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" 53*829603e2SAlexander 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; 62009ea47eSEdward Tomasz Napierala 63009ea47eSEdward Tomasz Napierala static void 64009ea47eSEdward Tomasz Napierala usage(void) 65009ea47eSEdward Tomasz Napierala { 66009ea47eSEdward Tomasz Napierala 67009ea47eSEdward Tomasz Napierala fprintf(stderr, "usage: ctld [-d][-f config-file]\n"); 68009ea47eSEdward Tomasz Napierala exit(1); 69009ea47eSEdward Tomasz Napierala } 70009ea47eSEdward Tomasz Napierala 71009ea47eSEdward Tomasz Napierala char * 72009ea47eSEdward Tomasz Napierala checked_strdup(const char *s) 73009ea47eSEdward Tomasz Napierala { 74009ea47eSEdward Tomasz Napierala char *c; 75009ea47eSEdward Tomasz Napierala 76009ea47eSEdward Tomasz Napierala c = strdup(s); 77009ea47eSEdward Tomasz Napierala if (c == NULL) 78009ea47eSEdward Tomasz Napierala log_err(1, "strdup"); 79009ea47eSEdward Tomasz Napierala return (c); 80009ea47eSEdward Tomasz Napierala } 81009ea47eSEdward Tomasz Napierala 82009ea47eSEdward Tomasz Napierala struct conf * 83009ea47eSEdward Tomasz Napierala conf_new(void) 84009ea47eSEdward Tomasz Napierala { 85009ea47eSEdward Tomasz Napierala struct conf *conf; 86009ea47eSEdward Tomasz Napierala 87009ea47eSEdward Tomasz Napierala conf = calloc(1, sizeof(*conf)); 88009ea47eSEdward Tomasz Napierala if (conf == NULL) 89009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 90009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_targets); 91009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_auth_groups); 92009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_portal_groups); 93*829603e2SAlexander Motin TAILQ_INIT(&conf->conf_isns); 94009ea47eSEdward Tomasz Napierala 95*829603e2SAlexander Motin conf->conf_isns_period = 900; 96*829603e2SAlexander Motin conf->conf_isns_timeout = 5; 97009ea47eSEdward Tomasz Napierala conf->conf_debug = 0; 98009ea47eSEdward Tomasz Napierala conf->conf_timeout = 60; 99009ea47eSEdward Tomasz Napierala conf->conf_maxproc = 30; 100009ea47eSEdward Tomasz Napierala 101009ea47eSEdward Tomasz Napierala return (conf); 102009ea47eSEdward Tomasz Napierala } 103009ea47eSEdward Tomasz Napierala 104009ea47eSEdward Tomasz Napierala void 105009ea47eSEdward Tomasz Napierala conf_delete(struct conf *conf) 106009ea47eSEdward Tomasz Napierala { 107009ea47eSEdward Tomasz Napierala struct target *targ, *tmp; 108009ea47eSEdward Tomasz Napierala struct auth_group *ag, *cagtmp; 109009ea47eSEdward Tomasz Napierala struct portal_group *pg, *cpgtmp; 110*829603e2SAlexander Motin struct isns *is, *istmp; 111009ea47eSEdward Tomasz Napierala 112009ea47eSEdward Tomasz Napierala assert(conf->conf_pidfh == NULL); 113009ea47eSEdward Tomasz Napierala 114009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(targ, &conf->conf_targets, t_next, tmp) 115009ea47eSEdward Tomasz Napierala target_delete(targ); 116009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(ag, &conf->conf_auth_groups, ag_next, cagtmp) 117009ea47eSEdward Tomasz Napierala auth_group_delete(ag); 118009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(pg, &conf->conf_portal_groups, pg_next, cpgtmp) 119009ea47eSEdward Tomasz Napierala portal_group_delete(pg); 120*829603e2SAlexander Motin TAILQ_FOREACH_SAFE(is, &conf->conf_isns, i_next, istmp) 121*829603e2SAlexander Motin isns_delete(is); 122009ea47eSEdward Tomasz Napierala free(conf->conf_pidfile_path); 123009ea47eSEdward Tomasz Napierala free(conf); 124009ea47eSEdward Tomasz Napierala } 125009ea47eSEdward Tomasz Napierala 126009ea47eSEdward Tomasz Napierala static struct auth * 127009ea47eSEdward Tomasz Napierala auth_new(struct auth_group *ag) 128009ea47eSEdward Tomasz Napierala { 129009ea47eSEdward Tomasz Napierala struct auth *auth; 130009ea47eSEdward Tomasz Napierala 131009ea47eSEdward Tomasz Napierala auth = calloc(1, sizeof(*auth)); 132009ea47eSEdward Tomasz Napierala if (auth == NULL) 133009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 134009ea47eSEdward Tomasz Napierala auth->a_auth_group = ag; 135009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_auths, auth, a_next); 136009ea47eSEdward Tomasz Napierala return (auth); 137009ea47eSEdward Tomasz Napierala } 138009ea47eSEdward Tomasz Napierala 139009ea47eSEdward Tomasz Napierala static void 140009ea47eSEdward Tomasz Napierala auth_delete(struct auth *auth) 141009ea47eSEdward Tomasz Napierala { 142009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&auth->a_auth_group->ag_auths, auth, a_next); 143009ea47eSEdward Tomasz Napierala 144009ea47eSEdward Tomasz Napierala free(auth->a_user); 145009ea47eSEdward Tomasz Napierala free(auth->a_secret); 146009ea47eSEdward Tomasz Napierala free(auth->a_mutual_user); 147009ea47eSEdward Tomasz Napierala free(auth->a_mutual_secret); 148009ea47eSEdward Tomasz Napierala free(auth); 149009ea47eSEdward Tomasz Napierala } 150009ea47eSEdward Tomasz Napierala 151009ea47eSEdward Tomasz Napierala const struct auth * 152d6093026SEdward Tomasz Napierala auth_find(const struct auth_group *ag, const char *user) 153009ea47eSEdward Tomasz Napierala { 154009ea47eSEdward Tomasz Napierala const struct auth *auth; 155009ea47eSEdward Tomasz Napierala 156009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) { 157009ea47eSEdward Tomasz Napierala if (strcmp(auth->a_user, user) == 0) 158009ea47eSEdward Tomasz Napierala return (auth); 159009ea47eSEdward Tomasz Napierala } 160009ea47eSEdward Tomasz Napierala 161009ea47eSEdward Tomasz Napierala return (NULL); 162009ea47eSEdward Tomasz Napierala } 163009ea47eSEdward Tomasz Napierala 1641658628dSEdward Tomasz Napierala static void 1651658628dSEdward Tomasz Napierala auth_check_secret_length(struct auth *auth) 1661658628dSEdward Tomasz Napierala { 1671658628dSEdward Tomasz Napierala size_t len; 1681658628dSEdward Tomasz Napierala 1691658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1701658628dSEdward Tomasz Napierala if (len > 16) { 1711658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1721658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1731658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1741658628dSEdward Tomasz Napierala "long", auth->a_user, auth->a_auth_group->ag_name); 1751658628dSEdward Tomasz Napierala else 1761658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1771658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1781658628dSEdward Tomasz Napierala "long", auth->a_user, 179f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1801658628dSEdward Tomasz Napierala } 1811658628dSEdward Tomasz Napierala if (len < 12) { 1821658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1831658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1841658628dSEdward Tomasz Napierala "is too short; it should be at least 12 characters " 1851658628dSEdward Tomasz Napierala "long", auth->a_user, 1861658628dSEdward Tomasz Napierala auth->a_auth_group->ag_name); 1871658628dSEdward Tomasz Napierala else 1881658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1891658628dSEdward Tomasz Napierala "is too short; it should be at least 16 characters " 1901658628dSEdward Tomasz Napierala "long", auth->a_user, 191f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1921658628dSEdward Tomasz Napierala } 1931658628dSEdward Tomasz Napierala 1941658628dSEdward Tomasz Napierala if (auth->a_mutual_secret != NULL) { 1951658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1961658628dSEdward Tomasz Napierala if (len > 16) { 1971658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1981658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 1991658628dSEdward Tomasz Napierala "auth-group \"%s\", is too long; it should " 2001658628dSEdward Tomasz Napierala "be at most 16 characters long", 2011658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2021658628dSEdward Tomasz Napierala else 2031658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2041658628dSEdward Tomasz Napierala "target \"%s\", is too long; it should " 2051658628dSEdward Tomasz Napierala "be at most 16 characters long", 2061658628dSEdward Tomasz Napierala auth->a_user, 207f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2081658628dSEdward Tomasz Napierala } 2091658628dSEdward Tomasz Napierala if (len < 12) { 2101658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2111658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2121658628dSEdward Tomasz Napierala "auth-group \"%s\", is too short; it " 2131658628dSEdward Tomasz Napierala "should be at least 12 characters long", 2141658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2151658628dSEdward Tomasz Napierala else 2161658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2171658628dSEdward Tomasz Napierala "target \"%s\", is too short; it should be " 2181658628dSEdward Tomasz Napierala "at least 16 characters long", 2191658628dSEdward Tomasz Napierala auth->a_user, 220f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2211658628dSEdward Tomasz Napierala } 2221658628dSEdward Tomasz Napierala } 2231658628dSEdward Tomasz Napierala } 2241658628dSEdward Tomasz Napierala 2251658628dSEdward Tomasz Napierala const struct auth * 2261658628dSEdward Tomasz Napierala auth_new_chap(struct auth_group *ag, const char *user, 2271658628dSEdward Tomasz Napierala const char *secret) 2281658628dSEdward Tomasz Napierala { 2291658628dSEdward Tomasz Napierala struct auth *auth; 2301658628dSEdward Tomasz Napierala 2311658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2321658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP; 2331658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP) { 2341658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2351658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2361658628dSEdward Tomasz Napierala "other types for auth-group \"%s\"", ag->ag_name); 2371658628dSEdward Tomasz Napierala else 2381658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2391658628dSEdward Tomasz Napierala "other types for target \"%s\"", 240f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2411658628dSEdward Tomasz Napierala return (NULL); 2421658628dSEdward Tomasz Napierala } 2431658628dSEdward Tomasz Napierala 2441658628dSEdward Tomasz Napierala auth = auth_new(ag); 2451658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2461658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2471658628dSEdward Tomasz Napierala 2481658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2491658628dSEdward Tomasz Napierala 2501658628dSEdward Tomasz Napierala return (auth); 2511658628dSEdward Tomasz Napierala } 2521658628dSEdward Tomasz Napierala 2531658628dSEdward Tomasz Napierala const struct auth * 2541658628dSEdward Tomasz Napierala auth_new_chap_mutual(struct auth_group *ag, const char *user, 2551658628dSEdward Tomasz Napierala const char *secret, const char *user2, const char *secret2) 2561658628dSEdward Tomasz Napierala { 2571658628dSEdward Tomasz Napierala struct auth *auth; 2581658628dSEdward Tomasz Napierala 2591658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2601658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP_MUTUAL; 2611658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP_MUTUAL) { 2621658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2631658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2641658628dSEdward Tomasz Napierala "with other types for auth-group \"%s\"", 2651658628dSEdward Tomasz Napierala ag->ag_name); 2661658628dSEdward Tomasz Napierala else 2671658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2681658628dSEdward Tomasz Napierala "with other types for target \"%s\"", 269f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2701658628dSEdward Tomasz Napierala return (NULL); 2711658628dSEdward Tomasz Napierala } 2721658628dSEdward Tomasz Napierala 2731658628dSEdward Tomasz Napierala auth = auth_new(ag); 2741658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2751658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2761658628dSEdward Tomasz Napierala auth->a_mutual_user = checked_strdup(user2); 2771658628dSEdward Tomasz Napierala auth->a_mutual_secret = checked_strdup(secret2); 2781658628dSEdward Tomasz Napierala 2791658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2801658628dSEdward Tomasz Napierala 2811658628dSEdward Tomasz Napierala return (auth); 2821658628dSEdward Tomasz Napierala } 2831658628dSEdward Tomasz Napierala 2848cb2e958SEdward Tomasz Napierala const struct auth_name * 2858cb2e958SEdward Tomasz Napierala auth_name_new(struct auth_group *ag, const char *name) 2868cb2e958SEdward Tomasz Napierala { 2878cb2e958SEdward Tomasz Napierala struct auth_name *an; 2888cb2e958SEdward Tomasz Napierala 2898cb2e958SEdward Tomasz Napierala an = calloc(1, sizeof(*an)); 2908cb2e958SEdward Tomasz Napierala if (an == NULL) 2918cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 2928cb2e958SEdward Tomasz Napierala an->an_auth_group = ag; 2938cb2e958SEdward Tomasz Napierala an->an_initator_name = checked_strdup(name); 2948cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_names, an, an_next); 2958cb2e958SEdward Tomasz Napierala return (an); 2968cb2e958SEdward Tomasz Napierala } 2978cb2e958SEdward Tomasz Napierala 2988cb2e958SEdward Tomasz Napierala static void 2998cb2e958SEdward Tomasz Napierala auth_name_delete(struct auth_name *an) 3008cb2e958SEdward Tomasz Napierala { 3018cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&an->an_auth_group->ag_names, an, an_next); 3028cb2e958SEdward Tomasz Napierala 3038cb2e958SEdward Tomasz Napierala free(an->an_initator_name); 3048cb2e958SEdward Tomasz Napierala free(an); 3058cb2e958SEdward Tomasz Napierala } 3068cb2e958SEdward Tomasz Napierala 3078cb2e958SEdward Tomasz Napierala bool 3088cb2e958SEdward Tomasz Napierala auth_name_defined(const struct auth_group *ag) 3098cb2e958SEdward Tomasz Napierala { 3108cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_names)) 3118cb2e958SEdward Tomasz Napierala return (false); 3128cb2e958SEdward Tomasz Napierala return (true); 3138cb2e958SEdward Tomasz Napierala } 3148cb2e958SEdward Tomasz Napierala 3158cb2e958SEdward Tomasz Napierala const struct auth_name * 3168cb2e958SEdward Tomasz Napierala auth_name_find(const struct auth_group *ag, const char *name) 3178cb2e958SEdward Tomasz Napierala { 3188cb2e958SEdward Tomasz Napierala const struct auth_name *auth_name; 3198cb2e958SEdward Tomasz Napierala 3208cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) { 3218cb2e958SEdward Tomasz Napierala if (strcmp(auth_name->an_initator_name, name) == 0) 3228cb2e958SEdward Tomasz Napierala return (auth_name); 3238cb2e958SEdward Tomasz Napierala } 3248cb2e958SEdward Tomasz Napierala 3258cb2e958SEdward Tomasz Napierala return (NULL); 3268cb2e958SEdward Tomasz Napierala } 3278cb2e958SEdward Tomasz Napierala 328e867e162SEdward Tomasz Napierala int 329e867e162SEdward Tomasz Napierala auth_name_check(const struct auth_group *ag, const char *initiator_name) 330e867e162SEdward Tomasz Napierala { 331e867e162SEdward Tomasz Napierala if (!auth_name_defined(ag)) 332e867e162SEdward Tomasz Napierala return (0); 333e867e162SEdward Tomasz Napierala 334e867e162SEdward Tomasz Napierala if (auth_name_find(ag, initiator_name) == NULL) 335e867e162SEdward Tomasz Napierala return (1); 336e867e162SEdward Tomasz Napierala 337e867e162SEdward Tomasz Napierala return (0); 338e867e162SEdward Tomasz Napierala } 339e867e162SEdward Tomasz Napierala 3408cb2e958SEdward Tomasz Napierala const struct auth_portal * 3418cb2e958SEdward Tomasz Napierala auth_portal_new(struct auth_group *ag, const char *portal) 3428cb2e958SEdward Tomasz Napierala { 3438cb2e958SEdward Tomasz Napierala struct auth_portal *ap; 344073edb1cSAlexander Motin char *net, *mask, *str, *tmp; 345073edb1cSAlexander Motin int len, dm, m; 3468cb2e958SEdward Tomasz Napierala 3478cb2e958SEdward Tomasz Napierala ap = calloc(1, sizeof(*ap)); 3488cb2e958SEdward Tomasz Napierala if (ap == NULL) 3498cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3508cb2e958SEdward Tomasz Napierala ap->ap_auth_group = ag; 3518cb2e958SEdward Tomasz Napierala ap->ap_initator_portal = checked_strdup(portal); 352073edb1cSAlexander Motin mask = str = checked_strdup(portal); 353073edb1cSAlexander Motin net = strsep(&mask, "/"); 354073edb1cSAlexander Motin if (net[0] == '[') 355073edb1cSAlexander Motin net++; 356073edb1cSAlexander Motin len = strlen(net); 357073edb1cSAlexander Motin if (len == 0) 358073edb1cSAlexander Motin goto error; 359073edb1cSAlexander Motin if (net[len - 1] == ']') 360073edb1cSAlexander Motin net[len - 1] = 0; 361073edb1cSAlexander Motin if (strchr(net, ':') != NULL) { 362073edb1cSAlexander Motin struct sockaddr_in6 *sin6 = 363073edb1cSAlexander Motin (struct sockaddr_in6 *)&ap->ap_sa; 364073edb1cSAlexander Motin 365073edb1cSAlexander Motin sin6->sin6_len = sizeof(*sin6); 366073edb1cSAlexander Motin sin6->sin6_family = AF_INET6; 367073edb1cSAlexander Motin if (inet_pton(AF_INET6, net, &sin6->sin6_addr) <= 0) 368073edb1cSAlexander Motin goto error; 369073edb1cSAlexander Motin dm = 128; 370073edb1cSAlexander Motin } else { 371073edb1cSAlexander Motin struct sockaddr_in *sin = 372073edb1cSAlexander Motin (struct sockaddr_in *)&ap->ap_sa; 373073edb1cSAlexander Motin 374073edb1cSAlexander Motin sin->sin_len = sizeof(*sin); 375073edb1cSAlexander Motin sin->sin_family = AF_INET; 376073edb1cSAlexander Motin if (inet_pton(AF_INET, net, &sin->sin_addr) <= 0) 377073edb1cSAlexander Motin goto error; 378073edb1cSAlexander Motin dm = 32; 379073edb1cSAlexander Motin } 380073edb1cSAlexander Motin if (mask != NULL) { 381073edb1cSAlexander Motin m = strtol(mask, &tmp, 0); 382073edb1cSAlexander Motin if (m < 0 || m > dm || tmp[0] != 0) 383073edb1cSAlexander Motin goto error; 384073edb1cSAlexander Motin } else 385073edb1cSAlexander Motin m = dm; 386073edb1cSAlexander Motin ap->ap_mask = m; 387073edb1cSAlexander Motin free(str); 3888cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_portals, ap, ap_next); 3898cb2e958SEdward Tomasz Napierala return (ap); 390073edb1cSAlexander Motin 391073edb1cSAlexander Motin error: 392073edb1cSAlexander Motin log_errx(1, "Incorrect initiator portal '%s'", portal); 393073edb1cSAlexander Motin return (NULL); 3948cb2e958SEdward Tomasz Napierala } 3958cb2e958SEdward Tomasz Napierala 3968cb2e958SEdward Tomasz Napierala static void 3978cb2e958SEdward Tomasz Napierala auth_portal_delete(struct auth_portal *ap) 3988cb2e958SEdward Tomasz Napierala { 3998cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&ap->ap_auth_group->ag_portals, ap, ap_next); 4008cb2e958SEdward Tomasz Napierala 4018cb2e958SEdward Tomasz Napierala free(ap->ap_initator_portal); 4028cb2e958SEdward Tomasz Napierala free(ap); 4038cb2e958SEdward Tomasz Napierala } 4048cb2e958SEdward Tomasz Napierala 4058cb2e958SEdward Tomasz Napierala bool 4068cb2e958SEdward Tomasz Napierala auth_portal_defined(const struct auth_group *ag) 4078cb2e958SEdward Tomasz Napierala { 4088cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_portals)) 4098cb2e958SEdward Tomasz Napierala return (false); 4108cb2e958SEdward Tomasz Napierala return (true); 4118cb2e958SEdward Tomasz Napierala } 4128cb2e958SEdward Tomasz Napierala 4138cb2e958SEdward Tomasz Napierala const struct auth_portal * 414073edb1cSAlexander Motin auth_portal_find(const struct auth_group *ag, const struct sockaddr_storage *ss) 4158cb2e958SEdward Tomasz Napierala { 416073edb1cSAlexander Motin const struct auth_portal *ap; 4175e46a066SAlexander Motin const uint8_t *a, *b; 418073edb1cSAlexander Motin int i; 4195e46a066SAlexander Motin uint8_t bmask; 4208cb2e958SEdward Tomasz Napierala 421073edb1cSAlexander Motin TAILQ_FOREACH(ap, &ag->ag_portals, ap_next) { 422073edb1cSAlexander Motin if (ap->ap_sa.ss_family != ss->ss_family) 423073edb1cSAlexander Motin continue; 424073edb1cSAlexander Motin if (ss->ss_family == AF_INET) { 4255e46a066SAlexander Motin a = (const uint8_t *) 4265e46a066SAlexander Motin &((const struct sockaddr_in *)ss)->sin_addr; 4275e46a066SAlexander Motin b = (const uint8_t *) 4285e46a066SAlexander Motin &((const struct sockaddr_in *)&ap->ap_sa)->sin_addr; 429073edb1cSAlexander Motin } else { 4305e46a066SAlexander Motin a = (const uint8_t *) 4315e46a066SAlexander Motin &((const struct sockaddr_in6 *)ss)->sin6_addr; 4325e46a066SAlexander Motin b = (const uint8_t *) 4335e46a066SAlexander Motin &((const struct sockaddr_in6 *)&ap->ap_sa)->sin6_addr; 434073edb1cSAlexander Motin } 435073edb1cSAlexander Motin for (i = 0; i < ap->ap_mask / 8; i++) { 436073edb1cSAlexander Motin if (a[i] != b[i]) 437073edb1cSAlexander Motin goto next; 438073edb1cSAlexander Motin } 439073edb1cSAlexander Motin if (ap->ap_mask % 8) { 440073edb1cSAlexander Motin bmask = 0xff << (8 - (ap->ap_mask % 8)); 441073edb1cSAlexander Motin if ((a[i] & bmask) != (b[i] & bmask)) 442073edb1cSAlexander Motin goto next; 443073edb1cSAlexander Motin } 444073edb1cSAlexander Motin return (ap); 445073edb1cSAlexander Motin next: 446073edb1cSAlexander Motin ; 4478cb2e958SEdward Tomasz Napierala } 4488cb2e958SEdward Tomasz Napierala 4498cb2e958SEdward Tomasz Napierala return (NULL); 4508cb2e958SEdward Tomasz Napierala } 4518cb2e958SEdward Tomasz Napierala 452e867e162SEdward Tomasz Napierala int 453e867e162SEdward Tomasz Napierala auth_portal_check(const struct auth_group *ag, const struct sockaddr_storage *sa) 454e867e162SEdward Tomasz Napierala { 455e867e162SEdward Tomasz Napierala 456e867e162SEdward Tomasz Napierala if (!auth_portal_defined(ag)) 457e867e162SEdward Tomasz Napierala return (0); 458e867e162SEdward Tomasz Napierala 459e867e162SEdward Tomasz Napierala if (auth_portal_find(ag, sa) == NULL) 460e867e162SEdward Tomasz Napierala return (1); 461e867e162SEdward Tomasz Napierala 462e867e162SEdward Tomasz Napierala return (0); 463e867e162SEdward Tomasz Napierala } 464e867e162SEdward Tomasz Napierala 465009ea47eSEdward Tomasz Napierala struct auth_group * 466009ea47eSEdward Tomasz Napierala auth_group_new(struct conf *conf, const char *name) 467009ea47eSEdward Tomasz Napierala { 468009ea47eSEdward Tomasz Napierala struct auth_group *ag; 469009ea47eSEdward Tomasz Napierala 470009ea47eSEdward Tomasz Napierala if (name != NULL) { 471009ea47eSEdward Tomasz Napierala ag = auth_group_find(conf, name); 472009ea47eSEdward Tomasz Napierala if (ag != NULL) { 473009ea47eSEdward Tomasz Napierala log_warnx("duplicated auth-group \"%s\"", name); 474009ea47eSEdward Tomasz Napierala return (NULL); 475009ea47eSEdward Tomasz Napierala } 476009ea47eSEdward Tomasz Napierala } 477009ea47eSEdward Tomasz Napierala 478009ea47eSEdward Tomasz Napierala ag = calloc(1, sizeof(*ag)); 479009ea47eSEdward Tomasz Napierala if (ag == NULL) 480009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 481009ea47eSEdward Tomasz Napierala if (name != NULL) 482009ea47eSEdward Tomasz Napierala ag->ag_name = checked_strdup(name); 483009ea47eSEdward Tomasz Napierala TAILQ_INIT(&ag->ag_auths); 4848cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_names); 4858cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_portals); 486009ea47eSEdward Tomasz Napierala ag->ag_conf = conf; 487009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_auth_groups, ag, ag_next); 488009ea47eSEdward Tomasz Napierala 489009ea47eSEdward Tomasz Napierala return (ag); 490009ea47eSEdward Tomasz Napierala } 491009ea47eSEdward Tomasz Napierala 492009ea47eSEdward Tomasz Napierala void 493009ea47eSEdward Tomasz Napierala auth_group_delete(struct auth_group *ag) 494009ea47eSEdward Tomasz Napierala { 4958cb2e958SEdward Tomasz Napierala struct auth *auth, *auth_tmp; 4968cb2e958SEdward Tomasz Napierala struct auth_name *auth_name, *auth_name_tmp; 4978cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal, *auth_portal_tmp; 498009ea47eSEdward Tomasz Napierala 499009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&ag->ag_conf->conf_auth_groups, ag, ag_next); 500009ea47eSEdward Tomasz Napierala 5018cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth, &ag->ag_auths, a_next, auth_tmp) 502009ea47eSEdward Tomasz Napierala auth_delete(auth); 5038cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_name, &ag->ag_names, an_next, auth_name_tmp) 5048cb2e958SEdward Tomasz Napierala auth_name_delete(auth_name); 5058cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_portal, &ag->ag_portals, ap_next, 5068cb2e958SEdward Tomasz Napierala auth_portal_tmp) 5078cb2e958SEdward Tomasz Napierala auth_portal_delete(auth_portal); 508009ea47eSEdward Tomasz Napierala free(ag->ag_name); 509009ea47eSEdward Tomasz Napierala free(ag); 510009ea47eSEdward Tomasz Napierala } 511009ea47eSEdward Tomasz Napierala 512009ea47eSEdward Tomasz Napierala struct auth_group * 513d6093026SEdward Tomasz Napierala auth_group_find(const struct conf *conf, const char *name) 514009ea47eSEdward Tomasz Napierala { 515009ea47eSEdward Tomasz Napierala struct auth_group *ag; 516009ea47eSEdward Tomasz Napierala 517009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 518009ea47eSEdward Tomasz Napierala if (ag->ag_name != NULL && strcmp(ag->ag_name, name) == 0) 519009ea47eSEdward Tomasz Napierala return (ag); 520009ea47eSEdward Tomasz Napierala } 521009ea47eSEdward Tomasz Napierala 522009ea47eSEdward Tomasz Napierala return (NULL); 523009ea47eSEdward Tomasz Napierala } 524009ea47eSEdward Tomasz Napierala 525df9900fbSEdward Tomasz Napierala static int 526df9900fbSEdward Tomasz Napierala auth_group_set_type(struct auth_group *ag, int type) 527df9900fbSEdward Tomasz Napierala { 528df9900fbSEdward Tomasz Napierala 529df9900fbSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) { 530df9900fbSEdward Tomasz Napierala ag->ag_type = type; 531df9900fbSEdward Tomasz Napierala return (0); 532df9900fbSEdward Tomasz Napierala } 533df9900fbSEdward Tomasz Napierala 534df9900fbSEdward Tomasz Napierala if (ag->ag_type == type) 535df9900fbSEdward Tomasz Napierala return (0); 536df9900fbSEdward Tomasz Napierala 537df9900fbSEdward Tomasz Napierala return (1); 538df9900fbSEdward Tomasz Napierala } 539df9900fbSEdward Tomasz Napierala 540df9900fbSEdward Tomasz Napierala int 541df9900fbSEdward Tomasz Napierala auth_group_set_type_str(struct auth_group *ag, const char *str) 542df9900fbSEdward Tomasz Napierala { 543df9900fbSEdward Tomasz Napierala int error, type; 544df9900fbSEdward Tomasz Napierala 545df9900fbSEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 546df9900fbSEdward Tomasz Napierala type = AG_TYPE_NO_AUTHENTICATION; 547e76ce448SEdward Tomasz Napierala } else if (strcmp(str, "deny") == 0) { 548e76ce448SEdward Tomasz Napierala type = AG_TYPE_DENY; 549df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap") == 0) { 550df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP; 551df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap-mutual") == 0) { 552df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP_MUTUAL; 553df9900fbSEdward Tomasz Napierala } else { 554df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 555df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for auth-group " 556df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_name); 557df9900fbSEdward Tomasz Napierala else 558df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for target " 559df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_target->t_name); 560df9900fbSEdward Tomasz Napierala return (1); 561df9900fbSEdward Tomasz Napierala } 562df9900fbSEdward Tomasz Napierala 563df9900fbSEdward Tomasz Napierala error = auth_group_set_type(ag, type); 564df9900fbSEdward Tomasz Napierala if (error != 0) { 565df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 566df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for " 567df9900fbSEdward Tomasz Napierala "auth-group \"%s\"; already has a different " 568df9900fbSEdward Tomasz Napierala "type", str, ag->ag_name); 569df9900fbSEdward Tomasz Napierala else 570df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for target " 571df9900fbSEdward Tomasz Napierala "\"%s\"; already has a different type", 572df9900fbSEdward Tomasz Napierala str, ag->ag_target->t_name); 573df9900fbSEdward Tomasz Napierala return (1); 574df9900fbSEdward Tomasz Napierala } 575df9900fbSEdward Tomasz Napierala 576df9900fbSEdward Tomasz Napierala return (error); 577df9900fbSEdward Tomasz Napierala } 578df9900fbSEdward Tomasz Napierala 579009ea47eSEdward Tomasz Napierala static struct portal * 580009ea47eSEdward Tomasz Napierala portal_new(struct portal_group *pg) 581009ea47eSEdward Tomasz Napierala { 582009ea47eSEdward Tomasz Napierala struct portal *portal; 583009ea47eSEdward Tomasz Napierala 584009ea47eSEdward Tomasz Napierala portal = calloc(1, sizeof(*portal)); 585009ea47eSEdward Tomasz Napierala if (portal == NULL) 586009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 587009ea47eSEdward Tomasz Napierala TAILQ_INIT(&portal->p_targets); 588009ea47eSEdward Tomasz Napierala portal->p_portal_group = pg; 589009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&pg->pg_portals, portal, p_next); 590009ea47eSEdward Tomasz Napierala return (portal); 591009ea47eSEdward Tomasz Napierala } 592009ea47eSEdward Tomasz Napierala 593009ea47eSEdward Tomasz Napierala static void 594009ea47eSEdward Tomasz Napierala portal_delete(struct portal *portal) 595009ea47eSEdward Tomasz Napierala { 59644a5953aSEdward Tomasz Napierala 597009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&portal->p_portal_group->pg_portals, portal, p_next); 59844a5953aSEdward Tomasz Napierala if (portal->p_ai != NULL) 599009ea47eSEdward Tomasz Napierala freeaddrinfo(portal->p_ai); 600009ea47eSEdward Tomasz Napierala free(portal->p_listen); 601009ea47eSEdward Tomasz Napierala free(portal); 602009ea47eSEdward Tomasz Napierala } 603009ea47eSEdward Tomasz Napierala 604009ea47eSEdward Tomasz Napierala struct portal_group * 605009ea47eSEdward Tomasz Napierala portal_group_new(struct conf *conf, const char *name) 606009ea47eSEdward Tomasz Napierala { 607009ea47eSEdward Tomasz Napierala struct portal_group *pg; 608009ea47eSEdward Tomasz Napierala 609009ea47eSEdward Tomasz Napierala pg = portal_group_find(conf, name); 610009ea47eSEdward Tomasz Napierala if (pg != NULL) { 611009ea47eSEdward Tomasz Napierala log_warnx("duplicated portal-group \"%s\"", name); 612009ea47eSEdward Tomasz Napierala return (NULL); 613009ea47eSEdward Tomasz Napierala } 614009ea47eSEdward Tomasz Napierala 615009ea47eSEdward Tomasz Napierala pg = calloc(1, sizeof(*pg)); 616009ea47eSEdward Tomasz Napierala if (pg == NULL) 617009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 618009ea47eSEdward Tomasz Napierala pg->pg_name = checked_strdup(name); 619009ea47eSEdward Tomasz Napierala TAILQ_INIT(&pg->pg_portals); 620009ea47eSEdward Tomasz Napierala pg->pg_conf = conf; 621009ea47eSEdward Tomasz Napierala conf->conf_last_portal_group_tag++; 622009ea47eSEdward Tomasz Napierala pg->pg_tag = conf->conf_last_portal_group_tag; 623009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_portal_groups, pg, pg_next); 624009ea47eSEdward Tomasz Napierala 625009ea47eSEdward Tomasz Napierala return (pg); 626009ea47eSEdward Tomasz Napierala } 627009ea47eSEdward Tomasz Napierala 628009ea47eSEdward Tomasz Napierala void 629009ea47eSEdward Tomasz Napierala portal_group_delete(struct portal_group *pg) 630009ea47eSEdward Tomasz Napierala { 631009ea47eSEdward Tomasz Napierala struct portal *portal, *tmp; 632009ea47eSEdward Tomasz Napierala 633009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&pg->pg_conf->conf_portal_groups, pg, pg_next); 634009ea47eSEdward Tomasz Napierala 635009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(portal, &pg->pg_portals, p_next, tmp) 636009ea47eSEdward Tomasz Napierala portal_delete(portal); 637009ea47eSEdward Tomasz Napierala free(pg->pg_name); 638009ea47eSEdward Tomasz Napierala free(pg); 639009ea47eSEdward Tomasz Napierala } 640009ea47eSEdward Tomasz Napierala 641009ea47eSEdward Tomasz Napierala struct portal_group * 642d6093026SEdward Tomasz Napierala portal_group_find(const struct conf *conf, const char *name) 643009ea47eSEdward Tomasz Napierala { 644009ea47eSEdward Tomasz Napierala struct portal_group *pg; 645009ea47eSEdward Tomasz Napierala 646009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 647009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, name) == 0) 648009ea47eSEdward Tomasz Napierala return (pg); 649009ea47eSEdward Tomasz Napierala } 650009ea47eSEdward Tomasz Napierala 651009ea47eSEdward Tomasz Napierala return (NULL); 652009ea47eSEdward Tomasz Napierala } 653009ea47eSEdward Tomasz Napierala 654*829603e2SAlexander Motin static int 655*829603e2SAlexander Motin parse_addr_port(char *arg, const char *def_port, struct addrinfo **ai) 656009ea47eSEdward Tomasz Napierala { 657009ea47eSEdward Tomasz Napierala struct addrinfo hints; 658*829603e2SAlexander Motin char *addr, *ch; 659009ea47eSEdward Tomasz Napierala const char *port; 660009ea47eSEdward Tomasz Napierala int error, colons = 0; 661009ea47eSEdward Tomasz Napierala 662009ea47eSEdward Tomasz Napierala if (arg[0] == '[') { 663009ea47eSEdward Tomasz Napierala /* 664009ea47eSEdward Tomasz Napierala * IPv6 address in square brackets, perhaps with port. 665009ea47eSEdward Tomasz Napierala */ 666009ea47eSEdward Tomasz Napierala arg++; 667009ea47eSEdward Tomasz Napierala addr = strsep(&arg, "]"); 668*829603e2SAlexander Motin if (arg == NULL) 669009ea47eSEdward Tomasz Napierala return (1); 670009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 671*829603e2SAlexander Motin port = def_port; 672009ea47eSEdward Tomasz Napierala } else if (arg[0] == ':') { 673009ea47eSEdward Tomasz Napierala port = arg + 1; 674*829603e2SAlexander Motin } else 675009ea47eSEdward Tomasz Napierala return (1); 676009ea47eSEdward Tomasz Napierala } else { 677009ea47eSEdward Tomasz Napierala /* 678009ea47eSEdward Tomasz Napierala * Either IPv6 address without brackets - and without 679009ea47eSEdward Tomasz Napierala * a port - or IPv4 address. Just count the colons. 680009ea47eSEdward Tomasz Napierala */ 681009ea47eSEdward Tomasz Napierala for (ch = arg; *ch != '\0'; ch++) { 682009ea47eSEdward Tomasz Napierala if (*ch == ':') 683009ea47eSEdward Tomasz Napierala colons++; 684009ea47eSEdward Tomasz Napierala } 685009ea47eSEdward Tomasz Napierala if (colons > 1) { 686009ea47eSEdward Tomasz Napierala addr = arg; 687*829603e2SAlexander Motin port = def_port; 688009ea47eSEdward Tomasz Napierala } else { 689009ea47eSEdward Tomasz Napierala addr = strsep(&arg, ":"); 690009ea47eSEdward Tomasz Napierala if (arg == NULL) 691*829603e2SAlexander Motin port = def_port; 692009ea47eSEdward Tomasz Napierala else 693009ea47eSEdward Tomasz Napierala port = arg; 694009ea47eSEdward Tomasz Napierala } 695009ea47eSEdward Tomasz Napierala } 696009ea47eSEdward Tomasz Napierala 697009ea47eSEdward Tomasz Napierala memset(&hints, 0, sizeof(hints)); 698009ea47eSEdward Tomasz Napierala hints.ai_family = PF_UNSPEC; 699009ea47eSEdward Tomasz Napierala hints.ai_socktype = SOCK_STREAM; 700009ea47eSEdward Tomasz Napierala hints.ai_flags = AI_PASSIVE; 701*829603e2SAlexander Motin error = getaddrinfo(addr, port, &hints, ai); 702*829603e2SAlexander Motin if (error != 0) 703*829603e2SAlexander Motin return (1); 704*829603e2SAlexander Motin return (0); 705*829603e2SAlexander Motin } 706009ea47eSEdward Tomasz Napierala 707*829603e2SAlexander Motin int 708*829603e2SAlexander Motin portal_group_add_listen(struct portal_group *pg, const char *value, bool iser) 709*829603e2SAlexander Motin { 710*829603e2SAlexander Motin struct portal *portal; 711*829603e2SAlexander Motin 712*829603e2SAlexander Motin portal = portal_new(pg); 713*829603e2SAlexander Motin portal->p_listen = checked_strdup(value); 714*829603e2SAlexander Motin portal->p_iser = iser; 715*829603e2SAlexander Motin 716*829603e2SAlexander Motin if (parse_addr_port(portal->p_listen, "3260", &portal->p_ai)) { 717*829603e2SAlexander Motin log_warnx("invalid listen address %s", portal->p_listen); 71844a5953aSEdward Tomasz Napierala portal_delete(portal); 719009ea47eSEdward Tomasz Napierala return (1); 720009ea47eSEdward Tomasz Napierala } 721009ea47eSEdward Tomasz Napierala 722009ea47eSEdward Tomasz Napierala /* 723009ea47eSEdward Tomasz Napierala * XXX: getaddrinfo(3) may return multiple addresses; we should turn 724009ea47eSEdward Tomasz Napierala * those into multiple portals. 725009ea47eSEdward Tomasz Napierala */ 726009ea47eSEdward Tomasz Napierala 727009ea47eSEdward Tomasz Napierala return (0); 728009ea47eSEdward Tomasz Napierala } 729009ea47eSEdward Tomasz Napierala 730*829603e2SAlexander Motin int 731*829603e2SAlexander Motin isns_new(struct conf *conf, const char *addr) 732*829603e2SAlexander Motin { 733*829603e2SAlexander Motin struct isns *isns; 734*829603e2SAlexander Motin 735*829603e2SAlexander Motin isns = calloc(1, sizeof(*isns)); 736*829603e2SAlexander Motin if (isns == NULL) 737*829603e2SAlexander Motin log_err(1, "calloc"); 738*829603e2SAlexander Motin isns->i_conf = conf; 739*829603e2SAlexander Motin TAILQ_INSERT_TAIL(&conf->conf_isns, isns, i_next); 740*829603e2SAlexander Motin isns->i_addr = checked_strdup(addr); 741*829603e2SAlexander Motin 742*829603e2SAlexander Motin if (parse_addr_port(isns->i_addr, "3205", &isns->i_ai)) { 743*829603e2SAlexander Motin log_warnx("invalid iSNS address %s", isns->i_addr); 744*829603e2SAlexander Motin isns_delete(isns); 745*829603e2SAlexander Motin return (1); 746*829603e2SAlexander Motin } 747*829603e2SAlexander Motin 748*829603e2SAlexander Motin /* 749*829603e2SAlexander Motin * XXX: getaddrinfo(3) may return multiple addresses; we should turn 750*829603e2SAlexander Motin * those into multiple servers. 751*829603e2SAlexander Motin */ 752*829603e2SAlexander Motin 753*829603e2SAlexander Motin return (0); 754*829603e2SAlexander Motin } 755*829603e2SAlexander Motin 756*829603e2SAlexander Motin void 757*829603e2SAlexander Motin isns_delete(struct isns *isns) 758*829603e2SAlexander Motin { 759*829603e2SAlexander Motin 760*829603e2SAlexander Motin TAILQ_REMOVE(&isns->i_conf->conf_isns, isns, i_next); 761*829603e2SAlexander Motin free(isns->i_addr); 762*829603e2SAlexander Motin if (isns->i_ai != NULL) 763*829603e2SAlexander Motin freeaddrinfo(isns->i_ai); 764*829603e2SAlexander Motin free(isns); 765*829603e2SAlexander Motin } 766*829603e2SAlexander Motin 767*829603e2SAlexander Motin static int 768*829603e2SAlexander Motin isns_do_connect(struct isns *isns) 769*829603e2SAlexander Motin { 770*829603e2SAlexander Motin int s; 771*829603e2SAlexander Motin 772*829603e2SAlexander Motin s = socket(isns->i_ai->ai_family, isns->i_ai->ai_socktype, 773*829603e2SAlexander Motin isns->i_ai->ai_protocol); 774*829603e2SAlexander Motin if (s < 0) { 775*829603e2SAlexander Motin log_warn("socket(2) failed for %s", isns->i_addr); 776*829603e2SAlexander Motin return (-1); 777*829603e2SAlexander Motin } 778*829603e2SAlexander Motin if (connect(s, isns->i_ai->ai_addr, isns->i_ai->ai_addrlen)) { 779*829603e2SAlexander Motin log_warn("connect(2) failed for %s", isns->i_addr); 780*829603e2SAlexander Motin close(s); 781*829603e2SAlexander Motin return (-1); 782*829603e2SAlexander Motin } 783*829603e2SAlexander Motin return(s); 784*829603e2SAlexander Motin } 785*829603e2SAlexander Motin 786*829603e2SAlexander Motin static int 787*829603e2SAlexander Motin isns_do_register(struct isns *isns, int s, const char *hostname) 788*829603e2SAlexander Motin { 789*829603e2SAlexander Motin struct conf *conf = isns->i_conf; 790*829603e2SAlexander Motin struct target *target; 791*829603e2SAlexander Motin struct portal *portal; 792*829603e2SAlexander Motin struct portal_group *pg; 793*829603e2SAlexander Motin struct isns_req *req; 794*829603e2SAlexander Motin int res = 0; 795*829603e2SAlexander Motin uint32_t error; 796*829603e2SAlexander Motin 797*829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRREG, ISNS_FLAG_CLIENT); 798*829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 799*829603e2SAlexander Motin isns_req_add_delim(req); 800*829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 801*829603e2SAlexander Motin isns_req_add_32(req, 2, 2); /* 2 -- iSCSI */ 802*829603e2SAlexander Motin isns_req_add_32(req, 6, conf->conf_isns_period); 803*829603e2SAlexander Motin TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 804*829603e2SAlexander Motin if (pg->pg_unassigned) 805*829603e2SAlexander Motin continue; 806*829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 807*829603e2SAlexander Motin isns_req_add_addr(req, 16, portal->p_ai); 808*829603e2SAlexander Motin isns_req_add_port(req, 17, portal->p_ai); 809*829603e2SAlexander Motin } 810*829603e2SAlexander Motin } 811*829603e2SAlexander Motin TAILQ_FOREACH(target, &conf->conf_targets, t_next) { 812*829603e2SAlexander Motin isns_req_add_str(req, 32, target->t_name); 813*829603e2SAlexander Motin isns_req_add_32(req, 33, 1); /* 1 -- Target*/ 814*829603e2SAlexander Motin if (target->t_alias != NULL) 815*829603e2SAlexander Motin isns_req_add_str(req, 34, target->t_alias); 816*829603e2SAlexander Motin pg = target->t_portal_group; 817*829603e2SAlexander Motin isns_req_add_32(req, 51, pg->pg_tag); 818*829603e2SAlexander Motin TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 819*829603e2SAlexander Motin isns_req_add_addr(req, 49, portal->p_ai); 820*829603e2SAlexander Motin isns_req_add_port(req, 50, portal->p_ai); 821*829603e2SAlexander Motin } 822*829603e2SAlexander Motin } 823*829603e2SAlexander Motin res = isns_req_send(s, req); 824*829603e2SAlexander Motin if (res < 0) { 825*829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 826*829603e2SAlexander Motin goto quit; 827*829603e2SAlexander Motin } 828*829603e2SAlexander Motin res = isns_req_receive(s, req); 829*829603e2SAlexander Motin if (res < 0) { 830*829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 831*829603e2SAlexander Motin goto quit; 832*829603e2SAlexander Motin } 833*829603e2SAlexander Motin error = isns_req_get_status(req); 834*829603e2SAlexander Motin if (error != 0) { 835*829603e2SAlexander Motin log_warnx("iSNS register error %d for %s", error, isns->i_addr); 836*829603e2SAlexander Motin res = -1; 837*829603e2SAlexander Motin } 838*829603e2SAlexander Motin quit: 839*829603e2SAlexander Motin isns_req_free(req); 840*829603e2SAlexander Motin return (res); 841*829603e2SAlexander Motin } 842*829603e2SAlexander Motin 843*829603e2SAlexander Motin static int 844*829603e2SAlexander Motin isns_do_check(struct isns *isns, int s, const char *hostname) 845*829603e2SAlexander Motin { 846*829603e2SAlexander Motin struct conf *conf = isns->i_conf; 847*829603e2SAlexander Motin struct isns_req *req; 848*829603e2SAlexander Motin int res = 0; 849*829603e2SAlexander Motin uint32_t error; 850*829603e2SAlexander Motin 851*829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVATTRQRY, ISNS_FLAG_CLIENT); 852*829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 853*829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 854*829603e2SAlexander Motin isns_req_add_delim(req); 855*829603e2SAlexander Motin isns_req_add(req, 2, 0, NULL); 856*829603e2SAlexander Motin res = isns_req_send(s, req); 857*829603e2SAlexander Motin if (res < 0) { 858*829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 859*829603e2SAlexander Motin goto quit; 860*829603e2SAlexander Motin } 861*829603e2SAlexander Motin res = isns_req_receive(s, req); 862*829603e2SAlexander Motin if (res < 0) { 863*829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 864*829603e2SAlexander Motin goto quit; 865*829603e2SAlexander Motin } 866*829603e2SAlexander Motin error = isns_req_get_status(req); 867*829603e2SAlexander Motin if (error != 0) { 868*829603e2SAlexander Motin log_warnx("iSNS check error %d for %s", error, isns->i_addr); 869*829603e2SAlexander Motin res = -1; 870*829603e2SAlexander Motin } 871*829603e2SAlexander Motin quit: 872*829603e2SAlexander Motin isns_req_free(req); 873*829603e2SAlexander Motin return (res); 874*829603e2SAlexander Motin } 875*829603e2SAlexander Motin 876*829603e2SAlexander Motin static int 877*829603e2SAlexander Motin isns_do_deregister(struct isns *isns, int s, const char *hostname) 878*829603e2SAlexander Motin { 879*829603e2SAlexander Motin struct conf *conf = isns->i_conf; 880*829603e2SAlexander Motin struct isns_req *req; 881*829603e2SAlexander Motin int res = 0; 882*829603e2SAlexander Motin uint32_t error; 883*829603e2SAlexander Motin 884*829603e2SAlexander Motin req = isns_req_create(ISNS_FUNC_DEVDEREG, ISNS_FLAG_CLIENT); 885*829603e2SAlexander Motin isns_req_add_str(req, 32, TAILQ_FIRST(&conf->conf_targets)->t_name); 886*829603e2SAlexander Motin isns_req_add_delim(req); 887*829603e2SAlexander Motin isns_req_add_str(req, 1, hostname); 888*829603e2SAlexander Motin res = isns_req_send(s, req); 889*829603e2SAlexander Motin if (res < 0) { 890*829603e2SAlexander Motin log_warn("send(2) failed for %s", isns->i_addr); 891*829603e2SAlexander Motin goto quit; 892*829603e2SAlexander Motin } 893*829603e2SAlexander Motin res = isns_req_receive(s, req); 894*829603e2SAlexander Motin if (res < 0) { 895*829603e2SAlexander Motin log_warn("receive(2) failed for %s", isns->i_addr); 896*829603e2SAlexander Motin goto quit; 897*829603e2SAlexander Motin } 898*829603e2SAlexander Motin error = isns_req_get_status(req); 899*829603e2SAlexander Motin if (error != 0) { 900*829603e2SAlexander Motin log_warnx("iSNS deregister error %d for %s", error, isns->i_addr); 901*829603e2SAlexander Motin res = -1; 902*829603e2SAlexander Motin } 903*829603e2SAlexander Motin quit: 904*829603e2SAlexander Motin isns_req_free(req); 905*829603e2SAlexander Motin return (res); 906*829603e2SAlexander Motin } 907*829603e2SAlexander Motin 908*829603e2SAlexander Motin void 909*829603e2SAlexander Motin isns_register(struct isns *isns, struct isns *oldisns) 910*829603e2SAlexander Motin { 911*829603e2SAlexander Motin struct conf *conf = isns->i_conf; 912*829603e2SAlexander Motin int s, res; 913*829603e2SAlexander Motin char hostname[256]; 914*829603e2SAlexander Motin 915*829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 916*829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 917*829603e2SAlexander Motin return; 918*829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 919*829603e2SAlexander Motin s = isns_do_connect(isns); 920*829603e2SAlexander Motin if (s < 0) { 921*829603e2SAlexander Motin set_timeout(0, false); 922*829603e2SAlexander Motin return; 923*829603e2SAlexander Motin } 924*829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 925*829603e2SAlexander Motin 926*829603e2SAlexander Motin if (oldisns == NULL || TAILQ_EMPTY(&oldisns->i_conf->conf_targets)) 927*829603e2SAlexander Motin oldisns = isns; 928*829603e2SAlexander Motin res = isns_do_deregister(oldisns, s, hostname); 929*829603e2SAlexander Motin res = isns_do_register(isns, s, hostname); 930*829603e2SAlexander Motin close(s); 931*829603e2SAlexander Motin set_timeout(0, false); 932*829603e2SAlexander Motin } 933*829603e2SAlexander Motin 934*829603e2SAlexander Motin void 935*829603e2SAlexander Motin isns_check(struct isns *isns) 936*829603e2SAlexander Motin { 937*829603e2SAlexander Motin struct conf *conf = isns->i_conf; 938*829603e2SAlexander Motin int s, res; 939*829603e2SAlexander Motin char hostname[256]; 940*829603e2SAlexander Motin 941*829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 942*829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 943*829603e2SAlexander Motin return; 944*829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 945*829603e2SAlexander Motin s = isns_do_connect(isns); 946*829603e2SAlexander Motin if (s < 0) { 947*829603e2SAlexander Motin set_timeout(0, false); 948*829603e2SAlexander Motin return; 949*829603e2SAlexander Motin } 950*829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 951*829603e2SAlexander Motin 952*829603e2SAlexander Motin res = isns_do_check(isns, s, hostname); 953*829603e2SAlexander Motin if (res < 0) { 954*829603e2SAlexander Motin res = isns_do_deregister(isns, s, hostname); 955*829603e2SAlexander Motin res = isns_do_register(isns, s, hostname); 956*829603e2SAlexander Motin } 957*829603e2SAlexander Motin close(s); 958*829603e2SAlexander Motin set_timeout(0, false); 959*829603e2SAlexander Motin } 960*829603e2SAlexander Motin 961*829603e2SAlexander Motin void 962*829603e2SAlexander Motin isns_deregister(struct isns *isns) 963*829603e2SAlexander Motin { 964*829603e2SAlexander Motin struct conf *conf = isns->i_conf; 965*829603e2SAlexander Motin int s, res; 966*829603e2SAlexander Motin char hostname[256]; 967*829603e2SAlexander Motin 968*829603e2SAlexander Motin if (TAILQ_EMPTY(&conf->conf_targets) || 969*829603e2SAlexander Motin TAILQ_EMPTY(&conf->conf_portal_groups)) 970*829603e2SAlexander Motin return; 971*829603e2SAlexander Motin set_timeout(conf->conf_isns_timeout, false); 972*829603e2SAlexander Motin s = isns_do_connect(isns); 973*829603e2SAlexander Motin if (s < 0) 974*829603e2SAlexander Motin return; 975*829603e2SAlexander Motin gethostname(hostname, sizeof(hostname)); 976*829603e2SAlexander Motin 977*829603e2SAlexander Motin res = isns_do_deregister(isns, s, hostname); 978*829603e2SAlexander Motin close(s); 979*829603e2SAlexander Motin set_timeout(0, false); 980*829603e2SAlexander Motin } 981*829603e2SAlexander Motin 982009ea47eSEdward Tomasz Napierala static bool 983009ea47eSEdward Tomasz Napierala valid_hex(const char ch) 984009ea47eSEdward Tomasz Napierala { 985009ea47eSEdward Tomasz Napierala switch (ch) { 986009ea47eSEdward Tomasz Napierala case '0': 987009ea47eSEdward Tomasz Napierala case '1': 988009ea47eSEdward Tomasz Napierala case '2': 989009ea47eSEdward Tomasz Napierala case '3': 990009ea47eSEdward Tomasz Napierala case '4': 991009ea47eSEdward Tomasz Napierala case '5': 992009ea47eSEdward Tomasz Napierala case '6': 993009ea47eSEdward Tomasz Napierala case '7': 994009ea47eSEdward Tomasz Napierala case '8': 995009ea47eSEdward Tomasz Napierala case '9': 996009ea47eSEdward Tomasz Napierala case 'a': 997009ea47eSEdward Tomasz Napierala case 'A': 998009ea47eSEdward Tomasz Napierala case 'b': 999009ea47eSEdward Tomasz Napierala case 'B': 1000009ea47eSEdward Tomasz Napierala case 'c': 1001009ea47eSEdward Tomasz Napierala case 'C': 1002009ea47eSEdward Tomasz Napierala case 'd': 1003009ea47eSEdward Tomasz Napierala case 'D': 1004009ea47eSEdward Tomasz Napierala case 'e': 1005009ea47eSEdward Tomasz Napierala case 'E': 1006009ea47eSEdward Tomasz Napierala case 'f': 1007009ea47eSEdward Tomasz Napierala case 'F': 1008009ea47eSEdward Tomasz Napierala return (true); 1009009ea47eSEdward Tomasz Napierala default: 1010009ea47eSEdward Tomasz Napierala return (false); 1011009ea47eSEdward Tomasz Napierala } 1012009ea47eSEdward Tomasz Napierala } 1013009ea47eSEdward Tomasz Napierala 1014009ea47eSEdward Tomasz Napierala bool 1015009ea47eSEdward Tomasz Napierala valid_iscsi_name(const char *name) 1016009ea47eSEdward Tomasz Napierala { 1017009ea47eSEdward Tomasz Napierala int i; 1018009ea47eSEdward Tomasz Napierala 1019009ea47eSEdward Tomasz Napierala if (strlen(name) >= MAX_NAME_LEN) { 1020009ea47eSEdward Tomasz Napierala log_warnx("overlong name for target \"%s\"; max length allowed " 1021009ea47eSEdward Tomasz Napierala "by iSCSI specification is %d characters", 1022009ea47eSEdward Tomasz Napierala name, MAX_NAME_LEN); 1023009ea47eSEdward Tomasz Napierala return (false); 1024009ea47eSEdward Tomasz Napierala } 1025009ea47eSEdward Tomasz Napierala 1026009ea47eSEdward Tomasz Napierala /* 1027009ea47eSEdward Tomasz Napierala * In the cases below, we don't return an error, just in case the admin 1028009ea47eSEdward Tomasz Napierala * was right, and we're wrong. 1029009ea47eSEdward Tomasz Napierala */ 1030009ea47eSEdward Tomasz Napierala if (strncasecmp(name, "iqn.", strlen("iqn.")) == 0) { 1031009ea47eSEdward Tomasz Napierala for (i = strlen("iqn."); name[i] != '\0'; i++) { 1032009ea47eSEdward Tomasz Napierala /* 1033009ea47eSEdward Tomasz Napierala * XXX: We should verify UTF-8 normalisation, as defined 1034009ea47eSEdward Tomasz Napierala * by 3.2.6.2: iSCSI Name Encoding. 1035009ea47eSEdward Tomasz Napierala */ 1036009ea47eSEdward Tomasz Napierala if (isalnum(name[i])) 1037009ea47eSEdward Tomasz Napierala continue; 1038009ea47eSEdward Tomasz Napierala if (name[i] == '-' || name[i] == '.' || name[i] == ':') 1039009ea47eSEdward Tomasz Napierala continue; 1040009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target name " 1041009ea47eSEdward Tomasz Napierala "\"%s\"; allowed characters are letters, digits, " 1042009ea47eSEdward Tomasz Napierala "'-', '.', and ':'", name[i], name); 1043009ea47eSEdward Tomasz Napierala break; 1044009ea47eSEdward Tomasz Napierala } 1045009ea47eSEdward Tomasz Napierala /* 1046009ea47eSEdward Tomasz Napierala * XXX: Check more stuff: valid date and a valid reversed domain. 1047009ea47eSEdward Tomasz Napierala */ 1048009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "eui.", strlen("eui.")) == 0) { 1049009ea47eSEdward Tomasz Napierala if (strlen(name) != strlen("eui.") + 16) 1050009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"eui.\" " 1051009ea47eSEdward Tomasz Napierala "should be followed by exactly 16 hexadecimal " 1052009ea47eSEdward Tomasz Napierala "digits", name); 1053009ea47eSEdward Tomasz Napierala for (i = strlen("eui."); name[i] != '\0'; i++) { 1054009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1055009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1056009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1057009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1058009ea47eSEdward Tomasz Napierala break; 1059009ea47eSEdward Tomasz Napierala } 1060009ea47eSEdward Tomasz Napierala } 1061009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "naa.", strlen("naa.")) == 0) { 1062009ea47eSEdward Tomasz Napierala if (strlen(name) > strlen("naa.") + 32) 1063009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"naa.\" " 1064009ea47eSEdward Tomasz Napierala "should be followed by at most 32 hexadecimal " 1065009ea47eSEdward Tomasz Napierala "digits", name); 1066009ea47eSEdward Tomasz Napierala for (i = strlen("naa."); name[i] != '\0'; i++) { 1067009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 1068009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 1069009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 1070009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 1071009ea47eSEdward Tomasz Napierala break; 1072009ea47eSEdward Tomasz Napierala } 1073009ea47eSEdward Tomasz Napierala } 1074009ea47eSEdward Tomasz Napierala } else { 1075009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; should start with " 1076009ea47eSEdward Tomasz Napierala "either \".iqn\", \"eui.\", or \"naa.\"", 1077009ea47eSEdward Tomasz Napierala name); 1078009ea47eSEdward Tomasz Napierala } 1079009ea47eSEdward Tomasz Napierala return (true); 1080009ea47eSEdward Tomasz Napierala } 1081009ea47eSEdward Tomasz Napierala 1082009ea47eSEdward Tomasz Napierala struct target * 1083f7ae5bf8SEdward Tomasz Napierala target_new(struct conf *conf, const char *name) 1084009ea47eSEdward Tomasz Napierala { 1085009ea47eSEdward Tomasz Napierala struct target *targ; 1086009ea47eSEdward Tomasz Napierala int i, len; 1087009ea47eSEdward Tomasz Napierala 1088f7ae5bf8SEdward Tomasz Napierala targ = target_find(conf, name); 1089009ea47eSEdward Tomasz Napierala if (targ != NULL) { 1090f7ae5bf8SEdward Tomasz Napierala log_warnx("duplicated target \"%s\"", name); 1091009ea47eSEdward Tomasz Napierala return (NULL); 1092009ea47eSEdward Tomasz Napierala } 1093f7ae5bf8SEdward Tomasz Napierala if (valid_iscsi_name(name) == false) { 1094f7ae5bf8SEdward Tomasz Napierala log_warnx("target name \"%s\" is invalid", name); 1095009ea47eSEdward Tomasz Napierala return (NULL); 1096009ea47eSEdward Tomasz Napierala } 1097009ea47eSEdward Tomasz Napierala targ = calloc(1, sizeof(*targ)); 1098009ea47eSEdward Tomasz Napierala if (targ == NULL) 1099009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1100f7ae5bf8SEdward Tomasz Napierala targ->t_name = checked_strdup(name); 1101009ea47eSEdward Tomasz Napierala 1102009ea47eSEdward Tomasz Napierala /* 1103009ea47eSEdward Tomasz Napierala * RFC 3722 requires us to normalize the name to lowercase. 1104009ea47eSEdward Tomasz Napierala */ 1105f7ae5bf8SEdward Tomasz Napierala len = strlen(name); 1106009ea47eSEdward Tomasz Napierala for (i = 0; i < len; i++) 1107f7ae5bf8SEdward Tomasz Napierala targ->t_name[i] = tolower(targ->t_name[i]); 1108009ea47eSEdward Tomasz Napierala 1109009ea47eSEdward Tomasz Napierala TAILQ_INIT(&targ->t_luns); 1110009ea47eSEdward Tomasz Napierala targ->t_conf = conf; 1111009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_targets, targ, t_next); 1112009ea47eSEdward Tomasz Napierala 1113009ea47eSEdward Tomasz Napierala return (targ); 1114009ea47eSEdward Tomasz Napierala } 1115009ea47eSEdward Tomasz Napierala 1116009ea47eSEdward Tomasz Napierala void 1117009ea47eSEdward Tomasz Napierala target_delete(struct target *targ) 1118009ea47eSEdward Tomasz Napierala { 1119009ea47eSEdward Tomasz Napierala struct lun *lun, *tmp; 1120009ea47eSEdward Tomasz Napierala 1121009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&targ->t_conf->conf_targets, targ, t_next); 1122009ea47eSEdward Tomasz Napierala 1123009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lun, &targ->t_luns, l_next, tmp) 1124009ea47eSEdward Tomasz Napierala lun_delete(lun); 1125f7ae5bf8SEdward Tomasz Napierala free(targ->t_name); 1126009ea47eSEdward Tomasz Napierala free(targ); 1127009ea47eSEdward Tomasz Napierala } 1128009ea47eSEdward Tomasz Napierala 1129009ea47eSEdward Tomasz Napierala struct target * 1130f7ae5bf8SEdward Tomasz Napierala target_find(struct conf *conf, const char *name) 1131009ea47eSEdward Tomasz Napierala { 1132009ea47eSEdward Tomasz Napierala struct target *targ; 1133009ea47eSEdward Tomasz Napierala 1134009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1135f7ae5bf8SEdward Tomasz Napierala if (strcasecmp(targ->t_name, name) == 0) 1136009ea47eSEdward Tomasz Napierala return (targ); 1137009ea47eSEdward Tomasz Napierala } 1138009ea47eSEdward Tomasz Napierala 1139009ea47eSEdward Tomasz Napierala return (NULL); 1140009ea47eSEdward Tomasz Napierala } 1141009ea47eSEdward Tomasz Napierala 1142009ea47eSEdward Tomasz Napierala struct lun * 1143009ea47eSEdward Tomasz Napierala lun_new(struct target *targ, int lun_id) 1144009ea47eSEdward Tomasz Napierala { 1145009ea47eSEdward Tomasz Napierala struct lun *lun; 1146009ea47eSEdward Tomasz Napierala 1147009ea47eSEdward Tomasz Napierala lun = lun_find(targ, lun_id); 1148009ea47eSEdward Tomasz Napierala if (lun != NULL) { 1149009ea47eSEdward Tomasz Napierala log_warnx("duplicated lun %d for target \"%s\"", 1150f7ae5bf8SEdward Tomasz Napierala lun_id, targ->t_name); 1151009ea47eSEdward Tomasz Napierala return (NULL); 1152009ea47eSEdward Tomasz Napierala } 1153009ea47eSEdward Tomasz Napierala 1154009ea47eSEdward Tomasz Napierala lun = calloc(1, sizeof(*lun)); 1155009ea47eSEdward Tomasz Napierala if (lun == NULL) 1156009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1157009ea47eSEdward Tomasz Napierala lun->l_lun = lun_id; 1158009ea47eSEdward Tomasz Napierala TAILQ_INIT(&lun->l_options); 1159009ea47eSEdward Tomasz Napierala lun->l_target = targ; 1160009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&targ->t_luns, lun, l_next); 1161009ea47eSEdward Tomasz Napierala 1162009ea47eSEdward Tomasz Napierala return (lun); 1163009ea47eSEdward Tomasz Napierala } 1164009ea47eSEdward Tomasz Napierala 1165009ea47eSEdward Tomasz Napierala void 1166009ea47eSEdward Tomasz Napierala lun_delete(struct lun *lun) 1167009ea47eSEdward Tomasz Napierala { 1168009ea47eSEdward Tomasz Napierala struct lun_option *lo, *tmp; 1169009ea47eSEdward Tomasz Napierala 1170009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lun->l_target->t_luns, lun, l_next); 1171009ea47eSEdward Tomasz Napierala 1172009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lo, &lun->l_options, lo_next, tmp) 1173009ea47eSEdward Tomasz Napierala lun_option_delete(lo); 1174009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1175009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1176009ea47eSEdward Tomasz Napierala free(lun->l_path); 1177009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1178009ea47eSEdward Tomasz Napierala free(lun); 1179009ea47eSEdward Tomasz Napierala } 1180009ea47eSEdward Tomasz Napierala 1181009ea47eSEdward Tomasz Napierala struct lun * 1182d6093026SEdward Tomasz Napierala lun_find(const struct target *targ, int lun_id) 1183009ea47eSEdward Tomasz Napierala { 1184009ea47eSEdward Tomasz Napierala struct lun *lun; 1185009ea47eSEdward Tomasz Napierala 1186009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 1187009ea47eSEdward Tomasz Napierala if (lun->l_lun == lun_id) 1188009ea47eSEdward Tomasz Napierala return (lun); 1189009ea47eSEdward Tomasz Napierala } 1190009ea47eSEdward Tomasz Napierala 1191009ea47eSEdward Tomasz Napierala return (NULL); 1192009ea47eSEdward Tomasz Napierala } 1193009ea47eSEdward Tomasz Napierala 1194009ea47eSEdward Tomasz Napierala void 1195009ea47eSEdward Tomasz Napierala lun_set_backend(struct lun *lun, const char *value) 1196009ea47eSEdward Tomasz Napierala { 1197009ea47eSEdward Tomasz Napierala free(lun->l_backend); 1198009ea47eSEdward Tomasz Napierala lun->l_backend = checked_strdup(value); 1199009ea47eSEdward Tomasz Napierala } 1200009ea47eSEdward Tomasz Napierala 1201009ea47eSEdward Tomasz Napierala void 1202009ea47eSEdward Tomasz Napierala lun_set_blocksize(struct lun *lun, size_t value) 1203009ea47eSEdward Tomasz Napierala { 1204009ea47eSEdward Tomasz Napierala 1205009ea47eSEdward Tomasz Napierala lun->l_blocksize = value; 1206009ea47eSEdward Tomasz Napierala } 1207009ea47eSEdward Tomasz Napierala 1208009ea47eSEdward Tomasz Napierala void 1209009ea47eSEdward Tomasz Napierala lun_set_device_id(struct lun *lun, const char *value) 1210009ea47eSEdward Tomasz Napierala { 1211009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 1212009ea47eSEdward Tomasz Napierala lun->l_device_id = checked_strdup(value); 1213009ea47eSEdward Tomasz Napierala } 1214009ea47eSEdward Tomasz Napierala 1215009ea47eSEdward Tomasz Napierala void 1216009ea47eSEdward Tomasz Napierala lun_set_path(struct lun *lun, const char *value) 1217009ea47eSEdward Tomasz Napierala { 1218009ea47eSEdward Tomasz Napierala free(lun->l_path); 1219009ea47eSEdward Tomasz Napierala lun->l_path = checked_strdup(value); 1220009ea47eSEdward Tomasz Napierala } 1221009ea47eSEdward Tomasz Napierala 1222009ea47eSEdward Tomasz Napierala void 1223009ea47eSEdward Tomasz Napierala lun_set_serial(struct lun *lun, const char *value) 1224009ea47eSEdward Tomasz Napierala { 1225009ea47eSEdward Tomasz Napierala free(lun->l_serial); 1226009ea47eSEdward Tomasz Napierala lun->l_serial = checked_strdup(value); 1227009ea47eSEdward Tomasz Napierala } 1228009ea47eSEdward Tomasz Napierala 1229009ea47eSEdward Tomasz Napierala void 1230009ea47eSEdward Tomasz Napierala lun_set_size(struct lun *lun, size_t value) 1231009ea47eSEdward Tomasz Napierala { 1232009ea47eSEdward Tomasz Napierala 1233009ea47eSEdward Tomasz Napierala lun->l_size = value; 1234009ea47eSEdward Tomasz Napierala } 1235009ea47eSEdward Tomasz Napierala 1236009ea47eSEdward Tomasz Napierala void 1237009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(struct lun *lun, uint32_t value) 1238009ea47eSEdward Tomasz Napierala { 1239009ea47eSEdward Tomasz Napierala 1240009ea47eSEdward Tomasz Napierala lun->l_ctl_lun = value; 1241009ea47eSEdward Tomasz Napierala } 1242009ea47eSEdward Tomasz Napierala 1243009ea47eSEdward Tomasz Napierala struct lun_option * 1244009ea47eSEdward Tomasz Napierala lun_option_new(struct lun *lun, const char *name, const char *value) 1245009ea47eSEdward Tomasz Napierala { 1246009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1247009ea47eSEdward Tomasz Napierala 1248009ea47eSEdward Tomasz Napierala lo = lun_option_find(lun, name); 1249009ea47eSEdward Tomasz Napierala if (lo != NULL) { 1250009ea47eSEdward Tomasz Napierala log_warnx("duplicated lun option %s for lun %d, target \"%s\"", 1251f7ae5bf8SEdward Tomasz Napierala name, lun->l_lun, lun->l_target->t_name); 1252009ea47eSEdward Tomasz Napierala return (NULL); 1253009ea47eSEdward Tomasz Napierala } 1254009ea47eSEdward Tomasz Napierala 1255009ea47eSEdward Tomasz Napierala lo = calloc(1, sizeof(*lo)); 1256009ea47eSEdward Tomasz Napierala if (lo == NULL) 1257009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1258009ea47eSEdward Tomasz Napierala lo->lo_name = checked_strdup(name); 1259009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 1260009ea47eSEdward Tomasz Napierala lo->lo_lun = lun; 1261009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&lun->l_options, lo, lo_next); 1262009ea47eSEdward Tomasz Napierala 1263009ea47eSEdward Tomasz Napierala return (lo); 1264009ea47eSEdward Tomasz Napierala } 1265009ea47eSEdward Tomasz Napierala 1266009ea47eSEdward Tomasz Napierala void 1267009ea47eSEdward Tomasz Napierala lun_option_delete(struct lun_option *lo) 1268009ea47eSEdward Tomasz Napierala { 1269009ea47eSEdward Tomasz Napierala 1270009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lo->lo_lun->l_options, lo, lo_next); 1271009ea47eSEdward Tomasz Napierala 1272009ea47eSEdward Tomasz Napierala free(lo->lo_name); 1273009ea47eSEdward Tomasz Napierala free(lo->lo_value); 1274009ea47eSEdward Tomasz Napierala free(lo); 1275009ea47eSEdward Tomasz Napierala } 1276009ea47eSEdward Tomasz Napierala 1277009ea47eSEdward Tomasz Napierala struct lun_option * 1278d6093026SEdward Tomasz Napierala lun_option_find(const struct lun *lun, const char *name) 1279009ea47eSEdward Tomasz Napierala { 1280009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1281009ea47eSEdward Tomasz Napierala 1282009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 1283009ea47eSEdward Tomasz Napierala if (strcmp(lo->lo_name, name) == 0) 1284009ea47eSEdward Tomasz Napierala return (lo); 1285009ea47eSEdward Tomasz Napierala } 1286009ea47eSEdward Tomasz Napierala 1287009ea47eSEdward Tomasz Napierala return (NULL); 1288009ea47eSEdward Tomasz Napierala } 1289009ea47eSEdward Tomasz Napierala 1290009ea47eSEdward Tomasz Napierala void 1291009ea47eSEdward Tomasz Napierala lun_option_set(struct lun_option *lo, const char *value) 1292009ea47eSEdward Tomasz Napierala { 1293009ea47eSEdward Tomasz Napierala 1294009ea47eSEdward Tomasz Napierala free(lo->lo_value); 1295009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 1296009ea47eSEdward Tomasz Napierala } 1297009ea47eSEdward Tomasz Napierala 1298009ea47eSEdward Tomasz Napierala static struct connection * 1299073edb1cSAlexander Motin connection_new(struct portal *portal, int fd, const char *host, 1300073edb1cSAlexander Motin const struct sockaddr *client_sa) 1301009ea47eSEdward Tomasz Napierala { 1302009ea47eSEdward Tomasz Napierala struct connection *conn; 1303009ea47eSEdward Tomasz Napierala 1304009ea47eSEdward Tomasz Napierala conn = calloc(1, sizeof(*conn)); 1305009ea47eSEdward Tomasz Napierala if (conn == NULL) 1306009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1307009ea47eSEdward Tomasz Napierala conn->conn_portal = portal; 1308009ea47eSEdward Tomasz Napierala conn->conn_socket = fd; 1309009ea47eSEdward Tomasz Napierala conn->conn_initiator_addr = checked_strdup(host); 1310073edb1cSAlexander Motin memcpy(&conn->conn_initiator_sa, client_sa, client_sa->sa_len); 1311009ea47eSEdward Tomasz Napierala 1312009ea47eSEdward Tomasz Napierala /* 1313009ea47eSEdward Tomasz Napierala * Default values, from RFC 3720, section 12. 1314009ea47eSEdward Tomasz Napierala */ 1315009ea47eSEdward Tomasz Napierala conn->conn_max_data_segment_length = 8192; 1316009ea47eSEdward Tomasz Napierala conn->conn_max_burst_length = 262144; 1317009ea47eSEdward Tomasz Napierala conn->conn_immediate_data = true; 1318009ea47eSEdward Tomasz Napierala 1319009ea47eSEdward Tomasz Napierala return (conn); 1320009ea47eSEdward Tomasz Napierala } 1321009ea47eSEdward Tomasz Napierala 1322009ea47eSEdward Tomasz Napierala #if 0 1323009ea47eSEdward Tomasz Napierala static void 1324009ea47eSEdward Tomasz Napierala conf_print(struct conf *conf) 1325009ea47eSEdward Tomasz Napierala { 1326009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1327009ea47eSEdward Tomasz Napierala struct auth *auth; 13288cb2e958SEdward Tomasz Napierala struct auth_name *auth_name; 13298cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal; 1330009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1331009ea47eSEdward Tomasz Napierala struct portal *portal; 1332009ea47eSEdward Tomasz Napierala struct target *targ; 1333009ea47eSEdward Tomasz Napierala struct lun *lun; 1334009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1335009ea47eSEdward Tomasz Napierala 1336009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1337009ea47eSEdward Tomasz Napierala fprintf(stderr, "auth-group %s {\n", ag->ag_name); 1338009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) 1339009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t chap-mutual %s %s %s %s\n", 1340009ea47eSEdward Tomasz Napierala auth->a_user, auth->a_secret, 1341009ea47eSEdward Tomasz Napierala auth->a_mutual_user, auth->a_mutual_secret); 13428cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) 13438cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-name %s\n", 13448cb2e958SEdward Tomasz Napierala auth_name->an_initator_name); 13458cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_portal, &ag->ag_portals, an_next) 13468cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-portal %s\n", 13478cb2e958SEdward Tomasz Napierala auth_portal->an_initator_portal); 1348009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1349009ea47eSEdward Tomasz Napierala } 1350009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1351009ea47eSEdward Tomasz Napierala fprintf(stderr, "portal-group %s {\n", pg->pg_name); 1352009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1353009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t listen %s\n", portal->p_listen); 1354009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1355009ea47eSEdward Tomasz Napierala } 1356009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1357f7ae5bf8SEdward Tomasz Napierala fprintf(stderr, "target %s {\n", targ->t_name); 1358009ea47eSEdward Tomasz Napierala if (targ->t_alias != NULL) 1359009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t alias %s\n", targ->t_alias); 1360009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 1361009ea47eSEdward Tomasz Napierala fprintf(stderr, "\tlun %d {\n", lun->l_lun); 1362009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\tpath %s\n", lun->l_path); 1363009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) 1364009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\toption %s %s\n", 1365009ea47eSEdward Tomasz Napierala lo->lo_name, lo->lo_value); 1366009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t}\n"); 1367009ea47eSEdward Tomasz Napierala } 1368009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1369009ea47eSEdward Tomasz Napierala } 1370009ea47eSEdward Tomasz Napierala } 1371009ea47eSEdward Tomasz Napierala #endif 1372009ea47eSEdward Tomasz Napierala 13732fabfaa5SEdward Tomasz Napierala static int 13742fabfaa5SEdward Tomasz Napierala conf_verify_lun(struct lun *lun) 13752fabfaa5SEdward Tomasz Napierala { 13762fabfaa5SEdward Tomasz Napierala const struct lun *lun2; 1377a19eebb1SEdward Tomasz Napierala const struct target *targ2; 13782fabfaa5SEdward Tomasz Napierala 13792fabfaa5SEdward Tomasz Napierala if (lun->l_backend == NULL) 13802fabfaa5SEdward Tomasz Napierala lun_set_backend(lun, "block"); 13812fabfaa5SEdward Tomasz Napierala if (strcmp(lun->l_backend, "block") == 0) { 13822fabfaa5SEdward Tomasz Napierala if (lun->l_path == NULL) { 13832fabfaa5SEdward Tomasz Napierala log_warnx("missing path for lun %d, target \"%s\"", 1384f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name); 13852fabfaa5SEdward Tomasz Napierala return (1); 13862fabfaa5SEdward Tomasz Napierala } 13872fabfaa5SEdward Tomasz Napierala } else if (strcmp(lun->l_backend, "ramdisk") == 0) { 13882fabfaa5SEdward Tomasz Napierala if (lun->l_size == 0) { 13892fabfaa5SEdward Tomasz Napierala log_warnx("missing size for ramdisk-backed lun %d, " 1390f7ae5bf8SEdward Tomasz Napierala "target \"%s\"", lun->l_lun, lun->l_target->t_name); 13912fabfaa5SEdward Tomasz Napierala return (1); 13922fabfaa5SEdward Tomasz Napierala } 13932fabfaa5SEdward Tomasz Napierala if (lun->l_path != NULL) { 13942fabfaa5SEdward Tomasz Napierala log_warnx("path must not be specified " 13952fabfaa5SEdward Tomasz Napierala "for ramdisk-backed lun %d, target \"%s\"", 1396f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name); 13972fabfaa5SEdward Tomasz Napierala return (1); 13982fabfaa5SEdward Tomasz Napierala } 13992fabfaa5SEdward Tomasz Napierala } 14002fabfaa5SEdward Tomasz Napierala if (lun->l_lun < 0 || lun->l_lun > 255) { 14012fabfaa5SEdward Tomasz Napierala log_warnx("invalid lun number for lun %d, target \"%s\"; " 14022fabfaa5SEdward Tomasz Napierala "must be between 0 and 255", lun->l_lun, 1403f7ae5bf8SEdward Tomasz Napierala lun->l_target->t_name); 14042fabfaa5SEdward Tomasz Napierala return (1); 14052fabfaa5SEdward Tomasz Napierala } 14062fabfaa5SEdward Tomasz Napierala if (lun->l_blocksize == 0) { 14072fabfaa5SEdward Tomasz Napierala lun_set_blocksize(lun, DEFAULT_BLOCKSIZE); 14082fabfaa5SEdward Tomasz Napierala } else if (lun->l_blocksize < 0) { 14092fabfaa5SEdward Tomasz Napierala log_warnx("invalid blocksize for lun %d, target \"%s\"; " 1410f7ae5bf8SEdward Tomasz Napierala "must be larger than 0", lun->l_lun, lun->l_target->t_name); 14112fabfaa5SEdward Tomasz Napierala return (1); 14122fabfaa5SEdward Tomasz Napierala } 14132fabfaa5SEdward Tomasz Napierala if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) { 14142fabfaa5SEdward Tomasz Napierala log_warnx("invalid size for lun %d, target \"%s\"; " 14152fabfaa5SEdward Tomasz Napierala "must be multiple of blocksize", lun->l_lun, 1416f7ae5bf8SEdward Tomasz Napierala lun->l_target->t_name); 14172fabfaa5SEdward Tomasz Napierala return (1); 14182fabfaa5SEdward Tomasz Napierala } 1419a19eebb1SEdward Tomasz Napierala TAILQ_FOREACH(targ2, &lun->l_target->t_conf->conf_targets, t_next) { 1420a19eebb1SEdward Tomasz Napierala TAILQ_FOREACH(lun2, &targ2->t_luns, l_next) { 1421a19eebb1SEdward Tomasz Napierala if (lun == lun2) 1422a19eebb1SEdward Tomasz Napierala continue; 1423a19eebb1SEdward Tomasz Napierala if (lun->l_path != NULL && lun2->l_path != NULL && 1424a19eebb1SEdward Tomasz Napierala strcmp(lun->l_path, lun2->l_path) == 0) { 1425a19eebb1SEdward Tomasz Napierala log_debugx("WARNING: path \"%s\" duplicated " 1426a19eebb1SEdward Tomasz Napierala "between lun %d, target \"%s\", and " 1427a19eebb1SEdward Tomasz Napierala "lun %d, target \"%s\"", lun->l_path, 1428f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name, 1429f7ae5bf8SEdward Tomasz Napierala lun2->l_lun, lun2->l_target->t_name); 1430a19eebb1SEdward Tomasz Napierala } 1431a19eebb1SEdward Tomasz Napierala } 1432a19eebb1SEdward Tomasz Napierala } 14332fabfaa5SEdward Tomasz Napierala 14342fabfaa5SEdward Tomasz Napierala return (0); 14352fabfaa5SEdward Tomasz Napierala } 14362fabfaa5SEdward Tomasz Napierala 1437009ea47eSEdward Tomasz Napierala int 1438009ea47eSEdward Tomasz Napierala conf_verify(struct conf *conf) 1439009ea47eSEdward Tomasz Napierala { 1440009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1441009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1442009ea47eSEdward Tomasz Napierala struct target *targ; 14432fabfaa5SEdward Tomasz Napierala struct lun *lun; 14444e5c38f8SEdward Tomasz Napierala bool found; 14452fabfaa5SEdward Tomasz Napierala int error; 1446009ea47eSEdward Tomasz Napierala 1447009ea47eSEdward Tomasz Napierala if (conf->conf_pidfile_path == NULL) 1448009ea47eSEdward Tomasz Napierala conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE); 1449009ea47eSEdward Tomasz Napierala 1450009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1451009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == NULL) { 1452e7977549SEdward Tomasz Napierala targ->t_auth_group = auth_group_find(conf, 1453e7977549SEdward Tomasz Napierala "default"); 1454e7977549SEdward Tomasz Napierala assert(targ->t_auth_group != NULL); 1455009ea47eSEdward Tomasz Napierala } 1456009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == NULL) { 1457009ea47eSEdward Tomasz Napierala targ->t_portal_group = portal_group_find(conf, 1458009ea47eSEdward Tomasz Napierala "default"); 1459009ea47eSEdward Tomasz Napierala assert(targ->t_portal_group != NULL); 1460009ea47eSEdward Tomasz Napierala } 14614e5c38f8SEdward Tomasz Napierala found = false; 1462009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 14632fabfaa5SEdward Tomasz Napierala error = conf_verify_lun(lun); 14642fabfaa5SEdward Tomasz Napierala if (error != 0) 14652fabfaa5SEdward Tomasz Napierala return (error); 14664e5c38f8SEdward Tomasz Napierala found = true; 1467009ea47eSEdward Tomasz Napierala } 14684e5c38f8SEdward Tomasz Napierala if (!found) { 146919b59f13SEdward Tomasz Napierala log_warnx("no LUNs defined for target \"%s\"", 147019b59f13SEdward Tomasz Napierala targ->t_name); 1471009ea47eSEdward Tomasz Napierala } 1472009ea47eSEdward Tomasz Napierala } 1473009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1474009ea47eSEdward Tomasz Napierala assert(pg->pg_name != NULL); 1475009ea47eSEdward Tomasz Napierala if (pg->pg_discovery_auth_group == NULL) { 1476009ea47eSEdward Tomasz Napierala pg->pg_discovery_auth_group = 1477ccb1f04dSEdward Tomasz Napierala auth_group_find(conf, "default"); 1478009ea47eSEdward Tomasz Napierala assert(pg->pg_discovery_auth_group != NULL); 1479009ea47eSEdward Tomasz Napierala } 1480009ea47eSEdward Tomasz Napierala 1481009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1482009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == pg) 1483009ea47eSEdward Tomasz Napierala break; 1484009ea47eSEdward Tomasz Napierala } 1485009ea47eSEdward Tomasz Napierala if (targ == NULL) { 1486009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, "default") != 0) 1487009ea47eSEdward Tomasz Napierala log_warnx("portal-group \"%s\" not assigned " 1488009ea47eSEdward Tomasz Napierala "to any target", pg->pg_name); 1489009ea47eSEdward Tomasz Napierala pg->pg_unassigned = true; 1490009ea47eSEdward Tomasz Napierala } else 1491009ea47eSEdward Tomasz Napierala pg->pg_unassigned = false; 1492009ea47eSEdward Tomasz Napierala } 1493009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1494009ea47eSEdward Tomasz Napierala if (ag->ag_name == NULL) 1495009ea47eSEdward Tomasz Napierala assert(ag->ag_target != NULL); 1496009ea47eSEdward Tomasz Napierala else 1497009ea47eSEdward Tomasz Napierala assert(ag->ag_target == NULL); 1498009ea47eSEdward Tomasz Napierala 14994e5c38f8SEdward Tomasz Napierala found = false; 1500009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 15014e5c38f8SEdward Tomasz Napierala if (targ->t_auth_group == ag) { 15024e5c38f8SEdward Tomasz Napierala found = true; 1503009ea47eSEdward Tomasz Napierala break; 1504009ea47eSEdward Tomasz Napierala } 15054e5c38f8SEdward Tomasz Napierala } 15064e5c38f8SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 15074e5c38f8SEdward Tomasz Napierala if (pg->pg_discovery_auth_group == ag) { 15084e5c38f8SEdward Tomasz Napierala found = true; 15094e5c38f8SEdward Tomasz Napierala break; 15104e5c38f8SEdward Tomasz Napierala } 15114e5c38f8SEdward Tomasz Napierala } 15124e5c38f8SEdward Tomasz Napierala if (!found && ag->ag_name != NULL && 1513ccb1f04dSEdward Tomasz Napierala strcmp(ag->ag_name, "default") != 0 && 1514009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-authentication") != 0 && 1515009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-access") != 0) { 1516009ea47eSEdward Tomasz Napierala log_warnx("auth-group \"%s\" not assigned " 1517009ea47eSEdward Tomasz Napierala "to any target", ag->ag_name); 1518009ea47eSEdward Tomasz Napierala } 1519009ea47eSEdward Tomasz Napierala } 1520009ea47eSEdward Tomasz Napierala 1521009ea47eSEdward Tomasz Napierala return (0); 1522009ea47eSEdward Tomasz Napierala } 1523009ea47eSEdward Tomasz Napierala 1524009ea47eSEdward Tomasz Napierala static int 1525009ea47eSEdward Tomasz Napierala conf_apply(struct conf *oldconf, struct conf *newconf) 1526009ea47eSEdward Tomasz Napierala { 1527009ea47eSEdward Tomasz Napierala struct target *oldtarg, *newtarg, *tmptarg; 1528009ea47eSEdward Tomasz Napierala struct lun *oldlun, *newlun, *tmplun; 1529009ea47eSEdward Tomasz Napierala struct portal_group *oldpg, *newpg; 1530009ea47eSEdward Tomasz Napierala struct portal *oldp, *newp; 1531*829603e2SAlexander Motin struct isns *oldns, *newns; 1532009ea47eSEdward Tomasz Napierala pid_t otherpid; 1533009ea47eSEdward Tomasz Napierala int changed, cumulated_error = 0, error; 1534009ea47eSEdward Tomasz Napierala int one = 1; 1535009ea47eSEdward Tomasz Napierala 1536009ea47eSEdward Tomasz Napierala if (oldconf->conf_debug != newconf->conf_debug) { 1537009ea47eSEdward Tomasz Napierala log_debugx("changing debug level to %d", newconf->conf_debug); 1538009ea47eSEdward Tomasz Napierala log_init(newconf->conf_debug); 1539009ea47eSEdward Tomasz Napierala } 1540009ea47eSEdward Tomasz Napierala 1541009ea47eSEdward Tomasz Napierala if (oldconf->conf_pidfh != NULL) { 1542009ea47eSEdward Tomasz Napierala assert(oldconf->conf_pidfile_path != NULL); 1543009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfile_path != NULL && 1544009ea47eSEdward Tomasz Napierala strcmp(oldconf->conf_pidfile_path, 1545009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path) == 0) { 1546009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = oldconf->conf_pidfh; 1547009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1548009ea47eSEdward Tomasz Napierala } else { 1549009ea47eSEdward Tomasz Napierala log_debugx("removing pidfile %s", 1550009ea47eSEdward Tomasz Napierala oldconf->conf_pidfile_path); 1551009ea47eSEdward Tomasz Napierala pidfile_remove(oldconf->conf_pidfh); 1552009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1553009ea47eSEdward Tomasz Napierala } 1554009ea47eSEdward Tomasz Napierala } 1555009ea47eSEdward Tomasz Napierala 1556009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL && newconf->conf_pidfile_path != NULL) { 1557009ea47eSEdward Tomasz Napierala log_debugx("opening pidfile %s", newconf->conf_pidfile_path); 1558009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = 1559009ea47eSEdward Tomasz Napierala pidfile_open(newconf->conf_pidfile_path, 0600, &otherpid); 1560009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL) { 1561009ea47eSEdward Tomasz Napierala if (errno == EEXIST) 1562009ea47eSEdward Tomasz Napierala log_errx(1, "daemon already running, pid: %jd.", 1563009ea47eSEdward Tomasz Napierala (intmax_t)otherpid); 1564009ea47eSEdward Tomasz Napierala log_err(1, "cannot open or create pidfile \"%s\"", 1565009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path); 1566009ea47eSEdward Tomasz Napierala } 1567009ea47eSEdward Tomasz Napierala } 1568009ea47eSEdward Tomasz Napierala 1569*829603e2SAlexander Motin /* Deregister on removed iSNS servers. */ 1570*829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 1571*829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 1572*829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 1573*829603e2SAlexander Motin break; 1574*829603e2SAlexander Motin } 1575*829603e2SAlexander Motin if (newns == NULL) 1576*829603e2SAlexander Motin isns_deregister(oldns); 1577*829603e2SAlexander Motin } 1578*829603e2SAlexander Motin 1579d5e316e5SEdward Tomasz Napierala /* 1580d5e316e5SEdward Tomasz Napierala * XXX: If target or lun removal fails, we should somehow "move" 1581d5e316e5SEdward Tomasz Napierala * the old lun or target into newconf, so that subsequent 158261a2a354SEdward Tomasz Napierala * conf_apply() would try to remove them again. That would 158361a2a354SEdward Tomasz Napierala * be somewhat hairy, though, and lun deletion failures don't 158461a2a354SEdward Tomasz Napierala * really happen, so leave it as it is for now. 1585d5e316e5SEdward Tomasz Napierala */ 1586009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldtarg, &oldconf->conf_targets, t_next, tmptarg) { 1587009ea47eSEdward Tomasz Napierala /* 1588009ea47eSEdward Tomasz Napierala * First, remove any targets present in the old configuration 1589009ea47eSEdward Tomasz Napierala * and missing in the new one. 1590009ea47eSEdward Tomasz Napierala */ 1591f7ae5bf8SEdward Tomasz Napierala newtarg = target_find(newconf, oldtarg->t_name); 1592009ea47eSEdward Tomasz Napierala if (newtarg == NULL) { 1593009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldlun, &oldtarg->t_luns, l_next, 1594009ea47eSEdward Tomasz Napierala tmplun) { 1595cadf3831SEdward Tomasz Napierala log_debugx("target %s not found in new " 1596cadf3831SEdward Tomasz Napierala "configuration; removing its lun %d, " 1597009ea47eSEdward Tomasz Napierala "backed by CTL lun %d", 1598f7ae5bf8SEdward Tomasz Napierala oldtarg->t_name, oldlun->l_lun, 1599009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1600009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1601009ea47eSEdward Tomasz Napierala if (error != 0) { 1602009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1603009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1604f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1605009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1606009ea47eSEdward Tomasz Napierala cumulated_error++; 1607009ea47eSEdward Tomasz Napierala } 1608009ea47eSEdward Tomasz Napierala } 1609917d38fbSAlexander Motin kernel_port_remove(oldtarg); 1610009ea47eSEdward Tomasz Napierala continue; 1611009ea47eSEdward Tomasz Napierala } 1612009ea47eSEdward Tomasz Napierala 1613009ea47eSEdward Tomasz Napierala /* 1614009ea47eSEdward Tomasz Napierala * Second, remove any LUNs present in the old target 1615009ea47eSEdward Tomasz Napierala * and missing in the new one. 1616009ea47eSEdward Tomasz Napierala */ 1617009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldlun, &oldtarg->t_luns, l_next, tmplun) { 1618009ea47eSEdward Tomasz Napierala newlun = lun_find(newtarg, oldlun->l_lun); 1619009ea47eSEdward Tomasz Napierala if (newlun == NULL) { 1620009ea47eSEdward Tomasz Napierala log_debugx("lun %d, target %s, CTL lun %d " 1621cadf3831SEdward Tomasz Napierala "not found in new configuration; " 1622f7ae5bf8SEdward Tomasz Napierala "removing", oldlun->l_lun, oldtarg->t_name, 1623009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1624009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1625009ea47eSEdward Tomasz Napierala if (error != 0) { 1626009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1627009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1628f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1629009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1630009ea47eSEdward Tomasz Napierala cumulated_error++; 1631009ea47eSEdward Tomasz Napierala } 1632009ea47eSEdward Tomasz Napierala continue; 1633009ea47eSEdward Tomasz Napierala } 1634009ea47eSEdward Tomasz Napierala 1635009ea47eSEdward Tomasz Napierala /* 1636009ea47eSEdward Tomasz Napierala * Also remove the LUNs changed by more than size. 1637009ea47eSEdward Tomasz Napierala */ 1638009ea47eSEdward Tomasz Napierala changed = 0; 1639009ea47eSEdward Tomasz Napierala assert(oldlun->l_backend != NULL); 1640009ea47eSEdward Tomasz Napierala assert(newlun->l_backend != NULL); 1641009ea47eSEdward Tomasz Napierala if (strcmp(newlun->l_backend, oldlun->l_backend) != 0) { 1642009ea47eSEdward Tomasz Napierala log_debugx("backend for lun %d, target %s, " 1643009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1644f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1645009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1646009ea47eSEdward Tomasz Napierala changed = 1; 1647009ea47eSEdward Tomasz Napierala } 1648009ea47eSEdward Tomasz Napierala if (oldlun->l_blocksize != newlun->l_blocksize) { 1649009ea47eSEdward Tomasz Napierala log_debugx("blocksize for lun %d, target %s, " 1650009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1651f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1652009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1653009ea47eSEdward Tomasz Napierala changed = 1; 1654009ea47eSEdward Tomasz Napierala } 1655009ea47eSEdward Tomasz Napierala if (newlun->l_device_id != NULL && 1656009ea47eSEdward Tomasz Napierala (oldlun->l_device_id == NULL || 1657009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_device_id, newlun->l_device_id) != 1658009ea47eSEdward Tomasz Napierala 0)) { 1659009ea47eSEdward Tomasz Napierala log_debugx("device-id for lun %d, target %s, " 1660009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1661f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1662009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1663009ea47eSEdward Tomasz Napierala changed = 1; 1664009ea47eSEdward Tomasz Napierala } 1665009ea47eSEdward Tomasz Napierala if (newlun->l_path != NULL && 1666009ea47eSEdward Tomasz Napierala (oldlun->l_path == NULL || 1667009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_path, newlun->l_path) != 0)) { 1668009ea47eSEdward Tomasz Napierala log_debugx("path for lun %d, target %s, " 1669009ea47eSEdward Tomasz Napierala "CTL lun %d, changed; removing", 1670f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1671009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1672009ea47eSEdward Tomasz Napierala changed = 1; 1673009ea47eSEdward Tomasz Napierala } 1674009ea47eSEdward Tomasz Napierala if (newlun->l_serial != NULL && 1675009ea47eSEdward Tomasz Napierala (oldlun->l_serial == NULL || 1676009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_serial, newlun->l_serial) != 0)) { 1677009ea47eSEdward Tomasz Napierala log_debugx("serial for lun %d, target %s, " 1678009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1679f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1680009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1681009ea47eSEdward Tomasz Napierala changed = 1; 1682009ea47eSEdward Tomasz Napierala } 1683009ea47eSEdward Tomasz Napierala if (changed) { 1684009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1685009ea47eSEdward Tomasz Napierala if (error != 0) { 1686009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1687009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1688f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1689009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1690009ea47eSEdward Tomasz Napierala cumulated_error++; 1691009ea47eSEdward Tomasz Napierala } 1692009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1693009ea47eSEdward Tomasz Napierala continue; 1694009ea47eSEdward Tomasz Napierala } 1695009ea47eSEdward Tomasz Napierala 1696009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(newlun, oldlun->l_ctl_lun); 1697009ea47eSEdward Tomasz Napierala } 1698009ea47eSEdward Tomasz Napierala } 1699009ea47eSEdward Tomasz Napierala 1700009ea47eSEdward Tomasz Napierala /* 1701009ea47eSEdward Tomasz Napierala * Now add new targets or modify existing ones. 1702009ea47eSEdward Tomasz Napierala */ 1703009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newtarg, &newconf->conf_targets, t_next) { 1704f7ae5bf8SEdward Tomasz Napierala oldtarg = target_find(oldconf, newtarg->t_name); 1705009ea47eSEdward Tomasz Napierala 1706d5e316e5SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(newlun, &newtarg->t_luns, l_next, tmplun) { 1707009ea47eSEdward Tomasz Napierala if (oldtarg != NULL) { 1708009ea47eSEdward Tomasz Napierala oldlun = lun_find(oldtarg, newlun->l_lun); 1709009ea47eSEdward Tomasz Napierala if (oldlun != NULL) { 17108cf98331SAlexander Motin if (newlun->l_size != oldlun->l_size || 17118cf98331SAlexander Motin newlun->l_size == 0) { 1712009ea47eSEdward Tomasz Napierala log_debugx("resizing lun %d, " 1713009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1714009ea47eSEdward Tomasz Napierala newlun->l_lun, 1715f7ae5bf8SEdward Tomasz Napierala newtarg->t_name, 1716009ea47eSEdward Tomasz Napierala newlun->l_ctl_lun); 1717009ea47eSEdward Tomasz Napierala error = 1718009ea47eSEdward Tomasz Napierala kernel_lun_resize(newlun); 1719009ea47eSEdward Tomasz Napierala if (error != 0) { 1720009ea47eSEdward Tomasz Napierala log_warnx("failed to " 1721009ea47eSEdward Tomasz Napierala "resize lun %d, " 1722009ea47eSEdward Tomasz Napierala "target %s, " 1723009ea47eSEdward Tomasz Napierala "CTL lun %d", 1724009ea47eSEdward Tomasz Napierala newlun->l_lun, 1725f7ae5bf8SEdward Tomasz Napierala newtarg->t_name, 1726009ea47eSEdward Tomasz Napierala newlun->l_lun); 1727009ea47eSEdward Tomasz Napierala cumulated_error++; 1728009ea47eSEdward Tomasz Napierala } 1729009ea47eSEdward Tomasz Napierala } 1730009ea47eSEdward Tomasz Napierala continue; 1731009ea47eSEdward Tomasz Napierala } 1732009ea47eSEdward Tomasz Napierala } 1733009ea47eSEdward Tomasz Napierala log_debugx("adding lun %d, target %s", 1734f7ae5bf8SEdward Tomasz Napierala newlun->l_lun, newtarg->t_name); 1735009ea47eSEdward Tomasz Napierala error = kernel_lun_add(newlun); 1736009ea47eSEdward Tomasz Napierala if (error != 0) { 1737009ea47eSEdward Tomasz Napierala log_warnx("failed to add lun %d, target %s", 1738f7ae5bf8SEdward Tomasz Napierala newlun->l_lun, newtarg->t_name); 1739d5e316e5SEdward Tomasz Napierala lun_delete(newlun); 1740009ea47eSEdward Tomasz Napierala cumulated_error++; 1741009ea47eSEdward Tomasz Napierala } 1742009ea47eSEdward Tomasz Napierala } 1743917d38fbSAlexander Motin if (oldtarg == NULL) 1744917d38fbSAlexander Motin kernel_port_add(newtarg); 1745009ea47eSEdward Tomasz Napierala } 1746009ea47eSEdward Tomasz Napierala 1747009ea47eSEdward Tomasz Napierala /* 1748009ea47eSEdward Tomasz Napierala * Go through the new portals, opening the sockets as neccessary. 1749009ea47eSEdward Tomasz Napierala */ 1750009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1751009ea47eSEdward Tomasz Napierala if (newpg->pg_unassigned) { 1752009ea47eSEdward Tomasz Napierala log_debugx("not listening on portal-group \"%s\", " 1753009ea47eSEdward Tomasz Napierala "not assigned to any target", 1754009ea47eSEdward Tomasz Napierala newpg->pg_name); 1755009ea47eSEdward Tomasz Napierala continue; 1756009ea47eSEdward Tomasz Napierala } 1757009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newp, &newpg->pg_portals, p_next) { 1758009ea47eSEdward Tomasz Napierala /* 1759009ea47eSEdward Tomasz Napierala * Try to find already open portal and reuse 1760009ea47eSEdward Tomasz Napierala * the listening socket. We don't care about 1761009ea47eSEdward Tomasz Napierala * what portal or portal group that was, what 1762009ea47eSEdward Tomasz Napierala * matters is the listening address. 1763009ea47eSEdward Tomasz Napierala */ 1764009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, 1765009ea47eSEdward Tomasz Napierala pg_next) { 1766009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, 1767009ea47eSEdward Tomasz Napierala p_next) { 1768009ea47eSEdward Tomasz Napierala if (strcmp(newp->p_listen, 1769009ea47eSEdward Tomasz Napierala oldp->p_listen) == 0 && 1770009ea47eSEdward Tomasz Napierala oldp->p_socket > 0) { 1771009ea47eSEdward Tomasz Napierala newp->p_socket = 1772009ea47eSEdward Tomasz Napierala oldp->p_socket; 1773009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1774009ea47eSEdward Tomasz Napierala break; 1775009ea47eSEdward Tomasz Napierala } 1776009ea47eSEdward Tomasz Napierala } 1777009ea47eSEdward Tomasz Napierala } 1778009ea47eSEdward Tomasz Napierala if (newp->p_socket > 0) { 1779009ea47eSEdward Tomasz Napierala /* 1780009ea47eSEdward Tomasz Napierala * We're done with this portal. 1781009ea47eSEdward Tomasz Napierala */ 1782009ea47eSEdward Tomasz Napierala continue; 1783009ea47eSEdward Tomasz Napierala } 1784009ea47eSEdward Tomasz Napierala 1785009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1786ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 17878cab2ed4SEdward Tomasz Napierala newpg->pg_conf->conf_portal_id++; 17888cab2ed4SEdward Tomasz Napierala newp->p_id = newpg->pg_conf->conf_portal_id; 17898cab2ed4SEdward Tomasz Napierala log_debugx("listening on %s, portal-group " 17908cab2ed4SEdward Tomasz Napierala "\"%s\", portal id %d, using ICL proxy", 17918cab2ed4SEdward Tomasz Napierala newp->p_listen, newpg->pg_name, newp->p_id); 17928cab2ed4SEdward Tomasz Napierala kernel_listen(newp->p_ai, newp->p_iser, 17938cab2ed4SEdward Tomasz Napierala newp->p_id); 1794ba3a2d31SEdward Tomasz Napierala continue; 1795ba3a2d31SEdward Tomasz Napierala } 1796ba3a2d31SEdward Tomasz Napierala #endif 1797ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 1798009ea47eSEdward Tomasz Napierala assert(newp->p_iser == false); 1799009ea47eSEdward Tomasz Napierala 1800009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\"", 1801009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 1802009ea47eSEdward Tomasz Napierala newp->p_socket = socket(newp->p_ai->ai_family, 1803009ea47eSEdward Tomasz Napierala newp->p_ai->ai_socktype, 1804009ea47eSEdward Tomasz Napierala newp->p_ai->ai_protocol); 1805009ea47eSEdward Tomasz Napierala if (newp->p_socket < 0) { 1806009ea47eSEdward Tomasz Napierala log_warn("socket(2) failed for %s", 1807009ea47eSEdward Tomasz Napierala newp->p_listen); 1808009ea47eSEdward Tomasz Napierala cumulated_error++; 1809009ea47eSEdward Tomasz Napierala continue; 1810009ea47eSEdward Tomasz Napierala } 1811009ea47eSEdward Tomasz Napierala error = setsockopt(newp->p_socket, SOL_SOCKET, 1812009ea47eSEdward Tomasz Napierala SO_REUSEADDR, &one, sizeof(one)); 1813009ea47eSEdward Tomasz Napierala if (error != 0) { 1814009ea47eSEdward Tomasz Napierala log_warn("setsockopt(SO_REUSEADDR) failed " 1815009ea47eSEdward Tomasz Napierala "for %s", newp->p_listen); 1816009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1817009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1818009ea47eSEdward Tomasz Napierala cumulated_error++; 1819009ea47eSEdward Tomasz Napierala continue; 1820009ea47eSEdward Tomasz Napierala } 1821009ea47eSEdward Tomasz Napierala error = bind(newp->p_socket, newp->p_ai->ai_addr, 1822009ea47eSEdward Tomasz Napierala newp->p_ai->ai_addrlen); 1823009ea47eSEdward Tomasz Napierala if (error != 0) { 1824009ea47eSEdward Tomasz Napierala log_warn("bind(2) failed for %s", 1825009ea47eSEdward Tomasz Napierala newp->p_listen); 1826009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1827009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1828009ea47eSEdward Tomasz Napierala cumulated_error++; 1829009ea47eSEdward Tomasz Napierala continue; 1830009ea47eSEdward Tomasz Napierala } 1831009ea47eSEdward Tomasz Napierala error = listen(newp->p_socket, -1); 1832009ea47eSEdward Tomasz Napierala if (error != 0) { 1833009ea47eSEdward Tomasz Napierala log_warn("listen(2) failed for %s", 1834009ea47eSEdward Tomasz Napierala newp->p_listen); 1835009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1836009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1837009ea47eSEdward Tomasz Napierala cumulated_error++; 1838009ea47eSEdward Tomasz Napierala continue; 1839009ea47eSEdward Tomasz Napierala } 1840009ea47eSEdward Tomasz Napierala } 1841009ea47eSEdward Tomasz Napierala } 1842009ea47eSEdward Tomasz Napierala 1843009ea47eSEdward Tomasz Napierala /* 1844009ea47eSEdward Tomasz Napierala * Go through the no longer used sockets, closing them. 1845009ea47eSEdward Tomasz Napierala */ 1846009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, pg_next) { 1847009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, p_next) { 1848009ea47eSEdward Tomasz Napierala if (oldp->p_socket <= 0) 1849009ea47eSEdward Tomasz Napierala continue; 1850009ea47eSEdward Tomasz Napierala log_debugx("closing socket for %s, portal-group \"%s\"", 1851009ea47eSEdward Tomasz Napierala oldp->p_listen, oldpg->pg_name); 1852009ea47eSEdward Tomasz Napierala close(oldp->p_socket); 1853009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1854009ea47eSEdward Tomasz Napierala } 1855009ea47eSEdward Tomasz Napierala } 1856009ea47eSEdward Tomasz Napierala 1857*829603e2SAlexander Motin /* (Re-)Register on remaining/new iSNS servers. */ 1858*829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) { 1859*829603e2SAlexander Motin TAILQ_FOREACH(oldns, &oldconf->conf_isns, i_next) { 1860*829603e2SAlexander Motin if (strcmp(oldns->i_addr, newns->i_addr) == 0) 1861*829603e2SAlexander Motin break; 1862*829603e2SAlexander Motin } 1863*829603e2SAlexander Motin isns_register(newns, oldns); 1864*829603e2SAlexander Motin } 1865*829603e2SAlexander Motin 1866*829603e2SAlexander Motin /* Schedule iSNS update */ 1867*829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 1868*829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 1869*829603e2SAlexander Motin 1870009ea47eSEdward Tomasz Napierala return (cumulated_error); 1871009ea47eSEdward Tomasz Napierala } 1872009ea47eSEdward Tomasz Napierala 1873009ea47eSEdward Tomasz Napierala bool 1874009ea47eSEdward Tomasz Napierala timed_out(void) 1875009ea47eSEdward Tomasz Napierala { 1876009ea47eSEdward Tomasz Napierala 1877009ea47eSEdward Tomasz Napierala return (sigalrm_received); 1878009ea47eSEdward Tomasz Napierala } 1879009ea47eSEdward Tomasz Napierala 1880009ea47eSEdward Tomasz Napierala static void 1881*829603e2SAlexander Motin sigalrm_handler_fatal(int dummy __unused) 1882009ea47eSEdward Tomasz Napierala { 1883009ea47eSEdward Tomasz Napierala /* 1884009ea47eSEdward Tomasz Napierala * It would be easiest to just log an error and exit. We can't 1885009ea47eSEdward Tomasz Napierala * do this, though, because log_errx() is not signal safe, since 1886009ea47eSEdward Tomasz Napierala * it calls syslog(3). Instead, set a flag checked by pdu_send() 1887009ea47eSEdward Tomasz Napierala * and pdu_receive(), to call log_errx() there. Should they fail 1888009ea47eSEdward Tomasz Napierala * to notice, we'll exit here one second later. 1889009ea47eSEdward Tomasz Napierala */ 1890009ea47eSEdward Tomasz Napierala if (sigalrm_received) { 1891009ea47eSEdward Tomasz Napierala /* 1892009ea47eSEdward Tomasz Napierala * Oh well. Just give up and quit. 1893009ea47eSEdward Tomasz Napierala */ 1894009ea47eSEdward Tomasz Napierala _exit(2); 1895009ea47eSEdward Tomasz Napierala } 1896009ea47eSEdward Tomasz Napierala 1897009ea47eSEdward Tomasz Napierala sigalrm_received = true; 1898009ea47eSEdward Tomasz Napierala } 1899009ea47eSEdward Tomasz Napierala 1900009ea47eSEdward Tomasz Napierala static void 1901*829603e2SAlexander Motin sigalrm_handler(int dummy __unused) 1902*829603e2SAlexander Motin { 1903*829603e2SAlexander Motin 1904*829603e2SAlexander Motin sigalrm_received = true; 1905*829603e2SAlexander Motin } 1906*829603e2SAlexander Motin 1907*829603e2SAlexander Motin void 1908*829603e2SAlexander Motin set_timeout(int timeout, int fatal) 1909009ea47eSEdward Tomasz Napierala { 1910009ea47eSEdward Tomasz Napierala struct sigaction sa; 1911009ea47eSEdward Tomasz Napierala struct itimerval itv; 1912009ea47eSEdward Tomasz Napierala int error; 1913009ea47eSEdward Tomasz Napierala 1914*829603e2SAlexander Motin if (timeout <= 0) { 1915009ea47eSEdward Tomasz Napierala log_debugx("session timeout disabled"); 1916*829603e2SAlexander Motin bzero(&itv, sizeof(itv)); 1917*829603e2SAlexander Motin error = setitimer(ITIMER_REAL, &itv, NULL); 1918*829603e2SAlexander Motin if (error != 0) 1919*829603e2SAlexander Motin log_err(1, "setitimer"); 1920*829603e2SAlexander Motin sigalrm_received = false; 1921009ea47eSEdward Tomasz Napierala return; 1922009ea47eSEdward Tomasz Napierala } 1923009ea47eSEdward Tomasz Napierala 1924*829603e2SAlexander Motin sigalrm_received = false; 1925009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 1926*829603e2SAlexander Motin if (fatal) 1927*829603e2SAlexander Motin sa.sa_handler = sigalrm_handler_fatal; 1928*829603e2SAlexander Motin else 1929009ea47eSEdward Tomasz Napierala sa.sa_handler = sigalrm_handler; 1930009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 1931009ea47eSEdward Tomasz Napierala error = sigaction(SIGALRM, &sa, NULL); 1932009ea47eSEdward Tomasz Napierala if (error != 0) 1933009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1934009ea47eSEdward Tomasz Napierala 1935009ea47eSEdward Tomasz Napierala /* 1936009ea47eSEdward Tomasz Napierala * First SIGALRM will arive after conf_timeout seconds. 1937009ea47eSEdward Tomasz Napierala * If we do nothing, another one will arrive a second later. 1938009ea47eSEdward Tomasz Napierala */ 1939*829603e2SAlexander Motin log_debugx("setting session timeout to %d seconds", timeout); 1940009ea47eSEdward Tomasz Napierala bzero(&itv, sizeof(itv)); 1941009ea47eSEdward Tomasz Napierala itv.it_interval.tv_sec = 1; 1942*829603e2SAlexander Motin itv.it_value.tv_sec = timeout; 1943009ea47eSEdward Tomasz Napierala error = setitimer(ITIMER_REAL, &itv, NULL); 1944009ea47eSEdward Tomasz Napierala if (error != 0) 1945009ea47eSEdward Tomasz Napierala log_err(1, "setitimer"); 1946009ea47eSEdward Tomasz Napierala } 1947009ea47eSEdward Tomasz Napierala 1948009ea47eSEdward Tomasz Napierala static int 1949009ea47eSEdward Tomasz Napierala wait_for_children(bool block) 1950009ea47eSEdward Tomasz Napierala { 1951009ea47eSEdward Tomasz Napierala pid_t pid; 1952009ea47eSEdward Tomasz Napierala int status; 1953009ea47eSEdward Tomasz Napierala int num = 0; 1954009ea47eSEdward Tomasz Napierala 1955009ea47eSEdward Tomasz Napierala for (;;) { 1956009ea47eSEdward Tomasz Napierala /* 1957009ea47eSEdward Tomasz Napierala * If "block" is true, wait for at least one process. 1958009ea47eSEdward Tomasz Napierala */ 1959009ea47eSEdward Tomasz Napierala if (block && num == 0) 1960009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, 0, NULL); 1961009ea47eSEdward Tomasz Napierala else 1962009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, WNOHANG, NULL); 1963009ea47eSEdward Tomasz Napierala if (pid <= 0) 1964009ea47eSEdward Tomasz Napierala break; 1965009ea47eSEdward Tomasz Napierala if (WIFSIGNALED(status)) { 1966009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with signal %d", 1967009ea47eSEdward Tomasz Napierala pid, WTERMSIG(status)); 1968009ea47eSEdward Tomasz Napierala } else if (WEXITSTATUS(status) != 0) { 1969009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with exit status %d", 1970009ea47eSEdward Tomasz Napierala pid, WEXITSTATUS(status)); 1971009ea47eSEdward Tomasz Napierala } else { 1972009ea47eSEdward Tomasz Napierala log_debugx("child process %d terminated gracefully", pid); 1973009ea47eSEdward Tomasz Napierala } 1974009ea47eSEdward Tomasz Napierala num++; 1975009ea47eSEdward Tomasz Napierala } 1976009ea47eSEdward Tomasz Napierala 1977009ea47eSEdward Tomasz Napierala return (num); 1978009ea47eSEdward Tomasz Napierala } 1979009ea47eSEdward Tomasz Napierala 1980009ea47eSEdward Tomasz Napierala static void 19818eab95d6SEdward Tomasz Napierala handle_connection(struct portal *portal, int fd, 1982073edb1cSAlexander Motin const struct sockaddr *client_sa, bool dont_fork) 1983009ea47eSEdward Tomasz Napierala { 1984009ea47eSEdward Tomasz Napierala struct connection *conn; 1985009ea47eSEdward Tomasz Napierala int error; 1986009ea47eSEdward Tomasz Napierala pid_t pid; 1987009ea47eSEdward Tomasz Napierala char host[NI_MAXHOST + 1]; 1988009ea47eSEdward Tomasz Napierala struct conf *conf; 1989009ea47eSEdward Tomasz Napierala 1990009ea47eSEdward Tomasz Napierala conf = portal->p_portal_group->pg_conf; 1991009ea47eSEdward Tomasz Napierala 1992009ea47eSEdward Tomasz Napierala if (dont_fork) { 1993009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; not forking due to -d flag"); 1994009ea47eSEdward Tomasz Napierala } else { 1995009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 1996009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1997009ea47eSEdward Tomasz Napierala 1998009ea47eSEdward Tomasz Napierala while (conf->conf_maxproc > 0 && nchildren >= conf->conf_maxproc) { 1999009ea47eSEdward Tomasz Napierala log_debugx("maxproc limit of %d child processes hit; " 2000009ea47eSEdward Tomasz Napierala "waiting for child process to exit", conf->conf_maxproc); 2001009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(true); 2002009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2003009ea47eSEdward Tomasz Napierala } 2004009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; forking child process #%d", 2005009ea47eSEdward Tomasz Napierala nchildren); 2006009ea47eSEdward Tomasz Napierala nchildren++; 2007009ea47eSEdward Tomasz Napierala pid = fork(); 2008009ea47eSEdward Tomasz Napierala if (pid < 0) 2009009ea47eSEdward Tomasz Napierala log_err(1, "fork"); 2010009ea47eSEdward Tomasz Napierala if (pid > 0) { 2011009ea47eSEdward Tomasz Napierala close(fd); 2012009ea47eSEdward Tomasz Napierala return; 2013009ea47eSEdward Tomasz Napierala } 2014009ea47eSEdward Tomasz Napierala } 2015009ea47eSEdward Tomasz Napierala pidfile_close(conf->conf_pidfh); 2016009ea47eSEdward Tomasz Napierala 2017073edb1cSAlexander Motin error = getnameinfo(client_sa, client_sa->sa_len, 2018009ea47eSEdward Tomasz Napierala host, sizeof(host), NULL, 0, NI_NUMERICHOST); 2019009ea47eSEdward Tomasz Napierala if (error != 0) 20209a95cfffSEdward Tomasz Napierala log_errx(1, "getnameinfo: %s", gai_strerror(error)); 2021009ea47eSEdward Tomasz Napierala 2022009ea47eSEdward Tomasz Napierala log_debugx("accepted connection from %s; portal group \"%s\"", 2023009ea47eSEdward Tomasz Napierala host, portal->p_portal_group->pg_name); 2024009ea47eSEdward Tomasz Napierala log_set_peer_addr(host); 2025009ea47eSEdward Tomasz Napierala setproctitle("%s", host); 2026009ea47eSEdward Tomasz Napierala 2027073edb1cSAlexander Motin conn = connection_new(portal, fd, host, client_sa); 2028*829603e2SAlexander Motin set_timeout(conf->conf_timeout, true); 2029009ea47eSEdward Tomasz Napierala kernel_capsicate(); 2030009ea47eSEdward Tomasz Napierala login(conn); 2031009ea47eSEdward Tomasz Napierala if (conn->conn_session_type == CONN_SESSION_TYPE_NORMAL) { 2032009ea47eSEdward Tomasz Napierala kernel_handoff(conn); 2033009ea47eSEdward Tomasz Napierala log_debugx("connection handed off to the kernel"); 2034009ea47eSEdward Tomasz Napierala } else { 2035009ea47eSEdward Tomasz Napierala assert(conn->conn_session_type == CONN_SESSION_TYPE_DISCOVERY); 2036009ea47eSEdward Tomasz Napierala discovery(conn); 2037009ea47eSEdward Tomasz Napierala } 2038009ea47eSEdward Tomasz Napierala log_debugx("nothing more to do; exiting"); 2039009ea47eSEdward Tomasz Napierala exit(0); 2040009ea47eSEdward Tomasz Napierala } 2041009ea47eSEdward Tomasz Napierala 2042009ea47eSEdward Tomasz Napierala static int 2043009ea47eSEdward Tomasz Napierala fd_add(int fd, fd_set *fdset, int nfds) 2044009ea47eSEdward Tomasz Napierala { 2045009ea47eSEdward Tomasz Napierala 2046009ea47eSEdward Tomasz Napierala /* 2047009ea47eSEdward Tomasz Napierala * Skip sockets which we failed to bind. 2048009ea47eSEdward Tomasz Napierala */ 2049009ea47eSEdward Tomasz Napierala if (fd <= 0) 2050009ea47eSEdward Tomasz Napierala return (nfds); 2051009ea47eSEdward Tomasz Napierala 2052009ea47eSEdward Tomasz Napierala FD_SET(fd, fdset); 2053009ea47eSEdward Tomasz Napierala if (fd > nfds) 2054009ea47eSEdward Tomasz Napierala nfds = fd; 2055009ea47eSEdward Tomasz Napierala return (nfds); 2056009ea47eSEdward Tomasz Napierala } 2057009ea47eSEdward Tomasz Napierala 2058009ea47eSEdward Tomasz Napierala static void 2059009ea47eSEdward Tomasz Napierala main_loop(struct conf *conf, bool dont_fork) 2060009ea47eSEdward Tomasz Napierala { 2061009ea47eSEdward Tomasz Napierala struct portal_group *pg; 2062009ea47eSEdward Tomasz Napierala struct portal *portal; 20639a95cfffSEdward Tomasz Napierala struct sockaddr_storage client_sa; 20649a95cfffSEdward Tomasz Napierala socklen_t client_salen; 2065009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2066009ea47eSEdward Tomasz Napierala int connection_id; 20678cab2ed4SEdward Tomasz Napierala int portal_id; 2068ba3a2d31SEdward Tomasz Napierala #endif 2069009ea47eSEdward Tomasz Napierala fd_set fdset; 2070009ea47eSEdward Tomasz Napierala int error, nfds, client_fd; 2071009ea47eSEdward Tomasz Napierala 2072009ea47eSEdward Tomasz Napierala pidfile_write(conf->conf_pidfh); 2073009ea47eSEdward Tomasz Napierala 2074009ea47eSEdward Tomasz Napierala for (;;) { 2075*829603e2SAlexander Motin if (sighup_received || sigterm_received || timed_out()) 2076009ea47eSEdward Tomasz Napierala return; 2077009ea47eSEdward Tomasz Napierala 2078009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2079ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 20808eab95d6SEdward Tomasz Napierala client_salen = sizeof(client_sa); 20818eab95d6SEdward Tomasz Napierala kernel_accept(&connection_id, &portal_id, 20828eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, &client_salen); 20830488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 2084009ea47eSEdward Tomasz Napierala 20858cab2ed4SEdward Tomasz Napierala log_debugx("incoming connection, id %d, portal id %d", 20868cab2ed4SEdward Tomasz Napierala connection_id, portal_id); 20878cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 20888cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 20898cab2ed4SEdward Tomasz Napierala if (portal->p_id == portal_id) { 20908cab2ed4SEdward Tomasz Napierala goto found; 20918cab2ed4SEdward Tomasz Napierala } 20928cab2ed4SEdward Tomasz Napierala } 20938cab2ed4SEdward Tomasz Napierala } 2094009ea47eSEdward Tomasz Napierala 20958cab2ed4SEdward Tomasz Napierala log_errx(1, "kernel returned invalid portal_id %d", 20968cab2ed4SEdward Tomasz Napierala portal_id); 20978cab2ed4SEdward Tomasz Napierala 20988cab2ed4SEdward Tomasz Napierala found: 20998eab95d6SEdward Tomasz Napierala handle_connection(portal, connection_id, 2100073edb1cSAlexander Motin (struct sockaddr *)&client_sa, dont_fork); 2101ba3a2d31SEdward Tomasz Napierala } else { 2102ba3a2d31SEdward Tomasz Napierala #endif 2103ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 2104ba3a2d31SEdward Tomasz Napierala 2105009ea47eSEdward Tomasz Napierala FD_ZERO(&fdset); 2106009ea47eSEdward Tomasz Napierala nfds = 0; 2107009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2108009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 2109009ea47eSEdward Tomasz Napierala nfds = fd_add(portal->p_socket, &fdset, nfds); 2110009ea47eSEdward Tomasz Napierala } 2111009ea47eSEdward Tomasz Napierala error = select(nfds + 1, &fdset, NULL, NULL, NULL); 2112009ea47eSEdward Tomasz Napierala if (error <= 0) { 2113009ea47eSEdward Tomasz Napierala if (errno == EINTR) 2114009ea47eSEdward Tomasz Napierala return; 2115009ea47eSEdward Tomasz Napierala log_err(1, "select"); 2116009ea47eSEdward Tomasz Napierala } 2117009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 2118009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 2119009ea47eSEdward Tomasz Napierala if (!FD_ISSET(portal->p_socket, &fdset)) 2120009ea47eSEdward Tomasz Napierala continue; 21219a95cfffSEdward Tomasz Napierala client_salen = sizeof(client_sa); 21229a95cfffSEdward Tomasz Napierala client_fd = accept(portal->p_socket, 21239a95cfffSEdward Tomasz Napierala (struct sockaddr *)&client_sa, 21249a95cfffSEdward Tomasz Napierala &client_salen); 2125009ea47eSEdward Tomasz Napierala if (client_fd < 0) 2126009ea47eSEdward Tomasz Napierala log_err(1, "accept"); 21270488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 21280488e848SEdward Tomasz Napierala 21299a95cfffSEdward Tomasz Napierala handle_connection(portal, client_fd, 21308eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, 2131073edb1cSAlexander Motin dont_fork); 2132009ea47eSEdward Tomasz Napierala break; 2133009ea47eSEdward Tomasz Napierala } 2134009ea47eSEdward Tomasz Napierala } 2135ba3a2d31SEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 2136ba3a2d31SEdward Tomasz Napierala } 2137ba3a2d31SEdward Tomasz Napierala #endif 2138009ea47eSEdward Tomasz Napierala } 2139009ea47eSEdward Tomasz Napierala } 2140009ea47eSEdward Tomasz Napierala 2141009ea47eSEdward Tomasz Napierala static void 2142009ea47eSEdward Tomasz Napierala sighup_handler(int dummy __unused) 2143009ea47eSEdward Tomasz Napierala { 2144009ea47eSEdward Tomasz Napierala 2145009ea47eSEdward Tomasz Napierala sighup_received = true; 2146009ea47eSEdward Tomasz Napierala } 2147009ea47eSEdward Tomasz Napierala 2148009ea47eSEdward Tomasz Napierala static void 2149009ea47eSEdward Tomasz Napierala sigterm_handler(int dummy __unused) 2150009ea47eSEdward Tomasz Napierala { 2151009ea47eSEdward Tomasz Napierala 2152009ea47eSEdward Tomasz Napierala sigterm_received = true; 2153009ea47eSEdward Tomasz Napierala } 2154009ea47eSEdward Tomasz Napierala 2155009ea47eSEdward Tomasz Napierala static void 215670b939ecSEdward Tomasz Napierala sigchld_handler(int dummy __unused) 215770b939ecSEdward Tomasz Napierala { 215870b939ecSEdward Tomasz Napierala 215970b939ecSEdward Tomasz Napierala /* 216070b939ecSEdward Tomasz Napierala * The only purpose of this handler is to make SIGCHLD 216170b939ecSEdward Tomasz Napierala * interrupt the ISCSIDWAIT ioctl(2), so we can call 216270b939ecSEdward Tomasz Napierala * wait_for_children(). 216370b939ecSEdward Tomasz Napierala */ 216470b939ecSEdward Tomasz Napierala } 216570b939ecSEdward Tomasz Napierala 216670b939ecSEdward Tomasz Napierala static void 2167009ea47eSEdward Tomasz Napierala register_signals(void) 2168009ea47eSEdward Tomasz Napierala { 2169009ea47eSEdward Tomasz Napierala struct sigaction sa; 2170009ea47eSEdward Tomasz Napierala int error; 2171009ea47eSEdward Tomasz Napierala 2172009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 2173009ea47eSEdward Tomasz Napierala sa.sa_handler = sighup_handler; 2174009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 2175009ea47eSEdward Tomasz Napierala error = sigaction(SIGHUP, &sa, NULL); 2176009ea47eSEdward Tomasz Napierala if (error != 0) 2177009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2178009ea47eSEdward Tomasz Napierala 2179009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2180009ea47eSEdward Tomasz Napierala error = sigaction(SIGTERM, &sa, NULL); 2181009ea47eSEdward Tomasz Napierala if (error != 0) 2182009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 2183009ea47eSEdward Tomasz Napierala 2184009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 2185009ea47eSEdward Tomasz Napierala error = sigaction(SIGINT, &sa, NULL); 2186009ea47eSEdward Tomasz Napierala if (error != 0) 2187009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 218870b939ecSEdward Tomasz Napierala 218970b939ecSEdward Tomasz Napierala sa.sa_handler = sigchld_handler; 219070b939ecSEdward Tomasz Napierala error = sigaction(SIGCHLD, &sa, NULL); 219170b939ecSEdward Tomasz Napierala if (error != 0) 219270b939ecSEdward Tomasz Napierala log_err(1, "sigaction"); 2193009ea47eSEdward Tomasz Napierala } 2194009ea47eSEdward Tomasz Napierala 2195009ea47eSEdward Tomasz Napierala int 2196009ea47eSEdward Tomasz Napierala main(int argc, char **argv) 2197009ea47eSEdward Tomasz Napierala { 2198009ea47eSEdward Tomasz Napierala struct conf *oldconf, *newconf, *tmpconf; 2199*829603e2SAlexander Motin struct isns *newns; 2200009ea47eSEdward Tomasz Napierala const char *config_path = DEFAULT_CONFIG_PATH; 2201009ea47eSEdward Tomasz Napierala int debug = 0, ch, error; 2202009ea47eSEdward Tomasz Napierala bool dont_daemonize = false; 2203009ea47eSEdward Tomasz Napierala 2204ba3a2d31SEdward Tomasz Napierala while ((ch = getopt(argc, argv, "df:R")) != -1) { 2205009ea47eSEdward Tomasz Napierala switch (ch) { 2206009ea47eSEdward Tomasz Napierala case 'd': 2207009ea47eSEdward Tomasz Napierala dont_daemonize = true; 2208009ea47eSEdward Tomasz Napierala debug++; 2209009ea47eSEdward Tomasz Napierala break; 2210009ea47eSEdward Tomasz Napierala case 'f': 2211009ea47eSEdward Tomasz Napierala config_path = optarg; 2212009ea47eSEdward Tomasz Napierala break; 2213ba3a2d31SEdward Tomasz Napierala case 'R': 2214ba3a2d31SEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 2215ba3a2d31SEdward Tomasz Napierala log_errx(1, "ctld(8) compiled without ICL_KERNEL_PROXY " 2216ba3a2d31SEdward Tomasz Napierala "does not support iSER protocol"); 2217ba3a2d31SEdward Tomasz Napierala #endif 2218ba3a2d31SEdward Tomasz Napierala proxy_mode = true; 2219ba3a2d31SEdward Tomasz Napierala break; 2220009ea47eSEdward Tomasz Napierala case '?': 2221009ea47eSEdward Tomasz Napierala default: 2222009ea47eSEdward Tomasz Napierala usage(); 2223009ea47eSEdward Tomasz Napierala } 2224009ea47eSEdward Tomasz Napierala } 2225009ea47eSEdward Tomasz Napierala argc -= optind; 2226009ea47eSEdward Tomasz Napierala if (argc != 0) 2227009ea47eSEdward Tomasz Napierala usage(); 2228009ea47eSEdward Tomasz Napierala 2229009ea47eSEdward Tomasz Napierala log_init(debug); 2230009ea47eSEdward Tomasz Napierala kernel_init(); 2231009ea47eSEdward Tomasz Napierala 2232009ea47eSEdward Tomasz Napierala oldconf = conf_new_from_kernel(); 2233009ea47eSEdward Tomasz Napierala newconf = conf_new_from_file(config_path); 2234009ea47eSEdward Tomasz Napierala if (newconf == NULL) 2235fe845cdbSEdward Tomasz Napierala log_errx(1, "configuration error; exiting"); 2236009ea47eSEdward Tomasz Napierala if (debug > 0) { 2237009ea47eSEdward Tomasz Napierala oldconf->conf_debug = debug; 2238009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2239009ea47eSEdward Tomasz Napierala } 2240009ea47eSEdward Tomasz Napierala 2241009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2242009ea47eSEdward Tomasz Napierala if (error != 0) 2243fe845cdbSEdward Tomasz Napierala log_errx(1, "failed to apply configuration; exiting"); 2244fe845cdbSEdward Tomasz Napierala 2245009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2246009ea47eSEdward Tomasz Napierala oldconf = NULL; 2247009ea47eSEdward Tomasz Napierala 2248009ea47eSEdward Tomasz Napierala register_signals(); 2249009ea47eSEdward Tomasz Napierala 22505d5a95f1SEdward Tomasz Napierala if (dont_daemonize == false) { 22515d5a95f1SEdward Tomasz Napierala log_debugx("daemonizing"); 22525d5a95f1SEdward Tomasz Napierala if (daemon(0, 0) == -1) { 22535d5a95f1SEdward Tomasz Napierala log_warn("cannot daemonize"); 22545d5a95f1SEdward Tomasz Napierala pidfile_remove(newconf->conf_pidfh); 22555d5a95f1SEdward Tomasz Napierala exit(1); 22565d5a95f1SEdward Tomasz Napierala } 22575d5a95f1SEdward Tomasz Napierala } 22585d5a95f1SEdward Tomasz Napierala 2259*829603e2SAlexander Motin /* Schedule iSNS update */ 2260*829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) 2261*829603e2SAlexander Motin set_timeout((newconf->conf_isns_period + 2) / 3, false); 2262*829603e2SAlexander Motin 2263009ea47eSEdward Tomasz Napierala for (;;) { 2264009ea47eSEdward Tomasz Napierala main_loop(newconf, dont_daemonize); 2265009ea47eSEdward Tomasz Napierala if (sighup_received) { 2266009ea47eSEdward Tomasz Napierala sighup_received = false; 2267009ea47eSEdward Tomasz Napierala log_debugx("received SIGHUP, reloading configuration"); 2268009ea47eSEdward Tomasz Napierala tmpconf = conf_new_from_file(config_path); 2269009ea47eSEdward Tomasz Napierala if (tmpconf == NULL) { 2270009ea47eSEdward Tomasz Napierala log_warnx("configuration error, " 2271009ea47eSEdward Tomasz Napierala "continuing with old configuration"); 2272009ea47eSEdward Tomasz Napierala } else { 2273009ea47eSEdward Tomasz Napierala if (debug > 0) 2274009ea47eSEdward Tomasz Napierala tmpconf->conf_debug = debug; 2275009ea47eSEdward Tomasz Napierala oldconf = newconf; 2276009ea47eSEdward Tomasz Napierala newconf = tmpconf; 2277009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2278009ea47eSEdward Tomasz Napierala if (error != 0) 2279009ea47eSEdward Tomasz Napierala log_warnx("failed to reload " 2280009ea47eSEdward Tomasz Napierala "configuration"); 2281009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 2282009ea47eSEdward Tomasz Napierala oldconf = NULL; 2283009ea47eSEdward Tomasz Napierala } 2284009ea47eSEdward Tomasz Napierala } else if (sigterm_received) { 2285009ea47eSEdward Tomasz Napierala log_debugx("exiting on signal; " 2286009ea47eSEdward Tomasz Napierala "reloading empty configuration"); 2287009ea47eSEdward Tomasz Napierala 2288009ea47eSEdward Tomasz Napierala log_debugx("disabling CTL iSCSI port " 2289009ea47eSEdward Tomasz Napierala "and terminating all connections"); 2290009ea47eSEdward Tomasz Napierala 2291009ea47eSEdward Tomasz Napierala oldconf = newconf; 2292009ea47eSEdward Tomasz Napierala newconf = conf_new(); 2293009ea47eSEdward Tomasz Napierala if (debug > 0) 2294009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 2295009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 2296009ea47eSEdward Tomasz Napierala if (error != 0) 2297009ea47eSEdward Tomasz Napierala log_warnx("failed to apply configuration"); 2298*829603e2SAlexander Motin conf_delete(oldconf); 2299*829603e2SAlexander Motin oldconf = NULL; 2300009ea47eSEdward Tomasz Napierala 2301009ea47eSEdward Tomasz Napierala log_warnx("exiting on signal"); 2302009ea47eSEdward Tomasz Napierala exit(0); 2303009ea47eSEdward Tomasz Napierala } else { 2304009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 2305009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 2306*829603e2SAlexander Motin if (timed_out()) { 2307*829603e2SAlexander Motin set_timeout(0, false); 2308*829603e2SAlexander Motin TAILQ_FOREACH(newns, &newconf->conf_isns, i_next) 2309*829603e2SAlexander Motin isns_check(newns); 2310*829603e2SAlexander Motin /* Schedule iSNS update */ 2311*829603e2SAlexander Motin if (!TAILQ_EMPTY(&newconf->conf_isns)) { 2312*829603e2SAlexander Motin set_timeout((newconf->conf_isns_period 2313*829603e2SAlexander Motin + 2) / 3, 2314*829603e2SAlexander Motin false); 2315*829603e2SAlexander Motin } 2316*829603e2SAlexander Motin } 2317009ea47eSEdward Tomasz Napierala } 2318009ea47eSEdward Tomasz Napierala } 2319009ea47eSEdward Tomasz Napierala /* NOTREACHED */ 2320009ea47eSEdward Tomasz Napierala } 2321