb0SAlexander Motin port->p_conf = conf; 1318057abcb0SAlexander Motin port->p_name = name; 1319057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_ports, port, p_next); 1320057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&target->t_ports, port, p_ts); 1321057abcb0SAlexander Motin port->p_target = target; 1322057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&pp->pp_ports, port, p_pps); 1323057abcb0SAlexander Motin port->p_pport = pp; 1324057abcb0SAlexander Motin return (port); 1325057abcb0SAlexander Motin } 1326057abcb0SAlexander Motin 1327057abcb0SAlexander Motin struct port * 132892847ee1SAlexander Motin port_find(const struct conf *conf, const char *name) 132992847ee1SAlexander Motin { 133092847ee1SAlexander Motin struct port *port; 133192847ee1SAlexander Motin 133292847ee1SAlexander Motin TAILQ_FOREACH(port, &conf->conf_ports, p_next) { 133392847ee1SAlexander Motin if (strcasecmp(port->p_name, name) == 0) 133492847ee1SAlexander Motin return (port); 133592847ee1SAlexander Motin } 133692847ee1SAlexander Motin 133792847ee1SAlexander Motin return (NULL); 133892847ee1SAlexander Motin } 133992847ee1SAlexander Motin 134092847ee1SAlexander Motin struct port * 134192847ee1SAlexander Motin port_find_in_pg(const struct portal_group *pg, const char *target) 134292847ee1SAlexander Motin { 134392847ee1SAlexander Motin struct port *port; 134492847ee1SAlexander Motin 134592847ee1SAlexander Motin TAILQ_FOREACH(port, &pg->pg_ports, p_pgs) { 134692847ee1SAlexander Motin if (strcasecmp(port->p_target->t_name, target) == 0) 134792847ee1SAlexander Motin return (port); 134892847ee1SAlexander Motin } 134992847ee1SAlexander Motin 135092847ee1SAlexander Motin return (NULL); 135192847ee1SAlexander Motin } 135292847ee1SAlexander Motin 135392847ee1SAlexander Motin void 135492847ee1SAlexander Motin port_delete(struct port *port) 135592847ee1SAlexander Motin { 135692847ee1SAlexander Motin 135792847ee1SAlexander Motin if (port->p_portal_group) 135892847ee1SAlexander Motin TAILQ_REMOVE(&port->p_portal_group->pg_ports, port, p_pgs); 1359057abcb0SAlexander Motin if (port->p_pport) 1360057abcb0SAlexander Motin TAILQ_REMOVE(&port->p_pport->pp_ports, port, p_pps); 136192847ee1SAlexander Motin if (port->p_target) 136292847ee1SAlexander Motin TAILQ_REMOVE(&port->p_target->t_ports, port, p_ts); 136392847ee1SAlexander Motin TAILQ_REMOVE(&port->p_conf->conf_ports, port, p_next); 136492847ee1SAlexander Motin free(port->p_name); 136592847ee1SAlexander Motin free(port); 136692847ee1SAlexander Motin } 136792847ee1SAlexander Motin 13689215e501SAlexander Motin int 13699215e501SAlexander Motin port_is_dummy(struct port *port) 13709215e501SAlexander Motin { 13719215e501SAlexander Motin 13729215e501SAlexander Motin if (port->p_portal_group) { 13739215e501SAlexander Motin if (port->p_portal_group->pg_foreign) 13749215e501SAlexander Motin return (1); 13759215e501SAlexander Motin if (TAILQ_EMPTY(&port->p_portal_group->pg_portals)) 13769215e501SAlexander Motin return (1); 13779215e501SAlexander Motin } 13789215e501SAlexander Motin return (0); 13799215e501SAlexander Motin } 13809215e501SAlexander Motin 1381009ea47eSEdward Tomasz Napierala struct target * 1382f7ae5bf8SEdward Tomasz Napierala target_new(struct conf *conf, const char *name) 1383009ea47eSEdward Tomasz Napierala { 1384009ea47eSEdward Tomasz Napierala struct target *targ; 1385009ea47eSEdward Tomasz Napierala int i, len; 1386009ea47eSEdward Tomasz Napierala 1387f7ae5bf8SEdward Tomasz Napierala targ = target_find(conf, name); 1388009ea47eSEdward Tomasz Napierala if (targ != NULL) { 1389f7ae5bf8SEdward Tomasz Napierala log_warnx("duplicated target \"%s\"", name); 1390009ea47eSEdward Tomasz Napierala return (NULL); 1391009ea47eSEdward Tomasz Napierala } 1392f7ae5bf8SEdward Tomasz Napierala if (valid_iscsi_name(name) == false) { 1393f7ae5bf8SEdward Tomasz Napierala log_warnx("target name \"%s\" is invalid", name); 1394009ea47eSEdward Tomasz Napierala return (NULL); 1395009ea47eSEdward Tomasz Napierala } 1396009ea47eSEdward Tomasz Napierala targ = calloc(1, sizeof(*targ)); 1397009ea47eSEdward Tomasz Napierala if (targ == NULL) 1398009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1399f7ae5bf8SEdward Tomasz Napierala targ->t_name = checked_strdup(name); 1400009ea47eSEdward Tomasz Napierala 1401009ea47eSEdward Tomasz Napierala /* 1402009ea47eSEdward Tomasz Napierala * RFC 3722 requires us to normalize the name to lowercase. 1403009ea47eSEdward Tomasz Napierala */ 1404f7ae5bf8SEdward Tomasz Napierala len = strlen(name); 1405009ea47eSEdward Tomasz Napierala for (i = 0; i < len; i++) 1406f7ae5bf8SEdward Tomasz Napierala targ->t_name[i] = tolower(targ->t_name[i]); 1407009ea47eSEdward Tomasz Napierala 1408009ea47eSEdward Tomasz Napierala targ->t_conf = conf; 140992847ee1SAlexander Motin TAILQ_INIT(&targ->t_ports); 1410009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_targets, targ, t_next); 1411009ea47eSEdward Tomasz Napierala 1412009ea47eSEdward Tomasz Napierala return (targ); 1413009ea47eSEdward Tomasz Napierala } 1414009ea47eSEdward Tomasz Napierala 1415009ea47eSEdward Tomasz Napierala void 1416009ea47eSEdward Tomasz Napierala target_delete(struct target *targ) 1417009ea47eSEdward Tomasz Napierala { 141892847ee1SAlexander Motin struct port *port, *tport; 1419009ea47eSEdward Tomasz Napierala 142092847ee1SAlexander Motin TAILQ_FOREACH_SAFE(port, &targ->t_ports, p_ts, tport) 142192847ee1SAlexander Motin port_delete(port); 1422009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&targ->t_conf->conf_targets, targ, t_next); 1423009ea47eSEdward Tomasz Napierala 1424f7ae5bf8SEdward Tomasz Napierala free(targ->t_name); 14256dbdbf82SEdward Tomasz Napierala free(targ->t_redirection); 1426009ea47eSEdward Tomasz Napierala free(targ); 1427009ea47eSEdward Tomasz Napierala } 1428009ea47eSEdward Tomasz Napierala 1429009ea47eSEdward Tomasz Napierala struct target * 1430f7ae5bf8SEdward Tomasz Napierala target_find(struct conf *conf, const char *name) 1431009ea47eSEdward Tomasz Napierala { 1432009ea47eSEdward Tomasz Napierala struct target *targ; 1433009ea47eSEdward Tomasz Napierala 1434009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1435f7ae5bf8SEdward Tomasz Napierala if (strcasecmp(targ->t_name, name) == 0) 1436009ea47eSEdward Tomasz Napierala return (targ); 1437009ea47eSEdward Tomasz Napierala } 1438009ea47eSEdward Tomasz Napierala 1439009ea47eSEdward Tomasz Napierala return (NULL); 1440009ea47eSEdward Tomasz Napierala } 1441009ea47eSEdward Tomasz Napierala 14426dbdbf82SEdward Tomasz Napierala int 14436dbdbf82SEdward Tomasz Napierala target_set_redirection(struct target *target, const char *addr) 14446dbdbf82SEdward Tomasz Napierala { 14456dbdbf82SEdward Tomasz Napierala 14466dbdbf82SEdward Tomasz Napierala if (target->t_redirection != NULL) { 14476dbdbf82SEdward Tomasz Napierala log_warnx("cannot set redirection to \"%s\" for " 14486dbdbf82SEdward Tomasz Napierala "target \"%s\"; already defined", 14496dbdbf82SEdward Tomasz Napierala addr, target->t_name); 14506dbdbf82SEdward Tomasz Napierala return (1); 14516dbdbf82SEdward Tomasz Napierala } 14526dbdbf82SEdward Tomasz Napierala 14536dbdbf82SEdward Tomasz Napierala target->t_redirection = checked_strdup(addr); 14546dbdbf82SEdward Tomasz Napierala 14556dbdbf82SEdward Tomasz Napierala return (0); 14566dbdbf82SEdward Tomasz Napierala } 14576dbdbf82SEdward Tomasz Napierala 1458009ea47eSEdward Tomasz Napierala struct lun * 1459920c6cbaSAlexander Motin lun_new(struct conf *conf, const char *name) 1460009ea47eSEdward Tomasz Napierala { 1461009ea47eSEdward Tomasz Napierala struct lun *lun; 1462009ea47eSEdward Tomasz Napierala 1463920c6cbaSAlexander Motin lun = lun_find(conf, name); 1464009ea47eSEdward Tomasz Napierala if (lun != NULL) { 1465920c6cbaSAlexander Motin log_warnx("duplicated lun \"%s\"", name); 1466009ea47eSEdward Tomasz Napierala return (NULL); 1467009ea47eSEdward Tomasz Napierala } 1468009ea47eSEdward Tomasz Napierala 1469009ea47eSEdward Tomasz Napierala lun = calloc(1, sizeof(*lun)); 1470009ea47eSEdward Tomasz Napierala if (lun == NULL) 1471009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1472920c6cbaSAlexander Motin lun->l_conf = conf; 1473920c6cbaSAlexander Motin lun->l_name = checked_strdup(name); 1474009ea47eSEdward Tomasz Napierala TAILQ_INIT(&lun->l_options); 1475920c6cbaSAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_luns, lun, l_next); 14763933f7b1SAlexander Motin lun->l_ctl_lun = -1; 1477009ea47eSEdward Tomasz Napierala 1478009ea47eSEdward Tomasz Napierala return (lun); 1479009ea47eSEdward Tomasz Napierala } 1480009ea47eSEdward Tomasz Napierala 1481009ea47eSEdward Tomasz Napierala void 1482009ea47eSEdward Tomasz Napierala lun_delete(struct lun *lun) 1483009ea47eSEdward Tomasz Napierala { 1484920c6cbaSAlexander Motin struct target *targ; 1485398290f2SAlexander Motin struct option *o, *tmp; 1486920c6cbaSAlexander Motin int i; 1487009ea47eSEdward Tomasz Napierala 1488920c6cbaSAlexander Motin TAILQ_FOREACH(targ, &lun->l_conf->conf_targets, t_next) { 1489920c6cbaSAlexander Motin for (i = 0; i < MAX_LUNS; i++) { 1490920c6cbaSAlexander Motin if (targ->t_luns[i] == lun) 1491920c6cbaSAlexander Motin targ->t_luns[i] = NULL; 1492920c6cbaSAlexander Motin } 1493920c6cbaSAlexander Motin } 1494920c6cbaSAlexander Motin TAILQ_REMOVE(&lun->l_conf->conf_luns, lun, l_next); 1495009ea47eSEdward Tomasz Napierala 1496398290f2SAlexander Motin TAILQ_FOREACH_SAFE(o, &lun->l_options, o_next, tmp) 1497398290f2SAlexander Motin option_delete(&lun->l_options, o); 1498920c6cbaSAlexander Motin free(lun->l_name); 1499009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1500009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1501009ea47eSEdward Tomasz Napierala free(lun->l_path); 1502920c6cbaSAlexander Motin free(lun->l_scsiname); 1503009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1504009ea47eSEdward Tomasz Napierala free(lun); 1505009ea47eSEdward Tomasz Napierala } 1506009ea47eSEdward Tomasz Napierala 1507009ea47eSEdward Tomasz Napierala struct lun * 1508920c6cbaSAlexander Motin lun_find(const struct conf *conf, const char *name) 1509009ea47eSEdward Tomasz Napierala { 1510009ea47eSEdward Tomasz Napierala struct lun *lun; 1511009ea47eSEdward Tomasz Napierala 1512920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1513920c6cbaSAlexander Motin if (strcmp(lun->l_name, name) == 0) 1514009ea47eSEdward Tomasz Napierala return (lun); 1515009ea47eSEdward Tomasz Napierala } 1516009ea47eSEdward Tomasz Napierala 1517009ea47eSEdward Tomasz Napierala return (NULL); 1518009ea47eSEdward Tomasz Napierala } 1519009ea47eSEdward Tomasz Napierala 1520009ea47eSEdward Tomasz Napierala void 1521009ea47eSEdward Tomasz Napierala lun_set_backend(struct lun *lun, const char *value) 1522009ea47eSEdward Tomasz Napierala { 1523009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1524009ea47eSEdward Tomasz Napierala lun->l_backend = checked_strdup(value); 1525009ea47eSEdward Tomasz Napierala } 1526009ea47eSEdward Tomasz Napierala 1527009ea47eSEdward Tomasz Napierala void 1528009ea47eSEdward Tomasz Napierala lun_set_blocksize(struct lun *lun, size_t value) 1529009ea47eSEdward Tomasz Napierala { 1530009ea47eSEdward Tomasz Napierala 1531009ea47eSEdward Tomasz Napierala lun->l_blocksize = value; 1532009ea47eSEdward Tomasz Napierala } 1533009ea47eSEdward Tomasz Napierala 1534009ea47eSEdward Tomasz Napierala void 153591be33dcSAlexander Motin lun_set_device_type(struct lun *lun, uint8_t value) 153691be33dcSAlexander Motin { 153791be33dcSAlexander Motin 153891be33dcSAlexander Motin lun->l_device_type = value; 153991be33dcSAlexander Motin } 154091be33dcSAlexander Motin 154191be33dcSAlexander Motin void 1542009ea47eSEdward Tomasz Napierala lun_set_device_id(struct lun *lun, const char *value) 1543009ea47eSEdward Tomasz Napierala { 1544009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1545009ea47eSEdward Tomasz Napierala lun->l_device_id = checked_strdup(value); 1546009ea47eSEdward Tomasz Napierala } 1547009ea47eSEdward Tomasz Napierala 1548009ea47eSEdward Tomasz Napierala void 1549009ea47eSEdward Tomasz Napierala lun_set_path(struct lun *lun, const char *value) 1550009ea47eSEdward Tomasz Napierala { 1551009ea47eSEdward Tomasz Napierala free(lun->l_path); 1552009ea47eSEdward Tomasz Napierala lun->l_path = checked_strdup(value); 1553009ea47eSEdward Tomasz Napierala } 1554009ea47eSEdward Tomasz Napierala 1555009ea47eSEdward Tomasz Napierala void 1556920c6cbaSAlexander Motin lun_set_scsiname(struct lun *lun, const char *value) 1557920c6cbaSAlexander Motin { 1558920c6cbaSAlexander Motin free(lun->l_scsiname); 1559920c6cbaSAlexander Motin lun->l_scsiname = checked_strdup(value); 1560920c6cbaSAlexander Motin } 1561920c6cbaSAlexander Motin 1562920c6cbaSAlexander Motin void 1563009ea47eSEdward Tomasz Napierala lun_set_serial(struct lun *lun, const char *value) 1564009ea47eSEdward Tomasz Napierala { 1565009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1566009ea47eSEdward Tomasz Napierala lun->l_serial = checked_strdup(value); 1567009ea47eSEdward Tomasz Napierala } 1568009ea47eSEdward Tomasz Napierala 1569009ea47eSEdward Tomasz Napierala void 1570009ea47eSEdward Tomasz Napierala lun_set_size(struct lun *lun, size_t value) 1571009ea47eSEdward Tomasz Napierala { 1572009ea47eSEdward Tomasz Napierala 1573009ea47eSEdward Tomasz Napierala lun->l_size = value; 1574009ea47eSEdward Tomasz Napierala } 1575009ea47eSEdward Tomasz Napierala 1576009ea47eSEdward Tomasz Napierala void 1577009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(struct lun *lun, uint32_t value) 1578009ea47eSEdward Tomasz Napierala { 1579009ea47eSEdward Tomasz Napierala 1580009ea47eSEdward Tomasz Napierala lun->l_ctl_lun = value; 1581009ea47eSEdward Tomasz Napierala } 1582009ea47eSEdward Tomasz Napierala 1583398290f2SAlexander Motin struct option * 1584398290f2SAlexander Motin option_new(struct options *options, const char *name, const char *value) 1585009ea47eSEdward Tomasz Napierala { 1586398290f2SAlexander Motin struct option *o; 1587009ea47eSEdward Tomasz Napierala 1588398290f2SAlexander Motin o = option_find(options, name); 1589398290f2SAlexander Motin if (o != NULL) { 1590398290f2SAlexander Motin log_warnx("duplicated option \"%s\"", name); 1591009ea47eSEdward Tomasz Napierala return (NULL); 1592009ea47eSEdward Tomasz Napierala } 1593009ea47eSEdward Tomasz Napierala 1594398290f2SAlexander Motin o = calloc(1, sizeof(*o)); 1595398290f2SAlexander Motin if (o == NULL) 1596009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1597398290f2SAlexander Motin o->o_name = checked_strdup(name); 1598398290f2SAlexander Motin o->o_value = checked_strdup(value); 1599398290f2SAlexander Motin TAILQ_INSERT_TAIL(options, o, o_next); 1600009ea47eSEdward Tomasz Napierala 1601398290f2SAlexander Motin return (o); 1602009ea47eSEdward Tomasz Napierala } 1603009ea47eSEdward Tomasz Napierala 1604009ea47eSEdward Tomasz Napierala void 1605398290f2SAlexander Motin option_delete(struct options *options, struct option *o) 1606009ea47eSEdward Tomasz Napierala { 1607009ea47eSEdward Tomasz Napierala 1608398290f2SAlexander Motin TAILQ_REMOVE(options, o, o_next); 1609398290f2SAlexander Motin free(o->o_name); 1610398290f2SAlexander Motin free(o->o_value); 1611398290f2SAlexander Motin free(o); 1612009ea47eSEdward Tomasz Napierala } 1613009ea47eSEdward Tomasz Napierala 1614398290f2SAlexander Motin struct option * 1615398290f2SAlexander Motin option_find(const struct options *options, const char *name) 1616009ea47eSEdward Tomasz Napierala { 1617398290f2SAlexander Motin struct option *o; 1618009ea47eSEdward Tomasz Napierala 1619398290f2SAlexander Motin TAILQ_FOREACH(o, options, o_next) { 1620398290f2SAlexander Motin if (strcmp(o->o_name, name) == 0) 1621398290f2SAlexander Motin return (o); 1622009ea47eSEdward Tomasz Napierala } 1623009ea47eSEdward Tomasz Napierala 1624009ea47eSEdward Tomasz Napierala return (NULL); 1625009ea47eSEdward Tomasz Napierala } 1626009ea47eSEdward Tomasz Napierala 1627009ea47eSEdward Tomasz Napierala void 1628398290f2SAlexander Motin option_set(struct option *o, const char *value) 1629009ea47eSEdward Tomasz Napierala { 1630009ea47eSEdward Tomasz Napierala 1631398290f2SAlexander Motin free(o->o_value); 1632398290f2SAlexander Motin o->o_value = checked_strdup(value); 1633009ea47eSEdward Tomasz Napierala } 1634009ea47eSEdward Tomasz Napierala 1635009ea47eSEdward Tomasz Napierala static struct connection * 1636073edb1cSAlexander Motin connection_new(struct portal *portal, int fd, const char *host, 1637073edb1cSAlexander Motin const struct sockaddr *client_sa) 1638009ea47eSEdward Tomasz Napierala { 1639009ea47eSEdward Tomasz Napierala struct connection *conn; 1640009ea47eSEdward Tomasz Napierala 1641009ea47eSEdward Tomasz Napierala conn = calloc(1, sizeof(*conn)); 1642009ea47eSEdward Tomasz Napierala if (conn == NULL) 1643009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1644009ea47eSEdward Tomasz Napierala conn->conn_portal = portal; 1645009ea47eSEdward Tomasz Napierala conn->conn_socket = fd; 1646009ea47eSEdward Tomasz Napierala conn->conn_initiator_addr = checked_strdup(host); 1647073edb1cSAlexander Motin memcpy(&conn->conn_initiator_sa, client_sa, client_sa->sa_len); 1648009ea47eSEdward Tomasz Napierala 1649009ea47eSEdward Tomasz Napierala /* 1650009ea47eSEdward Tomasz Napierala * Default values, from RFC 3720, section 12. 1651009ea47eSEdward Tomasz Napierala */ 165297b84d34SNavdeep Parhar conn->conn_max_recv_data_segment_length = 8192; 165359c6e3a5SAlexander Motin conn->conn_max_send_data_segment_length = 8192; 1654009ea47eSEdward Tomasz Napierala conn->conn_max_burst_length = 262144; 165597b84d34SNavdeep Parhar conn->conn_first_burst_length = 65536; 1656009ea47eSEdward Tomasz Napierala conn->conn_immediate_data = true; 1657009ea47eSEdward Tomasz Napierala 1658009ea47eSEdward Tomasz Napierala return (conn); 1659009ea47eSEdward Tomasz Napierala } 1660009ea47eSEdward Tomasz Napierala 1661009ea47eSEdward Tomasz Napierala #if 0 1662009ea47eSEdward Tomasz Napierala static void 1663009ea47eSEdward Tomasz Napierala conf_print(struct conf *conf) 1664009ea47eSEdward Tomasz Napierala { 1665009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1666009ea47eSEdward Tomasz Napierala struct auth *auth; 16678cb2e958SEdward Tomasz Napierala struct auth_name *auth_name; 16688cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal; 1669009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1670009ea47eSEdward Tomasz Napierala struct portal *portal; 1671009ea47eSEdward Tomasz Napierala struct target *targ; 1672009ea47eSEdward Tomasz Napierala struct lun *lun; 1673398290f2SAlexander Motin struct option *o; 1674009ea47eSEdward Tomasz Napierala 1675009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1676009ea47eSEdward Tomasz Napierala fprintf(stderr, "auth-group %s {\n", ag->ag_name); 1677009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) 1678009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t chap-mutual %s %s %s %s\n", 1679009ea47eSEdward Tomasz Napierala auth->a_user, auth->a_secret, 1680009ea47eSEdward Tomasz Napierala auth->a_mutual_user, auth->a_mutual_secret); 16818cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) 16828cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-name %s\n", 1683bdbc2a6fSAlexander Motin auth_name->an_initiator_name); 16848951f055SMarcelo Araujo TAILQ_FOREACH(auth_portal, &ag->ag_portals, ap_next) 16858cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-portal %s\n", 1686a3434cdcSAlexander Motin auth_portal->ap_initiator_portal); 1687009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1688009ea47eSEdward Tomasz Napierala } 1689009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1690009ea47eSEdward Tomasz Napierala fprintf(stderr, "portal-group %s {\n", pg->pg_name); 1691009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1692009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t listen %s\n", portal->p_listen); 1693009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1694009ea47eSEdward Tomasz Napierala } 1695920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1696920c6cbaSAlexander Motin fprintf(stderr, "\tlun %s {\n", lun->l_name); 1697009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\tpath %s\n", lun->l_path); 1698398290f2SAlexander Motin TAILQ_FOREACH(o, &lun->l_options, o_next) 1699009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\toption %s %s\n", 17008951f055SMarcelo Araujo o->o_name, o->o_value); 1701009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t}\n"); 1702009ea47eSEdward Tomasz Napierala } 1703920c6cbaSAlexander Motin TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1704920c6cbaSAlexander Motin fprintf(stderr, "target %s {\n", targ->t_name); 1705920c6cbaSAlexander Motin if (targ->t_alias != NULL) 1706920c6cbaSAlexander Motin fprintf(stderr, "\t alias %s\n", targ->t_alias); 1707009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1708009ea47eSEdward Tomasz Napierala } 1709009ea47eSEdward Tomasz Napierala } 1710009ea47eSEdward Tomasz Napierala #endif 1711009ea47eSEdward Tomasz Napierala 17122fabfaa5SEdward Tomasz Napierala static int 17132fabfaa5SEdward Tomasz Napierala conf_verify_lun(struct lun *lun) 17142fabfaa5SEdward Tomasz Napierala { 17152fabfaa5SEdward Tomasz Napierala const struct lun *lun2; 17162fabfaa5SEdward Tomasz Napierala 17172fabfaa5SEdward Tomasz Napierala if (lun->l_backend == NULL) 17182fabfaa5SEdward Tomasz Napierala lun_set_backend(lun, "block"); 17192fabfaa5SEdward Tomasz Napierala if (strcmp(lun->l_backend, "block") == 0) { 17202fabfaa5SEdward Tomasz Napierala if (lun->l_path == NULL) { 1721920c6cbaSAlexander Motin log_warnx("missing path for lun \"%s\"", 1722920c6cbaSAlexander Motin lun->l_name); 17232fabfaa5SEdward Tomasz Napierala return (1); 17242fabfaa5SEdward Tomasz Napierala } 17252fabfaa5SEdward Tomasz Napierala } else if (strcmp(lun->l_backend, "ramdisk") == 0) { 17262fabfaa5SEdward Tomasz Napierala if (lun->l_size == 0) { 1727920c6cbaSAlexander Motin log_warnx("missing size for ramdisk-backed lun \"%s\"", 1728920c6cbaSAlexander Motin lun->l_name); 17292fabfaa5SEdward Tomasz Napierala return (1); 17302fabfaa5SEdward Tomasz Napierala } 17312fabfaa5SEdward Tomasz Napierala if (lun->l_path != NULL) { 17322fabfaa5SEdward Tomasz Napierala log_warnx("path must not be specified " 1733920c6cbaSAlexander Motin "for ramdisk-backed lun \"%s\"", 1734920c6cbaSAlexander Motin lun->l_name); 17352fabfaa5SEdward Tomasz Napierala return (1); 17362fabfaa5SEdward Tomasz Napierala } 17372fabfaa5SEdward Tomasz Napierala } 17382fabfaa5SEdward Tomasz Napierala if (lun->l_blocksize == 0) { 17396f2f92a5SAlexander Motin if (lun->l_device_type == 5) 17406f2f92a5SAlexander Motin lun_set_blocksize(lun, DEFAULT_CD_BLOCKSIZE); 17416f2f92a5SAlexander Motin else 17422fabfaa5SEdward Tomasz Napierala lun_set_blocksize(lun, DEFAULT_BLOCKSIZE); 17432fabfaa5SEdward Tomasz Napierala } else if (lun->l_blocksize < 0) { 1744920c6cbaSAlexander Motin log_warnx("invalid blocksize for lun \"%s\"; " 1745920c6cbaSAlexander Motin "must be larger than 0", lun->l_name); 17462fabfaa5SEdward Tomasz Napierala return (1); 17472fabfaa5SEdward Tomasz Napierala } 17482fabfaa5SEdward Tomasz Napierala if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) { 1749920c6cbaSAlexander Motin log_warnx("invalid size for lun \"%s\"; " 1750920c6cbaSAlexander Motin "must be multiple of blocksize", lun->l_name); 17512fabfaa5SEdward Tomasz Napierala return (1); 17522fabfaa5SEdward Tomasz Napierala } 1753920c6cbaSAlexander Motin TAILQ_FOREACH(lun2, &lun->l_conf->conf_luns, l_next) { 1754a19eebb1SEdward Tomasz Napierala if (lun == lun2) 1755a19eebb1SEdward Tomasz Napierala continue; 1756a19eebb1SEdward Tomasz Napierala if (lun->l_path != NULL && lun2->l_path != NULL && 1757a19eebb1SEdward Tomasz Napierala strcmp(lun->l_path, lun2->l_path) == 0) { 1758a19eebb1SEdward Tomasz Napierala log_debugx("WARNING: path \"%s\" duplicated " 1759920c6cbaSAlexander Motin "between lun \"%s\", and " 1760920c6cbaSAlexander Motin "lun \"%s\"", lun->l_path, 1761920c6cbaSAlexander Motin lun->l_name, lun2->l_name); 1762a19eebb1SEdward Tomasz Napierala } 1763a19eebb1SEdward Tomasz Napierala } 17642fabfaa5SEdward Tomasz Napierala 17652fabfaa5SEdward Tomasz Napierala return (0); 17662fabfaa5SEdward Tomasz Napierala } 17672fabfaa5SEdward Tomasz Napierala 1768009ea47eSEdward Tomasz Napierala int 1769009ea47eSEdward Tomasz Napierala conf_verify(struct conf *conf) 1770009ea47eSEdward Tomasz Napierala { 1771009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1772009ea47eSEdward Tomasz Napierala struct portal_group *pg; 177392847ee1SAlexander Motin struct port *port; 1774009ea47eSEdward Tomasz Napierala struct target *targ; 17752fabfaa5SEdward Tomasz Napierala struct lun *lun; 17764e5c38f8SEdward Tomasz Napierala bool found; 1777920c6cbaSAlexander Motin int error, i; 1778009ea47eSEdward Tomasz Napierala 1779009ea47eSEdward Tomasz Napierala if (conf->conf_pidfile_path == NULL) 1780009ea47eSEdward Tomasz Napierala conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE); 1781009ea47eSEdward Tomasz Napierala 1782920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1783920c6cbaSAlexander Motin error = conf_verify_lun(lun); 1784920c6cbaSAlexander Motin if (error != 0) 1785920c6cbaSAlexander Motin return (error); 1786920c6cbaSAlexander Motin } 1787009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1788009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == NULL) { 1789e7977549SEdward Tomasz Napierala targ->t_auth_group = auth_group_find(conf, 1790e7977549SEdward Tomasz Napierala "default"); 1791e7977549SEdward Tomasz Napierala assert(targ->t_auth_group != NULL); 1792009ea47eSEdward Tomasz Napierala } 179392847ee1SAlexander Motin if (TAILQ_EMPTY(&targ->t_ports)) { 179492847ee1SAlexander Motin pg = portal_group_find(conf, "default"); 179592847ee1SAlexander Motin assert(pg != NULL); 179692847ee1SAlexander Motin port_new(conf, targ, pg); 1797009ea47eSEdward Tomasz Napierala } 17984e5c38f8SEdward Tomasz Napierala found = false; 1799920c6cbaSAlexander Motin for (i = 0; i < MAX_LUNS; i++) { 1800920c6cbaSAlexander Motin if (targ->t_luns[i] != NULL) 18014e5c38f8SEdward Tomasz Napierala found = true; 1802009ea47eSEdward Tomasz Napierala } 18036dbdbf82SEdward Tomasz Napierala if (!found && targ->t_redirection == NULL) { 180419b59f13SEdward Tomasz Napierala log_warnx("no LUNs defined for target \"%s\"", 180519b59f13SEdward Tomasz Napierala targ->t_name); 1806009ea47eSEdward Tomasz Napierala } 18076dbdbf82SEdward Tomasz Napierala if (found && targ->t_redirection != NULL) { 18086dbdbf82SEdward Tomasz Napierala log_debugx("target \"%s\" contains luns, " 18096dbdbf82SEdward Tomasz Napierala " but configured for redirection", 18106dbdbf82SEdward Tomasz Napierala targ->t_name); 18116dbdbf82SEdward Tomasz Napierala } 1812009ea47eSEdward Tomasz Napierala } 1813009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1814009ea47eSEdward Tomasz Napierala assert(pg->pg_name != NULL); 1815009ea47eSEdward Tomasz Napierala if (pg->pg_discovery_auth_group == NULL) { 1816009ea47eSEdward Tomasz Napierala pg->pg_discovery_auth_group = 1817ccb1f04dSEdward Tomasz Napierala auth_group_find(conf, "default"); 1818009ea47eSEdward Tomasz Napierala assert(pg->pg_discovery_auth_group != NULL); 1819009ea47eSEdward Tomasz Napierala } 1820009ea47eSEdward Tomasz Napierala 182105374883SEdward Tomasz Napierala if (pg->pg_discovery_filter == PG_FILTER_UNKNOWN) 182205374883SEdward Tomasz Napierala pg->pg_discovery_filter = PG_FILTER_NONE; 182305374883SEdward Tomasz Napierala 18246dbdbf82SEdward Tomasz Napierala if (pg->pg_redirection != NULL) { 1825db7bf2baSAlexander Motin if (!TAILQ_EMPTY(&pg->pg_ports)) { 18266dbdbf82SEdward Tomasz Napierala log_debugx("portal-group \"%s\" assigned " 182792847ee1SAlexander Motin "to target, but configured " 18286dbdbf82SEdward Tomasz Napierala "for redirection", 182992847ee1SAlexander Motin pg->pg_name); 18306dbdbf82SEdward Tomasz Napierala } 18316dbdbf82SEdward Tomasz Napierala pg->pg_unassigned = false; 1832db7bf2baSAlexander Motin } else if (!TAILQ_EMPTY(&pg->pg_ports)) { 1833db7bf2baSAlexander Motin pg->pg_unassigned = false; 18346dbdbf82SEdward Tomasz Napierala } else { 1835009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, "default") != 0) 1836009ea47eSEdward Tomasz Napierala log_warnx("portal-group \"%s\" not assigned " 1837009ea47eSEdward Tomasz Napierala "to any target", pg->pg_name); 1838009ea47eSEdward Tomasz Napierala pg->pg_unassigned = true; 18396dbdbf82SEdward Tomasz Napierala } 1840009ea47eSEdward Tomasz Napierala } 1841009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1842009ea47eSEdward Tomasz Napierala if (ag->ag_name == NULL) 1843009ea47eSEdward Tomasz Napierala assert(ag->ag_target != NULL); 1844009ea47eSEdward Tomasz Napierala else 1845009ea47eSEdward Tomasz Napierala assert(ag->ag_target == NULL); 1846009ea47eSEdward Tomasz Napierala 18474e5c38f8SEdward Tomasz Napierala found = false; 1848009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 18494e5c38f8SEdward Tomasz Napierala if (targ->t_auth_group == ag) { 18504e5c38f8SEdward Tomasz Napierala found = true; 1851009ea47eSEdward Tomasz Napierala break; 1852009ea47eSEdward Tomasz Napierala } 18534e5c38f8SEdward Tomasz Napierala } 185492847ee1SAlexander Motin TAILQ_FOREACH(port, &conf->conf_ports, p_next) { 185592847ee1SAlexander Motin if (port->p_auth_group == ag) { 185692847ee1SAlexander Motin found = true; 185792847ee1SAlexander Motin break; 185892847ee1SAlexander Motin } 185992847ee1SAlexander Motin } 18604e5c38f8SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 18614e5c38f8SEdward Tomasz Napierala if (pg->pg_discovery_auth_group == ag) { 18624e5c38f8SEdward Tomasz Napierala found = true; 18634e5c38f8SEdward Tomasz Napierala break; 18644e5c38f8SEdward Tomasz Napierala } 18654e5c38f8SEdward Tomasz Napierala } 18664e5c38f8SEdward Tomasz Napierala if (!found && ag->ag_name != NULL && 1867ccb1f04dSEdward Tomasz Napierala strcmp(ag->ag_name, "default") != 0 && 1868009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-authentication") != 0 && 1869009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-access") != 0) { 1870009ea47eSEdward Tomasz Napierala log_warnx("auth-group \"%s\" not assigned " 1871009ea47eSEdward Tomasz Napierala "to any target", ag->ag_name); 1872009ea47eSEdward Tomasz Napierala } 1873009ea47eSEdward Tomasz Napierala } 1874009ea47eSEdward Tomasz Napierala 1875009ea47eSEdward Tomasz Napierala return (0); 1876009ea47eSEdward Tomasz Napierala } 1877009ea47eSEdward Tomasz Napierala 1878009ea47eSEdward Tomasz Napierala static int 1879009ea47eSEdward Tomasz Napierala conf_apply(struct conf *oldconf, struct conf *newconf) 1880009ea47eSEdward Tomasz Napierala { 1881009ea47eSEdward Tomasz Napierala struct lun *oldlun, *newlun, *tmplun; 1882009ea47eSEdward Tomasz Napierala struct portal_group *oldpg, *newpg; 1883009ea47eSEdward Tomasz Napierala struct portal *oldp, *newp; 188492847ee1SAlexander Motin struct port *oldport, *newport, *tmpport; 1885829603e2SAlexander Motin struct isns *oldns, *newns; 1886009ea47eSEdward Tomasz Napierala pid_t otherpid; 18878b94b583SAlexander Motin int changed, cumulated_error = 0, error, sockbuf; 1888009ea47eSEdward Tomasz Napierala int one = 1; 1889009ea47eSEdward Tomasz Napierala 1890009ea47eSEdward Tomasz Napierala if (oldconf->conf_debug != newconf->conf_debug) { 1891009ea47eSEdward Tomasz Napierala log_debugx("changing debug level to %d", newconf->conf_debug); 1892009ea47eSEdward Tomasz Napierala log_init(newconf->conf_debug); 1893009ea47eSEdward Tomasz Napierala } 1894009ea47eSEdward Tomasz Napierala 1895009ea47eSEdward Tomasz Napierala if (oldconf->conf_pidfh != NULL) { 1896009ea47eSEdward Tomasz Napierala assert(oldconf->conf_pidfile_path != NULL); 1897009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfile_path != NULL && 1898009ea47eSEdward Tomasz Napierala strcmp(oldconf->conf_pidfile_path, 1899009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path) == 0) { 1900009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = oldconf->conf_pidfh; 1901009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1902009ea47eSEdward Tomasz Napierala } else { 1903009ea47eSEdward Tomasz Napierala log_debugx("removing pidfile %s", 1904009ea47eSEdward Tomasz Napierala oldconf->conf_pidfile_path); 1905009ea47eSEdward Tomasz Napierala pidfile_remove(oldconf->conf_pidfh); 1906009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1907009ea47eSEdward Tomasz Napierala } 1908009ea47eSEdward Tomasz Napierala } 1909009ea47eSEdward Tomasz Napierala 1910009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL && newconf->conf_pidfile_path != NULL) { 1911009ea47eSEdward Tomasz Napierala log_debugx("opening pidfile %s", newconf->conf_pidfile_path); 1912009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = 1913009ea47eSEdward Tomasz Napierala pidfile_open(newconf->conf_pidfile_path, 0600, &otherpid); 1914009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL) { 1915009ea47eSEdward Tomasz Napierala if (errno == EEXIST) 1916009ea47eSEdward Tomasz Napierala log_errx(1, "daemon already running, pid: %jd.", 1917009ea47eSEdward Tomasz Napierala (intmax_t)otherpid); 1918009ea47eSEdward Tomasz Napierala log_err(1, "cannot open or create pidfile \"%s\"", 1919009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path); 1920009ea47eSEdward Tomasz Napierala } 1921009ea47eSEdward Tomasz Napierala } 1922009ea47eSEdward Tomasz Napierala 19236b31e130SAlexander Motin /* 19246b31e130SAlexander Motin * Go through the new portal groups, assigning tags or preserving old. 19256b31e130SAlexander Motin */ 19266b31e130SAlexander Motin TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1927db7bf2baSAlexander Motin if (newpg->pg_tag != 0) 1928db7bf2baSAlexander Motin continue; 19296b31e130SAlexander Motin oldpg = portal_group_find(oldconf, newpg->pg_name); 19306b31e130SAlexander Motin if (oldpg != NULL) 19316b31e130SAlexander Motin newpg->pg_tag = oldpg->pg_tag; 19326b31e130SAlexander Motin else 19336b31e130SAlexander Motin newpg->pg_tag = ++last_portal_group_tag; 19346b31e130SAlexander Motin } 19356b31e130SAlexander Motin 1936829603e2SAlexander Motin /* Deregister on removed iSNS servers. */ 1937829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 1938829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 1939829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 1940829603e2SAlexander Motin break; 1941829603e2SAlexander Motin } 1942829603e2SAlexander Motin if (newns == NULL) 1943829603e2SAlexander Motin isns_deregister(oldns); 1944829603e2SAlexander Motin } 1945829603e2SAlexander Motin 1946d5e316e5SEdward Tomasz Napierala /* 1947d5e316e5SEdward Tomasz Napierala * XXX: If target or lun removal fails, we should somehow "move" 1948d5e316e5SEdward Tomasz Napierala * the old lun or target into newconf, so that subsequent 194961a2a354SEdward Tomasz Napierala * conf_apply() would try to remove them again. That would 195061a2a354SEdward Tomasz Napierala * be somewhat hairy, though, and lun deletion failures don't 195161a2a354SEdward Tomasz Napierala * really happen, so leave it as it is for now. 1952d5e316e5SEdward Tomasz Napierala */ 1953009ea47eSEdward Tomasz Napierala /* 195492847ee1SAlexander Motin * First, remove any ports present in the old configuration 1955009ea47eSEdward Tomasz Napierala * and missing in the new one. 1956009ea47eSEdward Tomasz Napierala */ 195792847ee1SAlexander Motin TAILQ_FOREACH_SAFE(oldport, &oldconf->conf_ports, p_next, tmpport) { 19589215e501SAlexander Motin if (port_is_dummy(oldport)) 1959db7bf2baSAlexander Motin continue; 196092847ee1SAlexander Motin newport = port_find(newconf, oldport->p_name); 19619215e501SAlexander Motin if (newport != NULL && !port_is_dummy(newport)) 1962920c6cbaSAlexander Motin continue; 1963057abcb0SAlexander Motin log_debugx("removing port \"%s\"", oldport->p_name); 196492847ee1SAlexander Motin error = kernel_port_remove(oldport); 19656de78f9fSAlexander Motin if (error != 0) { 196692847ee1SAlexander Motin log_warnx("failed to remove port %s", 196792847ee1SAlexander Motin oldport->p_name); 19686de78f9fSAlexander Motin /* 19696de78f9fSAlexander Motin * XXX: Uncomment after fixing the root cause. 19706de78f9fSAlexander Motin * 19716de78f9fSAlexander Motin * cumulated_error++; 19726de78f9fSAlexander Motin */ 19736de78f9fSAlexander Motin } 1974009ea47eSEdward Tomasz Napierala } 1975009ea47eSEdward Tomasz Napierala 1976009ea47eSEdward Tomasz Napierala /* 1977920c6cbaSAlexander Motin * Second, remove any LUNs present in the old configuration 1978009ea47eSEdward Tomasz Napierala * and missing in the new one. 1979009ea47eSEdward Tomasz Napierala */ 1980920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(oldlun, &oldconf->conf_luns, l_next, tmplun) { 1981920c6cbaSAlexander Motin newlun = lun_find(newconf, oldlun->l_name); 1982009ea47eSEdward Tomasz Napierala if (newlun == NULL) { 1983920c6cbaSAlexander Motin log_debugx("lun \"%s\", CTL lun %d " 1984cadf3831SEdward Tomasz Napierala "not found in new configuration; " 1985920c6cbaSAlexander Motin "removing", oldlun->l_name, oldlun->l_ctl_lun); 1986009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1987009ea47eSEdward Tomasz Napierala if (error != 0) { 1988920c6cbaSAlexander Motin log_warnx("failed to remove lun \"%s\", " 1989920c6cbaSAlexander Motin "CTL lun %d", 1990920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1991009ea47eSEdward Tomasz Napierala cumulated_error++; 1992009ea47eSEdward Tomasz Napierala } 1993009ea47eSEdward Tomasz Napierala continue; 1994009ea47eSEdward Tomasz Napierala } 1995009ea47eSEdward Tomasz Napierala 1996009ea47eSEdward Tomasz Napierala /* 1997009ea47eSEdward Tomasz Napierala * Also remove the LUNs changed by more than size. 1998009ea47eSEdward Tomasz Napierala */ 1999009ea47eSEdward Tomasz Napierala changed = 0; 2000009ea47eSEdward Tomasz Napierala assert(oldlun->l_backend != NULL); 2001009ea47eSEdward Tomasz Napierala assert(newlun->l_backend != NULL); 2002009ea47eSEdward Tomasz Napierala if (strcmp(newlun->l_backend, oldlun->l_backend) != 0) { 2003920c6cbaSAlexander Motin log_debugx("backend for lun \"%s\", " 2004009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 2005920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 2006009ea47eSEdward Tomasz Napierala changed = 1; 2007009ea47eSEdward Tomasz Napierala } 2008009ea47eSEdward Tomasz Napierala if (oldlun->l_blocksize != newlun->l_blocksize) { 2009920c6cbaSAlexander Motin log_debugx("blocksize for lun \"%s\", " 2010009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 2011920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 2012009ea47eSEdward Tomasz Napierala changed = 1; 2013009ea47eSEdward Tomasz Napierala } 2014009ea47eSEdward Tomasz Napierala if (newlun->l_device_id != NULL && 2015009ea47eSEdward Tomasz Napierala (oldlun->l_device_id == NULL || 2016009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_device_id, newlun->l_device_id) != 2017009ea47eSEdward Tomasz Napierala 0)) { 2018920c6cbaSAlexander Motin log_debugx("device-id for lun \"%s\", " 2019009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 2020920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 2021009ea47eSEdward Tomasz Napierala changed = 1; 2022009ea47eSEdward Tomasz Napierala } 2023009ea47eSEdward Tomasz Napierala if (newlun->l_path != NULL && 2024009ea47eSEdward Tomasz Napierala (oldlun->l_path == NULL || 2025009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_path, newlun->l_path) != 0)) { 2026920c6cbaSAlexander Motin log_debugx("path for lun \"%s\", " 2027009ea47eSEdward Tomasz Napierala "CTL lun %d, changed; removing", 2028920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 2029009ea47eSEdward Tomasz Napierala changed = 1; 2030009ea47eSEdward Tomasz Napierala } 2031009ea47eSEdward Tomasz Napierala if (newlun->l_serial != NULL && 2032009ea47eSEdward Tomasz Napierala (oldlun->l_serial == NULL || 2033009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_serial, newlun->l_serial) != 0)) { 2034920c6cbaSAlexander Motin log_debugx("serial for lun \"%s\", " 2035009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 2036920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 2037009ea47eSEdward Tomasz Napierala changed = 1; 2038009ea47eSEdward Tomasz Napierala } 2039009ea47eSEdward Tomasz Napierala if (changed) { 2040009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 2041009ea47eSEdward Tomasz Napierala if (error != 0) { 2042920c6cbaSAlexander Motin log_warnx("failed to remove lun \"%s\", " 2043920c6cbaSAlexander Motin "CTL lun %d", 2044920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 2045009ea47eSEdward Tomasz Napierala cumulated_error++; 2046009ea47eSEdward Tomasz Napierala } 2047009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 2048009ea47eSEdward Tomasz Napierala continue; 2049009ea47eSEdward Tomasz Napierala } 2050009ea47eSEdward Tomasz Napierala 2051009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(newlun, oldlun->l_ctl_lun); 2052009ea47eSEdward Tomasz Napierala } 2053920c6cbaSAlexander Motin 2054920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(newlun, &newconf->conf_luns, l_next, tmplun) { 2055920c6cbaSAlexander Motin oldlun = lun_find(oldconf, newlun->l_name); 2056920c6cbaSAlexander Motin if (oldlun != NULL) { 2057a3977beaSAlexander Motin log_debugx("modifying lun \"%s\", CTL lun %d", 2058920c6cbaSAlexander Motin newlun->l_name, newlun->l_ctl_lun); 2059a3977beaSAlexander Motin error = kernel_lun_modify(newlun); 2060920c6cbaSAlexander Motin if (error != 0) { 2061920c6cbaSAlexander Motin log_warnx("failed to " 2062a3977beaSAlexander Motin "modify lun \"%s\", CTL lun %d", 2063a3977beaSAlexander Motin newlun->l_name, newlun->l_ctl_lun); 2064920c6cbaSAlexander Motin cumulated_error++; 2065920c6cbaSAlexander Motin } 2066920c6cbaSAlexander Motin continue; 2067920c6cbaSAlexander Motin } 2068920c6cbaSAlexander Motin log_debugx("adding lun \"%s\"", newlun->l_name); 2069920c6cbaSAlexander Motin error = kernel_lun_add(newlun); 2070920c6cbaSAlexander Motin if (error != 0) { 2071920c6cbaSAlexander Motin log_warnx("failed to add lun \"%s\"", newlun->l_name); 2072920c6cbaSAlexander Motin lun_delete(newlun); 2073920c6cbaSAlexander Motin cumulated_error++; 2074920c6cbaSAlexander Motin } 2075009ea47eSEdward Tomasz Napierala } 2076009ea47eSEdward Tomasz Napierala 2077009ea47eSEdward Tomasz Napierala /* 207892847ee1SAlexander Motin * Now add new ports or modify existing ones. 2079009ea47eSEdward Tomasz Napierala */ 208092847ee1SAlexander Motin TAILQ_FOREACH(newport, &newconf->conf_ports, p_next) { 20819215e501SAlexander Motin if (port_is_dummy(newport)) 2082db7bf2baSAlexander Motin continue; 208392847ee1SAlexander Motin oldport = port_find(oldconf, newport->p_name); 2084009ea47eSEdward Tomasz Napierala 20859215e501SAlexander Motin if (oldport == NULL || port_is_dummy(oldport)) { 2086057abcb0SAlexander Motin log_debugx("adding port \"%s\"", newport->p_name); 208792847ee1SAlexander Motin error = kernel_port_add(newport); 208892847ee1SAlexander Motin } else { 2089057abcb0SAlexander Motin log_debugx("updating port \"%s\"", newport->p_name); 209092847ee1SAlexander Motin newport->p_ctl_port = oldport->p_ctl_port; 2091828524c1SAlexander Motin error = kernel_port_update(newport, oldport); 2092920c6cbaSAlexander Motin } 2093e48bb73aSEdward Tomasz Napierala if (error != 0) { 209492847ee1SAlexander Motin log_warnx("failed to %s port %s", 209592847ee1SAlexander Motin (oldport == NULL) ? "add" : "update", 209692847ee1SAlexander Motin newport->p_name); 2097e48bb73aSEdward Tomasz Napierala /* 2098e48bb73aSEdward Tomasz Napierala * XXX: Uncomment after fixing the root cause. 2099e48bb73aSEdward Tomasz Napierala * 2100e48bb73aSEdward Tomasz Napierala * cumulated_error++; 2101e48bb73aSEdward Tomasz Napierala */ 2102e48bb73aSEdward Tomasz Napierala } 2103e48bb73aSEdward Tomasz Napierala } 2104009ea47eSEdward Tomasz Napierala 2105009ea47eSEdward Tomasz Napierala /* 2106463a577bSEitan Adler * Go through the new portals, opening the sockets as necessary. 2107009ea47eSEdward Tomasz Napierala */ 2108009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 2109db7bf2baSAlexander Motin if (newpg->pg_foreign) 2110db7bf2baSAlexander Motin continue; 2111009ea47eSEdward Tomasz Napierala if (newpg->pg_unassigned) { 2112009ea47eSEdward Tomasz Napierala log_debugx("not listening on portal-group \"%s\", " 2113009ea47eSEdward Tomasz Napierala "not assigned to any target", 2114009ea47eSEdward Tomasz Napierala newpg->pg_name); 2115009ea47eSEdward Tomasz Napierala continue; 2116009ea47eSEdward Tomasz Napierala } 2117009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newp, &newpg->pg_portals, p_next) { 2118009ea47eSEdward Tomasz Napierala /* 2119009ea47eSEdward Tomasz Napierala * Try to find already open portal and reuse 2120009ea47eSEdward Tomasz Napierala * the listening socket. We don't care about 2121009ea47eSEdward Tomasz Napierala * what portal or portal group that was, what 2122009ea47eSEdward Tomasz Napierala * matters is the listening address. 2123009ea47eSEdward Tomasz Napierala */ 2124009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, 2125009ea47eSEdward Tomasz Napierala pg_next) { 2126009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, 2127009ea47eSEdward Tomasz Napierala p_next) { 2128009ea47eSEdward Tomasz Napierala if (strcmp(newp->p_listen, 2129009ea47eSEdward Tomasz Napierala oldp->p_listen) == 0 && 2130009ea47eSEdward Tomasz Napierala oldp->p_socket > 0) { 2131009ea47eSEdward Tomasz Napierala newp->p_socket = 2132009ea47eSEdward Tomasz Napierala oldp->p_socket; 2133009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 2134009ea47eSEdward Tomasz Napierala break; 2135009ea47eSEdward Tomasz Napierala } 2136009ea47eSEdward Tomasz Napierala } 2137009ea47eSEdward Tomasz Napierala } 2138009ea47eSEdward Tomasz Napierala if (newp->p_socket > 0) { 2139009ea47eSEdward Tomasz Napierala /* 2140009ea47eSEdward Tomasz Napierala * We're done with this portal. 2141009ea47eSEdward Tomasz Napierala */ 2142009ea47eSEdward Tomasz Napierala continue; 2143009ea47eSEdward Tomasz Napierala } 2144009ea47eSEdward Tomasz Napierala 2145009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2146ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 21478cab2ed4SEdward Tomasz Napierala newpg->pg_conf->conf_portal_id++; 21488cab2ed4SEdward Tomasz Napierala newp->p_id = newpg->pg_conf->conf_portal_id; 21498cab2ed4SEdward Tomasz Napierala log_debugx("listening on %s, portal-group " 21508cab2ed4SEdward Tomasz Napierala "\"%s\", portal id %d, using ICL proxy", 21518cab2ed4SEdward Tomasz Napierala newp->p_listen, newpg->pg_name, newp->p_id); 21528cab2ed4SEdward Tomasz Napierala kernel_listen(newp->p_ai, newp->p_iser, 21538cab2ed4SEdward Tomasz Napierala newp->p_id); 2154ba3a2d31SEdward Tomasz Napierala continue; 2155ba3a2d31SEdward Tomasz Napierala } 2156ba3a2d31SEdward Tomasz Napierala #endif 2157ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 2158009ea47eSEdward Tomasz Napierala assert(newp->p_iser == false); 2159009ea47eSEdward Tomasz Napierala 2160009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\"", 2161009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 2162009ea47eSEdward Tomasz Napierala newp->p_socket = socket(newp->p_ai->ai_family, 2163009ea47eSEdward Tomasz Napierala newp->p_ai->ai_socktype, 2164009ea47eSEdward Tomasz Napierala newp->p_ai->ai_protocol); 2165009ea47eSEdward Tomasz Napierala if (newp->p_socket < 0) { 2166009ea47eSEdward Tomasz Napierala log_warn("socket(2) failed for %s", 2167009ea47eSEdward Tomasz Napierala newp->p_listen); 2168009ea47eSEdward Tomasz Napierala cumulated_error++; 2169009ea47eSEdward Tomasz Napierala continue; 2170009ea47eSEdward Tomasz Napierala } 21718b94b583SAlexander Motin sockbuf = SOCKBUF_SIZE; 21728b94b583SAlexander Motin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_RCVBUF, 21738b94b583SAlexander Motin &sockbuf, sizeof(sockbuf)) == -1) 21748b94b583SAlexander Motin log_warn("setsockopt(SO_RCVBUF) failed " 21758b94b583SAlexander Motin "for %s", newp->p_listen); 21768b94b583SAlexander Motin sockbuf = SOCKBUF_SIZE; 21778b94b583SAlexander Motin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_SNDBUF, 21788b94b583SAlexander Motin &sockbuf, sizeof(sockbuf)) == -1) 21798b94b583SAlexander Motin log_warn("setsockopt(SO_SNDBUF) failed " 21808b94b583SAlexander Motin "for %s", newp->p_listen); 2181*3b5f95d7SJohn Baldwin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_NO_DDP, 2182*3b5f95d7SJohn Baldwin &one, sizeof(one)) == -1) 2183*3b5f95d7SJohn Baldwin log_warn("setsockopt(SO_NO_DDP) failed " 2184*3b5f95d7SJohn Baldwin "for %s", newp->p_listen); 2185009ea47eSEdward Tomasz Napierala error = setsockopt(newp->p_socket, SOL_SOCKET, 2186009ea47eSEdward Tomasz Napierala SO_REUSEADDR, &one, sizeof(one)); 2187009ea47eSEdward Tomasz Napierala if (error != 0) { 2188009ea47eSEdward Tomasz Napierala log_warn("setsockopt(SO_REUSEADDR) failed " 2189009ea47eSEdward Tomasz Napierala "for %s", newp->p_listen); 2190009ea47eSEdward Tomasz Napierala close(newp->p_socket); 2191009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 2192009ea47eSEdward Tomasz Napierala cumulated_error++; 2193009ea47eSEdward Tomasz Napierala continue; 2194009ea47eSEdward Tomasz Napierala } 219564ffe6d4SRichard Scheffenegger if (newpg->pg_dscp != -1) { 219664ffe6d4SRichard Scheffenegger struct sockaddr sa; 219764ffe6d4SRichard Scheffenegger int len = sizeof(sa); 219864ffe6d4SRichard Scheffenegger getsockname(newp->p_socket, &sa, &len); 219964ffe6d4SRichard Scheffenegger /* 220064ffe6d4SRichard Scheffenegger * Only allow the 6-bit DSCP 220164ffe6d4SRichard Scheffenegger * field to be modified 220264ffe6d4SRichard Scheffenegger */ 220364ffe6d4SRichard Scheffenegger int tos = newpg->pg_dscp << 2; 220464ffe6d4SRichard Scheffenegger if (sa.sa_family == AF_INET) { 220564ffe6d4SRichard Scheffenegger if (setsockopt(newp->p_socket, 220664ffe6d4SRichard Scheffenegger IPPROTO_IP, IP_TOS, 220764ffe6d4SRichard Scheffenegger &tos, sizeof(tos)) == -1) 220864ffe6d4SRichard Scheffenegger log_warn("setsockopt(IP_TOS) " 220964ffe6d4SRichard Scheffenegger "failed for %s", 221064ffe6d4SRichard Scheffenegger newp->p_listen); 221164ffe6d4SRichard Scheffenegger } else 221264ffe6d4SRichard Scheffenegger if (sa.sa_family == AF_INET6) { 221364ffe6d4SRichard Scheffenegger if (setsockopt(newp->p_socket, 221464ffe6d4SRichard Scheffenegger IPPROTO_IPV6, IPV6_TCLASS, 221564ffe6d4SRichard Scheffenegger &tos, sizeof(tos)) == -1) 221664ffe6d4SRichard Scheffenegger log_warn("setsockopt(IPV6_TCLASS) " 221764ffe6d4SRichard Scheffenegger "failed for %s", 221864ffe6d4SRichard Scheffenegger newp->p_listen); 221964ffe6d4SRichard Scheffenegger } 222064ffe6d4SRichard Scheffenegger } 2221ea8f1280SRichard Scheffenegger if (newpg->pg_pcp != -1) { 2222ea8f1280SRichard Scheffenegger struct sockaddr sa; 2223ea8f1280SRichard Scheffenegger int len = sizeof(sa); 2224ea8f1280SRichard Scheffenegger getsockname(newp->p_socket, &sa, &len); 2225ea8f1280SRichard Scheffenegger /* 2226ea8f1280SRichard Scheffenegger * Only allow the 6-bit DSCP 2227ea8f1280SRichard Scheffenegger * field to be modified 2228ea8f1280SRichard Scheffenegger */ 2229ea8f1280SRichard Scheffenegger int pcp = newpg->pg_pcp; 2230ea8f1280SRichard Scheffenegger if (sa.sa_family == AF_INET) { 2231ea8f1280SRichard Scheffenegger if (setsockopt(newp->p_socket, 2232ea8f1280SRichard Scheffenegger IPPROTO_IP, IP_VLAN_PCP, 2233ea8f1280SRichard Scheffenegger &pcp, sizeof(pcp)) == -1) 2234ea8f1280SRichard Scheffenegger log_warn("setsockopt(IP_VLAN_PCP) " 2235ea8f1280SRichard Scheffenegger "failed for %s", 2236ea8f1280SRichard Scheffenegger newp->p_listen); 2237ea8f1280SRichard Scheffenegger } else 2238ea8f1280SRichard Scheffenegger if (sa.sa_family == AF_INET6) { 2239ea8f1280SRichard Scheffenegger if (setsockopt(newp->p_socket, 2240ea8f1280SRichard Scheffenegger IPPROTO_IPV6, IPV6_VLAN_PCP, 2241ea8f1280SRichard Scheffenegger &pcp, sizeof(pcp)) == -1) 2242ea8f1280SRichard Scheffenegger log_warn("setsockopt(IPV6_VLAN_PCP) " 2243ea8f1280SRichard Scheffenegger "failed for %s", 2244ea8f1280SRichard Scheffenegger newp->p_listen); 2245ea8f1280SRichard Scheffenegger } 2246ea8f1280SRichard Scheffenegger } 2247009ea47eSEdward Tomasz Napierala error = bind(newp->p_socket, newp->p_ai->ai_addr, 2248009ea47eSEdward Tomasz Napierala newp->p_ai->ai_addrlen); 2249009ea47eSEdward Tomasz Napierala if (error != 0) { 2250009ea47eSEdward Tomasz Napierala log_warn("bind(2) failed for %s", 2251009ea47eSEdward Tomasz Napierala newp->p_listen); 2252009ea47eSEdward Tomasz Napierala close(newp->p_socket); 2253009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 2254009ea47eSEdward Tomasz Napierala cumulated_error++; 2255009ea47eSEdward Tomasz Napierala continue; 2256009ea47eSEdward Tomasz Napierala } 2257009ea47eSEdward Tomasz Napierala error = listen(newp->p_socket, -1); 2258009ea47eSEdward Tomasz Napierala if (error != 0) { 2259009ea47eSEdward Tomasz Napierala log_warn("listen(2) failed for %s", 2260009ea47eSEdward Tomasz Napierala newp->p_listen); 2261009ea47eSEdward Tomasz Napierala close(newp->p_socket); 2262009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 2263009ea47eSEdward Tomasz Napierala cumulated_error++; 2264009ea47eSEdward Tomasz Napierala continue; 2265009ea47eSEdward Tomasz Napierala } 2266009ea47eSEdward Tomasz Napierala } 2267009ea47eSEdward Tomasz Napierala } 2268009ea47eSEdward Tomasz Napierala 2269009ea47eSEdward Tomasz Napierala /* 2270009ea47eSEdward Tomasz Napierala * Go through the no longer used sockets, closing them. 2271009ea47eSEdward Tomasz Napierala */ 2272009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, pg_next) { 2273009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, p_next) { 2274009ea47eSEdward Tomasz Napierala if (oldp->p_socket <= 0) 2275009ea47eSEdward Tomasz Napierala continue; 2276009ea47eSEdward Tomasz Napierala log_debugx("closing socket for %s, portal-group \"%s\"", 2277009ea47eSEdward Tomasz Napierala oldp->p_listen, oldpg->pg_name); 2278009ea47eSEdward Tomasz Napierala close(oldp->p_socket); 2279009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 2280009ea47eSEdward Tomasz Napierala } 2281009ea47eSEdward Tomasz Napierala } 2282009ea47eSEdward Tomasz Napierala 2283829603e2SAlexander Motin /* (Re-)Register on remaining/new iSNS servers. */ 2284829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 2285829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 2286829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 2287829603e2SAlexander Motin break; 2288829603e2SAlexander Motin } 2289829603e2SAlexander Motin isns_register(newns, oldns); 2290829603e2SAlexander Motin } 2291829603e2SAlexander Motin 2292829603e2SAlexander Motin /* Schedule iSNS update */ 2293829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 2294829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 2295829603e2SAlexander Motin 2296009ea47eSEdward Tomasz Napierala return (cumulated_error); 2297009ea47eSEdward Tomasz Napierala } 2298009ea47eSEdward Tomasz Napierala 2299009ea47eSEdward Tomasz Napierala bool 2300009ea47eSEdward Tomasz Napierala timed_out(void) 2301009ea47eSEdward Tomasz Napierala { 2302009ea47eSEdward Tomasz Napierala 2303009ea47eSEdward Tomasz Napierala return (sigalrm_received); 2304009ea47eSEdward Tomasz Napierala } 2305009ea47eSEdward Tomasz Napierala 2306009ea47eSEdward Tomasz Napierala static void 2307829603e2SAlexander Motin sigalrm_handler_fatal(int dummy __unused) 2308009ea47eSEdward Tomasz Napierala { 2309009ea47eSEdward Tomasz Napierala /* 2310009ea47eSEdward Tomasz Napierala * It would be easiest to just log an error and exit. We can't 2311009ea47eSEdward Tomasz Napierala * do this, though, because log_errx() is not signal safe, since 2312009ea47eSEdward Tomasz Napierala * it calls syslog(3). Instead, set a flag checked by pdu_send() 2313009ea47eSEdward Tomasz Napierala * and pdu_receive(), to call log_errx() there. Should they fail 2314009ea47eSEdward Tomasz Napierala * to notice, we'll exit here one second later. 2315009ea47eSEdward Tomasz Napierala */ 2316009ea47eSEdward Tomasz Napierala if (sigalrm_received) { 2317009ea47eSEdward Tomasz Napierala /* 2318009ea47eSEdward Tomasz Napierala * Oh well. Just give up and quit. 2319009ea47eSEdward Tomasz Napierala */ 2320009ea47eSEdward Tomasz Napierala _exit(2); 2321009ea47eSEdward Tomasz Napierala } 2322009ea47eSEdward Tomasz Napierala 2323009ea47eSEdward Tomasz Napierala sigalrm_received = true; 2324009ea47eSEdward Tomasz Napierala } 2325009ea47eSEdward Tomasz Napierala 2326009ea47eSEdward Tomasz Napierala static void 2327829603e2SAlexander Motin sigalrm_handler(int dummy __unused) 2328829603e2SAlexander Motin { 2329829603e2SAlexander Motin 2330829603e2SAlexander Motin sigalrm_received = true; 2331829603e2SAlexander Motin } 2332829603e2SAlexander Motin 2333829603e2SAlexander Motin void 2334829603e2SAlexander Motin set_timeout(int timeout, int fatal) 2335009ea47eSEdward Tomasz Napierala { 2336009ea47eSEdward Tomasz Napierala struct sigaction sa; 2337009ea47eSEdward Tomasz Napierala struct itimerval itv; 2338009ea47eSEdward Tomasz Napierala int error; 2339009ea47eSEdward Tomasz Napierala 2340829603e2SAlexander Motin if (timeout <= 0) { 2341009ea47eSEdward Tomasz Napierala log_debugx("session timeout disabled"); 2342829603e2SAlexander Motin bzero(&itv, sizeof(itv)); 2343829603e2SAlexander Motin error = setitimer(ITIMER_REAL, &itv, NULL); 2344829603e2SAlexander Motin if (error != 0) 2345829603e2SAlexander Motin log_err(1, "setitimer"); 2346829603e2SAlexander Motin sigalrm_received = false; 2347009ea47eSEdward Tomasz Napierala return; 2348009ea47eSEdward Tomasz Napierala } 2349009ea47eSEdward Tomasz Napierala 2350829603e2SAlexander Motin sigalrm_received = false; 2351009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2352829603e2SAlexander Motin if (fatal) 2353829603e2SAlexander Motin sa.sa_handler = sigalrm_handler_fatal; 2354829603e2SAlexander Motin else 2355009ea47eSEdward Tomasz Napierala sa.sa_handler = sigalrm_handler; 2356009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2357009ea47eSEdward Tomasz Napierala error = sigaction(SIGALRM, &sa, NULL); 2358009ea47eSEdward Tomasz Napierala if (error != 0) 2359009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2360009ea47eSEdward Tomasz Napierala 2361009ea47eSEdward Tomasz Napierala /* 2362009ea47eSEdward Tomasz Napierala * First SIGALRM will arive after conf_timeout seconds. 2363009ea47eSEdward Tomasz Napierala * If we do nothing, another one will arrive a second later. 2364009ea47eSEdward Tomasz Napierala */ 2365829603e2SAlexander Motin log_debugx("setting session timeout to %d seconds", timeout); 2366009ea47eSEdward Tomasz Napierala bzero(&itv, sizeof(itv)); 2367009ea47eSEdward Tomasz Napierala itv.it_interval.tv_sec = 1; 2368829603e2SAlexander Motin itv.it_value.tv_sec = timeout; 2369009ea47eSEdward Tomasz Napierala error = setitimer(ITIMER_REAL, &itv, NULL); 2370009ea47eSEdward Tomasz Napierala if (error != 0) 2371009ea47eSEdward Tomasz Napierala log_err(1, "setitimer"); 2372009ea47eSEdward Tomasz Napierala } 2373009ea47eSEdward Tomasz Napierala 2374009ea47eSEdward Tomasz Napierala static int 2375009ea47eSEdward Tomasz Napierala wait_for_children(bool block) 2376009ea47eSEdward Tomasz Napierala { 2377009ea47eSEdward Tomasz Napierala pid_t pid; 2378009ea47eSEdward Tomasz Napierala int status; 2379009ea47eSEdward Tomasz Napierala int num = 0; 2380009ea47eSEdward Tomasz Napierala 2381009ea47eSEdward Tomasz Napierala for (;;) { 2382009ea47eSEdward Tomasz Napierala /* 2383009ea47eSEdward Tomasz Napierala * If "block" is true, wait for at least one process. 2384009ea47eSEdward Tomasz Napierala */ 2385009ea47eSEdward Tomasz Napierala if (block && num == 0) 2386009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, 0, NULL); 2387009ea47eSEdward Tomasz Napierala else 2388009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, WNOHANG, NULL); 2389009ea47eSEdward Tomasz Napierala if (pid <= 0) 2390009ea47eSEdward Tomasz Napierala break; 2391009ea47eSEdward Tomasz Napierala if (WIFSIGNALED(status)) { 2392009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with signal %d", 2393009ea47eSEdward Tomasz Napierala pid, WTERMSIG(status)); 2394009ea47eSEdward Tomasz Napierala } else if (WEXITSTATUS(status) != 0) { 2395009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with exit status %d", 2396009ea47eSEdward Tomasz Napierala pid, WEXITSTATUS(status)); 2397009ea47eSEdward Tomasz Napierala } else { 2398009ea47eSEdward Tomasz Napierala log_debugx("child process %d terminated gracefully", pid); 2399009ea47eSEdward Tomasz Napierala } 2400009ea47eSEdward Tomasz Napierala num++; 2401009ea47eSEdward Tomasz Napierala } 2402009ea47eSEdward Tomasz Napierala 2403009ea47eSEdward Tomasz Napierala return (num); 2404009ea47eSEdward Tomasz Napierala } 2405009ea47eSEdward Tomasz Napierala 2406009ea47eSEdward Tomasz Napierala static void 24078eab95d6SEdward Tomasz Napierala handle_connection(struct portal *portal, int fd, 2408073edb1cSAlexander Motin const struct sockaddr *client_sa, bool dont_fork) 2409009ea47eSEdward Tomasz Napierala { 2410009ea47eSEdward Tomasz Napierala struct connection *conn; 2411009ea47eSEdward Tomasz Napierala int error; 2412009ea47eSEdward Tomasz Napierala pid_t pid; 2413009ea47eSEdward Tomasz Napierala char host[NI_MAXHOST + 1]; 2414009ea47eSEdward Tomasz Napierala struct conf *conf; 2415009ea47eSEdward Tomasz Napierala 2416009ea47eSEdward Tomasz Napierala conf = portal->p_portal_group->pg_conf; 2417009ea47eSEdward Tomasz Napierala 2418009ea47eSEdward Tomasz Napierala if (dont_fork) { 2419009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; not forking due to -d flag"); 2420009ea47eSEdward Tomasz Napierala } else { 2421009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2422009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2423009ea47eSEdward Tomasz Napierala 2424009ea47eSEdward Tomasz Napierala while (conf->conf_maxproc > 0 && nchildren >= conf->conf_maxproc) { 2425009ea47eSEdward Tomasz Napierala log_debugx("maxproc limit of %d child processes hit; " 2426009ea47eSEdward Tomasz Napierala "waiting for child process to exit", conf->conf_maxproc); 2427009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(true); 2428009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2429009ea47eSEdward Tomasz Napierala } 2430009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; forking child process #%d", 2431009ea47eSEdward Tomasz Napierala nchildren); 2432009ea47eSEdward Tomasz Napierala nchildren++; 2433009ea47eSEdward Tomasz Napierala pid = fork(); 2434009ea47eSEdward Tomasz Napierala if (pid < 0) 2435009ea47eSEdward Tomasz Napierala log_err(1, "fork"); 2436009ea47eSEdward Tomasz Napierala if (pid > 0) { 2437009ea47eSEdward Tomasz Napierala close(fd); 2438009ea47eSEdward Tomasz Napierala return; 2439009ea47eSEdward Tomasz Napierala } 2440009ea47eSEdward Tomasz Napierala } 2441009ea47eSEdward Tomasz Napierala pidfile_close(conf->conf_pidfh); 2442009ea47eSEdward Tomasz Napierala 2443073edb1cSAlexander Motin error = getnameinfo(client_sa, client_sa->sa_len, 2444009ea47eSEdward Tomasz Napierala host, sizeof(host), NULL, 0, NI_NUMERICHOST); 2445009ea47eSEdward Tomasz Napierala if (error != 0) 24469a95cfffSEdward Tomasz Napierala log_errx(1, "getnameinfo: %s", gai_strerror(error)); 2447009ea47eSEdward Tomasz Napierala 2448009ea47eSEdward Tomasz Napierala log_debugx("accepted connection from %s; portal group \"%s\"", 2449009ea47eSEdward Tomasz Napierala host, portal->p_portal_group->pg_name); 2450009ea47eSEdward Tomasz Napierala log_set_peer_addr(host); 2451009ea47eSEdward Tomasz Napierala setproctitle("%s", host); 2452009ea47eSEdward Tomasz Napierala 2453073edb1cSAlexander Motin conn = connection_new(portal, fd, host, client_sa); 2454829603e2SAlexander Motin set_timeout(conf->conf_timeout, true); 2455009ea47eSEdward Tomasz Napierala kernel_capsicate(); 2456009ea47eSEdward Tomasz Napierala login(conn); 2457009ea47eSEdward Tomasz Napierala if (conn->conn_session_type == CONN_SESSION_TYPE_NORMAL) { 2458009ea47eSEdward Tomasz Napierala kernel_handoff(conn); 2459009ea47eSEdward Tomasz Napierala log_debugx("connection handed off to the kernel"); 2460009ea47eSEdward Tomasz Napierala } else { 2461009ea47eSEdward Tomasz Napierala assert(conn->conn_session_type == CONN_SESSION_TYPE_DISCOVERY); 2462009ea47eSEdward Tomasz Napierala discovery(conn); 2463009ea47eSEdward Tomasz Napierala } 2464009ea47eSEdward Tomasz Napierala log_debugx("nothing more to do; exiting"); 2465009ea47eSEdward Tomasz Napierala exit(0); 2466009ea47eSEdward Tomasz Napierala } 2467009ea47eSEdward Tomasz Napierala 2468009ea47eSEdward Tomasz Napierala static int 2469009ea47eSEdward Tomasz Napierala fd_add(int fd, fd_set *fdset, int nfds) 2470009ea47eSEdward Tomasz Napierala { 2471009ea47eSEdward Tomasz Napierala 2472009ea47eSEdward Tomasz Napierala /* 2473009ea47eSEdward Tomasz Napierala * Skip sockets which we failed to bind. 2474009ea47eSEdward Tomasz Napierala */ 2475009ea47eSEdward Tomasz Napierala if (fd <= 0) 2476009ea47eSEdward Tomasz Napierala return (nfds); 2477009ea47eSEdward Tomasz Napierala 2478009ea47eSEdward Tomasz Napierala FD_SET(fd, fdset); 2479009ea47eSEdward Tomasz Napierala if (fd > nfds) 2480009ea47eSEdward Tomasz Napierala nfds = fd; 2481009ea47eSEdward Tomasz Napierala return (nfds); 2482009ea47eSEdward Tomasz Napierala } 2483009ea47eSEdward Tomasz Napierala 2484009ea47eSEdward Tomasz Napierala static void 2485009ea47eSEdward Tomasz Napierala main_loop(struct conf *conf, bool dont_fork) 2486009ea47eSEdward Tomasz Napierala { 2487009ea47eSEdward Tomasz Napierala struct portal_group *pg; 2488009ea47eSEdward Tomasz Napierala struct portal *portal; 24899a95cfffSEdward Tomasz Napierala struct sockaddr_storage client_sa; 24909a95cfffSEdward Tomasz Napierala socklen_t client_salen; 2491009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2492009ea47eSEdward Tomasz Napierala int connection_id; 24938cab2ed4SEdward Tomasz Napierala int portal_id; 2494ba3a2d31SEdward Tomasz Napierala #endif 2495009ea47eSEdward Tomasz Napierala fd_set fdset; 2496009ea47eSEdward Tomasz Napierala int error, nfds, client_fd; 2497009ea47eSEdward Tomasz Napierala 2498009ea47eSEdward Tomasz Napierala pidfile_write(conf->conf_pidfh); 2499009ea47eSEdward Tomasz Napierala 2500009ea47eSEdward Tomasz Napierala for (;;) { 2501829603e2SAlexander Motin if (sighup_received || sigterm_received || timed_out()) 2502009ea47eSEdward Tomasz Napierala return; 2503009ea47eSEdward Tomasz Napierala 2504009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2505ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 25068eab95d6SEdward Tomasz Napierala client_salen = sizeof(client_sa); 25078eab95d6SEdward Tomasz Napierala kernel_accept(&connection_id, &portal_id, 25088eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, &client_salen); 25090488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 2510009ea47eSEdward Tomasz Napierala 25118cab2ed4SEdward Tomasz Napierala log_debugx("incoming connection, id %d, portal id %d", 25128cab2ed4SEdward Tomasz Napierala connection_id, portal_id); 25138cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 25148cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 25158cab2ed4SEdward Tomasz Napierala if (portal->p_id == portal_id) { 25168cab2ed4SEdward Tomasz Napierala goto found; 25178cab2ed4SEdward Tomasz Napierala } 25188cab2ed4SEdward Tomasz Napierala } 25198cab2ed4SEdward Tomasz Napierala } 2520009ea47eSEdward Tomasz Napierala 25218cab2ed4SEdward Tomasz Napierala log_errx(1, "kernel returned invalid portal_id %d", 25228cab2ed4SEdward Tomasz Napierala portal_id); 25238cab2ed4SEdward Tomasz Napierala 25248cab2ed4SEdward Tomasz Napierala found: 25258eab95d6SEdward Tomasz Napierala handle_connection(portal, connection_id, 2526073edb1cSAlexander Motin (struct sockaddr *)&client_sa, dont_fork); 2527ba3a2d31SEdward Tomasz Napierala } else { 2528ba3a2d31SEdward Tomasz Napierala #endif 2529ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 2530ba3a2d31SEdward Tomasz Napierala 2531009ea47eSEdward Tomasz Napierala FD_ZERO(&fdset); 2532009ea47eSEdward Tomasz Napierala nfds = 0; 2533009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2534009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 2535009ea47eSEdward Tomasz Napierala nfds = fd_add(portal->p_socket, &fdset, nfds); 2536009ea47eSEdward Tomasz Napierala } 2537009ea47eSEdward Tomasz Napierala error = select(nfds + 1, &fdset, NULL, NULL, NULL); 2538009ea47eSEdward Tomasz Napierala if (error <= 0) { 2539009ea47eSEdward Tomasz Napierala if (errno == EINTR) 2540009ea47eSEdward Tomasz Napierala return; 2541009ea47eSEdward Tomasz Napierala log_err(1, "select"); 2542009ea47eSEdward Tomasz Napierala } 2543009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2544009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 2545009ea47eSEdward Tomasz Napierala if (!FD_ISSET(portal->p_socket, &fdset)) 2546009ea47eSEdward Tomasz Napierala continue; 25479a95cfffSEdward Tomasz Napierala client_salen = sizeof(client_sa); 25489a95cfffSEdward Tomasz Napierala client_fd = accept(portal->p_socket, 25499a95cfffSEdward Tomasz Napierala (struct sockaddr *)&client_sa, 25509a95cfffSEdward Tomasz Napierala &client_salen); 255183dd77c3SAlexander Motin if (client_fd < 0) { 255283dd77c3SAlexander Motin if (errno == ECONNABORTED) 255383dd77c3SAlexander Motin continue; 2554009ea47eSEdward Tomasz Napierala log_err(1, "accept"); 255583dd77c3SAlexander Motin } 25560488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 25570488e848SEdward Tomasz Napierala 25589a95cfffSEdward Tomasz Napierala handle_connection(portal, client_fd, 25598eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, 2560073edb1cSAlexander Motin dont_fork); 2561009ea47eSEdward Tomasz Napierala break; 2562009ea47eSEdward Tomasz Napierala } 2563009ea47eSEdward Tomasz Napierala } 2564ba3a2d31SEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2565ba3a2d31SEdward Tomasz Napierala } 2566ba3a2d31SEdward Tomasz Napierala #endif 2567009ea47eSEdward Tomasz Napierala } 2568009ea47eSEdward Tomasz Napierala } 2569009ea47eSEdward Tomasz Napierala 2570009ea47eSEdward Tomasz Napierala static void 2571009ea47eSEdward Tomasz Napierala sighup_handler(int dummy __unused) 2572009ea47eSEdward Tomasz Napierala { 2573009ea47eSEdward Tomasz Napierala 2574009ea47eSEdward Tomasz Napierala sighup_received = true; 2575009ea47eSEdward Tomasz Napierala } 2576009ea47eSEdward Tomasz Napierala 2577009ea47eSEdward Tomasz Napierala static void 2578009ea47eSEdward Tomasz Napierala sigterm_handler(int dummy __unused) 2579009ea47eSEdward Tomasz Napierala { 2580009ea47eSEdward Tomasz Napierala 2581009ea47eSEdward Tomasz Napierala sigterm_received = true; 2582009ea47eSEdward Tomasz Napierala } 2583009ea47eSEdward Tomasz Napierala 2584009ea47eSEdward Tomasz Napierala static void 258570b939ecSEdward Tomasz Napierala sigchld_handler(int dummy __unused) 258670b939ecSEdward Tomasz Napierala { 258770b939ecSEdward Tomasz Napierala 258870b939ecSEdward Tomasz Napierala /* 258970b939ecSEdward Tomasz Napierala * The only purpose of this handler is to make SIGCHLD 259070b939ecSEdward Tomasz Napierala * interrupt the ISCSIDWAIT ioctl(2), so we can call 259170b939ecSEdward Tomasz Napierala * wait_for_children(). 259270b939ecSEdward Tomasz Napierala */ 259370b939ecSEdward Tomasz Napierala } 259470b939ecSEdward Tomasz Napierala 259570b939ecSEdward Tomasz Napierala static void 2596009ea47eSEdward Tomasz Napierala register_signals(void) 2597009ea47eSEdward Tomasz Napierala { 2598009ea47eSEdward Tomasz Napierala struct sigaction sa; 2599009ea47eSEdward Tomasz Napierala int error; 2600009ea47eSEdward Tomasz Napierala 2601009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2602009ea47eSEdward Tomasz Napierala sa.sa_handler = sighup_handler; 2603009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2604009ea47eSEdward Tomasz Napierala error = sigaction(SIGHUP, &sa, NULL); 2605009ea47eSEdward Tomasz Napierala if (error != 0) 2606009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2607009ea47eSEdward Tomasz Napierala 2608009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2609009ea47eSEdward Tomasz Napierala error = sigaction(SIGTERM, &sa, NULL); 2610009ea47eSEdward Tomasz Napierala if (error != 0) 2611009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2612009ea47eSEdward Tomasz Napierala 2613009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2614009ea47eSEdward Tomasz Napierala error = sigaction(SIGINT, &sa, NULL); 2615009ea47eSEdward Tomasz Napierala if (error != 0) 2616009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 261770b939ecSEdward Tomasz Napierala 261870b939ecSEdward Tomasz Napierala sa.sa_handler = sigchld_handler; 261970b939ecSEdward Tomasz Napierala error = sigaction(SIGCHLD, &sa, NULL); 262070b939ecSEdward Tomasz Napierala if (error != 0) 262170b939ecSEdward Tomasz Napierala log_err(1, "sigaction"); 2622009ea47eSEdward Tomasz Napierala } 2623009ea47eSEdward Tomasz Napierala 26245c734b04SJakub Wojciech Klama static void 26255c734b04SJakub Wojciech Klama check_perms(const char *path) 26265c734b04SJakub Wojciech Klama { 26275c734b04SJakub Wojciech Klama struct stat sb; 26285c734b04SJakub Wojciech Klama int error; 26295c734b04SJakub Wojciech Klama 26305c734b04SJakub Wojciech Klama error = stat(path, &sb); 26315c734b04SJakub Wojciech Klama if (error != 0) { 26325c734b04SJakub Wojciech Klama log_warn("stat"); 26335c734b04SJakub Wojciech Klama return; 26345c734b04SJakub Wojciech Klama } 26355c734b04SJakub Wojciech Klama if (sb.st_mode & S_IWOTH) { 26365c734b04SJakub Wojciech Klama log_warnx("%s is world-writable", path); 26375c734b04SJakub Wojciech Klama } else if (sb.st_mode & S_IROTH) { 26385c734b04SJakub Wojciech Klama log_warnx("%s is world-readable", path); 26395c734b04SJakub Wojciech Klama } else if (sb.st_mode & S_IXOTH) { 26405c734b04SJakub Wojciech Klama /* 26415c734b04SJakub Wojciech Klama * Ok, this one doesn't matter, but still do it, 26425c734b04SJakub Wojciech Klama * just for consistency. 26435c734b04SJakub Wojciech Klama */ 26445c734b04SJakub Wojciech Klama log_warnx("%s is world-executable", path); 26455c734b04SJakub Wojciech Klama } 26465c734b04SJakub Wojciech Klama 26475c734b04SJakub Wojciech Klama /* 26485c734b04SJakub Wojciech Klama * XXX: Should we also check for owner != 0? 26495c734b04SJakub Wojciech Klama */ 26505c734b04SJakub Wojciech Klama } 26515c734b04SJakub Wojciech Klama 26525c734b04SJakub Wojciech Klama static struct conf * 26535c734b04SJakub Wojciech Klama conf_new_from_file(const char *path, struct conf *oldconf, bool ucl) 26545c734b04SJakub Wojciech Klama { 26555c734b04SJakub Wojciech Klama struct conf *conf; 26565c734b04SJakub Wojciech Klama struct auth_group *ag; 26575c734b04SJakub Wojciech Klama struct portal_group *pg; 26585c734b04SJakub Wojciech Klama struct pport *pp; 26595c734b04SJakub Wojciech Klama int error; 26605c734b04SJakub Wojciech Klama 26615c734b04SJakub Wojciech Klama log_debugx("obtaining configuration from %s", path); 26625c734b04SJakub Wojciech Klama 26635c734b04SJakub Wojciech Klama conf = conf_new(); 26645c734b04SJakub Wojciech Klama 26655c734b04SJakub Wojciech Klama TAILQ_FOREACH(pp, &oldconf->conf_pports, pp_next) 26665c734b04SJakub Wojciech Klama pport_copy(pp, conf); 26675c734b04SJakub Wojciech Klama 26685c734b04SJakub Wojciech Klama ag = auth_group_new(conf, "default"); 26695c734b04SJakub Wojciech Klama assert(ag != NULL); 26705c734b04SJakub Wojciech Klama 26715c734b04SJakub Wojciech Klama ag = auth_group_new(conf, "no-authentication"); 26725c734b04SJakub Wojciech Klama assert(ag != NULL); 26735c734b04SJakub Wojciech Klama ag->ag_type = AG_TYPE_NO_AUTHENTICATION; 26745c734b04SJakub Wojciech Klama 26755c734b04SJakub Wojciech Klama ag = auth_group_new(conf, "no-access"); 26765c734b04SJakub Wojciech Klama assert(ag != NULL); 26775c734b04SJakub Wojciech Klama ag->ag_type = AG_TYPE_DENY; 26785c734b04SJakub Wojciech Klama 26795c734b04SJakub Wojciech Klama pg = portal_group_new(conf, "default"); 26805c734b04SJakub Wojciech Klama assert(pg != NULL); 26815c734b04SJakub Wojciech Klama 26825c734b04SJakub Wojciech Klama if (ucl) 26835c734b04SJakub Wojciech Klama error = uclparse_conf(conf, path); 26845c734b04SJakub Wojciech Klama else 26855c734b04SJakub Wojciech Klama error = parse_conf(conf, path); 26865c734b04SJakub Wojciech Klama 26875c734b04SJakub Wojciech Klama if (error != 0) { 26885c734b04SJakub Wojciech Klama conf_delete(conf); 26895c734b04SJakub Wojciech Klama return (NULL); 26905c734b04SJakub Wojciech Klama } 26915c734b04SJakub Wojciech Klama 26925c734b04SJakub Wojciech Klama check_perms(path); 26935c734b04SJakub Wojciech Klama 26945c734b04SJakub Wojciech Klama if (conf->conf_default_ag_defined == false) { 26955c734b04SJakub Wojciech Klama log_debugx("auth-group \"default\" not defined; " 26965c734b04SJakub Wojciech Klama "going with defaults"); 26975c734b04SJakub Wojciech Klama ag = auth_group_find(conf, "default"); 26985c734b04SJakub Wojciech Klama assert(ag != NULL); 26995c734b04SJakub Wojciech Klama ag->ag_type = AG_TYPE_DENY; 27005c734b04SJakub Wojciech Klama } 27015c734b04SJakub Wojciech Klama 27025c734b04SJakub Wojciech Klama if (conf->conf_default_pg_defined == false) { 27035c734b04SJakub Wojciech Klama log_debugx("portal-group \"default\" not defined; " 27045c734b04SJakub Wojciech Klama "going with defaults"); 27055c734b04SJakub Wojciech Klama pg = portal_group_find(conf, "default"); 27065c734b04SJakub Wojciech Klama assert(pg != NULL); 27075c734b04SJakub Wojciech Klama portal_group_add_listen(pg, "0.0.0.0:3260", false); 27085c734b04SJakub Wojciech Klama portal_group_add_listen(pg, "[::]:3260", false); 27095c734b04SJakub Wojciech Klama } 27105c734b04SJakub Wojciech Klama 27115c734b04SJakub Wojciech Klama conf->conf_kernel_port_on = true; 27125c734b04SJakub Wojciech Klama 27135c734b04SJakub Wojciech Klama error = conf_verify(conf); 27145c734b04SJakub Wojciech Klama if (error != 0) { 27155c734b04SJakub Wojciech Klama conf_delete(conf); 27165c734b04SJakub Wojciech Klama return (NULL); 27175c734b04SJakub Wojciech Klama } 27185c734b04SJakub Wojciech Klama 27195c734b04SJakub Wojciech Klama return (conf); 27205c734b04SJakub Wojciech Klama } 27215c734b04SJakub Wojciech Klama 2722009ea47eSEdward Tomasz Napierala int 2723009ea47eSEdward Tomasz Napierala main(int argc, char **argv) 2724009ea47eSEdward Tomasz Napierala { 2725009ea47eSEdward Tomasz Napierala struct conf *oldconf, *newconf, *tmpconf; 2726829603e2SAlexander Motin struct isns *newns; 2727009ea47eSEdward Tomasz Napierala const char *config_path = DEFAULT_CONFIG_PATH; 2728009ea47eSEdward Tomasz Napierala int debug = 0, ch, error; 2729009ea47eSEdward Tomasz Napierala bool dont_daemonize = false; 27307fcbecd0SEdward Tomasz Napierala bool test_config = false; 27315c734b04SJakub Wojciech Klama bool use_ucl = false; 2732009ea47eSEdward Tomasz Napierala 27337fcbecd0SEdward Tomasz Napierala while ((ch = getopt(argc, argv, "dtuf:R")) != -1) { 2734009ea47eSEdward Tomasz Napierala switch (ch) { 2735009ea47eSEdward Tomasz Napierala case 'd': 2736009ea47eSEdward Tomasz Napierala dont_daemonize = true; 2737009ea47eSEdward Tomasz Napierala debug++; 2738009ea47eSEdward Tomasz Napierala break; 27397fcbecd0SEdward Tomasz Napierala case 't': 27407fcbecd0SEdward Tomasz Napierala test_config = true; 27417fcbecd0SEdward Tomasz Napierala break; 27425c734b04SJakub Wojciech Klama case 'u': 27435c734b04SJakub Wojciech Klama use_ucl = true; 27445c734b04SJakub Wojciech Klama break; 2745009ea47eSEdward Tomasz Napierala case 'f': 2746009ea47eSEdward Tomasz Napierala config_path = optarg; 2747009ea47eSEdward Tomasz Napierala break; 2748ba3a2d31SEdward Tomasz Napierala case 'R': 2749ba3a2d31SEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 2750ba3a2d31SEdward Tomasz Napierala log_errx(1, "ctld(8) compiled without ICL_KERNEL_PROXY " 2751ba3a2d31SEdward Tomasz Napierala "does not support iSER protocol"); 2752ba3a2d31SEdward Tomasz Napierala #endif 2753ba3a2d31SEdward Tomasz Napierala proxy_mode = true; 2754ba3a2d31SEdward Tomasz Napierala break; 2755009ea47eSEdward Tomasz Napierala case '?': 2756009ea47eSEdward Tomasz Napierala default: 2757009ea47eSEdward Tomasz Napierala usage(); 2758009ea47eSEdward Tomasz Napierala } 2759009ea47eSEdward Tomasz Napierala } 2760009ea47eSEdward Tomasz Napierala argc -= optind; 2761009ea47eSEdward Tomasz Napierala if (argc != 0) 2762009ea47eSEdward Tomasz Napierala usage(); 2763009ea47eSEdward Tomasz Napierala 2764009ea47eSEdward Tomasz Napierala log_init(debug); 2765009ea47eSEdward Tomasz Napierala kernel_init(); 2766009ea47eSEdward Tomasz Napierala 2767009ea47eSEdward Tomasz Napierala oldconf = conf_new_from_kernel(); 27685c734b04SJakub Wojciech Klama newconf = conf_new_from_file(config_path, oldconf, use_ucl); 27695c734b04SJakub Wojciech Klama 2770009ea47eSEdward Tomasz Napierala if (newconf == NULL) 2771fe845cdbSEdward Tomasz Napierala log_errx(1, "configuration error; exiting"); 27727fcbecd0SEdward Tomasz Napierala 27737fcbecd0SEdward Tomasz Napierala if (test_config) 27747fcbecd0SEdward Tomasz Napierala return (0); 27757fcbecd0SEdward Tomasz Napierala 2776009ea47eSEdward Tomasz Napierala if (debug > 0) { 2777009ea47eSEdward Tomasz Napierala oldconf->conf_debug = debug; 2778009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2779009ea47eSEdward Tomasz Napierala } 2780009ea47eSEdward Tomasz Napierala 2781009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2782009ea47eSEdward Tomasz Napierala if (error != 0) 2783fe845cdbSEdward Tomasz Napierala log_errx(1, "failed to apply configuration; exiting"); 2784fe845cdbSEdward Tomasz Napierala 2785009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2786009ea47eSEdward Tomasz Napierala oldconf = NULL; 2787009ea47eSEdward Tomasz Napierala 2788009ea47eSEdward Tomasz Napierala register_signals(); 2789009ea47eSEdward Tomasz Napierala 27905d5a95f1SEdward Tomasz Napierala if (dont_daemonize == false) { 27915d5a95f1SEdward Tomasz Napierala log_debugx("daemonizing"); 27925d5a95f1SEdward Tomasz Napierala if (daemon(0, 0) == -1) { 27935d5a95f1SEdward Tomasz Napierala log_warn("cannot daemonize"); 27945d5a95f1SEdward Tomasz Napierala pidfile_remove(newconf->conf_pidfh); 27955d5a95f1SEdward Tomasz Napierala exit(1); 27965d5a95f1SEdward Tomasz Napierala } 27975d5a95f1SEdward Tomasz Napierala } 27985d5a95f1SEdward Tomasz Napierala 2799829603e2SAlexander Motin /* Schedule iSNS update */ 2800829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 2801829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 2802829603e2SAlexander Motin 2803009ea47eSEdward Tomasz Napierala for (;;) { 2804009ea47eSEdward Tomasz Napierala main_loop(newconf, dont_daemonize); 2805009ea47eSEdward Tomasz Napierala if (sighup_received) { 2806009ea47eSEdward Tomasz Napierala sighup_received = false; 2807009ea47eSEdward Tomasz Napierala log_debugx("received SIGHUP, reloading configuration"); 28085c734b04SJakub Wojciech Klama tmpconf = conf_new_from_file(config_path, newconf, 28095c734b04SJakub Wojciech Klama use_ucl); 28105c734b04SJakub Wojciech Klama 2811009ea47eSEdward Tomasz Napierala if (tmpconf == NULL) { 2812009ea47eSEdward Tomasz Napierala log_warnx("configuration error, " 2813009ea47eSEdward Tomasz Napierala "continuing with old configuration"); 2814009ea47eSEdward Tomasz Napierala } else { 2815009ea47eSEdward Tomasz Napierala if (debug > 0) 2816009ea47eSEdward Tomasz Napierala tmpconf->conf_debug = debug; 2817009ea47eSEdward Tomasz Napierala oldconf = newconf; 2818009ea47eSEdward Tomasz Napierala newconf = tmpconf; 2819009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2820009ea47eSEdward Tomasz Napierala if (error != 0) 2821009ea47eSEdward Tomasz Napierala log_warnx("failed to reload " 2822009ea47eSEdward Tomasz Napierala "configuration"); 2823009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2824009ea47eSEdward Tomasz Napierala oldconf = NULL; 2825009ea47eSEdward Tomasz Napierala } 2826009ea47eSEdward Tomasz Napierala } else if (sigterm_received) { 2827009ea47eSEdward Tomasz Napierala log_debugx("exiting on signal; " 2828009ea47eSEdward Tomasz Napierala "reloading empty configuration"); 2829009ea47eSEdward Tomasz Napierala 28306b31e130SAlexander Motin log_debugx("removing CTL iSCSI ports " 2831009ea47eSEdward Tomasz Napierala "and terminating all connections"); 2832009ea47eSEdward Tomasz Napierala 2833009ea47eSEdward Tomasz Napierala oldconf = newconf; 2834009ea47eSEdward Tomasz Napierala newconf = conf_new(); 2835009ea47eSEdward Tomasz Napierala if (debug > 0) 2836009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2837009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2838009ea47eSEdward Tomasz Napierala if (error != 0) 2839009ea47eSEdward Tomasz Napierala log_warnx("failed to apply configuration"); 2840829603e2SAlexander Motin conf_delete(oldconf); 2841829603e2SAlexander Motin oldconf = NULL; 2842009ea47eSEdward Tomasz Napierala 2843009ea47eSEdward Tomasz Napierala log_warnx("exiting on signal"); 2844009ea47eSEdward Tomasz Napierala exit(0); 2845009ea47eSEdward Tomasz Napierala } else { 2846009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2847009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2848829603e2SAlexander Motin if (timed_out()) { 2849829603e2SAlexander Motin set_timeout(0, false); 2850829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) 2851829603e2SAlexander Motin isns_check(newns); 2852829603e2SAlexander Motin /* Schedule iSNS update */ 2853829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) { 2854829603e2SAlexander Motin set_timeout((newconf->conf_isns_period 2855829603e2SAlexander Motin + 2) / 3, 2856829603e2SAlexander Motin false); 2857829603e2SAlexander Motin } 2858829603e2SAlexander Motin } 2859009ea47eSEdward Tomasz Napierala } 2860009ea47eSEdward Tomasz Napierala } 2861009ea47eSEdward Tomasz Napierala /* NOTREACHED */ 2862009ea47eSEdward Tomasz Napierala } 2863