1009ea47eSEdward Tomasz Napierala /*- 2009ea47eSEdward Tomasz Napierala * Copyright (c) 2012 The FreeBSD Foundation 3009ea47eSEdward Tomasz Napierala * All rights reserved. 4009ea47eSEdward Tomasz Napierala * 5009ea47eSEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 6009ea47eSEdward Tomasz Napierala * from the FreeBSD Foundation. 7009ea47eSEdward Tomasz Napierala * 8009ea47eSEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 9009ea47eSEdward Tomasz Napierala * modification, are permitted provided that the following conditions 10009ea47eSEdward Tomasz Napierala * are met: 11009ea47eSEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 12009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 13009ea47eSEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 14009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 15009ea47eSEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 16009ea47eSEdward Tomasz Napierala * 17009ea47eSEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18009ea47eSEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19009ea47eSEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20009ea47eSEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21009ea47eSEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22009ea47eSEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23009ea47eSEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24009ea47eSEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25009ea47eSEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26009ea47eSEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27009ea47eSEdward Tomasz Napierala * SUCH DAMAGE. 28009ea47eSEdward Tomasz Napierala * 29009ea47eSEdward Tomasz Napierala */ 30009ea47eSEdward Tomasz Napierala 31b7a65e39SEdward Tomasz Napierala #include <sys/cdefs.h> 32b7a65e39SEdward Tomasz Napierala __FBSDID("$FreeBSD$"); 33b7a65e39SEdward Tomasz Napierala 34009ea47eSEdward Tomasz Napierala #include <sys/types.h> 35009ea47eSEdward Tomasz Napierala #include <sys/time.h> 36009ea47eSEdward Tomasz Napierala #include <sys/socket.h> 375c734b04SJakub Wojciech Klama #include <sys/stat.h> 38009ea47eSEdward Tomasz Napierala #include <sys/wait.h> 39009ea47eSEdward Tomasz Napierala #include <netinet/in.h> 40073edb1cSAlexander Motin #include <arpa/inet.h> 41009ea47eSEdward Tomasz Napierala #include <assert.h> 42009ea47eSEdward Tomasz Napierala #include <ctype.h> 43009ea47eSEdward Tomasz Napierala #include <errno.h> 44009ea47eSEdward Tomasz Napierala #include <netdb.h> 45009ea47eSEdward Tomasz Napierala #include <signal.h> 46009ea47eSEdward Tomasz Napierala #include <stdbool.h> 47009ea47eSEdward Tomasz Napierala #include <stdio.h> 48009ea47eSEdward Tomasz Napierala #include <stdint.h> 49009ea47eSEdward Tomasz Napierala #include <stdlib.h> 50009ea47eSEdward Tomasz Napierala #include <string.h> 51009ea47eSEdward Tomasz Napierala #include <unistd.h> 52009ea47eSEdward Tomasz Napierala 53009ea47eSEdward Tomasz Napierala #include "ctld.h" 54829603e2SAlexander Motin #include "isns.h" 55009ea47eSEdward Tomasz Napierala 56ba3a2d31SEdward Tomasz Napierala bool proxy_mode = false; 57ba3a2d31SEdward Tomasz Napierala 58009ea47eSEdward Tomasz Napierala static volatile bool sighup_received = false; 59009ea47eSEdward Tomasz Napierala static volatile bool sigterm_received = false; 60009ea47eSEdward Tomasz Napierala static volatile bool sigalrm_received = false; 61009ea47eSEdward Tomasz Napierala 62009ea47eSEdward Tomasz Napierala static int nchildren = 0; 63db7bf2baSAlexander Motin static uint16_t last_portal_group_tag = 0xff; 64009ea47eSEdward Tomasz Napierala 65009ea47eSEdward Tomasz Napierala static void 66009ea47eSEdward Tomasz Napierala usage(void) 67009ea47eSEdward Tomasz Napierala { 68009ea47eSEdward Tomasz Napierala 69e321146fSEdward Tomasz Napierala fprintf(stderr, "usage: ctld [-d][-u][-f config-file]\n"); 70009ea47eSEdward Tomasz Napierala exit(1); 71009ea47eSEdward Tomasz Napierala } 72009ea47eSEdward Tomasz Napierala 73009ea47eSEdward Tomasz Napierala char * 74009ea47eSEdward Tomasz Napierala checked_strdup(const char *s) 75009ea47eSEdward Tomasz Napierala { 76009ea47eSEdward Tomasz Napierala char *c; 77009ea47eSEdward Tomasz Napierala 78009ea47eSEdward Tomasz Napierala c = strdup(s); 79009ea47eSEdward Tomasz Napierala if (c == NULL) 80009ea47eSEdward Tomasz Napierala log_err(1, "strdup"); 81009ea47eSEdward Tomasz Napierala return (c); 82009ea47eSEdward Tomasz Napierala } 83009ea47eSEdward Tomasz Napierala 84009ea47eSEdward Tomasz Napierala struct conf * 85009ea47eSEdward Tomasz Napierala conf_new(void) 86009ea47eSEdward Tomasz Napierala { 87009ea47eSEdward Tomasz Napierala struct conf *conf; 88009ea47eSEdward Tomasz Napierala 89009ea47eSEdward Tomasz Napierala conf = calloc(1, sizeof(*conf)); 90009ea47eSEdward Tomasz Napierala if (conf == NULL) 91009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 92920c6cbaSAlexander Motin TAILQ_INIT(&conf->conf_luns); 93009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_targets); 94009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_auth_groups); 9592847ee1SAlexander Motin TAILQ_INIT(&conf->conf_ports); 96009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_portal_groups); 97057abcb0SAlexander Motin TAILQ_INIT(&conf->conf_pports); 98829603e2SAlexander Motin TAILQ_INIT(&conf->conf_isns); 99009ea47eSEdward Tomasz Napierala 100829603e2SAlexander Motin conf->conf_isns_period = 900; 101829603e2SAlexander Motin conf->conf_isns_timeout = 5; 102009ea47eSEdward Tomasz Napierala conf->conf_debug = 0; 103009ea47eSEdward Tomasz Napierala conf->conf_timeout = 60; 104009ea47eSEdward Tomasz Napierala conf->conf_maxproc = 30; 105009ea47eSEdward Tomasz Napierala 106009ea47eSEdward Tomasz Napierala return (conf); 107009ea47eSEdward Tomasz Napierala } 108009ea47eSEdward Tomasz Napierala 109009ea47eSEdward Tomasz Napierala void 110009ea47eSEdward Tomasz Napierala conf_delete(struct conf *conf) 111009ea47eSEdward Tomasz Napierala { 112920c6cbaSAlexander Motin struct lun *lun, *ltmp; 113009ea47eSEdward Tomasz Napierala struct target *targ, *tmp; 114009ea47eSEdward Tomasz Napierala struct auth_group *ag, *cagtmp; 115009ea47eSEdward Tomasz Napierala struct portal_group *pg, *cpgtmp; 116057abcb0SAlexander Motin struct pport *pp, *pptmp; 117829603e2SAlexander Motin struct isns *is, *istmp; 118009ea47eSEdward Tomasz Napierala 119009ea47eSEdward Tomasz Napierala assert(conf->conf_pidfh == NULL); 120009ea47eSEdward Tomasz Napierala 121920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(lun, &conf->conf_luns, l_next, ltmp) 122920c6cbaSAlexander Motin lun_delete(lun); 123009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(targ, &conf->conf_targets, t_next, tmp) 124009ea47eSEdward Tomasz Napierala target_delete(targ); 125009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(ag, &conf->conf_auth_groups, ag_next, cagtmp) 126009ea47eSEdward Tomasz Napierala auth_group_delete(ag); 127009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(pg, &conf->conf_portal_groups, pg_next, cpgtmp) 128009ea47eSEdward Tomasz Napierala portal_group_delete(pg); 129057abcb0SAlexander Motin TAILQ_FOREACH_SAFE(pp, &conf->conf_pports, pp_next, pptmp) 130057abcb0SAlexander Motin pport_delete(pp); 131829603e2SAlexander Motin TAILQ_FOREACH_SAFE(is, &conf->conf_isns, i_next, istmp) 132829603e2SAlexander Motin isns_delete(is); 13392847ee1SAlexander Motin assert(TAILQ_EMPTY(&conf->conf_ports)); 134009ea47eSEdward Tomasz Napierala free(conf->conf_pidfile_path); 135009ea47eSEdward Tomasz Napierala free(conf); 136009ea47eSEdward Tomasz Napierala } 137009ea47eSEdward Tomasz Napierala 138009ea47eSEdward Tomasz Napierala static struct auth * 139009ea47eSEdward Tomasz Napierala auth_new(struct auth_group *ag) 140009ea47eSEdward Tomasz Napierala { 141009ea47eSEdward Tomasz Napierala struct auth *auth; 142009ea47eSEdward Tomasz Napierala 143009ea47eSEdward Tomasz Napierala auth = calloc(1, sizeof(*auth)); 144009ea47eSEdward Tomasz Napierala if (auth == NULL) 145009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 146009ea47eSEdward Tomasz Napierala auth->a_auth_group = ag; 147009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_auths, auth, a_next); 148009ea47eSEdward Tomasz Napierala return (auth); 149009ea47eSEdward Tomasz Napierala } 150009ea47eSEdward Tomasz Napierala 151009ea47eSEdward Tomasz Napierala static void 152009ea47eSEdward Tomasz Napierala auth_delete(struct auth *auth) 153009ea47eSEdward Tomasz Napierala { 154009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&auth->a_auth_group->ag_auths, auth, a_next); 155009ea47eSEdward Tomasz Napierala 156009ea47eSEdward Tomasz Napierala free(auth->a_user); 157009ea47eSEdward Tomasz Napierala free(auth->a_secret); 158009ea47eSEdward Tomasz Napierala free(auth->a_mutual_user); 159009ea47eSEdward Tomasz Napierala free(auth->a_mutual_secret); 160009ea47eSEdward Tomasz Napierala free(auth); 161009ea47eSEdward Tomasz Napierala } 162009ea47eSEdward Tomasz Napierala 163009ea47eSEdward Tomasz Napierala const struct auth * 164d6093026SEdward Tomasz Napierala auth_find(const struct auth_group *ag, const char *user) 165009ea47eSEdward Tomasz Napierala { 166009ea47eSEdward Tomasz Napierala const struct auth *auth; 167009ea47eSEdward Tomasz Napierala 168009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) { 169009ea47eSEdward Tomasz Napierala if (strcmp(auth->a_user, user) == 0) 170009ea47eSEdward Tomasz Napierala return (auth); 171009ea47eSEdward Tomasz Napierala } 172009ea47eSEdward Tomasz Napierala 173009ea47eSEdward Tomasz Napierala return (NULL); 174009ea47eSEdward Tomasz Napierala } 175009ea47eSEdward Tomasz Napierala 1761658628dSEdward Tomasz Napierala static void 1771658628dSEdward Tomasz Napierala auth_check_secret_length(struct auth *auth) 1781658628dSEdward Tomasz Napierala { 1791658628dSEdward Tomasz Napierala size_t len; 1801658628dSEdward Tomasz Napierala 1811658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1821658628dSEdward Tomasz Napierala if (len > 16) { 1831658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1841658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1851658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1861658628dSEdward Tomasz Napierala "long", auth->a_user, auth->a_auth_group->ag_name); 1871658628dSEdward Tomasz Napierala else 1881658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1891658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1901658628dSEdward Tomasz Napierala "long", auth->a_user, 191f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1921658628dSEdward Tomasz Napierala } 1931658628dSEdward Tomasz Napierala if (len < 12) { 1941658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1951658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1961658628dSEdward Tomasz Napierala "is too short; it should be at least 12 characters " 1971658628dSEdward Tomasz Napierala "long", auth->a_user, 1981658628dSEdward Tomasz Napierala auth->a_auth_group->ag_name); 1991658628dSEdward Tomasz Napierala else 2001658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 2011658628dSEdward Tomasz Napierala "is too short; it should be at least 16 characters " 2021658628dSEdward Tomasz Napierala "long", auth->a_user, 203f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2041658628dSEdward Tomasz Napierala } 2051658628dSEdward Tomasz Napierala 2061658628dSEdward Tomasz Napierala if (auth->a_mutual_secret != NULL) { 2077c924aaeSJosh Paetzel len = strlen(auth->a_mutual_secret); 2081658628dSEdward Tomasz Napierala if (len > 16) { 2091658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2101658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2111658628dSEdward Tomasz Napierala "auth-group \"%s\", is too long; it should " 2121658628dSEdward Tomasz Napierala "be at most 16 characters long", 2131658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2141658628dSEdward Tomasz Napierala else 2151658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2161658628dSEdward Tomasz Napierala "target \"%s\", is too long; it should " 2171658628dSEdward Tomasz Napierala "be at most 16 characters long", 2181658628dSEdward Tomasz Napierala auth->a_user, 219f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2201658628dSEdward Tomasz Napierala } 2211658628dSEdward Tomasz Napierala if (len < 12) { 2221658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2231658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2241658628dSEdward Tomasz Napierala "auth-group \"%s\", is too short; it " 2251658628dSEdward Tomasz Napierala "should be at least 12 characters long", 2261658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2271658628dSEdward Tomasz Napierala else 2281658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2291658628dSEdward Tomasz Napierala "target \"%s\", is too short; it should be " 2301658628dSEdward Tomasz Napierala "at least 16 characters long", 2311658628dSEdward Tomasz Napierala auth->a_user, 232f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2331658628dSEdward Tomasz Napierala } 2341658628dSEdward Tomasz Napierala } 2351658628dSEdward Tomasz Napierala } 2361658628dSEdward Tomasz Napierala 2371658628dSEdward Tomasz Napierala const struct auth * 2381658628dSEdward Tomasz Napierala auth_new_chap(struct auth_group *ag, const char *user, 2391658628dSEdward Tomasz Napierala const char *secret) 2401658628dSEdward Tomasz Napierala { 2411658628dSEdward Tomasz Napierala struct auth *auth; 2421658628dSEdward Tomasz Napierala 2431658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2441658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP; 2451658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP) { 2461658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2471658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2481658628dSEdward Tomasz Napierala "other types for auth-group \"%s\"", ag->ag_name); 2491658628dSEdward Tomasz Napierala else 2501658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2511658628dSEdward Tomasz Napierala "other types for target \"%s\"", 252f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2531658628dSEdward Tomasz Napierala return (NULL); 2541658628dSEdward Tomasz Napierala } 2551658628dSEdward Tomasz Napierala 2561658628dSEdward Tomasz Napierala auth = auth_new(ag); 2571658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2581658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2591658628dSEdward Tomasz Napierala 2601658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2611658628dSEdward Tomasz Napierala 2621658628dSEdward Tomasz Napierala return (auth); 2631658628dSEdward Tomasz Napierala } 2641658628dSEdward Tomasz Napierala 2651658628dSEdward Tomasz Napierala const struct auth * 2661658628dSEdward Tomasz Napierala auth_new_chap_mutual(struct auth_group *ag, const char *user, 2671658628dSEdward Tomasz Napierala const char *secret, const char *user2, const char *secret2) 2681658628dSEdward Tomasz Napierala { 2691658628dSEdward Tomasz Napierala struct auth *auth; 2701658628dSEdward Tomasz Napierala 2711658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2721658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP_MUTUAL; 2731658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP_MUTUAL) { 2741658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2751658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2761658628dSEdward Tomasz Napierala "with other types for auth-group \"%s\"", 2771658628dSEdward Tomasz Napierala ag->ag_name); 2781658628dSEdward Tomasz Napierala else 2791658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2801658628dSEdward Tomasz Napierala "with other types for target \"%s\"", 281f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2821658628dSEdward Tomasz Napierala return (NULL); 2831658628dSEdward Tomasz Napierala } 2841658628dSEdward Tomasz Napierala 2851658628dSEdward Tomasz Napierala auth = auth_new(ag); 2861658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2871658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2881658628dSEdward Tomasz Napierala auth->a_mutual_user = checked_strdup(user2); 2891658628dSEdward Tomasz Napierala auth->a_mutual_secret = checked_strdup(secret2); 2901658628dSEdward Tomasz Napierala 2911658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2921658628dSEdward Tomasz Napierala 2931658628dSEdward Tomasz Napierala return (auth); 2941658628dSEdward Tomasz Napierala } 2951658628dSEdward Tomasz Napierala 2968cb2e958SEdward Tomasz Napierala const struct auth_name * 2978cb2e958SEdward Tomasz Napierala auth_name_new(struct auth_group *ag, const char *name) 2988cb2e958SEdward Tomasz Napierala { 2998cb2e958SEdward Tomasz Napierala struct auth_name *an; 3008cb2e958SEdward Tomasz Napierala 3018cb2e958SEdward Tomasz Napierala an = calloc(1, sizeof(*an)); 3028cb2e958SEdward Tomasz Napierala if (an == NULL) 3038cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3048cb2e958SEdward Tomasz Napierala an->an_auth_group = ag; 3058cb2e958SEdward Tomasz Napierala an->an_initator_name = checked_strdup(name); 3068cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_names, an, an_next); 3078cb2e958SEdward Tomasz Napierala return (an); 3088cb2e958SEdward Tomasz Napierala } 3098cb2e958SEdward Tomasz Napierala 3108cb2e958SEdward Tomasz Napierala static void 3118cb2e958SEdward Tomasz Napierala auth_name_delete(struct auth_name *an) 3128cb2e958SEdward Tomasz Napierala { 3138cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&an->an_auth_group->ag_names, an, an_next); 3148cb2e958SEdward Tomasz Napierala 3158cb2e958SEdward Tomasz Napierala free(an->an_initator_name); 3168cb2e958SEdward Tomasz Napierala free(an); 3178cb2e958SEdward Tomasz Napierala } 3188cb2e958SEdward Tomasz Napierala 3198cb2e958SEdward Tomasz Napierala bool 3208cb2e958SEdward Tomasz Napierala auth_name_defined(const struct auth_group *ag) 3218cb2e958SEdward Tomasz Napierala { 3228cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_names)) 3238cb2e958SEdward Tomasz Napierala return (false); 3248cb2e958SEdward Tomasz Napierala return (true); 3258cb2e958SEdward Tomasz Napierala } 3268cb2e958SEdward Tomasz Napierala 3278cb2e958SEdward Tomasz Napierala const struct auth_name * 3288cb2e958SEdward Tomasz Napierala auth_name_find(const struct auth_group *ag, const char *name) 3298cb2e958SEdward Tomasz Napierala { 3308cb2e958SEdward Tomasz Napierala const struct auth_name *auth_name; 3318cb2e958SEdward Tomasz Napierala 3328cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) { 3338cb2e958SEdward Tomasz Napierala if (strcmp(auth_name->an_initator_name, name) == 0) 3348cb2e958SEdward Tomasz Napierala return (auth_name); 3358cb2e958SEdward Tomasz Napierala } 3368cb2e958SEdward Tomasz Napierala 3378cb2e958SEdward Tomasz Napierala return (NULL); 3388cb2e958SEdward Tomasz Napierala } 3398cb2e958SEdward Tomasz Napierala 340e867e162SEdward Tomasz Napierala int 341e867e162SEdward Tomasz Napierala auth_name_check(const struct auth_group *ag, const char *initiator_name) 342e867e162SEdward Tomasz Napierala { 343e867e162SEdward Tomasz Napierala if (!auth_name_defined(ag)) 344e867e162SEdward Tomasz Napierala return (0); 345e867e162SEdward Tomasz Napierala 346e867e162SEdward Tomasz Napierala if (auth_name_find(ag, initiator_name) == NULL) 347e867e162SEdward Tomasz Napierala return (1); 348e867e162SEdward Tomasz Napierala 349e867e162SEdward Tomasz Napierala return (0); 350e867e162SEdward Tomasz Napierala } 351e867e162SEdward Tomasz Napierala 3528cb2e958SEdward Tomasz Napierala const struct auth_portal * 3538cb2e958SEdward Tomasz Napierala auth_portal_new(struct auth_group *ag, const char *portal) 3548cb2e958SEdward Tomasz Napierala { 3558cb2e958SEdward Tomasz Napierala struct auth_portal *ap; 356073edb1cSAlexander Motin char *net, *mask, *str, *tmp; 357073edb1cSAlexander Motin int len, dm, m; 3588cb2e958SEdward Tomasz Napierala 3598cb2e958SEdward Tomasz Napierala ap = calloc(1, sizeof(*ap)); 3608cb2e958SEdward Tomasz Napierala if (ap == NULL) 3618cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3628cb2e958SEdward Tomasz Napierala ap->ap_auth_group = ag; 3638cb2e958SEdward Tomasz Napierala ap->ap_initator_portal = checked_strdup(portal); 364073edb1cSAlexander Motin mask = str = checked_strdup(portal); 365073edb1cSAlexander Motin net = strsep(&mask, "/"); 366073edb1cSAlexander Motin if (net[0] == '[') 367073edb1cSAlexander Motin net++; 368073edb1cSAlexander Motin len = strlen(net); 369073edb1cSAlexander Motin if (len == 0) 370073edb1cSAlexander Motin goto error; 371073edb1cSAlexander Motin if (net[len - 1] == ']') 372073edb1cSAlexander Motin net[len - 1] = 0; 373073edb1cSAlexander Motin if (strchr(net, ':') != NULL) { 374073edb1cSAlexander Motin struct sockaddr_in6 *sin6 = 375073edb1cSAlexander Motin (struct sockaddr_in6 *)&ap->ap_sa; 376073edb1cSAlexander Motin 377073edb1cSAlexander Motin sin6->sin6_len = sizeof(*sin6); 378073edb1cSAlexander Motin sin6->sin6_family = AF_INET6; 379073edb1cSAlexander Motin if (inet_pton(AF_INET6, net, &sin6->sin6_addr) <= 0) 380073edb1cSAlexander Motin goto error; 381073edb1cSAlexander Motin dm = 128; 382073edb1cSAlexander Motin } else { 383073edb1cSAlexander Motin struct sockaddr_in *sin = 384073edb1cSAlexander Motin (struct sockaddr_in *)&ap->ap_sa; 385073edb1cSAlexander Motin 386073edb1cSAlexander Motin sin->sin_len = sizeof(*sin); 387073edb1cSAlexander Motin sin->sin_family = AF_INET; 388073edb1cSAlexander Motin if (inet_pton(AF_INET, net, &sin->sin_addr) <= 0) 389073edb1cSAlexander Motin goto error; 390073edb1cSAlexander Motin dm = 32; 391073edb1cSAlexander Motin } 392073edb1cSAlexander Motin if (mask != NULL) { 393073edb1cSAlexander Motin m = strtol(mask, &tmp, 0); 394073edb1cSAlexander Motin if (m < 0 || m > dm || tmp[0] != 0) 395073edb1cSAlexander Motin goto error; 396073edb1cSAlexander Motin } else 397073edb1cSAlexander Motin m = dm; 398073edb1cSAlexander Motin ap->ap_mask = m; 399073edb1cSAlexander Motin free(str); 4008cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_portals, ap, ap_next); 4018cb2e958SEdward Tomasz Napierala return (ap); 402073edb1cSAlexander Motin 403073edb1cSAlexander Motin error: 404678b6879SAlexander Motin free(ap); 405*f9a20518SEdward Tomasz Napierala log_warnx("incorrect initiator portal \"%s\"", portal); 406073edb1cSAlexander Motin return (NULL); 4078cb2e958SEdward Tomasz Napierala } 4088cb2e958SEdward Tomasz Napierala 4098cb2e958SEdward Tomasz Napierala static void 4108cb2e958SEdward Tomasz Napierala auth_portal_delete(struct auth_portal *ap) 4118cb2e958SEdward Tomasz Napierala { 4128cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&ap->ap_auth_group->ag_portals, ap, ap_next); 4138cb2e958SEdward Tomasz Napierala 4148cb2e958SEdward Tomasz Napierala free(ap->ap_initator_portal); 4158cb2e958SEdward Tomasz Napierala free(ap); 4168cb2e958SEdward Tomasz Napierala } 4178cb2e958SEdward Tomasz Napierala 4188cb2e958SEdward Tomasz Napierala bool 4198cb2e958SEdward Tomasz Napierala auth_portal_defined(const struct auth_group *ag) 4208cb2e958SEdward Tomasz Napierala { 4218cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_portals)) 4228cb2e958SEdward Tomasz Napierala return (false); 4238cb2e958SEdward Tomasz Napierala return (true); 4248cb2e958SEdward Tomasz Napierala } 4258cb2e958SEdward Tomasz Napierala 4268cb2e958SEdward Tomasz Napierala const struct auth_portal * 427073edb1cSAlexander Motin auth_portal_find(const struct auth_group *ag, const struct sockaddr_storage *ss) 4288cb2e958SEdward Tomasz Napierala { 429073edb1cSAlexander Motin const struct auth_portal *ap; 4305e46a066SAlexander Motin const uint8_t *a, *b; 431073edb1cSAlexander Motin int i; 4325e46a066SAlexander Motin uint8_t bmask; 4338cb2e958SEdward Tomasz Napierala 434073edb1cSAlexander Motin TAILQ_FOREACH(ap, &ag->ag_portals, ap_next) { 435073edb1cSAlexander Motin if (ap->ap_sa.ss_family != ss->ss_family) 436073edb1cSAlexander Motin continue; 437073edb1cSAlexander Motin if (ss->ss_family == AF_INET) { 4385e46a066SAlexander Motin a = (const uint8_t *) 4395e46a066SAlexander Motin &((const struct sockaddr_in *)ss)->sin_addr; 4405e46a066SAlexander Motin b = (const uint8_t *) 4415e46a066SAlexander Motin &((const struct sockaddr_in *)&ap->ap_sa)->sin_addr; 442073edb1cSAlexander Motin } else { 4435e46a066SAlexander Motin a = (const uint8_t *) 4445e46a066SAlexander Motin &((const struct sockaddr_in6 *)ss)->sin6_addr; 4455e46a066SAlexander Motin b = (const uint8_t *) 4465e46a066SAlexander Motin &((const struct sockaddr_in6 *)&ap->ap_sa)->sin6_addr; 447073edb1cSAlexander Motin } 448073edb1cSAlexander Motin for (i = 0; i < ap->ap_mask / 8; i++) { 449073edb1cSAlexander Motin if (a[i] != b[i]) 450073edb1cSAlexander Motin goto next; 451073edb1cSAlexander Motin } 452073edb1cSAlexander Motin if (ap->ap_mask % 8) { 453073edb1cSAlexander Motin bmask = 0xff << (8 - (ap->ap_mask % 8)); 454073edb1cSAlexander Motin if ((a[i] & bmask) != (b[i] & bmask)) 455073edb1cSAlexander Motin goto next; 456073edb1cSAlexander Motin } 457073edb1cSAlexander Motin return (ap); 458073edb1cSAlexander Motin next: 459073edb1cSAlexander Motin ; 4608cb2e958SEdward Tomasz Napierala } 4618cb2e958SEdward Tomasz Napierala 4628cb2e958SEdward Tomasz Napierala return (NULL); 4638cb2e958SEdward Tomasz Napierala } 4648cb2e958SEdward Tomasz Napierala 465e867e162SEdward Tomasz Napierala int 466e867e162SEdward Tomasz Napierala auth_portal_check(const struct auth_group *ag, const struct sockaddr_storage *sa) 467e867e162SEdward Tomasz Napierala { 468e867e162SEdward Tomasz Napierala 469e867e162SEdward Tomasz Napierala if (!auth_portal_defined(ag)) 470e867e162SEdward Tomasz Napierala return (0); 471e867e162SEdward Tomasz Napierala 472e867e162SEdward Tomasz Napierala if (auth_portal_find(ag, sa) == NULL) 473e867e162SEdward Tomasz Napierala return (1); 474e867e162SEdward Tomasz Napierala 475e867e162SEdward Tomasz Napierala return (0); 476e867e162SEdward Tomasz Napierala } 477e867e162SEdward Tomasz Napierala 478009ea47eSEdward Tomasz Napierala struct auth_group * 479009ea47eSEdward Tomasz Napierala auth_group_new(struct conf *conf, const char *name) 480009ea47eSEdward Tomasz Napierala { 481009ea47eSEdward Tomasz Napierala struct auth_group *ag; 482009ea47eSEdward Tomasz Napierala 483009ea47eSEdward Tomasz Napierala if (name != NULL) { 484009ea47eSEdward Tomasz Napierala ag = auth_group_find(conf, name); 485009ea47eSEdward Tomasz Napierala if (ag != NULL) { 486009ea47eSEdward Tomasz Napierala log_warnx("duplicated auth-group \"%s\"", name); 487009ea47eSEdward Tomasz Napierala return (NULL); 488009ea47eSEdward Tomasz Napierala } 489009ea47eSEdward Tomasz Napierala } 490009ea47eSEdward Tomasz Napierala 491009ea47eSEdward Tomasz Napierala ag = calloc(1, sizeof(*ag)); 492009ea47eSEdward Tomasz Napierala if (ag == NULL) 493009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 494009ea47eSEdward Tomasz Napierala if (name != NULL) 495009ea47eSEdward Tomasz Napierala ag->ag_name = checked_strdup(name); 496009ea47eSEdward Tomasz Napierala TAILQ_INIT(&ag->ag_auths); 4978cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_names); 4988cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_portals); 499009ea47eSEdward Tomasz Napierala ag->ag_conf = conf; 500009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_auth_groups, ag, ag_next); 501009ea47eSEdward Tomasz Napierala 502009ea47eSEdward Tomasz Napierala return (ag); 503009ea47eSEdward Tomasz Napierala } 504009ea47eSEdward Tomasz Napierala 505009ea47eSEdward Tomasz Napierala void 506009ea47eSEdward Tomasz Napierala auth_group_delete(struct auth_group *ag) 507009ea47eSEdward Tomasz Napierala { 5088cb2e958SEdward Tomasz Napierala struct auth *auth, *auth_tmp; 5098cb2e958SEdward Tomasz Napierala struct auth_name *auth_name, *auth_name_tmp; 5108cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal, *auth_portal_tmp; 511009ea47eSEdward Tomasz Napierala 512009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&ag->ag_conf->conf_auth_groups, ag, ag_next); 513009ea47eSEdward Tomasz Napierala 5148cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth, &ag->ag_auths, a_next, auth_tmp) 515009ea47eSEdward Tomasz Napierala auth_delete(auth); 5168cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_name, &ag->ag_names, an_next, auth_name_tmp) 5178cb2e958SEdward Tomasz Napierala auth_name_delete(auth_name); 5188cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_portal, &ag->ag_portals, ap_next, 5198cb2e958SEdward Tomasz Napierala auth_portal_tmp) 5208cb2e958SEdward Tomasz Napierala auth_portal_delete(auth_portal); 521009ea47eSEdward Tomasz Napierala free(ag->ag_name); 522009ea47eSEdward Tomasz Napierala free(ag); 523009ea47eSEdward Tomasz Napierala } 524009ea47eSEdward Tomasz Napierala 525009ea47eSEdward Tomasz Napierala struct auth_group * 526d6093026SEdward Tomasz Napierala auth_group_find(const struct conf *conf, const char *name) 527009ea47eSEdward Tomasz Napierala { 528009ea47eSEdward Tomasz Napierala struct auth_group *ag; 529009ea47eSEdward Tomasz Napierala 530009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 531009ea47eSEdward Tomasz Napierala if (ag->ag_name != NULL && strcmp(ag->ag_name, name) == 0) 532009ea47eSEdward Tomasz Napierala return (ag); 533009ea47eSEdward Tomasz Napierala } 534009ea47eSEdward Tomasz Napierala 535009ea47eSEdward Tomasz Napierala return (NULL); 536009ea47eSEdward Tomasz Napierala } 537009ea47eSEdward Tomasz Napierala 538df9900fbSEdward Tomasz Napierala int 539bd833b11SEdward Tomasz Napierala auth_group_set_type(struct auth_group *ag, const char *str) 540df9900fbSEdward Tomasz Napierala { 541bd833b11SEdward Tomasz Napierala int type; 542df9900fbSEdward Tomasz Napierala 543df9900fbSEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 544df9900fbSEdward Tomasz Napierala type = AG_TYPE_NO_AUTHENTICATION; 545e76ce448SEdward Tomasz Napierala } else if (strcmp(str, "deny") == 0) { 546e76ce448SEdward Tomasz Napierala type = AG_TYPE_DENY; 547df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap") == 0) { 548df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP; 549df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap-mutual") == 0) { 550df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP_MUTUAL; 551df9900fbSEdward Tomasz Napierala } else { 552df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 553df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for auth-group " 554df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_name); 555df9900fbSEdward Tomasz Napierala else 556df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for target " 557df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_target->t_name); 558df9900fbSEdward Tomasz Napierala return (1); 559df9900fbSEdward Tomasz Napierala } 560df9900fbSEdward Tomasz Napierala 561bd833b11SEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_UNKNOWN && ag->ag_type != type) { 562bd833b11SEdward Tomasz Napierala if (ag->ag_name != NULL) { 563df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for " 564df9900fbSEdward Tomasz Napierala "auth-group \"%s\"; already has a different " 565df9900fbSEdward Tomasz Napierala "type", str, ag->ag_name); 566bd833b11SEdward Tomasz Napierala } else { 567df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for target " 568df9900fbSEdward Tomasz Napierala "\"%s\"; already has a different type", 569df9900fbSEdward Tomasz Napierala str, ag->ag_target->t_name); 570bd833b11SEdward Tomasz Napierala } 571df9900fbSEdward Tomasz Napierala return (1); 572df9900fbSEdward Tomasz Napierala } 573df9900fbSEdward Tomasz Napierala 574bd833b11SEdward Tomasz Napierala ag->ag_type = type; 575bd833b11SEdward Tomasz Napierala 576bd833b11SEdward Tomasz Napierala return (0); 577df9900fbSEdward Tomasz Napierala } 578df9900fbSEdward Tomasz Napierala 579009ea47eSEdward Tomasz Napierala static struct portal * 580009ea47eSEdward Tomasz Napierala portal_new(struct portal_group *pg) 581009ea47eSEdward Tomasz Napierala { 582009ea47eSEdward Tomasz Napierala struct portal *portal; 583009ea47eSEdward Tomasz Napierala 584009ea47eSEdward Tomasz Napierala portal = calloc(1, sizeof(*portal)); 585009ea47eSEdward Tomasz Napierala if (portal == NULL) 586009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 587009ea47eSEdward Tomasz Napierala TAILQ_INIT(&portal->p_targets); 588009ea47eSEdward Tomasz Napierala portal->p_portal_group = pg; 589009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&pg->pg_portals, portal, p_next); 590009ea47eSEdward Tomasz Napierala return (portal); 591009ea47eSEdward Tomasz Napierala } 592009ea47eSEdward Tomasz Napierala 593009ea47eSEdward Tomasz Napierala static void 594009ea47eSEdward Tomasz Napierala portal_delete(struct portal *portal) 595009ea47eSEdward Tomasz Napierala { 59644a5953aSEdward Tomasz Napierala 597009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&portal->p_portal_group->pg_portals, portal, p_next); 59844a5953aSEdward Tomasz Napierala if (portal->p_ai != NULL) 599009ea47eSEdward Tomasz Napierala freeaddrinfo(portal->p_ai); 600009ea47eSEdward Tomasz Napierala free(portal->p_listen); 601009ea47eSEdward Tomasz Napierala free(portal); 602009ea47eSEdward Tomasz Napierala } 603009ea47eSEdward Tomasz Napierala 604009ea47eSEdward Tomasz Napierala struct portal_group * 605009ea47eSEdward Tomasz Napierala portal_group_new(struct conf *conf, const char *name) 606009ea47eSEdward Tomasz Napierala { 607009ea47eSEdward Tomasz Napierala struct portal_group *pg; 608009ea47eSEdward Tomasz Napierala 609009ea47eSEdward Tomasz Napierala pg = portal_group_find(conf, name); 610009ea47eSEdward Tomasz Napierala if (pg != NULL) { 611009ea47eSEdward Tomasz Napierala log_warnx("duplicated portal-group \"%s\"", name); 612009ea47eSEdward Tomasz Napierala return (NULL); 613009ea47eSEdward Tomasz Napierala } 614009ea47eSEdward Tomasz Napierala 615009ea47eSEdward Tomasz Napierala pg = calloc(1, sizeof(*pg)); 616009ea47eSEdward Tomasz Napierala if (pg == NULL) 617009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 618009ea47eSEdward Tomasz Napierala pg->pg_name = checked_strdup(name); 619398290f2SAlexander Motin TAILQ_INIT(&pg->pg_options); 620009ea47eSEdward Tomasz Napierala TAILQ_INIT(&pg->pg_portals); 62192847ee1SAlexander Motin TAILQ_INIT(&pg->pg_ports); 622009ea47eSEdward Tomasz Napierala pg->pg_conf = conf; 6236b31e130SAlexander Motin pg->pg_tag = 0; /* Assigned later in conf_apply(). */ 624009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_portal_groups, pg, pg_next); 625009ea47eSEdward Tomasz Napierala 626009ea47eSEdward Tomasz Napierala return (pg); 627009ea47eSEdward Tomasz Napierala } 628009ea47eSEdward Tomasz Napierala 629009ea47eSEdward Tomasz Napierala void 630009ea47eSEdward Tomasz Napierala portal_group_delete(struct portal_group *pg) 631009ea47eSEdward Tomasz Napierala { 632009ea47eSEdward Tomasz Napierala struct portal *portal, *tmp; 63392847ee1SAlexander Motin struct port *port, *tport; 634398290f2SAlexander Motin struct option *o, *otmp; 635009ea47eSEdward Tomasz Napierala 63692847ee1SAlexander Motin TAILQ_FOREACH_SAFE(port, &pg->pg_ports, p_pgs, tport) 63792847ee1SAlexander Motin port_delete(port); 638009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&pg->pg_conf->conf_portal_groups, pg, pg_next); 639009ea47eSEdward Tomasz Napierala 640009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(portal, &pg->pg_portals, p_next, tmp) 641009ea47eSEdward Tomasz Napierala portal_delete(portal); 642398290f2SAlexander Motin TAILQ_FOREACH_SAFE(o, &pg->pg_options, o_next, otmp) 643398290f2SAlexander Motin option_delete(&pg->pg_options, o); 644009ea47eSEdward Tomasz Napierala free(pg->pg_name); 645a9d78210SEdward Tomasz Napierala free(pg->pg_offload); 6466dbdbf82SEdward Tomasz Napierala free(pg->pg_redirection); 647009ea47eSEdward Tomasz Napierala free(pg); 648009ea47eSEdward Tomasz Napierala } 649009ea47eSEdward Tomasz Napierala 650009ea47eSEdward Tomasz Napierala struct portal_group * 651d6093026SEdward Tomasz Napierala portal_group_find(const struct conf *conf, const char *name) 652009ea47eSEdward Tomasz Napierala { 653009ea47eSEdward Tomasz Napierala struct portal_group *pg; 654009ea47eSEdward Tomasz Napierala 655009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 656009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, name) == 0) 657009ea47eSEdward Tomasz Napierala return (pg); 658009ea47eSEdward Tomasz Napierala } 659009ea47eSEdward Tomasz Napierala 660009ea47eSEdward Tomasz Napierala return (NULL); 661009ea47eSEdward Tomasz Napierala } 662009ea47eSEdward Tomasz Napierala 663829603e2SAlexander Motin static int 664829603e2SAlexander Motin parse_addr_port(char *arg, const char *def_port, struct addrinfo **ai) 665009ea47eSEdward Tomasz Napierala { 666009ea47eSEdward Tomasz Napierala struct addrinfo hints; 6671606ad8cSAlexander Motin char *str, *addr, *ch; 668009ea47eSEdward Tomasz Napierala const char *port; 669009ea47eSEdward Tomasz Napierala int error, colons = 0; 670009ea47eSEdward Tomasz Napierala 6711606ad8cSAlexander Motin str = arg = strdup(arg); 672009ea47eSEdward Tomasz Napierala if (arg[0] == '[') { 673009ea47eSEdward Tomasz Napierala /* 674009ea47eSEdward Tomasz Napierala * IPv6 address in square brackets, perhaps with port. 675009ea47eSEdward Tomasz Napierala */ 676009ea47eSEdward Tomasz Napierala arg++; 677009ea47eSEdward Tomasz Napierala addr = strsep(&arg, "]"); 678829603e2SAlexander Motin if (arg == NULL) 679009ea47eSEdward Tomasz Napierala return (1); 680009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 681829603e2SAlexander Motin port = def_port; 682009ea47eSEdward Tomasz Napierala } else if (arg[0] == ':') { 683009ea47eSEdward Tomasz Napierala port = arg + 1; 6841606ad8cSAlexander Motin } else { 6851606ad8cSAlexander Motin free(str); 686009ea47eSEdward Tomasz Napierala return (1); 6871606ad8cSAlexander Motin } 688009ea47eSEdward Tomasz Napierala } else { 689009ea47eSEdward Tomasz Napierala /* 690009ea47eSEdward Tomasz Napierala * Either IPv6 address without brackets - and without 691009ea47eSEdward Tomasz Napierala * a port - or IPv4 address. Just count the colons. 692009ea47eSEdward Tomasz Napierala */ 693009ea47eSEdward Tomasz Napierala for (ch = arg; *ch != '\0'; ch++) { 694009ea47eSEdward Tomasz Napierala if (*ch == ':') 695009ea47eSEdward Tomasz Napierala colons++; 696009ea47eSEdward Tomasz Napierala } 697009ea47eSEdward Tomasz Napierala if (colons > 1) { 698009ea47eSEdward Tomasz Napierala addr = arg; 699829603e2SAlexander Motin port = def_port; 700009ea47eSEdward Tomasz Napierala } else { 701009ea47eSEdward Tomasz Napierala addr = strsep(&arg, ":"); 702009ea47eSEdward Tomasz Napierala if (arg == NULL) 703829603e2SAlexander Motin port = def_port; 704009ea47eSEdward Tomasz Napierala else 705009ea47eSEdward Tomasz Napierala port = arg; 706009ea47eSEdward Tomasz Napierala } 707009ea47eSEdward Tomasz Napierala } 708009ea47eSEdward Tomasz Napierala 709009ea47eSEdward Tomasz Napierala memset(&hints, 0, sizeof(hints)); 710009ea47eSEdward Tomasz Napierala hints.ai_family = PF_UNSPEC; 711009ea47eSEdward Tomasz Napierala hints.ai_socktype = SOCK_STREAM; 712009ea47eSEdward Tomasz Napierala hints.ai_flags = AI_PASSIVE; 713829603e2SAlexander Motin error = getaddrinfo(addr, port, &hints, ai); 7141606ad8cSAlexander Motin free(str); 7151606ad8cSAlexander Motin return ((error != 0) ? 1 : 0); 716829603e2SAlexander Motin } 717009ea47eSEdward Tomasz Napierala 718829603e2SAlexander Motin int 719829603e2SAlexander Motin portal_group_add_listen(struct portal_group *pg, const char *value, bool iser) 720829603e2SAlexander Motin { 721829603e2SAlexander Motin struct portal *portal; 722829603e2SAlexander Motin 723829603e2SAlexander Motin portal = portal_new(pg); 724829603e2SAlexander Motin portal->p_listen = checked_strdup(value); 725829603e2SAlexander Motin portal->p_iser = iser; 726829603e2SAlexander Motin 727829603e2SAlexander Motin if (parse_addr_port(portal->p_listen, "3260", &portal->p_ai)) { 728829603e2SAlexander Motin log_warnx("invalid listen address %s", portal->p_listen); 72944a5953aSEdward Tomasz Napierala portal_delete(portal); 730009ea47eSEdward Tomasz Napierala return (1); 731009ea47eSEdward Tomasz Napierala } 732009ea47eSEdward Tomasz Napierala 733009ea47eSEdward Tomasz Napierala /* 734009ea47eSEdward Tomasz Napierala * XXX: getaddrinfo(3) may return multiple addresses; we should turn 735009ea47eSEdward Tomasz Napierala * those into multiple portals. 736009ea47eSEdward Tomasz Napierala */ 737009ea47eSEdward Tomasz Napierala 738009ea47eSEdward Tomasz Napierala return (0); 739009ea47eSEdward Tomasz Napierala } 740009ea47eSEdward Tomasz Napierala 741829603e2SAlexander Motin int 742829603e2SAlexander Motin isns_new(struct conf *conf, const char *addr) 743829603e2SAlexander Motin { 744829603e2SAlexander Motin struct isns *isns; 745829603e2SAlexander Motin 746829603e2SAlexander Motin isns = calloc(1, sizeof(*isns)); 747829603e2SAlexander Motin if (isns == NULL) 748829603e2SAlexander Motin log_err(1, "calloc"); 749829603e2SAlexander Motin isns->i_conf = conf; 750829603e2SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_isns, isns, i_next); 751829603e2SAlexander Motin isns->i_addr = checked_strdup(addr); 752829603e2SAlexander Motin 753829603e2SAlexander Motin if (parse_addr_port(isns->i_addr, "3205", &isns->i_ai)) { 754829603e2SAlexander Motin log_warnx("invalid iSNS address %s", isns->i_addr); 755829603e2SAlexander Motin isns_delete(isns); 756829603e2SAlexander Motin return (1); 757829603e2SAlexander Motin } 758829603e2SAlexander Motin 759829603e2SAlexander Motin /* 760829603e2SAlexander Motin * XXX: getaddrinfo(3) may return multiple addresses; we should turn 761829603e2SAlexander Motin * those into multiple servers. 762829603e2SAlexander Motin */ 763829603e2SAlexander Motin 764829603e2SAlexander Motin return (0); 765829603e2SAlexander Motin } 766829603e2SAlexander Motin 767829603e2SAlexander Motin void 768829603e2SAlexander Motin isns_delete(struct isns *isns) 769829603e2SAlexander Motin { 770829603e2SAlexander Motin 771829603e2SAlexander Motin TAILQ_REMOVE(&isns->i_conf->conf_isns, isns, i_next); 772829603e2SAlexander Motin free(isns->i_addr); 773829603e2SAlexander Motin if (isns->i_ai != NULL) 774829603e2SAlexander Motin freeaddrinfo(isns->i_ai); 775829603e2SAlexander Motin free(isns); 776829603e2SAlexander Motin } 777829603e2SAlexander Motin 778829603e2SAlexander Motin static int 779829603e2SAlexander Motin isns_do_connect(struct isns *isns) 780829603e2SAlexander Motin { 781829603e2SAlexander Motin int s; 782829603e2SAlexander Motin 783829603e2SAlexander Motin s = socket(isns->i_ai->ai_family, isns->i_ai->ai_socktype, 784829603e2SAlexander Motin isns->i_ai->ai_protocol); 785829603e2SAlexander Motin if (s < 0) { 786829603e2SAlexander Motin log_warn("socket(2) failed for %s", isns->i_addr); 787829603e2SAlexander Motin return (-1); 788829603e2SAlexander Motin } 789829603e2SAlexander Motin if (connect(s, isns->i_ai->ai_addr, isns->i_ai->ai_addrlen)) { 790829603e2SAlexander Motin log_warn("connect(2) failed for %s", isns->i_addr); 791829603e2SAlexander Motin close(s); 792829603e2SAlexander Motin return (-1); 793829603e2SAlexander Motin } 794829603e2SAlexander Motin return(s); 795829603e2SAlexander Motin } 796829603e2SAlexander Motin 797829603e2SAlexander Motin static int 798829603e2SAlexander Motin isns_do_register(struct isns *isns, int s, const char *hostname) 799829603e2SAlexander Motin { 800829603e2SAlexander Motin struct conf *conf = isns->i_conf; 801829603e2SAlexander Motin struct target *target; 802829603e2SAlexander Motin struct portal *portal; 803829603e2SAlexander Motin struct portal_group *pg; 80492847ee1SAlexander Motin struct port *port; 805829603e2SAlexander Motin struct isns_req *req; 806829603e2SAlexander Motin int res = 0; 807829603e2SAlexander Motin uint32_t error; 808829603e2SAlexander Motin 809829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRREG, ISNS_FLAG_CLIENT); 810829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 811829603e2SAlexander Motin isns_req_add_delim(req); 812829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 813829603e2SAlexander Motin isns_req_add_32(req, 2, 2); /* 2 -- iSCSI */ 814829603e2SAlexander Motin isns_req_add_32(req, 6, conf->conf_isns_period); 815829603e2SAlexander Motin TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 816829603e2SAlexander Motin if (pg->pg_unassigned) 817829603e2SAlexander Motin continue; 818829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 819829603e2SAlexander Motin isns_req_add_addr(req, 16, portal->p_ai); 820829603e2SAlexander Motin isns_req_add_port(req, 17, portal->p_ai); 821829603e2SAlexander Motin } 822829603e2SAlexander Motin } 823829603e2SAlexander Motin TAILQ_FOREACH(target, &conf->conf_targets, t_next) { 824829603e2SAlexander Motin isns_req_add_str(req, 32, target->t_name); 825829603e2SAlexander Motin isns_req_add_32(req, 33, 1); /* 1 -- Target*/ 826829603e2SAlexander Motin if (target->t_alias != NULL) 827829603e2SAlexander Motin isns_req_add_str(req, 34, target->t_alias); 82892847ee1SAlexander Motin TAILQ_FOREACH(port, &target->t_ports, p_ts) { 82992847ee1SAlexander Motin if ((pg = port->p_portal_group) == NULL) 83092847ee1SAlexander Motin continue; 831829603e2SAlexander Motin isns_req_add_32(req, 51, pg->pg_tag); 832829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 833829603e2SAlexander Motin isns_req_add_addr(req, 49, portal->p_ai); 834829603e2SAlexander Motin isns_req_add_port(req, 50, portal->p_ai); 835829603e2SAlexander Motin } 836829603e2SAlexander Motin } 83792847ee1SAlexander Motin } 838829603e2SAlexander Motin res = isns_req_send(s, req); 839829603e2SAlexander Motin if (res < 0) { 840829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 841829603e2SAlexander Motin goto quit; 842829603e2SAlexander Motin } 843829603e2SAlexander Motin res = isns_req_receive(s, req); 844829603e2SAlexander Motin if (res < 0) { 845829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 846829603e2SAlexander Motin goto quit; 847829603e2SAlexander Motin } 848829603e2SAlexander Motin error = isns_req_get_status(req); 849829603e2SAlexander Motin if (error != 0) { 850829603e2SAlexander Motin log_warnx("iSNS register error %d for %s", error, isns->i_addr); 851829603e2SAlexander Motin res = -1; 852829603e2SAlexander Motin } 853829603e2SAlexander Motin quit: 854829603e2SAlexander Motin isns_req_free(req); 855829603e2SAlexander Motin return (res); 856829603e2SAlexander Motin } 857829603e2SAlexander Motin 858829603e2SAlexander Motin static int 859829603e2SAlexander Motin isns_do_check(struct isns *isns, int s, const char *hostname) 860829603e2SAlexander Motin { 861829603e2SAlexander Motin struct conf *conf = isns->i_conf; 862829603e2SAlexander Motin struct isns_req *req; 863829603e2SAlexander Motin int res = 0; 864829603e2SAlexander Motin uint32_t error; 865829603e2SAlexander Motin 866829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRQRY, ISNS_FLAG_CLIENT); 867829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 868829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 869829603e2SAlexander Motin isns_req_add_delim(req); 870829603e2SAlexander Motin isns_req_add(req, 2, 0, NULL); 871829603e2SAlexander Motin res = isns_req_send(s, req); 872829603e2SAlexander Motin if (res < 0) { 873829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 874829603e2SAlexander Motin goto quit; 875829603e2SAlexander Motin } 876829603e2SAlexander Motin res = isns_req_receive(s, req); 877829603e2SAlexander Motin if (res < 0) { 878829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 879829603e2SAlexander Motin goto quit; 880829603e2SAlexander Motin } 881829603e2SAlexander Motin error = isns_req_get_status(req); 882829603e2SAlexander Motin if (error != 0) { 883829603e2SAlexander Motin log_warnx("iSNS check error %d for %s", error, isns->i_addr); 884829603e2SAlexander Motin res = -1; 885829603e2SAlexander Motin } 886829603e2SAlexander Motin quit: 887829603e2SAlexander Motin isns_req_free(req); 888829603e2SAlexander Motin return (res); 889829603e2SAlexander Motin } 890829603e2SAlexander Motin 891829603e2SAlexander Motin static int 892829603e2SAlexander Motin isns_do_deregister(struct isns *isns, int s, const char *hostname) 893829603e2SAlexander Motin { 894829603e2SAlexander Motin struct conf *conf = isns->i_conf; 895829603e2SAlexander Motin struct isns_req *req; 896829603e2SAlexander Motin int res = 0; 897829603e2SAlexander Motin uint32_t error; 898829603e2SAlexander Motin 899829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVDEREG, ISNS_FLAG_CLIENT); 900829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 901829603e2SAlexander Motin isns_req_add_delim(req); 902829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 903829603e2SAlexander Motin res = isns_req_send(s, req); 904829603e2SAlexander Motin if (res < 0) { 905829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 906829603e2SAlexander Motin goto quit; 907829603e2SAlexander Motin } 908829603e2SAlexander Motin res = isns_req_receive(s, req); 909829603e2SAlexander Motin if (res < 0) { 910829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 911829603e2SAlexander Motin goto quit; 912829603e2SAlexander Motin } 913829603e2SAlexander Motin error = isns_req_get_status(req); 914829603e2SAlexander Motin if (error != 0) { 915829603e2SAlexander Motin log_warnx("iSNS deregister error %d for %s", error, isns->i_addr); 916829603e2SAlexander Motin res = -1; 917829603e2SAlexander Motin } 918829603e2SAlexander Motin quit: 919829603e2SAlexander Motin isns_req_free(req); 920829603e2SAlexander Motin return (res); 921829603e2SAlexander Motin } 922829603e2SAlexander Motin 923829603e2SAlexander Motin void 924829603e2SAlexander Motin isns_register(struct isns *isns, struct isns *oldisns) 925829603e2SAlexander Motin { 926829603e2SAlexander Motin struct conf *conf = isns->i_conf; 927d5cc4a4aSAlexander Motin int s; 928829603e2SAlexander Motin char hostname[256]; 929829603e2SAlexander Motin 930829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 931829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 932829603e2SAlexander Motin return; 933829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 934829603e2SAlexander Motin s = isns_do_connect(isns); 935829603e2SAlexander Motin if (s < 0) { 936829603e2SAlexander Motin set_timeout(0, false); 937829603e2SAlexander Motin return; 938829603e2SAlexander Motin } 939829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 940829603e2SAlexander Motin 941829603e2SAlexander Motin if (oldisns == NULL || TAILQ_EMPTY(&oldisns->i_conf->conf_targets)) 942829603e2SAlexander Motin oldisns = isns; 943d5cc4a4aSAlexander Motin isns_do_deregister(oldisns, s, hostname); 944d5cc4a4aSAlexander Motin isns_do_register(isns, s, hostname); 945829603e2SAlexander Motin close(s); 946829603e2SAlexander Motin set_timeout(0, false); 947829603e2SAlexander Motin } 948829603e2SAlexander Motin 949829603e2SAlexander Motin void 950829603e2SAlexander Motin isns_check(struct isns *isns) 951829603e2SAlexander Motin { 952829603e2SAlexander Motin struct conf *conf = isns->i_conf; 953829603e2SAlexander Motin int s, res; 954829603e2SAlexander Motin char hostname[256]; 955829603e2SAlexander Motin 956829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 957829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 958829603e2SAlexander Motin return; 959829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 960829603e2SAlexander Motin s = isns_do_connect(isns); 961829603e2SAlexander Motin if (s < 0) { 962829603e2SAlexander Motin set_timeout(0, false); 963829603e2SAlexander Motin return; 964829603e2SAlexander Motin } 965829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 966829603e2SAlexander Motin 967829603e2SAlexander Motin res = isns_do_check(isns, s, hostname); 968829603e2SAlexander Motin if (res < 0) { 969d5cc4a4aSAlexander Motin isns_do_deregister(isns, s, hostname); 970d5cc4a4aSAlexander Motin isns_do_register(isns, s, hostname); 971829603e2SAlexander Motin } 972829603e2SAlexander Motin close(s); 973829603e2SAlexander Motin set_timeout(0, false); 974829603e2SAlexander Motin } 975829603e2SAlexander Motin 976829603e2SAlexander Motin void 977829603e2SAlexander Motin isns_deregister(struct isns *isns) 978829603e2SAlexander Motin { 979829603e2SAlexander Motin struct conf *conf = isns->i_conf; 980d5cc4a4aSAlexander Motin int s; 981829603e2SAlexander Motin char hostname[256]; 982829603e2SAlexander Motin 983829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 984829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 985829603e2SAlexander Motin return; 986829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 987829603e2SAlexander Motin s = isns_do_connect(isns); 988829603e2SAlexander Motin if (s < 0) 989829603e2SAlexander Motin return; 990829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 991829603e2SAlexander Motin 992d5cc4a4aSAlexander Motin isns_do_deregister(isns, s, hostname); 993829603e2SAlexander Motin close(s); 994829603e2SAlexander Motin set_timeout(0, false); 995829603e2SAlexander Motin } 996829603e2SAlexander Motin 99705374883SEdward Tomasz Napierala int 998bd833b11SEdward Tomasz Napierala portal_group_set_filter(struct portal_group *pg, const char *str) 99905374883SEdward Tomasz Napierala { 1000bd833b11SEdward Tomasz Napierala int filter; 100105374883SEdward Tomasz Napierala 100205374883SEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 100305374883SEdward Tomasz Napierala filter = PG_FILTER_NONE; 100405374883SEdward Tomasz Napierala } else if (strcmp(str, "portal") == 0) { 100505374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL; 100605374883SEdward Tomasz Napierala } else if (strcmp(str, "portal-name") == 0) { 100705374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL_NAME; 100805374883SEdward Tomasz Napierala } else if (strcmp(str, "portal-name-auth") == 0) { 100905374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL_NAME_AUTH; 101005374883SEdward Tomasz Napierala } else { 101105374883SEdward Tomasz Napierala log_warnx("invalid discovery-filter \"%s\" for portal-group " 101205374883SEdward Tomasz Napierala "\"%s\"; valid values are \"none\", \"portal\", " 101305374883SEdward Tomasz Napierala "\"portal-name\", and \"portal-name-auth\"", 101405374883SEdward Tomasz Napierala str, pg->pg_name); 101505374883SEdward Tomasz Napierala return (1); 101605374883SEdward Tomasz Napierala } 101705374883SEdward Tomasz Napierala 1018bd833b11SEdward Tomasz Napierala if (pg->pg_discovery_filter != PG_FILTER_UNKNOWN && 1019bd833b11SEdward Tomasz Napierala pg->pg_discovery_filter != filter) { 102005374883SEdward Tomasz Napierala log_warnx("cannot set discovery-filter to \"%s\" for " 102105374883SEdward Tomasz Napierala "portal-group \"%s\"; already has a different " 102205374883SEdward Tomasz Napierala "value", str, pg->pg_name); 102305374883SEdward Tomasz Napierala return (1); 102405374883SEdward Tomasz Napierala } 102505374883SEdward Tomasz Napierala 1026bd833b11SEdward Tomasz Napierala pg->pg_discovery_filter = filter; 1027bd833b11SEdward Tomasz Napierala 1028bd833b11SEdward Tomasz Napierala return (0); 102905374883SEdward Tomasz Napierala } 103005374883SEdward Tomasz Napierala 10316dbdbf82SEdward Tomasz Napierala int 1032a9d78210SEdward Tomasz Napierala portal_group_set_offload(struct portal_group *pg, const char *offload) 1033a9d78210SEdward Tomasz Napierala { 1034a9d78210SEdward Tomasz Napierala 1035a9d78210SEdward Tomasz Napierala if (pg->pg_offload != NULL) { 1036a9d78210SEdward Tomasz Napierala log_warnx("cannot set offload to \"%s\" for " 1037a9d78210SEdward Tomasz Napierala "portal-group \"%s\"; already defined", 1038a9d78210SEdward Tomasz Napierala offload, pg->pg_name); 1039a9d78210SEdward Tomasz Napierala return (1); 1040a9d78210SEdward Tomasz Napierala } 1041a9d78210SEdward Tomasz Napierala 1042a9d78210SEdward Tomasz Napierala pg->pg_offload = checked_strdup(offload); 1043a9d78210SEdward Tomasz Napierala 1044a9d78210SEdward Tomasz Napierala return (0); 1045a9d78210SEdward Tomasz Napierala } 1046a9d78210SEdward Tomasz Napierala 1047a9d78210SEdward Tomasz Napierala int 10486dbdbf82SEdward Tomasz Napierala portal_group_set_redirection(struct portal_group *pg, const char *addr) 10496dbdbf82SEdward Tomasz Napierala { 10506dbdbf82SEdward Tomasz Napierala 10516dbdbf82SEdward Tomasz Napierala if (pg->pg_redirection != NULL) { 10526dbdbf82SEdward Tomasz Napierala log_warnx("cannot set redirection to \"%s\" for " 10536dbdbf82SEdward Tomasz Napierala "portal-group \"%s\"; already defined", 10546dbdbf82SEdward Tomasz Napierala addr, pg->pg_name); 10556dbdbf82SEdward Tomasz Napierala return (1); 10566dbdbf82SEdward Tomasz Napierala } 10576dbdbf82SEdward Tomasz Napierala 10586dbdbf82SEdward Tomasz Napierala pg->pg_redirection = checked_strdup(addr); 10596dbdbf82SEdward Tomasz Napierala 10606dbdbf82SEdward Tomasz Napierala return (0); 10616dbdbf82SEdward Tomasz Napierala } 10626dbdbf82SEdward Tomasz Napierala 1063009ea47eSEdward Tomasz Napierala static bool 1064009ea47eSEdward Tomasz Napierala valid_hex(const char ch) 1065009ea47eSEdward Tomasz Napierala { 1066009ea47eSEdward Tomasz Napierala switch (ch) { 1067009ea47eSEdward Tomasz Napierala case '0': 1068009ea47eSEdward Tomasz Napierala case '1': 1069009ea47eSEdward Tomasz Napierala case '2': 1070009ea47eSEdward Tomasz Napierala case '3': 1071009ea47eSEdward Tomasz Napierala case '4': 1072009ea47eSEdward Tomasz Napierala case '5': 1073009ea47eSEdward Tomasz Napierala case '6': 1074009ea47eSEdward Tomasz Napierala case '7': 1075009ea47eSEdward Tomasz Napierala case '8': 1076009ea47eSEdward Tomasz Napierala case '9': 1077009ea47eSEdward Tomasz Napierala case 'a': 1078009ea47eSEdward Tomasz Napierala case 'A': 1079009ea47eSEdward Tomasz Napierala case 'b': 1080009ea47eSEdward Tomasz Napierala case 'B': 1081009ea47eSEdward Tomasz Napierala case 'c': 1082009ea47eSEdward Tomasz Napierala case 'C': 1083009ea47eSEdward Tomasz Napierala case 'd': 1084009ea47eSEdward Tomasz Napierala case 'D': 1085009ea47eSEdward Tomasz Napierala case 'e': 1086009ea47eSEdward Tomasz Napierala case 'E': 1087009ea47eSEdward Tomasz Napierala case 'f': 1088009ea47eSEdward Tomasz Napierala case 'F': 1089009ea47eSEdward Tomasz Napierala return (true); 1090009ea47eSEdward Tomasz Napierala default: 1091009ea47eSEdward Tomasz Napierala return (false); 1092009ea47eSEdward Tomasz Napierala } 1093009ea47eSEdward Tomasz Napierala } 1094009ea47eSEdward Tomasz Napierala 1095009ea47eSEdward Tomasz Napierala bool 1096009ea47eSEdward Tomasz Napierala valid_iscsi_name(const char *name) 1097009ea47eSEdward Tomasz Napierala { 1098009ea47eSEdward Tomasz Napierala int i; 1099009ea47eSEdward Tomasz Napierala 1100009ea47eSEdward Tomasz Napierala if (strlen(name) >= MAX_NAME_LEN) { 1101009ea47eSEdward Tomasz Napierala log_warnx("overlong name for target \"%s\"; max length allowed " 1102009ea47eSEdward Tomasz Napierala "by iSCSI specification is %d characters", 1103009ea47eSEdward Tomasz Napierala name, MAX_NAME_LEN); 1104009ea47eSEdward Tomasz Napierala return (false); 1105009ea47eSEdward Tomasz Napierala } 1106009ea47eSEdward Tomasz Napierala 1107009ea47eSEdward Tomasz Napierala /* 1108009ea47eSEdward Tomasz Napierala * In the cases below, we don't return an error, just in case the admin 1109009ea47eSEdward Tomasz Napierala * was right, and we're wrong. 1110009ea47eSEdward Tomasz Napierala */ 1111009ea47eSEdward Tomasz Napierala if (strncasecmp(name, "iqn.", strlen("iqn.")) == 0) { 1112009ea47eSEdward Tomasz Napierala for (i = strlen("iqn."); name[i] != '\0'; i++) { 1113009ea47eSEdward Tomasz Napierala /* 1114009ea47eSEdward Tomasz Napierala * XXX: We should verify UTF-8 normalisation, as defined 1115009ea47eSEdward Tomasz Napierala * by 3.2.6.2: iSCSI Name Encoding. 1116009ea47eSEdward Tomasz Napierala */ 1117009ea47eSEdward Tomasz Napierala if (isalnum(name[i])) 1118009ea47eSEdward Tomasz Napierala continue; 1119009ea47eSEdward Tomasz Napierala if (name[i] == '-' || name[i] == '.' || name[i] == ':') 1120009ea47eSEdward Tomasz Napierala continue; 1121009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target name " 1122009ea47eSEdward Tomasz Napierala "\"%s\"; allowed characters are letters, digits, " 1123009ea47eSEdward Tomasz Napierala "'-', '.', and ':'", name[i], name); 1124009ea47eSEdward Tomasz Napierala break; 1125009ea47eSEdward Tomasz Napierala } 1126009ea47eSEdward Tomasz Napierala /* 1127009ea47eSEdward Tomasz Napierala * XXX: Check more stuff: valid date and a valid reversed domain. 1128009ea47eSEdward Tomasz Napierala */ 1129009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "eui.", strlen("eui.")) == 0) { 1130009ea47eSEdward Tomasz Napierala if (strlen(name) != strlen("eui.") + 16) 1131009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"eui.\" " 1132009ea47eSEdward Tomasz Napierala "should be followed by exactly 16 hexadecimal " 1133009ea47eSEdward Tomasz Napierala "digits", name); 1134009ea47eSEdward Tomasz Napierala for (i = strlen("eui."); name[i] != '\0'; i++) { 1135009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1136009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1137009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1138009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1139009ea47eSEdward Tomasz Napierala break; 1140009ea47eSEdward Tomasz Napierala } 1141009ea47eSEdward Tomasz Napierala } 1142009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "naa.", strlen("naa.")) == 0) { 1143009ea47eSEdward Tomasz Napierala if (strlen(name) > strlen("naa.") + 32) 1144009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"naa.\" " 1145009ea47eSEdward Tomasz Napierala "should be followed by at most 32 hexadecimal " 1146009ea47eSEdward Tomasz Napierala "digits", name); 1147009ea47eSEdward Tomasz Napierala for (i = strlen("naa."); 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 { 1156009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; should start with " 1157d7b87b89SJosh Paetzel "either \"iqn.\", \"eui.\", or \"naa.\"", 1158009ea47eSEdward Tomasz Napierala name); 1159009ea47eSEdward Tomasz Napierala } 1160009ea47eSEdward Tomasz Napierala return (true); 1161009ea47eSEdward Tomasz Napierala } 1162009ea47eSEdward Tomasz Napierala 1163057abcb0SAlexander Motin struct pport * 1164057abcb0SAlexander Motin pport_new(struct conf *conf, const char *name, uint32_t ctl_port) 1165057abcb0SAlexander Motin { 1166057abcb0SAlexander Motin struct pport *pp; 1167057abcb0SAlexander Motin 1168057abcb0SAlexander Motin pp = calloc(1, sizeof(*pp)); 1169057abcb0SAlexander Motin if (pp == NULL) 1170057abcb0SAlexander Motin log_err(1, "calloc"); 1171057abcb0SAlexander Motin pp->pp_conf = conf; 1172057abcb0SAlexander Motin pp->pp_name = checked_strdup(name); 1173057abcb0SAlexander Motin pp->pp_ctl_port = ctl_port; 1174057abcb0SAlexander Motin TAILQ_INIT(&pp->pp_ports); 1175057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_pports, pp, pp_next); 1176057abcb0SAlexander Motin return (pp); 1177057abcb0SAlexander Motin } 1178057abcb0SAlexander Motin 1179057abcb0SAlexander Motin struct pport * 1180057abcb0SAlexander Motin pport_find(const struct conf *conf, const char *name) 1181057abcb0SAlexander Motin { 1182057abcb0SAlexander Motin struct pport *pp; 1183057abcb0SAlexander Motin 1184057abcb0SAlexander Motin TAILQ_FOREACH(pp, &conf->conf_pports, pp_next) { 1185057abcb0SAlexander Motin if (strcasecmp(pp->pp_name, name) == 0) 1186057abcb0SAlexander Motin return (pp); 1187057abcb0SAlexander Motin } 1188057abcb0SAlexander Motin return (NULL); 1189057abcb0SAlexander Motin } 1190057abcb0SAlexander Motin 1191057abcb0SAlexander Motin struct pport * 1192057abcb0SAlexander Motin pport_copy(struct pport *pp, struct conf *conf) 1193057abcb0SAlexander Motin { 1194057abcb0SAlexander Motin struct pport *ppnew; 1195057abcb0SAlexander Motin 1196057abcb0SAlexander Motin ppnew = pport_new(conf, pp->pp_name, pp->pp_ctl_port); 1197057abcb0SAlexander Motin return (ppnew); 1198057abcb0SAlexander Motin } 1199057abcb0SAlexander Motin 1200057abcb0SAlexander Motin void 1201057abcb0SAlexander Motin pport_delete(struct pport *pp) 1202057abcb0SAlexander Motin { 1203057abcb0SAlexander Motin struct port *port, *tport; 1204057abcb0SAlexander Motin 1205057abcb0SAlexander Motin TAILQ_FOREACH_SAFE(port, &pp->pp_ports, p_ts, tport) 1206057abcb0SAlexander Motin port_delete(port); 1207057abcb0SAlexander Motin TAILQ_REMOVE(&pp->pp_conf->conf_pports, pp, pp_next); 1208057abcb0SAlexander Motin free(pp->pp_name); 1209057abcb0SAlexander Motin free(pp); 1210057abcb0SAlexander Motin } 1211057abcb0SAlexander Motin 121292847ee1SAlexander Motin struct port * 121392847ee1SAlexander Motin port_new(struct conf *conf, struct target *target, struct portal_group *pg) 121492847ee1SAlexander Motin { 121592847ee1SAlexander Motin struct port *port; 1216057abcb0SAlexander Motin char *name; 121755e4579eSAlexander Motin int ret; 121892847ee1SAlexander Motin 121955e4579eSAlexander Motin ret = asprintf(&name, "%s-%s", pg->pg_name, target->t_name); 122055e4579eSAlexander Motin if (ret <= 0) 122155e4579eSAlexander Motin log_err(1, "asprintf"); 1222057abcb0SAlexander Motin if (port_find(conf, name) != NULL) { 1223057abcb0SAlexander Motin log_warnx("duplicate port \"%s\"", name); 1224057abcb0SAlexander Motin free(name); 1225057abcb0SAlexander Motin return (NULL); 1226057abcb0SAlexander Motin } 122792847ee1SAlexander Motin port = calloc(1, sizeof(*port)); 122892847ee1SAlexander Motin if (port == NULL) 122992847ee1SAlexander Motin log_err(1, "calloc"); 123092847ee1SAlexander Motin port->p_conf = conf; 1231057abcb0SAlexander Motin port->p_name = name; 123292847ee1SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_ports, port, p_next); 123392847ee1SAlexander Motin TAILQ_INSERT_TAIL(&target->t_ports, port, p_ts); 123492847ee1SAlexander Motin port->p_target = target; 123592847ee1SAlexander Motin TAILQ_INSERT_TAIL(&pg->pg_ports, port, p_pgs); 123692847ee1SAlexander Motin port->p_portal_group = pg; 1237db7bf2baSAlexander Motin port->p_foreign = pg->pg_foreign; 123892847ee1SAlexander Motin return (port); 123992847ee1SAlexander Motin } 124092847ee1SAlexander Motin 124192847ee1SAlexander Motin struct port * 1242057abcb0SAlexander Motin port_new_pp(struct conf *conf, struct target *target, struct pport *pp) 1243057abcb0SAlexander Motin { 1244057abcb0SAlexander Motin struct port *port; 1245057abcb0SAlexander Motin char *name; 124655e4579eSAlexander Motin int ret; 1247057abcb0SAlexander Motin 124855e4579eSAlexander Motin ret = asprintf(&name, "%s-%s", pp->pp_name, target->t_name); 124955e4579eSAlexander Motin if (ret <= 0) 125055e4579eSAlexander Motin log_err(1, "asprintf"); 1251057abcb0SAlexander Motin if (port_find(conf, name) != NULL) { 1252057abcb0SAlexander Motin log_warnx("duplicate port \"%s\"", name); 1253057abcb0SAlexander Motin free(name); 1254057abcb0SAlexander Motin return (NULL); 1255057abcb0SAlexander Motin } 1256057abcb0SAlexander Motin port = calloc(1, sizeof(*port)); 1257057abcb0SAlexander Motin if (port == NULL) 1258057abcb0SAlexander Motin log_err(1, "calloc"); 1259057abcb0SAlexander Motin port->p_conf = conf; 1260057abcb0SAlexander Motin port->p_name = name; 1261057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_ports, port, p_next); 1262057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&target->t_ports, port, p_ts); 1263057abcb0SAlexander Motin port->p_target = target; 1264057abcb0SAlexander Motin TAILQ_INSERT_TAIL(&pp->pp_ports, port, p_pps); 1265057abcb0SAlexander Motin port->p_pport = pp; 1266057abcb0SAlexander Motin return (port); 1267057abcb0SAlexander Motin } 1268057abcb0SAlexander Motin 1269057abcb0SAlexander Motin struct port * 127092847ee1SAlexander Motin port_find(const struct conf *conf, const char *name) 127192847ee1SAlexander Motin { 127292847ee1SAlexander Motin struct port *port; 127392847ee1SAlexander Motin 127492847ee1SAlexander Motin TAILQ_FOREACH(port, &conf->conf_ports, p_next) { 127592847ee1SAlexander Motin if (strcasecmp(port->p_name, name) == 0) 127692847ee1SAlexander Motin return (port); 127792847ee1SAlexander Motin } 127892847ee1SAlexander Motin 127992847ee1SAlexander Motin return (NULL); 128092847ee1SAlexander Motin } 128192847ee1SAlexander Motin 128292847ee1SAlexander Motin struct port * 128392847ee1SAlexander Motin port_find_in_pg(const struct portal_group *pg, const char *target) 128492847ee1SAlexander Motin { 128592847ee1SAlexander Motin struct port *port; 128692847ee1SAlexander Motin 128792847ee1SAlexander Motin TAILQ_FOREACH(port, &pg->pg_ports, p_pgs) { 128892847ee1SAlexander Motin if (strcasecmp(port->p_target->t_name, target) == 0) 128992847ee1SAlexander Motin return (port); 129092847ee1SAlexander Motin } 129192847ee1SAlexander Motin 129292847ee1SAlexander Motin return (NULL); 129392847ee1SAlexander Motin } 129492847ee1SAlexander Motin 129592847ee1SAlexander Motin void 129692847ee1SAlexander Motin port_delete(struct port *port) 129792847ee1SAlexander Motin { 129892847ee1SAlexander Motin 129992847ee1SAlexander Motin if (port->p_portal_group) 130092847ee1SAlexander Motin TAILQ_REMOVE(&port->p_portal_group->pg_ports, port, p_pgs); 1301057abcb0SAlexander Motin if (port->p_pport) 1302057abcb0SAlexander Motin TAILQ_REMOVE(&port->p_pport->pp_ports, port, p_pps); 130392847ee1SAlexander Motin if (port->p_target) 130492847ee1SAlexander Motin TAILQ_REMOVE(&port->p_target->t_ports, port, p_ts); 130592847ee1SAlexander Motin TAILQ_REMOVE(&port->p_conf->conf_ports, port, p_next); 130692847ee1SAlexander Motin free(port->p_name); 130792847ee1SAlexander Motin free(port); 130892847ee1SAlexander Motin } 130992847ee1SAlexander Motin 1310009ea47eSEdward Tomasz Napierala struct target * 1311f7ae5bf8SEdward Tomasz Napierala target_new(struct conf *conf, const char *name) 1312009ea47eSEdward Tomasz Napierala { 1313009ea47eSEdward Tomasz Napierala struct target *targ; 1314009ea47eSEdward Tomasz Napierala int i, len; 1315009ea47eSEdward Tomasz Napierala 1316f7ae5bf8SEdward Tomasz Napierala targ = target_find(conf, name); 1317009ea47eSEdward Tomasz Napierala if (targ != NULL) { 1318f7ae5bf8SEdward Tomasz Napierala log_warnx("duplicated target \"%s\"", name); 1319009ea47eSEdward Tomasz Napierala return (NULL); 1320009ea47eSEdward Tomasz Napierala } 1321f7ae5bf8SEdward Tomasz Napierala if (valid_iscsi_name(name) == false) { 1322f7ae5bf8SEdward Tomasz Napierala log_warnx("target name \"%s\" is invalid", name); 1323009ea47eSEdward Tomasz Napierala return (NULL); 1324009ea47eSEdward Tomasz Napierala } 1325009ea47eSEdward Tomasz Napierala targ = calloc(1, sizeof(*targ)); 1326009ea47eSEdward Tomasz Napierala if (targ == NULL) 1327009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1328f7ae5bf8SEdward Tomasz Napierala targ->t_name = checked_strdup(name); 1329009ea47eSEdward Tomasz Napierala 1330009ea47eSEdward Tomasz Napierala /* 1331009ea47eSEdward Tomasz Napierala * RFC 3722 requires us to normalize the name to lowercase. 1332009ea47eSEdward Tomasz Napierala */ 1333f7ae5bf8SEdward Tomasz Napierala len = strlen(name); 1334009ea47eSEdward Tomasz Napierala for (i = 0; i < len; i++) 1335f7ae5bf8SEdward Tomasz Napierala targ->t_name[i] = tolower(targ->t_name[i]); 1336009ea47eSEdward Tomasz Napierala 1337009ea47eSEdward Tomasz Napierala targ->t_conf = conf; 133892847ee1SAlexander Motin TAILQ_INIT(&targ->t_ports); 1339009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_targets, targ, t_next); 1340009ea47eSEdward Tomasz Napierala 1341009ea47eSEdward Tomasz Napierala return (targ); 1342009ea47eSEdward Tomasz Napierala } 1343009ea47eSEdward Tomasz Napierala 1344009ea47eSEdward Tomasz Napierala void 1345009ea47eSEdward Tomasz Napierala target_delete(struct target *targ) 1346009ea47eSEdward Tomasz Napierala { 134792847ee1SAlexander Motin struct port *port, *tport; 1348009ea47eSEdward Tomasz Napierala 134992847ee1SAlexander Motin TAILQ_FOREACH_SAFE(port, &targ->t_ports, p_ts, tport) 135092847ee1SAlexander Motin port_delete(port); 1351009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&targ->t_conf->conf_targets, targ, t_next); 1352009ea47eSEdward Tomasz Napierala 1353f7ae5bf8SEdward Tomasz Napierala free(targ->t_name); 13546dbdbf82SEdward Tomasz Napierala free(targ->t_redirection); 1355009ea47eSEdward Tomasz Napierala free(targ); 1356009ea47eSEdward Tomasz Napierala } 1357009ea47eSEdward Tomasz Napierala 1358009ea47eSEdward Tomasz Napierala struct target * 1359f7ae5bf8SEdward Tomasz Napierala target_find(struct conf *conf, const char *name) 1360009ea47eSEdward Tomasz Napierala { 1361009ea47eSEdward Tomasz Napierala struct target *targ; 1362009ea47eSEdward Tomasz Napierala 1363009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1364f7ae5bf8SEdward Tomasz Napierala if (strcasecmp(targ->t_name, name) == 0) 1365009ea47eSEdward Tomasz Napierala return (targ); 1366009ea47eSEdward Tomasz Napierala } 1367009ea47eSEdward Tomasz Napierala 1368009ea47eSEdward Tomasz Napierala return (NULL); 1369009ea47eSEdward Tomasz Napierala } 1370009ea47eSEdward Tomasz Napierala 13716dbdbf82SEdward Tomasz Napierala int 13726dbdbf82SEdward Tomasz Napierala target_set_redirection(struct target *target, const char *addr) 13736dbdbf82SEdward Tomasz Napierala { 13746dbdbf82SEdward Tomasz Napierala 13756dbdbf82SEdward Tomasz Napierala if (target->t_redirection != NULL) { 13766dbdbf82SEdward Tomasz Napierala log_warnx("cannot set redirection to \"%s\" for " 13776dbdbf82SEdward Tomasz Napierala "target \"%s\"; already defined", 13786dbdbf82SEdward Tomasz Napierala addr, target->t_name); 13796dbdbf82SEdward Tomasz Napierala return (1); 13806dbdbf82SEdward Tomasz Napierala } 13816dbdbf82SEdward Tomasz Napierala 13826dbdbf82SEdward Tomasz Napierala target->t_redirection = checked_strdup(addr); 13836dbdbf82SEdward Tomasz Napierala 13846dbdbf82SEdward Tomasz Napierala return (0); 13856dbdbf82SEdward Tomasz Napierala } 13866dbdbf82SEdward Tomasz Napierala 1387009ea47eSEdward Tomasz Napierala struct lun * 1388920c6cbaSAlexander Motin lun_new(struct conf *conf, const char *name) 1389009ea47eSEdward Tomasz Napierala { 1390009ea47eSEdward Tomasz Napierala struct lun *lun; 1391009ea47eSEdward Tomasz Napierala 1392920c6cbaSAlexander Motin lun = lun_find(conf, name); 1393009ea47eSEdward Tomasz Napierala if (lun != NULL) { 1394920c6cbaSAlexander Motin log_warnx("duplicated lun \"%s\"", name); 1395009ea47eSEdward Tomasz Napierala return (NULL); 1396009ea47eSEdward Tomasz Napierala } 1397009ea47eSEdward Tomasz Napierala 1398009ea47eSEdward Tomasz Napierala lun = calloc(1, sizeof(*lun)); 1399009ea47eSEdward Tomasz Napierala if (lun == NULL) 1400009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1401920c6cbaSAlexander Motin lun->l_conf = conf; 1402920c6cbaSAlexander Motin lun->l_name = checked_strdup(name); 1403009ea47eSEdward Tomasz Napierala TAILQ_INIT(&lun->l_options); 1404920c6cbaSAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_luns, lun, l_next); 14053933f7b1SAlexander Motin lun->l_ctl_lun = -1; 1406009ea47eSEdward Tomasz Napierala 1407009ea47eSEdward Tomasz Napierala return (lun); 1408009ea47eSEdward Tomasz Napierala } 1409009ea47eSEdward Tomasz Napierala 1410009ea47eSEdward Tomasz Napierala void 1411009ea47eSEdward Tomasz Napierala lun_delete(struct lun *lun) 1412009ea47eSEdward Tomasz Napierala { 1413920c6cbaSAlexander Motin struct target *targ; 1414398290f2SAlexander Motin struct option *o, *tmp; 1415920c6cbaSAlexander Motin int i; 1416009ea47eSEdward Tomasz Napierala 1417920c6cbaSAlexander Motin TAILQ_FOREACH(targ, &lun->l_conf->conf_targets, t_next) { 1418920c6cbaSAlexander Motin for (i = 0; i < MAX_LUNS; i++) { 1419920c6cbaSAlexander Motin if (targ->t_luns[i] == lun) 1420920c6cbaSAlexander Motin targ->t_luns[i] = NULL; 1421920c6cbaSAlexander Motin } 1422920c6cbaSAlexander Motin } 1423920c6cbaSAlexander Motin TAILQ_REMOVE(&lun->l_conf->conf_luns, lun, l_next); 1424009ea47eSEdward Tomasz Napierala 1425398290f2SAlexander Motin TAILQ_FOREACH_SAFE(o, &lun->l_options, o_next, tmp) 1426398290f2SAlexander Motin option_delete(&lun->l_options, o); 1427920c6cbaSAlexander Motin free(lun->l_name); 1428009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1429009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1430009ea47eSEdward Tomasz Napierala free(lun->l_path); 1431920c6cbaSAlexander Motin free(lun->l_scsiname); 1432009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1433009ea47eSEdward Tomasz Napierala free(lun); 1434009ea47eSEdward Tomasz Napierala } 1435009ea47eSEdward Tomasz Napierala 1436009ea47eSEdward Tomasz Napierala struct lun * 1437920c6cbaSAlexander Motin lun_find(const struct conf *conf, const char *name) 1438009ea47eSEdward Tomasz Napierala { 1439009ea47eSEdward Tomasz Napierala struct lun *lun; 1440009ea47eSEdward Tomasz Napierala 1441920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1442920c6cbaSAlexander Motin if (strcmp(lun->l_name, name) == 0) 1443009ea47eSEdward Tomasz Napierala return (lun); 1444009ea47eSEdward Tomasz Napierala } 1445009ea47eSEdward Tomasz Napierala 1446009ea47eSEdward Tomasz Napierala return (NULL); 1447009ea47eSEdward Tomasz Napierala } 1448009ea47eSEdward Tomasz Napierala 1449009ea47eSEdward Tomasz Napierala void 1450009ea47eSEdward Tomasz Napierala lun_set_backend(struct lun *lun, const char *value) 1451009ea47eSEdward Tomasz Napierala { 1452009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1453009ea47eSEdward Tomasz Napierala lun->l_backend = checked_strdup(value); 1454009ea47eSEdward Tomasz Napierala } 1455009ea47eSEdward Tomasz Napierala 1456009ea47eSEdward Tomasz Napierala void 1457009ea47eSEdward Tomasz Napierala lun_set_blocksize(struct lun *lun, size_t value) 1458009ea47eSEdward Tomasz Napierala { 1459009ea47eSEdward Tomasz Napierala 1460009ea47eSEdward Tomasz Napierala lun->l_blocksize = value; 1461009ea47eSEdward Tomasz Napierala } 1462009ea47eSEdward Tomasz Napierala 1463009ea47eSEdward Tomasz Napierala void 146491be33dcSAlexander Motin lun_set_device_type(struct lun *lun, uint8_t value) 146591be33dcSAlexander Motin { 146691be33dcSAlexander Motin 146791be33dcSAlexander Motin lun->l_device_type = value; 146891be33dcSAlexander Motin } 146991be33dcSAlexander Motin 147091be33dcSAlexander Motin void 1471009ea47eSEdward Tomasz Napierala lun_set_device_id(struct lun *lun, const char *value) 1472009ea47eSEdward Tomasz Napierala { 1473009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1474009ea47eSEdward Tomasz Napierala lun->l_device_id = checked_strdup(value); 1475009ea47eSEdward Tomasz Napierala } 1476009ea47eSEdward Tomasz Napierala 1477009ea47eSEdward Tomasz Napierala void 1478009ea47eSEdward Tomasz Napierala lun_set_path(struct lun *lun, const char *value) 1479009ea47eSEdward Tomasz Napierala { 1480009ea47eSEdward Tomasz Napierala free(lun->l_path); 1481009ea47eSEdward Tomasz Napierala lun->l_path = checked_strdup(value); 1482009ea47eSEdward Tomasz Napierala } 1483009ea47eSEdward Tomasz Napierala 1484009ea47eSEdward Tomasz Napierala void 1485920c6cbaSAlexander Motin lun_set_scsiname(struct lun *lun, const char *value) 1486920c6cbaSAlexander Motin { 1487920c6cbaSAlexander Motin free(lun->l_scsiname); 1488920c6cbaSAlexander Motin lun->l_scsiname = checked_strdup(value); 1489920c6cbaSAlexander Motin } 1490920c6cbaSAlexander Motin 1491920c6cbaSAlexander Motin void 1492009ea47eSEdward Tomasz Napierala lun_set_serial(struct lun *lun, const char *value) 1493009ea47eSEdward Tomasz Napierala { 1494009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1495009ea47eSEdward Tomasz Napierala lun->l_serial = checked_strdup(value); 1496009ea47eSEdward Tomasz Napierala } 1497009ea47eSEdward Tomasz Napierala 1498009ea47eSEdward Tomasz Napierala void 1499009ea47eSEdward Tomasz Napierala lun_set_size(struct lun *lun, size_t value) 1500009ea47eSEdward Tomasz Napierala { 1501009ea47eSEdward Tomasz Napierala 1502009ea47eSEdward Tomasz Napierala lun->l_size = value; 1503009ea47eSEdward Tomasz Napierala } 1504009ea47eSEdward Tomasz Napierala 1505009ea47eSEdward Tomasz Napierala void 1506009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(struct lun *lun, uint32_t value) 1507009ea47eSEdward Tomasz Napierala { 1508009ea47eSEdward Tomasz Napierala 1509009ea47eSEdward Tomasz Napierala lun->l_ctl_lun = value; 1510009ea47eSEdward Tomasz Napierala } 1511009ea47eSEdward Tomasz Napierala 1512398290f2SAlexander Motin struct option * 1513398290f2SAlexander Motin option_new(struct options *options, const char *name, const char *value) 1514009ea47eSEdward Tomasz Napierala { 1515398290f2SAlexander Motin struct option *o; 1516009ea47eSEdward Tomasz Napierala 1517398290f2SAlexander Motin o = option_find(options, name); 1518398290f2SAlexander Motin if (o != NULL) { 1519398290f2SAlexander Motin log_warnx("duplicated option \"%s\"", name); 1520009ea47eSEdward Tomasz Napierala return (NULL); 1521009ea47eSEdward Tomasz Napierala } 1522009ea47eSEdward Tomasz Napierala 1523398290f2SAlexander Motin o = calloc(1, sizeof(*o)); 1524398290f2SAlexander Motin if (o == NULL) 1525009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1526398290f2SAlexander Motin o->o_name = checked_strdup(name); 1527398290f2SAlexander Motin o->o_value = checked_strdup(value); 1528398290f2SAlexander Motin TAILQ_INSERT_TAIL(options, o, o_next); 1529009ea47eSEdward Tomasz Napierala 1530398290f2SAlexander Motin return (o); 1531009ea47eSEdward Tomasz Napierala } 1532009ea47eSEdward Tomasz Napierala 1533009ea47eSEdward Tomasz Napierala void 1534398290f2SAlexander Motin option_delete(struct options *options, struct option *o) 1535009ea47eSEdward Tomasz Napierala { 1536009ea47eSEdward Tomasz Napierala 1537398290f2SAlexander Motin TAILQ_REMOVE(options, o, o_next); 1538398290f2SAlexander Motin free(o->o_name); 1539398290f2SAlexander Motin free(o->o_value); 1540398290f2SAlexander Motin free(o); 1541009ea47eSEdward Tomasz Napierala } 1542009ea47eSEdward Tomasz Napierala 1543398290f2SAlexander Motin struct option * 1544398290f2SAlexander Motin option_find(const struct options *options, const char *name) 1545009ea47eSEdward Tomasz Napierala { 1546398290f2SAlexander Motin struct option *o; 1547009ea47eSEdward Tomasz Napierala 1548398290f2SAlexander Motin TAILQ_FOREACH(o, options, o_next) { 1549398290f2SAlexander Motin if (strcmp(o->o_name, name) == 0) 1550398290f2SAlexander Motin return (o); 1551009ea47eSEdward Tomasz Napierala } 1552009ea47eSEdward Tomasz Napierala 1553009ea47eSEdward Tomasz Napierala return (NULL); 1554009ea47eSEdward Tomasz Napierala } 1555009ea47eSEdward Tomasz Napierala 1556009ea47eSEdward Tomasz Napierala void 1557398290f2SAlexander Motin option_set(struct option *o, const char *value) 1558009ea47eSEdward Tomasz Napierala { 1559009ea47eSEdward Tomasz Napierala 1560398290f2SAlexander Motin free(o->o_value); 1561398290f2SAlexander Motin o->o_value = checked_strdup(value); 1562009ea47eSEdward Tomasz Napierala } 1563009ea47eSEdward Tomasz Napierala 1564009ea47eSEdward Tomasz Napierala static struct connection * 1565073edb1cSAlexander Motin connection_new(struct portal *portal, int fd, const char *host, 1566073edb1cSAlexander Motin const struct sockaddr *client_sa) 1567009ea47eSEdward Tomasz Napierala { 1568009ea47eSEdward Tomasz Napierala struct connection *conn; 1569009ea47eSEdward Tomasz Napierala 1570009ea47eSEdward Tomasz Napierala conn = calloc(1, sizeof(*conn)); 1571009ea47eSEdward Tomasz Napierala if (conn == NULL) 1572009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1573009ea47eSEdward Tomasz Napierala conn->conn_portal = portal; 1574009ea47eSEdward Tomasz Napierala conn->conn_socket = fd; 1575009ea47eSEdward Tomasz Napierala conn->conn_initiator_addr = checked_strdup(host); 1576073edb1cSAlexander Motin memcpy(&conn->conn_initiator_sa, client_sa, client_sa->sa_len); 1577009ea47eSEdward Tomasz Napierala 1578009ea47eSEdward Tomasz Napierala /* 1579009ea47eSEdward Tomasz Napierala * Default values, from RFC 3720, section 12. 1580009ea47eSEdward Tomasz Napierala */ 1581009ea47eSEdward Tomasz Napierala conn->conn_max_data_segment_length = 8192; 1582009ea47eSEdward Tomasz Napierala conn->conn_max_burst_length = 262144; 1583009ea47eSEdward Tomasz Napierala conn->conn_immediate_data = true; 1584009ea47eSEdward Tomasz Napierala 1585009ea47eSEdward Tomasz Napierala return (conn); 1586009ea47eSEdward Tomasz Napierala } 1587009ea47eSEdward Tomasz Napierala 1588009ea47eSEdward Tomasz Napierala #if 0 1589009ea47eSEdward Tomasz Napierala static void 1590009ea47eSEdward Tomasz Napierala conf_print(struct conf *conf) 1591009ea47eSEdward Tomasz Napierala { 1592009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1593009ea47eSEdward Tomasz Napierala struct auth *auth; 15948cb2e958SEdward Tomasz Napierala struct auth_name *auth_name; 15958cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal; 1596009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1597009ea47eSEdward Tomasz Napierala struct portal *portal; 1598009ea47eSEdward Tomasz Napierala struct target *targ; 1599009ea47eSEdward Tomasz Napierala struct lun *lun; 1600398290f2SAlexander Motin struct option *o; 1601009ea47eSEdward Tomasz Napierala 1602009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1603009ea47eSEdward Tomasz Napierala fprintf(stderr, "auth-group %s {\n", ag->ag_name); 1604009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) 1605009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t chap-mutual %s %s %s %s\n", 1606009ea47eSEdward Tomasz Napierala auth->a_user, auth->a_secret, 1607009ea47eSEdward Tomasz Napierala auth->a_mutual_user, auth->a_mutual_secret); 16088cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) 16098cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-name %s\n", 16108cb2e958SEdward Tomasz Napierala auth_name->an_initator_name); 16118cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_portal, &ag->ag_portals, an_next) 16128cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-portal %s\n", 16138cb2e958SEdward Tomasz Napierala auth_portal->an_initator_portal); 1614009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1615009ea47eSEdward Tomasz Napierala } 1616009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1617009ea47eSEdward Tomasz Napierala fprintf(stderr, "portal-group %s {\n", pg->pg_name); 1618009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1619009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t listen %s\n", portal->p_listen); 1620009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1621009ea47eSEdward Tomasz Napierala } 1622920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1623920c6cbaSAlexander Motin fprintf(stderr, "\tlun %s {\n", lun->l_name); 1624009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\tpath %s\n", lun->l_path); 1625398290f2SAlexander Motin TAILQ_FOREACH(o, &lun->l_options, o_next) 1626009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\toption %s %s\n", 1627398290f2SAlexander Motin lo->o_name, lo->o_value); 1628009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t}\n"); 1629009ea47eSEdward Tomasz Napierala } 1630920c6cbaSAlexander Motin TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1631920c6cbaSAlexander Motin fprintf(stderr, "target %s {\n", targ->t_name); 1632920c6cbaSAlexander Motin if (targ->t_alias != NULL) 1633920c6cbaSAlexander Motin fprintf(stderr, "\t alias %s\n", targ->t_alias); 1634009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1635009ea47eSEdward Tomasz Napierala } 1636009ea47eSEdward Tomasz Napierala } 1637009ea47eSEdward Tomasz Napierala #endif 1638009ea47eSEdward Tomasz Napierala 16392fabfaa5SEdward Tomasz Napierala static int 16402fabfaa5SEdward Tomasz Napierala conf_verify_lun(struct lun *lun) 16412fabfaa5SEdward Tomasz Napierala { 16422fabfaa5SEdward Tomasz Napierala const struct lun *lun2; 16432fabfaa5SEdward Tomasz Napierala 16442fabfaa5SEdward Tomasz Napierala if (lun->l_backend == NULL) 16452fabfaa5SEdward Tomasz Napierala lun_set_backend(lun, "block"); 16462fabfaa5SEdward Tomasz Napierala if (strcmp(lun->l_backend, "block") == 0) { 16472fabfaa5SEdward Tomasz Napierala if (lun->l_path == NULL) { 1648920c6cbaSAlexander Motin log_warnx("missing path for lun \"%s\"", 1649920c6cbaSAlexander Motin lun->l_name); 16502fabfaa5SEdward Tomasz Napierala return (1); 16512fabfaa5SEdward Tomasz Napierala } 16522fabfaa5SEdward Tomasz Napierala } else if (strcmp(lun->l_backend, "ramdisk") == 0) { 16532fabfaa5SEdward Tomasz Napierala if (lun->l_size == 0) { 1654920c6cbaSAlexander Motin log_warnx("missing size for ramdisk-backed lun \"%s\"", 1655920c6cbaSAlexander Motin lun->l_name); 16562fabfaa5SEdward Tomasz Napierala return (1); 16572fabfaa5SEdward Tomasz Napierala } 16582fabfaa5SEdward Tomasz Napierala if (lun->l_path != NULL) { 16592fabfaa5SEdward Tomasz Napierala log_warnx("path must not be specified " 1660920c6cbaSAlexander Motin "for ramdisk-backed lun \"%s\"", 1661920c6cbaSAlexander Motin lun->l_name); 16622fabfaa5SEdward Tomasz Napierala return (1); 16632fabfaa5SEdward Tomasz Napierala } 16642fabfaa5SEdward Tomasz Napierala } 16652fabfaa5SEdward Tomasz Napierala if (lun->l_blocksize == 0) { 16666f2f92a5SAlexander Motin if (lun->l_device_type == 5) 16676f2f92a5SAlexander Motin lun_set_blocksize(lun, DEFAULT_CD_BLOCKSIZE); 16686f2f92a5SAlexander Motin else 16692fabfaa5SEdward Tomasz Napierala lun_set_blocksize(lun, DEFAULT_BLOCKSIZE); 16702fabfaa5SEdward Tomasz Napierala } else if (lun->l_blocksize < 0) { 1671920c6cbaSAlexander Motin log_warnx("invalid blocksize for lun \"%s\"; " 1672920c6cbaSAlexander Motin "must be larger than 0", lun->l_name); 16732fabfaa5SEdward Tomasz Napierala return (1); 16742fabfaa5SEdward Tomasz Napierala } 16752fabfaa5SEdward Tomasz Napierala if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) { 1676920c6cbaSAlexander Motin log_warnx("invalid size for lun \"%s\"; " 1677920c6cbaSAlexander Motin "must be multiple of blocksize", lun->l_name); 16782fabfaa5SEdward Tomasz Napierala return (1); 16792fabfaa5SEdward Tomasz Napierala } 1680920c6cbaSAlexander Motin TAILQ_FOREACH(lun2, &lun->l_conf->conf_luns, l_next) { 1681a19eebb1SEdward Tomasz Napierala if (lun == lun2) 1682a19eebb1SEdward Tomasz Napierala continue; 1683a19eebb1SEdward Tomasz Napierala if (lun->l_path != NULL && lun2->l_path != NULL && 1684a19eebb1SEdward Tomasz Napierala strcmp(lun->l_path, lun2->l_path) == 0) { 1685a19eebb1SEdward Tomasz Napierala log_debugx("WARNING: path \"%s\" duplicated " 1686920c6cbaSAlexander Motin "between lun \"%s\", and " 1687920c6cbaSAlexander Motin "lun \"%s\"", lun->l_path, 1688920c6cbaSAlexander Motin lun->l_name, lun2->l_name); 1689a19eebb1SEdward Tomasz Napierala } 1690a19eebb1SEdward Tomasz Napierala } 16912fabfaa5SEdward Tomasz Napierala 16922fabfaa5SEdward Tomasz Napierala return (0); 16932fabfaa5SEdward Tomasz Napierala } 16942fabfaa5SEdward Tomasz Napierala 1695009ea47eSEdward Tomasz Napierala int 1696009ea47eSEdward Tomasz Napierala conf_verify(struct conf *conf) 1697009ea47eSEdward Tomasz Napierala { 1698009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1699009ea47eSEdward Tomasz Napierala struct portal_group *pg; 170092847ee1SAlexander Motin struct port *port; 1701009ea47eSEdward Tomasz Napierala struct target *targ; 17022fabfaa5SEdward Tomasz Napierala struct lun *lun; 17034e5c38f8SEdward Tomasz Napierala bool found; 1704920c6cbaSAlexander Motin int error, i; 1705009ea47eSEdward Tomasz Napierala 1706009ea47eSEdward Tomasz Napierala if (conf->conf_pidfile_path == NULL) 1707009ea47eSEdward Tomasz Napierala conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE); 1708009ea47eSEdward Tomasz Napierala 1709920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1710920c6cbaSAlexander Motin error = conf_verify_lun(lun); 1711920c6cbaSAlexander Motin if (error != 0) 1712920c6cbaSAlexander Motin return (error); 1713920c6cbaSAlexander Motin } 1714009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1715009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == NULL) { 1716e7977549SEdward Tomasz Napierala targ->t_auth_group = auth_group_find(conf, 1717e7977549SEdward Tomasz Napierala "default"); 1718e7977549SEdward Tomasz Napierala assert(targ->t_auth_group != NULL); 1719009ea47eSEdward Tomasz Napierala } 172092847ee1SAlexander Motin if (TAILQ_EMPTY(&targ->t_ports)) { 172192847ee1SAlexander Motin pg = portal_group_find(conf, "default"); 172292847ee1SAlexander Motin assert(pg != NULL); 172392847ee1SAlexander Motin port_new(conf, targ, pg); 1724009ea47eSEdward Tomasz Napierala } 17254e5c38f8SEdward Tomasz Napierala found = false; 1726920c6cbaSAlexander Motin for (i = 0; i < MAX_LUNS; i++) { 1727920c6cbaSAlexander Motin if (targ->t_luns[i] != NULL) 17284e5c38f8SEdward Tomasz Napierala found = true; 1729009ea47eSEdward Tomasz Napierala } 17306dbdbf82SEdward Tomasz Napierala if (!found && targ->t_redirection == NULL) { 173119b59f13SEdward Tomasz Napierala log_warnx("no LUNs defined for target \"%s\"", 173219b59f13SEdward Tomasz Napierala targ->t_name); 1733009ea47eSEdward Tomasz Napierala } 17346dbdbf82SEdward Tomasz Napierala if (found && targ->t_redirection != NULL) { 17356dbdbf82SEdward Tomasz Napierala log_debugx("target \"%s\" contains luns, " 17366dbdbf82SEdward Tomasz Napierala " but configured for redirection", 17376dbdbf82SEdward Tomasz Napierala targ->t_name); 17386dbdbf82SEdward Tomasz Napierala } 1739009ea47eSEdward Tomasz Napierala } 1740009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1741009ea47eSEdward Tomasz Napierala assert(pg->pg_name != NULL); 1742009ea47eSEdward Tomasz Napierala if (pg->pg_discovery_auth_group == NULL) { 1743009ea47eSEdward Tomasz Napierala pg->pg_discovery_auth_group = 1744ccb1f04dSEdward Tomasz Napierala auth_group_find(conf, "default"); 1745009ea47eSEdward Tomasz Napierala assert(pg->pg_discovery_auth_group != NULL); 1746009ea47eSEdward Tomasz Napierala } 1747009ea47eSEdward Tomasz Napierala 174805374883SEdward Tomasz Napierala if (pg->pg_discovery_filter == PG_FILTER_UNKNOWN) 174905374883SEdward Tomasz Napierala pg->pg_discovery_filter = PG_FILTER_NONE; 175005374883SEdward Tomasz Napierala 17516dbdbf82SEdward Tomasz Napierala if (pg->pg_redirection != NULL) { 1752db7bf2baSAlexander Motin if (!TAILQ_EMPTY(&pg->pg_ports)) { 17536dbdbf82SEdward Tomasz Napierala log_debugx("portal-group \"%s\" assigned " 175492847ee1SAlexander Motin "to target, but configured " 17556dbdbf82SEdward Tomasz Napierala "for redirection", 175692847ee1SAlexander Motin pg->pg_name); 17576dbdbf82SEdward Tomasz Napierala } 17586dbdbf82SEdward Tomasz Napierala pg->pg_unassigned = false; 1759db7bf2baSAlexander Motin } else if (!TAILQ_EMPTY(&pg->pg_ports)) { 1760db7bf2baSAlexander Motin pg->pg_unassigned = false; 17616dbdbf82SEdward Tomasz Napierala } else { 1762009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, "default") != 0) 1763009ea47eSEdward Tomasz Napierala log_warnx("portal-group \"%s\" not assigned " 1764009ea47eSEdward Tomasz Napierala "to any target", pg->pg_name); 1765009ea47eSEdward Tomasz Napierala pg->pg_unassigned = true; 17666dbdbf82SEdward Tomasz Napierala } 1767009ea47eSEdward Tomasz Napierala } 1768009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1769009ea47eSEdward Tomasz Napierala if (ag->ag_name == NULL) 1770009ea47eSEdward Tomasz Napierala assert(ag->ag_target != NULL); 1771009ea47eSEdward Tomasz Napierala else 1772009ea47eSEdward Tomasz Napierala assert(ag->ag_target == NULL); 1773009ea47eSEdward Tomasz Napierala 17744e5c38f8SEdward Tomasz Napierala found = false; 1775009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 17764e5c38f8SEdward Tomasz Napierala if (targ->t_auth_group == ag) { 17774e5c38f8SEdward Tomasz Napierala found = true; 1778009ea47eSEdward Tomasz Napierala break; 1779009ea47eSEdward Tomasz Napierala } 17804e5c38f8SEdward Tomasz Napierala } 178192847ee1SAlexander Motin TAILQ_FOREACH(port, &conf->conf_ports, p_next) { 178292847ee1SAlexander Motin if (port->p_auth_group == ag) { 178392847ee1SAlexander Motin found = true; 178492847ee1SAlexander Motin break; 178592847ee1SAlexander Motin } 178692847ee1SAlexander Motin } 17874e5c38f8SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 17884e5c38f8SEdward Tomasz Napierala if (pg->pg_discovery_auth_group == ag) { 17894e5c38f8SEdward Tomasz Napierala found = true; 17904e5c38f8SEdward Tomasz Napierala break; 17914e5c38f8SEdward Tomasz Napierala } 17924e5c38f8SEdward Tomasz Napierala } 17934e5c38f8SEdward Tomasz Napierala if (!found && ag->ag_name != NULL && 1794ccb1f04dSEdward Tomasz Napierala strcmp(ag->ag_name, "default") != 0 && 1795009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-authentication") != 0 && 1796009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-access") != 0) { 1797009ea47eSEdward Tomasz Napierala log_warnx("auth-group \"%s\" not assigned " 1798009ea47eSEdward Tomasz Napierala "to any target", ag->ag_name); 1799009ea47eSEdward Tomasz Napierala } 1800009ea47eSEdward Tomasz Napierala } 1801009ea47eSEdward Tomasz Napierala 1802009ea47eSEdward Tomasz Napierala return (0); 1803009ea47eSEdward Tomasz Napierala } 1804009ea47eSEdward Tomasz Napierala 1805009ea47eSEdward Tomasz Napierala static int 1806009ea47eSEdward Tomasz Napierala conf_apply(struct conf *oldconf, struct conf *newconf) 1807009ea47eSEdward Tomasz Napierala { 1808009ea47eSEdward Tomasz Napierala struct lun *oldlun, *newlun, *tmplun; 1809009ea47eSEdward Tomasz Napierala struct portal_group *oldpg, *newpg; 1810009ea47eSEdward Tomasz Napierala struct portal *oldp, *newp; 181192847ee1SAlexander Motin struct port *oldport, *newport, *tmpport; 1812829603e2SAlexander Motin struct isns *oldns, *newns; 1813009ea47eSEdward Tomasz Napierala pid_t otherpid; 18148b94b583SAlexander Motin int changed, cumulated_error = 0, error, sockbuf; 1815009ea47eSEdward Tomasz Napierala int one = 1; 1816009ea47eSEdward Tomasz Napierala 1817009ea47eSEdward Tomasz Napierala if (oldconf->conf_debug != newconf->conf_debug) { 1818009ea47eSEdward Tomasz Napierala log_debugx("changing debug level to %d", newconf->conf_debug); 1819009ea47eSEdward Tomasz Napierala log_init(newconf->conf_debug); 1820009ea47eSEdward Tomasz Napierala } 1821009ea47eSEdward Tomasz Napierala 1822009ea47eSEdward Tomasz Napierala if (oldconf->conf_pidfh != NULL) { 1823009ea47eSEdward Tomasz Napierala assert(oldconf->conf_pidfile_path != NULL); 1824009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfile_path != NULL && 1825009ea47eSEdward Tomasz Napierala strcmp(oldconf->conf_pidfile_path, 1826009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path) == 0) { 1827009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = oldconf->conf_pidfh; 1828009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1829009ea47eSEdward Tomasz Napierala } else { 1830009ea47eSEdward Tomasz Napierala log_debugx("removing pidfile %s", 1831009ea47eSEdward Tomasz Napierala oldconf->conf_pidfile_path); 1832009ea47eSEdward Tomasz Napierala pidfile_remove(oldconf->conf_pidfh); 1833009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1834009ea47eSEdward Tomasz Napierala } 1835009ea47eSEdward Tomasz Napierala } 1836009ea47eSEdward Tomasz Napierala 1837009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL && newconf->conf_pidfile_path != NULL) { 1838009ea47eSEdward Tomasz Napierala log_debugx("opening pidfile %s", newconf->conf_pidfile_path); 1839009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = 1840009ea47eSEdward Tomasz Napierala pidfile_open(newconf->conf_pidfile_path, 0600, &otherpid); 1841009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL) { 1842009ea47eSEdward Tomasz Napierala if (errno == EEXIST) 1843009ea47eSEdward Tomasz Napierala log_errx(1, "daemon already running, pid: %jd.", 1844009ea47eSEdward Tomasz Napierala (intmax_t)otherpid); 1845009ea47eSEdward Tomasz Napierala log_err(1, "cannot open or create pidfile \"%s\"", 1846009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path); 1847009ea47eSEdward Tomasz Napierala } 1848009ea47eSEdward Tomasz Napierala } 1849009ea47eSEdward Tomasz Napierala 18506b31e130SAlexander Motin /* 18516b31e130SAlexander Motin * Go through the new portal groups, assigning tags or preserving old. 18526b31e130SAlexander Motin */ 18536b31e130SAlexander Motin TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1854db7bf2baSAlexander Motin if (newpg->pg_tag != 0) 1855db7bf2baSAlexander Motin continue; 18566b31e130SAlexander Motin oldpg = portal_group_find(oldconf, newpg->pg_name); 18576b31e130SAlexander Motin if (oldpg != NULL) 18586b31e130SAlexander Motin newpg->pg_tag = oldpg->pg_tag; 18596b31e130SAlexander Motin else 18606b31e130SAlexander Motin newpg->pg_tag = ++last_portal_group_tag; 18616b31e130SAlexander Motin } 18626b31e130SAlexander Motin 1863829603e2SAlexander Motin /* Deregister on removed iSNS servers. */ 1864829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 1865829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 1866829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 1867829603e2SAlexander Motin break; 1868829603e2SAlexander Motin } 1869829603e2SAlexander Motin if (newns == NULL) 1870829603e2SAlexander Motin isns_deregister(oldns); 1871829603e2SAlexander Motin } 1872829603e2SAlexander Motin 1873d5e316e5SEdward Tomasz Napierala /* 1874d5e316e5SEdward Tomasz Napierala * XXX: If target or lun removal fails, we should somehow "move" 1875d5e316e5SEdward Tomasz Napierala * the old lun or target into newconf, so that subsequent 187661a2a354SEdward Tomasz Napierala * conf_apply() would try to remove them again. That would 187761a2a354SEdward Tomasz Napierala * be somewhat hairy, though, and lun deletion failures don't 187861a2a354SEdward Tomasz Napierala * really happen, so leave it as it is for now. 1879d5e316e5SEdward Tomasz Napierala */ 1880009ea47eSEdward Tomasz Napierala /* 188192847ee1SAlexander Motin * First, remove any ports present in the old configuration 1882009ea47eSEdward Tomasz Napierala * and missing in the new one. 1883009ea47eSEdward Tomasz Napierala */ 188492847ee1SAlexander Motin TAILQ_FOREACH_SAFE(oldport, &oldconf->conf_ports, p_next, tmpport) { 1885db7bf2baSAlexander Motin if (oldport->p_foreign) 1886db7bf2baSAlexander Motin continue; 188792847ee1SAlexander Motin newport = port_find(newconf, oldport->p_name); 1888db7bf2baSAlexander Motin if (newport != NULL && !newport->p_foreign) 1889920c6cbaSAlexander Motin continue; 1890057abcb0SAlexander Motin log_debugx("removing port \"%s\"", oldport->p_name); 189192847ee1SAlexander Motin error = kernel_port_remove(oldport); 18926de78f9fSAlexander Motin if (error != 0) { 189392847ee1SAlexander Motin log_warnx("failed to remove port %s", 189492847ee1SAlexander Motin oldport->p_name); 18956de78f9fSAlexander Motin /* 18966de78f9fSAlexander Motin * XXX: Uncomment after fixing the root cause. 18976de78f9fSAlexander Motin * 18986de78f9fSAlexander Motin * cumulated_error++; 18996de78f9fSAlexander Motin */ 19006de78f9fSAlexander Motin } 1901009ea47eSEdward Tomasz Napierala } 1902009ea47eSEdward Tomasz Napierala 1903009ea47eSEdward Tomasz Napierala /* 1904920c6cbaSAlexander Motin * Second, remove any LUNs present in the old configuration 1905009ea47eSEdward Tomasz Napierala * and missing in the new one. 1906009ea47eSEdward Tomasz Napierala */ 1907920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(oldlun, &oldconf->conf_luns, l_next, tmplun) { 1908920c6cbaSAlexander Motin newlun = lun_find(newconf, oldlun->l_name); 1909009ea47eSEdward Tomasz Napierala if (newlun == NULL) { 1910920c6cbaSAlexander Motin log_debugx("lun \"%s\", CTL lun %d " 1911cadf3831SEdward Tomasz Napierala "not found in new configuration; " 1912920c6cbaSAlexander Motin "removing", oldlun->l_name, oldlun->l_ctl_lun); 1913009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1914009ea47eSEdward Tomasz Napierala if (error != 0) { 1915920c6cbaSAlexander Motin log_warnx("failed to remove lun \"%s\", " 1916920c6cbaSAlexander Motin "CTL lun %d", 1917920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1918009ea47eSEdward Tomasz Napierala cumulated_error++; 1919009ea47eSEdward Tomasz Napierala } 1920009ea47eSEdward Tomasz Napierala continue; 1921009ea47eSEdward Tomasz Napierala } 1922009ea47eSEdward Tomasz Napierala 1923009ea47eSEdward Tomasz Napierala /* 1924009ea47eSEdward Tomasz Napierala * Also remove the LUNs changed by more than size. 1925009ea47eSEdward Tomasz Napierala */ 1926009ea47eSEdward Tomasz Napierala changed = 0; 1927009ea47eSEdward Tomasz Napierala assert(oldlun->l_backend != NULL); 1928009ea47eSEdward Tomasz Napierala assert(newlun->l_backend != NULL); 1929009ea47eSEdward Tomasz Napierala if (strcmp(newlun->l_backend, oldlun->l_backend) != 0) { 1930920c6cbaSAlexander Motin log_debugx("backend for lun \"%s\", " 1931009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1932920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1933009ea47eSEdward Tomasz Napierala changed = 1; 1934009ea47eSEdward Tomasz Napierala } 1935009ea47eSEdward Tomasz Napierala if (oldlun->l_blocksize != newlun->l_blocksize) { 1936920c6cbaSAlexander Motin log_debugx("blocksize for lun \"%s\", " 1937009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1938920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1939009ea47eSEdward Tomasz Napierala changed = 1; 1940009ea47eSEdward Tomasz Napierala } 1941009ea47eSEdward Tomasz Napierala if (newlun->l_device_id != NULL && 1942009ea47eSEdward Tomasz Napierala (oldlun->l_device_id == NULL || 1943009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_device_id, newlun->l_device_id) != 1944009ea47eSEdward Tomasz Napierala 0)) { 1945920c6cbaSAlexander Motin log_debugx("device-id for lun \"%s\", " 1946009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1947920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1948009ea47eSEdward Tomasz Napierala changed = 1; 1949009ea47eSEdward Tomasz Napierala } 1950009ea47eSEdward Tomasz Napierala if (newlun->l_path != NULL && 1951009ea47eSEdward Tomasz Napierala (oldlun->l_path == NULL || 1952009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_path, newlun->l_path) != 0)) { 1953920c6cbaSAlexander Motin log_debugx("path for lun \"%s\", " 1954009ea47eSEdward Tomasz Napierala "CTL lun %d, changed; removing", 1955920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1956009ea47eSEdward Tomasz Napierala changed = 1; 1957009ea47eSEdward Tomasz Napierala } 1958009ea47eSEdward Tomasz Napierala if (newlun->l_serial != NULL && 1959009ea47eSEdward Tomasz Napierala (oldlun->l_serial == NULL || 1960009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_serial, newlun->l_serial) != 0)) { 1961920c6cbaSAlexander Motin log_debugx("serial for lun \"%s\", " 1962009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1963920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1964009ea47eSEdward Tomasz Napierala changed = 1; 1965009ea47eSEdward Tomasz Napierala } 1966009ea47eSEdward Tomasz Napierala if (changed) { 1967009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1968009ea47eSEdward Tomasz Napierala if (error != 0) { 1969920c6cbaSAlexander Motin log_warnx("failed to remove lun \"%s\", " 1970920c6cbaSAlexander Motin "CTL lun %d", 1971920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1972009ea47eSEdward Tomasz Napierala cumulated_error++; 1973009ea47eSEdward Tomasz Napierala } 1974009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1975009ea47eSEdward Tomasz Napierala continue; 1976009ea47eSEdward Tomasz Napierala } 1977009ea47eSEdward Tomasz Napierala 1978009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(newlun, oldlun->l_ctl_lun); 1979009ea47eSEdward Tomasz Napierala } 1980920c6cbaSAlexander Motin 1981920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(newlun, &newconf->conf_luns, l_next, tmplun) { 1982920c6cbaSAlexander Motin oldlun = lun_find(oldconf, newlun->l_name); 1983920c6cbaSAlexander Motin if (oldlun != NULL) { 1984a3977beaSAlexander Motin log_debugx("modifying lun \"%s\", CTL lun %d", 1985920c6cbaSAlexander Motin newlun->l_name, newlun->l_ctl_lun); 1986a3977beaSAlexander Motin error = kernel_lun_modify(newlun); 1987920c6cbaSAlexander Motin if (error != 0) { 1988920c6cbaSAlexander Motin log_warnx("failed to " 1989a3977beaSAlexander Motin "modify lun \"%s\", CTL lun %d", 1990a3977beaSAlexander Motin newlun->l_name, newlun->l_ctl_lun); 1991920c6cbaSAlexander Motin cumulated_error++; 1992920c6cbaSAlexander Motin } 1993920c6cbaSAlexander Motin continue; 1994920c6cbaSAlexander Motin } 1995920c6cbaSAlexander Motin log_debugx("adding lun \"%s\"", newlun->l_name); 1996920c6cbaSAlexander Motin error = kernel_lun_add(newlun); 1997920c6cbaSAlexander Motin if (error != 0) { 1998920c6cbaSAlexander Motin log_warnx("failed to add lun \"%s\"", newlun->l_name); 1999920c6cbaSAlexander Motin lun_delete(newlun); 2000920c6cbaSAlexander Motin cumulated_error++; 2001920c6cbaSAlexander Motin } 2002009ea47eSEdward Tomasz Napierala } 2003009ea47eSEdward Tomasz Napierala 2004009ea47eSEdward Tomasz Napierala /* 200592847ee1SAlexander Motin * Now add new ports or modify existing ones. 2006009ea47eSEdward Tomasz Napierala */ 200792847ee1SAlexander Motin TAILQ_FOREACH(newport, &newconf->conf_ports, p_next) { 2008db7bf2baSAlexander Motin if (newport->p_foreign) 2009db7bf2baSAlexander Motin continue; 201092847ee1SAlexander Motin oldport = port_find(oldconf, newport->p_name); 2011009ea47eSEdward Tomasz Napierala 2012db7bf2baSAlexander Motin if (oldport == NULL || oldport->p_foreign) { 2013057abcb0SAlexander Motin log_debugx("adding port \"%s\"", newport->p_name); 201492847ee1SAlexander Motin error = kernel_port_add(newport); 201592847ee1SAlexander Motin } else { 2016057abcb0SAlexander Motin log_debugx("updating port \"%s\"", newport->p_name); 201792847ee1SAlexander Motin newport->p_ctl_port = oldport->p_ctl_port; 2018828524c1SAlexander Motin error = kernel_port_update(newport, oldport); 2019920c6cbaSAlexander Motin } 2020e48bb73aSEdward Tomasz Napierala if (error != 0) { 202192847ee1SAlexander Motin log_warnx("failed to %s port %s", 202292847ee1SAlexander Motin (oldport == NULL) ? "add" : "update", 202392847ee1SAlexander Motin newport->p_name); 2024e48bb73aSEdward Tomasz Napierala /* 2025e48bb73aSEdward Tomasz Napierala * XXX: Uncomment after fixing the root cause. 2026e48bb73aSEdward Tomasz Napierala * 2027e48bb73aSEdward Tomasz Napierala * cumulated_error++; 2028e48bb73aSEdward Tomasz Napierala */ 2029e48bb73aSEdward Tomasz Napierala } 2030e48bb73aSEdward Tomasz Napierala } 2031009ea47eSEdward Tomasz Napierala 2032009ea47eSEdward Tomasz Napierala /* 2033463a577bSEitan Adler * Go through the new portals, opening the sockets as necessary. 2034009ea47eSEdward Tomasz Napierala */ 2035009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 2036db7bf2baSAlexander Motin if (newpg->pg_foreign) 2037db7bf2baSAlexander Motin continue; 2038009ea47eSEdward Tomasz Napierala if (newpg->pg_unassigned) { 2039009ea47eSEdward Tomasz Napierala log_debugx("not listening on portal-group \"%s\", " 2040009ea47eSEdward Tomasz Napierala "not assigned to any target", 2041009ea47eSEdward Tomasz Napierala newpg->pg_name); 2042009ea47eSEdward Tomasz Napierala continue; 2043009ea47eSEdward Tomasz Napierala } 2044009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newp, &newpg->pg_portals, p_next) { 2045009ea47eSEdward Tomasz Napierala /* 2046009ea47eSEdward Tomasz Napierala * Try to find already open portal and reuse 2047009ea47eSEdward Tomasz Napierala * the listening socket. We don't care about 2048009ea47eSEdward Tomasz Napierala * what portal or portal group that was, what 2049009ea47eSEdward Tomasz Napierala * matters is the listening address. 2050009ea47eSEdward Tomasz Napierala */ 2051009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, 2052009ea47eSEdward Tomasz Napierala pg_next) { 2053009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, 2054009ea47eSEdward Tomasz Napierala p_next) { 2055009ea47eSEdward Tomasz Napierala if (strcmp(newp->p_listen, 2056009ea47eSEdward Tomasz Napierala oldp->p_listen) == 0 && 2057009ea47eSEdward Tomasz Napierala oldp->p_socket > 0) { 2058009ea47eSEdward Tomasz Napierala newp->p_socket = 2059009ea47eSEdward Tomasz Napierala oldp->p_socket; 2060009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 2061009ea47eSEdward Tomasz Napierala break; 2062009ea47eSEdward Tomasz Napierala } 2063009ea47eSEdward Tomasz Napierala } 2064009ea47eSEdward Tomasz Napierala } 2065009ea47eSEdward Tomasz Napierala if (newp->p_socket > 0) { 2066009ea47eSEdward Tomasz Napierala /* 2067009ea47eSEdward Tomasz Napierala * We're done with this portal. 2068009ea47eSEdward Tomasz Napierala */ 2069009ea47eSEdward Tomasz Napierala continue; 2070009ea47eSEdward Tomasz Napierala } 2071009ea47eSEdward Tomasz Napierala 2072009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2073ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 20748cab2ed4SEdward Tomasz Napierala newpg->pg_conf->conf_portal_id++; 20758cab2ed4SEdward Tomasz Napierala newp->p_id = newpg->pg_conf->conf_portal_id; 20768cab2ed4SEdward Tomasz Napierala log_debugx("listening on %s, portal-group " 20778cab2ed4SEdward Tomasz Napierala "\"%s\", portal id %d, using ICL proxy", 20788cab2ed4SEdward Tomasz Napierala newp->p_listen, newpg->pg_name, newp->p_id); 20798cab2ed4SEdward Tomasz Napierala kernel_listen(newp->p_ai, newp->p_iser, 20808cab2ed4SEdward Tomasz Napierala newp->p_id); 2081ba3a2d31SEdward Tomasz Napierala continue; 2082ba3a2d31SEdward Tomasz Napierala } 2083ba3a2d31SEdward Tomasz Napierala #endif 2084ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 2085009ea47eSEdward Tomasz Napierala assert(newp->p_iser == false); 2086009ea47eSEdward Tomasz Napierala 2087009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\"", 2088009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 2089009ea47eSEdward Tomasz Napierala newp->p_socket = socket(newp->p_ai->ai_family, 2090009ea47eSEdward Tomasz Napierala newp->p_ai->ai_socktype, 2091009ea47eSEdward Tomasz Napierala newp->p_ai->ai_protocol); 2092009ea47eSEdward Tomasz Napierala if (newp->p_socket < 0) { 2093009ea47eSEdward Tomasz Napierala log_warn("socket(2) failed for %s", 2094009ea47eSEdward Tomasz Napierala newp->p_listen); 2095009ea47eSEdward Tomasz Napierala cumulated_error++; 2096009ea47eSEdward Tomasz Napierala continue; 2097009ea47eSEdward Tomasz Napierala } 20988b94b583SAlexander Motin sockbuf = SOCKBUF_SIZE; 20998b94b583SAlexander Motin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_RCVBUF, 21008b94b583SAlexander Motin &sockbuf, sizeof(sockbuf)) == -1) 21018b94b583SAlexander Motin log_warn("setsockopt(SO_RCVBUF) failed " 21028b94b583SAlexander Motin "for %s", newp->p_listen); 21038b94b583SAlexander Motin sockbuf = SOCKBUF_SIZE; 21048b94b583SAlexander Motin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_SNDBUF, 21058b94b583SAlexander Motin &sockbuf, sizeof(sockbuf)) == -1) 21068b94b583SAlexander Motin log_warn("setsockopt(SO_SNDBUF) failed " 21078b94b583SAlexander Motin "for %s", newp->p_listen); 2108009ea47eSEdward Tomasz Napierala error = setsockopt(newp->p_socket, SOL_SOCKET, 2109009ea47eSEdward Tomasz Napierala SO_REUSEADDR, &one, sizeof(one)); 2110009ea47eSEdward Tomasz Napierala if (error != 0) { 2111009ea47eSEdward Tomasz Napierala log_warn("setsockopt(SO_REUSEADDR) failed " 2112009ea47eSEdward Tomasz Napierala "for %s", newp->p_listen); 2113009ea47eSEdward Tomasz Napierala close(newp->p_socket); 2114009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 2115009ea47eSEdward Tomasz Napierala cumulated_error++; 2116009ea47eSEdward Tomasz Napierala continue; 2117009ea47eSEdward Tomasz Napierala } 2118009ea47eSEdward Tomasz Napierala error = bind(newp->p_socket, newp->p_ai->ai_addr, 2119009ea47eSEdward Tomasz Napierala newp->p_ai->ai_addrlen); 2120009ea47eSEdward Tomasz Napierala if (error != 0) { 2121009ea47eSEdward Tomasz Napierala log_warn("bind(2) failed for %s", 2122009ea47eSEdward Tomasz Napierala newp->p_listen); 2123009ea47eSEdward Tomasz Napierala close(newp->p_socket); 2124009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 2125009ea47eSEdward Tomasz Napierala cumulated_error++; 2126009ea47eSEdward Tomasz Napierala continue; 2127009ea47eSEdward Tomasz Napierala } 2128009ea47eSEdward Tomasz Napierala error = listen(newp->p_socket, -1); 2129009ea47eSEdward Tomasz Napierala if (error != 0) { 2130009ea47eSEdward Tomasz Napierala log_warn("listen(2) failed for %s", 2131009ea47eSEdward Tomasz Napierala newp->p_listen); 2132009ea47eSEdward Tomasz Napierala close(newp->p_socket); 2133009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 2134009ea47eSEdward Tomasz Napierala cumulated_error++; 2135009ea47eSEdward Tomasz Napierala continue; 2136009ea47eSEdward Tomasz Napierala } 2137009ea47eSEdward Tomasz Napierala } 2138009ea47eSEdward Tomasz Napierala } 2139009ea47eSEdward Tomasz Napierala 2140009ea47eSEdward Tomasz Napierala /* 2141009ea47eSEdward Tomasz Napierala * Go through the no longer used sockets, closing them. 2142009ea47eSEdward Tomasz Napierala */ 2143009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, pg_next) { 2144009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, p_next) { 2145009ea47eSEdward Tomasz Napierala if (oldp->p_socket <= 0) 2146009ea47eSEdward Tomasz Napierala continue; 2147009ea47eSEdward Tomasz Napierala log_debugx("closing socket for %s, portal-group \"%s\"", 2148009ea47eSEdward Tomasz Napierala oldp->p_listen, oldpg->pg_name); 2149009ea47eSEdward Tomasz Napierala close(oldp->p_socket); 2150009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 2151009ea47eSEdward Tomasz Napierala } 2152009ea47eSEdward Tomasz Napierala } 2153009ea47eSEdward Tomasz Napierala 2154829603e2SAlexander Motin /* (Re-)Register on remaining/new iSNS servers. */ 2155829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 2156829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 2157829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 2158829603e2SAlexander Motin break; 2159829603e2SAlexander Motin } 2160829603e2SAlexander Motin isns_register(newns, oldns); 2161829603e2SAlexander Motin } 2162829603e2SAlexander Motin 2163829603e2SAlexander Motin /* Schedule iSNS update */ 2164829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 2165829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 2166829603e2SAlexander Motin 2167009ea47eSEdward Tomasz Napierala return (cumulated_error); 2168009ea47eSEdward Tomasz Napierala } 2169009ea47eSEdward Tomasz Napierala 2170009ea47eSEdward Tomasz Napierala bool 2171009ea47eSEdward Tomasz Napierala timed_out(void) 2172009ea47eSEdward Tomasz Napierala { 2173009ea47eSEdward Tomasz Napierala 2174009ea47eSEdward Tomasz Napierala return (sigalrm_received); 2175009ea47eSEdward Tomasz Napierala } 2176009ea47eSEdward Tomasz Napierala 2177009ea47eSEdward Tomasz Napierala static void 2178829603e2SAlexander Motin sigalrm_handler_fatal(int dummy __unused) 2179009ea47eSEdward Tomasz Napierala { 2180009ea47eSEdward Tomasz Napierala /* 2181009ea47eSEdward Tomasz Napierala * It would be easiest to just log an error and exit. We can't 2182009ea47eSEdward Tomasz Napierala * do this, though, because log_errx() is not signal safe, since 2183009ea47eSEdward Tomasz Napierala * it calls syslog(3). Instead, set a flag checked by pdu_send() 2184009ea47eSEdward Tomasz Napierala * and pdu_receive(), to call log_errx() there. Should they fail 2185009ea47eSEdward Tomasz Napierala * to notice, we'll exit here one second later. 2186009ea47eSEdward Tomasz Napierala */ 2187009ea47eSEdward Tomasz Napierala if (sigalrm_received) { 2188009ea47eSEdward Tomasz Napierala /* 2189009ea47eSEdward Tomasz Napierala * Oh well. Just give up and quit. 2190009ea47eSEdward Tomasz Napierala */ 2191009ea47eSEdward Tomasz Napierala _exit(2); 2192009ea47eSEdward Tomasz Napierala } 2193009ea47eSEdward Tomasz Napierala 2194009ea47eSEdward Tomasz Napierala sigalrm_received = true; 2195009ea47eSEdward Tomasz Napierala } 2196009ea47eSEdward Tomasz Napierala 2197009ea47eSEdward Tomasz Napierala static void 2198829603e2SAlexander Motin sigalrm_handler(int dummy __unused) 2199829603e2SAlexander Motin { 2200829603e2SAlexander Motin 2201829603e2SAlexander Motin sigalrm_received = true; 2202829603e2SAlexander Motin } 2203829603e2SAlexander Motin 2204829603e2SAlexander Motin void 2205829603e2SAlexander Motin set_timeout(int timeout, int fatal) 2206009ea47eSEdward Tomasz Napierala { 2207009ea47eSEdward Tomasz Napierala struct sigaction sa; 2208009ea47eSEdward Tomasz Napierala struct itimerval itv; 2209009ea47eSEdward Tomasz Napierala int error; 2210009ea47eSEdward Tomasz Napierala 2211829603e2SAlexander Motin if (timeout <= 0) { 2212009ea47eSEdward Tomasz Napierala log_debugx("session timeout disabled"); 2213829603e2SAlexander Motin bzero(&itv, sizeof(itv)); 2214829603e2SAlexander Motin error = setitimer(ITIMER_REAL, &itv, NULL); 2215829603e2SAlexander Motin if (error != 0) 2216829603e2SAlexander Motin log_err(1, "setitimer"); 2217829603e2SAlexander Motin sigalrm_received = false; 2218009ea47eSEdward Tomasz Napierala return; 2219009ea47eSEdward Tomasz Napierala } 2220009ea47eSEdward Tomasz Napierala 2221829603e2SAlexander Motin sigalrm_received = false; 2222009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2223829603e2SAlexander Motin if (fatal) 2224829603e2SAlexander Motin sa.sa_handler = sigalrm_handler_fatal; 2225829603e2SAlexander Motin else 2226009ea47eSEdward Tomasz Napierala sa.sa_handler = sigalrm_handler; 2227009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2228009ea47eSEdward Tomasz Napierala error = sigaction(SIGALRM, &sa, NULL); 2229009ea47eSEdward Tomasz Napierala if (error != 0) 2230009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2231009ea47eSEdward Tomasz Napierala 2232009ea47eSEdward Tomasz Napierala /* 2233009ea47eSEdward Tomasz Napierala * First SIGALRM will arive after conf_timeout seconds. 2234009ea47eSEdward Tomasz Napierala * If we do nothing, another one will arrive a second later. 2235009ea47eSEdward Tomasz Napierala */ 2236829603e2SAlexander Motin log_debugx("setting session timeout to %d seconds", timeout); 2237009ea47eSEdward Tomasz Napierala bzero(&itv, sizeof(itv)); 2238009ea47eSEdward Tomasz Napierala itv.it_interval.tv_sec = 1; 2239829603e2SAlexander Motin itv.it_value.tv_sec = timeout; 2240009ea47eSEdward Tomasz Napierala error = setitimer(ITIMER_REAL, &itv, NULL); 2241009ea47eSEdward Tomasz Napierala if (error != 0) 2242009ea47eSEdward Tomasz Napierala log_err(1, "setitimer"); 2243009ea47eSEdward Tomasz Napierala } 2244009ea47eSEdward Tomasz Napierala 2245009ea47eSEdward Tomasz Napierala static int 2246009ea47eSEdward Tomasz Napierala wait_for_children(bool block) 2247009ea47eSEdward Tomasz Napierala { 2248009ea47eSEdward Tomasz Napierala pid_t pid; 2249009ea47eSEdward Tomasz Napierala int status; 2250009ea47eSEdward Tomasz Napierala int num = 0; 2251009ea47eSEdward Tomasz Napierala 2252009ea47eSEdward Tomasz Napierala for (;;) { 2253009ea47eSEdward Tomasz Napierala /* 2254009ea47eSEdward Tomasz Napierala * If "block" is true, wait for at least one process. 2255009ea47eSEdward Tomasz Napierala */ 2256009ea47eSEdward Tomasz Napierala if (block && num == 0) 2257009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, 0, NULL); 2258009ea47eSEdward Tomasz Napierala else 2259009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, WNOHANG, NULL); 2260009ea47eSEdward Tomasz Napierala if (pid <= 0) 2261009ea47eSEdward Tomasz Napierala break; 2262009ea47eSEdward Tomasz Napierala if (WIFSIGNALED(status)) { 2263009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with signal %d", 2264009ea47eSEdward Tomasz Napierala pid, WTERMSIG(status)); 2265009ea47eSEdward Tomasz Napierala } else if (WEXITSTATUS(status) != 0) { 2266009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with exit status %d", 2267009ea47eSEdward Tomasz Napierala pid, WEXITSTATUS(status)); 2268009ea47eSEdward Tomasz Napierala } else { 2269009ea47eSEdward Tomasz Napierala log_debugx("child process %d terminated gracefully", pid); 2270009ea47eSEdward Tomasz Napierala } 2271009ea47eSEdward Tomasz Napierala num++; 2272009ea47eSEdward Tomasz Napierala } 2273009ea47eSEdward Tomasz Napierala 2274009ea47eSEdward Tomasz Napierala return (num); 2275009ea47eSEdward Tomasz Napierala } 2276009ea47eSEdward Tomasz Napierala 2277009ea47eSEdward Tomasz Napierala static void 22788eab95d6SEdward Tomasz Napierala handle_connection(struct portal *portal, int fd, 2279073edb1cSAlexander Motin const struct sockaddr *client_sa, bool dont_fork) 2280009ea47eSEdward Tomasz Napierala { 2281009ea47eSEdward Tomasz Napierala struct connection *conn; 2282009ea47eSEdward Tomasz Napierala int error; 2283009ea47eSEdward Tomasz Napierala pid_t pid; 2284009ea47eSEdward Tomasz Napierala char host[NI_MAXHOST + 1]; 2285009ea47eSEdward Tomasz Napierala struct conf *conf; 2286009ea47eSEdward Tomasz Napierala 2287009ea47eSEdward Tomasz Napierala conf = portal->p_portal_group->pg_conf; 2288009ea47eSEdward Tomasz Napierala 2289009ea47eSEdward Tomasz Napierala if (dont_fork) { 2290009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; not forking due to -d flag"); 2291009ea47eSEdward Tomasz Napierala } else { 2292009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2293009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2294009ea47eSEdward Tomasz Napierala 2295009ea47eSEdward Tomasz Napierala while (conf->conf_maxproc > 0 && nchildren >= conf->conf_maxproc) { 2296009ea47eSEdward Tomasz Napierala log_debugx("maxproc limit of %d child processes hit; " 2297009ea47eSEdward Tomasz Napierala "waiting for child process to exit", conf->conf_maxproc); 2298009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(true); 2299009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2300009ea47eSEdward Tomasz Napierala } 2301009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; forking child process #%d", 2302009ea47eSEdward Tomasz Napierala nchildren); 2303009ea47eSEdward Tomasz Napierala nchildren++; 2304009ea47eSEdward Tomasz Napierala pid = fork(); 2305009ea47eSEdward Tomasz Napierala if (pid < 0) 2306009ea47eSEdward Tomasz Napierala log_err(1, "fork"); 2307009ea47eSEdward Tomasz Napierala if (pid > 0) { 2308009ea47eSEdward Tomasz Napierala close(fd); 2309009ea47eSEdward Tomasz Napierala return; 2310009ea47eSEdward Tomasz Napierala } 2311009ea47eSEdward Tomasz Napierala } 2312009ea47eSEdward Tomasz Napierala pidfile_close(conf->conf_pidfh); 2313009ea47eSEdward Tomasz Napierala 2314073edb1cSAlexander Motin error = getnameinfo(client_sa, client_sa->sa_len, 2315009ea47eSEdward Tomasz Napierala host, sizeof(host), NULL, 0, NI_NUMERICHOST); 2316009ea47eSEdward Tomasz Napierala if (error != 0) 23179a95cfffSEdward Tomasz Napierala log_errx(1, "getnameinfo: %s", gai_strerror(error)); 2318009ea47eSEdward Tomasz Napierala 2319009ea47eSEdward Tomasz Napierala log_debugx("accepted connection from %s; portal group \"%s\"", 2320009ea47eSEdward Tomasz Napierala host, portal->p_portal_group->pg_name); 2321009ea47eSEdward Tomasz Napierala log_set_peer_addr(host); 2322009ea47eSEdward Tomasz Napierala setproctitle("%s", host); 2323009ea47eSEdward Tomasz Napierala 2324073edb1cSAlexander Motin conn = connection_new(portal, fd, host, client_sa); 2325829603e2SAlexander Motin set_timeout(conf->conf_timeout, true); 2326009ea47eSEdward Tomasz Napierala kernel_capsicate(); 2327009ea47eSEdward Tomasz Napierala login(conn); 2328009ea47eSEdward Tomasz Napierala if (conn->conn_session_type == CONN_SESSION_TYPE_NORMAL) { 2329009ea47eSEdward Tomasz Napierala kernel_handoff(conn); 2330009ea47eSEdward Tomasz Napierala log_debugx("connection handed off to the kernel"); 2331009ea47eSEdward Tomasz Napierala } else { 2332009ea47eSEdward Tomasz Napierala assert(conn->conn_session_type == CONN_SESSION_TYPE_DISCOVERY); 2333009ea47eSEdward Tomasz Napierala discovery(conn); 2334009ea47eSEdward Tomasz Napierala } 2335009ea47eSEdward Tomasz Napierala log_debugx("nothing more to do; exiting"); 2336009ea47eSEdward Tomasz Napierala exit(0); 2337009ea47eSEdward Tomasz Napierala } 2338009ea47eSEdward Tomasz Napierala 2339009ea47eSEdward Tomasz Napierala static int 2340009ea47eSEdward Tomasz Napierala fd_add(int fd, fd_set *fdset, int nfds) 2341009ea47eSEdward Tomasz Napierala { 2342009ea47eSEdward Tomasz Napierala 2343009ea47eSEdward Tomasz Napierala /* 2344009ea47eSEdward Tomasz Napierala * Skip sockets which we failed to bind. 2345009ea47eSEdward Tomasz Napierala */ 2346009ea47eSEdward Tomasz Napierala if (fd <= 0) 2347009ea47eSEdward Tomasz Napierala return (nfds); 2348009ea47eSEdward Tomasz Napierala 2349009ea47eSEdward Tomasz Napierala FD_SET(fd, fdset); 2350009ea47eSEdward Tomasz Napierala if (fd > nfds) 2351009ea47eSEdward Tomasz Napierala nfds = fd; 2352009ea47eSEdward Tomasz Napierala return (nfds); 2353009ea47eSEdward Tomasz Napierala } 2354009ea47eSEdward Tomasz Napierala 2355009ea47eSEdward Tomasz Napierala static void 2356009ea47eSEdward Tomasz Napierala main_loop(struct conf *conf, bool dont_fork) 2357009ea47eSEdward Tomasz Napierala { 2358009ea47eSEdward Tomasz Napierala struct portal_group *pg; 2359009ea47eSEdward Tomasz Napierala struct portal *portal; 23609a95cfffSEdward Tomasz Napierala struct sockaddr_storage client_sa; 23619a95cfffSEdward Tomasz Napierala socklen_t client_salen; 2362009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2363009ea47eSEdward Tomasz Napierala int connection_id; 23648cab2ed4SEdward Tomasz Napierala int portal_id; 2365ba3a2d31SEdward Tomasz Napierala #endif 2366009ea47eSEdward Tomasz Napierala fd_set fdset; 2367009ea47eSEdward Tomasz Napierala int error, nfds, client_fd; 2368009ea47eSEdward Tomasz Napierala 2369009ea47eSEdward Tomasz Napierala pidfile_write(conf->conf_pidfh); 2370009ea47eSEdward Tomasz Napierala 2371009ea47eSEdward Tomasz Napierala for (;;) { 2372829603e2SAlexander Motin if (sighup_received || sigterm_received || timed_out()) 2373009ea47eSEdward Tomasz Napierala return; 2374009ea47eSEdward Tomasz Napierala 2375009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2376ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 23778eab95d6SEdward Tomasz Napierala client_salen = sizeof(client_sa); 23788eab95d6SEdward Tomasz Napierala kernel_accept(&connection_id, &portal_id, 23798eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, &client_salen); 23800488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 2381009ea47eSEdward Tomasz Napierala 23828cab2ed4SEdward Tomasz Napierala log_debugx("incoming connection, id %d, portal id %d", 23838cab2ed4SEdward Tomasz Napierala connection_id, portal_id); 23848cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 23858cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 23868cab2ed4SEdward Tomasz Napierala if (portal->p_id == portal_id) { 23878cab2ed4SEdward Tomasz Napierala goto found; 23888cab2ed4SEdward Tomasz Napierala } 23898cab2ed4SEdward Tomasz Napierala } 23908cab2ed4SEdward Tomasz Napierala } 2391009ea47eSEdward Tomasz Napierala 23928cab2ed4SEdward Tomasz Napierala log_errx(1, "kernel returned invalid portal_id %d", 23938cab2ed4SEdward Tomasz Napierala portal_id); 23948cab2ed4SEdward Tomasz Napierala 23958cab2ed4SEdward Tomasz Napierala found: 23968eab95d6SEdward Tomasz Napierala handle_connection(portal, connection_id, 2397073edb1cSAlexander Motin (struct sockaddr *)&client_sa, dont_fork); 2398ba3a2d31SEdward Tomasz Napierala } else { 2399ba3a2d31SEdward Tomasz Napierala #endif 2400ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 2401ba3a2d31SEdward Tomasz Napierala 2402009ea47eSEdward Tomasz Napierala FD_ZERO(&fdset); 2403009ea47eSEdward Tomasz Napierala nfds = 0; 2404009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2405009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 2406009ea47eSEdward Tomasz Napierala nfds = fd_add(portal->p_socket, &fdset, nfds); 2407009ea47eSEdward Tomasz Napierala } 2408009ea47eSEdward Tomasz Napierala error = select(nfds + 1, &fdset, NULL, NULL, NULL); 2409009ea47eSEdward Tomasz Napierala if (error <= 0) { 2410009ea47eSEdward Tomasz Napierala if (errno == EINTR) 2411009ea47eSEdward Tomasz Napierala return; 2412009ea47eSEdward Tomasz Napierala log_err(1, "select"); 2413009ea47eSEdward Tomasz Napierala } 2414009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2415009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 2416009ea47eSEdward Tomasz Napierala if (!FD_ISSET(portal->p_socket, &fdset)) 2417009ea47eSEdward Tomasz Napierala continue; 24189a95cfffSEdward Tomasz Napierala client_salen = sizeof(client_sa); 24199a95cfffSEdward Tomasz Napierala client_fd = accept(portal->p_socket, 24209a95cfffSEdward Tomasz Napierala (struct sockaddr *)&client_sa, 24219a95cfffSEdward Tomasz Napierala &client_salen); 242283dd77c3SAlexander Motin if (client_fd < 0) { 242383dd77c3SAlexander Motin if (errno == ECONNABORTED) 242483dd77c3SAlexander Motin continue; 2425009ea47eSEdward Tomasz Napierala log_err(1, "accept"); 242683dd77c3SAlexander Motin } 24270488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 24280488e848SEdward Tomasz Napierala 24299a95cfffSEdward Tomasz Napierala handle_connection(portal, client_fd, 24308eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, 2431073edb1cSAlexander Motin dont_fork); 2432009ea47eSEdward Tomasz Napierala break; 2433009ea47eSEdward Tomasz Napierala } 2434009ea47eSEdward Tomasz Napierala } 2435ba3a2d31SEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2436ba3a2d31SEdward Tomasz Napierala } 2437ba3a2d31SEdward Tomasz Napierala #endif 2438009ea47eSEdward Tomasz Napierala } 2439009ea47eSEdward Tomasz Napierala } 2440009ea47eSEdward Tomasz Napierala 2441009ea47eSEdward Tomasz Napierala static void 2442009ea47eSEdward Tomasz Napierala sighup_handler(int dummy __unused) 2443009ea47eSEdward Tomasz Napierala { 2444009ea47eSEdward Tomasz Napierala 2445009ea47eSEdward Tomasz Napierala sighup_received = true; 2446009ea47eSEdward Tomasz Napierala } 2447009ea47eSEdward Tomasz Napierala 2448009ea47eSEdward Tomasz Napierala static void 2449009ea47eSEdward Tomasz Napierala sigterm_handler(int dummy __unused) 2450009ea47eSEdward Tomasz Napierala { 2451009ea47eSEdward Tomasz Napierala 2452009ea47eSEdward Tomasz Napierala sigterm_received = true; 2453009ea47eSEdward Tomasz Napierala } 2454009ea47eSEdward Tomasz Napierala 2455009ea47eSEdward Tomasz Napierala static void 245670b939ecSEdward Tomasz Napierala sigchld_handler(int dummy __unused) 245770b939ecSEdward Tomasz Napierala { 245870b939ecSEdward Tomasz Napierala 245970b939ecSEdward Tomasz Napierala /* 246070b939ecSEdward Tomasz Napierala * The only purpose of this handler is to make SIGCHLD 246170b939ecSEdward Tomasz Napierala * interrupt the ISCSIDWAIT ioctl(2), so we can call 246270b939ecSEdward Tomasz Napierala * wait_for_children(). 246370b939ecSEdward Tomasz Napierala */ 246470b939ecSEdward Tomasz Napierala } 246570b939ecSEdward Tomasz Napierala 246670b939ecSEdward Tomasz Napierala static void 2467009ea47eSEdward Tomasz Napierala register_signals(void) 2468009ea47eSEdward Tomasz Napierala { 2469009ea47eSEdward Tomasz Napierala struct sigaction sa; 2470009ea47eSEdward Tomasz Napierala int error; 2471009ea47eSEdward Tomasz Napierala 2472009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2473009ea47eSEdward Tomasz Napierala sa.sa_handler = sighup_handler; 2474009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2475009ea47eSEdward Tomasz Napierala error = sigaction(SIGHUP, &sa, NULL); 2476009ea47eSEdward Tomasz Napierala if (error != 0) 2477009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2478009ea47eSEdward Tomasz Napierala 2479009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2480009ea47eSEdward Tomasz Napierala error = sigaction(SIGTERM, &sa, NULL); 2481009ea47eSEdward Tomasz Napierala if (error != 0) 2482009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2483009ea47eSEdward Tomasz Napierala 2484009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2485009ea47eSEdward Tomasz Napierala error = sigaction(SIGINT, &sa, NULL); 2486009ea47eSEdward Tomasz Napierala if (error != 0) 2487009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 248870b939ecSEdward Tomasz Napierala 248970b939ecSEdward Tomasz Napierala sa.sa_handler = sigchld_handler; 249070b939ecSEdward Tomasz Napierala error = sigaction(SIGCHLD, &sa, NULL); 249170b939ecSEdward Tomasz Napierala if (error != 0) 249270b939ecSEdward Tomasz Napierala log_err(1, "sigaction"); 2493009ea47eSEdward Tomasz Napierala } 2494009ea47eSEdward Tomasz Napierala 24955c734b04SJakub Wojciech Klama static void 24965c734b04SJakub Wojciech Klama check_perms(const char *path) 24975c734b04SJakub Wojciech Klama { 24985c734b04SJakub Wojciech Klama struct stat sb; 24995c734b04SJakub Wojciech Klama int error; 25005c734b04SJakub Wojciech Klama 25015c734b04SJakub Wojciech Klama error = stat(path, &sb); 25025c734b04SJakub Wojciech Klama if (error != 0) { 25035c734b04SJakub Wojciech Klama log_warn("stat"); 25045c734b04SJakub Wojciech Klama return; 25055c734b04SJakub Wojciech Klama } 25065c734b04SJakub Wojciech Klama if (sb.st_mode & S_IWOTH) { 25075c734b04SJakub Wojciech Klama log_warnx("%s is world-writable", path); 25085c734b04SJakub Wojciech Klama } else if (sb.st_mode & S_IROTH) { 25095c734b04SJakub Wojciech Klama log_warnx("%s is world-readable", path); 25105c734b04SJakub Wojciech Klama } else if (sb.st_mode & S_IXOTH) { 25115c734b04SJakub Wojciech Klama /* 25125c734b04SJakub Wojciech Klama * Ok, this one doesn't matter, but still do it, 25135c734b04SJakub Wojciech Klama * just for consistency. 25145c734b04SJakub Wojciech Klama */ 25155c734b04SJakub Wojciech Klama log_warnx("%s is world-executable", path); 25165c734b04SJakub Wojciech Klama } 25175c734b04SJakub Wojciech Klama 25185c734b04SJakub Wojciech Klama /* 25195c734b04SJakub Wojciech Klama * XXX: Should we also check for owner != 0? 25205c734b04SJakub Wojciech Klama */ 25215c734b04SJakub Wojciech Klama } 25225c734b04SJakub Wojciech Klama 25235c734b04SJakub Wojciech Klama static struct conf * 25245c734b04SJakub Wojciech Klama conf_new_from_file(const char *path, struct conf *oldconf, bool ucl) 25255c734b04SJakub Wojciech Klama { 25265c734b04SJakub Wojciech Klama struct conf *conf; 25275c734b04SJakub Wojciech Klama struct auth_group *ag; 25285c734b04SJakub Wojciech Klama struct portal_group *pg; 25295c734b04SJakub Wojciech Klama struct pport *pp; 25305c734b04SJakub Wojciech Klama int error; 25315c734b04SJakub Wojciech Klama 25325c734b04SJakub Wojciech Klama log_debugx("obtaining configuration from %s", path); 25335c734b04SJakub Wojciech Klama 25345c734b04SJakub Wojciech Klama conf = conf_new(); 25355c734b04SJakub Wojciech Klama 25365c734b04SJakub Wojciech Klama TAILQ_FOREACH(pp, &oldconf->conf_pports, pp_next) 25375c734b04SJakub Wojciech Klama pport_copy(pp, conf); 25385c734b04SJakub Wojciech Klama 25395c734b04SJakub Wojciech Klama ag = auth_group_new(conf, "default"); 25405c734b04SJakub Wojciech Klama assert(ag != NULL); 25415c734b04SJakub Wojciech Klama 25425c734b04SJakub Wojciech Klama ag = auth_group_new(conf, "no-authentication"); 25435c734b04SJakub Wojciech Klama assert(ag != NULL); 25445c734b04SJakub Wojciech Klama ag->ag_type = AG_TYPE_NO_AUTHENTICATION; 25455c734b04SJakub Wojciech Klama 25465c734b04SJakub Wojciech Klama ag = auth_group_new(conf, "no-access"); 25475c734b04SJakub Wojciech Klama assert(ag != NULL); 25485c734b04SJakub Wojciech Klama ag->ag_type = AG_TYPE_DENY; 25495c734b04SJakub Wojciech Klama 25505c734b04SJakub Wojciech Klama pg = portal_group_new(conf, "default"); 25515c734b04SJakub Wojciech Klama assert(pg != NULL); 25525c734b04SJakub Wojciech Klama 25535c734b04SJakub Wojciech Klama if (ucl) 25545c734b04SJakub Wojciech Klama error = uclparse_conf(conf, path); 25555c734b04SJakub Wojciech Klama else 25565c734b04SJakub Wojciech Klama error = parse_conf(conf, path); 25575c734b04SJakub Wojciech Klama 25585c734b04SJakub Wojciech Klama if (error != 0) { 25595c734b04SJakub Wojciech Klama conf_delete(conf); 25605c734b04SJakub Wojciech Klama return (NULL); 25615c734b04SJakub Wojciech Klama } 25625c734b04SJakub Wojciech Klama 25635c734b04SJakub Wojciech Klama check_perms(path); 25645c734b04SJakub Wojciech Klama 25655c734b04SJakub Wojciech Klama if (conf->conf_default_ag_defined == false) { 25665c734b04SJakub Wojciech Klama log_debugx("auth-group \"default\" not defined; " 25675c734b04SJakub Wojciech Klama "going with defaults"); 25685c734b04SJakub Wojciech Klama ag = auth_group_find(conf, "default"); 25695c734b04SJakub Wojciech Klama assert(ag != NULL); 25705c734b04SJakub Wojciech Klama ag->ag_type = AG_TYPE_DENY; 25715c734b04SJakub Wojciech Klama } 25725c734b04SJakub Wojciech Klama 25735c734b04SJakub Wojciech Klama if (conf->conf_default_pg_defined == false) { 25745c734b04SJakub Wojciech Klama log_debugx("portal-group \"default\" not defined; " 25755c734b04SJakub Wojciech Klama "going with defaults"); 25765c734b04SJakub Wojciech Klama pg = portal_group_find(conf, "default"); 25775c734b04SJakub Wojciech Klama assert(pg != NULL); 25785c734b04SJakub Wojciech Klama portal_group_add_listen(pg, "0.0.0.0:3260", false); 25795c734b04SJakub Wojciech Klama portal_group_add_listen(pg, "[::]:3260", false); 25805c734b04SJakub Wojciech Klama } 25815c734b04SJakub Wojciech Klama 25825c734b04SJakub Wojciech Klama conf->conf_kernel_port_on = true; 25835c734b04SJakub Wojciech Klama 25845c734b04SJakub Wojciech Klama error = conf_verify(conf); 25855c734b04SJakub Wojciech Klama if (error != 0) { 25865c734b04SJakub Wojciech Klama conf_delete(conf); 25875c734b04SJakub Wojciech Klama return (NULL); 25885c734b04SJakub Wojciech Klama } 25895c734b04SJakub Wojciech Klama 25905c734b04SJakub Wojciech Klama return (conf); 25915c734b04SJakub Wojciech Klama } 25925c734b04SJakub Wojciech Klama 2593009ea47eSEdward Tomasz Napierala int 2594009ea47eSEdward Tomasz Napierala main(int argc, char **argv) 2595009ea47eSEdward Tomasz Napierala { 2596009ea47eSEdward Tomasz Napierala struct conf *oldconf, *newconf, *tmpconf; 2597829603e2SAlexander Motin struct isns *newns; 2598009ea47eSEdward Tomasz Napierala const char *config_path = DEFAULT_CONFIG_PATH; 2599009ea47eSEdward Tomasz Napierala int debug = 0, ch, error; 2600009ea47eSEdward Tomasz Napierala bool dont_daemonize = false; 26015c734b04SJakub Wojciech Klama bool use_ucl = false; 2602009ea47eSEdward Tomasz Napierala 26035c734b04SJakub Wojciech Klama while ((ch = getopt(argc, argv, "duf:R")) != -1) { 2604009ea47eSEdward Tomasz Napierala switch (ch) { 2605009ea47eSEdward Tomasz Napierala case 'd': 2606009ea47eSEdward Tomasz Napierala dont_daemonize = true; 2607009ea47eSEdward Tomasz Napierala debug++; 2608009ea47eSEdward Tomasz Napierala break; 26095c734b04SJakub Wojciech Klama case 'u': 26105c734b04SJakub Wojciech Klama use_ucl = true; 26115c734b04SJakub Wojciech Klama break; 2612009ea47eSEdward Tomasz Napierala case 'f': 2613009ea47eSEdward Tomasz Napierala config_path = optarg; 2614009ea47eSEdward Tomasz Napierala break; 2615ba3a2d31SEdward Tomasz Napierala case 'R': 2616ba3a2d31SEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 2617ba3a2d31SEdward Tomasz Napierala log_errx(1, "ctld(8) compiled without ICL_KERNEL_PROXY " 2618ba3a2d31SEdward Tomasz Napierala "does not support iSER protocol"); 2619ba3a2d31SEdward Tomasz Napierala #endif 2620ba3a2d31SEdward Tomasz Napierala proxy_mode = true; 2621ba3a2d31SEdward Tomasz Napierala break; 2622009ea47eSEdward Tomasz Napierala case '?': 2623009ea47eSEdward Tomasz Napierala default: 2624009ea47eSEdward Tomasz Napierala usage(); 2625009ea47eSEdward Tomasz Napierala } 2626009ea47eSEdward Tomasz Napierala } 2627009ea47eSEdward Tomasz Napierala argc -= optind; 2628009ea47eSEdward Tomasz Napierala if (argc != 0) 2629009ea47eSEdward Tomasz Napierala usage(); 2630009ea47eSEdward Tomasz Napierala 2631009ea47eSEdward Tomasz Napierala log_init(debug); 2632009ea47eSEdward Tomasz Napierala kernel_init(); 2633009ea47eSEdward Tomasz Napierala 2634009ea47eSEdward Tomasz Napierala oldconf = conf_new_from_kernel(); 26355c734b04SJakub Wojciech Klama newconf = conf_new_from_file(config_path, oldconf, use_ucl); 26365c734b04SJakub Wojciech Klama 2637009ea47eSEdward Tomasz Napierala if (newconf == NULL) 2638fe845cdbSEdward Tomasz Napierala log_errx(1, "configuration error; exiting"); 2639009ea47eSEdward Tomasz Napierala if (debug > 0) { 2640009ea47eSEdward Tomasz Napierala oldconf->conf_debug = debug; 2641009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2642009ea47eSEdward Tomasz Napierala } 2643009ea47eSEdward Tomasz Napierala 2644009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2645009ea47eSEdward Tomasz Napierala if (error != 0) 2646fe845cdbSEdward Tomasz Napierala log_errx(1, "failed to apply configuration; exiting"); 2647fe845cdbSEdward Tomasz Napierala 2648009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2649009ea47eSEdward Tomasz Napierala oldconf = NULL; 2650009ea47eSEdward Tomasz Napierala 2651009ea47eSEdward Tomasz Napierala register_signals(); 2652009ea47eSEdward Tomasz Napierala 26535d5a95f1SEdward Tomasz Napierala if (dont_daemonize == false) { 26545d5a95f1SEdward Tomasz Napierala log_debugx("daemonizing"); 26555d5a95f1SEdward Tomasz Napierala if (daemon(0, 0) == -1) { 26565d5a95f1SEdward Tomasz Napierala log_warn("cannot daemonize"); 26575d5a95f1SEdward Tomasz Napierala pidfile_remove(newconf->conf_pidfh); 26585d5a95f1SEdward Tomasz Napierala exit(1); 26595d5a95f1SEdward Tomasz Napierala } 26605d5a95f1SEdward Tomasz Napierala } 26615d5a95f1SEdward Tomasz Napierala 2662829603e2SAlexander Motin /* Schedule iSNS update */ 2663829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 2664829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 2665829603e2SAlexander Motin 2666009ea47eSEdward Tomasz Napierala for (;;) { 2667009ea47eSEdward Tomasz Napierala main_loop(newconf, dont_daemonize); 2668009ea47eSEdward Tomasz Napierala if (sighup_received) { 2669009ea47eSEdward Tomasz Napierala sighup_received = false; 2670009ea47eSEdward Tomasz Napierala log_debugx("received SIGHUP, reloading configuration"); 26715c734b04SJakub Wojciech Klama tmpconf = conf_new_from_file(config_path, newconf, 26725c734b04SJakub Wojciech Klama use_ucl); 26735c734b04SJakub Wojciech Klama 2674009ea47eSEdward Tomasz Napierala if (tmpconf == NULL) { 2675009ea47eSEdward Tomasz Napierala log_warnx("configuration error, " 2676009ea47eSEdward Tomasz Napierala "continuing with old configuration"); 2677009ea47eSEdward Tomasz Napierala } else { 2678009ea47eSEdward Tomasz Napierala if (debug > 0) 2679009ea47eSEdward Tomasz Napierala tmpconf->conf_debug = debug; 2680009ea47eSEdward Tomasz Napierala oldconf = newconf; 2681009ea47eSEdward Tomasz Napierala newconf = tmpconf; 2682009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2683009ea47eSEdward Tomasz Napierala if (error != 0) 2684009ea47eSEdward Tomasz Napierala log_warnx("failed to reload " 2685009ea47eSEdward Tomasz Napierala "configuration"); 2686009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2687009ea47eSEdward Tomasz Napierala oldconf = NULL; 2688009ea47eSEdward Tomasz Napierala } 2689009ea47eSEdward Tomasz Napierala } else if (sigterm_received) { 2690009ea47eSEdward Tomasz Napierala log_debugx("exiting on signal; " 2691009ea47eSEdward Tomasz Napierala "reloading empty configuration"); 2692009ea47eSEdward Tomasz Napierala 26936b31e130SAlexander Motin log_debugx("removing CTL iSCSI ports " 2694009ea47eSEdward Tomasz Napierala "and terminating all connections"); 2695009ea47eSEdward Tomasz Napierala 2696009ea47eSEdward Tomasz Napierala oldconf = newconf; 2697009ea47eSEdward Tomasz Napierala newconf = conf_new(); 2698009ea47eSEdward Tomasz Napierala if (debug > 0) 2699009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2700009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2701009ea47eSEdward Tomasz Napierala if (error != 0) 2702009ea47eSEdward Tomasz Napierala log_warnx("failed to apply configuration"); 2703829603e2SAlexander Motin conf_delete(oldconf); 2704829603e2SAlexander Motin oldconf = NULL; 2705009ea47eSEdward Tomasz Napierala 2706009ea47eSEdward Tomasz Napierala log_warnx("exiting on signal"); 2707009ea47eSEdward Tomasz Napierala exit(0); 2708009ea47eSEdward Tomasz Napierala } else { 2709009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2710009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2711829603e2SAlexander Motin if (timed_out()) { 2712829603e2SAlexander Motin set_timeout(0, false); 2713829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) 2714829603e2SAlexander Motin isns_check(newns); 2715829603e2SAlexander Motin /* Schedule iSNS update */ 2716829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) { 2717829603e2SAlexander Motin set_timeout((newconf->conf_isns_period 2718829603e2SAlexander Motin + 2) / 3, 2719829603e2SAlexander Motin false); 2720829603e2SAlexander Motin } 2721829603e2SAlexander Motin } 2722009ea47eSEdward Tomasz Napierala } 2723009ea47eSEdward Tomasz Napierala } 2724009ea47eSEdward Tomasz Napierala /* NOTREACHED */ 2725009ea47eSEdward Tomasz Napierala } 2726