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 * $FreeBSD$ 30009ea47eSEdward Tomasz Napierala */ 31009ea47eSEdward Tomasz Napierala 32009ea47eSEdward Tomasz Napierala #include <sys/types.h> 33009ea47eSEdward Tomasz Napierala #include <sys/time.h> 34009ea47eSEdward Tomasz Napierala #include <sys/socket.h> 35009ea47eSEdward Tomasz Napierala #include <sys/wait.h> 36009ea47eSEdward Tomasz Napierala #include <netinet/in.h> 37009ea47eSEdward Tomasz Napierala #include <assert.h> 38009ea47eSEdward Tomasz Napierala #include <ctype.h> 39009ea47eSEdward Tomasz Napierala #include <errno.h> 40009ea47eSEdward Tomasz Napierala #include <netdb.h> 41009ea47eSEdward Tomasz Napierala #include <signal.h> 42009ea47eSEdward Tomasz Napierala #include <stdbool.h> 43009ea47eSEdward Tomasz Napierala #include <stdio.h> 44009ea47eSEdward Tomasz Napierala #include <stdint.h> 45009ea47eSEdward Tomasz Napierala #include <stdlib.h> 46009ea47eSEdward Tomasz Napierala #include <string.h> 47009ea47eSEdward Tomasz Napierala #include <unistd.h> 48009ea47eSEdward Tomasz Napierala 49009ea47eSEdward Tomasz Napierala #include "ctld.h" 50009ea47eSEdward Tomasz Napierala 51009ea47eSEdward Tomasz Napierala static volatile bool sighup_received = false; 52009ea47eSEdward Tomasz Napierala static volatile bool sigterm_received = false; 53009ea47eSEdward Tomasz Napierala static volatile bool sigalrm_received = false; 54009ea47eSEdward Tomasz Napierala 55009ea47eSEdward Tomasz Napierala static int nchildren = 0; 56009ea47eSEdward Tomasz Napierala 57009ea47eSEdward Tomasz Napierala static void 58009ea47eSEdward Tomasz Napierala usage(void) 59009ea47eSEdward Tomasz Napierala { 60009ea47eSEdward Tomasz Napierala 61009ea47eSEdward Tomasz Napierala fprintf(stderr, "usage: ctld [-d][-f config-file]\n"); 62009ea47eSEdward Tomasz Napierala exit(1); 63009ea47eSEdward Tomasz Napierala } 64009ea47eSEdward Tomasz Napierala 65009ea47eSEdward Tomasz Napierala char * 66009ea47eSEdward Tomasz Napierala checked_strdup(const char *s) 67009ea47eSEdward Tomasz Napierala { 68009ea47eSEdward Tomasz Napierala char *c; 69009ea47eSEdward Tomasz Napierala 70009ea47eSEdward Tomasz Napierala c = strdup(s); 71009ea47eSEdward Tomasz Napierala if (c == NULL) 72009ea47eSEdward Tomasz Napierala log_err(1, "strdup"); 73009ea47eSEdward Tomasz Napierala return (c); 74009ea47eSEdward Tomasz Napierala } 75009ea47eSEdward Tomasz Napierala 76009ea47eSEdward Tomasz Napierala struct conf * 77009ea47eSEdward Tomasz Napierala conf_new(void) 78009ea47eSEdward Tomasz Napierala { 79009ea47eSEdward Tomasz Napierala struct conf *conf; 80009ea47eSEdward Tomasz Napierala 81009ea47eSEdward Tomasz Napierala conf = calloc(1, sizeof(*conf)); 82009ea47eSEdward Tomasz Napierala if (conf == NULL) 83009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 84009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_targets); 85009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_auth_groups); 86009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_portal_groups); 87009ea47eSEdward Tomasz Napierala 88009ea47eSEdward Tomasz Napierala conf->conf_debug = 0; 89009ea47eSEdward Tomasz Napierala conf->conf_timeout = 60; 90009ea47eSEdward Tomasz Napierala conf->conf_maxproc = 30; 91009ea47eSEdward Tomasz Napierala 92009ea47eSEdward Tomasz Napierala return (conf); 93009ea47eSEdward Tomasz Napierala } 94009ea47eSEdward Tomasz Napierala 95009ea47eSEdward Tomasz Napierala void 96009ea47eSEdward Tomasz Napierala conf_delete(struct conf *conf) 97009ea47eSEdward Tomasz Napierala { 98009ea47eSEdward Tomasz Napierala struct target *targ, *tmp; 99009ea47eSEdward Tomasz Napierala struct auth_group *ag, *cagtmp; 100009ea47eSEdward Tomasz Napierala struct portal_group *pg, *cpgtmp; 101009ea47eSEdward Tomasz Napierala 102009ea47eSEdward Tomasz Napierala assert(conf->conf_pidfh == NULL); 103009ea47eSEdward Tomasz Napierala 104009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(targ, &conf->conf_targets, t_next, tmp) 105009ea47eSEdward Tomasz Napierala target_delete(targ); 106009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(ag, &conf->conf_auth_groups, ag_next, cagtmp) 107009ea47eSEdward Tomasz Napierala auth_group_delete(ag); 108009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(pg, &conf->conf_portal_groups, pg_next, cpgtmp) 109009ea47eSEdward Tomasz Napierala portal_group_delete(pg); 110009ea47eSEdward Tomasz Napierala free(conf->conf_pidfile_path); 111009ea47eSEdward Tomasz Napierala free(conf); 112009ea47eSEdward Tomasz Napierala } 113009ea47eSEdward Tomasz Napierala 114009ea47eSEdward Tomasz Napierala static struct auth * 115009ea47eSEdward Tomasz Napierala auth_new(struct auth_group *ag) 116009ea47eSEdward Tomasz Napierala { 117009ea47eSEdward Tomasz Napierala struct auth *auth; 118009ea47eSEdward Tomasz Napierala 119009ea47eSEdward Tomasz Napierala auth = calloc(1, sizeof(*auth)); 120009ea47eSEdward Tomasz Napierala if (auth == NULL) 121009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 122009ea47eSEdward Tomasz Napierala auth->a_auth_group = ag; 123009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_auths, auth, a_next); 124009ea47eSEdward Tomasz Napierala return (auth); 125009ea47eSEdward Tomasz Napierala } 126009ea47eSEdward Tomasz Napierala 127009ea47eSEdward Tomasz Napierala static void 128009ea47eSEdward Tomasz Napierala auth_delete(struct auth *auth) 129009ea47eSEdward Tomasz Napierala { 130009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&auth->a_auth_group->ag_auths, auth, a_next); 131009ea47eSEdward Tomasz Napierala 132009ea47eSEdward Tomasz Napierala free(auth->a_user); 133009ea47eSEdward Tomasz Napierala free(auth->a_secret); 134009ea47eSEdward Tomasz Napierala free(auth->a_mutual_user); 135009ea47eSEdward Tomasz Napierala free(auth->a_mutual_secret); 136009ea47eSEdward Tomasz Napierala free(auth); 137009ea47eSEdward Tomasz Napierala } 138009ea47eSEdward Tomasz Napierala 139009ea47eSEdward Tomasz Napierala const struct auth * 140009ea47eSEdward Tomasz Napierala auth_find(struct auth_group *ag, const char *user) 141009ea47eSEdward Tomasz Napierala { 142009ea47eSEdward Tomasz Napierala const struct auth *auth; 143009ea47eSEdward Tomasz Napierala 144009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) { 145009ea47eSEdward Tomasz Napierala if (strcmp(auth->a_user, user) == 0) 146009ea47eSEdward Tomasz Napierala return (auth); 147009ea47eSEdward Tomasz Napierala } 148009ea47eSEdward Tomasz Napierala 149009ea47eSEdward Tomasz Napierala return (NULL); 150009ea47eSEdward Tomasz Napierala } 151009ea47eSEdward Tomasz Napierala 1521658628dSEdward Tomasz Napierala static void 1531658628dSEdward Tomasz Napierala auth_check_secret_length(struct auth *auth) 1541658628dSEdward Tomasz Napierala { 1551658628dSEdward Tomasz Napierala size_t len; 1561658628dSEdward Tomasz Napierala 1571658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1581658628dSEdward Tomasz Napierala if (len > 16) { 1591658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1601658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1611658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1621658628dSEdward Tomasz Napierala "long", auth->a_user, auth->a_auth_group->ag_name); 1631658628dSEdward Tomasz Napierala else 1641658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1651658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1661658628dSEdward Tomasz Napierala "long", auth->a_user, 167f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1681658628dSEdward Tomasz Napierala } 1691658628dSEdward Tomasz Napierala if (len < 12) { 1701658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1711658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1721658628dSEdward Tomasz Napierala "is too short; it should be at least 12 characters " 1731658628dSEdward Tomasz Napierala "long", auth->a_user, 1741658628dSEdward Tomasz Napierala 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 short; it should be at least 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 1821658628dSEdward Tomasz Napierala if (auth->a_mutual_secret != NULL) { 1831658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1841658628dSEdward Tomasz Napierala if (len > 16) { 1851658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1861658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 1871658628dSEdward Tomasz Napierala "auth-group \"%s\", is too long; it should " 1881658628dSEdward Tomasz Napierala "be at most 16 characters long", 1891658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 1901658628dSEdward Tomasz Napierala else 1911658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 1921658628dSEdward Tomasz Napierala "target \"%s\", is too long; it should " 1931658628dSEdward Tomasz Napierala "be at most 16 characters long", 1941658628dSEdward Tomasz Napierala auth->a_user, 195f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1961658628dSEdward Tomasz Napierala } 1971658628dSEdward Tomasz Napierala if (len < 12) { 1981658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1991658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2001658628dSEdward Tomasz Napierala "auth-group \"%s\", is too short; it " 2011658628dSEdward Tomasz Napierala "should be at least 12 characters long", 2021658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2031658628dSEdward Tomasz Napierala else 2041658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2051658628dSEdward Tomasz Napierala "target \"%s\", is too short; it should be " 2061658628dSEdward Tomasz Napierala "at least 16 characters long", 2071658628dSEdward Tomasz Napierala auth->a_user, 208f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2091658628dSEdward Tomasz Napierala } 2101658628dSEdward Tomasz Napierala } 2111658628dSEdward Tomasz Napierala } 2121658628dSEdward Tomasz Napierala 2131658628dSEdward Tomasz Napierala const struct auth * 2141658628dSEdward Tomasz Napierala auth_new_chap(struct auth_group *ag, const char *user, 2151658628dSEdward Tomasz Napierala const char *secret) 2161658628dSEdward Tomasz Napierala { 2171658628dSEdward Tomasz Napierala struct auth *auth; 2181658628dSEdward Tomasz Napierala 2191658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2201658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP; 2211658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP) { 2221658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2231658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2241658628dSEdward Tomasz Napierala "other types for auth-group \"%s\"", ag->ag_name); 2251658628dSEdward Tomasz Napierala else 2261658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2271658628dSEdward Tomasz Napierala "other types for target \"%s\"", 228f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2291658628dSEdward Tomasz Napierala return (NULL); 2301658628dSEdward Tomasz Napierala } 2311658628dSEdward Tomasz Napierala 2321658628dSEdward Tomasz Napierala auth = auth_new(ag); 2331658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2341658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2351658628dSEdward Tomasz Napierala 2361658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2371658628dSEdward Tomasz Napierala 2381658628dSEdward Tomasz Napierala return (auth); 2391658628dSEdward Tomasz Napierala } 2401658628dSEdward Tomasz Napierala 2411658628dSEdward Tomasz Napierala const struct auth * 2421658628dSEdward Tomasz Napierala auth_new_chap_mutual(struct auth_group *ag, const char *user, 2431658628dSEdward Tomasz Napierala const char *secret, const char *user2, const char *secret2) 2441658628dSEdward Tomasz Napierala { 2451658628dSEdward Tomasz Napierala struct auth *auth; 2461658628dSEdward Tomasz Napierala 2471658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2481658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP_MUTUAL; 2491658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP_MUTUAL) { 2501658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2511658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2521658628dSEdward Tomasz Napierala "with other types for auth-group \"%s\"", 2531658628dSEdward Tomasz Napierala ag->ag_name); 2541658628dSEdward Tomasz Napierala else 2551658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2561658628dSEdward Tomasz Napierala "with other types for target \"%s\"", 257f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2581658628dSEdward Tomasz Napierala return (NULL); 2591658628dSEdward Tomasz Napierala } 2601658628dSEdward Tomasz Napierala 2611658628dSEdward Tomasz Napierala auth = auth_new(ag); 2621658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2631658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2641658628dSEdward Tomasz Napierala auth->a_mutual_user = checked_strdup(user2); 2651658628dSEdward Tomasz Napierala auth->a_mutual_secret = checked_strdup(secret2); 2661658628dSEdward Tomasz Napierala 2671658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2681658628dSEdward Tomasz Napierala 2691658628dSEdward Tomasz Napierala return (auth); 2701658628dSEdward Tomasz Napierala } 2711658628dSEdward Tomasz Napierala 2728cb2e958SEdward Tomasz Napierala const struct auth_name * 2738cb2e958SEdward Tomasz Napierala auth_name_new(struct auth_group *ag, const char *name) 2748cb2e958SEdward Tomasz Napierala { 2758cb2e958SEdward Tomasz Napierala struct auth_name *an; 2768cb2e958SEdward Tomasz Napierala 2778cb2e958SEdward Tomasz Napierala an = calloc(1, sizeof(*an)); 2788cb2e958SEdward Tomasz Napierala if (an == NULL) 2798cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 2808cb2e958SEdward Tomasz Napierala an->an_auth_group = ag; 2818cb2e958SEdward Tomasz Napierala an->an_initator_name = checked_strdup(name); 2828cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_names, an, an_next); 2838cb2e958SEdward Tomasz Napierala return (an); 2848cb2e958SEdward Tomasz Napierala } 2858cb2e958SEdward Tomasz Napierala 2868cb2e958SEdward Tomasz Napierala static void 2878cb2e958SEdward Tomasz Napierala auth_name_delete(struct auth_name *an) 2888cb2e958SEdward Tomasz Napierala { 2898cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&an->an_auth_group->ag_names, an, an_next); 2908cb2e958SEdward Tomasz Napierala 2918cb2e958SEdward Tomasz Napierala free(an->an_initator_name); 2928cb2e958SEdward Tomasz Napierala free(an); 2938cb2e958SEdward Tomasz Napierala } 2948cb2e958SEdward Tomasz Napierala 2958cb2e958SEdward Tomasz Napierala bool 2968cb2e958SEdward Tomasz Napierala auth_name_defined(const struct auth_group *ag) 2978cb2e958SEdward Tomasz Napierala { 2988cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_names)) 2998cb2e958SEdward Tomasz Napierala return (false); 3008cb2e958SEdward Tomasz Napierala return (true); 3018cb2e958SEdward Tomasz Napierala } 3028cb2e958SEdward Tomasz Napierala 3038cb2e958SEdward Tomasz Napierala const struct auth_name * 3048cb2e958SEdward Tomasz Napierala auth_name_find(const struct auth_group *ag, const char *name) 3058cb2e958SEdward Tomasz Napierala { 3068cb2e958SEdward Tomasz Napierala const struct auth_name *auth_name; 3078cb2e958SEdward Tomasz Napierala 3088cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) { 3098cb2e958SEdward Tomasz Napierala if (strcmp(auth_name->an_initator_name, name) == 0) 3108cb2e958SEdward Tomasz Napierala return (auth_name); 3118cb2e958SEdward Tomasz Napierala } 3128cb2e958SEdward Tomasz Napierala 3138cb2e958SEdward Tomasz Napierala return (NULL); 3148cb2e958SEdward Tomasz Napierala } 3158cb2e958SEdward Tomasz Napierala 3168cb2e958SEdward Tomasz Napierala const struct auth_portal * 3178cb2e958SEdward Tomasz Napierala auth_portal_new(struct auth_group *ag, const char *portal) 3188cb2e958SEdward Tomasz Napierala { 3198cb2e958SEdward Tomasz Napierala struct auth_portal *ap; 3208cb2e958SEdward Tomasz Napierala 3218cb2e958SEdward Tomasz Napierala ap = calloc(1, sizeof(*ap)); 3228cb2e958SEdward Tomasz Napierala if (ap == NULL) 3238cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3248cb2e958SEdward Tomasz Napierala ap->ap_auth_group = ag; 3258cb2e958SEdward Tomasz Napierala ap->ap_initator_portal = checked_strdup(portal); 3268cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_portals, ap, ap_next); 3278cb2e958SEdward Tomasz Napierala return (ap); 3288cb2e958SEdward Tomasz Napierala } 3298cb2e958SEdward Tomasz Napierala 3308cb2e958SEdward Tomasz Napierala static void 3318cb2e958SEdward Tomasz Napierala auth_portal_delete(struct auth_portal *ap) 3328cb2e958SEdward Tomasz Napierala { 3338cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&ap->ap_auth_group->ag_portals, ap, ap_next); 3348cb2e958SEdward Tomasz Napierala 3358cb2e958SEdward Tomasz Napierala free(ap->ap_initator_portal); 3368cb2e958SEdward Tomasz Napierala free(ap); 3378cb2e958SEdward Tomasz Napierala } 3388cb2e958SEdward Tomasz Napierala 3398cb2e958SEdward Tomasz Napierala bool 3408cb2e958SEdward Tomasz Napierala auth_portal_defined(const struct auth_group *ag) 3418cb2e958SEdward Tomasz Napierala { 3428cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_portals)) 3438cb2e958SEdward Tomasz Napierala return (false); 3448cb2e958SEdward Tomasz Napierala return (true); 3458cb2e958SEdward Tomasz Napierala } 3468cb2e958SEdward Tomasz Napierala 3478cb2e958SEdward Tomasz Napierala const struct auth_portal * 3488cb2e958SEdward Tomasz Napierala auth_portal_find(const struct auth_group *ag, const char *portal) 3498cb2e958SEdward Tomasz Napierala { 3508cb2e958SEdward Tomasz Napierala const struct auth_portal *auth_portal; 3518cb2e958SEdward Tomasz Napierala 3528cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_portal, &ag->ag_portals, ap_next) { 3538cb2e958SEdward Tomasz Napierala if (strcmp(auth_portal->ap_initator_portal, portal) == 0) 3548cb2e958SEdward Tomasz Napierala return (auth_portal); 3558cb2e958SEdward Tomasz Napierala } 3568cb2e958SEdward Tomasz Napierala 3578cb2e958SEdward Tomasz Napierala return (NULL); 3588cb2e958SEdward Tomasz Napierala } 3598cb2e958SEdward Tomasz Napierala 360009ea47eSEdward Tomasz Napierala struct auth_group * 361009ea47eSEdward Tomasz Napierala auth_group_new(struct conf *conf, const char *name) 362009ea47eSEdward Tomasz Napierala { 363009ea47eSEdward Tomasz Napierala struct auth_group *ag; 364009ea47eSEdward Tomasz Napierala 365009ea47eSEdward Tomasz Napierala if (name != NULL) { 366009ea47eSEdward Tomasz Napierala ag = auth_group_find(conf, name); 367009ea47eSEdward Tomasz Napierala if (ag != NULL) { 368009ea47eSEdward Tomasz Napierala log_warnx("duplicated auth-group \"%s\"", name); 369009ea47eSEdward Tomasz Napierala return (NULL); 370009ea47eSEdward Tomasz Napierala } 371009ea47eSEdward Tomasz Napierala } 372009ea47eSEdward Tomasz Napierala 373009ea47eSEdward Tomasz Napierala ag = calloc(1, sizeof(*ag)); 374009ea47eSEdward Tomasz Napierala if (ag == NULL) 375009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 376009ea47eSEdward Tomasz Napierala if (name != NULL) 377009ea47eSEdward Tomasz Napierala ag->ag_name = checked_strdup(name); 378009ea47eSEdward Tomasz Napierala TAILQ_INIT(&ag->ag_auths); 3798cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_names); 3808cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_portals); 381009ea47eSEdward Tomasz Napierala ag->ag_conf = conf; 382009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_auth_groups, ag, ag_next); 383009ea47eSEdward Tomasz Napierala 384009ea47eSEdward Tomasz Napierala return (ag); 385009ea47eSEdward Tomasz Napierala } 386009ea47eSEdward Tomasz Napierala 387009ea47eSEdward Tomasz Napierala void 388009ea47eSEdward Tomasz Napierala auth_group_delete(struct auth_group *ag) 389009ea47eSEdward Tomasz Napierala { 3908cb2e958SEdward Tomasz Napierala struct auth *auth, *auth_tmp; 3918cb2e958SEdward Tomasz Napierala struct auth_name *auth_name, *auth_name_tmp; 3928cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal, *auth_portal_tmp; 393009ea47eSEdward Tomasz Napierala 394009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&ag->ag_conf->conf_auth_groups, ag, ag_next); 395009ea47eSEdward Tomasz Napierala 3968cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth, &ag->ag_auths, a_next, auth_tmp) 397009ea47eSEdward Tomasz Napierala auth_delete(auth); 3988cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_name, &ag->ag_names, an_next, auth_name_tmp) 3998cb2e958SEdward Tomasz Napierala auth_name_delete(auth_name); 4008cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_portal, &ag->ag_portals, ap_next, 4018cb2e958SEdward Tomasz Napierala auth_portal_tmp) 4028cb2e958SEdward Tomasz Napierala auth_portal_delete(auth_portal); 403009ea47eSEdward Tomasz Napierala free(ag->ag_name); 404009ea47eSEdward Tomasz Napierala free(ag); 405009ea47eSEdward Tomasz Napierala } 406009ea47eSEdward Tomasz Napierala 407009ea47eSEdward Tomasz Napierala struct auth_group * 408009ea47eSEdward Tomasz Napierala auth_group_find(struct conf *conf, const char *name) 409009ea47eSEdward Tomasz Napierala { 410009ea47eSEdward Tomasz Napierala struct auth_group *ag; 411009ea47eSEdward Tomasz Napierala 412009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 413009ea47eSEdward Tomasz Napierala if (ag->ag_name != NULL && strcmp(ag->ag_name, name) == 0) 414009ea47eSEdward Tomasz Napierala return (ag); 415009ea47eSEdward Tomasz Napierala } 416009ea47eSEdward Tomasz Napierala 417009ea47eSEdward Tomasz Napierala return (NULL); 418009ea47eSEdward Tomasz Napierala } 419009ea47eSEdward Tomasz Napierala 420df9900fbSEdward Tomasz Napierala static int 421df9900fbSEdward Tomasz Napierala auth_group_set_type(struct auth_group *ag, int type) 422df9900fbSEdward Tomasz Napierala { 423df9900fbSEdward Tomasz Napierala 424df9900fbSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) { 425df9900fbSEdward Tomasz Napierala ag->ag_type = type; 426df9900fbSEdward Tomasz Napierala return (0); 427df9900fbSEdward Tomasz Napierala } 428df9900fbSEdward Tomasz Napierala 429df9900fbSEdward Tomasz Napierala if (ag->ag_type == type) 430df9900fbSEdward Tomasz Napierala return (0); 431df9900fbSEdward Tomasz Napierala 432df9900fbSEdward Tomasz Napierala return (1); 433df9900fbSEdward Tomasz Napierala } 434df9900fbSEdward Tomasz Napierala 435df9900fbSEdward Tomasz Napierala int 436df9900fbSEdward Tomasz Napierala auth_group_set_type_str(struct auth_group *ag, const char *str) 437df9900fbSEdward Tomasz Napierala { 438df9900fbSEdward Tomasz Napierala int error, type; 439df9900fbSEdward Tomasz Napierala 440df9900fbSEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 441df9900fbSEdward Tomasz Napierala type = AG_TYPE_NO_AUTHENTICATION; 442*e76ce448SEdward Tomasz Napierala } else if (strcmp(str, "deny") == 0) { 443*e76ce448SEdward Tomasz Napierala type = AG_TYPE_DENY; 444df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap") == 0) { 445df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP; 446df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap-mutual") == 0) { 447df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP_MUTUAL; 448df9900fbSEdward Tomasz Napierala } else { 449df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 450df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for auth-group " 451df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_name); 452df9900fbSEdward Tomasz Napierala else 453df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for target " 454df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_target->t_name); 455df9900fbSEdward Tomasz Napierala return (1); 456df9900fbSEdward Tomasz Napierala } 457df9900fbSEdward Tomasz Napierala 458df9900fbSEdward Tomasz Napierala error = auth_group_set_type(ag, type); 459df9900fbSEdward Tomasz Napierala if (error != 0) { 460df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 461df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for " 462df9900fbSEdward Tomasz Napierala "auth-group \"%s\"; already has a different " 463df9900fbSEdward Tomasz Napierala "type", str, ag->ag_name); 464df9900fbSEdward Tomasz Napierala else 465df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for target " 466df9900fbSEdward Tomasz Napierala "\"%s\"; already has a different type", 467df9900fbSEdward Tomasz Napierala str, ag->ag_target->t_name); 468df9900fbSEdward Tomasz Napierala return (1); 469df9900fbSEdward Tomasz Napierala } 470df9900fbSEdward Tomasz Napierala 471df9900fbSEdward Tomasz Napierala return (error); 472df9900fbSEdward Tomasz Napierala } 473df9900fbSEdward Tomasz Napierala 474009ea47eSEdward Tomasz Napierala static struct portal * 475009ea47eSEdward Tomasz Napierala portal_new(struct portal_group *pg) 476009ea47eSEdward Tomasz Napierala { 477009ea47eSEdward Tomasz Napierala struct portal *portal; 478009ea47eSEdward Tomasz Napierala 479009ea47eSEdward Tomasz Napierala portal = calloc(1, sizeof(*portal)); 480009ea47eSEdward Tomasz Napierala if (portal == NULL) 481009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 482009ea47eSEdward Tomasz Napierala TAILQ_INIT(&portal->p_targets); 483009ea47eSEdward Tomasz Napierala portal->p_portal_group = pg; 484009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&pg->pg_portals, portal, p_next); 485009ea47eSEdward Tomasz Napierala return (portal); 486009ea47eSEdward Tomasz Napierala } 487009ea47eSEdward Tomasz Napierala 488009ea47eSEdward Tomasz Napierala static void 489009ea47eSEdward Tomasz Napierala portal_delete(struct portal *portal) 490009ea47eSEdward Tomasz Napierala { 491009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&portal->p_portal_group->pg_portals, portal, p_next); 492009ea47eSEdward Tomasz Napierala freeaddrinfo(portal->p_ai); 493009ea47eSEdward Tomasz Napierala free(portal->p_listen); 494009ea47eSEdward Tomasz Napierala free(portal); 495009ea47eSEdward Tomasz Napierala } 496009ea47eSEdward Tomasz Napierala 497009ea47eSEdward Tomasz Napierala struct portal_group * 498009ea47eSEdward Tomasz Napierala portal_group_new(struct conf *conf, const char *name) 499009ea47eSEdward Tomasz Napierala { 500009ea47eSEdward Tomasz Napierala struct portal_group *pg; 501009ea47eSEdward Tomasz Napierala 502009ea47eSEdward Tomasz Napierala pg = portal_group_find(conf, name); 503009ea47eSEdward Tomasz Napierala if (pg != NULL) { 504009ea47eSEdward Tomasz Napierala log_warnx("duplicated portal-group \"%s\"", name); 505009ea47eSEdward Tomasz Napierala return (NULL); 506009ea47eSEdward Tomasz Napierala } 507009ea47eSEdward Tomasz Napierala 508009ea47eSEdward Tomasz Napierala pg = calloc(1, sizeof(*pg)); 509009ea47eSEdward Tomasz Napierala if (pg == NULL) 510009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 511009ea47eSEdward Tomasz Napierala pg->pg_name = checked_strdup(name); 512009ea47eSEdward Tomasz Napierala TAILQ_INIT(&pg->pg_portals); 513009ea47eSEdward Tomasz Napierala pg->pg_conf = conf; 514009ea47eSEdward Tomasz Napierala conf->conf_last_portal_group_tag++; 515009ea47eSEdward Tomasz Napierala pg->pg_tag = conf->conf_last_portal_group_tag; 516009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_portal_groups, pg, pg_next); 517009ea47eSEdward Tomasz Napierala 518009ea47eSEdward Tomasz Napierala return (pg); 519009ea47eSEdward Tomasz Napierala } 520009ea47eSEdward Tomasz Napierala 521009ea47eSEdward Tomasz Napierala void 522009ea47eSEdward Tomasz Napierala portal_group_delete(struct portal_group *pg) 523009ea47eSEdward Tomasz Napierala { 524009ea47eSEdward Tomasz Napierala struct portal *portal, *tmp; 525009ea47eSEdward Tomasz Napierala 526009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&pg->pg_conf->conf_portal_groups, pg, pg_next); 527009ea47eSEdward Tomasz Napierala 528009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(portal, &pg->pg_portals, p_next, tmp) 529009ea47eSEdward Tomasz Napierala portal_delete(portal); 530009ea47eSEdward Tomasz Napierala free(pg->pg_name); 531009ea47eSEdward Tomasz Napierala free(pg); 532009ea47eSEdward Tomasz Napierala } 533009ea47eSEdward Tomasz Napierala 534009ea47eSEdward Tomasz Napierala struct portal_group * 535009ea47eSEdward Tomasz Napierala portal_group_find(struct conf *conf, const char *name) 536009ea47eSEdward Tomasz Napierala { 537009ea47eSEdward Tomasz Napierala struct portal_group *pg; 538009ea47eSEdward Tomasz Napierala 539009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 540009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, name) == 0) 541009ea47eSEdward Tomasz Napierala return (pg); 542009ea47eSEdward Tomasz Napierala } 543009ea47eSEdward Tomasz Napierala 544009ea47eSEdward Tomasz Napierala return (NULL); 545009ea47eSEdward Tomasz Napierala } 546009ea47eSEdward Tomasz Napierala 547009ea47eSEdward Tomasz Napierala int 548009ea47eSEdward Tomasz Napierala portal_group_add_listen(struct portal_group *pg, const char *value, bool iser) 549009ea47eSEdward Tomasz Napierala { 550009ea47eSEdward Tomasz Napierala struct addrinfo hints; 551009ea47eSEdward Tomasz Napierala struct portal *portal; 552009ea47eSEdward Tomasz Napierala char *addr, *ch, *arg; 553009ea47eSEdward Tomasz Napierala const char *port; 554009ea47eSEdward Tomasz Napierala int error, colons = 0; 555009ea47eSEdward Tomasz Napierala 556009ea47eSEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 557009ea47eSEdward Tomasz Napierala if (iser) { 558009ea47eSEdward Tomasz Napierala log_warnx("ctld(8) compiled without ICL_KERNEL_PROXY " 559009ea47eSEdward Tomasz Napierala "does not support iSER protocol"); 560009ea47eSEdward Tomasz Napierala return (-1); 561009ea47eSEdward Tomasz Napierala } 562009ea47eSEdward Tomasz Napierala #endif 563009ea47eSEdward Tomasz Napierala 564009ea47eSEdward Tomasz Napierala portal = portal_new(pg); 565009ea47eSEdward Tomasz Napierala portal->p_listen = checked_strdup(value); 566009ea47eSEdward Tomasz Napierala portal->p_iser = iser; 567009ea47eSEdward Tomasz Napierala 568009ea47eSEdward Tomasz Napierala arg = portal->p_listen; 569009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 570009ea47eSEdward Tomasz Napierala log_warnx("empty listen address"); 571009ea47eSEdward Tomasz Napierala free(portal->p_listen); 572009ea47eSEdward Tomasz Napierala free(portal); 573009ea47eSEdward Tomasz Napierala return (1); 574009ea47eSEdward Tomasz Napierala } 575009ea47eSEdward Tomasz Napierala if (arg[0] == '[') { 576009ea47eSEdward Tomasz Napierala /* 577009ea47eSEdward Tomasz Napierala * IPv6 address in square brackets, perhaps with port. 578009ea47eSEdward Tomasz Napierala */ 579009ea47eSEdward Tomasz Napierala arg++; 580009ea47eSEdward Tomasz Napierala addr = strsep(&arg, "]"); 581009ea47eSEdward Tomasz Napierala if (arg == NULL) { 582009ea47eSEdward Tomasz Napierala log_warnx("invalid listen address %s", 583009ea47eSEdward Tomasz Napierala portal->p_listen); 584009ea47eSEdward Tomasz Napierala free(portal->p_listen); 585009ea47eSEdward Tomasz Napierala free(portal); 586009ea47eSEdward Tomasz Napierala return (1); 587009ea47eSEdward Tomasz Napierala } 588009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 589009ea47eSEdward Tomasz Napierala port = "3260"; 590009ea47eSEdward Tomasz Napierala } else if (arg[0] == ':') { 591009ea47eSEdward Tomasz Napierala port = arg + 1; 592009ea47eSEdward Tomasz Napierala } else { 593009ea47eSEdward Tomasz Napierala log_warnx("invalid listen address %s", 594009ea47eSEdward Tomasz Napierala portal->p_listen); 595009ea47eSEdward Tomasz Napierala free(portal->p_listen); 596009ea47eSEdward Tomasz Napierala free(portal); 597009ea47eSEdward Tomasz Napierala return (1); 598009ea47eSEdward Tomasz Napierala } 599009ea47eSEdward Tomasz Napierala } else { 600009ea47eSEdward Tomasz Napierala /* 601009ea47eSEdward Tomasz Napierala * Either IPv6 address without brackets - and without 602009ea47eSEdward Tomasz Napierala * a port - or IPv4 address. Just count the colons. 603009ea47eSEdward Tomasz Napierala */ 604009ea47eSEdward Tomasz Napierala for (ch = arg; *ch != '\0'; ch++) { 605009ea47eSEdward Tomasz Napierala if (*ch == ':') 606009ea47eSEdward Tomasz Napierala colons++; 607009ea47eSEdward Tomasz Napierala } 608009ea47eSEdward Tomasz Napierala if (colons > 1) { 609009ea47eSEdward Tomasz Napierala addr = arg; 610009ea47eSEdward Tomasz Napierala port = "3260"; 611009ea47eSEdward Tomasz Napierala } else { 612009ea47eSEdward Tomasz Napierala addr = strsep(&arg, ":"); 613009ea47eSEdward Tomasz Napierala if (arg == NULL) 614009ea47eSEdward Tomasz Napierala port = "3260"; 615009ea47eSEdward Tomasz Napierala else 616009ea47eSEdward Tomasz Napierala port = arg; 617009ea47eSEdward Tomasz Napierala } 618009ea47eSEdward Tomasz Napierala } 619009ea47eSEdward Tomasz Napierala 620009ea47eSEdward Tomasz Napierala memset(&hints, 0, sizeof(hints)); 621009ea47eSEdward Tomasz Napierala hints.ai_family = PF_UNSPEC; 622009ea47eSEdward Tomasz Napierala hints.ai_socktype = SOCK_STREAM; 623009ea47eSEdward Tomasz Napierala hints.ai_flags = AI_PASSIVE; 624009ea47eSEdward Tomasz Napierala 625009ea47eSEdward Tomasz Napierala error = getaddrinfo(addr, port, &hints, &portal->p_ai); 626009ea47eSEdward Tomasz Napierala if (error != 0) { 627009ea47eSEdward Tomasz Napierala log_warnx("getaddrinfo for %s failed: %s", 628009ea47eSEdward Tomasz Napierala portal->p_listen, gai_strerror(error)); 629009ea47eSEdward Tomasz Napierala free(portal->p_listen); 630009ea47eSEdward Tomasz Napierala free(portal); 631009ea47eSEdward Tomasz Napierala return (1); 632009ea47eSEdward Tomasz Napierala } 633009ea47eSEdward Tomasz Napierala 634009ea47eSEdward Tomasz Napierala /* 635009ea47eSEdward Tomasz Napierala * XXX: getaddrinfo(3) may return multiple addresses; we should turn 636009ea47eSEdward Tomasz Napierala * those into multiple portals. 637009ea47eSEdward Tomasz Napierala */ 638009ea47eSEdward Tomasz Napierala 639009ea47eSEdward Tomasz Napierala return (0); 640009ea47eSEdward Tomasz Napierala } 641009ea47eSEdward Tomasz Napierala 642009ea47eSEdward Tomasz Napierala static bool 643009ea47eSEdward Tomasz Napierala valid_hex(const char ch) 644009ea47eSEdward Tomasz Napierala { 645009ea47eSEdward Tomasz Napierala switch (ch) { 646009ea47eSEdward Tomasz Napierala case '0': 647009ea47eSEdward Tomasz Napierala case '1': 648009ea47eSEdward Tomasz Napierala case '2': 649009ea47eSEdward Tomasz Napierala case '3': 650009ea47eSEdward Tomasz Napierala case '4': 651009ea47eSEdward Tomasz Napierala case '5': 652009ea47eSEdward Tomasz Napierala case '6': 653009ea47eSEdward Tomasz Napierala case '7': 654009ea47eSEdward Tomasz Napierala case '8': 655009ea47eSEdward Tomasz Napierala case '9': 656009ea47eSEdward Tomasz Napierala case 'a': 657009ea47eSEdward Tomasz Napierala case 'A': 658009ea47eSEdward Tomasz Napierala case 'b': 659009ea47eSEdward Tomasz Napierala case 'B': 660009ea47eSEdward Tomasz Napierala case 'c': 661009ea47eSEdward Tomasz Napierala case 'C': 662009ea47eSEdward Tomasz Napierala case 'd': 663009ea47eSEdward Tomasz Napierala case 'D': 664009ea47eSEdward Tomasz Napierala case 'e': 665009ea47eSEdward Tomasz Napierala case 'E': 666009ea47eSEdward Tomasz Napierala case 'f': 667009ea47eSEdward Tomasz Napierala case 'F': 668009ea47eSEdward Tomasz Napierala return (true); 669009ea47eSEdward Tomasz Napierala default: 670009ea47eSEdward Tomasz Napierala return (false); 671009ea47eSEdward Tomasz Napierala } 672009ea47eSEdward Tomasz Napierala } 673009ea47eSEdward Tomasz Napierala 674009ea47eSEdward Tomasz Napierala bool 675009ea47eSEdward Tomasz Napierala valid_iscsi_name(const char *name) 676009ea47eSEdward Tomasz Napierala { 677009ea47eSEdward Tomasz Napierala int i; 678009ea47eSEdward Tomasz Napierala 679009ea47eSEdward Tomasz Napierala if (strlen(name) >= MAX_NAME_LEN) { 680009ea47eSEdward Tomasz Napierala log_warnx("overlong name for target \"%s\"; max length allowed " 681009ea47eSEdward Tomasz Napierala "by iSCSI specification is %d characters", 682009ea47eSEdward Tomasz Napierala name, MAX_NAME_LEN); 683009ea47eSEdward Tomasz Napierala return (false); 684009ea47eSEdward Tomasz Napierala } 685009ea47eSEdward Tomasz Napierala 686009ea47eSEdward Tomasz Napierala /* 687009ea47eSEdward Tomasz Napierala * In the cases below, we don't return an error, just in case the admin 688009ea47eSEdward Tomasz Napierala * was right, and we're wrong. 689009ea47eSEdward Tomasz Napierala */ 690009ea47eSEdward Tomasz Napierala if (strncasecmp(name, "iqn.", strlen("iqn.")) == 0) { 691009ea47eSEdward Tomasz Napierala for (i = strlen("iqn."); name[i] != '\0'; i++) { 692009ea47eSEdward Tomasz Napierala /* 693009ea47eSEdward Tomasz Napierala * XXX: We should verify UTF-8 normalisation, as defined 694009ea47eSEdward Tomasz Napierala * by 3.2.6.2: iSCSI Name Encoding. 695009ea47eSEdward Tomasz Napierala */ 696009ea47eSEdward Tomasz Napierala if (isalnum(name[i])) 697009ea47eSEdward Tomasz Napierala continue; 698009ea47eSEdward Tomasz Napierala if (name[i] == '-' || name[i] == '.' || name[i] == ':') 699009ea47eSEdward Tomasz Napierala continue; 700009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target name " 701009ea47eSEdward Tomasz Napierala "\"%s\"; allowed characters are letters, digits, " 702009ea47eSEdward Tomasz Napierala "'-', '.', and ':'", name[i], name); 703009ea47eSEdward Tomasz Napierala break; 704009ea47eSEdward Tomasz Napierala } 705009ea47eSEdward Tomasz Napierala /* 706009ea47eSEdward Tomasz Napierala * XXX: Check more stuff: valid date and a valid reversed domain. 707009ea47eSEdward Tomasz Napierala */ 708009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "eui.", strlen("eui.")) == 0) { 709009ea47eSEdward Tomasz Napierala if (strlen(name) != strlen("eui.") + 16) 710009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"eui.\" " 711009ea47eSEdward Tomasz Napierala "should be followed by exactly 16 hexadecimal " 712009ea47eSEdward Tomasz Napierala "digits", name); 713009ea47eSEdward Tomasz Napierala for (i = strlen("eui."); name[i] != '\0'; i++) { 714009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 715009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 716009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 717009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 718009ea47eSEdward Tomasz Napierala break; 719009ea47eSEdward Tomasz Napierala } 720009ea47eSEdward Tomasz Napierala } 721009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "naa.", strlen("naa.")) == 0) { 722009ea47eSEdward Tomasz Napierala if (strlen(name) > strlen("naa.") + 32) 723009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"naa.\" " 724009ea47eSEdward Tomasz Napierala "should be followed by at most 32 hexadecimal " 725009ea47eSEdward Tomasz Napierala "digits", name); 726009ea47eSEdward Tomasz Napierala for (i = strlen("naa."); name[i] != '\0'; i++) { 727009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 728009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 729009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 730009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 731009ea47eSEdward Tomasz Napierala break; 732009ea47eSEdward Tomasz Napierala } 733009ea47eSEdward Tomasz Napierala } 734009ea47eSEdward Tomasz Napierala } else { 735009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; should start with " 736009ea47eSEdward Tomasz Napierala "either \".iqn\", \"eui.\", or \"naa.\"", 737009ea47eSEdward Tomasz Napierala name); 738009ea47eSEdward Tomasz Napierala } 739009ea47eSEdward Tomasz Napierala return (true); 740009ea47eSEdward Tomasz Napierala } 741009ea47eSEdward Tomasz Napierala 742009ea47eSEdward Tomasz Napierala struct target * 743f7ae5bf8SEdward Tomasz Napierala target_new(struct conf *conf, const char *name) 744009ea47eSEdward Tomasz Napierala { 745009ea47eSEdward Tomasz Napierala struct target *targ; 746009ea47eSEdward Tomasz Napierala int i, len; 747009ea47eSEdward Tomasz Napierala 748f7ae5bf8SEdward Tomasz Napierala targ = target_find(conf, name); 749009ea47eSEdward Tomasz Napierala if (targ != NULL) { 750f7ae5bf8SEdward Tomasz Napierala log_warnx("duplicated target \"%s\"", name); 751009ea47eSEdward Tomasz Napierala return (NULL); 752009ea47eSEdward Tomasz Napierala } 753f7ae5bf8SEdward Tomasz Napierala if (valid_iscsi_name(name) == false) { 754f7ae5bf8SEdward Tomasz Napierala log_warnx("target name \"%s\" is invalid", name); 755009ea47eSEdward Tomasz Napierala return (NULL); 756009ea47eSEdward Tomasz Napierala } 757009ea47eSEdward Tomasz Napierala targ = calloc(1, sizeof(*targ)); 758009ea47eSEdward Tomasz Napierala if (targ == NULL) 759009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 760f7ae5bf8SEdward Tomasz Napierala targ->t_name = checked_strdup(name); 761009ea47eSEdward Tomasz Napierala 762009ea47eSEdward Tomasz Napierala /* 763009ea47eSEdward Tomasz Napierala * RFC 3722 requires us to normalize the name to lowercase. 764009ea47eSEdward Tomasz Napierala */ 765f7ae5bf8SEdward Tomasz Napierala len = strlen(name); 766009ea47eSEdward Tomasz Napierala for (i = 0; i < len; i++) 767f7ae5bf8SEdward Tomasz Napierala targ->t_name[i] = tolower(targ->t_name[i]); 768009ea47eSEdward Tomasz Napierala 769009ea47eSEdward Tomasz Napierala TAILQ_INIT(&targ->t_luns); 770009ea47eSEdward Tomasz Napierala targ->t_conf = conf; 771009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_targets, targ, t_next); 772009ea47eSEdward Tomasz Napierala 773009ea47eSEdward Tomasz Napierala return (targ); 774009ea47eSEdward Tomasz Napierala } 775009ea47eSEdward Tomasz Napierala 776009ea47eSEdward Tomasz Napierala void 777009ea47eSEdward Tomasz Napierala target_delete(struct target *targ) 778009ea47eSEdward Tomasz Napierala { 779009ea47eSEdward Tomasz Napierala struct lun *lun, *tmp; 780009ea47eSEdward Tomasz Napierala 781009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&targ->t_conf->conf_targets, targ, t_next); 782009ea47eSEdward Tomasz Napierala 783009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lun, &targ->t_luns, l_next, tmp) 784009ea47eSEdward Tomasz Napierala lun_delete(lun); 785f7ae5bf8SEdward Tomasz Napierala free(targ->t_name); 786009ea47eSEdward Tomasz Napierala free(targ); 787009ea47eSEdward Tomasz Napierala } 788009ea47eSEdward Tomasz Napierala 789009ea47eSEdward Tomasz Napierala struct target * 790f7ae5bf8SEdward Tomasz Napierala target_find(struct conf *conf, const char *name) 791009ea47eSEdward Tomasz Napierala { 792009ea47eSEdward Tomasz Napierala struct target *targ; 793009ea47eSEdward Tomasz Napierala 794009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 795f7ae5bf8SEdward Tomasz Napierala if (strcasecmp(targ->t_name, name) == 0) 796009ea47eSEdward Tomasz Napierala return (targ); 797009ea47eSEdward Tomasz Napierala } 798009ea47eSEdward Tomasz Napierala 799009ea47eSEdward Tomasz Napierala return (NULL); 800009ea47eSEdward Tomasz Napierala } 801009ea47eSEdward Tomasz Napierala 802009ea47eSEdward Tomasz Napierala struct lun * 803009ea47eSEdward Tomasz Napierala lun_new(struct target *targ, int lun_id) 804009ea47eSEdward Tomasz Napierala { 805009ea47eSEdward Tomasz Napierala struct lun *lun; 806009ea47eSEdward Tomasz Napierala 807009ea47eSEdward Tomasz Napierala lun = lun_find(targ, lun_id); 808009ea47eSEdward Tomasz Napierala if (lun != NULL) { 809009ea47eSEdward Tomasz Napierala log_warnx("duplicated lun %d for target \"%s\"", 810f7ae5bf8SEdward Tomasz Napierala lun_id, targ->t_name); 811009ea47eSEdward Tomasz Napierala return (NULL); 812009ea47eSEdward Tomasz Napierala } 813009ea47eSEdward Tomasz Napierala 814009ea47eSEdward Tomasz Napierala lun = calloc(1, sizeof(*lun)); 815009ea47eSEdward Tomasz Napierala if (lun == NULL) 816009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 817009ea47eSEdward Tomasz Napierala lun->l_lun = lun_id; 818009ea47eSEdward Tomasz Napierala TAILQ_INIT(&lun->l_options); 819009ea47eSEdward Tomasz Napierala lun->l_target = targ; 820009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&targ->t_luns, lun, l_next); 821009ea47eSEdward Tomasz Napierala 822009ea47eSEdward Tomasz Napierala return (lun); 823009ea47eSEdward Tomasz Napierala } 824009ea47eSEdward Tomasz Napierala 825009ea47eSEdward Tomasz Napierala void 826009ea47eSEdward Tomasz Napierala lun_delete(struct lun *lun) 827009ea47eSEdward Tomasz Napierala { 828009ea47eSEdward Tomasz Napierala struct lun_option *lo, *tmp; 829009ea47eSEdward Tomasz Napierala 830009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lun->l_target->t_luns, lun, l_next); 831009ea47eSEdward Tomasz Napierala 832009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lo, &lun->l_options, lo_next, tmp) 833009ea47eSEdward Tomasz Napierala lun_option_delete(lo); 834009ea47eSEdward Tomasz Napierala free(lun->l_backend); 835009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 836009ea47eSEdward Tomasz Napierala free(lun->l_path); 837009ea47eSEdward Tomasz Napierala free(lun->l_serial); 838009ea47eSEdward Tomasz Napierala free(lun); 839009ea47eSEdward Tomasz Napierala } 840009ea47eSEdward Tomasz Napierala 841009ea47eSEdward Tomasz Napierala struct lun * 842009ea47eSEdward Tomasz Napierala lun_find(struct target *targ, int lun_id) 843009ea47eSEdward Tomasz Napierala { 844009ea47eSEdward Tomasz Napierala struct lun *lun; 845009ea47eSEdward Tomasz Napierala 846009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 847009ea47eSEdward Tomasz Napierala if (lun->l_lun == lun_id) 848009ea47eSEdward Tomasz Napierala return (lun); 849009ea47eSEdward Tomasz Napierala } 850009ea47eSEdward Tomasz Napierala 851009ea47eSEdward Tomasz Napierala return (NULL); 852009ea47eSEdward Tomasz Napierala } 853009ea47eSEdward Tomasz Napierala 854009ea47eSEdward Tomasz Napierala void 855009ea47eSEdward Tomasz Napierala lun_set_backend(struct lun *lun, const char *value) 856009ea47eSEdward Tomasz Napierala { 857009ea47eSEdward Tomasz Napierala free(lun->l_backend); 858009ea47eSEdward Tomasz Napierala lun->l_backend = checked_strdup(value); 859009ea47eSEdward Tomasz Napierala } 860009ea47eSEdward Tomasz Napierala 861009ea47eSEdward Tomasz Napierala void 862009ea47eSEdward Tomasz Napierala lun_set_blocksize(struct lun *lun, size_t value) 863009ea47eSEdward Tomasz Napierala { 864009ea47eSEdward Tomasz Napierala 865009ea47eSEdward Tomasz Napierala lun->l_blocksize = value; 866009ea47eSEdward Tomasz Napierala } 867009ea47eSEdward Tomasz Napierala 868009ea47eSEdward Tomasz Napierala void 869009ea47eSEdward Tomasz Napierala lun_set_device_id(struct lun *lun, const char *value) 870009ea47eSEdward Tomasz Napierala { 871009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 872009ea47eSEdward Tomasz Napierala lun->l_device_id = checked_strdup(value); 873009ea47eSEdward Tomasz Napierala } 874009ea47eSEdward Tomasz Napierala 875009ea47eSEdward Tomasz Napierala void 876009ea47eSEdward Tomasz Napierala lun_set_path(struct lun *lun, const char *value) 877009ea47eSEdward Tomasz Napierala { 878009ea47eSEdward Tomasz Napierala free(lun->l_path); 879009ea47eSEdward Tomasz Napierala lun->l_path = checked_strdup(value); 880009ea47eSEdward Tomasz Napierala } 881009ea47eSEdward Tomasz Napierala 882009ea47eSEdward Tomasz Napierala void 883009ea47eSEdward Tomasz Napierala lun_set_serial(struct lun *lun, const char *value) 884009ea47eSEdward Tomasz Napierala { 885009ea47eSEdward Tomasz Napierala free(lun->l_serial); 886009ea47eSEdward Tomasz Napierala lun->l_serial = checked_strdup(value); 887009ea47eSEdward Tomasz Napierala } 888009ea47eSEdward Tomasz Napierala 889009ea47eSEdward Tomasz Napierala void 890009ea47eSEdward Tomasz Napierala lun_set_size(struct lun *lun, size_t value) 891009ea47eSEdward Tomasz Napierala { 892009ea47eSEdward Tomasz Napierala 893009ea47eSEdward Tomasz Napierala lun->l_size = value; 894009ea47eSEdward Tomasz Napierala } 895009ea47eSEdward Tomasz Napierala 896009ea47eSEdward Tomasz Napierala void 897009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(struct lun *lun, uint32_t value) 898009ea47eSEdward Tomasz Napierala { 899009ea47eSEdward Tomasz Napierala 900009ea47eSEdward Tomasz Napierala lun->l_ctl_lun = value; 901009ea47eSEdward Tomasz Napierala } 902009ea47eSEdward Tomasz Napierala 903009ea47eSEdward Tomasz Napierala struct lun_option * 904009ea47eSEdward Tomasz Napierala lun_option_new(struct lun *lun, const char *name, const char *value) 905009ea47eSEdward Tomasz Napierala { 906009ea47eSEdward Tomasz Napierala struct lun_option *lo; 907009ea47eSEdward Tomasz Napierala 908009ea47eSEdward Tomasz Napierala lo = lun_option_find(lun, name); 909009ea47eSEdward Tomasz Napierala if (lo != NULL) { 910009ea47eSEdward Tomasz Napierala log_warnx("duplicated lun option %s for lun %d, target \"%s\"", 911f7ae5bf8SEdward Tomasz Napierala name, lun->l_lun, lun->l_target->t_name); 912009ea47eSEdward Tomasz Napierala return (NULL); 913009ea47eSEdward Tomasz Napierala } 914009ea47eSEdward Tomasz Napierala 915009ea47eSEdward Tomasz Napierala lo = calloc(1, sizeof(*lo)); 916009ea47eSEdward Tomasz Napierala if (lo == NULL) 917009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 918009ea47eSEdward Tomasz Napierala lo->lo_name = checked_strdup(name); 919009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 920009ea47eSEdward Tomasz Napierala lo->lo_lun = lun; 921009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&lun->l_options, lo, lo_next); 922009ea47eSEdward Tomasz Napierala 923009ea47eSEdward Tomasz Napierala return (lo); 924009ea47eSEdward Tomasz Napierala } 925009ea47eSEdward Tomasz Napierala 926009ea47eSEdward Tomasz Napierala void 927009ea47eSEdward Tomasz Napierala lun_option_delete(struct lun_option *lo) 928009ea47eSEdward Tomasz Napierala { 929009ea47eSEdward Tomasz Napierala 930009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lo->lo_lun->l_options, lo, lo_next); 931009ea47eSEdward Tomasz Napierala 932009ea47eSEdward Tomasz Napierala free(lo->lo_name); 933009ea47eSEdward Tomasz Napierala free(lo->lo_value); 934009ea47eSEdward Tomasz Napierala free(lo); 935009ea47eSEdward Tomasz Napierala } 936009ea47eSEdward Tomasz Napierala 937009ea47eSEdward Tomasz Napierala struct lun_option * 938009ea47eSEdward Tomasz Napierala lun_option_find(struct lun *lun, const char *name) 939009ea47eSEdward Tomasz Napierala { 940009ea47eSEdward Tomasz Napierala struct lun_option *lo; 941009ea47eSEdward Tomasz Napierala 942009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 943009ea47eSEdward Tomasz Napierala if (strcmp(lo->lo_name, name) == 0) 944009ea47eSEdward Tomasz Napierala return (lo); 945009ea47eSEdward Tomasz Napierala } 946009ea47eSEdward Tomasz Napierala 947009ea47eSEdward Tomasz Napierala return (NULL); 948009ea47eSEdward Tomasz Napierala } 949009ea47eSEdward Tomasz Napierala 950009ea47eSEdward Tomasz Napierala void 951009ea47eSEdward Tomasz Napierala lun_option_set(struct lun_option *lo, const char *value) 952009ea47eSEdward Tomasz Napierala { 953009ea47eSEdward Tomasz Napierala 954009ea47eSEdward Tomasz Napierala free(lo->lo_value); 955009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 956009ea47eSEdward Tomasz Napierala } 957009ea47eSEdward Tomasz Napierala 958009ea47eSEdward Tomasz Napierala static struct connection * 959009ea47eSEdward Tomasz Napierala connection_new(struct portal *portal, int fd, const char *host) 960009ea47eSEdward Tomasz Napierala { 961009ea47eSEdward Tomasz Napierala struct connection *conn; 962009ea47eSEdward Tomasz Napierala 963009ea47eSEdward Tomasz Napierala conn = calloc(1, sizeof(*conn)); 964009ea47eSEdward Tomasz Napierala if (conn == NULL) 965009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 966009ea47eSEdward Tomasz Napierala conn->conn_portal = portal; 967009ea47eSEdward Tomasz Napierala conn->conn_socket = fd; 968009ea47eSEdward Tomasz Napierala conn->conn_initiator_addr = checked_strdup(host); 969009ea47eSEdward Tomasz Napierala 970009ea47eSEdward Tomasz Napierala /* 971009ea47eSEdward Tomasz Napierala * Default values, from RFC 3720, section 12. 972009ea47eSEdward Tomasz Napierala */ 973009ea47eSEdward Tomasz Napierala conn->conn_max_data_segment_length = 8192; 974009ea47eSEdward Tomasz Napierala conn->conn_max_burst_length = 262144; 975009ea47eSEdward Tomasz Napierala conn->conn_immediate_data = true; 976009ea47eSEdward Tomasz Napierala 977009ea47eSEdward Tomasz Napierala return (conn); 978009ea47eSEdward Tomasz Napierala } 979009ea47eSEdward Tomasz Napierala 980009ea47eSEdward Tomasz Napierala #if 0 981009ea47eSEdward Tomasz Napierala static void 982009ea47eSEdward Tomasz Napierala conf_print(struct conf *conf) 983009ea47eSEdward Tomasz Napierala { 984009ea47eSEdward Tomasz Napierala struct auth_group *ag; 985009ea47eSEdward Tomasz Napierala struct auth *auth; 9868cb2e958SEdward Tomasz Napierala struct auth_name *auth_name; 9878cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal; 988009ea47eSEdward Tomasz Napierala struct portal_group *pg; 989009ea47eSEdward Tomasz Napierala struct portal *portal; 990009ea47eSEdward Tomasz Napierala struct target *targ; 991009ea47eSEdward Tomasz Napierala struct lun *lun; 992009ea47eSEdward Tomasz Napierala struct lun_option *lo; 993009ea47eSEdward Tomasz Napierala 994009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 995009ea47eSEdward Tomasz Napierala fprintf(stderr, "auth-group %s {\n", ag->ag_name); 996009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) 997009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t chap-mutual %s %s %s %s\n", 998009ea47eSEdward Tomasz Napierala auth->a_user, auth->a_secret, 999009ea47eSEdward Tomasz Napierala auth->a_mutual_user, auth->a_mutual_secret); 10008cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) 10018cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-name %s\n", 10028cb2e958SEdward Tomasz Napierala auth_name->an_initator_name); 10038cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_portal, &ag->ag_portals, an_next) 10048cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-portal %s\n", 10058cb2e958SEdward Tomasz Napierala auth_portal->an_initator_portal); 1006009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1007009ea47eSEdward Tomasz Napierala } 1008009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1009009ea47eSEdward Tomasz Napierala fprintf(stderr, "portal-group %s {\n", pg->pg_name); 1010009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1011009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t listen %s\n", portal->p_listen); 1012009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1013009ea47eSEdward Tomasz Napierala } 1014009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1015f7ae5bf8SEdward Tomasz Napierala fprintf(stderr, "target %s {\n", targ->t_name); 1016009ea47eSEdward Tomasz Napierala if (targ->t_alias != NULL) 1017009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t alias %s\n", targ->t_alias); 1018009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 1019009ea47eSEdward Tomasz Napierala fprintf(stderr, "\tlun %d {\n", lun->l_lun); 1020009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\tpath %s\n", lun->l_path); 1021009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) 1022009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\toption %s %s\n", 1023009ea47eSEdward Tomasz Napierala lo->lo_name, lo->lo_value); 1024009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t}\n"); 1025009ea47eSEdward Tomasz Napierala } 1026009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1027009ea47eSEdward Tomasz Napierala } 1028009ea47eSEdward Tomasz Napierala } 1029009ea47eSEdward Tomasz Napierala #endif 1030009ea47eSEdward Tomasz Napierala 10312fabfaa5SEdward Tomasz Napierala static int 10322fabfaa5SEdward Tomasz Napierala conf_verify_lun(struct lun *lun) 10332fabfaa5SEdward Tomasz Napierala { 10342fabfaa5SEdward Tomasz Napierala const struct lun *lun2; 1035a19eebb1SEdward Tomasz Napierala const struct target *targ2; 10362fabfaa5SEdward Tomasz Napierala 10372fabfaa5SEdward Tomasz Napierala if (lun->l_backend == NULL) 10382fabfaa5SEdward Tomasz Napierala lun_set_backend(lun, "block"); 10392fabfaa5SEdward Tomasz Napierala if (strcmp(lun->l_backend, "block") == 0) { 10402fabfaa5SEdward Tomasz Napierala if (lun->l_path == NULL) { 10412fabfaa5SEdward Tomasz Napierala log_warnx("missing path for lun %d, target \"%s\"", 1042f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name); 10432fabfaa5SEdward Tomasz Napierala return (1); 10442fabfaa5SEdward Tomasz Napierala } 10452fabfaa5SEdward Tomasz Napierala } else if (strcmp(lun->l_backend, "ramdisk") == 0) { 10462fabfaa5SEdward Tomasz Napierala if (lun->l_size == 0) { 10472fabfaa5SEdward Tomasz Napierala log_warnx("missing size for ramdisk-backed lun %d, " 1048f7ae5bf8SEdward Tomasz Napierala "target \"%s\"", lun->l_lun, lun->l_target->t_name); 10492fabfaa5SEdward Tomasz Napierala return (1); 10502fabfaa5SEdward Tomasz Napierala } 10512fabfaa5SEdward Tomasz Napierala if (lun->l_path != NULL) { 10522fabfaa5SEdward Tomasz Napierala log_warnx("path must not be specified " 10532fabfaa5SEdward Tomasz Napierala "for ramdisk-backed lun %d, target \"%s\"", 1054f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name); 10552fabfaa5SEdward Tomasz Napierala return (1); 10562fabfaa5SEdward Tomasz Napierala } 10572fabfaa5SEdward Tomasz Napierala } 10582fabfaa5SEdward Tomasz Napierala if (lun->l_lun < 0 || lun->l_lun > 255) { 10592fabfaa5SEdward Tomasz Napierala log_warnx("invalid lun number for lun %d, target \"%s\"; " 10602fabfaa5SEdward Tomasz Napierala "must be between 0 and 255", lun->l_lun, 1061f7ae5bf8SEdward Tomasz Napierala lun->l_target->t_name); 10622fabfaa5SEdward Tomasz Napierala return (1); 10632fabfaa5SEdward Tomasz Napierala } 10642fabfaa5SEdward Tomasz Napierala if (lun->l_blocksize == 0) { 10652fabfaa5SEdward Tomasz Napierala lun_set_blocksize(lun, DEFAULT_BLOCKSIZE); 10662fabfaa5SEdward Tomasz Napierala } else if (lun->l_blocksize < 0) { 10672fabfaa5SEdward Tomasz Napierala log_warnx("invalid blocksize for lun %d, target \"%s\"; " 1068f7ae5bf8SEdward Tomasz Napierala "must be larger than 0", lun->l_lun, lun->l_target->t_name); 10692fabfaa5SEdward Tomasz Napierala return (1); 10702fabfaa5SEdward Tomasz Napierala } 10712fabfaa5SEdward Tomasz Napierala if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) { 10722fabfaa5SEdward Tomasz Napierala log_warnx("invalid size for lun %d, target \"%s\"; " 10732fabfaa5SEdward Tomasz Napierala "must be multiple of blocksize", lun->l_lun, 1074f7ae5bf8SEdward Tomasz Napierala lun->l_target->t_name); 10752fabfaa5SEdward Tomasz Napierala return (1); 10762fabfaa5SEdward Tomasz Napierala } 1077a19eebb1SEdward Tomasz Napierala TAILQ_FOREACH(targ2, &lun->l_target->t_conf->conf_targets, t_next) { 1078a19eebb1SEdward Tomasz Napierala TAILQ_FOREACH(lun2, &targ2->t_luns, l_next) { 1079a19eebb1SEdward Tomasz Napierala if (lun == lun2) 1080a19eebb1SEdward Tomasz Napierala continue; 1081a19eebb1SEdward Tomasz Napierala if (lun->l_path != NULL && lun2->l_path != NULL && 1082a19eebb1SEdward Tomasz Napierala strcmp(lun->l_path, lun2->l_path) == 0) { 1083a19eebb1SEdward Tomasz Napierala log_debugx("WARNING: path \"%s\" duplicated " 1084a19eebb1SEdward Tomasz Napierala "between lun %d, target \"%s\", and " 1085a19eebb1SEdward Tomasz Napierala "lun %d, target \"%s\"", lun->l_path, 1086f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name, 1087f7ae5bf8SEdward Tomasz Napierala lun2->l_lun, lun2->l_target->t_name); 1088a19eebb1SEdward Tomasz Napierala } 1089a19eebb1SEdward Tomasz Napierala } 1090a19eebb1SEdward Tomasz Napierala } 10912fabfaa5SEdward Tomasz Napierala 10922fabfaa5SEdward Tomasz Napierala return (0); 10932fabfaa5SEdward Tomasz Napierala } 10942fabfaa5SEdward Tomasz Napierala 1095009ea47eSEdward Tomasz Napierala int 1096009ea47eSEdward Tomasz Napierala conf_verify(struct conf *conf) 1097009ea47eSEdward Tomasz Napierala { 1098009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1099009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1100009ea47eSEdward Tomasz Napierala struct target *targ; 11012fabfaa5SEdward Tomasz Napierala struct lun *lun; 1102009ea47eSEdward Tomasz Napierala bool found_lun0; 11032fabfaa5SEdward Tomasz Napierala int error; 1104009ea47eSEdward Tomasz Napierala 1105009ea47eSEdward Tomasz Napierala if (conf->conf_pidfile_path == NULL) 1106009ea47eSEdward Tomasz Napierala conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE); 1107009ea47eSEdward Tomasz Napierala 1108009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1109009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == NULL) { 1110e7977549SEdward Tomasz Napierala targ->t_auth_group = auth_group_find(conf, 1111e7977549SEdward Tomasz Napierala "default"); 1112e7977549SEdward Tomasz Napierala assert(targ->t_auth_group != NULL); 1113009ea47eSEdward Tomasz Napierala } 1114009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == NULL) { 1115009ea47eSEdward Tomasz Napierala targ->t_portal_group = portal_group_find(conf, 1116009ea47eSEdward Tomasz Napierala "default"); 1117009ea47eSEdward Tomasz Napierala assert(targ->t_portal_group != NULL); 1118009ea47eSEdward Tomasz Napierala } 1119009ea47eSEdward Tomasz Napierala found_lun0 = false; 1120009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 11212fabfaa5SEdward Tomasz Napierala error = conf_verify_lun(lun); 11222fabfaa5SEdward Tomasz Napierala if (error != 0) 11232fabfaa5SEdward Tomasz Napierala return (error); 1124009ea47eSEdward Tomasz Napierala if (lun->l_lun == 0) 1125009ea47eSEdward Tomasz Napierala found_lun0 = true; 1126009ea47eSEdward Tomasz Napierala } 1127009ea47eSEdward Tomasz Napierala if (!found_lun0) { 1128009ea47eSEdward Tomasz Napierala log_warnx("mandatory LUN 0 not configured " 1129f7ae5bf8SEdward Tomasz Napierala "for target \"%s\"", targ->t_name); 1130009ea47eSEdward Tomasz Napierala return (1); 1131009ea47eSEdward Tomasz Napierala } 1132009ea47eSEdward Tomasz Napierala } 1133009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1134009ea47eSEdward Tomasz Napierala assert(pg->pg_name != NULL); 1135009ea47eSEdward Tomasz Napierala if (pg->pg_discovery_auth_group == NULL) { 1136009ea47eSEdward Tomasz Napierala pg->pg_discovery_auth_group = 1137ccb1f04dSEdward Tomasz Napierala auth_group_find(conf, "default"); 1138009ea47eSEdward Tomasz Napierala assert(pg->pg_discovery_auth_group != NULL); 1139009ea47eSEdward Tomasz Napierala } 1140009ea47eSEdward Tomasz Napierala 1141009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1142009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == pg) 1143009ea47eSEdward Tomasz Napierala break; 1144009ea47eSEdward Tomasz Napierala } 1145009ea47eSEdward Tomasz Napierala if (targ == NULL) { 1146009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, "default") != 0) 1147009ea47eSEdward Tomasz Napierala log_warnx("portal-group \"%s\" not assigned " 1148009ea47eSEdward Tomasz Napierala "to any target", pg->pg_name); 1149009ea47eSEdward Tomasz Napierala pg->pg_unassigned = true; 1150009ea47eSEdward Tomasz Napierala } else 1151009ea47eSEdward Tomasz Napierala pg->pg_unassigned = false; 1152009ea47eSEdward Tomasz Napierala } 1153009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1154009ea47eSEdward Tomasz Napierala if (ag->ag_name == NULL) 1155009ea47eSEdward Tomasz Napierala assert(ag->ag_target != NULL); 1156009ea47eSEdward Tomasz Napierala else 1157009ea47eSEdward Tomasz Napierala assert(ag->ag_target == NULL); 1158009ea47eSEdward Tomasz Napierala 1159009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1160009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == ag) 1161009ea47eSEdward Tomasz Napierala break; 1162009ea47eSEdward Tomasz Napierala } 1163009ea47eSEdward Tomasz Napierala if (targ == NULL && ag->ag_name != NULL && 1164ccb1f04dSEdward Tomasz Napierala strcmp(ag->ag_name, "default") != 0 && 1165009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-authentication") != 0 && 1166009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-access") != 0) { 1167009ea47eSEdward Tomasz Napierala log_warnx("auth-group \"%s\" not assigned " 1168009ea47eSEdward Tomasz Napierala "to any target", ag->ag_name); 1169009ea47eSEdward Tomasz Napierala } 1170009ea47eSEdward Tomasz Napierala } 1171009ea47eSEdward Tomasz Napierala 1172009ea47eSEdward Tomasz Napierala return (0); 1173009ea47eSEdward Tomasz Napierala } 1174009ea47eSEdward Tomasz Napierala 1175009ea47eSEdward Tomasz Napierala static int 1176009ea47eSEdward Tomasz Napierala conf_apply(struct conf *oldconf, struct conf *newconf) 1177009ea47eSEdward Tomasz Napierala { 1178009ea47eSEdward Tomasz Napierala struct target *oldtarg, *newtarg, *tmptarg; 1179009ea47eSEdward Tomasz Napierala struct lun *oldlun, *newlun, *tmplun; 1180009ea47eSEdward Tomasz Napierala struct portal_group *oldpg, *newpg; 1181009ea47eSEdward Tomasz Napierala struct portal *oldp, *newp; 1182009ea47eSEdward Tomasz Napierala pid_t otherpid; 1183009ea47eSEdward Tomasz Napierala int changed, cumulated_error = 0, error; 1184009ea47eSEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 1185009ea47eSEdward Tomasz Napierala int one = 1; 1186009ea47eSEdward Tomasz Napierala #endif 1187009ea47eSEdward Tomasz Napierala 1188009ea47eSEdward Tomasz Napierala if (oldconf->conf_debug != newconf->conf_debug) { 1189009ea47eSEdward Tomasz Napierala log_debugx("changing debug level to %d", newconf->conf_debug); 1190009ea47eSEdward Tomasz Napierala log_init(newconf->conf_debug); 1191009ea47eSEdward Tomasz Napierala } 1192009ea47eSEdward Tomasz Napierala 1193009ea47eSEdward Tomasz Napierala if (oldconf->conf_pidfh != NULL) { 1194009ea47eSEdward Tomasz Napierala assert(oldconf->conf_pidfile_path != NULL); 1195009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfile_path != NULL && 1196009ea47eSEdward Tomasz Napierala strcmp(oldconf->conf_pidfile_path, 1197009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path) == 0) { 1198009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = oldconf->conf_pidfh; 1199009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1200009ea47eSEdward Tomasz Napierala } else { 1201009ea47eSEdward Tomasz Napierala log_debugx("removing pidfile %s", 1202009ea47eSEdward Tomasz Napierala oldconf->conf_pidfile_path); 1203009ea47eSEdward Tomasz Napierala pidfile_remove(oldconf->conf_pidfh); 1204009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1205009ea47eSEdward Tomasz Napierala } 1206009ea47eSEdward Tomasz Napierala } 1207009ea47eSEdward Tomasz Napierala 1208009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL && newconf->conf_pidfile_path != NULL) { 1209009ea47eSEdward Tomasz Napierala log_debugx("opening pidfile %s", newconf->conf_pidfile_path); 1210009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = 1211009ea47eSEdward Tomasz Napierala pidfile_open(newconf->conf_pidfile_path, 0600, &otherpid); 1212009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL) { 1213009ea47eSEdward Tomasz Napierala if (errno == EEXIST) 1214009ea47eSEdward Tomasz Napierala log_errx(1, "daemon already running, pid: %jd.", 1215009ea47eSEdward Tomasz Napierala (intmax_t)otherpid); 1216009ea47eSEdward Tomasz Napierala log_err(1, "cannot open or create pidfile \"%s\"", 1217009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path); 1218009ea47eSEdward Tomasz Napierala } 1219009ea47eSEdward Tomasz Napierala } 1220009ea47eSEdward Tomasz Napierala 1221009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldtarg, &oldconf->conf_targets, t_next, tmptarg) { 1222009ea47eSEdward Tomasz Napierala /* 1223009ea47eSEdward Tomasz Napierala * First, remove any targets present in the old configuration 1224009ea47eSEdward Tomasz Napierala * and missing in the new one. 1225009ea47eSEdward Tomasz Napierala */ 1226f7ae5bf8SEdward Tomasz Napierala newtarg = target_find(newconf, oldtarg->t_name); 1227009ea47eSEdward Tomasz Napierala if (newtarg == NULL) { 1228009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldlun, &oldtarg->t_luns, l_next, 1229009ea47eSEdward Tomasz Napierala tmplun) { 1230009ea47eSEdward Tomasz Napierala log_debugx("target %s not found in the " 1231009ea47eSEdward Tomasz Napierala "configuration file; removing its lun %d, " 1232009ea47eSEdward Tomasz Napierala "backed by CTL lun %d", 1233f7ae5bf8SEdward Tomasz Napierala oldtarg->t_name, oldlun->l_lun, 1234009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1235009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1236009ea47eSEdward Tomasz Napierala if (error != 0) { 1237009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1238009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1239f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1240009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1241009ea47eSEdward Tomasz Napierala cumulated_error++; 1242009ea47eSEdward Tomasz Napierala } 1243009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1244009ea47eSEdward Tomasz Napierala } 1245009ea47eSEdward Tomasz Napierala target_delete(oldtarg); 1246009ea47eSEdward Tomasz Napierala continue; 1247009ea47eSEdward Tomasz Napierala } 1248009ea47eSEdward Tomasz Napierala 1249009ea47eSEdward Tomasz Napierala /* 1250009ea47eSEdward Tomasz Napierala * Second, remove any LUNs present in the old target 1251009ea47eSEdward Tomasz Napierala * and missing in the new one. 1252009ea47eSEdward Tomasz Napierala */ 1253009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldlun, &oldtarg->t_luns, l_next, tmplun) { 1254009ea47eSEdward Tomasz Napierala newlun = lun_find(newtarg, oldlun->l_lun); 1255009ea47eSEdward Tomasz Napierala if (newlun == NULL) { 1256009ea47eSEdward Tomasz Napierala log_debugx("lun %d, target %s, CTL lun %d " 1257009ea47eSEdward Tomasz Napierala "not found in the configuration file; " 1258f7ae5bf8SEdward Tomasz Napierala "removing", oldlun->l_lun, oldtarg->t_name, 1259009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1260009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1261009ea47eSEdward Tomasz Napierala if (error != 0) { 1262009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1263009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1264f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1265009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1266009ea47eSEdward Tomasz Napierala cumulated_error++; 1267009ea47eSEdward Tomasz Napierala } 1268009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1269009ea47eSEdward Tomasz Napierala continue; 1270009ea47eSEdward Tomasz Napierala } 1271009ea47eSEdward Tomasz Napierala 1272009ea47eSEdward Tomasz Napierala /* 1273009ea47eSEdward Tomasz Napierala * Also remove the LUNs changed by more than size. 1274009ea47eSEdward Tomasz Napierala */ 1275009ea47eSEdward Tomasz Napierala changed = 0; 1276009ea47eSEdward Tomasz Napierala assert(oldlun->l_backend != NULL); 1277009ea47eSEdward Tomasz Napierala assert(newlun->l_backend != NULL); 1278009ea47eSEdward Tomasz Napierala if (strcmp(newlun->l_backend, oldlun->l_backend) != 0) { 1279009ea47eSEdward Tomasz Napierala log_debugx("backend for lun %d, target %s, " 1280009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1281f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1282009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1283009ea47eSEdward Tomasz Napierala changed = 1; 1284009ea47eSEdward Tomasz Napierala } 1285009ea47eSEdward Tomasz Napierala if (oldlun->l_blocksize != newlun->l_blocksize) { 1286009ea47eSEdward Tomasz Napierala log_debugx("blocksize for lun %d, target %s, " 1287009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1288f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1289009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1290009ea47eSEdward Tomasz Napierala changed = 1; 1291009ea47eSEdward Tomasz Napierala } 1292009ea47eSEdward Tomasz Napierala if (newlun->l_device_id != NULL && 1293009ea47eSEdward Tomasz Napierala (oldlun->l_device_id == NULL || 1294009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_device_id, newlun->l_device_id) != 1295009ea47eSEdward Tomasz Napierala 0)) { 1296009ea47eSEdward Tomasz Napierala log_debugx("device-id for lun %d, target %s, " 1297009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1298f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1299009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1300009ea47eSEdward Tomasz Napierala changed = 1; 1301009ea47eSEdward Tomasz Napierala } 1302009ea47eSEdward Tomasz Napierala if (newlun->l_path != NULL && 1303009ea47eSEdward Tomasz Napierala (oldlun->l_path == NULL || 1304009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_path, newlun->l_path) != 0)) { 1305009ea47eSEdward Tomasz Napierala log_debugx("path for lun %d, target %s, " 1306009ea47eSEdward Tomasz Napierala "CTL lun %d, changed; removing", 1307f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1308009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1309009ea47eSEdward Tomasz Napierala changed = 1; 1310009ea47eSEdward Tomasz Napierala } 1311009ea47eSEdward Tomasz Napierala if (newlun->l_serial != NULL && 1312009ea47eSEdward Tomasz Napierala (oldlun->l_serial == NULL || 1313009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_serial, newlun->l_serial) != 0)) { 1314009ea47eSEdward Tomasz Napierala log_debugx("serial for lun %d, target %s, " 1315009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1316f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1317009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1318009ea47eSEdward Tomasz Napierala changed = 1; 1319009ea47eSEdward Tomasz Napierala } 1320009ea47eSEdward Tomasz Napierala if (changed) { 1321009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1322009ea47eSEdward Tomasz Napierala if (error != 0) { 1323009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1324009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1325f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1326009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1327009ea47eSEdward Tomasz Napierala cumulated_error++; 1328009ea47eSEdward Tomasz Napierala } 1329009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1330009ea47eSEdward Tomasz Napierala continue; 1331009ea47eSEdward Tomasz Napierala } 1332009ea47eSEdward Tomasz Napierala 1333009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(newlun, oldlun->l_ctl_lun); 1334009ea47eSEdward Tomasz Napierala } 1335009ea47eSEdward Tomasz Napierala } 1336009ea47eSEdward Tomasz Napierala 1337009ea47eSEdward Tomasz Napierala /* 1338009ea47eSEdward Tomasz Napierala * Now add new targets or modify existing ones. 1339009ea47eSEdward Tomasz Napierala */ 1340009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newtarg, &newconf->conf_targets, t_next) { 1341f7ae5bf8SEdward Tomasz Napierala oldtarg = target_find(oldconf, newtarg->t_name); 1342009ea47eSEdward Tomasz Napierala 1343009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newlun, &newtarg->t_luns, l_next) { 1344009ea47eSEdward Tomasz Napierala if (oldtarg != NULL) { 1345009ea47eSEdward Tomasz Napierala oldlun = lun_find(oldtarg, newlun->l_lun); 1346009ea47eSEdward Tomasz Napierala if (oldlun != NULL) { 1347009ea47eSEdward Tomasz Napierala if (newlun->l_size != oldlun->l_size) { 1348009ea47eSEdward Tomasz Napierala log_debugx("resizing lun %d, " 1349009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1350009ea47eSEdward Tomasz Napierala newlun->l_lun, 1351f7ae5bf8SEdward Tomasz Napierala newtarg->t_name, 1352009ea47eSEdward Tomasz Napierala newlun->l_ctl_lun); 1353009ea47eSEdward Tomasz Napierala error = 1354009ea47eSEdward Tomasz Napierala kernel_lun_resize(newlun); 1355009ea47eSEdward Tomasz Napierala if (error != 0) { 1356009ea47eSEdward Tomasz Napierala log_warnx("failed to " 1357009ea47eSEdward Tomasz Napierala "resize lun %d, " 1358009ea47eSEdward Tomasz Napierala "target %s, " 1359009ea47eSEdward Tomasz Napierala "CTL lun %d", 1360009ea47eSEdward Tomasz Napierala newlun->l_lun, 1361f7ae5bf8SEdward Tomasz Napierala newtarg->t_name, 1362009ea47eSEdward Tomasz Napierala newlun->l_lun); 1363009ea47eSEdward Tomasz Napierala cumulated_error++; 1364009ea47eSEdward Tomasz Napierala } 1365009ea47eSEdward Tomasz Napierala } 1366009ea47eSEdward Tomasz Napierala continue; 1367009ea47eSEdward Tomasz Napierala } 1368009ea47eSEdward Tomasz Napierala } 1369009ea47eSEdward Tomasz Napierala log_debugx("adding lun %d, target %s", 1370f7ae5bf8SEdward Tomasz Napierala newlun->l_lun, newtarg->t_name); 1371009ea47eSEdward Tomasz Napierala error = kernel_lun_add(newlun); 1372009ea47eSEdward Tomasz Napierala if (error != 0) { 1373009ea47eSEdward Tomasz Napierala log_warnx("failed to add lun %d, target %s", 1374f7ae5bf8SEdward Tomasz Napierala newlun->l_lun, newtarg->t_name); 1375009ea47eSEdward Tomasz Napierala cumulated_error++; 1376009ea47eSEdward Tomasz Napierala } 1377009ea47eSEdward Tomasz Napierala } 1378009ea47eSEdward Tomasz Napierala } 1379009ea47eSEdward Tomasz Napierala 1380009ea47eSEdward Tomasz Napierala /* 1381009ea47eSEdward Tomasz Napierala * Go through the new portals, opening the sockets as neccessary. 1382009ea47eSEdward Tomasz Napierala */ 1383009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1384009ea47eSEdward Tomasz Napierala if (newpg->pg_unassigned) { 1385009ea47eSEdward Tomasz Napierala log_debugx("not listening on portal-group \"%s\", " 1386009ea47eSEdward Tomasz Napierala "not assigned to any target", 1387009ea47eSEdward Tomasz Napierala newpg->pg_name); 1388009ea47eSEdward Tomasz Napierala continue; 1389009ea47eSEdward Tomasz Napierala } 1390009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newp, &newpg->pg_portals, p_next) { 1391009ea47eSEdward Tomasz Napierala /* 1392009ea47eSEdward Tomasz Napierala * Try to find already open portal and reuse 1393009ea47eSEdward Tomasz Napierala * the listening socket. We don't care about 1394009ea47eSEdward Tomasz Napierala * what portal or portal group that was, what 1395009ea47eSEdward Tomasz Napierala * matters is the listening address. 1396009ea47eSEdward Tomasz Napierala */ 1397009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, 1398009ea47eSEdward Tomasz Napierala pg_next) { 1399009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, 1400009ea47eSEdward Tomasz Napierala p_next) { 1401009ea47eSEdward Tomasz Napierala if (strcmp(newp->p_listen, 1402009ea47eSEdward Tomasz Napierala oldp->p_listen) == 0 && 1403009ea47eSEdward Tomasz Napierala oldp->p_socket > 0) { 1404009ea47eSEdward Tomasz Napierala newp->p_socket = 1405009ea47eSEdward Tomasz Napierala oldp->p_socket; 1406009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1407009ea47eSEdward Tomasz Napierala break; 1408009ea47eSEdward Tomasz Napierala } 1409009ea47eSEdward Tomasz Napierala } 1410009ea47eSEdward Tomasz Napierala } 1411009ea47eSEdward Tomasz Napierala if (newp->p_socket > 0) { 1412009ea47eSEdward Tomasz Napierala /* 1413009ea47eSEdward Tomasz Napierala * We're done with this portal. 1414009ea47eSEdward Tomasz Napierala */ 1415009ea47eSEdward Tomasz Napierala continue; 1416009ea47eSEdward Tomasz Napierala } 1417009ea47eSEdward Tomasz Napierala 1418009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1419009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\" using ICL proxy", 1420009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 1421009ea47eSEdward Tomasz Napierala kernel_listen(newp->p_ai, newp->p_iser); 1422009ea47eSEdward Tomasz Napierala #else 1423009ea47eSEdward Tomasz Napierala assert(newp->p_iser == false); 1424009ea47eSEdward Tomasz Napierala 1425009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\"", 1426009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 1427009ea47eSEdward Tomasz Napierala newp->p_socket = socket(newp->p_ai->ai_family, 1428009ea47eSEdward Tomasz Napierala newp->p_ai->ai_socktype, 1429009ea47eSEdward Tomasz Napierala newp->p_ai->ai_protocol); 1430009ea47eSEdward Tomasz Napierala if (newp->p_socket < 0) { 1431009ea47eSEdward Tomasz Napierala log_warn("socket(2) failed for %s", 1432009ea47eSEdward Tomasz Napierala newp->p_listen); 1433009ea47eSEdward Tomasz Napierala cumulated_error++; 1434009ea47eSEdward Tomasz Napierala continue; 1435009ea47eSEdward Tomasz Napierala } 1436009ea47eSEdward Tomasz Napierala error = setsockopt(newp->p_socket, SOL_SOCKET, 1437009ea47eSEdward Tomasz Napierala SO_REUSEADDR, &one, sizeof(one)); 1438009ea47eSEdward Tomasz Napierala if (error != 0) { 1439009ea47eSEdward Tomasz Napierala log_warn("setsockopt(SO_REUSEADDR) failed " 1440009ea47eSEdward Tomasz Napierala "for %s", newp->p_listen); 1441009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1442009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1443009ea47eSEdward Tomasz Napierala cumulated_error++; 1444009ea47eSEdward Tomasz Napierala continue; 1445009ea47eSEdward Tomasz Napierala } 1446009ea47eSEdward Tomasz Napierala error = bind(newp->p_socket, newp->p_ai->ai_addr, 1447009ea47eSEdward Tomasz Napierala newp->p_ai->ai_addrlen); 1448009ea47eSEdward Tomasz Napierala if (error != 0) { 1449009ea47eSEdward Tomasz Napierala log_warn("bind(2) failed for %s", 1450009ea47eSEdward Tomasz Napierala newp->p_listen); 1451009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1452009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1453009ea47eSEdward Tomasz Napierala cumulated_error++; 1454009ea47eSEdward Tomasz Napierala continue; 1455009ea47eSEdward Tomasz Napierala } 1456009ea47eSEdward Tomasz Napierala error = listen(newp->p_socket, -1); 1457009ea47eSEdward Tomasz Napierala if (error != 0) { 1458009ea47eSEdward Tomasz Napierala log_warn("listen(2) failed for %s", 1459009ea47eSEdward Tomasz Napierala newp->p_listen); 1460009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1461009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1462009ea47eSEdward Tomasz Napierala cumulated_error++; 1463009ea47eSEdward Tomasz Napierala continue; 1464009ea47eSEdward Tomasz Napierala } 1465009ea47eSEdward Tomasz Napierala #endif /* !ICL_KERNEL_PROXY */ 1466009ea47eSEdward Tomasz Napierala } 1467009ea47eSEdward Tomasz Napierala } 1468009ea47eSEdward Tomasz Napierala 1469009ea47eSEdward Tomasz Napierala /* 1470009ea47eSEdward Tomasz Napierala * Go through the no longer used sockets, closing them. 1471009ea47eSEdward Tomasz Napierala */ 1472009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, pg_next) { 1473009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, p_next) { 1474009ea47eSEdward Tomasz Napierala if (oldp->p_socket <= 0) 1475009ea47eSEdward Tomasz Napierala continue; 1476009ea47eSEdward Tomasz Napierala log_debugx("closing socket for %s, portal-group \"%s\"", 1477009ea47eSEdward Tomasz Napierala oldp->p_listen, oldpg->pg_name); 1478009ea47eSEdward Tomasz Napierala close(oldp->p_socket); 1479009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1480009ea47eSEdward Tomasz Napierala } 1481009ea47eSEdward Tomasz Napierala } 1482009ea47eSEdward Tomasz Napierala 1483009ea47eSEdward Tomasz Napierala return (cumulated_error); 1484009ea47eSEdward Tomasz Napierala } 1485009ea47eSEdward Tomasz Napierala 1486009ea47eSEdward Tomasz Napierala bool 1487009ea47eSEdward Tomasz Napierala timed_out(void) 1488009ea47eSEdward Tomasz Napierala { 1489009ea47eSEdward Tomasz Napierala 1490009ea47eSEdward Tomasz Napierala return (sigalrm_received); 1491009ea47eSEdward Tomasz Napierala } 1492009ea47eSEdward Tomasz Napierala 1493009ea47eSEdward Tomasz Napierala static void 1494009ea47eSEdward Tomasz Napierala sigalrm_handler(int dummy __unused) 1495009ea47eSEdward Tomasz Napierala { 1496009ea47eSEdward Tomasz Napierala /* 1497009ea47eSEdward Tomasz Napierala * It would be easiest to just log an error and exit. We can't 1498009ea47eSEdward Tomasz Napierala * do this, though, because log_errx() is not signal safe, since 1499009ea47eSEdward Tomasz Napierala * it calls syslog(3). Instead, set a flag checked by pdu_send() 1500009ea47eSEdward Tomasz Napierala * and pdu_receive(), to call log_errx() there. Should they fail 1501009ea47eSEdward Tomasz Napierala * to notice, we'll exit here one second later. 1502009ea47eSEdward Tomasz Napierala */ 1503009ea47eSEdward Tomasz Napierala if (sigalrm_received) { 1504009ea47eSEdward Tomasz Napierala /* 1505009ea47eSEdward Tomasz Napierala * Oh well. Just give up and quit. 1506009ea47eSEdward Tomasz Napierala */ 1507009ea47eSEdward Tomasz Napierala _exit(2); 1508009ea47eSEdward Tomasz Napierala } 1509009ea47eSEdward Tomasz Napierala 1510009ea47eSEdward Tomasz Napierala sigalrm_received = true; 1511009ea47eSEdward Tomasz Napierala } 1512009ea47eSEdward Tomasz Napierala 1513009ea47eSEdward Tomasz Napierala static void 1514009ea47eSEdward Tomasz Napierala set_timeout(const struct conf *conf) 1515009ea47eSEdward Tomasz Napierala { 1516009ea47eSEdward Tomasz Napierala struct sigaction sa; 1517009ea47eSEdward Tomasz Napierala struct itimerval itv; 1518009ea47eSEdward Tomasz Napierala int error; 1519009ea47eSEdward Tomasz Napierala 1520009ea47eSEdward Tomasz Napierala if (conf->conf_timeout <= 0) { 1521009ea47eSEdward Tomasz Napierala log_debugx("session timeout disabled"); 1522009ea47eSEdward Tomasz Napierala return; 1523009ea47eSEdward Tomasz Napierala } 1524009ea47eSEdward Tomasz Napierala 1525009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 1526009ea47eSEdward Tomasz Napierala sa.sa_handler = sigalrm_handler; 1527009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 1528009ea47eSEdward Tomasz Napierala error = sigaction(SIGALRM, &sa, NULL); 1529009ea47eSEdward Tomasz Napierala if (error != 0) 1530009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1531009ea47eSEdward Tomasz Napierala 1532009ea47eSEdward Tomasz Napierala /* 1533009ea47eSEdward Tomasz Napierala * First SIGALRM will arive after conf_timeout seconds. 1534009ea47eSEdward Tomasz Napierala * If we do nothing, another one will arrive a second later. 1535009ea47eSEdward Tomasz Napierala */ 1536009ea47eSEdward Tomasz Napierala bzero(&itv, sizeof(itv)); 1537009ea47eSEdward Tomasz Napierala itv.it_interval.tv_sec = 1; 1538009ea47eSEdward Tomasz Napierala itv.it_value.tv_sec = conf->conf_timeout; 1539009ea47eSEdward Tomasz Napierala 1540009ea47eSEdward Tomasz Napierala log_debugx("setting session timeout to %d seconds", 1541009ea47eSEdward Tomasz Napierala conf->conf_timeout); 1542009ea47eSEdward Tomasz Napierala error = setitimer(ITIMER_REAL, &itv, NULL); 1543009ea47eSEdward Tomasz Napierala if (error != 0) 1544009ea47eSEdward Tomasz Napierala log_err(1, "setitimer"); 1545009ea47eSEdward Tomasz Napierala } 1546009ea47eSEdward Tomasz Napierala 1547009ea47eSEdward Tomasz Napierala static int 1548009ea47eSEdward Tomasz Napierala wait_for_children(bool block) 1549009ea47eSEdward Tomasz Napierala { 1550009ea47eSEdward Tomasz Napierala pid_t pid; 1551009ea47eSEdward Tomasz Napierala int status; 1552009ea47eSEdward Tomasz Napierala int num = 0; 1553009ea47eSEdward Tomasz Napierala 1554009ea47eSEdward Tomasz Napierala for (;;) { 1555009ea47eSEdward Tomasz Napierala /* 1556009ea47eSEdward Tomasz Napierala * If "block" is true, wait for at least one process. 1557009ea47eSEdward Tomasz Napierala */ 1558009ea47eSEdward Tomasz Napierala if (block && num == 0) 1559009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, 0, NULL); 1560009ea47eSEdward Tomasz Napierala else 1561009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, WNOHANG, NULL); 1562009ea47eSEdward Tomasz Napierala if (pid <= 0) 1563009ea47eSEdward Tomasz Napierala break; 1564009ea47eSEdward Tomasz Napierala if (WIFSIGNALED(status)) { 1565009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with signal %d", 1566009ea47eSEdward Tomasz Napierala pid, WTERMSIG(status)); 1567009ea47eSEdward Tomasz Napierala } else if (WEXITSTATUS(status) != 0) { 1568009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with exit status %d", 1569009ea47eSEdward Tomasz Napierala pid, WEXITSTATUS(status)); 1570009ea47eSEdward Tomasz Napierala } else { 1571009ea47eSEdward Tomasz Napierala log_debugx("child process %d terminated gracefully", pid); 1572009ea47eSEdward Tomasz Napierala } 1573009ea47eSEdward Tomasz Napierala num++; 1574009ea47eSEdward Tomasz Napierala } 1575009ea47eSEdward Tomasz Napierala 1576009ea47eSEdward Tomasz Napierala return (num); 1577009ea47eSEdward Tomasz Napierala } 1578009ea47eSEdward Tomasz Napierala 1579009ea47eSEdward Tomasz Napierala static void 1580009ea47eSEdward Tomasz Napierala handle_connection(struct portal *portal, int fd, bool dont_fork) 1581009ea47eSEdward Tomasz Napierala { 1582009ea47eSEdward Tomasz Napierala struct connection *conn; 1583009ea47eSEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 1584009ea47eSEdward Tomasz Napierala struct sockaddr_storage ss; 1585009ea47eSEdward Tomasz Napierala socklen_t sslen = sizeof(ss); 1586009ea47eSEdward Tomasz Napierala int error; 1587009ea47eSEdward Tomasz Napierala #endif 1588009ea47eSEdward Tomasz Napierala pid_t pid; 1589009ea47eSEdward Tomasz Napierala char host[NI_MAXHOST + 1]; 1590009ea47eSEdward Tomasz Napierala struct conf *conf; 1591009ea47eSEdward Tomasz Napierala 1592009ea47eSEdward Tomasz Napierala conf = portal->p_portal_group->pg_conf; 1593009ea47eSEdward Tomasz Napierala 1594009ea47eSEdward Tomasz Napierala if (dont_fork) { 1595009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; not forking due to -d flag"); 1596009ea47eSEdward Tomasz Napierala } else { 1597009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 1598009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1599009ea47eSEdward Tomasz Napierala 1600009ea47eSEdward Tomasz Napierala while (conf->conf_maxproc > 0 && nchildren >= conf->conf_maxproc) { 1601009ea47eSEdward Tomasz Napierala log_debugx("maxproc limit of %d child processes hit; " 1602009ea47eSEdward Tomasz Napierala "waiting for child process to exit", conf->conf_maxproc); 1603009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(true); 1604009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1605009ea47eSEdward Tomasz Napierala } 1606009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; forking child process #%d", 1607009ea47eSEdward Tomasz Napierala nchildren); 1608009ea47eSEdward Tomasz Napierala nchildren++; 1609009ea47eSEdward Tomasz Napierala pid = fork(); 1610009ea47eSEdward Tomasz Napierala if (pid < 0) 1611009ea47eSEdward Tomasz Napierala log_err(1, "fork"); 1612009ea47eSEdward Tomasz Napierala if (pid > 0) { 1613009ea47eSEdward Tomasz Napierala close(fd); 1614009ea47eSEdward Tomasz Napierala return; 1615009ea47eSEdward Tomasz Napierala } 1616009ea47eSEdward Tomasz Napierala } 1617009ea47eSEdward Tomasz Napierala pidfile_close(conf->conf_pidfh); 1618009ea47eSEdward Tomasz Napierala 1619009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1620009ea47eSEdward Tomasz Napierala /* 1621009ea47eSEdward Tomasz Napierala * XXX 1622009ea47eSEdward Tomasz Napierala */ 1623009ea47eSEdward Tomasz Napierala log_set_peer_addr("XXX"); 1624009ea47eSEdward Tomasz Napierala #else 1625009ea47eSEdward Tomasz Napierala error = getpeername(fd, (struct sockaddr *)&ss, &sslen); 1626009ea47eSEdward Tomasz Napierala if (error != 0) 1627009ea47eSEdward Tomasz Napierala log_err(1, "getpeername"); 1628009ea47eSEdward Tomasz Napierala error = getnameinfo((struct sockaddr *)&ss, sslen, 1629009ea47eSEdward Tomasz Napierala host, sizeof(host), NULL, 0, NI_NUMERICHOST); 1630009ea47eSEdward Tomasz Napierala if (error != 0) 1631009ea47eSEdward Tomasz Napierala log_errx(1, "getaddrinfo: %s", gai_strerror(error)); 1632009ea47eSEdward Tomasz Napierala 1633009ea47eSEdward Tomasz Napierala log_debugx("accepted connection from %s; portal group \"%s\"", 1634009ea47eSEdward Tomasz Napierala host, portal->p_portal_group->pg_name); 1635009ea47eSEdward Tomasz Napierala log_set_peer_addr(host); 1636009ea47eSEdward Tomasz Napierala setproctitle("%s", host); 1637009ea47eSEdward Tomasz Napierala #endif 1638009ea47eSEdward Tomasz Napierala 1639009ea47eSEdward Tomasz Napierala conn = connection_new(portal, fd, host); 1640009ea47eSEdward Tomasz Napierala set_timeout(conf); 1641009ea47eSEdward Tomasz Napierala kernel_capsicate(); 1642009ea47eSEdward Tomasz Napierala login(conn); 1643009ea47eSEdward Tomasz Napierala if (conn->conn_session_type == CONN_SESSION_TYPE_NORMAL) { 1644009ea47eSEdward Tomasz Napierala kernel_handoff(conn); 1645009ea47eSEdward Tomasz Napierala log_debugx("connection handed off to the kernel"); 1646009ea47eSEdward Tomasz Napierala } else { 1647009ea47eSEdward Tomasz Napierala assert(conn->conn_session_type == CONN_SESSION_TYPE_DISCOVERY); 1648009ea47eSEdward Tomasz Napierala discovery(conn); 1649009ea47eSEdward Tomasz Napierala } 1650009ea47eSEdward Tomasz Napierala log_debugx("nothing more to do; exiting"); 1651009ea47eSEdward Tomasz Napierala exit(0); 1652009ea47eSEdward Tomasz Napierala } 1653009ea47eSEdward Tomasz Napierala 1654009ea47eSEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 1655009ea47eSEdward Tomasz Napierala static int 1656009ea47eSEdward Tomasz Napierala fd_add(int fd, fd_set *fdset, int nfds) 1657009ea47eSEdward Tomasz Napierala { 1658009ea47eSEdward Tomasz Napierala 1659009ea47eSEdward Tomasz Napierala /* 1660009ea47eSEdward Tomasz Napierala * Skip sockets which we failed to bind. 1661009ea47eSEdward Tomasz Napierala */ 1662009ea47eSEdward Tomasz Napierala if (fd <= 0) 1663009ea47eSEdward Tomasz Napierala return (nfds); 1664009ea47eSEdward Tomasz Napierala 1665009ea47eSEdward Tomasz Napierala FD_SET(fd, fdset); 1666009ea47eSEdward Tomasz Napierala if (fd > nfds) 1667009ea47eSEdward Tomasz Napierala nfds = fd; 1668009ea47eSEdward Tomasz Napierala return (nfds); 1669009ea47eSEdward Tomasz Napierala } 1670009ea47eSEdward Tomasz Napierala #endif 1671009ea47eSEdward Tomasz Napierala 1672009ea47eSEdward Tomasz Napierala static void 1673009ea47eSEdward Tomasz Napierala main_loop(struct conf *conf, bool dont_fork) 1674009ea47eSEdward Tomasz Napierala { 1675009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1676009ea47eSEdward Tomasz Napierala struct portal *portal; 1677009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1678009ea47eSEdward Tomasz Napierala int connection_id; 1679009ea47eSEdward Tomasz Napierala #else 1680009ea47eSEdward Tomasz Napierala fd_set fdset; 1681009ea47eSEdward Tomasz Napierala int error, nfds, client_fd; 1682009ea47eSEdward Tomasz Napierala #endif 1683009ea47eSEdward Tomasz Napierala 1684009ea47eSEdward Tomasz Napierala pidfile_write(conf->conf_pidfh); 1685009ea47eSEdward Tomasz Napierala 1686009ea47eSEdward Tomasz Napierala for (;;) { 1687009ea47eSEdward Tomasz Napierala if (sighup_received || sigterm_received) 1688009ea47eSEdward Tomasz Napierala return; 1689009ea47eSEdward Tomasz Napierala 1690009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1691009ea47eSEdward Tomasz Napierala connection_id = kernel_accept(); 1692009ea47eSEdward Tomasz Napierala if (connection_id == 0) 1693009ea47eSEdward Tomasz Napierala continue; 1694009ea47eSEdward Tomasz Napierala 1695009ea47eSEdward Tomasz Napierala /* 1696009ea47eSEdward Tomasz Napierala * XXX: This is obviously temporary. 1697009ea47eSEdward Tomasz Napierala */ 1698009ea47eSEdward Tomasz Napierala pg = TAILQ_FIRST(&conf->conf_portal_groups); 1699009ea47eSEdward Tomasz Napierala portal = TAILQ_FIRST(&pg->pg_portals); 1700009ea47eSEdward Tomasz Napierala 1701009ea47eSEdward Tomasz Napierala handle_connection(portal, connection_id, dont_fork); 1702009ea47eSEdward Tomasz Napierala #else 1703009ea47eSEdward Tomasz Napierala FD_ZERO(&fdset); 1704009ea47eSEdward Tomasz Napierala nfds = 0; 1705009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1706009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1707009ea47eSEdward Tomasz Napierala nfds = fd_add(portal->p_socket, &fdset, nfds); 1708009ea47eSEdward Tomasz Napierala } 1709009ea47eSEdward Tomasz Napierala error = select(nfds + 1, &fdset, NULL, NULL, NULL); 1710009ea47eSEdward Tomasz Napierala if (error <= 0) { 1711009ea47eSEdward Tomasz Napierala if (errno == EINTR) 1712009ea47eSEdward Tomasz Napierala return; 1713009ea47eSEdward Tomasz Napierala log_err(1, "select"); 1714009ea47eSEdward Tomasz Napierala } 1715009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1716009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 1717009ea47eSEdward Tomasz Napierala if (!FD_ISSET(portal->p_socket, &fdset)) 1718009ea47eSEdward Tomasz Napierala continue; 1719009ea47eSEdward Tomasz Napierala client_fd = accept(portal->p_socket, NULL, 0); 1720009ea47eSEdward Tomasz Napierala if (client_fd < 0) 1721009ea47eSEdward Tomasz Napierala log_err(1, "accept"); 1722009ea47eSEdward Tomasz Napierala handle_connection(portal, client_fd, dont_fork); 1723009ea47eSEdward Tomasz Napierala break; 1724009ea47eSEdward Tomasz Napierala } 1725009ea47eSEdward Tomasz Napierala } 1726009ea47eSEdward Tomasz Napierala #endif /* !ICL_KERNEL_PROXY */ 1727009ea47eSEdward Tomasz Napierala } 1728009ea47eSEdward Tomasz Napierala } 1729009ea47eSEdward Tomasz Napierala 1730009ea47eSEdward Tomasz Napierala static void 1731009ea47eSEdward Tomasz Napierala sighup_handler(int dummy __unused) 1732009ea47eSEdward Tomasz Napierala { 1733009ea47eSEdward Tomasz Napierala 1734009ea47eSEdward Tomasz Napierala sighup_received = true; 1735009ea47eSEdward Tomasz Napierala } 1736009ea47eSEdward Tomasz Napierala 1737009ea47eSEdward Tomasz Napierala static void 1738009ea47eSEdward Tomasz Napierala sigterm_handler(int dummy __unused) 1739009ea47eSEdward Tomasz Napierala { 1740009ea47eSEdward Tomasz Napierala 1741009ea47eSEdward Tomasz Napierala sigterm_received = true; 1742009ea47eSEdward Tomasz Napierala } 1743009ea47eSEdward Tomasz Napierala 1744009ea47eSEdward Tomasz Napierala static void 1745009ea47eSEdward Tomasz Napierala register_signals(void) 1746009ea47eSEdward Tomasz Napierala { 1747009ea47eSEdward Tomasz Napierala struct sigaction sa; 1748009ea47eSEdward Tomasz Napierala int error; 1749009ea47eSEdward Tomasz Napierala 1750009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 1751009ea47eSEdward Tomasz Napierala sa.sa_handler = sighup_handler; 1752009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 1753009ea47eSEdward Tomasz Napierala error = sigaction(SIGHUP, &sa, NULL); 1754009ea47eSEdward Tomasz Napierala if (error != 0) 1755009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1756009ea47eSEdward Tomasz Napierala 1757009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 1758009ea47eSEdward Tomasz Napierala error = sigaction(SIGTERM, &sa, NULL); 1759009ea47eSEdward Tomasz Napierala if (error != 0) 1760009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1761009ea47eSEdward Tomasz Napierala 1762009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 1763009ea47eSEdward Tomasz Napierala error = sigaction(SIGINT, &sa, NULL); 1764009ea47eSEdward Tomasz Napierala if (error != 0) 1765009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1766009ea47eSEdward Tomasz Napierala } 1767009ea47eSEdward Tomasz Napierala 1768009ea47eSEdward Tomasz Napierala int 1769009ea47eSEdward Tomasz Napierala main(int argc, char **argv) 1770009ea47eSEdward Tomasz Napierala { 1771009ea47eSEdward Tomasz Napierala struct conf *oldconf, *newconf, *tmpconf; 1772009ea47eSEdward Tomasz Napierala const char *config_path = DEFAULT_CONFIG_PATH; 1773009ea47eSEdward Tomasz Napierala int debug = 0, ch, error; 1774009ea47eSEdward Tomasz Napierala bool dont_daemonize = false; 1775009ea47eSEdward Tomasz Napierala 1776009ea47eSEdward Tomasz Napierala while ((ch = getopt(argc, argv, "df:")) != -1) { 1777009ea47eSEdward Tomasz Napierala switch (ch) { 1778009ea47eSEdward Tomasz Napierala case 'd': 1779009ea47eSEdward Tomasz Napierala dont_daemonize = true; 1780009ea47eSEdward Tomasz Napierala debug++; 1781009ea47eSEdward Tomasz Napierala break; 1782009ea47eSEdward Tomasz Napierala case 'f': 1783009ea47eSEdward Tomasz Napierala config_path = optarg; 1784009ea47eSEdward Tomasz Napierala break; 1785009ea47eSEdward Tomasz Napierala case '?': 1786009ea47eSEdward Tomasz Napierala default: 1787009ea47eSEdward Tomasz Napierala usage(); 1788009ea47eSEdward Tomasz Napierala } 1789009ea47eSEdward Tomasz Napierala } 1790009ea47eSEdward Tomasz Napierala argc -= optind; 1791009ea47eSEdward Tomasz Napierala if (argc != 0) 1792009ea47eSEdward Tomasz Napierala usage(); 1793009ea47eSEdward Tomasz Napierala 1794009ea47eSEdward Tomasz Napierala log_init(debug); 1795009ea47eSEdward Tomasz Napierala kernel_init(); 1796009ea47eSEdward Tomasz Napierala 1797009ea47eSEdward Tomasz Napierala oldconf = conf_new_from_kernel(); 1798009ea47eSEdward Tomasz Napierala newconf = conf_new_from_file(config_path); 1799009ea47eSEdward Tomasz Napierala if (newconf == NULL) 1800009ea47eSEdward Tomasz Napierala log_errx(1, "configuration error, exiting"); 1801009ea47eSEdward Tomasz Napierala if (debug > 0) { 1802009ea47eSEdward Tomasz Napierala oldconf->conf_debug = debug; 1803009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 1804009ea47eSEdward Tomasz Napierala } 1805009ea47eSEdward Tomasz Napierala 1806009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1807009ea47eSEdward Tomasz Napierala log_debugx("enabling CTL iSCSI port"); 1808009ea47eSEdward Tomasz Napierala error = kernel_port_on(); 1809009ea47eSEdward Tomasz Napierala if (error != 0) 1810009ea47eSEdward Tomasz Napierala log_errx(1, "failed to enable CTL iSCSI port, exiting"); 1811009ea47eSEdward Tomasz Napierala #endif 1812009ea47eSEdward Tomasz Napierala 1813009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 1814009ea47eSEdward Tomasz Napierala if (error != 0) 1815009ea47eSEdward Tomasz Napierala log_errx(1, "failed to apply configuration, exiting"); 1816009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 1817009ea47eSEdward Tomasz Napierala oldconf = NULL; 1818009ea47eSEdward Tomasz Napierala 1819009ea47eSEdward Tomasz Napierala register_signals(); 1820009ea47eSEdward Tomasz Napierala 1821009ea47eSEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 1822009ea47eSEdward Tomasz Napierala log_debugx("enabling CTL iSCSI port"); 1823009ea47eSEdward Tomasz Napierala error = kernel_port_on(); 1824009ea47eSEdward Tomasz Napierala if (error != 0) 1825009ea47eSEdward Tomasz Napierala log_errx(1, "failed to enable CTL iSCSI port, exiting"); 1826009ea47eSEdward Tomasz Napierala #endif 1827009ea47eSEdward Tomasz Napierala 18285d5a95f1SEdward Tomasz Napierala if (dont_daemonize == false) { 18295d5a95f1SEdward Tomasz Napierala log_debugx("daemonizing"); 18305d5a95f1SEdward Tomasz Napierala if (daemon(0, 0) == -1) { 18315d5a95f1SEdward Tomasz Napierala log_warn("cannot daemonize"); 18325d5a95f1SEdward Tomasz Napierala pidfile_remove(newconf->conf_pidfh); 18335d5a95f1SEdward Tomasz Napierala exit(1); 18345d5a95f1SEdward Tomasz Napierala } 18355d5a95f1SEdward Tomasz Napierala } 18365d5a95f1SEdward Tomasz Napierala 1837009ea47eSEdward Tomasz Napierala for (;;) { 1838009ea47eSEdward Tomasz Napierala main_loop(newconf, dont_daemonize); 1839009ea47eSEdward Tomasz Napierala if (sighup_received) { 1840009ea47eSEdward Tomasz Napierala sighup_received = false; 1841009ea47eSEdward Tomasz Napierala log_debugx("received SIGHUP, reloading configuration"); 1842009ea47eSEdward Tomasz Napierala tmpconf = conf_new_from_file(config_path); 1843009ea47eSEdward Tomasz Napierala if (tmpconf == NULL) { 1844009ea47eSEdward Tomasz Napierala log_warnx("configuration error, " 1845009ea47eSEdward Tomasz Napierala "continuing with old configuration"); 1846009ea47eSEdward Tomasz Napierala } else { 1847009ea47eSEdward Tomasz Napierala if (debug > 0) 1848009ea47eSEdward Tomasz Napierala tmpconf->conf_debug = debug; 1849009ea47eSEdward Tomasz Napierala oldconf = newconf; 1850009ea47eSEdward Tomasz Napierala newconf = tmpconf; 1851009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 1852009ea47eSEdward Tomasz Napierala if (error != 0) 1853009ea47eSEdward Tomasz Napierala log_warnx("failed to reload " 1854009ea47eSEdward Tomasz Napierala "configuration"); 1855009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 1856009ea47eSEdward Tomasz Napierala oldconf = NULL; 1857009ea47eSEdward Tomasz Napierala } 1858009ea47eSEdward Tomasz Napierala } else if (sigterm_received) { 1859009ea47eSEdward Tomasz Napierala log_debugx("exiting on signal; " 1860009ea47eSEdward Tomasz Napierala "reloading empty configuration"); 1861009ea47eSEdward Tomasz Napierala 1862009ea47eSEdward Tomasz Napierala log_debugx("disabling CTL iSCSI port " 1863009ea47eSEdward Tomasz Napierala "and terminating all connections"); 1864009ea47eSEdward Tomasz Napierala error = kernel_port_off(); 1865009ea47eSEdward Tomasz Napierala if (error != 0) 1866009ea47eSEdward Tomasz Napierala log_warnx("failed to disable CTL iSCSI port"); 1867009ea47eSEdward Tomasz Napierala 1868009ea47eSEdward Tomasz Napierala oldconf = newconf; 1869009ea47eSEdward Tomasz Napierala newconf = conf_new(); 1870009ea47eSEdward Tomasz Napierala if (debug > 0) 1871009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 1872009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 1873009ea47eSEdward Tomasz Napierala if (error != 0) 1874009ea47eSEdward Tomasz Napierala log_warnx("failed to apply configuration"); 1875009ea47eSEdward Tomasz Napierala 1876009ea47eSEdward Tomasz Napierala log_warnx("exiting on signal"); 1877009ea47eSEdward Tomasz Napierala exit(0); 1878009ea47eSEdward Tomasz Napierala } else { 1879009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 1880009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1881009ea47eSEdward Tomasz Napierala } 1882009ea47eSEdward Tomasz Napierala } 1883009ea47eSEdward Tomasz Napierala /* NOTREACHED */ 1884009ea47eSEdward Tomasz Napierala } 1885