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> 37009ea47eSEdward Tomasz Napierala #include <sys/wait.h> 38009ea47eSEdward Tomasz Napierala #include <netinet/in.h> 39073edb1cSAlexander Motin #include <arpa/inet.h> 40009ea47eSEdward Tomasz Napierala #include <assert.h> 41009ea47eSEdward Tomasz Napierala #include <ctype.h> 42009ea47eSEdward Tomasz Napierala #include <errno.h> 43009ea47eSEdward Tomasz Napierala #include <netdb.h> 44009ea47eSEdward Tomasz Napierala #include <signal.h> 45009ea47eSEdward Tomasz Napierala #include <stdbool.h> 46009ea47eSEdward Tomasz Napierala #include <stdio.h> 47009ea47eSEdward Tomasz Napierala #include <stdint.h> 48009ea47eSEdward Tomasz Napierala #include <stdlib.h> 49009ea47eSEdward Tomasz Napierala #include <string.h> 50009ea47eSEdward Tomasz Napierala #include <unistd.h> 51009ea47eSEdward Tomasz Napierala 52009ea47eSEdward Tomasz Napierala #include "ctld.h" 53829603e2SAlexander Motin #include "isns.h" 54009ea47eSEdward Tomasz Napierala 55ba3a2d31SEdward Tomasz Napierala bool proxy_mode = false; 56ba3a2d31SEdward Tomasz Napierala 57009ea47eSEdward Tomasz Napierala static volatile bool sighup_received = false; 58009ea47eSEdward Tomasz Napierala static volatile bool sigterm_received = false; 59009ea47eSEdward Tomasz Napierala static volatile bool sigalrm_received = false; 60009ea47eSEdward Tomasz Napierala 61009ea47eSEdward Tomasz Napierala static int nchildren = 0; 62*6b31e130SAlexander Motin static uint16_t last_portal_group_tag = 0; 63009ea47eSEdward Tomasz Napierala 64009ea47eSEdward Tomasz Napierala static void 65009ea47eSEdward Tomasz Napierala usage(void) 66009ea47eSEdward Tomasz Napierala { 67009ea47eSEdward Tomasz Napierala 68009ea47eSEdward Tomasz Napierala fprintf(stderr, "usage: ctld [-d][-f config-file]\n"); 69009ea47eSEdward Tomasz Napierala exit(1); 70009ea47eSEdward Tomasz Napierala } 71009ea47eSEdward Tomasz Napierala 72009ea47eSEdward Tomasz Napierala char * 73009ea47eSEdward Tomasz Napierala checked_strdup(const char *s) 74009ea47eSEdward Tomasz Napierala { 75009ea47eSEdward Tomasz Napierala char *c; 76009ea47eSEdward Tomasz Napierala 77009ea47eSEdward Tomasz Napierala c = strdup(s); 78009ea47eSEdward Tomasz Napierala if (c == NULL) 79009ea47eSEdward Tomasz Napierala log_err(1, "strdup"); 80009ea47eSEdward Tomasz Napierala return (c); 81009ea47eSEdward Tomasz Napierala } 82009ea47eSEdward Tomasz Napierala 83009ea47eSEdward Tomasz Napierala struct conf * 84009ea47eSEdward Tomasz Napierala conf_new(void) 85009ea47eSEdward Tomasz Napierala { 86009ea47eSEdward Tomasz Napierala struct conf *conf; 87009ea47eSEdward Tomasz Napierala 88009ea47eSEdward Tomasz Napierala conf = calloc(1, sizeof(*conf)); 89009ea47eSEdward Tomasz Napierala if (conf == NULL) 90009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 91920c6cbaSAlexander Motin TAILQ_INIT(&conf->conf_luns); 92009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_targets); 93009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_auth_groups); 94009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_portal_groups); 95829603e2SAlexander Motin TAILQ_INIT(&conf->conf_isns); 96009ea47eSEdward Tomasz Napierala 97829603e2SAlexander Motin conf->conf_isns_period = 900; 98829603e2SAlexander Motin conf->conf_isns_timeout = 5; 99009ea47eSEdward Tomasz Napierala conf->conf_debug = 0; 100009ea47eSEdward Tomasz Napierala conf->conf_timeout = 60; 101009ea47eSEdward Tomasz Napierala conf->conf_maxproc = 30; 102009ea47eSEdward Tomasz Napierala 103009ea47eSEdward Tomasz Napierala return (conf); 104009ea47eSEdward Tomasz Napierala } 105009ea47eSEdward Tomasz Napierala 106009ea47eSEdward Tomasz Napierala void 107009ea47eSEdward Tomasz Napierala conf_delete(struct conf *conf) 108009ea47eSEdward Tomasz Napierala { 109920c6cbaSAlexander Motin struct lun *lun, *ltmp; 110009ea47eSEdward Tomasz Napierala struct target *targ, *tmp; 111009ea47eSEdward Tomasz Napierala struct auth_group *ag, *cagtmp; 112009ea47eSEdward Tomasz Napierala struct portal_group *pg, *cpgtmp; 113829603e2SAlexander Motin struct isns *is, *istmp; 114009ea47eSEdward Tomasz Napierala 115009ea47eSEdward Tomasz Napierala assert(conf->conf_pidfh == NULL); 116009ea47eSEdward Tomasz Napierala 117920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(lun, &conf->conf_luns, l_next, ltmp) 118920c6cbaSAlexander Motin lun_delete(lun); 119009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(targ, &conf->conf_targets, t_next, tmp) 120009ea47eSEdward Tomasz Napierala target_delete(targ); 121009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(ag, &conf->conf_auth_groups, ag_next, cagtmp) 122009ea47eSEdward Tomasz Napierala auth_group_delete(ag); 123009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(pg, &conf->conf_portal_groups, pg_next, cpgtmp) 124009ea47eSEdward Tomasz Napierala portal_group_delete(pg); 125829603e2SAlexander Motin TAILQ_FOREACH_SAFE(is, &conf->conf_isns, i_next, istmp) 126829603e2SAlexander Motin isns_delete(is); 127009ea47eSEdward Tomasz Napierala free(conf->conf_pidfile_path); 128009ea47eSEdward Tomasz Napierala free(conf); 129009ea47eSEdward Tomasz Napierala } 130009ea47eSEdward Tomasz Napierala 131009ea47eSEdward Tomasz Napierala static struct auth * 132009ea47eSEdward Tomasz Napierala auth_new(struct auth_group *ag) 133009ea47eSEdward Tomasz Napierala { 134009ea47eSEdward Tomasz Napierala struct auth *auth; 135009ea47eSEdward Tomasz Napierala 136009ea47eSEdward Tomasz Napierala auth = calloc(1, sizeof(*auth)); 137009ea47eSEdward Tomasz Napierala if (auth == NULL) 138009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 139009ea47eSEdward Tomasz Napierala auth->a_auth_group = ag; 140009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_auths, auth, a_next); 141009ea47eSEdward Tomasz Napierala return (auth); 142009ea47eSEdward Tomasz Napierala } 143009ea47eSEdward Tomasz Napierala 144009ea47eSEdward Tomasz Napierala static void 145009ea47eSEdward Tomasz Napierala auth_delete(struct auth *auth) 146009ea47eSEdward Tomasz Napierala { 147009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&auth->a_auth_group->ag_auths, auth, a_next); 148009ea47eSEdward Tomasz Napierala 149009ea47eSEdward Tomasz Napierala free(auth->a_user); 150009ea47eSEdward Tomasz Napierala free(auth->a_secret); 151009ea47eSEdward Tomasz Napierala free(auth->a_mutual_user); 152009ea47eSEdward Tomasz Napierala free(auth->a_mutual_secret); 153009ea47eSEdward Tomasz Napierala free(auth); 154009ea47eSEdward Tomasz Napierala } 155009ea47eSEdward Tomasz Napierala 156009ea47eSEdward Tomasz Napierala const struct auth * 157d6093026SEdward Tomasz Napierala auth_find(const struct auth_group *ag, const char *user) 158009ea47eSEdward Tomasz Napierala { 159009ea47eSEdward Tomasz Napierala const struct auth *auth; 160009ea47eSEdward Tomasz Napierala 161009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) { 162009ea47eSEdward Tomasz Napierala if (strcmp(auth->a_user, user) == 0) 163009ea47eSEdward Tomasz Napierala return (auth); 164009ea47eSEdward Tomasz Napierala } 165009ea47eSEdward Tomasz Napierala 166009ea47eSEdward Tomasz Napierala return (NULL); 167009ea47eSEdward Tomasz Napierala } 168009ea47eSEdward Tomasz Napierala 1691658628dSEdward Tomasz Napierala static void 1701658628dSEdward Tomasz Napierala auth_check_secret_length(struct auth *auth) 1711658628dSEdward Tomasz Napierala { 1721658628dSEdward Tomasz Napierala size_t len; 1731658628dSEdward Tomasz Napierala 1741658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1751658628dSEdward Tomasz Napierala if (len > 16) { 1761658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1771658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1781658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1791658628dSEdward Tomasz Napierala "long", auth->a_user, auth->a_auth_group->ag_name); 1801658628dSEdward Tomasz Napierala else 1811658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1821658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1831658628dSEdward Tomasz Napierala "long", auth->a_user, 184f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1851658628dSEdward Tomasz Napierala } 1861658628dSEdward Tomasz Napierala if (len < 12) { 1871658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1881658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1891658628dSEdward Tomasz Napierala "is too short; it should be at least 12 characters " 1901658628dSEdward Tomasz Napierala "long", auth->a_user, 1911658628dSEdward Tomasz Napierala auth->a_auth_group->ag_name); 1921658628dSEdward Tomasz Napierala else 1931658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1941658628dSEdward Tomasz Napierala "is too short; it should be at least 16 characters " 1951658628dSEdward Tomasz Napierala "long", auth->a_user, 196f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1971658628dSEdward Tomasz Napierala } 1981658628dSEdward Tomasz Napierala 1991658628dSEdward Tomasz Napierala if (auth->a_mutual_secret != NULL) { 2001658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 2011658628dSEdward Tomasz Napierala if (len > 16) { 2021658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2031658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2041658628dSEdward Tomasz Napierala "auth-group \"%s\", is too long; it should " 2051658628dSEdward Tomasz Napierala "be at most 16 characters long", 2061658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2071658628dSEdward Tomasz Napierala else 2081658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2091658628dSEdward Tomasz Napierala "target \"%s\", is too long; it should " 2101658628dSEdward Tomasz Napierala "be at most 16 characters long", 2111658628dSEdward Tomasz Napierala auth->a_user, 212f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2131658628dSEdward Tomasz Napierala } 2141658628dSEdward Tomasz Napierala if (len < 12) { 2151658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2161658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2171658628dSEdward Tomasz Napierala "auth-group \"%s\", is too short; it " 2181658628dSEdward Tomasz Napierala "should be at least 12 characters long", 2191658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2201658628dSEdward Tomasz Napierala else 2211658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2221658628dSEdward Tomasz Napierala "target \"%s\", is too short; it should be " 2231658628dSEdward Tomasz Napierala "at least 16 characters long", 2241658628dSEdward Tomasz Napierala auth->a_user, 225f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2261658628dSEdward Tomasz Napierala } 2271658628dSEdward Tomasz Napierala } 2281658628dSEdward Tomasz Napierala } 2291658628dSEdward Tomasz Napierala 2301658628dSEdward Tomasz Napierala const struct auth * 2311658628dSEdward Tomasz Napierala auth_new_chap(struct auth_group *ag, const char *user, 2321658628dSEdward Tomasz Napierala const char *secret) 2331658628dSEdward Tomasz Napierala { 2341658628dSEdward Tomasz Napierala struct auth *auth; 2351658628dSEdward Tomasz Napierala 2361658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2371658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP; 2381658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP) { 2391658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2401658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2411658628dSEdward Tomasz Napierala "other types for auth-group \"%s\"", ag->ag_name); 2421658628dSEdward Tomasz Napierala else 2431658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2441658628dSEdward Tomasz Napierala "other types for target \"%s\"", 245f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2461658628dSEdward Tomasz Napierala return (NULL); 2471658628dSEdward Tomasz Napierala } 2481658628dSEdward Tomasz Napierala 2491658628dSEdward Tomasz Napierala auth = auth_new(ag); 2501658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2511658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2521658628dSEdward Tomasz Napierala 2531658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2541658628dSEdward Tomasz Napierala 2551658628dSEdward Tomasz Napierala return (auth); 2561658628dSEdward Tomasz Napierala } 2571658628dSEdward Tomasz Napierala 2581658628dSEdward Tomasz Napierala const struct auth * 2591658628dSEdward Tomasz Napierala auth_new_chap_mutual(struct auth_group *ag, const char *user, 2601658628dSEdward Tomasz Napierala const char *secret, const char *user2, const char *secret2) 2611658628dSEdward Tomasz Napierala { 2621658628dSEdward Tomasz Napierala struct auth *auth; 2631658628dSEdward Tomasz Napierala 2641658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2651658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP_MUTUAL; 2661658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP_MUTUAL) { 2671658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2681658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2691658628dSEdward Tomasz Napierala "with other types for auth-group \"%s\"", 2701658628dSEdward Tomasz Napierala ag->ag_name); 2711658628dSEdward Tomasz Napierala else 2721658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2731658628dSEdward Tomasz Napierala "with other types for target \"%s\"", 274f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2751658628dSEdward Tomasz Napierala return (NULL); 2761658628dSEdward Tomasz Napierala } 2771658628dSEdward Tomasz Napierala 2781658628dSEdward Tomasz Napierala auth = auth_new(ag); 2791658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2801658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2811658628dSEdward Tomasz Napierala auth->a_mutual_user = checked_strdup(user2); 2821658628dSEdward Tomasz Napierala auth->a_mutual_secret = checked_strdup(secret2); 2831658628dSEdward Tomasz Napierala 2841658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2851658628dSEdward Tomasz Napierala 2861658628dSEdward Tomasz Napierala return (auth); 2871658628dSEdward Tomasz Napierala } 2881658628dSEdward Tomasz Napierala 2898cb2e958SEdward Tomasz Napierala const struct auth_name * 2908cb2e958SEdward Tomasz Napierala auth_name_new(struct auth_group *ag, const char *name) 2918cb2e958SEdward Tomasz Napierala { 2928cb2e958SEdward Tomasz Napierala struct auth_name *an; 2938cb2e958SEdward Tomasz Napierala 2948cb2e958SEdward Tomasz Napierala an = calloc(1, sizeof(*an)); 2958cb2e958SEdward Tomasz Napierala if (an == NULL) 2968cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 2978cb2e958SEdward Tomasz Napierala an->an_auth_group = ag; 2988cb2e958SEdward Tomasz Napierala an->an_initator_name = checked_strdup(name); 2998cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_names, an, an_next); 3008cb2e958SEdward Tomasz Napierala return (an); 3018cb2e958SEdward Tomasz Napierala } 3028cb2e958SEdward Tomasz Napierala 3038cb2e958SEdward Tomasz Napierala static void 3048cb2e958SEdward Tomasz Napierala auth_name_delete(struct auth_name *an) 3058cb2e958SEdward Tomasz Napierala { 3068cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&an->an_auth_group->ag_names, an, an_next); 3078cb2e958SEdward Tomasz Napierala 3088cb2e958SEdward Tomasz Napierala free(an->an_initator_name); 3098cb2e958SEdward Tomasz Napierala free(an); 3108cb2e958SEdward Tomasz Napierala } 3118cb2e958SEdward Tomasz Napierala 3128cb2e958SEdward Tomasz Napierala bool 3138cb2e958SEdward Tomasz Napierala auth_name_defined(const struct auth_group *ag) 3148cb2e958SEdward Tomasz Napierala { 3158cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_names)) 3168cb2e958SEdward Tomasz Napierala return (false); 3178cb2e958SEdward Tomasz Napierala return (true); 3188cb2e958SEdward Tomasz Napierala } 3198cb2e958SEdward Tomasz Napierala 3208cb2e958SEdward Tomasz Napierala const struct auth_name * 3218cb2e958SEdward Tomasz Napierala auth_name_find(const struct auth_group *ag, const char *name) 3228cb2e958SEdward Tomasz Napierala { 3238cb2e958SEdward Tomasz Napierala const struct auth_name *auth_name; 3248cb2e958SEdward Tomasz Napierala 3258cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) { 3268cb2e958SEdward Tomasz Napierala if (strcmp(auth_name->an_initator_name, name) == 0) 3278cb2e958SEdward Tomasz Napierala return (auth_name); 3288cb2e958SEdward Tomasz Napierala } 3298cb2e958SEdward Tomasz Napierala 3308cb2e958SEdward Tomasz Napierala return (NULL); 3318cb2e958SEdward Tomasz Napierala } 3328cb2e958SEdward Tomasz Napierala 333e867e162SEdward Tomasz Napierala int 334e867e162SEdward Tomasz Napierala auth_name_check(const struct auth_group *ag, const char *initiator_name) 335e867e162SEdward Tomasz Napierala { 336e867e162SEdward Tomasz Napierala if (!auth_name_defined(ag)) 337e867e162SEdward Tomasz Napierala return (0); 338e867e162SEdward Tomasz Napierala 339e867e162SEdward Tomasz Napierala if (auth_name_find(ag, initiator_name) == NULL) 340e867e162SEdward Tomasz Napierala return (1); 341e867e162SEdward Tomasz Napierala 342e867e162SEdward Tomasz Napierala return (0); 343e867e162SEdward Tomasz Napierala } 344e867e162SEdward Tomasz Napierala 3458cb2e958SEdward Tomasz Napierala const struct auth_portal * 3468cb2e958SEdward Tomasz Napierala auth_portal_new(struct auth_group *ag, const char *portal) 3478cb2e958SEdward Tomasz Napierala { 3488cb2e958SEdward Tomasz Napierala struct auth_portal *ap; 349073edb1cSAlexander Motin char *net, *mask, *str, *tmp; 350073edb1cSAlexander Motin int len, dm, m; 3518cb2e958SEdward Tomasz Napierala 3528cb2e958SEdward Tomasz Napierala ap = calloc(1, sizeof(*ap)); 3538cb2e958SEdward Tomasz Napierala if (ap == NULL) 3548cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3558cb2e958SEdward Tomasz Napierala ap->ap_auth_group = ag; 3568cb2e958SEdward Tomasz Napierala ap->ap_initator_portal = checked_strdup(portal); 357073edb1cSAlexander Motin mask = str = checked_strdup(portal); 358073edb1cSAlexander Motin net = strsep(&mask, "/"); 359073edb1cSAlexander Motin if (net[0] == '[') 360073edb1cSAlexander Motin net++; 361073edb1cSAlexander Motin len = strlen(net); 362073edb1cSAlexander Motin if (len == 0) 363073edb1cSAlexander Motin goto error; 364073edb1cSAlexander Motin if (net[len - 1] == ']') 365073edb1cSAlexander Motin net[len - 1] = 0; 366073edb1cSAlexander Motin if (strchr(net, ':') != NULL) { 367073edb1cSAlexander Motin struct sockaddr_in6 *sin6 = 368073edb1cSAlexander Motin (struct sockaddr_in6 *)&ap->ap_sa; 369073edb1cSAlexander Motin 370073edb1cSAlexander Motin sin6->sin6_len = sizeof(*sin6); 371073edb1cSAlexander Motin sin6->sin6_family = AF_INET6; 372073edb1cSAlexander Motin if (inet_pton(AF_INET6, net, &sin6->sin6_addr) <= 0) 373073edb1cSAlexander Motin goto error; 374073edb1cSAlexander Motin dm = 128; 375073edb1cSAlexander Motin } else { 376073edb1cSAlexander Motin struct sockaddr_in *sin = 377073edb1cSAlexander Motin (struct sockaddr_in *)&ap->ap_sa; 378073edb1cSAlexander Motin 379073edb1cSAlexander Motin sin->sin_len = sizeof(*sin); 380073edb1cSAlexander Motin sin->sin_family = AF_INET; 381073edb1cSAlexander Motin if (inet_pton(AF_INET, net, &sin->sin_addr) <= 0) 382073edb1cSAlexander Motin goto error; 383073edb1cSAlexander Motin dm = 32; 384073edb1cSAlexander Motin } 385073edb1cSAlexander Motin if (mask != NULL) { 386073edb1cSAlexander Motin m = strtol(mask, &tmp, 0); 387073edb1cSAlexander Motin if (m < 0 || m > dm || tmp[0] != 0) 388073edb1cSAlexander Motin goto error; 389073edb1cSAlexander Motin } else 390073edb1cSAlexander Motin m = dm; 391073edb1cSAlexander Motin ap->ap_mask = m; 392073edb1cSAlexander Motin free(str); 3938cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_portals, ap, ap_next); 3948cb2e958SEdward Tomasz Napierala return (ap); 395073edb1cSAlexander Motin 396073edb1cSAlexander Motin error: 397073edb1cSAlexander Motin log_errx(1, "Incorrect initiator portal '%s'", portal); 398073edb1cSAlexander Motin return (NULL); 3998cb2e958SEdward Tomasz Napierala } 4008cb2e958SEdward Tomasz Napierala 4018cb2e958SEdward Tomasz Napierala static void 4028cb2e958SEdward Tomasz Napierala auth_portal_delete(struct auth_portal *ap) 4038cb2e958SEdward Tomasz Napierala { 4048cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&ap->ap_auth_group->ag_portals, ap, ap_next); 4058cb2e958SEdward Tomasz Napierala 4068cb2e958SEdward Tomasz Napierala free(ap->ap_initator_portal); 4078cb2e958SEdward Tomasz Napierala free(ap); 4088cb2e958SEdward Tomasz Napierala } 4098cb2e958SEdward Tomasz Napierala 4108cb2e958SEdward Tomasz Napierala bool 4118cb2e958SEdward Tomasz Napierala auth_portal_defined(const struct auth_group *ag) 4128cb2e958SEdward Tomasz Napierala { 4138cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_portals)) 4148cb2e958SEdward Tomasz Napierala return (false); 4158cb2e958SEdward Tomasz Napierala return (true); 4168cb2e958SEdward Tomasz Napierala } 4178cb2e958SEdward Tomasz Napierala 4188cb2e958SEdward Tomasz Napierala const struct auth_portal * 419073edb1cSAlexander Motin auth_portal_find(const struct auth_group *ag, const struct sockaddr_storage *ss) 4208cb2e958SEdward Tomasz Napierala { 421073edb1cSAlexander Motin const struct auth_portal *ap; 4225e46a066SAlexander Motin const uint8_t *a, *b; 423073edb1cSAlexander Motin int i; 4245e46a066SAlexander Motin uint8_t bmask; 4258cb2e958SEdward Tomasz Napierala 426073edb1cSAlexander Motin TAILQ_FOREACH(ap, &ag->ag_portals, ap_next) { 427073edb1cSAlexander Motin if (ap->ap_sa.ss_family != ss->ss_family) 428073edb1cSAlexander Motin continue; 429073edb1cSAlexander Motin if (ss->ss_family == AF_INET) { 4305e46a066SAlexander Motin a = (const uint8_t *) 4315e46a066SAlexander Motin &((const struct sockaddr_in *)ss)->sin_addr; 4325e46a066SAlexander Motin b = (const uint8_t *) 4335e46a066SAlexander Motin &((const struct sockaddr_in *)&ap->ap_sa)->sin_addr; 434073edb1cSAlexander Motin } else { 4355e46a066SAlexander Motin a = (const uint8_t *) 4365e46a066SAlexander Motin &((const struct sockaddr_in6 *)ss)->sin6_addr; 4375e46a066SAlexander Motin b = (const uint8_t *) 4385e46a066SAlexander Motin &((const struct sockaddr_in6 *)&ap->ap_sa)->sin6_addr; 439073edb1cSAlexander Motin } 440073edb1cSAlexander Motin for (i = 0; i < ap->ap_mask / 8; i++) { 441073edb1cSAlexander Motin if (a[i] != b[i]) 442073edb1cSAlexander Motin goto next; 443073edb1cSAlexander Motin } 444073edb1cSAlexander Motin if (ap->ap_mask % 8) { 445073edb1cSAlexander Motin bmask = 0xff << (8 - (ap->ap_mask % 8)); 446073edb1cSAlexander Motin if ((a[i] & bmask) != (b[i] & bmask)) 447073edb1cSAlexander Motin goto next; 448073edb1cSAlexander Motin } 449073edb1cSAlexander Motin return (ap); 450073edb1cSAlexander Motin next: 451073edb1cSAlexander Motin ; 4528cb2e958SEdward Tomasz Napierala } 4538cb2e958SEdward Tomasz Napierala 4548cb2e958SEdward Tomasz Napierala return (NULL); 4558cb2e958SEdward Tomasz Napierala } 4568cb2e958SEdward Tomasz Napierala 457e867e162SEdward Tomasz Napierala int 458e867e162SEdward Tomasz Napierala auth_portal_check(const struct auth_group *ag, const struct sockaddr_storage *sa) 459e867e162SEdward Tomasz Napierala { 460e867e162SEdward Tomasz Napierala 461e867e162SEdward Tomasz Napierala if (!auth_portal_defined(ag)) 462e867e162SEdward Tomasz Napierala return (0); 463e867e162SEdward Tomasz Napierala 464e867e162SEdward Tomasz Napierala if (auth_portal_find(ag, sa) == NULL) 465e867e162SEdward Tomasz Napierala return (1); 466e867e162SEdward Tomasz Napierala 467e867e162SEdward Tomasz Napierala return (0); 468e867e162SEdward Tomasz Napierala } 469e867e162SEdward Tomasz Napierala 470009ea47eSEdward Tomasz Napierala struct auth_group * 471009ea47eSEdward Tomasz Napierala auth_group_new(struct conf *conf, const char *name) 472009ea47eSEdward Tomasz Napierala { 473009ea47eSEdward Tomasz Napierala struct auth_group *ag; 474009ea47eSEdward Tomasz Napierala 475009ea47eSEdward Tomasz Napierala if (name != NULL) { 476009ea47eSEdward Tomasz Napierala ag = auth_group_find(conf, name); 477009ea47eSEdward Tomasz Napierala if (ag != NULL) { 478009ea47eSEdward Tomasz Napierala log_warnx("duplicated auth-group \"%s\"", name); 479009ea47eSEdward Tomasz Napierala return (NULL); 480009ea47eSEdward Tomasz Napierala } 481009ea47eSEdward Tomasz Napierala } 482009ea47eSEdward Tomasz Napierala 483009ea47eSEdward Tomasz Napierala ag = calloc(1, sizeof(*ag)); 484009ea47eSEdward Tomasz Napierala if (ag == NULL) 485009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 486009ea47eSEdward Tomasz Napierala if (name != NULL) 487009ea47eSEdward Tomasz Napierala ag->ag_name = checked_strdup(name); 488009ea47eSEdward Tomasz Napierala TAILQ_INIT(&ag->ag_auths); 4898cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_names); 4908cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_portals); 491009ea47eSEdward Tomasz Napierala ag->ag_conf = conf; 492009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_auth_groups, ag, ag_next); 493009ea47eSEdward Tomasz Napierala 494009ea47eSEdward Tomasz Napierala return (ag); 495009ea47eSEdward Tomasz Napierala } 496009ea47eSEdward Tomasz Napierala 497009ea47eSEdward Tomasz Napierala void 498009ea47eSEdward Tomasz Napierala auth_group_delete(struct auth_group *ag) 499009ea47eSEdward Tomasz Napierala { 5008cb2e958SEdward Tomasz Napierala struct auth *auth, *auth_tmp; 5018cb2e958SEdward Tomasz Napierala struct auth_name *auth_name, *auth_name_tmp; 5028cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal, *auth_portal_tmp; 503009ea47eSEdward Tomasz Napierala 504009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&ag->ag_conf->conf_auth_groups, ag, ag_next); 505009ea47eSEdward Tomasz Napierala 5068cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth, &ag->ag_auths, a_next, auth_tmp) 507009ea47eSEdward Tomasz Napierala auth_delete(auth); 5088cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_name, &ag->ag_names, an_next, auth_name_tmp) 5098cb2e958SEdward Tomasz Napierala auth_name_delete(auth_name); 5108cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_portal, &ag->ag_portals, ap_next, 5118cb2e958SEdward Tomasz Napierala auth_portal_tmp) 5128cb2e958SEdward Tomasz Napierala auth_portal_delete(auth_portal); 513009ea47eSEdward Tomasz Napierala free(ag->ag_name); 514009ea47eSEdward Tomasz Napierala free(ag); 515009ea47eSEdward Tomasz Napierala } 516009ea47eSEdward Tomasz Napierala 517009ea47eSEdward Tomasz Napierala struct auth_group * 518d6093026SEdward Tomasz Napierala auth_group_find(const struct conf *conf, const char *name) 519009ea47eSEdward Tomasz Napierala { 520009ea47eSEdward Tomasz Napierala struct auth_group *ag; 521009ea47eSEdward Tomasz Napierala 522009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 523009ea47eSEdward Tomasz Napierala if (ag->ag_name != NULL && strcmp(ag->ag_name, name) == 0) 524009ea47eSEdward Tomasz Napierala return (ag); 525009ea47eSEdward Tomasz Napierala } 526009ea47eSEdward Tomasz Napierala 527009ea47eSEdward Tomasz Napierala return (NULL); 528009ea47eSEdward Tomasz Napierala } 529009ea47eSEdward Tomasz Napierala 530df9900fbSEdward Tomasz Napierala int 531bd833b11SEdward Tomasz Napierala auth_group_set_type(struct auth_group *ag, const char *str) 532df9900fbSEdward Tomasz Napierala { 533bd833b11SEdward Tomasz Napierala int type; 534df9900fbSEdward Tomasz Napierala 535df9900fbSEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 536df9900fbSEdward Tomasz Napierala type = AG_TYPE_NO_AUTHENTICATION; 537e76ce448SEdward Tomasz Napierala } else if (strcmp(str, "deny") == 0) { 538e76ce448SEdward Tomasz Napierala type = AG_TYPE_DENY; 539df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap") == 0) { 540df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP; 541df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap-mutual") == 0) { 542df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP_MUTUAL; 543df9900fbSEdward Tomasz Napierala } else { 544df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 545df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for auth-group " 546df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_name); 547df9900fbSEdward Tomasz Napierala else 548df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for target " 549df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_target->t_name); 550df9900fbSEdward Tomasz Napierala return (1); 551df9900fbSEdward Tomasz Napierala } 552df9900fbSEdward Tomasz Napierala 553bd833b11SEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_UNKNOWN && ag->ag_type != type) { 554bd833b11SEdward Tomasz Napierala if (ag->ag_name != NULL) { 555df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for " 556df9900fbSEdward Tomasz Napierala "auth-group \"%s\"; already has a different " 557df9900fbSEdward Tomasz Napierala "type", str, ag->ag_name); 558bd833b11SEdward Tomasz Napierala } else { 559df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for target " 560df9900fbSEdward Tomasz Napierala "\"%s\"; already has a different type", 561df9900fbSEdward Tomasz Napierala str, ag->ag_target->t_name); 562bd833b11SEdward Tomasz Napierala } 563df9900fbSEdward Tomasz Napierala return (1); 564df9900fbSEdward Tomasz Napierala } 565df9900fbSEdward Tomasz Napierala 566bd833b11SEdward Tomasz Napierala ag->ag_type = type; 567bd833b11SEdward Tomasz Napierala 568bd833b11SEdward Tomasz Napierala return (0); 569df9900fbSEdward Tomasz Napierala } 570df9900fbSEdward Tomasz Napierala 571009ea47eSEdward Tomasz Napierala static struct portal * 572009ea47eSEdward Tomasz Napierala portal_new(struct portal_group *pg) 573009ea47eSEdward Tomasz Napierala { 574009ea47eSEdward Tomasz Napierala struct portal *portal; 575009ea47eSEdward Tomasz Napierala 576009ea47eSEdward Tomasz Napierala portal = calloc(1, sizeof(*portal)); 577009ea47eSEdward Tomasz Napierala if (portal == NULL) 578009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 579009ea47eSEdward Tomasz Napierala TAILQ_INIT(&portal->p_targets); 580009ea47eSEdward Tomasz Napierala portal->p_portal_group = pg; 581009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&pg->pg_portals, portal, p_next); 582009ea47eSEdward Tomasz Napierala return (portal); 583009ea47eSEdward Tomasz Napierala } 584009ea47eSEdward Tomasz Napierala 585009ea47eSEdward Tomasz Napierala static void 586009ea47eSEdward Tomasz Napierala portal_delete(struct portal *portal) 587009ea47eSEdward Tomasz Napierala { 58844a5953aSEdward Tomasz Napierala 589009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&portal->p_portal_group->pg_portals, portal, p_next); 59044a5953aSEdward Tomasz Napierala if (portal->p_ai != NULL) 591009ea47eSEdward Tomasz Napierala freeaddrinfo(portal->p_ai); 592009ea47eSEdward Tomasz Napierala free(portal->p_listen); 593009ea47eSEdward Tomasz Napierala free(portal); 594009ea47eSEdward Tomasz Napierala } 595009ea47eSEdward Tomasz Napierala 596009ea47eSEdward Tomasz Napierala struct portal_group * 597009ea47eSEdward Tomasz Napierala portal_group_new(struct conf *conf, const char *name) 598009ea47eSEdward Tomasz Napierala { 599009ea47eSEdward Tomasz Napierala struct portal_group *pg; 600009ea47eSEdward Tomasz Napierala 601009ea47eSEdward Tomasz Napierala pg = portal_group_find(conf, name); 602009ea47eSEdward Tomasz Napierala if (pg != NULL) { 603009ea47eSEdward Tomasz Napierala log_warnx("duplicated portal-group \"%s\"", name); 604009ea47eSEdward Tomasz Napierala return (NULL); 605009ea47eSEdward Tomasz Napierala } 606009ea47eSEdward Tomasz Napierala 607009ea47eSEdward Tomasz Napierala pg = calloc(1, sizeof(*pg)); 608009ea47eSEdward Tomasz Napierala if (pg == NULL) 609009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 610009ea47eSEdward Tomasz Napierala pg->pg_name = checked_strdup(name); 611009ea47eSEdward Tomasz Napierala TAILQ_INIT(&pg->pg_portals); 612009ea47eSEdward Tomasz Napierala pg->pg_conf = conf; 613*6b31e130SAlexander Motin pg->pg_tag = 0; /* Assigned later in conf_apply(). */ 614009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_portal_groups, pg, pg_next); 615009ea47eSEdward Tomasz Napierala 616009ea47eSEdward Tomasz Napierala return (pg); 617009ea47eSEdward Tomasz Napierala } 618009ea47eSEdward Tomasz Napierala 619009ea47eSEdward Tomasz Napierala void 620009ea47eSEdward Tomasz Napierala portal_group_delete(struct portal_group *pg) 621009ea47eSEdward Tomasz Napierala { 622009ea47eSEdward Tomasz Napierala struct portal *portal, *tmp; 623009ea47eSEdward Tomasz Napierala 624009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&pg->pg_conf->conf_portal_groups, pg, pg_next); 625009ea47eSEdward Tomasz Napierala 626009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(portal, &pg->pg_portals, p_next, tmp) 627009ea47eSEdward Tomasz Napierala portal_delete(portal); 628009ea47eSEdward Tomasz Napierala free(pg->pg_name); 6296dbdbf82SEdward Tomasz Napierala free(pg->pg_redirection); 630009ea47eSEdward Tomasz Napierala free(pg); 631009ea47eSEdward Tomasz Napierala } 632009ea47eSEdward Tomasz Napierala 633009ea47eSEdward Tomasz Napierala struct portal_group * 634d6093026SEdward Tomasz Napierala portal_group_find(const struct conf *conf, const char *name) 635009ea47eSEdward Tomasz Napierala { 636009ea47eSEdward Tomasz Napierala struct portal_group *pg; 637009ea47eSEdward Tomasz Napierala 638009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 639009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, name) == 0) 640009ea47eSEdward Tomasz Napierala return (pg); 641009ea47eSEdward Tomasz Napierala } 642009ea47eSEdward Tomasz Napierala 643009ea47eSEdward Tomasz Napierala return (NULL); 644009ea47eSEdward Tomasz Napierala } 645009ea47eSEdward Tomasz Napierala 646829603e2SAlexander Motin static int 647829603e2SAlexander Motin parse_addr_port(char *arg, const char *def_port, struct addrinfo **ai) 648009ea47eSEdward Tomasz Napierala { 649009ea47eSEdward Tomasz Napierala struct addrinfo hints; 6501606ad8cSAlexander Motin char *str, *addr, *ch; 651009ea47eSEdward Tomasz Napierala const char *port; 652009ea47eSEdward Tomasz Napierala int error, colons = 0; 653009ea47eSEdward Tomasz Napierala 6541606ad8cSAlexander Motin str = arg = strdup(arg); 655009ea47eSEdward Tomasz Napierala if (arg[0] == '[') { 656009ea47eSEdward Tomasz Napierala /* 657009ea47eSEdward Tomasz Napierala * IPv6 address in square brackets, perhaps with port. 658009ea47eSEdward Tomasz Napierala */ 659009ea47eSEdward Tomasz Napierala arg++; 660009ea47eSEdward Tomasz Napierala addr = strsep(&arg, "]"); 661829603e2SAlexander Motin if (arg == NULL) 662009ea47eSEdward Tomasz Napierala return (1); 663009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 664829603e2SAlexander Motin port = def_port; 665009ea47eSEdward Tomasz Napierala } else if (arg[0] == ':') { 666009ea47eSEdward Tomasz Napierala port = arg + 1; 6671606ad8cSAlexander Motin } else { 6681606ad8cSAlexander Motin free(str); 669009ea47eSEdward Tomasz Napierala return (1); 6701606ad8cSAlexander Motin } 671009ea47eSEdward Tomasz Napierala } else { 672009ea47eSEdward Tomasz Napierala /* 673009ea47eSEdward Tomasz Napierala * Either IPv6 address without brackets - and without 674009ea47eSEdward Tomasz Napierala * a port - or IPv4 address. Just count the colons. 675009ea47eSEdward Tomasz Napierala */ 676009ea47eSEdward Tomasz Napierala for (ch = arg; *ch != '\0'; ch++) { 677009ea47eSEdward Tomasz Napierala if (*ch == ':') 678009ea47eSEdward Tomasz Napierala colons++; 679009ea47eSEdward Tomasz Napierala } 680009ea47eSEdward Tomasz Napierala if (colons > 1) { 681009ea47eSEdward Tomasz Napierala addr = arg; 682829603e2SAlexander Motin port = def_port; 683009ea47eSEdward Tomasz Napierala } else { 684009ea47eSEdward Tomasz Napierala addr = strsep(&arg, ":"); 685009ea47eSEdward Tomasz Napierala if (arg == NULL) 686829603e2SAlexander Motin port = def_port; 687009ea47eSEdward Tomasz Napierala else 688009ea47eSEdward Tomasz Napierala port = arg; 689009ea47eSEdward Tomasz Napierala } 690009ea47eSEdward Tomasz Napierala } 691009ea47eSEdward Tomasz Napierala 692009ea47eSEdward Tomasz Napierala memset(&hints, 0, sizeof(hints)); 693009ea47eSEdward Tomasz Napierala hints.ai_family = PF_UNSPEC; 694009ea47eSEdward Tomasz Napierala hints.ai_socktype = SOCK_STREAM; 695009ea47eSEdward Tomasz Napierala hints.ai_flags = AI_PASSIVE; 696829603e2SAlexander Motin error = getaddrinfo(addr, port, &hints, ai); 6971606ad8cSAlexander Motin free(str); 6981606ad8cSAlexander Motin return ((error != 0) ? 1 : 0); 699829603e2SAlexander Motin } 700009ea47eSEdward Tomasz Napierala 701829603e2SAlexander Motin int 702829603e2SAlexander Motin portal_group_add_listen(struct portal_group *pg, const char *value, bool iser) 703829603e2SAlexander Motin { 704829603e2SAlexander Motin struct portal *portal; 705829603e2SAlexander Motin 706829603e2SAlexander Motin portal = portal_new(pg); 707829603e2SAlexander Motin portal->p_listen = checked_strdup(value); 708829603e2SAlexander Motin portal->p_iser = iser; 709829603e2SAlexander Motin 710829603e2SAlexander Motin if (parse_addr_port(portal->p_listen, "3260", &portal->p_ai)) { 711829603e2SAlexander Motin log_warnx("invalid listen address %s", portal->p_listen); 71244a5953aSEdward Tomasz Napierala portal_delete(portal); 713009ea47eSEdward Tomasz Napierala return (1); 714009ea47eSEdward Tomasz Napierala } 715009ea47eSEdward Tomasz Napierala 716009ea47eSEdward Tomasz Napierala /* 717009ea47eSEdward Tomasz Napierala * XXX: getaddrinfo(3) may return multiple addresses; we should turn 718009ea47eSEdward Tomasz Napierala * those into multiple portals. 719009ea47eSEdward Tomasz Napierala */ 720009ea47eSEdward Tomasz Napierala 721009ea47eSEdward Tomasz Napierala return (0); 722009ea47eSEdward Tomasz Napierala } 723009ea47eSEdward Tomasz Napierala 724829603e2SAlexander Motin int 725829603e2SAlexander Motin isns_new(struct conf *conf, const char *addr) 726829603e2SAlexander Motin { 727829603e2SAlexander Motin struct isns *isns; 728829603e2SAlexander Motin 729829603e2SAlexander Motin isns = calloc(1, sizeof(*isns)); 730829603e2SAlexander Motin if (isns == NULL) 731829603e2SAlexander Motin log_err(1, "calloc"); 732829603e2SAlexander Motin isns->i_conf = conf; 733829603e2SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_isns, isns, i_next); 734829603e2SAlexander Motin isns->i_addr = checked_strdup(addr); 735829603e2SAlexander Motin 736829603e2SAlexander Motin if (parse_addr_port(isns->i_addr, "3205", &isns->i_ai)) { 737829603e2SAlexander Motin log_warnx("invalid iSNS address %s", isns->i_addr); 738829603e2SAlexander Motin isns_delete(isns); 739829603e2SAlexander Motin return (1); 740829603e2SAlexander Motin } 741829603e2SAlexander Motin 742829603e2SAlexander Motin /* 743829603e2SAlexander Motin * XXX: getaddrinfo(3) may return multiple addresses; we should turn 744829603e2SAlexander Motin * those into multiple servers. 745829603e2SAlexander Motin */ 746829603e2SAlexander Motin 747829603e2SAlexander Motin return (0); 748829603e2SAlexander Motin } 749829603e2SAlexander Motin 750829603e2SAlexander Motin void 751829603e2SAlexander Motin isns_delete(struct isns *isns) 752829603e2SAlexander Motin { 753829603e2SAlexander Motin 754829603e2SAlexander Motin TAILQ_REMOVE(&isns->i_conf->conf_isns, isns, i_next); 755829603e2SAlexander Motin free(isns->i_addr); 756829603e2SAlexander Motin if (isns->i_ai != NULL) 757829603e2SAlexander Motin freeaddrinfo(isns->i_ai); 758829603e2SAlexander Motin free(isns); 759829603e2SAlexander Motin } 760829603e2SAlexander Motin 761829603e2SAlexander Motin static int 762829603e2SAlexander Motin isns_do_connect(struct isns *isns) 763829603e2SAlexander Motin { 764829603e2SAlexander Motin int s; 765829603e2SAlexander Motin 766829603e2SAlexander Motin s = socket(isns->i_ai->ai_family, isns->i_ai->ai_socktype, 767829603e2SAlexander Motin isns->i_ai->ai_protocol); 768829603e2SAlexander Motin if (s < 0) { 769829603e2SAlexander Motin log_warn("socket(2) failed for %s", isns->i_addr); 770829603e2SAlexander Motin return (-1); 771829603e2SAlexander Motin } 772829603e2SAlexander Motin if (connect(s, isns->i_ai->ai_addr, isns->i_ai->ai_addrlen)) { 773829603e2SAlexander Motin log_warn("connect(2) failed for %s", isns->i_addr); 774829603e2SAlexander Motin close(s); 775829603e2SAlexander Motin return (-1); 776829603e2SAlexander Motin } 777829603e2SAlexander Motin return(s); 778829603e2SAlexander Motin } 779829603e2SAlexander Motin 780829603e2SAlexander Motin static int 781829603e2SAlexander Motin isns_do_register(struct isns *isns, int s, const char *hostname) 782829603e2SAlexander Motin { 783829603e2SAlexander Motin struct conf *conf = isns->i_conf; 784829603e2SAlexander Motin struct target *target; 785829603e2SAlexander Motin struct portal *portal; 786829603e2SAlexander Motin struct portal_group *pg; 787829603e2SAlexander Motin struct isns_req *req; 788829603e2SAlexander Motin int res = 0; 789829603e2SAlexander Motin uint32_t error; 790829603e2SAlexander Motin 791829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRREG, ISNS_FLAG_CLIENT); 792829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 793829603e2SAlexander Motin isns_req_add_delim(req); 794829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 795829603e2SAlexander Motin isns_req_add_32(req, 2, 2); /* 2 -- iSCSI */ 796829603e2SAlexander Motin isns_req_add_32(req, 6, conf->conf_isns_period); 797829603e2SAlexander Motin TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 798829603e2SAlexander Motin if (pg->pg_unassigned) 799829603e2SAlexander Motin continue; 800829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 801829603e2SAlexander Motin isns_req_add_addr(req, 16, portal->p_ai); 802829603e2SAlexander Motin isns_req_add_port(req, 17, portal->p_ai); 803829603e2SAlexander Motin } 804829603e2SAlexander Motin } 805829603e2SAlexander Motin TAILQ_FOREACH(target, &conf->conf_targets, t_next) { 806829603e2SAlexander Motin isns_req_add_str(req, 32, target->t_name); 807829603e2SAlexander Motin isns_req_add_32(req, 33, 1); /* 1 -- Target*/ 808829603e2SAlexander Motin if (target->t_alias != NULL) 809829603e2SAlexander Motin isns_req_add_str(req, 34, target->t_alias); 810829603e2SAlexander Motin pg = target->t_portal_group; 811829603e2SAlexander Motin isns_req_add_32(req, 51, pg->pg_tag); 812829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 813829603e2SAlexander Motin isns_req_add_addr(req, 49, portal->p_ai); 814829603e2SAlexander Motin isns_req_add_port(req, 50, portal->p_ai); 815829603e2SAlexander Motin } 816829603e2SAlexander Motin } 817829603e2SAlexander Motin res = isns_req_send(s, req); 818829603e2SAlexander Motin if (res < 0) { 819829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 820829603e2SAlexander Motin goto quit; 821829603e2SAlexander Motin } 822829603e2SAlexander Motin res = isns_req_receive(s, req); 823829603e2SAlexander Motin if (res < 0) { 824829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 825829603e2SAlexander Motin goto quit; 826829603e2SAlexander Motin } 827829603e2SAlexander Motin error = isns_req_get_status(req); 828829603e2SAlexander Motin if (error != 0) { 829829603e2SAlexander Motin log_warnx("iSNS register error %d for %s", error, isns->i_addr); 830829603e2SAlexander Motin res = -1; 831829603e2SAlexander Motin } 832829603e2SAlexander Motin quit: 833829603e2SAlexander Motin isns_req_free(req); 834829603e2SAlexander Motin return (res); 835829603e2SAlexander Motin } 836829603e2SAlexander Motin 837829603e2SAlexander Motin static int 838829603e2SAlexander Motin isns_do_check(struct isns *isns, int s, const char *hostname) 839829603e2SAlexander Motin { 840829603e2SAlexander Motin struct conf *conf = isns->i_conf; 841829603e2SAlexander Motin struct isns_req *req; 842829603e2SAlexander Motin int res = 0; 843829603e2SAlexander Motin uint32_t error; 844829603e2SAlexander Motin 845829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRQRY, ISNS_FLAG_CLIENT); 846829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 847829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 848829603e2SAlexander Motin isns_req_add_delim(req); 849829603e2SAlexander Motin isns_req_add(req, 2, 0, NULL); 850829603e2SAlexander Motin res = isns_req_send(s, req); 851829603e2SAlexander Motin if (res < 0) { 852829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 853829603e2SAlexander Motin goto quit; 854829603e2SAlexander Motin } 855829603e2SAlexander Motin res = isns_req_receive(s, req); 856829603e2SAlexander Motin if (res < 0) { 857829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 858829603e2SAlexander Motin goto quit; 859829603e2SAlexander Motin } 860829603e2SAlexander Motin error = isns_req_get_status(req); 861829603e2SAlexander Motin if (error != 0) { 862829603e2SAlexander Motin log_warnx("iSNS check error %d for %s", error, isns->i_addr); 863829603e2SAlexander Motin res = -1; 864829603e2SAlexander Motin } 865829603e2SAlexander Motin quit: 866829603e2SAlexander Motin isns_req_free(req); 867829603e2SAlexander Motin return (res); 868829603e2SAlexander Motin } 869829603e2SAlexander Motin 870829603e2SAlexander Motin static int 871829603e2SAlexander Motin isns_do_deregister(struct isns *isns, int s, const char *hostname) 872829603e2SAlexander Motin { 873829603e2SAlexander Motin struct conf *conf = isns->i_conf; 874829603e2SAlexander Motin struct isns_req *req; 875829603e2SAlexander Motin int res = 0; 876829603e2SAlexander Motin uint32_t error; 877829603e2SAlexander Motin 878829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVDEREG, ISNS_FLAG_CLIENT); 879829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 880829603e2SAlexander Motin isns_req_add_delim(req); 881829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 882829603e2SAlexander Motin res = isns_req_send(s, req); 883829603e2SAlexander Motin if (res < 0) { 884829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 885829603e2SAlexander Motin goto quit; 886829603e2SAlexander Motin } 887829603e2SAlexander Motin res = isns_req_receive(s, req); 888829603e2SAlexander Motin if (res < 0) { 889829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 890829603e2SAlexander Motin goto quit; 891829603e2SAlexander Motin } 892829603e2SAlexander Motin error = isns_req_get_status(req); 893829603e2SAlexander Motin if (error != 0) { 894829603e2SAlexander Motin log_warnx("iSNS deregister error %d for %s", error, isns->i_addr); 895829603e2SAlexander Motin res = -1; 896829603e2SAlexander Motin } 897829603e2SAlexander Motin quit: 898829603e2SAlexander Motin isns_req_free(req); 899829603e2SAlexander Motin return (res); 900829603e2SAlexander Motin } 901829603e2SAlexander Motin 902829603e2SAlexander Motin void 903829603e2SAlexander Motin isns_register(struct isns *isns, struct isns *oldisns) 904829603e2SAlexander Motin { 905829603e2SAlexander Motin struct conf *conf = isns->i_conf; 906d5cc4a4aSAlexander Motin int s; 907829603e2SAlexander Motin char hostname[256]; 908829603e2SAlexander Motin 909829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 910829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 911829603e2SAlexander Motin return; 912829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 913829603e2SAlexander Motin s = isns_do_connect(isns); 914829603e2SAlexander Motin if (s < 0) { 915829603e2SAlexander Motin set_timeout(0, false); 916829603e2SAlexander Motin return; 917829603e2SAlexander Motin } 918829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 919829603e2SAlexander Motin 920829603e2SAlexander Motin if (oldisns == NULL || TAILQ_EMPTY(&oldisns->i_conf->conf_targets)) 921829603e2SAlexander Motin oldisns = isns; 922d5cc4a4aSAlexander Motin isns_do_deregister(oldisns, s, hostname); 923d5cc4a4aSAlexander Motin isns_do_register(isns, s, hostname); 924829603e2SAlexander Motin close(s); 925829603e2SAlexander Motin set_timeout(0, false); 926829603e2SAlexander Motin } 927829603e2SAlexander Motin 928829603e2SAlexander Motin void 929829603e2SAlexander Motin isns_check(struct isns *isns) 930829603e2SAlexander Motin { 931829603e2SAlexander Motin struct conf *conf = isns->i_conf; 932829603e2SAlexander Motin int s, res; 933829603e2SAlexander Motin char hostname[256]; 934829603e2SAlexander Motin 935829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 936829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 937829603e2SAlexander Motin return; 938829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 939829603e2SAlexander Motin s = isns_do_connect(isns); 940829603e2SAlexander Motin if (s < 0) { 941829603e2SAlexander Motin set_timeout(0, false); 942829603e2SAlexander Motin return; 943829603e2SAlexander Motin } 944829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 945829603e2SAlexander Motin 946829603e2SAlexander Motin res = isns_do_check(isns, s, hostname); 947829603e2SAlexander Motin if (res < 0) { 948d5cc4a4aSAlexander Motin isns_do_deregister(isns, s, hostname); 949d5cc4a4aSAlexander Motin isns_do_register(isns, s, hostname); 950829603e2SAlexander Motin } 951829603e2SAlexander Motin close(s); 952829603e2SAlexander Motin set_timeout(0, false); 953829603e2SAlexander Motin } 954829603e2SAlexander Motin 955829603e2SAlexander Motin void 956829603e2SAlexander Motin isns_deregister(struct isns *isns) 957829603e2SAlexander Motin { 958829603e2SAlexander Motin struct conf *conf = isns->i_conf; 959d5cc4a4aSAlexander Motin int s; 960829603e2SAlexander Motin char hostname[256]; 961829603e2SAlexander Motin 962829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 963829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 964829603e2SAlexander Motin return; 965829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 966829603e2SAlexander Motin s = isns_do_connect(isns); 967829603e2SAlexander Motin if (s < 0) 968829603e2SAlexander Motin return; 969829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 970829603e2SAlexander Motin 971d5cc4a4aSAlexander Motin isns_do_deregister(isns, s, hostname); 972829603e2SAlexander Motin close(s); 973829603e2SAlexander Motin set_timeout(0, false); 974829603e2SAlexander Motin } 975829603e2SAlexander Motin 97605374883SEdward Tomasz Napierala int 977bd833b11SEdward Tomasz Napierala portal_group_set_filter(struct portal_group *pg, const char *str) 97805374883SEdward Tomasz Napierala { 979bd833b11SEdward Tomasz Napierala int filter; 98005374883SEdward Tomasz Napierala 98105374883SEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 98205374883SEdward Tomasz Napierala filter = PG_FILTER_NONE; 98305374883SEdward Tomasz Napierala } else if (strcmp(str, "portal") == 0) { 98405374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL; 98505374883SEdward Tomasz Napierala } else if (strcmp(str, "portal-name") == 0) { 98605374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL_NAME; 98705374883SEdward Tomasz Napierala } else if (strcmp(str, "portal-name-auth") == 0) { 98805374883SEdward Tomasz Napierala filter = PG_FILTER_PORTAL_NAME_AUTH; 98905374883SEdward Tomasz Napierala } else { 99005374883SEdward Tomasz Napierala log_warnx("invalid discovery-filter \"%s\" for portal-group " 99105374883SEdward Tomasz Napierala "\"%s\"; valid values are \"none\", \"portal\", " 99205374883SEdward Tomasz Napierala "\"portal-name\", and \"portal-name-auth\"", 99305374883SEdward Tomasz Napierala str, pg->pg_name); 99405374883SEdward Tomasz Napierala return (1); 99505374883SEdward Tomasz Napierala } 99605374883SEdward Tomasz Napierala 997bd833b11SEdward Tomasz Napierala if (pg->pg_discovery_filter != PG_FILTER_UNKNOWN && 998bd833b11SEdward Tomasz Napierala pg->pg_discovery_filter != filter) { 99905374883SEdward Tomasz Napierala log_warnx("cannot set discovery-filter to \"%s\" for " 100005374883SEdward Tomasz Napierala "portal-group \"%s\"; already has a different " 100105374883SEdward Tomasz Napierala "value", str, pg->pg_name); 100205374883SEdward Tomasz Napierala return (1); 100305374883SEdward Tomasz Napierala } 100405374883SEdward Tomasz Napierala 1005bd833b11SEdward Tomasz Napierala pg->pg_discovery_filter = filter; 1006bd833b11SEdward Tomasz Napierala 1007bd833b11SEdward Tomasz Napierala return (0); 100805374883SEdward Tomasz Napierala } 100905374883SEdward Tomasz Napierala 10106dbdbf82SEdward Tomasz Napierala int 10116dbdbf82SEdward Tomasz Napierala portal_group_set_redirection(struct portal_group *pg, const char *addr) 10126dbdbf82SEdward Tomasz Napierala { 10136dbdbf82SEdward Tomasz Napierala 10146dbdbf82SEdward Tomasz Napierala if (pg->pg_redirection != NULL) { 10156dbdbf82SEdward Tomasz Napierala log_warnx("cannot set redirection to \"%s\" for " 10166dbdbf82SEdward Tomasz Napierala "portal-group \"%s\"; already defined", 10176dbdbf82SEdward Tomasz Napierala addr, pg->pg_name); 10186dbdbf82SEdward Tomasz Napierala return (1); 10196dbdbf82SEdward Tomasz Napierala } 10206dbdbf82SEdward Tomasz Napierala 10216dbdbf82SEdward Tomasz Napierala pg->pg_redirection = checked_strdup(addr); 10226dbdbf82SEdward Tomasz Napierala 10236dbdbf82SEdward Tomasz Napierala return (0); 10246dbdbf82SEdward Tomasz Napierala } 10256dbdbf82SEdward Tomasz Napierala 1026009ea47eSEdward Tomasz Napierala static bool 1027009ea47eSEdward Tomasz Napierala valid_hex(const char ch) 1028009ea47eSEdward Tomasz Napierala { 1029009ea47eSEdward Tomasz Napierala switch (ch) { 1030009ea47eSEdward Tomasz Napierala case '0': 1031009ea47eSEdward Tomasz Napierala case '1': 1032009ea47eSEdward Tomasz Napierala case '2': 1033009ea47eSEdward Tomasz Napierala case '3': 1034009ea47eSEdward Tomasz Napierala case '4': 1035009ea47eSEdward Tomasz Napierala case '5': 1036009ea47eSEdward Tomasz Napierala case '6': 1037009ea47eSEdward Tomasz Napierala case '7': 1038009ea47eSEdward Tomasz Napierala case '8': 1039009ea47eSEdward Tomasz Napierala case '9': 1040009ea47eSEdward Tomasz Napierala case 'a': 1041009ea47eSEdward Tomasz Napierala case 'A': 1042009ea47eSEdward Tomasz Napierala case 'b': 1043009ea47eSEdward Tomasz Napierala case 'B': 1044009ea47eSEdward Tomasz Napierala case 'c': 1045009ea47eSEdward Tomasz Napierala case 'C': 1046009ea47eSEdward Tomasz Napierala case 'd': 1047009ea47eSEdward Tomasz Napierala case 'D': 1048009ea47eSEdward Tomasz Napierala case 'e': 1049009ea47eSEdward Tomasz Napierala case 'E': 1050009ea47eSEdward Tomasz Napierala case 'f': 1051009ea47eSEdward Tomasz Napierala case 'F': 1052009ea47eSEdward Tomasz Napierala return (true); 1053009ea47eSEdward Tomasz Napierala default: 1054009ea47eSEdward Tomasz Napierala return (false); 1055009ea47eSEdward Tomasz Napierala } 1056009ea47eSEdward Tomasz Napierala } 1057009ea47eSEdward Tomasz Napierala 1058009ea47eSEdward Tomasz Napierala bool 1059009ea47eSEdward Tomasz Napierala valid_iscsi_name(const char *name) 1060009ea47eSEdward Tomasz Napierala { 1061009ea47eSEdward Tomasz Napierala int i; 1062009ea47eSEdward Tomasz Napierala 1063009ea47eSEdward Tomasz Napierala if (strlen(name) >= MAX_NAME_LEN) { 1064009ea47eSEdward Tomasz Napierala log_warnx("overlong name for target \"%s\"; max length allowed " 1065009ea47eSEdward Tomasz Napierala "by iSCSI specification is %d characters", 1066009ea47eSEdward Tomasz Napierala name, MAX_NAME_LEN); 1067009ea47eSEdward Tomasz Napierala return (false); 1068009ea47eSEdward Tomasz Napierala } 1069009ea47eSEdward Tomasz Napierala 1070009ea47eSEdward Tomasz Napierala /* 1071009ea47eSEdward Tomasz Napierala * In the cases below, we don't return an error, just in case the admin 1072009ea47eSEdward Tomasz Napierala * was right, and we're wrong. 1073009ea47eSEdward Tomasz Napierala */ 1074009ea47eSEdward Tomasz Napierala if (strncasecmp(name, "iqn.", strlen("iqn.")) == 0) { 1075009ea47eSEdward Tomasz Napierala for (i = strlen("iqn."); name[i] != '\0'; i++) { 1076009ea47eSEdward Tomasz Napierala /* 1077009ea47eSEdward Tomasz Napierala * XXX: We should verify UTF-8 normalisation, as defined 1078009ea47eSEdward Tomasz Napierala * by 3.2.6.2: iSCSI Name Encoding. 1079009ea47eSEdward Tomasz Napierala */ 1080009ea47eSEdward Tomasz Napierala if (isalnum(name[i])) 1081009ea47eSEdward Tomasz Napierala continue; 1082009ea47eSEdward Tomasz Napierala if (name[i] == '-' || name[i] == '.' || name[i] == ':') 1083009ea47eSEdward Tomasz Napierala continue; 1084009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target name " 1085009ea47eSEdward Tomasz Napierala "\"%s\"; allowed characters are letters, digits, " 1086009ea47eSEdward Tomasz Napierala "'-', '.', and ':'", name[i], name); 1087009ea47eSEdward Tomasz Napierala break; 1088009ea47eSEdward Tomasz Napierala } 1089009ea47eSEdward Tomasz Napierala /* 1090009ea47eSEdward Tomasz Napierala * XXX: Check more stuff: valid date and a valid reversed domain. 1091009ea47eSEdward Tomasz Napierala */ 1092009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "eui.", strlen("eui.")) == 0) { 1093009ea47eSEdward Tomasz Napierala if (strlen(name) != strlen("eui.") + 16) 1094009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"eui.\" " 1095009ea47eSEdward Tomasz Napierala "should be followed by exactly 16 hexadecimal " 1096009ea47eSEdward Tomasz Napierala "digits", name); 1097009ea47eSEdward Tomasz Napierala for (i = strlen("eui."); name[i] != '\0'; i++) { 1098009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1099009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1100009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1101009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1102009ea47eSEdward Tomasz Napierala break; 1103009ea47eSEdward Tomasz Napierala } 1104009ea47eSEdward Tomasz Napierala } 1105009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "naa.", strlen("naa.")) == 0) { 1106009ea47eSEdward Tomasz Napierala if (strlen(name) > strlen("naa.") + 32) 1107009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"naa.\" " 1108009ea47eSEdward Tomasz Napierala "should be followed by at most 32 hexadecimal " 1109009ea47eSEdward Tomasz Napierala "digits", name); 1110009ea47eSEdward Tomasz Napierala for (i = strlen("naa."); name[i] != '\0'; i++) { 1111009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1112009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1113009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1114009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1115009ea47eSEdward Tomasz Napierala break; 1116009ea47eSEdward Tomasz Napierala } 1117009ea47eSEdward Tomasz Napierala } 1118009ea47eSEdward Tomasz Napierala } else { 1119009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; should start with " 1120009ea47eSEdward Tomasz Napierala "either \".iqn\", \"eui.\", or \"naa.\"", 1121009ea47eSEdward Tomasz Napierala name); 1122009ea47eSEdward Tomasz Napierala } 1123009ea47eSEdward Tomasz Napierala return (true); 1124009ea47eSEdward Tomasz Napierala } 1125009ea47eSEdward Tomasz Napierala 1126009ea47eSEdward Tomasz Napierala struct target * 1127f7ae5bf8SEdward Tomasz Napierala target_new(struct conf *conf, const char *name) 1128009ea47eSEdward Tomasz Napierala { 1129009ea47eSEdward Tomasz Napierala struct target *targ; 1130009ea47eSEdward Tomasz Napierala int i, len; 1131009ea47eSEdward Tomasz Napierala 1132f7ae5bf8SEdward Tomasz Napierala targ = target_find(conf, name); 1133009ea47eSEdward Tomasz Napierala if (targ != NULL) { 1134f7ae5bf8SEdward Tomasz Napierala log_warnx("duplicated target \"%s\"", name); 1135009ea47eSEdward Tomasz Napierala return (NULL); 1136009ea47eSEdward Tomasz Napierala } 1137f7ae5bf8SEdward Tomasz Napierala if (valid_iscsi_name(name) == false) { 1138f7ae5bf8SEdward Tomasz Napierala log_warnx("target name \"%s\" is invalid", name); 1139009ea47eSEdward Tomasz Napierala return (NULL); 1140009ea47eSEdward Tomasz Napierala } 1141009ea47eSEdward Tomasz Napierala targ = calloc(1, sizeof(*targ)); 1142009ea47eSEdward Tomasz Napierala if (targ == NULL) 1143009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1144f7ae5bf8SEdward Tomasz Napierala targ->t_name = checked_strdup(name); 1145009ea47eSEdward Tomasz Napierala 1146009ea47eSEdward Tomasz Napierala /* 1147009ea47eSEdward Tomasz Napierala * RFC 3722 requires us to normalize the name to lowercase. 1148009ea47eSEdward Tomasz Napierala */ 1149f7ae5bf8SEdward Tomasz Napierala len = strlen(name); 1150009ea47eSEdward Tomasz Napierala for (i = 0; i < len; i++) 1151f7ae5bf8SEdward Tomasz Napierala targ->t_name[i] = tolower(targ->t_name[i]); 1152009ea47eSEdward Tomasz Napierala 1153009ea47eSEdward Tomasz Napierala targ->t_conf = conf; 1154009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_targets, targ, t_next); 1155009ea47eSEdward Tomasz Napierala 1156009ea47eSEdward Tomasz Napierala return (targ); 1157009ea47eSEdward Tomasz Napierala } 1158009ea47eSEdward Tomasz Napierala 1159009ea47eSEdward Tomasz Napierala void 1160009ea47eSEdward Tomasz Napierala target_delete(struct target *targ) 1161009ea47eSEdward Tomasz Napierala { 1162009ea47eSEdward Tomasz Napierala 1163009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&targ->t_conf->conf_targets, targ, t_next); 1164009ea47eSEdward Tomasz Napierala 1165f7ae5bf8SEdward Tomasz Napierala free(targ->t_name); 11666dbdbf82SEdward Tomasz Napierala free(targ->t_redirection); 1167009ea47eSEdward Tomasz Napierala free(targ); 1168009ea47eSEdward Tomasz Napierala } 1169009ea47eSEdward Tomasz Napierala 1170009ea47eSEdward Tomasz Napierala struct target * 1171f7ae5bf8SEdward Tomasz Napierala target_find(struct conf *conf, const char *name) 1172009ea47eSEdward Tomasz Napierala { 1173009ea47eSEdward Tomasz Napierala struct target *targ; 1174009ea47eSEdward Tomasz Napierala 1175009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1176f7ae5bf8SEdward Tomasz Napierala if (strcasecmp(targ->t_name, name) == 0) 1177009ea47eSEdward Tomasz Napierala return (targ); 1178009ea47eSEdward Tomasz Napierala } 1179009ea47eSEdward Tomasz Napierala 1180009ea47eSEdward Tomasz Napierala return (NULL); 1181009ea47eSEdward Tomasz Napierala } 1182009ea47eSEdward Tomasz Napierala 11836dbdbf82SEdward Tomasz Napierala int 11846dbdbf82SEdward Tomasz Napierala target_set_redirection(struct target *target, const char *addr) 11856dbdbf82SEdward Tomasz Napierala { 11866dbdbf82SEdward Tomasz Napierala 11876dbdbf82SEdward Tomasz Napierala if (target->t_redirection != NULL) { 11886dbdbf82SEdward Tomasz Napierala log_warnx("cannot set redirection to \"%s\" for " 11896dbdbf82SEdward Tomasz Napierala "target \"%s\"; already defined", 11906dbdbf82SEdward Tomasz Napierala addr, target->t_name); 11916dbdbf82SEdward Tomasz Napierala return (1); 11926dbdbf82SEdward Tomasz Napierala } 11936dbdbf82SEdward Tomasz Napierala 11946dbdbf82SEdward Tomasz Napierala target->t_redirection = checked_strdup(addr); 11956dbdbf82SEdward Tomasz Napierala 11966dbdbf82SEdward Tomasz Napierala return (0); 11976dbdbf82SEdward Tomasz Napierala } 11986dbdbf82SEdward Tomasz Napierala 1199920c6cbaSAlexander Motin void 1200920c6cbaSAlexander Motin target_set_ctl_port(struct target *target, uint32_t value) 1201920c6cbaSAlexander Motin { 1202920c6cbaSAlexander Motin 1203920c6cbaSAlexander Motin target->t_ctl_port = value; 1204920c6cbaSAlexander Motin } 1205920c6cbaSAlexander Motin 1206009ea47eSEdward Tomasz Napierala struct lun * 1207920c6cbaSAlexander Motin lun_new(struct conf *conf, const char *name) 1208009ea47eSEdward Tomasz Napierala { 1209009ea47eSEdward Tomasz Napierala struct lun *lun; 1210009ea47eSEdward Tomasz Napierala 1211920c6cbaSAlexander Motin lun = lun_find(conf, name); 1212009ea47eSEdward Tomasz Napierala if (lun != NULL) { 1213920c6cbaSAlexander Motin log_warnx("duplicated lun \"%s\"", name); 1214009ea47eSEdward Tomasz Napierala return (NULL); 1215009ea47eSEdward Tomasz Napierala } 1216009ea47eSEdward Tomasz Napierala 1217009ea47eSEdward Tomasz Napierala lun = calloc(1, sizeof(*lun)); 1218009ea47eSEdward Tomasz Napierala if (lun == NULL) 1219009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1220920c6cbaSAlexander Motin lun->l_conf = conf; 1221920c6cbaSAlexander Motin lun->l_name = checked_strdup(name); 1222009ea47eSEdward Tomasz Napierala TAILQ_INIT(&lun->l_options); 1223920c6cbaSAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_luns, lun, l_next); 1224009ea47eSEdward Tomasz Napierala 1225009ea47eSEdward Tomasz Napierala return (lun); 1226009ea47eSEdward Tomasz Napierala } 1227009ea47eSEdward Tomasz Napierala 1228009ea47eSEdward Tomasz Napierala void 1229009ea47eSEdward Tomasz Napierala lun_delete(struct lun *lun) 1230009ea47eSEdward Tomasz Napierala { 1231920c6cbaSAlexander Motin struct target *targ; 1232009ea47eSEdward Tomasz Napierala struct lun_option *lo, *tmp; 1233920c6cbaSAlexander Motin int i; 1234009ea47eSEdward Tomasz Napierala 1235920c6cbaSAlexander Motin TAILQ_FOREACH(targ, &lun->l_conf->conf_targets, t_next) { 1236920c6cbaSAlexander Motin for (i = 0; i < MAX_LUNS; i++) { 1237920c6cbaSAlexander Motin if (targ->t_luns[i] == lun) 1238920c6cbaSAlexander Motin targ->t_luns[i] = NULL; 1239920c6cbaSAlexander Motin } 1240920c6cbaSAlexander Motin } 1241920c6cbaSAlexander Motin TAILQ_REMOVE(&lun->l_conf->conf_luns, lun, l_next); 1242009ea47eSEdward Tomasz Napierala 1243009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lo, &lun->l_options, lo_next, tmp) 1244009ea47eSEdward Tomasz Napierala lun_option_delete(lo); 1245920c6cbaSAlexander Motin free(lun->l_name); 1246009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1247009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1248009ea47eSEdward Tomasz Napierala free(lun->l_path); 1249920c6cbaSAlexander Motin free(lun->l_scsiname); 1250009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1251009ea47eSEdward Tomasz Napierala free(lun); 1252009ea47eSEdward Tomasz Napierala } 1253009ea47eSEdward Tomasz Napierala 1254009ea47eSEdward Tomasz Napierala struct lun * 1255920c6cbaSAlexander Motin lun_find(const struct conf *conf, const char *name) 1256009ea47eSEdward Tomasz Napierala { 1257009ea47eSEdward Tomasz Napierala struct lun *lun; 1258009ea47eSEdward Tomasz Napierala 1259920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1260920c6cbaSAlexander Motin if (strcmp(lun->l_name, name) == 0) 1261009ea47eSEdward Tomasz Napierala return (lun); 1262009ea47eSEdward Tomasz Napierala } 1263009ea47eSEdward Tomasz Napierala 1264009ea47eSEdward Tomasz Napierala return (NULL); 1265009ea47eSEdward Tomasz Napierala } 1266009ea47eSEdward Tomasz Napierala 1267009ea47eSEdward Tomasz Napierala void 1268009ea47eSEdward Tomasz Napierala lun_set_backend(struct lun *lun, const char *value) 1269009ea47eSEdward Tomasz Napierala { 1270009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1271009ea47eSEdward Tomasz Napierala lun->l_backend = checked_strdup(value); 1272009ea47eSEdward Tomasz Napierala } 1273009ea47eSEdward Tomasz Napierala 1274009ea47eSEdward Tomasz Napierala void 1275009ea47eSEdward Tomasz Napierala lun_set_blocksize(struct lun *lun, size_t value) 1276009ea47eSEdward Tomasz Napierala { 1277009ea47eSEdward Tomasz Napierala 1278009ea47eSEdward Tomasz Napierala lun->l_blocksize = value; 1279009ea47eSEdward Tomasz Napierala } 1280009ea47eSEdward Tomasz Napierala 1281009ea47eSEdward Tomasz Napierala void 1282009ea47eSEdward Tomasz Napierala lun_set_device_id(struct lun *lun, const char *value) 1283009ea47eSEdward Tomasz Napierala { 1284009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1285009ea47eSEdward Tomasz Napierala lun->l_device_id = checked_strdup(value); 1286009ea47eSEdward Tomasz Napierala } 1287009ea47eSEdward Tomasz Napierala 1288009ea47eSEdward Tomasz Napierala void 1289009ea47eSEdward Tomasz Napierala lun_set_path(struct lun *lun, const char *value) 1290009ea47eSEdward Tomasz Napierala { 1291009ea47eSEdward Tomasz Napierala free(lun->l_path); 1292009ea47eSEdward Tomasz Napierala lun->l_path = checked_strdup(value); 1293009ea47eSEdward Tomasz Napierala } 1294009ea47eSEdward Tomasz Napierala 1295009ea47eSEdward Tomasz Napierala void 1296920c6cbaSAlexander Motin lun_set_scsiname(struct lun *lun, const char *value) 1297920c6cbaSAlexander Motin { 1298920c6cbaSAlexander Motin free(lun->l_scsiname); 1299920c6cbaSAlexander Motin lun->l_scsiname = checked_strdup(value); 1300920c6cbaSAlexander Motin } 1301920c6cbaSAlexander Motin 1302920c6cbaSAlexander Motin void 1303009ea47eSEdward Tomasz Napierala lun_set_serial(struct lun *lun, const char *value) 1304009ea47eSEdward Tomasz Napierala { 1305009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1306009ea47eSEdward Tomasz Napierala lun->l_serial = checked_strdup(value); 1307009ea47eSEdward Tomasz Napierala } 1308009ea47eSEdward Tomasz Napierala 1309009ea47eSEdward Tomasz Napierala void 1310009ea47eSEdward Tomasz Napierala lun_set_size(struct lun *lun, size_t value) 1311009ea47eSEdward Tomasz Napierala { 1312009ea47eSEdward Tomasz Napierala 1313009ea47eSEdward Tomasz Napierala lun->l_size = value; 1314009ea47eSEdward Tomasz Napierala } 1315009ea47eSEdward Tomasz Napierala 1316009ea47eSEdward Tomasz Napierala void 1317009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(struct lun *lun, uint32_t value) 1318009ea47eSEdward Tomasz Napierala { 1319009ea47eSEdward Tomasz Napierala 1320009ea47eSEdward Tomasz Napierala lun->l_ctl_lun = value; 1321009ea47eSEdward Tomasz Napierala } 1322009ea47eSEdward Tomasz Napierala 1323009ea47eSEdward Tomasz Napierala struct lun_option * 1324009ea47eSEdward Tomasz Napierala lun_option_new(struct lun *lun, const char *name, const char *value) 1325009ea47eSEdward Tomasz Napierala { 1326009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1327009ea47eSEdward Tomasz Napierala 1328009ea47eSEdward Tomasz Napierala lo = lun_option_find(lun, name); 1329009ea47eSEdward Tomasz Napierala if (lo != NULL) { 1330920c6cbaSAlexander Motin log_warnx("duplicated lun option \"%s\" for lun \"%s\"", 1331920c6cbaSAlexander Motin name, lun->l_name); 1332009ea47eSEdward Tomasz Napierala return (NULL); 1333009ea47eSEdward Tomasz Napierala } 1334009ea47eSEdward Tomasz Napierala 1335009ea47eSEdward Tomasz Napierala lo = calloc(1, sizeof(*lo)); 1336009ea47eSEdward Tomasz Napierala if (lo == NULL) 1337009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1338009ea47eSEdward Tomasz Napierala lo->lo_name = checked_strdup(name); 1339009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 1340009ea47eSEdward Tomasz Napierala lo->lo_lun = lun; 1341009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&lun->l_options, lo, lo_next); 1342009ea47eSEdward Tomasz Napierala 1343009ea47eSEdward Tomasz Napierala return (lo); 1344009ea47eSEdward Tomasz Napierala } 1345009ea47eSEdward Tomasz Napierala 1346009ea47eSEdward Tomasz Napierala void 1347009ea47eSEdward Tomasz Napierala lun_option_delete(struct lun_option *lo) 1348009ea47eSEdward Tomasz Napierala { 1349009ea47eSEdward Tomasz Napierala 1350009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lo->lo_lun->l_options, lo, lo_next); 1351009ea47eSEdward Tomasz Napierala 1352009ea47eSEdward Tomasz Napierala free(lo->lo_name); 1353009ea47eSEdward Tomasz Napierala free(lo->lo_value); 1354009ea47eSEdward Tomasz Napierala free(lo); 1355009ea47eSEdward Tomasz Napierala } 1356009ea47eSEdward Tomasz Napierala 1357009ea47eSEdward Tomasz Napierala struct lun_option * 1358d6093026SEdward Tomasz Napierala lun_option_find(const struct lun *lun, const char *name) 1359009ea47eSEdward Tomasz Napierala { 1360009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1361009ea47eSEdward Tomasz Napierala 1362009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 1363009ea47eSEdward Tomasz Napierala if (strcmp(lo->lo_name, name) == 0) 1364009ea47eSEdward Tomasz Napierala return (lo); 1365009ea47eSEdward Tomasz Napierala } 1366009ea47eSEdward Tomasz Napierala 1367009ea47eSEdward Tomasz Napierala return (NULL); 1368009ea47eSEdward Tomasz Napierala } 1369009ea47eSEdward Tomasz Napierala 1370009ea47eSEdward Tomasz Napierala void 1371009ea47eSEdward Tomasz Napierala lun_option_set(struct lun_option *lo, const char *value) 1372009ea47eSEdward Tomasz Napierala { 1373009ea47eSEdward Tomasz Napierala 1374009ea47eSEdward Tomasz Napierala free(lo->lo_value); 1375009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 1376009ea47eSEdward Tomasz Napierala } 1377009ea47eSEdward Tomasz Napierala 1378009ea47eSEdward Tomasz Napierala static struct connection * 1379073edb1cSAlexander Motin connection_new(struct portal *portal, int fd, const char *host, 1380073edb1cSAlexander Motin const struct sockaddr *client_sa) 1381009ea47eSEdward Tomasz Napierala { 1382009ea47eSEdward Tomasz Napierala struct connection *conn; 1383009ea47eSEdward Tomasz Napierala 1384009ea47eSEdward Tomasz Napierala conn = calloc(1, sizeof(*conn)); 1385009ea47eSEdward Tomasz Napierala if (conn == NULL) 1386009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1387009ea47eSEdward Tomasz Napierala conn->conn_portal = portal; 1388009ea47eSEdward Tomasz Napierala conn->conn_socket = fd; 1389009ea47eSEdward Tomasz Napierala conn->conn_initiator_addr = checked_strdup(host); 1390073edb1cSAlexander Motin memcpy(&conn->conn_initiator_sa, client_sa, client_sa->sa_len); 1391009ea47eSEdward Tomasz Napierala 1392009ea47eSEdward Tomasz Napierala /* 1393009ea47eSEdward Tomasz Napierala * Default values, from RFC 3720, section 12. 1394009ea47eSEdward Tomasz Napierala */ 1395009ea47eSEdward Tomasz Napierala conn->conn_max_data_segment_length = 8192; 1396009ea47eSEdward Tomasz Napierala conn->conn_max_burst_length = 262144; 1397009ea47eSEdward Tomasz Napierala conn->conn_immediate_data = true; 1398009ea47eSEdward Tomasz Napierala 1399009ea47eSEdward Tomasz Napierala return (conn); 1400009ea47eSEdward Tomasz Napierala } 1401009ea47eSEdward Tomasz Napierala 1402009ea47eSEdward Tomasz Napierala #if 0 1403009ea47eSEdward Tomasz Napierala static void 1404009ea47eSEdward Tomasz Napierala conf_print(struct conf *conf) 1405009ea47eSEdward Tomasz Napierala { 1406009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1407009ea47eSEdward Tomasz Napierala struct auth *auth; 14088cb2e958SEdward Tomasz Napierala struct auth_name *auth_name; 14098cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal; 1410009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1411009ea47eSEdward Tomasz Napierala struct portal *portal; 1412009ea47eSEdward Tomasz Napierala struct target *targ; 1413009ea47eSEdward Tomasz Napierala struct lun *lun; 1414009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1415009ea47eSEdward Tomasz Napierala 1416009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1417009ea47eSEdward Tomasz Napierala fprintf(stderr, "auth-group %s {\n", ag->ag_name); 1418009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) 1419009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t chap-mutual %s %s %s %s\n", 1420009ea47eSEdward Tomasz Napierala auth->a_user, auth->a_secret, 1421009ea47eSEdward Tomasz Napierala auth->a_mutual_user, auth->a_mutual_secret); 14228cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) 14238cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-name %s\n", 14248cb2e958SEdward Tomasz Napierala auth_name->an_initator_name); 14258cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_portal, &ag->ag_portals, an_next) 14268cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-portal %s\n", 14278cb2e958SEdward Tomasz Napierala auth_portal->an_initator_portal); 1428009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1429009ea47eSEdward Tomasz Napierala } 1430009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1431009ea47eSEdward Tomasz Napierala fprintf(stderr, "portal-group %s {\n", pg->pg_name); 1432009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1433009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t listen %s\n", portal->p_listen); 1434009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1435009ea47eSEdward Tomasz Napierala } 1436920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1437920c6cbaSAlexander Motin fprintf(stderr, "\tlun %s {\n", lun->l_name); 1438009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\tpath %s\n", lun->l_path); 1439009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) 1440009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\toption %s %s\n", 1441009ea47eSEdward Tomasz Napierala lo->lo_name, lo->lo_value); 1442009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t}\n"); 1443009ea47eSEdward Tomasz Napierala } 1444920c6cbaSAlexander Motin TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1445920c6cbaSAlexander Motin fprintf(stderr, "target %s {\n", targ->t_name); 1446920c6cbaSAlexander Motin if (targ->t_alias != NULL) 1447920c6cbaSAlexander Motin fprintf(stderr, "\t alias %s\n", targ->t_alias); 1448009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1449009ea47eSEdward Tomasz Napierala } 1450009ea47eSEdward Tomasz Napierala } 1451009ea47eSEdward Tomasz Napierala #endif 1452009ea47eSEdward Tomasz Napierala 14532fabfaa5SEdward Tomasz Napierala static int 14542fabfaa5SEdward Tomasz Napierala conf_verify_lun(struct lun *lun) 14552fabfaa5SEdward Tomasz Napierala { 14562fabfaa5SEdward Tomasz Napierala const struct lun *lun2; 14572fabfaa5SEdward Tomasz Napierala 14582fabfaa5SEdward Tomasz Napierala if (lun->l_backend == NULL) 14592fabfaa5SEdward Tomasz Napierala lun_set_backend(lun, "block"); 14602fabfaa5SEdward Tomasz Napierala if (strcmp(lun->l_backend, "block") == 0) { 14612fabfaa5SEdward Tomasz Napierala if (lun->l_path == NULL) { 1462920c6cbaSAlexander Motin log_warnx("missing path for lun \"%s\"", 1463920c6cbaSAlexander Motin lun->l_name); 14642fabfaa5SEdward Tomasz Napierala return (1); 14652fabfaa5SEdward Tomasz Napierala } 14662fabfaa5SEdward Tomasz Napierala } else if (strcmp(lun->l_backend, "ramdisk") == 0) { 14672fabfaa5SEdward Tomasz Napierala if (lun->l_size == 0) { 1468920c6cbaSAlexander Motin log_warnx("missing size for ramdisk-backed lun \"%s\"", 1469920c6cbaSAlexander Motin lun->l_name); 14702fabfaa5SEdward Tomasz Napierala return (1); 14712fabfaa5SEdward Tomasz Napierala } 14722fabfaa5SEdward Tomasz Napierala if (lun->l_path != NULL) { 14732fabfaa5SEdward Tomasz Napierala log_warnx("path must not be specified " 1474920c6cbaSAlexander Motin "for ramdisk-backed lun \"%s\"", 1475920c6cbaSAlexander Motin lun->l_name); 14762fabfaa5SEdward Tomasz Napierala return (1); 14772fabfaa5SEdward Tomasz Napierala } 14782fabfaa5SEdward Tomasz Napierala } 14792fabfaa5SEdward Tomasz Napierala if (lun->l_blocksize == 0) { 14802fabfaa5SEdward Tomasz Napierala lun_set_blocksize(lun, DEFAULT_BLOCKSIZE); 14812fabfaa5SEdward Tomasz Napierala } else if (lun->l_blocksize < 0) { 1482920c6cbaSAlexander Motin log_warnx("invalid blocksize for lun \"%s\"; " 1483920c6cbaSAlexander Motin "must be larger than 0", lun->l_name); 14842fabfaa5SEdward Tomasz Napierala return (1); 14852fabfaa5SEdward Tomasz Napierala } 14862fabfaa5SEdward Tomasz Napierala if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) { 1487920c6cbaSAlexander Motin log_warnx("invalid size for lun \"%s\"; " 1488920c6cbaSAlexander Motin "must be multiple of blocksize", lun->l_name); 14892fabfaa5SEdward Tomasz Napierala return (1); 14902fabfaa5SEdward Tomasz Napierala } 1491920c6cbaSAlexander Motin TAILQ_FOREACH(lun2, &lun->l_conf->conf_luns, l_next) { 1492a19eebb1SEdward Tomasz Napierala if (lun == lun2) 1493a19eebb1SEdward Tomasz Napierala continue; 1494a19eebb1SEdward Tomasz Napierala if (lun->l_path != NULL && lun2->l_path != NULL && 1495a19eebb1SEdward Tomasz Napierala strcmp(lun->l_path, lun2->l_path) == 0) { 1496a19eebb1SEdward Tomasz Napierala log_debugx("WARNING: path \"%s\" duplicated " 1497920c6cbaSAlexander Motin "between lun \"%s\", and " 1498920c6cbaSAlexander Motin "lun \"%s\"", lun->l_path, 1499920c6cbaSAlexander Motin lun->l_name, lun2->l_name); 1500a19eebb1SEdward Tomasz Napierala } 1501a19eebb1SEdward Tomasz Napierala } 15022fabfaa5SEdward Tomasz Napierala 15032fabfaa5SEdward Tomasz Napierala return (0); 15042fabfaa5SEdward Tomasz Napierala } 15052fabfaa5SEdward Tomasz Napierala 1506009ea47eSEdward Tomasz Napierala int 1507009ea47eSEdward Tomasz Napierala conf_verify(struct conf *conf) 1508009ea47eSEdward Tomasz Napierala { 1509009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1510009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1511009ea47eSEdward Tomasz Napierala struct target *targ; 15122fabfaa5SEdward Tomasz Napierala struct lun *lun; 15134e5c38f8SEdward Tomasz Napierala bool found; 1514920c6cbaSAlexander Motin int error, i; 1515009ea47eSEdward Tomasz Napierala 1516009ea47eSEdward Tomasz Napierala if (conf->conf_pidfile_path == NULL) 1517009ea47eSEdward Tomasz Napierala conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE); 1518009ea47eSEdward Tomasz Napierala 1519920c6cbaSAlexander Motin TAILQ_FOREACH(lun, &conf->conf_luns, l_next) { 1520920c6cbaSAlexander Motin error = conf_verify_lun(lun); 1521920c6cbaSAlexander Motin if (error != 0) 1522920c6cbaSAlexander Motin return (error); 1523920c6cbaSAlexander Motin } 1524009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1525009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == NULL) { 1526e7977549SEdward Tomasz Napierala targ->t_auth_group = auth_group_find(conf, 1527e7977549SEdward Tomasz Napierala "default"); 1528e7977549SEdward Tomasz Napierala assert(targ->t_auth_group != NULL); 1529009ea47eSEdward Tomasz Napierala } 1530009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == NULL) { 1531009ea47eSEdward Tomasz Napierala targ->t_portal_group = portal_group_find(conf, 1532009ea47eSEdward Tomasz Napierala "default"); 1533009ea47eSEdward Tomasz Napierala assert(targ->t_portal_group != NULL); 1534009ea47eSEdward Tomasz Napierala } 15354e5c38f8SEdward Tomasz Napierala found = false; 1536920c6cbaSAlexander Motin for (i = 0; i < MAX_LUNS; i++) { 1537920c6cbaSAlexander Motin if (targ->t_luns[i] != NULL) 15384e5c38f8SEdward Tomasz Napierala found = true; 1539009ea47eSEdward Tomasz Napierala } 15406dbdbf82SEdward Tomasz Napierala if (!found && targ->t_redirection == NULL) { 154119b59f13SEdward Tomasz Napierala log_warnx("no LUNs defined for target \"%s\"", 154219b59f13SEdward Tomasz Napierala targ->t_name); 1543009ea47eSEdward Tomasz Napierala } 15446dbdbf82SEdward Tomasz Napierala if (found && targ->t_redirection != NULL) { 15456dbdbf82SEdward Tomasz Napierala log_debugx("target \"%s\" contains luns, " 15466dbdbf82SEdward Tomasz Napierala " but configured for redirection", 15476dbdbf82SEdward Tomasz Napierala targ->t_name); 15486dbdbf82SEdward Tomasz Napierala } 1549009ea47eSEdward Tomasz Napierala } 1550009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1551009ea47eSEdward Tomasz Napierala assert(pg->pg_name != NULL); 1552009ea47eSEdward Tomasz Napierala if (pg->pg_discovery_auth_group == NULL) { 1553009ea47eSEdward Tomasz Napierala pg->pg_discovery_auth_group = 1554ccb1f04dSEdward Tomasz Napierala auth_group_find(conf, "default"); 1555009ea47eSEdward Tomasz Napierala assert(pg->pg_discovery_auth_group != NULL); 1556009ea47eSEdward Tomasz Napierala } 1557009ea47eSEdward Tomasz Napierala 155805374883SEdward Tomasz Napierala if (pg->pg_discovery_filter == PG_FILTER_UNKNOWN) 155905374883SEdward Tomasz Napierala pg->pg_discovery_filter = PG_FILTER_NONE; 156005374883SEdward Tomasz Napierala 1561009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1562009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == pg) 1563009ea47eSEdward Tomasz Napierala break; 1564009ea47eSEdward Tomasz Napierala } 15656dbdbf82SEdward Tomasz Napierala if (pg->pg_redirection != NULL) { 15666dbdbf82SEdward Tomasz Napierala if (targ != NULL) { 15676dbdbf82SEdward Tomasz Napierala log_debugx("portal-group \"%s\" assigned " 15686dbdbf82SEdward Tomasz Napierala "to target \"%s\", but configured " 15696dbdbf82SEdward Tomasz Napierala "for redirection", 15706dbdbf82SEdward Tomasz Napierala pg->pg_name, targ->t_name); 15716dbdbf82SEdward Tomasz Napierala } 15726dbdbf82SEdward Tomasz Napierala pg->pg_unassigned = false; 15736dbdbf82SEdward Tomasz Napierala } else if (targ != NULL) { 15746dbdbf82SEdward Tomasz Napierala pg->pg_unassigned = false; 15756dbdbf82SEdward Tomasz Napierala } else { 1576009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, "default") != 0) 1577009ea47eSEdward Tomasz Napierala log_warnx("portal-group \"%s\" not assigned " 1578009ea47eSEdward Tomasz Napierala "to any target", pg->pg_name); 1579009ea47eSEdward Tomasz Napierala pg->pg_unassigned = true; 15806dbdbf82SEdward Tomasz Napierala } 1581009ea47eSEdward Tomasz Napierala } 1582009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1583009ea47eSEdward Tomasz Napierala if (ag->ag_name == NULL) 1584009ea47eSEdward Tomasz Napierala assert(ag->ag_target != NULL); 1585009ea47eSEdward Tomasz Napierala else 1586009ea47eSEdward Tomasz Napierala assert(ag->ag_target == NULL); 1587009ea47eSEdward Tomasz Napierala 15884e5c38f8SEdward Tomasz Napierala found = false; 1589009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 15904e5c38f8SEdward Tomasz Napierala if (targ->t_auth_group == ag) { 15914e5c38f8SEdward Tomasz Napierala found = true; 1592009ea47eSEdward Tomasz Napierala break; 1593009ea47eSEdward Tomasz Napierala } 15944e5c38f8SEdward Tomasz Napierala } 15954e5c38f8SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 15964e5c38f8SEdward Tomasz Napierala if (pg->pg_discovery_auth_group == ag) { 15974e5c38f8SEdward Tomasz Napierala found = true; 15984e5c38f8SEdward Tomasz Napierala break; 15994e5c38f8SEdward Tomasz Napierala } 16004e5c38f8SEdward Tomasz Napierala } 16014e5c38f8SEdward Tomasz Napierala if (!found && ag->ag_name != NULL && 1602ccb1f04dSEdward Tomasz Napierala strcmp(ag->ag_name, "default") != 0 && 1603009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-authentication") != 0 && 1604009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-access") != 0) { 1605009ea47eSEdward Tomasz Napierala log_warnx("auth-group \"%s\" not assigned " 1606009ea47eSEdward Tomasz Napierala "to any target", ag->ag_name); 1607009ea47eSEdward Tomasz Napierala } 1608009ea47eSEdward Tomasz Napierala } 1609009ea47eSEdward Tomasz Napierala 1610009ea47eSEdward Tomasz Napierala return (0); 1611009ea47eSEdward Tomasz Napierala } 1612009ea47eSEdward Tomasz Napierala 1613009ea47eSEdward Tomasz Napierala static int 1614009ea47eSEdward Tomasz Napierala conf_apply(struct conf *oldconf, struct conf *newconf) 1615009ea47eSEdward Tomasz Napierala { 1616009ea47eSEdward Tomasz Napierala struct target *oldtarg, *newtarg, *tmptarg; 1617009ea47eSEdward Tomasz Napierala struct lun *oldlun, *newlun, *tmplun; 1618009ea47eSEdward Tomasz Napierala struct portal_group *oldpg, *newpg; 1619009ea47eSEdward Tomasz Napierala struct portal *oldp, *newp; 1620829603e2SAlexander Motin struct isns *oldns, *newns; 1621009ea47eSEdward Tomasz Napierala pid_t otherpid; 16228b94b583SAlexander Motin int changed, cumulated_error = 0, error, sockbuf; 1623009ea47eSEdward Tomasz Napierala int one = 1; 1624009ea47eSEdward Tomasz Napierala 1625009ea47eSEdward Tomasz Napierala if (oldconf->conf_debug != newconf->conf_debug) { 1626009ea47eSEdward Tomasz Napierala log_debugx("changing debug level to %d", newconf->conf_debug); 1627009ea47eSEdward Tomasz Napierala log_init(newconf->conf_debug); 1628009ea47eSEdward Tomasz Napierala } 1629009ea47eSEdward Tomasz Napierala 1630009ea47eSEdward Tomasz Napierala if (oldconf->conf_pidfh != NULL) { 1631009ea47eSEdward Tomasz Napierala assert(oldconf->conf_pidfile_path != NULL); 1632009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfile_path != NULL && 1633009ea47eSEdward Tomasz Napierala strcmp(oldconf->conf_pidfile_path, 1634009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path) == 0) { 1635009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = oldconf->conf_pidfh; 1636009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1637009ea47eSEdward Tomasz Napierala } else { 1638009ea47eSEdward Tomasz Napierala log_debugx("removing pidfile %s", 1639009ea47eSEdward Tomasz Napierala oldconf->conf_pidfile_path); 1640009ea47eSEdward Tomasz Napierala pidfile_remove(oldconf->conf_pidfh); 1641009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1642009ea47eSEdward Tomasz Napierala } 1643009ea47eSEdward Tomasz Napierala } 1644009ea47eSEdward Tomasz Napierala 1645009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL && newconf->conf_pidfile_path != NULL) { 1646009ea47eSEdward Tomasz Napierala log_debugx("opening pidfile %s", newconf->conf_pidfile_path); 1647009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = 1648009ea47eSEdward Tomasz Napierala pidfile_open(newconf->conf_pidfile_path, 0600, &otherpid); 1649009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL) { 1650009ea47eSEdward Tomasz Napierala if (errno == EEXIST) 1651009ea47eSEdward Tomasz Napierala log_errx(1, "daemon already running, pid: %jd.", 1652009ea47eSEdward Tomasz Napierala (intmax_t)otherpid); 1653009ea47eSEdward Tomasz Napierala log_err(1, "cannot open or create pidfile \"%s\"", 1654009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path); 1655009ea47eSEdward Tomasz Napierala } 1656009ea47eSEdward Tomasz Napierala } 1657009ea47eSEdward Tomasz Napierala 1658*6b31e130SAlexander Motin /* 1659*6b31e130SAlexander Motin * Go through the new portal groups, assigning tags or preserving old. 1660*6b31e130SAlexander Motin */ 1661*6b31e130SAlexander Motin TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1662*6b31e130SAlexander Motin oldpg = portal_group_find(oldconf, newpg->pg_name); 1663*6b31e130SAlexander Motin if (oldpg != NULL) 1664*6b31e130SAlexander Motin newpg->pg_tag = oldpg->pg_tag; 1665*6b31e130SAlexander Motin else 1666*6b31e130SAlexander Motin newpg->pg_tag = ++last_portal_group_tag; 1667*6b31e130SAlexander Motin } 1668*6b31e130SAlexander Motin 1669829603e2SAlexander Motin /* Deregister on removed iSNS servers. */ 1670829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 1671829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 1672829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 1673829603e2SAlexander Motin break; 1674829603e2SAlexander Motin } 1675829603e2SAlexander Motin if (newns == NULL) 1676829603e2SAlexander Motin isns_deregister(oldns); 1677829603e2SAlexander Motin } 1678829603e2SAlexander Motin 1679d5e316e5SEdward Tomasz Napierala /* 1680d5e316e5SEdward Tomasz Napierala * XXX: If target or lun removal fails, we should somehow "move" 1681d5e316e5SEdward Tomasz Napierala * the old lun or target into newconf, so that subsequent 168261a2a354SEdward Tomasz Napierala * conf_apply() would try to remove them again. That would 168361a2a354SEdward Tomasz Napierala * be somewhat hairy, though, and lun deletion failures don't 168461a2a354SEdward Tomasz Napierala * really happen, so leave it as it is for now. 1685d5e316e5SEdward Tomasz Napierala */ 1686009ea47eSEdward Tomasz Napierala /* 1687009ea47eSEdward Tomasz Napierala * First, remove any targets present in the old configuration 1688009ea47eSEdward Tomasz Napierala * and missing in the new one. 1689009ea47eSEdward Tomasz Napierala */ 1690920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(oldtarg, &oldconf->conf_targets, t_next, tmptarg) { 1691f7ae5bf8SEdward Tomasz Napierala newtarg = target_find(newconf, oldtarg->t_name); 1692920c6cbaSAlexander Motin if (newtarg != NULL) 1693920c6cbaSAlexander Motin continue; 16946de78f9fSAlexander Motin error = kernel_port_remove(oldtarg); 16956de78f9fSAlexander Motin if (error != 0) { 16966de78f9fSAlexander Motin log_warnx("failed to remove target %s", 16976de78f9fSAlexander Motin oldtarg->t_name); 16986de78f9fSAlexander Motin /* 16996de78f9fSAlexander Motin * XXX: Uncomment after fixing the root cause. 17006de78f9fSAlexander Motin * 17016de78f9fSAlexander Motin * cumulated_error++; 17026de78f9fSAlexander Motin */ 17036de78f9fSAlexander Motin } 1704009ea47eSEdward Tomasz Napierala } 1705009ea47eSEdward Tomasz Napierala 1706009ea47eSEdward Tomasz Napierala /* 1707920c6cbaSAlexander Motin * Second, remove any LUNs present in the old configuration 1708009ea47eSEdward Tomasz Napierala * and missing in the new one. 1709009ea47eSEdward Tomasz Napierala */ 1710920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(oldlun, &oldconf->conf_luns, l_next, tmplun) { 1711920c6cbaSAlexander Motin newlun = lun_find(newconf, oldlun->l_name); 1712009ea47eSEdward Tomasz Napierala if (newlun == NULL) { 1713920c6cbaSAlexander Motin log_debugx("lun \"%s\", CTL lun %d " 1714cadf3831SEdward Tomasz Napierala "not found in new configuration; " 1715920c6cbaSAlexander Motin "removing", oldlun->l_name, oldlun->l_ctl_lun); 1716009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1717009ea47eSEdward Tomasz Napierala if (error != 0) { 1718920c6cbaSAlexander Motin log_warnx("failed to remove lun \"%s\", " 1719920c6cbaSAlexander Motin "CTL lun %d", 1720920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1721009ea47eSEdward Tomasz Napierala cumulated_error++; 1722009ea47eSEdward Tomasz Napierala } 1723009ea47eSEdward Tomasz Napierala continue; 1724009ea47eSEdward Tomasz Napierala } 1725009ea47eSEdward Tomasz Napierala 1726009ea47eSEdward Tomasz Napierala /* 1727009ea47eSEdward Tomasz Napierala * Also remove the LUNs changed by more than size. 1728009ea47eSEdward Tomasz Napierala */ 1729009ea47eSEdward Tomasz Napierala changed = 0; 1730009ea47eSEdward Tomasz Napierala assert(oldlun->l_backend != NULL); 1731009ea47eSEdward Tomasz Napierala assert(newlun->l_backend != NULL); 1732009ea47eSEdward Tomasz Napierala if (strcmp(newlun->l_backend, oldlun->l_backend) != 0) { 1733920c6cbaSAlexander Motin log_debugx("backend for lun \"%s\", " 1734009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1735920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1736009ea47eSEdward Tomasz Napierala changed = 1; 1737009ea47eSEdward Tomasz Napierala } 1738009ea47eSEdward Tomasz Napierala if (oldlun->l_blocksize != newlun->l_blocksize) { 1739920c6cbaSAlexander Motin log_debugx("blocksize for lun \"%s\", " 1740009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1741920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1742009ea47eSEdward Tomasz Napierala changed = 1; 1743009ea47eSEdward Tomasz Napierala } 1744009ea47eSEdward Tomasz Napierala if (newlun->l_device_id != NULL && 1745009ea47eSEdward Tomasz Napierala (oldlun->l_device_id == NULL || 1746009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_device_id, newlun->l_device_id) != 1747009ea47eSEdward Tomasz Napierala 0)) { 1748920c6cbaSAlexander Motin log_debugx("device-id for lun \"%s\", " 1749009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1750920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1751009ea47eSEdward Tomasz Napierala changed = 1; 1752009ea47eSEdward Tomasz Napierala } 1753009ea47eSEdward Tomasz Napierala if (newlun->l_path != NULL && 1754009ea47eSEdward Tomasz Napierala (oldlun->l_path == NULL || 1755009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_path, newlun->l_path) != 0)) { 1756920c6cbaSAlexander Motin log_debugx("path for lun \"%s\", " 1757009ea47eSEdward Tomasz Napierala "CTL lun %d, changed; removing", 1758920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1759009ea47eSEdward Tomasz Napierala changed = 1; 1760009ea47eSEdward Tomasz Napierala } 1761009ea47eSEdward Tomasz Napierala if (newlun->l_serial != NULL && 1762009ea47eSEdward Tomasz Napierala (oldlun->l_serial == NULL || 1763009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_serial, newlun->l_serial) != 0)) { 1764920c6cbaSAlexander Motin log_debugx("serial for lun \"%s\", " 1765009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1766920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1767009ea47eSEdward Tomasz Napierala changed = 1; 1768009ea47eSEdward Tomasz Napierala } 1769009ea47eSEdward Tomasz Napierala if (changed) { 1770009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1771009ea47eSEdward Tomasz Napierala if (error != 0) { 1772920c6cbaSAlexander Motin log_warnx("failed to remove lun \"%s\", " 1773920c6cbaSAlexander Motin "CTL lun %d", 1774920c6cbaSAlexander Motin oldlun->l_name, oldlun->l_ctl_lun); 1775009ea47eSEdward Tomasz Napierala cumulated_error++; 1776009ea47eSEdward Tomasz Napierala } 1777009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1778009ea47eSEdward Tomasz Napierala continue; 1779009ea47eSEdward Tomasz Napierala } 1780009ea47eSEdward Tomasz Napierala 1781009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(newlun, oldlun->l_ctl_lun); 1782009ea47eSEdward Tomasz Napierala } 1783920c6cbaSAlexander Motin 1784920c6cbaSAlexander Motin TAILQ_FOREACH_SAFE(newlun, &newconf->conf_luns, l_next, tmplun) { 1785920c6cbaSAlexander Motin oldlun = lun_find(oldconf, newlun->l_name); 1786920c6cbaSAlexander Motin if (oldlun != NULL) { 1787920c6cbaSAlexander Motin if (newlun->l_size != oldlun->l_size || 1788920c6cbaSAlexander Motin newlun->l_size == 0) { 1789920c6cbaSAlexander Motin log_debugx("resizing lun \"%s\", CTL lun %d", 1790920c6cbaSAlexander Motin newlun->l_name, newlun->l_ctl_lun); 1791920c6cbaSAlexander Motin error = kernel_lun_resize(newlun); 1792920c6cbaSAlexander Motin if (error != 0) { 1793920c6cbaSAlexander Motin log_warnx("failed to " 1794920c6cbaSAlexander Motin "resize lun \"%s\", CTL lun %d", 1795920c6cbaSAlexander Motin newlun->l_name, 1796920c6cbaSAlexander Motin newlun->l_ctl_lun); 1797920c6cbaSAlexander Motin cumulated_error++; 1798920c6cbaSAlexander Motin } 1799920c6cbaSAlexander Motin } 1800920c6cbaSAlexander Motin continue; 1801920c6cbaSAlexander Motin } 1802920c6cbaSAlexander Motin log_debugx("adding lun \"%s\"", newlun->l_name); 1803920c6cbaSAlexander Motin error = kernel_lun_add(newlun); 1804920c6cbaSAlexander Motin if (error != 0) { 1805920c6cbaSAlexander Motin log_warnx("failed to add lun \"%s\"", newlun->l_name); 1806920c6cbaSAlexander Motin lun_delete(newlun); 1807920c6cbaSAlexander Motin cumulated_error++; 1808920c6cbaSAlexander Motin } 1809009ea47eSEdward Tomasz Napierala } 1810009ea47eSEdward Tomasz Napierala 1811009ea47eSEdward Tomasz Napierala /* 1812009ea47eSEdward Tomasz Napierala * Now add new targets or modify existing ones. 1813009ea47eSEdward Tomasz Napierala */ 1814009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newtarg, &newconf->conf_targets, t_next) { 1815f7ae5bf8SEdward Tomasz Napierala oldtarg = target_find(oldconf, newtarg->t_name); 1816009ea47eSEdward Tomasz Napierala 1817920c6cbaSAlexander Motin if (oldtarg == NULL) 1818e48bb73aSEdward Tomasz Napierala error = kernel_port_add(newtarg); 1819920c6cbaSAlexander Motin else { 1820920c6cbaSAlexander Motin target_set_ctl_port(newtarg, oldtarg->t_ctl_port); 1821920c6cbaSAlexander Motin error = kernel_port_update(newtarg); 1822920c6cbaSAlexander Motin } 1823e48bb73aSEdward Tomasz Napierala if (error != 0) { 1824920c6cbaSAlexander Motin log_warnx("failed to %s target %s", 1825920c6cbaSAlexander Motin (oldtarg == NULL) ? "add" : "update", 18260dd2bee4SEdward Tomasz Napierala newtarg->t_name); 1827e48bb73aSEdward Tomasz Napierala /* 1828e48bb73aSEdward Tomasz Napierala * XXX: Uncomment after fixing the root cause. 1829e48bb73aSEdward Tomasz Napierala * 1830e48bb73aSEdward Tomasz Napierala * cumulated_error++; 1831e48bb73aSEdward Tomasz Napierala */ 1832e48bb73aSEdward Tomasz Napierala } 1833e48bb73aSEdward Tomasz Napierala } 1834009ea47eSEdward Tomasz Napierala 1835009ea47eSEdward Tomasz Napierala /* 1836009ea47eSEdward Tomasz Napierala * Go through the new portals, opening the sockets as neccessary. 1837009ea47eSEdward Tomasz Napierala */ 1838009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1839009ea47eSEdward Tomasz Napierala if (newpg->pg_unassigned) { 1840009ea47eSEdward Tomasz Napierala log_debugx("not listening on portal-group \"%s\", " 1841009ea47eSEdward Tomasz Napierala "not assigned to any target", 1842009ea47eSEdward Tomasz Napierala newpg->pg_name); 1843009ea47eSEdward Tomasz Napierala continue; 1844009ea47eSEdward Tomasz Napierala } 1845009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newp, &newpg->pg_portals, p_next) { 1846009ea47eSEdward Tomasz Napierala /* 1847009ea47eSEdward Tomasz Napierala * Try to find already open portal and reuse 1848009ea47eSEdward Tomasz Napierala * the listening socket. We don't care about 1849009ea47eSEdward Tomasz Napierala * what portal or portal group that was, what 1850009ea47eSEdward Tomasz Napierala * matters is the listening address. 1851009ea47eSEdward Tomasz Napierala */ 1852009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, 1853009ea47eSEdward Tomasz Napierala pg_next) { 1854009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, 1855009ea47eSEdward Tomasz Napierala p_next) { 1856009ea47eSEdward Tomasz Napierala if (strcmp(newp->p_listen, 1857009ea47eSEdward Tomasz Napierala oldp->p_listen) == 0 && 1858009ea47eSEdward Tomasz Napierala oldp->p_socket > 0) { 1859009ea47eSEdward Tomasz Napierala newp->p_socket = 1860009ea47eSEdward Tomasz Napierala oldp->p_socket; 1861009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1862009ea47eSEdward Tomasz Napierala break; 1863009ea47eSEdward Tomasz Napierala } 1864009ea47eSEdward Tomasz Napierala } 1865009ea47eSEdward Tomasz Napierala } 1866009ea47eSEdward Tomasz Napierala if (newp->p_socket > 0) { 1867009ea47eSEdward Tomasz Napierala /* 1868009ea47eSEdward Tomasz Napierala * We're done with this portal. 1869009ea47eSEdward Tomasz Napierala */ 1870009ea47eSEdward Tomasz Napierala continue; 1871009ea47eSEdward Tomasz Napierala } 1872009ea47eSEdward Tomasz Napierala 1873009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1874ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 18758cab2ed4SEdward Tomasz Napierala newpg->pg_conf->conf_portal_id++; 18768cab2ed4SEdward Tomasz Napierala newp->p_id = newpg->pg_conf->conf_portal_id; 18778cab2ed4SEdward Tomasz Napierala log_debugx("listening on %s, portal-group " 18788cab2ed4SEdward Tomasz Napierala "\"%s\", portal id %d, using ICL proxy", 18798cab2ed4SEdward Tomasz Napierala newp->p_listen, newpg->pg_name, newp->p_id); 18808cab2ed4SEdward Tomasz Napierala kernel_listen(newp->p_ai, newp->p_iser, 18818cab2ed4SEdward Tomasz Napierala newp->p_id); 1882ba3a2d31SEdward Tomasz Napierala continue; 1883ba3a2d31SEdward Tomasz Napierala } 1884ba3a2d31SEdward Tomasz Napierala #endif 1885ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 1886009ea47eSEdward Tomasz Napierala assert(newp->p_iser == false); 1887009ea47eSEdward Tomasz Napierala 1888009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\"", 1889009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 1890009ea47eSEdward Tomasz Napierala newp->p_socket = socket(newp->p_ai->ai_family, 1891009ea47eSEdward Tomasz Napierala newp->p_ai->ai_socktype, 1892009ea47eSEdward Tomasz Napierala newp->p_ai->ai_protocol); 1893009ea47eSEdward Tomasz Napierala if (newp->p_socket < 0) { 1894009ea47eSEdward Tomasz Napierala log_warn("socket(2) failed for %s", 1895009ea47eSEdward Tomasz Napierala newp->p_listen); 1896009ea47eSEdward Tomasz Napierala cumulated_error++; 1897009ea47eSEdward Tomasz Napierala continue; 1898009ea47eSEdward Tomasz Napierala } 18998b94b583SAlexander Motin sockbuf = SOCKBUF_SIZE; 19008b94b583SAlexander Motin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_RCVBUF, 19018b94b583SAlexander Motin &sockbuf, sizeof(sockbuf)) == -1) 19028b94b583SAlexander Motin log_warn("setsockopt(SO_RCVBUF) failed " 19038b94b583SAlexander Motin "for %s", newp->p_listen); 19048b94b583SAlexander Motin sockbuf = SOCKBUF_SIZE; 19058b94b583SAlexander Motin if (setsockopt(newp->p_socket, SOL_SOCKET, SO_SNDBUF, 19068b94b583SAlexander Motin &sockbuf, sizeof(sockbuf)) == -1) 19078b94b583SAlexander Motin log_warn("setsockopt(SO_SNDBUF) failed " 19088b94b583SAlexander Motin "for %s", newp->p_listen); 1909009ea47eSEdward Tomasz Napierala error = setsockopt(newp->p_socket, SOL_SOCKET, 1910009ea47eSEdward Tomasz Napierala SO_REUSEADDR, &one, sizeof(one)); 1911009ea47eSEdward Tomasz Napierala if (error != 0) { 1912009ea47eSEdward Tomasz Napierala log_warn("setsockopt(SO_REUSEADDR) failed " 1913009ea47eSEdward Tomasz Napierala "for %s", newp->p_listen); 1914009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1915009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1916009ea47eSEdward Tomasz Napierala cumulated_error++; 1917009ea47eSEdward Tomasz Napierala continue; 1918009ea47eSEdward Tomasz Napierala } 1919009ea47eSEdward Tomasz Napierala error = bind(newp->p_socket, newp->p_ai->ai_addr, 1920009ea47eSEdward Tomasz Napierala newp->p_ai->ai_addrlen); 1921009ea47eSEdward Tomasz Napierala if (error != 0) { 1922009ea47eSEdward Tomasz Napierala log_warn("bind(2) failed for %s", 1923009ea47eSEdward Tomasz Napierala newp->p_listen); 1924009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1925009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1926009ea47eSEdward Tomasz Napierala cumulated_error++; 1927009ea47eSEdward Tomasz Napierala continue; 1928009ea47eSEdward Tomasz Napierala } 1929009ea47eSEdward Tomasz Napierala error = listen(newp->p_socket, -1); 1930009ea47eSEdward Tomasz Napierala if (error != 0) { 1931009ea47eSEdward Tomasz Napierala log_warn("listen(2) failed for %s", 1932009ea47eSEdward Tomasz Napierala newp->p_listen); 1933009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1934009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1935009ea47eSEdward Tomasz Napierala cumulated_error++; 1936009ea47eSEdward Tomasz Napierala continue; 1937009ea47eSEdward Tomasz Napierala } 1938009ea47eSEdward Tomasz Napierala } 1939009ea47eSEdward Tomasz Napierala } 1940009ea47eSEdward Tomasz Napierala 1941009ea47eSEdward Tomasz Napierala /* 1942009ea47eSEdward Tomasz Napierala * Go through the no longer used sockets, closing them. 1943009ea47eSEdward Tomasz Napierala */ 1944009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, pg_next) { 1945009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, p_next) { 1946009ea47eSEdward Tomasz Napierala if (oldp->p_socket <= 0) 1947009ea47eSEdward Tomasz Napierala continue; 1948009ea47eSEdward Tomasz Napierala log_debugx("closing socket for %s, portal-group \"%s\"", 1949009ea47eSEdward Tomasz Napierala oldp->p_listen, oldpg->pg_name); 1950009ea47eSEdward Tomasz Napierala close(oldp->p_socket); 1951009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1952009ea47eSEdward Tomasz Napierala } 1953009ea47eSEdward Tomasz Napierala } 1954009ea47eSEdward Tomasz Napierala 1955829603e2SAlexander Motin /* (Re-)Register on remaining/new iSNS servers. */ 1956829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 1957829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 1958829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 1959829603e2SAlexander Motin break; 1960829603e2SAlexander Motin } 1961829603e2SAlexander Motin isns_register(newns, oldns); 1962829603e2SAlexander Motin } 1963829603e2SAlexander Motin 1964829603e2SAlexander Motin /* Schedule iSNS update */ 1965829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 1966829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 1967829603e2SAlexander Motin 1968009ea47eSEdward Tomasz Napierala return (cumulated_error); 1969009ea47eSEdward Tomasz Napierala } 1970009ea47eSEdward Tomasz Napierala 1971009ea47eSEdward Tomasz Napierala bool 1972009ea47eSEdward Tomasz Napierala timed_out(void) 1973009ea47eSEdward Tomasz Napierala { 1974009ea47eSEdward Tomasz Napierala 1975009ea47eSEdward Tomasz Napierala return (sigalrm_received); 1976009ea47eSEdward Tomasz Napierala } 1977009ea47eSEdward Tomasz Napierala 1978009ea47eSEdward Tomasz Napierala static void 1979829603e2SAlexander Motin sigalrm_handler_fatal(int dummy __unused) 1980009ea47eSEdward Tomasz Napierala { 1981009ea47eSEdward Tomasz Napierala /* 1982009ea47eSEdward Tomasz Napierala * It would be easiest to just log an error and exit. We can't 1983009ea47eSEdward Tomasz Napierala * do this, though, because log_errx() is not signal safe, since 1984009ea47eSEdward Tomasz Napierala * it calls syslog(3). Instead, set a flag checked by pdu_send() 1985009ea47eSEdward Tomasz Napierala * and pdu_receive(), to call log_errx() there. Should they fail 1986009ea47eSEdward Tomasz Napierala * to notice, we'll exit here one second later. 1987009ea47eSEdward Tomasz Napierala */ 1988009ea47eSEdward Tomasz Napierala if (sigalrm_received) { 1989009ea47eSEdward Tomasz Napierala /* 1990009ea47eSEdward Tomasz Napierala * Oh well. Just give up and quit. 1991009ea47eSEdward Tomasz Napierala */ 1992009ea47eSEdward Tomasz Napierala _exit(2); 1993009ea47eSEdward Tomasz Napierala } 1994009ea47eSEdward Tomasz Napierala 1995009ea47eSEdward Tomasz Napierala sigalrm_received = true; 1996009ea47eSEdward Tomasz Napierala } 1997009ea47eSEdward Tomasz Napierala 1998009ea47eSEdward Tomasz Napierala static void 1999829603e2SAlexander Motin sigalrm_handler(int dummy __unused) 2000829603e2SAlexander Motin { 2001829603e2SAlexander Motin 2002829603e2SAlexander Motin sigalrm_received = true; 2003829603e2SAlexander Motin } 2004829603e2SAlexander Motin 2005829603e2SAlexander Motin void 2006829603e2SAlexander Motin set_timeout(int timeout, int fatal) 2007009ea47eSEdward Tomasz Napierala { 2008009ea47eSEdward Tomasz Napierala struct sigaction sa; 2009009ea47eSEdward Tomasz Napierala struct itimerval itv; 2010009ea47eSEdward Tomasz Napierala int error; 2011009ea47eSEdward Tomasz Napierala 2012829603e2SAlexander Motin if (timeout <= 0) { 2013009ea47eSEdward Tomasz Napierala log_debugx("session timeout disabled"); 2014829603e2SAlexander Motin bzero(&itv, sizeof(itv)); 2015829603e2SAlexander Motin error = setitimer(ITIMER_REAL, &itv, NULL); 2016829603e2SAlexander Motin if (error != 0) 2017829603e2SAlexander Motin log_err(1, "setitimer"); 2018829603e2SAlexander Motin sigalrm_received = false; 2019009ea47eSEdward Tomasz Napierala return; 2020009ea47eSEdward Tomasz Napierala } 2021009ea47eSEdward Tomasz Napierala 2022829603e2SAlexander Motin sigalrm_received = false; 2023009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2024829603e2SAlexander Motin if (fatal) 2025829603e2SAlexander Motin sa.sa_handler = sigalrm_handler_fatal; 2026829603e2SAlexander Motin else 2027009ea47eSEdward Tomasz Napierala sa.sa_handler = sigalrm_handler; 2028009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2029009ea47eSEdward Tomasz Napierala error = sigaction(SIGALRM, &sa, NULL); 2030009ea47eSEdward Tomasz Napierala if (error != 0) 2031009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2032009ea47eSEdward Tomasz Napierala 2033009ea47eSEdward Tomasz Napierala /* 2034009ea47eSEdward Tomasz Napierala * First SIGALRM will arive after conf_timeout seconds. 2035009ea47eSEdward Tomasz Napierala * If we do nothing, another one will arrive a second later. 2036009ea47eSEdward Tomasz Napierala */ 2037829603e2SAlexander Motin log_debugx("setting session timeout to %d seconds", timeout); 2038009ea47eSEdward Tomasz Napierala bzero(&itv, sizeof(itv)); 2039009ea47eSEdward Tomasz Napierala itv.it_interval.tv_sec = 1; 2040829603e2SAlexander Motin itv.it_value.tv_sec = timeout; 2041009ea47eSEdward Tomasz Napierala error = setitimer(ITIMER_REAL, &itv, NULL); 2042009ea47eSEdward Tomasz Napierala if (error != 0) 2043009ea47eSEdward Tomasz Napierala log_err(1, "setitimer"); 2044009ea47eSEdward Tomasz Napierala } 2045009ea47eSEdward Tomasz Napierala 2046009ea47eSEdward Tomasz Napierala static int 2047009ea47eSEdward Tomasz Napierala wait_for_children(bool block) 2048009ea47eSEdward Tomasz Napierala { 2049009ea47eSEdward Tomasz Napierala pid_t pid; 2050009ea47eSEdward Tomasz Napierala int status; 2051009ea47eSEdward Tomasz Napierala int num = 0; 2052009ea47eSEdward Tomasz Napierala 2053009ea47eSEdward Tomasz Napierala for (;;) { 2054009ea47eSEdward Tomasz Napierala /* 2055009ea47eSEdward Tomasz Napierala * If "block" is true, wait for at least one process. 2056009ea47eSEdward Tomasz Napierala */ 2057009ea47eSEdward Tomasz Napierala if (block && num == 0) 2058009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, 0, NULL); 2059009ea47eSEdward Tomasz Napierala else 2060009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, WNOHANG, NULL); 2061009ea47eSEdward Tomasz Napierala if (pid <= 0) 2062009ea47eSEdward Tomasz Napierala break; 2063009ea47eSEdward Tomasz Napierala if (WIFSIGNALED(status)) { 2064009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with signal %d", 2065009ea47eSEdward Tomasz Napierala pid, WTERMSIG(status)); 2066009ea47eSEdward Tomasz Napierala } else if (WEXITSTATUS(status) != 0) { 2067009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with exit status %d", 2068009ea47eSEdward Tomasz Napierala pid, WEXITSTATUS(status)); 2069009ea47eSEdward Tomasz Napierala } else { 2070009ea47eSEdward Tomasz Napierala log_debugx("child process %d terminated gracefully", pid); 2071009ea47eSEdward Tomasz Napierala } 2072009ea47eSEdward Tomasz Napierala num++; 2073009ea47eSEdward Tomasz Napierala } 2074009ea47eSEdward Tomasz Napierala 2075009ea47eSEdward Tomasz Napierala return (num); 2076009ea47eSEdward Tomasz Napierala } 2077009ea47eSEdward Tomasz Napierala 2078009ea47eSEdward Tomasz Napierala static void 20798eab95d6SEdward Tomasz Napierala handle_connection(struct portal *portal, int fd, 2080073edb1cSAlexander Motin const struct sockaddr *client_sa, bool dont_fork) 2081009ea47eSEdward Tomasz Napierala { 2082009ea47eSEdward Tomasz Napierala struct connection *conn; 2083009ea47eSEdward Tomasz Napierala int error; 2084009ea47eSEdward Tomasz Napierala pid_t pid; 2085009ea47eSEdward Tomasz Napierala char host[NI_MAXHOST + 1]; 2086009ea47eSEdward Tomasz Napierala struct conf *conf; 2087009ea47eSEdward Tomasz Napierala 2088009ea47eSEdward Tomasz Napierala conf = portal->p_portal_group->pg_conf; 2089009ea47eSEdward Tomasz Napierala 2090009ea47eSEdward Tomasz Napierala if (dont_fork) { 2091009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; not forking due to -d flag"); 2092009ea47eSEdward Tomasz Napierala } else { 2093009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2094009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2095009ea47eSEdward Tomasz Napierala 2096009ea47eSEdward Tomasz Napierala while (conf->conf_maxproc > 0 && nchildren >= conf->conf_maxproc) { 2097009ea47eSEdward Tomasz Napierala log_debugx("maxproc limit of %d child processes hit; " 2098009ea47eSEdward Tomasz Napierala "waiting for child process to exit", conf->conf_maxproc); 2099009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(true); 2100009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2101009ea47eSEdward Tomasz Napierala } 2102009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; forking child process #%d", 2103009ea47eSEdward Tomasz Napierala nchildren); 2104009ea47eSEdward Tomasz Napierala nchildren++; 2105009ea47eSEdward Tomasz Napierala pid = fork(); 2106009ea47eSEdward Tomasz Napierala if (pid < 0) 2107009ea47eSEdward Tomasz Napierala log_err(1, "fork"); 2108009ea47eSEdward Tomasz Napierala if (pid > 0) { 2109009ea47eSEdward Tomasz Napierala close(fd); 2110009ea47eSEdward Tomasz Napierala return; 2111009ea47eSEdward Tomasz Napierala } 2112009ea47eSEdward Tomasz Napierala } 2113009ea47eSEdward Tomasz Napierala pidfile_close(conf->conf_pidfh); 2114009ea47eSEdward Tomasz Napierala 2115073edb1cSAlexander Motin error = getnameinfo(client_sa, client_sa->sa_len, 2116009ea47eSEdward Tomasz Napierala host, sizeof(host), NULL, 0, NI_NUMERICHOST); 2117009ea47eSEdward Tomasz Napierala if (error != 0) 21189a95cfffSEdward Tomasz Napierala log_errx(1, "getnameinfo: %s", gai_strerror(error)); 2119009ea47eSEdward Tomasz Napierala 2120009ea47eSEdward Tomasz Napierala log_debugx("accepted connection from %s; portal group \"%s\"", 2121009ea47eSEdward Tomasz Napierala host, portal->p_portal_group->pg_name); 2122009ea47eSEdward Tomasz Napierala log_set_peer_addr(host); 2123009ea47eSEdward Tomasz Napierala setproctitle("%s", host); 2124009ea47eSEdward Tomasz Napierala 2125073edb1cSAlexander Motin conn = connection_new(portal, fd, host, client_sa); 2126829603e2SAlexander Motin set_timeout(conf->conf_timeout, true); 2127009ea47eSEdward Tomasz Napierala kernel_capsicate(); 2128009ea47eSEdward Tomasz Napierala login(conn); 2129009ea47eSEdward Tomasz Napierala if (conn->conn_session_type == CONN_SESSION_TYPE_NORMAL) { 2130009ea47eSEdward Tomasz Napierala kernel_handoff(conn); 2131009ea47eSEdward Tomasz Napierala log_debugx("connection handed off to the kernel"); 2132009ea47eSEdward Tomasz Napierala } else { 2133009ea47eSEdward Tomasz Napierala assert(conn->conn_session_type == CONN_SESSION_TYPE_DISCOVERY); 2134009ea47eSEdward Tomasz Napierala discovery(conn); 2135009ea47eSEdward Tomasz Napierala } 2136009ea47eSEdward Tomasz Napierala log_debugx("nothing more to do; exiting"); 2137009ea47eSEdward Tomasz Napierala exit(0); 2138009ea47eSEdward Tomasz Napierala } 2139009ea47eSEdward Tomasz Napierala 2140009ea47eSEdward Tomasz Napierala static int 2141009ea47eSEdward Tomasz Napierala fd_add(int fd, fd_set *fdset, int nfds) 2142009ea47eSEdward Tomasz Napierala { 2143009ea47eSEdward Tomasz Napierala 2144009ea47eSEdward Tomasz Napierala /* 2145009ea47eSEdward Tomasz Napierala * Skip sockets which we failed to bind. 2146009ea47eSEdward Tomasz Napierala */ 2147009ea47eSEdward Tomasz Napierala if (fd <= 0) 2148009ea47eSEdward Tomasz Napierala return (nfds); 2149009ea47eSEdward Tomasz Napierala 2150009ea47eSEdward Tomasz Napierala FD_SET(fd, fdset); 2151009ea47eSEdward Tomasz Napierala if (fd > nfds) 2152009ea47eSEdward Tomasz Napierala nfds = fd; 2153009ea47eSEdward Tomasz Napierala return (nfds); 2154009ea47eSEdward Tomasz Napierala } 2155009ea47eSEdward Tomasz Napierala 2156009ea47eSEdward Tomasz Napierala static void 2157009ea47eSEdward Tomasz Napierala main_loop(struct conf *conf, bool dont_fork) 2158009ea47eSEdward Tomasz Napierala { 2159009ea47eSEdward Tomasz Napierala struct portal_group *pg; 2160009ea47eSEdward Tomasz Napierala struct portal *portal; 21619a95cfffSEdward Tomasz Napierala struct sockaddr_storage client_sa; 21629a95cfffSEdward Tomasz Napierala socklen_t client_salen; 2163009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2164009ea47eSEdward Tomasz Napierala int connection_id; 21658cab2ed4SEdward Tomasz Napierala int portal_id; 2166ba3a2d31SEdward Tomasz Napierala #endif 2167009ea47eSEdward Tomasz Napierala fd_set fdset; 2168009ea47eSEdward Tomasz Napierala int error, nfds, client_fd; 2169009ea47eSEdward Tomasz Napierala 2170009ea47eSEdward Tomasz Napierala pidfile_write(conf->conf_pidfh); 2171009ea47eSEdward Tomasz Napierala 2172009ea47eSEdward Tomasz Napierala for (;;) { 2173829603e2SAlexander Motin if (sighup_received || sigterm_received || timed_out()) 2174009ea47eSEdward Tomasz Napierala return; 2175009ea47eSEdward Tomasz Napierala 2176009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2177ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 21788eab95d6SEdward Tomasz Napierala client_salen = sizeof(client_sa); 21798eab95d6SEdward Tomasz Napierala kernel_accept(&connection_id, &portal_id, 21808eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, &client_salen); 21810488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 2182009ea47eSEdward Tomasz Napierala 21838cab2ed4SEdward Tomasz Napierala log_debugx("incoming connection, id %d, portal id %d", 21848cab2ed4SEdward Tomasz Napierala connection_id, portal_id); 21858cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 21868cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 21878cab2ed4SEdward Tomasz Napierala if (portal->p_id == portal_id) { 21888cab2ed4SEdward Tomasz Napierala goto found; 21898cab2ed4SEdward Tomasz Napierala } 21908cab2ed4SEdward Tomasz Napierala } 21918cab2ed4SEdward Tomasz Napierala } 2192009ea47eSEdward Tomasz Napierala 21938cab2ed4SEdward Tomasz Napierala log_errx(1, "kernel returned invalid portal_id %d", 21948cab2ed4SEdward Tomasz Napierala portal_id); 21958cab2ed4SEdward Tomasz Napierala 21968cab2ed4SEdward Tomasz Napierala found: 21978eab95d6SEdward Tomasz Napierala handle_connection(portal, connection_id, 2198073edb1cSAlexander Motin (struct sockaddr *)&client_sa, dont_fork); 2199ba3a2d31SEdward Tomasz Napierala } else { 2200ba3a2d31SEdward Tomasz Napierala #endif 2201ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 2202ba3a2d31SEdward Tomasz Napierala 2203009ea47eSEdward Tomasz Napierala FD_ZERO(&fdset); 2204009ea47eSEdward Tomasz Napierala nfds = 0; 2205009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2206009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 2207009ea47eSEdward Tomasz Napierala nfds = fd_add(portal->p_socket, &fdset, nfds); 2208009ea47eSEdward Tomasz Napierala } 2209009ea47eSEdward Tomasz Napierala error = select(nfds + 1, &fdset, NULL, NULL, NULL); 2210009ea47eSEdward Tomasz Napierala if (error <= 0) { 2211009ea47eSEdward Tomasz Napierala if (errno == EINTR) 2212009ea47eSEdward Tomasz Napierala return; 2213009ea47eSEdward Tomasz Napierala log_err(1, "select"); 2214009ea47eSEdward Tomasz Napierala } 2215009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2216009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 2217009ea47eSEdward Tomasz Napierala if (!FD_ISSET(portal->p_socket, &fdset)) 2218009ea47eSEdward Tomasz Napierala continue; 22199a95cfffSEdward Tomasz Napierala client_salen = sizeof(client_sa); 22209a95cfffSEdward Tomasz Napierala client_fd = accept(portal->p_socket, 22219a95cfffSEdward Tomasz Napierala (struct sockaddr *)&client_sa, 22229a95cfffSEdward Tomasz Napierala &client_salen); 2223009ea47eSEdward Tomasz Napierala if (client_fd < 0) 2224009ea47eSEdward Tomasz Napierala log_err(1, "accept"); 22250488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 22260488e848SEdward Tomasz Napierala 22279a95cfffSEdward Tomasz Napierala handle_connection(portal, client_fd, 22288eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, 2229073edb1cSAlexander Motin dont_fork); 2230009ea47eSEdward Tomasz Napierala break; 2231009ea47eSEdward Tomasz Napierala } 2232009ea47eSEdward Tomasz Napierala } 2233ba3a2d31SEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2234ba3a2d31SEdward Tomasz Napierala } 2235ba3a2d31SEdward Tomasz Napierala #endif 2236009ea47eSEdward Tomasz Napierala } 2237009ea47eSEdward Tomasz Napierala } 2238009ea47eSEdward Tomasz Napierala 2239009ea47eSEdward Tomasz Napierala static void 2240009ea47eSEdward Tomasz Napierala sighup_handler(int dummy __unused) 2241009ea47eSEdward Tomasz Napierala { 2242009ea47eSEdward Tomasz Napierala 2243009ea47eSEdward Tomasz Napierala sighup_received = true; 2244009ea47eSEdward Tomasz Napierala } 2245009ea47eSEdward Tomasz Napierala 2246009ea47eSEdward Tomasz Napierala static void 2247009ea47eSEdward Tomasz Napierala sigterm_handler(int dummy __unused) 2248009ea47eSEdward Tomasz Napierala { 2249009ea47eSEdward Tomasz Napierala 2250009ea47eSEdward Tomasz Napierala sigterm_received = true; 2251009ea47eSEdward Tomasz Napierala } 2252009ea47eSEdward Tomasz Napierala 2253009ea47eSEdward Tomasz Napierala static void 225470b939ecSEdward Tomasz Napierala sigchld_handler(int dummy __unused) 225570b939ecSEdward Tomasz Napierala { 225670b939ecSEdward Tomasz Napierala 225770b939ecSEdward Tomasz Napierala /* 225870b939ecSEdward Tomasz Napierala * The only purpose of this handler is to make SIGCHLD 225970b939ecSEdward Tomasz Napierala * interrupt the ISCSIDWAIT ioctl(2), so we can call 226070b939ecSEdward Tomasz Napierala * wait_for_children(). 226170b939ecSEdward Tomasz Napierala */ 226270b939ecSEdward Tomasz Napierala } 226370b939ecSEdward Tomasz Napierala 226470b939ecSEdward Tomasz Napierala static void 2265009ea47eSEdward Tomasz Napierala register_signals(void) 2266009ea47eSEdward Tomasz Napierala { 2267009ea47eSEdward Tomasz Napierala struct sigaction sa; 2268009ea47eSEdward Tomasz Napierala int error; 2269009ea47eSEdward Tomasz Napierala 2270009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2271009ea47eSEdward Tomasz Napierala sa.sa_handler = sighup_handler; 2272009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2273009ea47eSEdward Tomasz Napierala error = sigaction(SIGHUP, &sa, NULL); 2274009ea47eSEdward Tomasz Napierala if (error != 0) 2275009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2276009ea47eSEdward Tomasz Napierala 2277009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2278009ea47eSEdward Tomasz Napierala error = sigaction(SIGTERM, &sa, NULL); 2279009ea47eSEdward Tomasz Napierala if (error != 0) 2280009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2281009ea47eSEdward Tomasz Napierala 2282009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2283009ea47eSEdward Tomasz Napierala error = sigaction(SIGINT, &sa, NULL); 2284009ea47eSEdward Tomasz Napierala if (error != 0) 2285009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 228670b939ecSEdward Tomasz Napierala 228770b939ecSEdward Tomasz Napierala sa.sa_handler = sigchld_handler; 228870b939ecSEdward Tomasz Napierala error = sigaction(SIGCHLD, &sa, NULL); 228970b939ecSEdward Tomasz Napierala if (error != 0) 229070b939ecSEdward Tomasz Napierala log_err(1, "sigaction"); 2291009ea47eSEdward Tomasz Napierala } 2292009ea47eSEdward Tomasz Napierala 2293009ea47eSEdward Tomasz Napierala int 2294009ea47eSEdward Tomasz Napierala main(int argc, char **argv) 2295009ea47eSEdward Tomasz Napierala { 2296009ea47eSEdward Tomasz Napierala struct conf *oldconf, *newconf, *tmpconf; 2297829603e2SAlexander Motin struct isns *newns; 2298009ea47eSEdward Tomasz Napierala const char *config_path = DEFAULT_CONFIG_PATH; 2299009ea47eSEdward Tomasz Napierala int debug = 0, ch, error; 2300009ea47eSEdward Tomasz Napierala bool dont_daemonize = false; 2301009ea47eSEdward Tomasz Napierala 2302ba3a2d31SEdward Tomasz Napierala while ((ch = getopt(argc, argv, "df:R")) != -1) { 2303009ea47eSEdward Tomasz Napierala switch (ch) { 2304009ea47eSEdward Tomasz Napierala case 'd': 2305009ea47eSEdward Tomasz Napierala dont_daemonize = true; 2306009ea47eSEdward Tomasz Napierala debug++; 2307009ea47eSEdward Tomasz Napierala break; 2308009ea47eSEdward Tomasz Napierala case 'f': 2309009ea47eSEdward Tomasz Napierala config_path = optarg; 2310009ea47eSEdward Tomasz Napierala break; 2311ba3a2d31SEdward Tomasz Napierala case 'R': 2312ba3a2d31SEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 2313ba3a2d31SEdward Tomasz Napierala log_errx(1, "ctld(8) compiled without ICL_KERNEL_PROXY " 2314ba3a2d31SEdward Tomasz Napierala "does not support iSER protocol"); 2315ba3a2d31SEdward Tomasz Napierala #endif 2316ba3a2d31SEdward Tomasz Napierala proxy_mode = true; 2317ba3a2d31SEdward Tomasz Napierala break; 2318009ea47eSEdward Tomasz Napierala case '?': 2319009ea47eSEdward Tomasz Napierala default: 2320009ea47eSEdward Tomasz Napierala usage(); 2321009ea47eSEdward Tomasz Napierala } 2322009ea47eSEdward Tomasz Napierala } 2323009ea47eSEdward Tomasz Napierala argc -= optind; 2324009ea47eSEdward Tomasz Napierala if (argc != 0) 2325009ea47eSEdward Tomasz Napierala usage(); 2326009ea47eSEdward Tomasz Napierala 2327009ea47eSEdward Tomasz Napierala log_init(debug); 2328009ea47eSEdward Tomasz Napierala kernel_init(); 2329009ea47eSEdward Tomasz Napierala 2330009ea47eSEdward Tomasz Napierala oldconf = conf_new_from_kernel(); 2331009ea47eSEdward Tomasz Napierala newconf = conf_new_from_file(config_path); 2332009ea47eSEdward Tomasz Napierala if (newconf == NULL) 2333fe845cdbSEdward Tomasz Napierala log_errx(1, "configuration error; exiting"); 2334009ea47eSEdward Tomasz Napierala if (debug > 0) { 2335009ea47eSEdward Tomasz Napierala oldconf->conf_debug = debug; 2336009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2337009ea47eSEdward Tomasz Napierala } 2338009ea47eSEdward Tomasz Napierala 2339009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2340009ea47eSEdward Tomasz Napierala if (error != 0) 2341fe845cdbSEdward Tomasz Napierala log_errx(1, "failed to apply configuration; exiting"); 2342fe845cdbSEdward Tomasz Napierala 2343009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2344009ea47eSEdward Tomasz Napierala oldconf = NULL; 2345009ea47eSEdward Tomasz Napierala 2346009ea47eSEdward Tomasz Napierala register_signals(); 2347009ea47eSEdward Tomasz Napierala 23485d5a95f1SEdward Tomasz Napierala if (dont_daemonize == false) { 23495d5a95f1SEdward Tomasz Napierala log_debugx("daemonizing"); 23505d5a95f1SEdward Tomasz Napierala if (daemon(0, 0) == -1) { 23515d5a95f1SEdward Tomasz Napierala log_warn("cannot daemonize"); 23525d5a95f1SEdward Tomasz Napierala pidfile_remove(newconf->conf_pidfh); 23535d5a95f1SEdward Tomasz Napierala exit(1); 23545d5a95f1SEdward Tomasz Napierala } 23555d5a95f1SEdward Tomasz Napierala } 23565d5a95f1SEdward Tomasz Napierala 2357829603e2SAlexander Motin /* Schedule iSNS update */ 2358829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 2359829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 2360829603e2SAlexander Motin 2361009ea47eSEdward Tomasz Napierala for (;;) { 2362009ea47eSEdward Tomasz Napierala main_loop(newconf, dont_daemonize); 2363009ea47eSEdward Tomasz Napierala if (sighup_received) { 2364009ea47eSEdward Tomasz Napierala sighup_received = false; 2365009ea47eSEdward Tomasz Napierala log_debugx("received SIGHUP, reloading configuration"); 2366009ea47eSEdward Tomasz Napierala tmpconf = conf_new_from_file(config_path); 2367009ea47eSEdward Tomasz Napierala if (tmpconf == NULL) { 2368009ea47eSEdward Tomasz Napierala log_warnx("configuration error, " 2369009ea47eSEdward Tomasz Napierala "continuing with old configuration"); 2370009ea47eSEdward Tomasz Napierala } else { 2371009ea47eSEdward Tomasz Napierala if (debug > 0) 2372009ea47eSEdward Tomasz Napierala tmpconf->conf_debug = debug; 2373009ea47eSEdward Tomasz Napierala oldconf = newconf; 2374009ea47eSEdward Tomasz Napierala newconf = tmpconf; 2375009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2376009ea47eSEdward Tomasz Napierala if (error != 0) 2377009ea47eSEdward Tomasz Napierala log_warnx("failed to reload " 2378009ea47eSEdward Tomasz Napierala "configuration"); 2379009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2380009ea47eSEdward Tomasz Napierala oldconf = NULL; 2381009ea47eSEdward Tomasz Napierala } 2382009ea47eSEdward Tomasz Napierala } else if (sigterm_received) { 2383009ea47eSEdward Tomasz Napierala log_debugx("exiting on signal; " 2384009ea47eSEdward Tomasz Napierala "reloading empty configuration"); 2385009ea47eSEdward Tomasz Napierala 2386*6b31e130SAlexander Motin log_debugx("removing CTL iSCSI ports " 2387009ea47eSEdward Tomasz Napierala "and terminating all connections"); 2388009ea47eSEdward Tomasz Napierala 2389009ea47eSEdward Tomasz Napierala oldconf = newconf; 2390009ea47eSEdward Tomasz Napierala newconf = conf_new(); 2391009ea47eSEdward Tomasz Napierala if (debug > 0) 2392009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2393009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2394009ea47eSEdward Tomasz Napierala if (error != 0) 2395009ea47eSEdward Tomasz Napierala log_warnx("failed to apply configuration"); 2396829603e2SAlexander Motin conf_delete(oldconf); 2397829603e2SAlexander Motin oldconf = NULL; 2398009ea47eSEdward Tomasz Napierala 2399009ea47eSEdward Tomasz Napierala log_warnx("exiting on signal"); 2400009ea47eSEdward Tomasz Napierala exit(0); 2401009ea47eSEdward Tomasz Napierala } else { 2402009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2403009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2404829603e2SAlexander Motin if (timed_out()) { 2405829603e2SAlexander Motin set_timeout(0, false); 2406829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) 2407829603e2SAlexander Motin isns_check(newns); 2408829603e2SAlexander Motin /* Schedule iSNS update */ 2409829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) { 2410829603e2SAlexander Motin set_timeout((newconf->conf_isns_period 2411829603e2SAlexander Motin + 2) / 3, 2412829603e2SAlexander Motin false); 2413829603e2SAlexander Motin } 2414829603e2SAlexander Motin } 2415009ea47eSEdward Tomasz Napierala } 2416009ea47eSEdward Tomasz Napierala } 2417009ea47eSEdward Tomasz Napierala /* NOTREACHED */ 2418009ea47eSEdward Tomasz Napierala } 2419