1009ea47eSEdward Tomasz Napierala /*- 2009ea47eSEdward Tomasz Napierala * Copyright (c) 2012 The FreeBSD Foundation 3009ea47eSEdward Tomasz Napierala * All rights reserved. 4009ea47eSEdward Tomasz Napierala * 5009ea47eSEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 6009ea47eSEdward Tomasz Napierala * from the FreeBSD Foundation. 7009ea47eSEdward Tomasz Napierala * 8009ea47eSEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 9009ea47eSEdward Tomasz Napierala * modification, are permitted provided that the following conditions 10009ea47eSEdward Tomasz Napierala * are met: 11009ea47eSEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 12009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 13009ea47eSEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 14009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 15009ea47eSEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 16009ea47eSEdward Tomasz Napierala * 17009ea47eSEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18009ea47eSEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19009ea47eSEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20009ea47eSEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21009ea47eSEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22009ea47eSEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23009ea47eSEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24009ea47eSEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25009ea47eSEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26009ea47eSEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27009ea47eSEdward Tomasz Napierala * SUCH DAMAGE. 28009ea47eSEdward Tomasz Napierala * 29009ea47eSEdward Tomasz Napierala */ 30009ea47eSEdward Tomasz Napierala 31b7a65e39SEdward Tomasz Napierala #include <sys/cdefs.h> 32b7a65e39SEdward Tomasz Napierala __FBSDID("$FreeBSD$"); 33b7a65e39SEdward Tomasz Napierala 34009ea47eSEdward Tomasz Napierala #include <sys/types.h> 35009ea47eSEdward Tomasz Napierala #include <sys/time.h> 36009ea47eSEdward Tomasz Napierala #include <sys/socket.h> 37009ea47eSEdward Tomasz Napierala #include <sys/wait.h> 38009ea47eSEdward Tomasz Napierala #include <netinet/in.h> 39073edb1cSAlexander Motin #include <arpa/inet.h> 40009ea47eSEdward Tomasz Napierala #include <assert.h> 41009ea47eSEdward Tomasz Napierala #include <ctype.h> 42009ea47eSEdward Tomasz Napierala #include <errno.h> 43009ea47eSEdward Tomasz Napierala #include <netdb.h> 44009ea47eSEdward Tomasz Napierala #include <signal.h> 45009ea47eSEdward Tomasz Napierala #include <stdbool.h> 46009ea47eSEdward Tomasz Napierala #include <stdio.h> 47009ea47eSEdward Tomasz Napierala #include <stdint.h> 48009ea47eSEdward Tomasz Napierala #include <stdlib.h> 49009ea47eSEdward Tomasz Napierala #include <string.h> 50009ea47eSEdward Tomasz Napierala #include <unistd.h> 51009ea47eSEdward Tomasz Napierala 52009ea47eSEdward Tomasz Napierala #include "ctld.h" 53009ea47eSEdward Tomasz Napierala 54ba3a2d31SEdward Tomasz Napierala bool proxy_mode = false; 55ba3a2d31SEdward Tomasz Napierala 56009ea47eSEdward Tomasz Napierala static volatile bool sighup_received = false; 57009ea47eSEdward Tomasz Napierala static volatile bool sigterm_received = false; 58009ea47eSEdward Tomasz Napierala static volatile bool sigalrm_received = false; 59009ea47eSEdward Tomasz Napierala 60009ea47eSEdward Tomasz Napierala static int nchildren = 0; 61009ea47eSEdward Tomasz Napierala 62009ea47eSEdward Tomasz Napierala static void 63009ea47eSEdward Tomasz Napierala usage(void) 64009ea47eSEdward Tomasz Napierala { 65009ea47eSEdward Tomasz Napierala 66009ea47eSEdward Tomasz Napierala fprintf(stderr, "usage: ctld [-d][-f config-file]\n"); 67009ea47eSEdward Tomasz Napierala exit(1); 68009ea47eSEdward Tomasz Napierala } 69009ea47eSEdward Tomasz Napierala 70009ea47eSEdward Tomasz Napierala char * 71009ea47eSEdward Tomasz Napierala checked_strdup(const char *s) 72009ea47eSEdward Tomasz Napierala { 73009ea47eSEdward Tomasz Napierala char *c; 74009ea47eSEdward Tomasz Napierala 75009ea47eSEdward Tomasz Napierala c = strdup(s); 76009ea47eSEdward Tomasz Napierala if (c == NULL) 77009ea47eSEdward Tomasz Napierala log_err(1, "strdup"); 78009ea47eSEdward Tomasz Napierala return (c); 79009ea47eSEdward Tomasz Napierala } 80009ea47eSEdward Tomasz Napierala 81009ea47eSEdward Tomasz Napierala struct conf * 82009ea47eSEdward Tomasz Napierala conf_new(void) 83009ea47eSEdward Tomasz Napierala { 84009ea47eSEdward Tomasz Napierala struct conf *conf; 85009ea47eSEdward Tomasz Napierala 86009ea47eSEdward Tomasz Napierala conf = calloc(1, sizeof(*conf)); 87009ea47eSEdward Tomasz Napierala if (conf == NULL) 88009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 89009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_targets); 90009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_auth_groups); 91009ea47eSEdward Tomasz Napierala TAILQ_INIT(&conf->conf_portal_groups); 92009ea47eSEdward Tomasz Napierala 93009ea47eSEdward Tomasz Napierala conf->conf_debug = 0; 94009ea47eSEdward Tomasz Napierala conf->conf_timeout = 60; 95009ea47eSEdward Tomasz Napierala conf->conf_maxproc = 30; 96009ea47eSEdward Tomasz Napierala 97009ea47eSEdward Tomasz Napierala return (conf); 98009ea47eSEdward Tomasz Napierala } 99009ea47eSEdward Tomasz Napierala 100009ea47eSEdward Tomasz Napierala void 101009ea47eSEdward Tomasz Napierala conf_delete(struct conf *conf) 102009ea47eSEdward Tomasz Napierala { 103009ea47eSEdward Tomasz Napierala struct target *targ, *tmp; 104009ea47eSEdward Tomasz Napierala struct auth_group *ag, *cagtmp; 105009ea47eSEdward Tomasz Napierala struct portal_group *pg, *cpgtmp; 106009ea47eSEdward Tomasz Napierala 107009ea47eSEdward Tomasz Napierala assert(conf->conf_pidfh == NULL); 108009ea47eSEdward Tomasz Napierala 109009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(targ, &conf->conf_targets, t_next, tmp) 110009ea47eSEdward Tomasz Napierala target_delete(targ); 111009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(ag, &conf->conf_auth_groups, ag_next, cagtmp) 112009ea47eSEdward Tomasz Napierala auth_group_delete(ag); 113009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(pg, &conf->conf_portal_groups, pg_next, cpgtmp) 114009ea47eSEdward Tomasz Napierala portal_group_delete(pg); 115009ea47eSEdward Tomasz Napierala free(conf->conf_pidfile_path); 116009ea47eSEdward Tomasz Napierala free(conf); 117009ea47eSEdward Tomasz Napierala } 118009ea47eSEdward Tomasz Napierala 119009ea47eSEdward Tomasz Napierala static struct auth * 120009ea47eSEdward Tomasz Napierala auth_new(struct auth_group *ag) 121009ea47eSEdward Tomasz Napierala { 122009ea47eSEdward Tomasz Napierala struct auth *auth; 123009ea47eSEdward Tomasz Napierala 124009ea47eSEdward Tomasz Napierala auth = calloc(1, sizeof(*auth)); 125009ea47eSEdward Tomasz Napierala if (auth == NULL) 126009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 127009ea47eSEdward Tomasz Napierala auth->a_auth_group = ag; 128009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_auths, auth, a_next); 129009ea47eSEdward Tomasz Napierala return (auth); 130009ea47eSEdward Tomasz Napierala } 131009ea47eSEdward Tomasz Napierala 132009ea47eSEdward Tomasz Napierala static void 133009ea47eSEdward Tomasz Napierala auth_delete(struct auth *auth) 134009ea47eSEdward Tomasz Napierala { 135009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&auth->a_auth_group->ag_auths, auth, a_next); 136009ea47eSEdward Tomasz Napierala 137009ea47eSEdward Tomasz Napierala free(auth->a_user); 138009ea47eSEdward Tomasz Napierala free(auth->a_secret); 139009ea47eSEdward Tomasz Napierala free(auth->a_mutual_user); 140009ea47eSEdward Tomasz Napierala free(auth->a_mutual_secret); 141009ea47eSEdward Tomasz Napierala free(auth); 142009ea47eSEdward Tomasz Napierala } 143009ea47eSEdward Tomasz Napierala 144009ea47eSEdward Tomasz Napierala const struct auth * 145d6093026SEdward Tomasz Napierala auth_find(const struct auth_group *ag, const char *user) 146009ea47eSEdward Tomasz Napierala { 147009ea47eSEdward Tomasz Napierala const struct auth *auth; 148009ea47eSEdward Tomasz Napierala 149009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) { 150009ea47eSEdward Tomasz Napierala if (strcmp(auth->a_user, user) == 0) 151009ea47eSEdward Tomasz Napierala return (auth); 152009ea47eSEdward Tomasz Napierala } 153009ea47eSEdward Tomasz Napierala 154009ea47eSEdward Tomasz Napierala return (NULL); 155009ea47eSEdward Tomasz Napierala } 156009ea47eSEdward Tomasz Napierala 1571658628dSEdward Tomasz Napierala static void 1581658628dSEdward Tomasz Napierala auth_check_secret_length(struct auth *auth) 1591658628dSEdward Tomasz Napierala { 1601658628dSEdward Tomasz Napierala size_t len; 1611658628dSEdward Tomasz Napierala 1621658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1631658628dSEdward Tomasz Napierala if (len > 16) { 1641658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1651658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1661658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1671658628dSEdward Tomasz Napierala "long", auth->a_user, auth->a_auth_group->ag_name); 1681658628dSEdward Tomasz Napierala else 1691658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1701658628dSEdward Tomasz Napierala "is too long; it should be at most 16 characters " 1711658628dSEdward Tomasz Napierala "long", auth->a_user, 172f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1731658628dSEdward Tomasz Napierala } 1741658628dSEdward Tomasz Napierala if (len < 12) { 1751658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1761658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", auth-group \"%s\", " 1771658628dSEdward Tomasz Napierala "is too short; it should be at least 12 characters " 1781658628dSEdward Tomasz Napierala "long", auth->a_user, 1791658628dSEdward Tomasz Napierala auth->a_auth_group->ag_name); 1801658628dSEdward Tomasz Napierala else 1811658628dSEdward Tomasz Napierala log_warnx("secret for user \"%s\", target \"%s\", " 1821658628dSEdward Tomasz Napierala "is too short; it should be at least 16 characters " 1831658628dSEdward Tomasz Napierala "long", auth->a_user, 184f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 1851658628dSEdward Tomasz Napierala } 1861658628dSEdward Tomasz Napierala 1871658628dSEdward Tomasz Napierala if (auth->a_mutual_secret != NULL) { 1881658628dSEdward Tomasz Napierala len = strlen(auth->a_secret); 1891658628dSEdward Tomasz Napierala if (len > 16) { 1901658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 1911658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 1921658628dSEdward Tomasz Napierala "auth-group \"%s\", is too long; it should " 1931658628dSEdward Tomasz Napierala "be at most 16 characters long", 1941658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 1951658628dSEdward Tomasz Napierala else 1961658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 1971658628dSEdward Tomasz Napierala "target \"%s\", is too long; it should " 1981658628dSEdward Tomasz Napierala "be at most 16 characters long", 1991658628dSEdward Tomasz Napierala auth->a_user, 200f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2011658628dSEdward Tomasz Napierala } 2021658628dSEdward Tomasz Napierala if (len < 12) { 2031658628dSEdward Tomasz Napierala if (auth->a_auth_group->ag_name != NULL) 2041658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2051658628dSEdward Tomasz Napierala "auth-group \"%s\", is too short; it " 2061658628dSEdward Tomasz Napierala "should be at least 12 characters long", 2071658628dSEdward Tomasz Napierala auth->a_user, auth->a_auth_group->ag_name); 2081658628dSEdward Tomasz Napierala else 2091658628dSEdward Tomasz Napierala log_warnx("mutual secret for user \"%s\", " 2101658628dSEdward Tomasz Napierala "target \"%s\", is too short; it should be " 2111658628dSEdward Tomasz Napierala "at least 16 characters long", 2121658628dSEdward Tomasz Napierala auth->a_user, 213f7ae5bf8SEdward Tomasz Napierala auth->a_auth_group->ag_target->t_name); 2141658628dSEdward Tomasz Napierala } 2151658628dSEdward Tomasz Napierala } 2161658628dSEdward Tomasz Napierala } 2171658628dSEdward Tomasz Napierala 2181658628dSEdward Tomasz Napierala const struct auth * 2191658628dSEdward Tomasz Napierala auth_new_chap(struct auth_group *ag, const char *user, 2201658628dSEdward Tomasz Napierala const char *secret) 2211658628dSEdward Tomasz Napierala { 2221658628dSEdward Tomasz Napierala struct auth *auth; 2231658628dSEdward Tomasz Napierala 2241658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2251658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP; 2261658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP) { 2271658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2281658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2291658628dSEdward Tomasz Napierala "other types for auth-group \"%s\"", ag->ag_name); 2301658628dSEdward Tomasz Napierala else 2311658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap\" authentication with " 2321658628dSEdward Tomasz Napierala "other types for target \"%s\"", 233f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2341658628dSEdward Tomasz Napierala return (NULL); 2351658628dSEdward Tomasz Napierala } 2361658628dSEdward Tomasz Napierala 2371658628dSEdward Tomasz Napierala auth = auth_new(ag); 2381658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2391658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2401658628dSEdward Tomasz Napierala 2411658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2421658628dSEdward Tomasz Napierala 2431658628dSEdward Tomasz Napierala return (auth); 2441658628dSEdward Tomasz Napierala } 2451658628dSEdward Tomasz Napierala 2461658628dSEdward Tomasz Napierala const struct auth * 2471658628dSEdward Tomasz Napierala auth_new_chap_mutual(struct auth_group *ag, const char *user, 2481658628dSEdward Tomasz Napierala const char *secret, const char *user2, const char *secret2) 2491658628dSEdward Tomasz Napierala { 2501658628dSEdward Tomasz Napierala struct auth *auth; 2511658628dSEdward Tomasz Napierala 2521658628dSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) 2531658628dSEdward Tomasz Napierala ag->ag_type = AG_TYPE_CHAP_MUTUAL; 2541658628dSEdward Tomasz Napierala if (ag->ag_type != AG_TYPE_CHAP_MUTUAL) { 2551658628dSEdward Tomasz Napierala if (ag->ag_name != NULL) 2561658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2571658628dSEdward Tomasz Napierala "with other types for auth-group \"%s\"", 2581658628dSEdward Tomasz Napierala ag->ag_name); 2591658628dSEdward Tomasz Napierala else 2601658628dSEdward Tomasz Napierala log_warnx("cannot mix \"chap-mutual\" authentication " 2611658628dSEdward Tomasz Napierala "with other types for target \"%s\"", 262f7ae5bf8SEdward Tomasz Napierala ag->ag_target->t_name); 2631658628dSEdward Tomasz Napierala return (NULL); 2641658628dSEdward Tomasz Napierala } 2651658628dSEdward Tomasz Napierala 2661658628dSEdward Tomasz Napierala auth = auth_new(ag); 2671658628dSEdward Tomasz Napierala auth->a_user = checked_strdup(user); 2681658628dSEdward Tomasz Napierala auth->a_secret = checked_strdup(secret); 2691658628dSEdward Tomasz Napierala auth->a_mutual_user = checked_strdup(user2); 2701658628dSEdward Tomasz Napierala auth->a_mutual_secret = checked_strdup(secret2); 2711658628dSEdward Tomasz Napierala 2721658628dSEdward Tomasz Napierala auth_check_secret_length(auth); 2731658628dSEdward Tomasz Napierala 2741658628dSEdward Tomasz Napierala return (auth); 2751658628dSEdward Tomasz Napierala } 2761658628dSEdward Tomasz Napierala 2778cb2e958SEdward Tomasz Napierala const struct auth_name * 2788cb2e958SEdward Tomasz Napierala auth_name_new(struct auth_group *ag, const char *name) 2798cb2e958SEdward Tomasz Napierala { 2808cb2e958SEdward Tomasz Napierala struct auth_name *an; 2818cb2e958SEdward Tomasz Napierala 2828cb2e958SEdward Tomasz Napierala an = calloc(1, sizeof(*an)); 2838cb2e958SEdward Tomasz Napierala if (an == NULL) 2848cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 2858cb2e958SEdward Tomasz Napierala an->an_auth_group = ag; 2868cb2e958SEdward Tomasz Napierala an->an_initator_name = checked_strdup(name); 2878cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_names, an, an_next); 2888cb2e958SEdward Tomasz Napierala return (an); 2898cb2e958SEdward Tomasz Napierala } 2908cb2e958SEdward Tomasz Napierala 2918cb2e958SEdward Tomasz Napierala static void 2928cb2e958SEdward Tomasz Napierala auth_name_delete(struct auth_name *an) 2938cb2e958SEdward Tomasz Napierala { 2948cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&an->an_auth_group->ag_names, an, an_next); 2958cb2e958SEdward Tomasz Napierala 2968cb2e958SEdward Tomasz Napierala free(an->an_initator_name); 2978cb2e958SEdward Tomasz Napierala free(an); 2988cb2e958SEdward Tomasz Napierala } 2998cb2e958SEdward Tomasz Napierala 3008cb2e958SEdward Tomasz Napierala bool 3018cb2e958SEdward Tomasz Napierala auth_name_defined(const struct auth_group *ag) 3028cb2e958SEdward Tomasz Napierala { 3038cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_names)) 3048cb2e958SEdward Tomasz Napierala return (false); 3058cb2e958SEdward Tomasz Napierala return (true); 3068cb2e958SEdward Tomasz Napierala } 3078cb2e958SEdward Tomasz Napierala 3088cb2e958SEdward Tomasz Napierala const struct auth_name * 3098cb2e958SEdward Tomasz Napierala auth_name_find(const struct auth_group *ag, const char *name) 3108cb2e958SEdward Tomasz Napierala { 3118cb2e958SEdward Tomasz Napierala const struct auth_name *auth_name; 3128cb2e958SEdward Tomasz Napierala 3138cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) { 3148cb2e958SEdward Tomasz Napierala if (strcmp(auth_name->an_initator_name, name) == 0) 3158cb2e958SEdward Tomasz Napierala return (auth_name); 3168cb2e958SEdward Tomasz Napierala } 3178cb2e958SEdward Tomasz Napierala 3188cb2e958SEdward Tomasz Napierala return (NULL); 3198cb2e958SEdward Tomasz Napierala } 3208cb2e958SEdward Tomasz Napierala 3218cb2e958SEdward Tomasz Napierala const struct auth_portal * 3228cb2e958SEdward Tomasz Napierala auth_portal_new(struct auth_group *ag, const char *portal) 3238cb2e958SEdward Tomasz Napierala { 3248cb2e958SEdward Tomasz Napierala struct auth_portal *ap; 325073edb1cSAlexander Motin char *net, *mask, *str, *tmp; 326073edb1cSAlexander Motin int len, dm, m; 3278cb2e958SEdward Tomasz Napierala 3288cb2e958SEdward Tomasz Napierala ap = calloc(1, sizeof(*ap)); 3298cb2e958SEdward Tomasz Napierala if (ap == NULL) 3308cb2e958SEdward Tomasz Napierala log_err(1, "calloc"); 3318cb2e958SEdward Tomasz Napierala ap->ap_auth_group = ag; 3328cb2e958SEdward Tomasz Napierala ap->ap_initator_portal = checked_strdup(portal); 333073edb1cSAlexander Motin mask = str = checked_strdup(portal); 334073edb1cSAlexander Motin net = strsep(&mask, "/"); 335073edb1cSAlexander Motin if (net[0] == '[') 336073edb1cSAlexander Motin net++; 337073edb1cSAlexander Motin len = strlen(net); 338073edb1cSAlexander Motin if (len == 0) 339073edb1cSAlexander Motin goto error; 340073edb1cSAlexander Motin if (net[len - 1] == ']') 341073edb1cSAlexander Motin net[len - 1] = 0; 342073edb1cSAlexander Motin if (strchr(net, ':') != NULL) { 343073edb1cSAlexander Motin struct sockaddr_in6 *sin6 = 344073edb1cSAlexander Motin (struct sockaddr_in6 *)&ap->ap_sa; 345073edb1cSAlexander Motin 346073edb1cSAlexander Motin sin6->sin6_len = sizeof(*sin6); 347073edb1cSAlexander Motin sin6->sin6_family = AF_INET6; 348073edb1cSAlexander Motin if (inet_pton(AF_INET6, net, &sin6->sin6_addr) <= 0) 349073edb1cSAlexander Motin goto error; 350073edb1cSAlexander Motin dm = 128; 351073edb1cSAlexander Motin } else { 352073edb1cSAlexander Motin struct sockaddr_in *sin = 353073edb1cSAlexander Motin (struct sockaddr_in *)&ap->ap_sa; 354073edb1cSAlexander Motin 355073edb1cSAlexander Motin sin->sin_len = sizeof(*sin); 356073edb1cSAlexander Motin sin->sin_family = AF_INET; 357073edb1cSAlexander Motin if (inet_pton(AF_INET, net, &sin->sin_addr) <= 0) 358073edb1cSAlexander Motin goto error; 359073edb1cSAlexander Motin dm = 32; 360073edb1cSAlexander Motin } 361073edb1cSAlexander Motin if (mask != NULL) { 362073edb1cSAlexander Motin m = strtol(mask, &tmp, 0); 363073edb1cSAlexander Motin if (m < 0 || m > dm || tmp[0] != 0) 364073edb1cSAlexander Motin goto error; 365073edb1cSAlexander Motin } else 366073edb1cSAlexander Motin m = dm; 367073edb1cSAlexander Motin ap->ap_mask = m; 368073edb1cSAlexander Motin free(str); 3698cb2e958SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&ag->ag_portals, ap, ap_next); 3708cb2e958SEdward Tomasz Napierala return (ap); 371073edb1cSAlexander Motin 372073edb1cSAlexander Motin error: 373073edb1cSAlexander Motin log_errx(1, "Incorrect initiator portal '%s'", portal); 374073edb1cSAlexander Motin return (NULL); 3758cb2e958SEdward Tomasz Napierala } 3768cb2e958SEdward Tomasz Napierala 3778cb2e958SEdward Tomasz Napierala static void 3788cb2e958SEdward Tomasz Napierala auth_portal_delete(struct auth_portal *ap) 3798cb2e958SEdward Tomasz Napierala { 3808cb2e958SEdward Tomasz Napierala TAILQ_REMOVE(&ap->ap_auth_group->ag_portals, ap, ap_next); 3818cb2e958SEdward Tomasz Napierala 3828cb2e958SEdward Tomasz Napierala free(ap->ap_initator_portal); 3838cb2e958SEdward Tomasz Napierala free(ap); 3848cb2e958SEdward Tomasz Napierala } 3858cb2e958SEdward Tomasz Napierala 3868cb2e958SEdward Tomasz Napierala bool 3878cb2e958SEdward Tomasz Napierala auth_portal_defined(const struct auth_group *ag) 3888cb2e958SEdward Tomasz Napierala { 3898cb2e958SEdward Tomasz Napierala if (TAILQ_EMPTY(&ag->ag_portals)) 3908cb2e958SEdward Tomasz Napierala return (false); 3918cb2e958SEdward Tomasz Napierala return (true); 3928cb2e958SEdward Tomasz Napierala } 3938cb2e958SEdward Tomasz Napierala 3948cb2e958SEdward Tomasz Napierala const struct auth_portal * 395073edb1cSAlexander Motin auth_portal_find(const struct auth_group *ag, const struct sockaddr_storage *ss) 3968cb2e958SEdward Tomasz Napierala { 397073edb1cSAlexander Motin const struct auth_portal *ap; 3985e46a066SAlexander Motin const uint8_t *a, *b; 399073edb1cSAlexander Motin int i; 4005e46a066SAlexander Motin uint8_t bmask; 4018cb2e958SEdward Tomasz Napierala 402073edb1cSAlexander Motin TAILQ_FOREACH(ap, &ag->ag_portals, ap_next) { 403073edb1cSAlexander Motin if (ap->ap_sa.ss_family != ss->ss_family) 404073edb1cSAlexander Motin continue; 405073edb1cSAlexander Motin if (ss->ss_family == AF_INET) { 4065e46a066SAlexander Motin a = (const uint8_t *) 4075e46a066SAlexander Motin &((const struct sockaddr_in *)ss)->sin_addr; 4085e46a066SAlexander Motin b = (const uint8_t *) 4095e46a066SAlexander Motin &((const struct sockaddr_in *)&ap->ap_sa)->sin_addr; 410073edb1cSAlexander Motin } else { 4115e46a066SAlexander Motin a = (const uint8_t *) 4125e46a066SAlexander Motin &((const struct sockaddr_in6 *)ss)->sin6_addr; 4135e46a066SAlexander Motin b = (const uint8_t *) 4145e46a066SAlexander Motin &((const struct sockaddr_in6 *)&ap->ap_sa)->sin6_addr; 415073edb1cSAlexander Motin } 416073edb1cSAlexander Motin for (i = 0; i < ap->ap_mask / 8; i++) { 417073edb1cSAlexander Motin if (a[i] != b[i]) 418073edb1cSAlexander Motin goto next; 419073edb1cSAlexander Motin } 420073edb1cSAlexander Motin if (ap->ap_mask % 8) { 421073edb1cSAlexander Motin bmask = 0xff << (8 - (ap->ap_mask % 8)); 422073edb1cSAlexander Motin if ((a[i] & bmask) != (b[i] & bmask)) 423073edb1cSAlexander Motin goto next; 424073edb1cSAlexander Motin } 425073edb1cSAlexander Motin return (ap); 426073edb1cSAlexander Motin next: 427073edb1cSAlexander Motin ; 4288cb2e958SEdward Tomasz Napierala } 4298cb2e958SEdward Tomasz Napierala 4308cb2e958SEdward Tomasz Napierala return (NULL); 4318cb2e958SEdward Tomasz Napierala } 4328cb2e958SEdward Tomasz Napierala 433009ea47eSEdward Tomasz Napierala struct auth_group * 434009ea47eSEdward Tomasz Napierala auth_group_new(struct conf *conf, const char *name) 435009ea47eSEdward Tomasz Napierala { 436009ea47eSEdward Tomasz Napierala struct auth_group *ag; 437009ea47eSEdward Tomasz Napierala 438009ea47eSEdward Tomasz Napierala if (name != NULL) { 439009ea47eSEdward Tomasz Napierala ag = auth_group_find(conf, name); 440009ea47eSEdward Tomasz Napierala if (ag != NULL) { 441009ea47eSEdward Tomasz Napierala log_warnx("duplicated auth-group \"%s\"", name); 442009ea47eSEdward Tomasz Napierala return (NULL); 443009ea47eSEdward Tomasz Napierala } 444009ea47eSEdward Tomasz Napierala } 445009ea47eSEdward Tomasz Napierala 446009ea47eSEdward Tomasz Napierala ag = calloc(1, sizeof(*ag)); 447009ea47eSEdward Tomasz Napierala if (ag == NULL) 448009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 449009ea47eSEdward Tomasz Napierala if (name != NULL) 450009ea47eSEdward Tomasz Napierala ag->ag_name = checked_strdup(name); 451009ea47eSEdward Tomasz Napierala TAILQ_INIT(&ag->ag_auths); 4528cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_names); 4538cb2e958SEdward Tomasz Napierala TAILQ_INIT(&ag->ag_portals); 454009ea47eSEdward Tomasz Napierala ag->ag_conf = conf; 455009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_auth_groups, ag, ag_next); 456009ea47eSEdward Tomasz Napierala 457009ea47eSEdward Tomasz Napierala return (ag); 458009ea47eSEdward Tomasz Napierala } 459009ea47eSEdward Tomasz Napierala 460009ea47eSEdward Tomasz Napierala void 461009ea47eSEdward Tomasz Napierala auth_group_delete(struct auth_group *ag) 462009ea47eSEdward Tomasz Napierala { 4638cb2e958SEdward Tomasz Napierala struct auth *auth, *auth_tmp; 4648cb2e958SEdward Tomasz Napierala struct auth_name *auth_name, *auth_name_tmp; 4658cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal, *auth_portal_tmp; 466009ea47eSEdward Tomasz Napierala 467009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&ag->ag_conf->conf_auth_groups, ag, ag_next); 468009ea47eSEdward Tomasz Napierala 4698cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth, &ag->ag_auths, a_next, auth_tmp) 470009ea47eSEdward Tomasz Napierala auth_delete(auth); 4718cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_name, &ag->ag_names, an_next, auth_name_tmp) 4728cb2e958SEdward Tomasz Napierala auth_name_delete(auth_name); 4738cb2e958SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(auth_portal, &ag->ag_portals, ap_next, 4748cb2e958SEdward Tomasz Napierala auth_portal_tmp) 4758cb2e958SEdward Tomasz Napierala auth_portal_delete(auth_portal); 476009ea47eSEdward Tomasz Napierala free(ag->ag_name); 477009ea47eSEdward Tomasz Napierala free(ag); 478009ea47eSEdward Tomasz Napierala } 479009ea47eSEdward Tomasz Napierala 480009ea47eSEdward Tomasz Napierala struct auth_group * 481d6093026SEdward Tomasz Napierala auth_group_find(const struct conf *conf, const char *name) 482009ea47eSEdward Tomasz Napierala { 483009ea47eSEdward Tomasz Napierala struct auth_group *ag; 484009ea47eSEdward Tomasz Napierala 485009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 486009ea47eSEdward Tomasz Napierala if (ag->ag_name != NULL && strcmp(ag->ag_name, name) == 0) 487009ea47eSEdward Tomasz Napierala return (ag); 488009ea47eSEdward Tomasz Napierala } 489009ea47eSEdward Tomasz Napierala 490009ea47eSEdward Tomasz Napierala return (NULL); 491009ea47eSEdward Tomasz Napierala } 492009ea47eSEdward Tomasz Napierala 493df9900fbSEdward Tomasz Napierala static int 494df9900fbSEdward Tomasz Napierala auth_group_set_type(struct auth_group *ag, int type) 495df9900fbSEdward Tomasz Napierala { 496df9900fbSEdward Tomasz Napierala 497df9900fbSEdward Tomasz Napierala if (ag->ag_type == AG_TYPE_UNKNOWN) { 498df9900fbSEdward Tomasz Napierala ag->ag_type = type; 499df9900fbSEdward Tomasz Napierala return (0); 500df9900fbSEdward Tomasz Napierala } 501df9900fbSEdward Tomasz Napierala 502df9900fbSEdward Tomasz Napierala if (ag->ag_type == type) 503df9900fbSEdward Tomasz Napierala return (0); 504df9900fbSEdward Tomasz Napierala 505df9900fbSEdward Tomasz Napierala return (1); 506df9900fbSEdward Tomasz Napierala } 507df9900fbSEdward Tomasz Napierala 508df9900fbSEdward Tomasz Napierala int 509df9900fbSEdward Tomasz Napierala auth_group_set_type_str(struct auth_group *ag, const char *str) 510df9900fbSEdward Tomasz Napierala { 511df9900fbSEdward Tomasz Napierala int error, type; 512df9900fbSEdward Tomasz Napierala 513df9900fbSEdward Tomasz Napierala if (strcmp(str, "none") == 0) { 514df9900fbSEdward Tomasz Napierala type = AG_TYPE_NO_AUTHENTICATION; 515e76ce448SEdward Tomasz Napierala } else if (strcmp(str, "deny") == 0) { 516e76ce448SEdward Tomasz Napierala type = AG_TYPE_DENY; 517df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap") == 0) { 518df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP; 519df9900fbSEdward Tomasz Napierala } else if (strcmp(str, "chap-mutual") == 0) { 520df9900fbSEdward Tomasz Napierala type = AG_TYPE_CHAP_MUTUAL; 521df9900fbSEdward Tomasz Napierala } else { 522df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 523df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for auth-group " 524df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_name); 525df9900fbSEdward Tomasz Napierala else 526df9900fbSEdward Tomasz Napierala log_warnx("invalid auth-type \"%s\" for target " 527df9900fbSEdward Tomasz Napierala "\"%s\"", str, ag->ag_target->t_name); 528df9900fbSEdward Tomasz Napierala return (1); 529df9900fbSEdward Tomasz Napierala } 530df9900fbSEdward Tomasz Napierala 531df9900fbSEdward Tomasz Napierala error = auth_group_set_type(ag, type); 532df9900fbSEdward Tomasz Napierala if (error != 0) { 533df9900fbSEdward Tomasz Napierala if (ag->ag_name != NULL) 534df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for " 535df9900fbSEdward Tomasz Napierala "auth-group \"%s\"; already has a different " 536df9900fbSEdward Tomasz Napierala "type", str, ag->ag_name); 537df9900fbSEdward Tomasz Napierala else 538df9900fbSEdward Tomasz Napierala log_warnx("cannot set auth-type to \"%s\" for target " 539df9900fbSEdward Tomasz Napierala "\"%s\"; already has a different type", 540df9900fbSEdward Tomasz Napierala str, ag->ag_target->t_name); 541df9900fbSEdward Tomasz Napierala return (1); 542df9900fbSEdward Tomasz Napierala } 543df9900fbSEdward Tomasz Napierala 544df9900fbSEdward Tomasz Napierala return (error); 545df9900fbSEdward Tomasz Napierala } 546df9900fbSEdward Tomasz Napierala 547009ea47eSEdward Tomasz Napierala static struct portal * 548009ea47eSEdward Tomasz Napierala portal_new(struct portal_group *pg) 549009ea47eSEdward Tomasz Napierala { 550009ea47eSEdward Tomasz Napierala struct portal *portal; 551009ea47eSEdward Tomasz Napierala 552009ea47eSEdward Tomasz Napierala portal = calloc(1, sizeof(*portal)); 553009ea47eSEdward Tomasz Napierala if (portal == NULL) 554009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 555009ea47eSEdward Tomasz Napierala TAILQ_INIT(&portal->p_targets); 556009ea47eSEdward Tomasz Napierala portal->p_portal_group = pg; 557009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&pg->pg_portals, portal, p_next); 558009ea47eSEdward Tomasz Napierala return (portal); 559009ea47eSEdward Tomasz Napierala } 560009ea47eSEdward Tomasz Napierala 561009ea47eSEdward Tomasz Napierala static void 562009ea47eSEdward Tomasz Napierala portal_delete(struct portal *portal) 563009ea47eSEdward Tomasz Napierala { 56444a5953aSEdward Tomasz Napierala 565009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&portal->p_portal_group->pg_portals, portal, p_next); 56644a5953aSEdward Tomasz Napierala if (portal->p_ai != NULL) 567009ea47eSEdward Tomasz Napierala freeaddrinfo(portal->p_ai); 568009ea47eSEdward Tomasz Napierala free(portal->p_listen); 569009ea47eSEdward Tomasz Napierala free(portal); 570009ea47eSEdward Tomasz Napierala } 571009ea47eSEdward Tomasz Napierala 572009ea47eSEdward Tomasz Napierala struct portal_group * 573009ea47eSEdward Tomasz Napierala portal_group_new(struct conf *conf, const char *name) 574009ea47eSEdward Tomasz Napierala { 575009ea47eSEdward Tomasz Napierala struct portal_group *pg; 576009ea47eSEdward Tomasz Napierala 577009ea47eSEdward Tomasz Napierala pg = portal_group_find(conf, name); 578009ea47eSEdward Tomasz Napierala if (pg != NULL) { 579009ea47eSEdward Tomasz Napierala log_warnx("duplicated portal-group \"%s\"", name); 580009ea47eSEdward Tomasz Napierala return (NULL); 581009ea47eSEdward Tomasz Napierala } 582009ea47eSEdward Tomasz Napierala 583009ea47eSEdward Tomasz Napierala pg = calloc(1, sizeof(*pg)); 584009ea47eSEdward Tomasz Napierala if (pg == NULL) 585009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 586009ea47eSEdward Tomasz Napierala pg->pg_name = checked_strdup(name); 587009ea47eSEdward Tomasz Napierala TAILQ_INIT(&pg->pg_portals); 588009ea47eSEdward Tomasz Napierala pg->pg_conf = conf; 589009ea47eSEdward Tomasz Napierala conf->conf_last_portal_group_tag++; 590009ea47eSEdward Tomasz Napierala pg->pg_tag = conf->conf_last_portal_group_tag; 591009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_portal_groups, pg, pg_next); 592009ea47eSEdward Tomasz Napierala 593009ea47eSEdward Tomasz Napierala return (pg); 594009ea47eSEdward Tomasz Napierala } 595009ea47eSEdward Tomasz Napierala 596009ea47eSEdward Tomasz Napierala void 597009ea47eSEdward Tomasz Napierala portal_group_delete(struct portal_group *pg) 598009ea47eSEdward Tomasz Napierala { 599009ea47eSEdward Tomasz Napierala struct portal *portal, *tmp; 600009ea47eSEdward Tomasz Napierala 601009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&pg->pg_conf->conf_portal_groups, pg, pg_next); 602009ea47eSEdward Tomasz Napierala 603009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(portal, &pg->pg_portals, p_next, tmp) 604009ea47eSEdward Tomasz Napierala portal_delete(portal); 605009ea47eSEdward Tomasz Napierala free(pg->pg_name); 606009ea47eSEdward Tomasz Napierala free(pg); 607009ea47eSEdward Tomasz Napierala } 608009ea47eSEdward Tomasz Napierala 609009ea47eSEdward Tomasz Napierala struct portal_group * 610d6093026SEdward Tomasz Napierala portal_group_find(const struct conf *conf, const char *name) 611009ea47eSEdward Tomasz Napierala { 612009ea47eSEdward Tomasz Napierala struct portal_group *pg; 613009ea47eSEdward Tomasz Napierala 614009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 615009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, name) == 0) 616009ea47eSEdward Tomasz Napierala return (pg); 617009ea47eSEdward Tomasz Napierala } 618009ea47eSEdward Tomasz Napierala 619009ea47eSEdward Tomasz Napierala return (NULL); 620009ea47eSEdward Tomasz Napierala } 621009ea47eSEdward Tomasz Napierala 622009ea47eSEdward Tomasz Napierala int 623009ea47eSEdward Tomasz Napierala portal_group_add_listen(struct portal_group *pg, const char *value, bool iser) 624009ea47eSEdward Tomasz Napierala { 625009ea47eSEdward Tomasz Napierala struct addrinfo hints; 626009ea47eSEdward Tomasz Napierala struct portal *portal; 627009ea47eSEdward Tomasz Napierala char *addr, *ch, *arg; 628009ea47eSEdward Tomasz Napierala const char *port; 629009ea47eSEdward Tomasz Napierala int error, colons = 0; 630009ea47eSEdward Tomasz Napierala 631009ea47eSEdward Tomasz Napierala portal = portal_new(pg); 632009ea47eSEdward Tomasz Napierala portal->p_listen = checked_strdup(value); 633009ea47eSEdward Tomasz Napierala portal->p_iser = iser; 634009ea47eSEdward Tomasz Napierala 635009ea47eSEdward Tomasz Napierala arg = portal->p_listen; 636009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 637009ea47eSEdward Tomasz Napierala log_warnx("empty listen address"); 63844a5953aSEdward Tomasz Napierala portal_delete(portal); 639009ea47eSEdward Tomasz Napierala return (1); 640009ea47eSEdward Tomasz Napierala } 641009ea47eSEdward Tomasz Napierala if (arg[0] == '[') { 642009ea47eSEdward Tomasz Napierala /* 643009ea47eSEdward Tomasz Napierala * IPv6 address in square brackets, perhaps with port. 644009ea47eSEdward Tomasz Napierala */ 645009ea47eSEdward Tomasz Napierala arg++; 646009ea47eSEdward Tomasz Napierala addr = strsep(&arg, "]"); 647009ea47eSEdward Tomasz Napierala if (arg == NULL) { 648009ea47eSEdward Tomasz Napierala log_warnx("invalid listen address %s", 649009ea47eSEdward Tomasz Napierala portal->p_listen); 65044a5953aSEdward Tomasz Napierala portal_delete(portal); 651009ea47eSEdward Tomasz Napierala return (1); 652009ea47eSEdward Tomasz Napierala } 653009ea47eSEdward Tomasz Napierala if (arg[0] == '\0') { 654009ea47eSEdward Tomasz Napierala port = "3260"; 655009ea47eSEdward Tomasz Napierala } else if (arg[0] == ':') { 656009ea47eSEdward Tomasz Napierala port = arg + 1; 657009ea47eSEdward Tomasz Napierala } else { 658009ea47eSEdward Tomasz Napierala log_warnx("invalid listen address %s", 659009ea47eSEdward Tomasz Napierala portal->p_listen); 66044a5953aSEdward Tomasz Napierala portal_delete(portal); 661009ea47eSEdward Tomasz Napierala return (1); 662009ea47eSEdward Tomasz Napierala } 663009ea47eSEdward Tomasz Napierala } else { 664009ea47eSEdward Tomasz Napierala /* 665009ea47eSEdward Tomasz Napierala * Either IPv6 address without brackets - and without 666009ea47eSEdward Tomasz Napierala * a port - or IPv4 address. Just count the colons. 667009ea47eSEdward Tomasz Napierala */ 668009ea47eSEdward Tomasz Napierala for (ch = arg; *ch != '\0'; ch++) { 669009ea47eSEdward Tomasz Napierala if (*ch == ':') 670009ea47eSEdward Tomasz Napierala colons++; 671009ea47eSEdward Tomasz Napierala } 672009ea47eSEdward Tomasz Napierala if (colons > 1) { 673009ea47eSEdward Tomasz Napierala addr = arg; 674009ea47eSEdward Tomasz Napierala port = "3260"; 675009ea47eSEdward Tomasz Napierala } else { 676009ea47eSEdward Tomasz Napierala addr = strsep(&arg, ":"); 677009ea47eSEdward Tomasz Napierala if (arg == NULL) 678009ea47eSEdward Tomasz Napierala port = "3260"; 679009ea47eSEdward Tomasz Napierala else 680009ea47eSEdward Tomasz Napierala port = arg; 681009ea47eSEdward Tomasz Napierala } 682009ea47eSEdward Tomasz Napierala } 683009ea47eSEdward Tomasz Napierala 684009ea47eSEdward Tomasz Napierala memset(&hints, 0, sizeof(hints)); 685009ea47eSEdward Tomasz Napierala hints.ai_family = PF_UNSPEC; 686009ea47eSEdward Tomasz Napierala hints.ai_socktype = SOCK_STREAM; 687009ea47eSEdward Tomasz Napierala hints.ai_flags = AI_PASSIVE; 688009ea47eSEdward Tomasz Napierala 689009ea47eSEdward Tomasz Napierala error = getaddrinfo(addr, port, &hints, &portal->p_ai); 690009ea47eSEdward Tomasz Napierala if (error != 0) { 691009ea47eSEdward Tomasz Napierala log_warnx("getaddrinfo for %s failed: %s", 692009ea47eSEdward Tomasz Napierala portal->p_listen, gai_strerror(error)); 69344a5953aSEdward Tomasz Napierala portal_delete(portal); 694009ea47eSEdward Tomasz Napierala return (1); 695009ea47eSEdward Tomasz Napierala } 696009ea47eSEdward Tomasz Napierala 697009ea47eSEdward Tomasz Napierala /* 698009ea47eSEdward Tomasz Napierala * XXX: getaddrinfo(3) may return multiple addresses; we should turn 699009ea47eSEdward Tomasz Napierala * those into multiple portals. 700009ea47eSEdward Tomasz Napierala */ 701009ea47eSEdward Tomasz Napierala 702009ea47eSEdward Tomasz Napierala return (0); 703009ea47eSEdward Tomasz Napierala } 704009ea47eSEdward Tomasz Napierala 705009ea47eSEdward Tomasz Napierala static bool 706009ea47eSEdward Tomasz Napierala valid_hex(const char ch) 707009ea47eSEdward Tomasz Napierala { 708009ea47eSEdward Tomasz Napierala switch (ch) { 709009ea47eSEdward Tomasz Napierala case '0': 710009ea47eSEdward Tomasz Napierala case '1': 711009ea47eSEdward Tomasz Napierala case '2': 712009ea47eSEdward Tomasz Napierala case '3': 713009ea47eSEdward Tomasz Napierala case '4': 714009ea47eSEdward Tomasz Napierala case '5': 715009ea47eSEdward Tomasz Napierala case '6': 716009ea47eSEdward Tomasz Napierala case '7': 717009ea47eSEdward Tomasz Napierala case '8': 718009ea47eSEdward Tomasz Napierala case '9': 719009ea47eSEdward Tomasz Napierala case 'a': 720009ea47eSEdward Tomasz Napierala case 'A': 721009ea47eSEdward Tomasz Napierala case 'b': 722009ea47eSEdward Tomasz Napierala case 'B': 723009ea47eSEdward Tomasz Napierala case 'c': 724009ea47eSEdward Tomasz Napierala case 'C': 725009ea47eSEdward Tomasz Napierala case 'd': 726009ea47eSEdward Tomasz Napierala case 'D': 727009ea47eSEdward Tomasz Napierala case 'e': 728009ea47eSEdward Tomasz Napierala case 'E': 729009ea47eSEdward Tomasz Napierala case 'f': 730009ea47eSEdward Tomasz Napierala case 'F': 731009ea47eSEdward Tomasz Napierala return (true); 732009ea47eSEdward Tomasz Napierala default: 733009ea47eSEdward Tomasz Napierala return (false); 734009ea47eSEdward Tomasz Napierala } 735009ea47eSEdward Tomasz Napierala } 736009ea47eSEdward Tomasz Napierala 737009ea47eSEdward Tomasz Napierala bool 738009ea47eSEdward Tomasz Napierala valid_iscsi_name(const char *name) 739009ea47eSEdward Tomasz Napierala { 740009ea47eSEdward Tomasz Napierala int i; 741009ea47eSEdward Tomasz Napierala 742009ea47eSEdward Tomasz Napierala if (strlen(name) >= MAX_NAME_LEN) { 743009ea47eSEdward Tomasz Napierala log_warnx("overlong name for target \"%s\"; max length allowed " 744009ea47eSEdward Tomasz Napierala "by iSCSI specification is %d characters", 745009ea47eSEdward Tomasz Napierala name, MAX_NAME_LEN); 746009ea47eSEdward Tomasz Napierala return (false); 747009ea47eSEdward Tomasz Napierala } 748009ea47eSEdward Tomasz Napierala 749009ea47eSEdward Tomasz Napierala /* 750009ea47eSEdward Tomasz Napierala * In the cases below, we don't return an error, just in case the admin 751009ea47eSEdward Tomasz Napierala * was right, and we're wrong. 752009ea47eSEdward Tomasz Napierala */ 753009ea47eSEdward Tomasz Napierala if (strncasecmp(name, "iqn.", strlen("iqn.")) == 0) { 754009ea47eSEdward Tomasz Napierala for (i = strlen("iqn."); name[i] != '\0'; i++) { 755009ea47eSEdward Tomasz Napierala /* 756009ea47eSEdward Tomasz Napierala * XXX: We should verify UTF-8 normalisation, as defined 757009ea47eSEdward Tomasz Napierala * by 3.2.6.2: iSCSI Name Encoding. 758009ea47eSEdward Tomasz Napierala */ 759009ea47eSEdward Tomasz Napierala if (isalnum(name[i])) 760009ea47eSEdward Tomasz Napierala continue; 761009ea47eSEdward Tomasz Napierala if (name[i] == '-' || name[i] == '.' || name[i] == ':') 762009ea47eSEdward Tomasz Napierala continue; 763009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target name " 764009ea47eSEdward Tomasz Napierala "\"%s\"; allowed characters are letters, digits, " 765009ea47eSEdward Tomasz Napierala "'-', '.', and ':'", name[i], name); 766009ea47eSEdward Tomasz Napierala break; 767009ea47eSEdward Tomasz Napierala } 768009ea47eSEdward Tomasz Napierala /* 769009ea47eSEdward Tomasz Napierala * XXX: Check more stuff: valid date and a valid reversed domain. 770009ea47eSEdward Tomasz Napierala */ 771009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "eui.", strlen("eui.")) == 0) { 772009ea47eSEdward Tomasz Napierala if (strlen(name) != strlen("eui.") + 16) 773009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"eui.\" " 774009ea47eSEdward Tomasz Napierala "should be followed by exactly 16 hexadecimal " 775009ea47eSEdward Tomasz Napierala "digits", name); 776009ea47eSEdward Tomasz Napierala for (i = strlen("eui."); name[i] != '\0'; i++) { 777009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 778009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 779009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 780009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 781009ea47eSEdward Tomasz Napierala break; 782009ea47eSEdward Tomasz Napierala } 783009ea47eSEdward Tomasz Napierala } 784009ea47eSEdward Tomasz Napierala } else if (strncasecmp(name, "naa.", strlen("naa.")) == 0) { 785009ea47eSEdward Tomasz Napierala if (strlen(name) > strlen("naa.") + 32) 786009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; the \"naa.\" " 787009ea47eSEdward Tomasz Napierala "should be followed by at most 32 hexadecimal " 788009ea47eSEdward Tomasz Napierala "digits", name); 789009ea47eSEdward Tomasz Napierala for (i = strlen("naa."); name[i] != '\0'; i++) { 790009ea47eSEdward Tomasz Napierala if (!valid_hex(name[i])) { 791009ea47eSEdward Tomasz Napierala log_warnx("invalid character \"%c\" in target " 792009ea47eSEdward Tomasz Napierala "name \"%s\"; allowed characters are 1-9 " 793009ea47eSEdward Tomasz Napierala "and A-F", name[i], name); 794009ea47eSEdward Tomasz Napierala break; 795009ea47eSEdward Tomasz Napierala } 796009ea47eSEdward Tomasz Napierala } 797009ea47eSEdward Tomasz Napierala } else { 798009ea47eSEdward Tomasz Napierala log_warnx("invalid target name \"%s\"; should start with " 799009ea47eSEdward Tomasz Napierala "either \".iqn\", \"eui.\", or \"naa.\"", 800009ea47eSEdward Tomasz Napierala name); 801009ea47eSEdward Tomasz Napierala } 802009ea47eSEdward Tomasz Napierala return (true); 803009ea47eSEdward Tomasz Napierala } 804009ea47eSEdward Tomasz Napierala 805009ea47eSEdward Tomasz Napierala struct target * 806f7ae5bf8SEdward Tomasz Napierala target_new(struct conf *conf, const char *name) 807009ea47eSEdward Tomasz Napierala { 808009ea47eSEdward Tomasz Napierala struct target *targ; 809009ea47eSEdward Tomasz Napierala int i, len; 810009ea47eSEdward Tomasz Napierala 811f7ae5bf8SEdward Tomasz Napierala targ = target_find(conf, name); 812009ea47eSEdward Tomasz Napierala if (targ != NULL) { 813f7ae5bf8SEdward Tomasz Napierala log_warnx("duplicated target \"%s\"", name); 814009ea47eSEdward Tomasz Napierala return (NULL); 815009ea47eSEdward Tomasz Napierala } 816f7ae5bf8SEdward Tomasz Napierala if (valid_iscsi_name(name) == false) { 817f7ae5bf8SEdward Tomasz Napierala log_warnx("target name \"%s\" is invalid", name); 818009ea47eSEdward Tomasz Napierala return (NULL); 819009ea47eSEdward Tomasz Napierala } 820009ea47eSEdward Tomasz Napierala targ = calloc(1, sizeof(*targ)); 821009ea47eSEdward Tomasz Napierala if (targ == NULL) 822009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 823f7ae5bf8SEdward Tomasz Napierala targ->t_name = checked_strdup(name); 824009ea47eSEdward Tomasz Napierala 825009ea47eSEdward Tomasz Napierala /* 826009ea47eSEdward Tomasz Napierala * RFC 3722 requires us to normalize the name to lowercase. 827009ea47eSEdward Tomasz Napierala */ 828f7ae5bf8SEdward Tomasz Napierala len = strlen(name); 829009ea47eSEdward Tomasz Napierala for (i = 0; i < len; i++) 830f7ae5bf8SEdward Tomasz Napierala targ->t_name[i] = tolower(targ->t_name[i]); 831009ea47eSEdward Tomasz Napierala 832009ea47eSEdward Tomasz Napierala TAILQ_INIT(&targ->t_luns); 833009ea47eSEdward Tomasz Napierala targ->t_conf = conf; 834009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&conf->conf_targets, targ, t_next); 835009ea47eSEdward Tomasz Napierala 836009ea47eSEdward Tomasz Napierala return (targ); 837009ea47eSEdward Tomasz Napierala } 838009ea47eSEdward Tomasz Napierala 839009ea47eSEdward Tomasz Napierala void 840009ea47eSEdward Tomasz Napierala target_delete(struct target *targ) 841009ea47eSEdward Tomasz Napierala { 842009ea47eSEdward Tomasz Napierala struct lun *lun, *tmp; 843009ea47eSEdward Tomasz Napierala 844009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&targ->t_conf->conf_targets, targ, t_next); 845009ea47eSEdward Tomasz Napierala 846009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lun, &targ->t_luns, l_next, tmp) 847009ea47eSEdward Tomasz Napierala lun_delete(lun); 848f7ae5bf8SEdward Tomasz Napierala free(targ->t_name); 849009ea47eSEdward Tomasz Napierala free(targ); 850009ea47eSEdward Tomasz Napierala } 851009ea47eSEdward Tomasz Napierala 852009ea47eSEdward Tomasz Napierala struct target * 853f7ae5bf8SEdward Tomasz Napierala target_find(struct conf *conf, const char *name) 854009ea47eSEdward Tomasz Napierala { 855009ea47eSEdward Tomasz Napierala struct target *targ; 856009ea47eSEdward Tomasz Napierala 857009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 858f7ae5bf8SEdward Tomasz Napierala if (strcasecmp(targ->t_name, name) == 0) 859009ea47eSEdward Tomasz Napierala return (targ); 860009ea47eSEdward Tomasz Napierala } 861009ea47eSEdward Tomasz Napierala 862009ea47eSEdward Tomasz Napierala return (NULL); 863009ea47eSEdward Tomasz Napierala } 864009ea47eSEdward Tomasz Napierala 865009ea47eSEdward Tomasz Napierala struct lun * 866009ea47eSEdward Tomasz Napierala lun_new(struct target *targ, int lun_id) 867009ea47eSEdward Tomasz Napierala { 868009ea47eSEdward Tomasz Napierala struct lun *lun; 869009ea47eSEdward Tomasz Napierala 870009ea47eSEdward Tomasz Napierala lun = lun_find(targ, lun_id); 871009ea47eSEdward Tomasz Napierala if (lun != NULL) { 872009ea47eSEdward Tomasz Napierala log_warnx("duplicated lun %d for target \"%s\"", 873f7ae5bf8SEdward Tomasz Napierala lun_id, targ->t_name); 874009ea47eSEdward Tomasz Napierala return (NULL); 875009ea47eSEdward Tomasz Napierala } 876009ea47eSEdward Tomasz Napierala 877009ea47eSEdward Tomasz Napierala lun = calloc(1, sizeof(*lun)); 878009ea47eSEdward Tomasz Napierala if (lun == NULL) 879009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 880009ea47eSEdward Tomasz Napierala lun->l_lun = lun_id; 881009ea47eSEdward Tomasz Napierala TAILQ_INIT(&lun->l_options); 882009ea47eSEdward Tomasz Napierala lun->l_target = targ; 883009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&targ->t_luns, lun, l_next); 884009ea47eSEdward Tomasz Napierala 885009ea47eSEdward Tomasz Napierala return (lun); 886009ea47eSEdward Tomasz Napierala } 887009ea47eSEdward Tomasz Napierala 888009ea47eSEdward Tomasz Napierala void 889009ea47eSEdward Tomasz Napierala lun_delete(struct lun *lun) 890009ea47eSEdward Tomasz Napierala { 891009ea47eSEdward Tomasz Napierala struct lun_option *lo, *tmp; 892009ea47eSEdward Tomasz Napierala 893009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lun->l_target->t_luns, lun, l_next); 894009ea47eSEdward Tomasz Napierala 895009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(lo, &lun->l_options, lo_next, tmp) 896009ea47eSEdward Tomasz Napierala lun_option_delete(lo); 897009ea47eSEdward Tomasz Napierala free(lun->l_backend); 898009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 899009ea47eSEdward Tomasz Napierala free(lun->l_path); 900009ea47eSEdward Tomasz Napierala free(lun->l_serial); 901009ea47eSEdward Tomasz Napierala free(lun); 902009ea47eSEdward Tomasz Napierala } 903009ea47eSEdward Tomasz Napierala 904009ea47eSEdward Tomasz Napierala struct lun * 905d6093026SEdward Tomasz Napierala lun_find(const struct target *targ, int lun_id) 906009ea47eSEdward Tomasz Napierala { 907009ea47eSEdward Tomasz Napierala struct lun *lun; 908009ea47eSEdward Tomasz Napierala 909009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 910009ea47eSEdward Tomasz Napierala if (lun->l_lun == lun_id) 911009ea47eSEdward Tomasz Napierala return (lun); 912009ea47eSEdward Tomasz Napierala } 913009ea47eSEdward Tomasz Napierala 914009ea47eSEdward Tomasz Napierala return (NULL); 915009ea47eSEdward Tomasz Napierala } 916009ea47eSEdward Tomasz Napierala 917009ea47eSEdward Tomasz Napierala void 918009ea47eSEdward Tomasz Napierala lun_set_backend(struct lun *lun, const char *value) 919009ea47eSEdward Tomasz Napierala { 920009ea47eSEdward Tomasz Napierala free(lun->l_backend); 921009ea47eSEdward Tomasz Napierala lun->l_backend = checked_strdup(value); 922009ea47eSEdward Tomasz Napierala } 923009ea47eSEdward Tomasz Napierala 924009ea47eSEdward Tomasz Napierala void 925009ea47eSEdward Tomasz Napierala lun_set_blocksize(struct lun *lun, size_t value) 926009ea47eSEdward Tomasz Napierala { 927009ea47eSEdward Tomasz Napierala 928009ea47eSEdward Tomasz Napierala lun->l_blocksize = value; 929009ea47eSEdward Tomasz Napierala } 930009ea47eSEdward Tomasz Napierala 931009ea47eSEdward Tomasz Napierala void 932009ea47eSEdward Tomasz Napierala lun_set_device_id(struct lun *lun, const char *value) 933009ea47eSEdward Tomasz Napierala { 934009ea47eSEdward Tomasz Napierala free(lun->l_device_id); 935009ea47eSEdward Tomasz Napierala lun->l_device_id = checked_strdup(value); 936009ea47eSEdward Tomasz Napierala } 937009ea47eSEdward Tomasz Napierala 938009ea47eSEdward Tomasz Napierala void 939009ea47eSEdward Tomasz Napierala lun_set_path(struct lun *lun, const char *value) 940009ea47eSEdward Tomasz Napierala { 941009ea47eSEdward Tomasz Napierala free(lun->l_path); 942009ea47eSEdward Tomasz Napierala lun->l_path = checked_strdup(value); 943009ea47eSEdward Tomasz Napierala } 944009ea47eSEdward Tomasz Napierala 945009ea47eSEdward Tomasz Napierala void 946009ea47eSEdward Tomasz Napierala lun_set_serial(struct lun *lun, const char *value) 947009ea47eSEdward Tomasz Napierala { 948009ea47eSEdward Tomasz Napierala free(lun->l_serial); 949009ea47eSEdward Tomasz Napierala lun->l_serial = checked_strdup(value); 950009ea47eSEdward Tomasz Napierala } 951009ea47eSEdward Tomasz Napierala 952009ea47eSEdward Tomasz Napierala void 953009ea47eSEdward Tomasz Napierala lun_set_size(struct lun *lun, size_t value) 954009ea47eSEdward Tomasz Napierala { 955009ea47eSEdward Tomasz Napierala 956009ea47eSEdward Tomasz Napierala lun->l_size = value; 957009ea47eSEdward Tomasz Napierala } 958009ea47eSEdward Tomasz Napierala 959009ea47eSEdward Tomasz Napierala void 960009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(struct lun *lun, uint32_t value) 961009ea47eSEdward Tomasz Napierala { 962009ea47eSEdward Tomasz Napierala 963009ea47eSEdward Tomasz Napierala lun->l_ctl_lun = value; 964009ea47eSEdward Tomasz Napierala } 965009ea47eSEdward Tomasz Napierala 966009ea47eSEdward Tomasz Napierala struct lun_option * 967009ea47eSEdward Tomasz Napierala lun_option_new(struct lun *lun, const char *name, const char *value) 968009ea47eSEdward Tomasz Napierala { 969009ea47eSEdward Tomasz Napierala struct lun_option *lo; 970009ea47eSEdward Tomasz Napierala 971009ea47eSEdward Tomasz Napierala lo = lun_option_find(lun, name); 972009ea47eSEdward Tomasz Napierala if (lo != NULL) { 973009ea47eSEdward Tomasz Napierala log_warnx("duplicated lun option %s for lun %d, target \"%s\"", 974f7ae5bf8SEdward Tomasz Napierala name, lun->l_lun, lun->l_target->t_name); 975009ea47eSEdward Tomasz Napierala return (NULL); 976009ea47eSEdward Tomasz Napierala } 977009ea47eSEdward Tomasz Napierala 978009ea47eSEdward Tomasz Napierala lo = calloc(1, sizeof(*lo)); 979009ea47eSEdward Tomasz Napierala if (lo == NULL) 980009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 981009ea47eSEdward Tomasz Napierala lo->lo_name = checked_strdup(name); 982009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 983009ea47eSEdward Tomasz Napierala lo->lo_lun = lun; 984009ea47eSEdward Tomasz Napierala TAILQ_INSERT_TAIL(&lun->l_options, lo, lo_next); 985009ea47eSEdward Tomasz Napierala 986009ea47eSEdward Tomasz Napierala return (lo); 987009ea47eSEdward Tomasz Napierala } 988009ea47eSEdward Tomasz Napierala 989009ea47eSEdward Tomasz Napierala void 990009ea47eSEdward Tomasz Napierala lun_option_delete(struct lun_option *lo) 991009ea47eSEdward Tomasz Napierala { 992009ea47eSEdward Tomasz Napierala 993009ea47eSEdward Tomasz Napierala TAILQ_REMOVE(&lo->lo_lun->l_options, lo, lo_next); 994009ea47eSEdward Tomasz Napierala 995009ea47eSEdward Tomasz Napierala free(lo->lo_name); 996009ea47eSEdward Tomasz Napierala free(lo->lo_value); 997009ea47eSEdward Tomasz Napierala free(lo); 998009ea47eSEdward Tomasz Napierala } 999009ea47eSEdward Tomasz Napierala 1000009ea47eSEdward Tomasz Napierala struct lun_option * 1001d6093026SEdward Tomasz Napierala lun_option_find(const struct lun *lun, const char *name) 1002009ea47eSEdward Tomasz Napierala { 1003009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1004009ea47eSEdward Tomasz Napierala 1005009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 1006009ea47eSEdward Tomasz Napierala if (strcmp(lo->lo_name, name) == 0) 1007009ea47eSEdward Tomasz Napierala return (lo); 1008009ea47eSEdward Tomasz Napierala } 1009009ea47eSEdward Tomasz Napierala 1010009ea47eSEdward Tomasz Napierala return (NULL); 1011009ea47eSEdward Tomasz Napierala } 1012009ea47eSEdward Tomasz Napierala 1013009ea47eSEdward Tomasz Napierala void 1014009ea47eSEdward Tomasz Napierala lun_option_set(struct lun_option *lo, const char *value) 1015009ea47eSEdward Tomasz Napierala { 1016009ea47eSEdward Tomasz Napierala 1017009ea47eSEdward Tomasz Napierala free(lo->lo_value); 1018009ea47eSEdward Tomasz Napierala lo->lo_value = checked_strdup(value); 1019009ea47eSEdward Tomasz Napierala } 1020009ea47eSEdward Tomasz Napierala 1021009ea47eSEdward Tomasz Napierala static struct connection * 1022073edb1cSAlexander Motin connection_new(struct portal *portal, int fd, const char *host, 1023073edb1cSAlexander Motin const struct sockaddr *client_sa) 1024009ea47eSEdward Tomasz Napierala { 1025009ea47eSEdward Tomasz Napierala struct connection *conn; 1026009ea47eSEdward Tomasz Napierala 1027009ea47eSEdward Tomasz Napierala conn = calloc(1, sizeof(*conn)); 1028009ea47eSEdward Tomasz Napierala if (conn == NULL) 1029009ea47eSEdward Tomasz Napierala log_err(1, "calloc"); 1030009ea47eSEdward Tomasz Napierala conn->conn_portal = portal; 1031009ea47eSEdward Tomasz Napierala conn->conn_socket = fd; 1032009ea47eSEdward Tomasz Napierala conn->conn_initiator_addr = checked_strdup(host); 1033073edb1cSAlexander Motin memcpy(&conn->conn_initiator_sa, client_sa, client_sa->sa_len); 1034009ea47eSEdward Tomasz Napierala 1035009ea47eSEdward Tomasz Napierala /* 1036009ea47eSEdward Tomasz Napierala * Default values, from RFC 3720, section 12. 1037009ea47eSEdward Tomasz Napierala */ 1038009ea47eSEdward Tomasz Napierala conn->conn_max_data_segment_length = 8192; 1039009ea47eSEdward Tomasz Napierala conn->conn_max_burst_length = 262144; 1040009ea47eSEdward Tomasz Napierala conn->conn_immediate_data = true; 1041009ea47eSEdward Tomasz Napierala 1042009ea47eSEdward Tomasz Napierala return (conn); 1043009ea47eSEdward Tomasz Napierala } 1044009ea47eSEdward Tomasz Napierala 1045009ea47eSEdward Tomasz Napierala #if 0 1046009ea47eSEdward Tomasz Napierala static void 1047009ea47eSEdward Tomasz Napierala conf_print(struct conf *conf) 1048009ea47eSEdward Tomasz Napierala { 1049009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1050009ea47eSEdward Tomasz Napierala struct auth *auth; 10518cb2e958SEdward Tomasz Napierala struct auth_name *auth_name; 10528cb2e958SEdward Tomasz Napierala struct auth_portal *auth_portal; 1053009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1054009ea47eSEdward Tomasz Napierala struct portal *portal; 1055009ea47eSEdward Tomasz Napierala struct target *targ; 1056009ea47eSEdward Tomasz Napierala struct lun *lun; 1057009ea47eSEdward Tomasz Napierala struct lun_option *lo; 1058009ea47eSEdward Tomasz Napierala 1059009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1060009ea47eSEdward Tomasz Napierala fprintf(stderr, "auth-group %s {\n", ag->ag_name); 1061009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(auth, &ag->ag_auths, a_next) 1062009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t chap-mutual %s %s %s %s\n", 1063009ea47eSEdward Tomasz Napierala auth->a_user, auth->a_secret, 1064009ea47eSEdward Tomasz Napierala auth->a_mutual_user, auth->a_mutual_secret); 10658cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_name, &ag->ag_names, an_next) 10668cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-name %s\n", 10678cb2e958SEdward Tomasz Napierala auth_name->an_initator_name); 10688cb2e958SEdward Tomasz Napierala TAILQ_FOREACH(auth_portal, &ag->ag_portals, an_next) 10698cb2e958SEdward Tomasz Napierala fprintf(stderr, "\t initiator-portal %s\n", 10708cb2e958SEdward Tomasz Napierala auth_portal->an_initator_portal); 1071009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1072009ea47eSEdward Tomasz Napierala } 1073009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1074009ea47eSEdward Tomasz Napierala fprintf(stderr, "portal-group %s {\n", pg->pg_name); 1075009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1076009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t listen %s\n", portal->p_listen); 1077009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1078009ea47eSEdward Tomasz Napierala } 1079009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1080f7ae5bf8SEdward Tomasz Napierala fprintf(stderr, "target %s {\n", targ->t_name); 1081009ea47eSEdward Tomasz Napierala if (targ->t_alias != NULL) 1082009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t alias %s\n", targ->t_alias); 1083009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 1084009ea47eSEdward Tomasz Napierala fprintf(stderr, "\tlun %d {\n", lun->l_lun); 1085009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\tpath %s\n", lun->l_path); 1086009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lo, &lun->l_options, lo_next) 1087009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t\toption %s %s\n", 1088009ea47eSEdward Tomasz Napierala lo->lo_name, lo->lo_value); 1089009ea47eSEdward Tomasz Napierala fprintf(stderr, "\t}\n"); 1090009ea47eSEdward Tomasz Napierala } 1091009ea47eSEdward Tomasz Napierala fprintf(stderr, "}\n"); 1092009ea47eSEdward Tomasz Napierala } 1093009ea47eSEdward Tomasz Napierala } 1094009ea47eSEdward Tomasz Napierala #endif 1095009ea47eSEdward Tomasz Napierala 10962fabfaa5SEdward Tomasz Napierala static int 10972fabfaa5SEdward Tomasz Napierala conf_verify_lun(struct lun *lun) 10982fabfaa5SEdward Tomasz Napierala { 10992fabfaa5SEdward Tomasz Napierala const struct lun *lun2; 1100a19eebb1SEdward Tomasz Napierala const struct target *targ2; 11012fabfaa5SEdward Tomasz Napierala 11022fabfaa5SEdward Tomasz Napierala if (lun->l_backend == NULL) 11032fabfaa5SEdward Tomasz Napierala lun_set_backend(lun, "block"); 11042fabfaa5SEdward Tomasz Napierala if (strcmp(lun->l_backend, "block") == 0) { 11052fabfaa5SEdward Tomasz Napierala if (lun->l_path == NULL) { 11062fabfaa5SEdward Tomasz Napierala log_warnx("missing path for lun %d, target \"%s\"", 1107f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name); 11082fabfaa5SEdward Tomasz Napierala return (1); 11092fabfaa5SEdward Tomasz Napierala } 11102fabfaa5SEdward Tomasz Napierala } else if (strcmp(lun->l_backend, "ramdisk") == 0) { 11112fabfaa5SEdward Tomasz Napierala if (lun->l_size == 0) { 11122fabfaa5SEdward Tomasz Napierala log_warnx("missing size for ramdisk-backed lun %d, " 1113f7ae5bf8SEdward Tomasz Napierala "target \"%s\"", lun->l_lun, lun->l_target->t_name); 11142fabfaa5SEdward Tomasz Napierala return (1); 11152fabfaa5SEdward Tomasz Napierala } 11162fabfaa5SEdward Tomasz Napierala if (lun->l_path != NULL) { 11172fabfaa5SEdward Tomasz Napierala log_warnx("path must not be specified " 11182fabfaa5SEdward Tomasz Napierala "for ramdisk-backed lun %d, target \"%s\"", 1119f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name); 11202fabfaa5SEdward Tomasz Napierala return (1); 11212fabfaa5SEdward Tomasz Napierala } 11222fabfaa5SEdward Tomasz Napierala } 11232fabfaa5SEdward Tomasz Napierala if (lun->l_lun < 0 || lun->l_lun > 255) { 11242fabfaa5SEdward Tomasz Napierala log_warnx("invalid lun number for lun %d, target \"%s\"; " 11252fabfaa5SEdward Tomasz Napierala "must be between 0 and 255", lun->l_lun, 1126f7ae5bf8SEdward Tomasz Napierala lun->l_target->t_name); 11272fabfaa5SEdward Tomasz Napierala return (1); 11282fabfaa5SEdward Tomasz Napierala } 11292fabfaa5SEdward Tomasz Napierala if (lun->l_blocksize == 0) { 11302fabfaa5SEdward Tomasz Napierala lun_set_blocksize(lun, DEFAULT_BLOCKSIZE); 11312fabfaa5SEdward Tomasz Napierala } else if (lun->l_blocksize < 0) { 11322fabfaa5SEdward Tomasz Napierala log_warnx("invalid blocksize for lun %d, target \"%s\"; " 1133f7ae5bf8SEdward Tomasz Napierala "must be larger than 0", lun->l_lun, lun->l_target->t_name); 11342fabfaa5SEdward Tomasz Napierala return (1); 11352fabfaa5SEdward Tomasz Napierala } 11362fabfaa5SEdward Tomasz Napierala if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) { 11372fabfaa5SEdward Tomasz Napierala log_warnx("invalid size for lun %d, target \"%s\"; " 11382fabfaa5SEdward Tomasz Napierala "must be multiple of blocksize", lun->l_lun, 1139f7ae5bf8SEdward Tomasz Napierala lun->l_target->t_name); 11402fabfaa5SEdward Tomasz Napierala return (1); 11412fabfaa5SEdward Tomasz Napierala } 1142a19eebb1SEdward Tomasz Napierala TAILQ_FOREACH(targ2, &lun->l_target->t_conf->conf_targets, t_next) { 1143a19eebb1SEdward Tomasz Napierala TAILQ_FOREACH(lun2, &targ2->t_luns, l_next) { 1144a19eebb1SEdward Tomasz Napierala if (lun == lun2) 1145a19eebb1SEdward Tomasz Napierala continue; 1146a19eebb1SEdward Tomasz Napierala if (lun->l_path != NULL && lun2->l_path != NULL && 1147a19eebb1SEdward Tomasz Napierala strcmp(lun->l_path, lun2->l_path) == 0) { 1148a19eebb1SEdward Tomasz Napierala log_debugx("WARNING: path \"%s\" duplicated " 1149a19eebb1SEdward Tomasz Napierala "between lun %d, target \"%s\", and " 1150a19eebb1SEdward Tomasz Napierala "lun %d, target \"%s\"", lun->l_path, 1151f7ae5bf8SEdward Tomasz Napierala lun->l_lun, lun->l_target->t_name, 1152f7ae5bf8SEdward Tomasz Napierala lun2->l_lun, lun2->l_target->t_name); 1153a19eebb1SEdward Tomasz Napierala } 1154a19eebb1SEdward Tomasz Napierala } 1155a19eebb1SEdward Tomasz Napierala } 11562fabfaa5SEdward Tomasz Napierala 11572fabfaa5SEdward Tomasz Napierala return (0); 11582fabfaa5SEdward Tomasz Napierala } 11592fabfaa5SEdward Tomasz Napierala 1160009ea47eSEdward Tomasz Napierala int 1161009ea47eSEdward Tomasz Napierala conf_verify(struct conf *conf) 1162009ea47eSEdward Tomasz Napierala { 1163009ea47eSEdward Tomasz Napierala struct auth_group *ag; 1164009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1165009ea47eSEdward Tomasz Napierala struct target *targ; 11662fabfaa5SEdward Tomasz Napierala struct lun *lun; 116719b59f13SEdward Tomasz Napierala bool found_lun; 11682fabfaa5SEdward Tomasz Napierala int error; 1169009ea47eSEdward Tomasz Napierala 1170009ea47eSEdward Tomasz Napierala if (conf->conf_pidfile_path == NULL) 1171009ea47eSEdward Tomasz Napierala conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE); 1172009ea47eSEdward Tomasz Napierala 1173009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1174009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == NULL) { 1175e7977549SEdward Tomasz Napierala targ->t_auth_group = auth_group_find(conf, 1176e7977549SEdward Tomasz Napierala "default"); 1177e7977549SEdward Tomasz Napierala assert(targ->t_auth_group != NULL); 1178009ea47eSEdward Tomasz Napierala } 1179009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == NULL) { 1180009ea47eSEdward Tomasz Napierala targ->t_portal_group = portal_group_find(conf, 1181009ea47eSEdward Tomasz Napierala "default"); 1182009ea47eSEdward Tomasz Napierala assert(targ->t_portal_group != NULL); 1183009ea47eSEdward Tomasz Napierala } 118419b59f13SEdward Tomasz Napierala found_lun = false; 1185009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(lun, &targ->t_luns, l_next) { 11862fabfaa5SEdward Tomasz Napierala error = conf_verify_lun(lun); 11872fabfaa5SEdward Tomasz Napierala if (error != 0) 11882fabfaa5SEdward Tomasz Napierala return (error); 118919b59f13SEdward Tomasz Napierala found_lun = true; 1190009ea47eSEdward Tomasz Napierala } 119119b59f13SEdward Tomasz Napierala if (!found_lun) { 119219b59f13SEdward Tomasz Napierala log_warnx("no LUNs defined for target \"%s\"", 119319b59f13SEdward Tomasz Napierala targ->t_name); 1194009ea47eSEdward Tomasz Napierala } 1195009ea47eSEdward Tomasz Napierala } 1196009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1197009ea47eSEdward Tomasz Napierala assert(pg->pg_name != NULL); 1198009ea47eSEdward Tomasz Napierala if (pg->pg_discovery_auth_group == NULL) { 1199009ea47eSEdward Tomasz Napierala pg->pg_discovery_auth_group = 1200ccb1f04dSEdward Tomasz Napierala auth_group_find(conf, "default"); 1201009ea47eSEdward Tomasz Napierala assert(pg->pg_discovery_auth_group != NULL); 1202009ea47eSEdward Tomasz Napierala } 1203009ea47eSEdward Tomasz Napierala 1204009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1205009ea47eSEdward Tomasz Napierala if (targ->t_portal_group == pg) 1206009ea47eSEdward Tomasz Napierala break; 1207009ea47eSEdward Tomasz Napierala } 1208009ea47eSEdward Tomasz Napierala if (targ == NULL) { 1209009ea47eSEdward Tomasz Napierala if (strcmp(pg->pg_name, "default") != 0) 1210009ea47eSEdward Tomasz Napierala log_warnx("portal-group \"%s\" not assigned " 1211009ea47eSEdward Tomasz Napierala "to any target", pg->pg_name); 1212009ea47eSEdward Tomasz Napierala pg->pg_unassigned = true; 1213009ea47eSEdward Tomasz Napierala } else 1214009ea47eSEdward Tomasz Napierala pg->pg_unassigned = false; 1215009ea47eSEdward Tomasz Napierala } 1216009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(ag, &conf->conf_auth_groups, ag_next) { 1217009ea47eSEdward Tomasz Napierala if (ag->ag_name == NULL) 1218009ea47eSEdward Tomasz Napierala assert(ag->ag_target != NULL); 1219009ea47eSEdward Tomasz Napierala else 1220009ea47eSEdward Tomasz Napierala assert(ag->ag_target == NULL); 1221009ea47eSEdward Tomasz Napierala 1222009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(targ, &conf->conf_targets, t_next) { 1223009ea47eSEdward Tomasz Napierala if (targ->t_auth_group == ag) 1224009ea47eSEdward Tomasz Napierala break; 1225009ea47eSEdward Tomasz Napierala } 1226009ea47eSEdward Tomasz Napierala if (targ == NULL && ag->ag_name != NULL && 1227ccb1f04dSEdward Tomasz Napierala strcmp(ag->ag_name, "default") != 0 && 1228009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-authentication") != 0 && 1229009ea47eSEdward Tomasz Napierala strcmp(ag->ag_name, "no-access") != 0) { 1230009ea47eSEdward Tomasz Napierala log_warnx("auth-group \"%s\" not assigned " 1231009ea47eSEdward Tomasz Napierala "to any target", ag->ag_name); 1232009ea47eSEdward Tomasz Napierala } 1233009ea47eSEdward Tomasz Napierala } 1234009ea47eSEdward Tomasz Napierala 1235009ea47eSEdward Tomasz Napierala return (0); 1236009ea47eSEdward Tomasz Napierala } 1237009ea47eSEdward Tomasz Napierala 1238009ea47eSEdward Tomasz Napierala static int 1239009ea47eSEdward Tomasz Napierala conf_apply(struct conf *oldconf, struct conf *newconf) 1240009ea47eSEdward Tomasz Napierala { 1241009ea47eSEdward Tomasz Napierala struct target *oldtarg, *newtarg, *tmptarg; 1242009ea47eSEdward Tomasz Napierala struct lun *oldlun, *newlun, *tmplun; 1243009ea47eSEdward Tomasz Napierala struct portal_group *oldpg, *newpg; 1244009ea47eSEdward Tomasz Napierala struct portal *oldp, *newp; 1245009ea47eSEdward Tomasz Napierala pid_t otherpid; 1246009ea47eSEdward Tomasz Napierala int changed, cumulated_error = 0, error; 1247009ea47eSEdward Tomasz Napierala int one = 1; 1248009ea47eSEdward Tomasz Napierala 1249009ea47eSEdward Tomasz Napierala if (oldconf->conf_debug != newconf->conf_debug) { 1250009ea47eSEdward Tomasz Napierala log_debugx("changing debug level to %d", newconf->conf_debug); 1251009ea47eSEdward Tomasz Napierala log_init(newconf->conf_debug); 1252009ea47eSEdward Tomasz Napierala } 1253009ea47eSEdward Tomasz Napierala 1254009ea47eSEdward Tomasz Napierala if (oldconf->conf_pidfh != NULL) { 1255009ea47eSEdward Tomasz Napierala assert(oldconf->conf_pidfile_path != NULL); 1256009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfile_path != NULL && 1257009ea47eSEdward Tomasz Napierala strcmp(oldconf->conf_pidfile_path, 1258009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path) == 0) { 1259009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = oldconf->conf_pidfh; 1260009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1261009ea47eSEdward Tomasz Napierala } else { 1262009ea47eSEdward Tomasz Napierala log_debugx("removing pidfile %s", 1263009ea47eSEdward Tomasz Napierala oldconf->conf_pidfile_path); 1264009ea47eSEdward Tomasz Napierala pidfile_remove(oldconf->conf_pidfh); 1265009ea47eSEdward Tomasz Napierala oldconf->conf_pidfh = NULL; 1266009ea47eSEdward Tomasz Napierala } 1267009ea47eSEdward Tomasz Napierala } 1268009ea47eSEdward Tomasz Napierala 1269009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL && newconf->conf_pidfile_path != NULL) { 1270009ea47eSEdward Tomasz Napierala log_debugx("opening pidfile %s", newconf->conf_pidfile_path); 1271009ea47eSEdward Tomasz Napierala newconf->conf_pidfh = 1272009ea47eSEdward Tomasz Napierala pidfile_open(newconf->conf_pidfile_path, 0600, &otherpid); 1273009ea47eSEdward Tomasz Napierala if (newconf->conf_pidfh == NULL) { 1274009ea47eSEdward Tomasz Napierala if (errno == EEXIST) 1275009ea47eSEdward Tomasz Napierala log_errx(1, "daemon already running, pid: %jd.", 1276009ea47eSEdward Tomasz Napierala (intmax_t)otherpid); 1277009ea47eSEdward Tomasz Napierala log_err(1, "cannot open or create pidfile \"%s\"", 1278009ea47eSEdward Tomasz Napierala newconf->conf_pidfile_path); 1279009ea47eSEdward Tomasz Napierala } 1280009ea47eSEdward Tomasz Napierala } 1281009ea47eSEdward Tomasz Napierala 1282d5e316e5SEdward Tomasz Napierala /* 1283d5e316e5SEdward Tomasz Napierala * XXX: If target or lun removal fails, we should somehow "move" 1284d5e316e5SEdward Tomasz Napierala * the old lun or target into newconf, so that subsequent 128561a2a354SEdward Tomasz Napierala * conf_apply() would try to remove them again. That would 128661a2a354SEdward Tomasz Napierala * be somewhat hairy, though, and lun deletion failures don't 128761a2a354SEdward Tomasz Napierala * really happen, so leave it as it is for now. 1288d5e316e5SEdward Tomasz Napierala */ 1289009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldtarg, &oldconf->conf_targets, t_next, tmptarg) { 1290009ea47eSEdward Tomasz Napierala /* 1291009ea47eSEdward Tomasz Napierala * First, remove any targets present in the old configuration 1292009ea47eSEdward Tomasz Napierala * and missing in the new one. 1293009ea47eSEdward Tomasz Napierala */ 1294f7ae5bf8SEdward Tomasz Napierala newtarg = target_find(newconf, oldtarg->t_name); 1295009ea47eSEdward Tomasz Napierala if (newtarg == NULL) { 1296009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldlun, &oldtarg->t_luns, l_next, 1297009ea47eSEdward Tomasz Napierala tmplun) { 1298cadf3831SEdward Tomasz Napierala log_debugx("target %s not found in new " 1299cadf3831SEdward Tomasz Napierala "configuration; removing its lun %d, " 1300009ea47eSEdward Tomasz Napierala "backed by CTL lun %d", 1301f7ae5bf8SEdward Tomasz Napierala oldtarg->t_name, oldlun->l_lun, 1302009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1303009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1304009ea47eSEdward Tomasz Napierala if (error != 0) { 1305009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1306009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1307f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1308009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1309009ea47eSEdward Tomasz Napierala cumulated_error++; 1310009ea47eSEdward Tomasz Napierala } 1311009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1312009ea47eSEdward Tomasz Napierala } 1313917d38fbSAlexander Motin kernel_port_remove(oldtarg); 1314009ea47eSEdward Tomasz Napierala target_delete(oldtarg); 1315009ea47eSEdward Tomasz Napierala continue; 1316009ea47eSEdward Tomasz Napierala } 1317009ea47eSEdward Tomasz Napierala 1318009ea47eSEdward Tomasz Napierala /* 1319009ea47eSEdward Tomasz Napierala * Second, remove any LUNs present in the old target 1320009ea47eSEdward Tomasz Napierala * and missing in the new one. 1321009ea47eSEdward Tomasz Napierala */ 1322009ea47eSEdward Tomasz Napierala TAILQ_FOREACH_SAFE(oldlun, &oldtarg->t_luns, l_next, tmplun) { 1323009ea47eSEdward Tomasz Napierala newlun = lun_find(newtarg, oldlun->l_lun); 1324009ea47eSEdward Tomasz Napierala if (newlun == NULL) { 1325009ea47eSEdward Tomasz Napierala log_debugx("lun %d, target %s, CTL lun %d " 1326cadf3831SEdward Tomasz Napierala "not found in new configuration; " 1327f7ae5bf8SEdward Tomasz Napierala "removing", oldlun->l_lun, oldtarg->t_name, 1328009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1329009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1330009ea47eSEdward Tomasz Napierala if (error != 0) { 1331009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1332009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1333f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1334009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1335009ea47eSEdward Tomasz Napierala cumulated_error++; 1336009ea47eSEdward Tomasz Napierala } 1337009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1338009ea47eSEdward Tomasz Napierala continue; 1339009ea47eSEdward Tomasz Napierala } 1340009ea47eSEdward Tomasz Napierala 1341009ea47eSEdward Tomasz Napierala /* 1342009ea47eSEdward Tomasz Napierala * Also remove the LUNs changed by more than size. 1343009ea47eSEdward Tomasz Napierala */ 1344009ea47eSEdward Tomasz Napierala changed = 0; 1345009ea47eSEdward Tomasz Napierala assert(oldlun->l_backend != NULL); 1346009ea47eSEdward Tomasz Napierala assert(newlun->l_backend != NULL); 1347009ea47eSEdward Tomasz Napierala if (strcmp(newlun->l_backend, oldlun->l_backend) != 0) { 1348009ea47eSEdward Tomasz Napierala log_debugx("backend for lun %d, target %s, " 1349009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1350f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1351009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1352009ea47eSEdward Tomasz Napierala changed = 1; 1353009ea47eSEdward Tomasz Napierala } 1354009ea47eSEdward Tomasz Napierala if (oldlun->l_blocksize != newlun->l_blocksize) { 1355009ea47eSEdward Tomasz Napierala log_debugx("blocksize for lun %d, target %s, " 1356009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1357f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1358009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1359009ea47eSEdward Tomasz Napierala changed = 1; 1360009ea47eSEdward Tomasz Napierala } 1361009ea47eSEdward Tomasz Napierala if (newlun->l_device_id != NULL && 1362009ea47eSEdward Tomasz Napierala (oldlun->l_device_id == NULL || 1363009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_device_id, newlun->l_device_id) != 1364009ea47eSEdward Tomasz Napierala 0)) { 1365009ea47eSEdward Tomasz Napierala log_debugx("device-id for lun %d, target %s, " 1366009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1367f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1368009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1369009ea47eSEdward Tomasz Napierala changed = 1; 1370009ea47eSEdward Tomasz Napierala } 1371009ea47eSEdward Tomasz Napierala if (newlun->l_path != NULL && 1372009ea47eSEdward Tomasz Napierala (oldlun->l_path == NULL || 1373009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_path, newlun->l_path) != 0)) { 1374009ea47eSEdward Tomasz Napierala log_debugx("path for lun %d, target %s, " 1375009ea47eSEdward Tomasz Napierala "CTL lun %d, changed; removing", 1376f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1377009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1378009ea47eSEdward Tomasz Napierala changed = 1; 1379009ea47eSEdward Tomasz Napierala } 1380009ea47eSEdward Tomasz Napierala if (newlun->l_serial != NULL && 1381009ea47eSEdward Tomasz Napierala (oldlun->l_serial == NULL || 1382009ea47eSEdward Tomasz Napierala strcmp(oldlun->l_serial, newlun->l_serial) != 0)) { 1383009ea47eSEdward Tomasz Napierala log_debugx("serial for lun %d, target %s, " 1384009ea47eSEdward Tomasz Napierala "CTL lun %d changed; removing", 1385f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1386009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1387009ea47eSEdward Tomasz Napierala changed = 1; 1388009ea47eSEdward Tomasz Napierala } 1389009ea47eSEdward Tomasz Napierala if (changed) { 1390009ea47eSEdward Tomasz Napierala error = kernel_lun_remove(oldlun); 1391009ea47eSEdward Tomasz Napierala if (error != 0) { 1392009ea47eSEdward Tomasz Napierala log_warnx("failed to remove lun %d, " 1393009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1394f7ae5bf8SEdward Tomasz Napierala oldlun->l_lun, oldtarg->t_name, 1395009ea47eSEdward Tomasz Napierala oldlun->l_ctl_lun); 1396009ea47eSEdward Tomasz Napierala cumulated_error++; 1397009ea47eSEdward Tomasz Napierala } 1398009ea47eSEdward Tomasz Napierala lun_delete(oldlun); 1399009ea47eSEdward Tomasz Napierala continue; 1400009ea47eSEdward Tomasz Napierala } 1401009ea47eSEdward Tomasz Napierala 1402009ea47eSEdward Tomasz Napierala lun_set_ctl_lun(newlun, oldlun->l_ctl_lun); 1403009ea47eSEdward Tomasz Napierala } 1404009ea47eSEdward Tomasz Napierala } 1405009ea47eSEdward Tomasz Napierala 1406009ea47eSEdward Tomasz Napierala /* 1407009ea47eSEdward Tomasz Napierala * Now add new targets or modify existing ones. 1408009ea47eSEdward Tomasz Napierala */ 1409009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newtarg, &newconf->conf_targets, t_next) { 1410f7ae5bf8SEdward Tomasz Napierala oldtarg = target_find(oldconf, newtarg->t_name); 1411009ea47eSEdward Tomasz Napierala 1412d5e316e5SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(newlun, &newtarg->t_luns, l_next, tmplun) { 1413009ea47eSEdward Tomasz Napierala if (oldtarg != NULL) { 1414009ea47eSEdward Tomasz Napierala oldlun = lun_find(oldtarg, newlun->l_lun); 1415009ea47eSEdward Tomasz Napierala if (oldlun != NULL) { 1416*8cf98331SAlexander Motin if (newlun->l_size != oldlun->l_size || 1417*8cf98331SAlexander Motin newlun->l_size == 0) { 1418009ea47eSEdward Tomasz Napierala log_debugx("resizing lun %d, " 1419009ea47eSEdward Tomasz Napierala "target %s, CTL lun %d", 1420009ea47eSEdward Tomasz Napierala newlun->l_lun, 1421f7ae5bf8SEdward Tomasz Napierala newtarg->t_name, 1422009ea47eSEdward Tomasz Napierala newlun->l_ctl_lun); 1423009ea47eSEdward Tomasz Napierala error = 1424009ea47eSEdward Tomasz Napierala kernel_lun_resize(newlun); 1425009ea47eSEdward Tomasz Napierala if (error != 0) { 1426009ea47eSEdward Tomasz Napierala log_warnx("failed to " 1427009ea47eSEdward Tomasz Napierala "resize lun %d, " 1428009ea47eSEdward Tomasz Napierala "target %s, " 1429009ea47eSEdward Tomasz Napierala "CTL lun %d", 1430009ea47eSEdward Tomasz Napierala newlun->l_lun, 1431f7ae5bf8SEdward Tomasz Napierala newtarg->t_name, 1432009ea47eSEdward Tomasz Napierala newlun->l_lun); 1433009ea47eSEdward Tomasz Napierala cumulated_error++; 1434009ea47eSEdward Tomasz Napierala } 1435009ea47eSEdward Tomasz Napierala } 1436009ea47eSEdward Tomasz Napierala continue; 1437009ea47eSEdward Tomasz Napierala } 1438009ea47eSEdward Tomasz Napierala } 1439009ea47eSEdward Tomasz Napierala log_debugx("adding lun %d, target %s", 1440f7ae5bf8SEdward Tomasz Napierala newlun->l_lun, newtarg->t_name); 1441009ea47eSEdward Tomasz Napierala error = kernel_lun_add(newlun); 1442009ea47eSEdward Tomasz Napierala if (error != 0) { 1443009ea47eSEdward Tomasz Napierala log_warnx("failed to add lun %d, target %s", 1444f7ae5bf8SEdward Tomasz Napierala newlun->l_lun, newtarg->t_name); 1445d5e316e5SEdward Tomasz Napierala lun_delete(newlun); 1446009ea47eSEdward Tomasz Napierala cumulated_error++; 1447009ea47eSEdward Tomasz Napierala } 1448009ea47eSEdward Tomasz Napierala } 1449917d38fbSAlexander Motin if (oldtarg == NULL) 1450917d38fbSAlexander Motin kernel_port_add(newtarg); 1451009ea47eSEdward Tomasz Napierala } 1452009ea47eSEdward Tomasz Napierala 1453009ea47eSEdward Tomasz Napierala /* 1454009ea47eSEdward Tomasz Napierala * Go through the new portals, opening the sockets as neccessary. 1455009ea47eSEdward Tomasz Napierala */ 1456009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newpg, &newconf->conf_portal_groups, pg_next) { 1457009ea47eSEdward Tomasz Napierala if (newpg->pg_unassigned) { 1458009ea47eSEdward Tomasz Napierala log_debugx("not listening on portal-group \"%s\", " 1459009ea47eSEdward Tomasz Napierala "not assigned to any target", 1460009ea47eSEdward Tomasz Napierala newpg->pg_name); 1461009ea47eSEdward Tomasz Napierala continue; 1462009ea47eSEdward Tomasz Napierala } 1463009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(newp, &newpg->pg_portals, p_next) { 1464009ea47eSEdward Tomasz Napierala /* 1465009ea47eSEdward Tomasz Napierala * Try to find already open portal and reuse 1466009ea47eSEdward Tomasz Napierala * the listening socket. We don't care about 1467009ea47eSEdward Tomasz Napierala * what portal or portal group that was, what 1468009ea47eSEdward Tomasz Napierala * matters is the listening address. 1469009ea47eSEdward Tomasz Napierala */ 1470009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, 1471009ea47eSEdward Tomasz Napierala pg_next) { 1472009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, 1473009ea47eSEdward Tomasz Napierala p_next) { 1474009ea47eSEdward Tomasz Napierala if (strcmp(newp->p_listen, 1475009ea47eSEdward Tomasz Napierala oldp->p_listen) == 0 && 1476009ea47eSEdward Tomasz Napierala oldp->p_socket > 0) { 1477009ea47eSEdward Tomasz Napierala newp->p_socket = 1478009ea47eSEdward Tomasz Napierala oldp->p_socket; 1479009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1480009ea47eSEdward Tomasz Napierala break; 1481009ea47eSEdward Tomasz Napierala } 1482009ea47eSEdward Tomasz Napierala } 1483009ea47eSEdward Tomasz Napierala } 1484009ea47eSEdward Tomasz Napierala if (newp->p_socket > 0) { 1485009ea47eSEdward Tomasz Napierala /* 1486009ea47eSEdward Tomasz Napierala * We're done with this portal. 1487009ea47eSEdward Tomasz Napierala */ 1488009ea47eSEdward Tomasz Napierala continue; 1489009ea47eSEdward Tomasz Napierala } 1490009ea47eSEdward Tomasz Napierala 1491009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1492ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 14938cab2ed4SEdward Tomasz Napierala newpg->pg_conf->conf_portal_id++; 14948cab2ed4SEdward Tomasz Napierala newp->p_id = newpg->pg_conf->conf_portal_id; 14958cab2ed4SEdward Tomasz Napierala log_debugx("listening on %s, portal-group " 14968cab2ed4SEdward Tomasz Napierala "\"%s\", portal id %d, using ICL proxy", 14978cab2ed4SEdward Tomasz Napierala newp->p_listen, newpg->pg_name, newp->p_id); 14988cab2ed4SEdward Tomasz Napierala kernel_listen(newp->p_ai, newp->p_iser, 14998cab2ed4SEdward Tomasz Napierala newp->p_id); 1500ba3a2d31SEdward Tomasz Napierala continue; 1501ba3a2d31SEdward Tomasz Napierala } 1502ba3a2d31SEdward Tomasz Napierala #endif 1503ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 1504009ea47eSEdward Tomasz Napierala assert(newp->p_iser == false); 1505009ea47eSEdward Tomasz Napierala 1506009ea47eSEdward Tomasz Napierala log_debugx("listening on %s, portal-group \"%s\"", 1507009ea47eSEdward Tomasz Napierala newp->p_listen, newpg->pg_name); 1508009ea47eSEdward Tomasz Napierala newp->p_socket = socket(newp->p_ai->ai_family, 1509009ea47eSEdward Tomasz Napierala newp->p_ai->ai_socktype, 1510009ea47eSEdward Tomasz Napierala newp->p_ai->ai_protocol); 1511009ea47eSEdward Tomasz Napierala if (newp->p_socket < 0) { 1512009ea47eSEdward Tomasz Napierala log_warn("socket(2) failed for %s", 1513009ea47eSEdward Tomasz Napierala newp->p_listen); 1514009ea47eSEdward Tomasz Napierala cumulated_error++; 1515009ea47eSEdward Tomasz Napierala continue; 1516009ea47eSEdward Tomasz Napierala } 1517009ea47eSEdward Tomasz Napierala error = setsockopt(newp->p_socket, SOL_SOCKET, 1518009ea47eSEdward Tomasz Napierala SO_REUSEADDR, &one, sizeof(one)); 1519009ea47eSEdward Tomasz Napierala if (error != 0) { 1520009ea47eSEdward Tomasz Napierala log_warn("setsockopt(SO_REUSEADDR) failed " 1521009ea47eSEdward Tomasz Napierala "for %s", newp->p_listen); 1522009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1523009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1524009ea47eSEdward Tomasz Napierala cumulated_error++; 1525009ea47eSEdward Tomasz Napierala continue; 1526009ea47eSEdward Tomasz Napierala } 1527009ea47eSEdward Tomasz Napierala error = bind(newp->p_socket, newp->p_ai->ai_addr, 1528009ea47eSEdward Tomasz Napierala newp->p_ai->ai_addrlen); 1529009ea47eSEdward Tomasz Napierala if (error != 0) { 1530009ea47eSEdward Tomasz Napierala log_warn("bind(2) failed for %s", 1531009ea47eSEdward Tomasz Napierala newp->p_listen); 1532009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1533009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1534009ea47eSEdward Tomasz Napierala cumulated_error++; 1535009ea47eSEdward Tomasz Napierala continue; 1536009ea47eSEdward Tomasz Napierala } 1537009ea47eSEdward Tomasz Napierala error = listen(newp->p_socket, -1); 1538009ea47eSEdward Tomasz Napierala if (error != 0) { 1539009ea47eSEdward Tomasz Napierala log_warn("listen(2) failed for %s", 1540009ea47eSEdward Tomasz Napierala newp->p_listen); 1541009ea47eSEdward Tomasz Napierala close(newp->p_socket); 1542009ea47eSEdward Tomasz Napierala newp->p_socket = 0; 1543009ea47eSEdward Tomasz Napierala cumulated_error++; 1544009ea47eSEdward Tomasz Napierala continue; 1545009ea47eSEdward Tomasz Napierala } 1546009ea47eSEdward Tomasz Napierala } 1547009ea47eSEdward Tomasz Napierala } 1548009ea47eSEdward Tomasz Napierala 1549009ea47eSEdward Tomasz Napierala /* 1550009ea47eSEdward Tomasz Napierala * Go through the no longer used sockets, closing them. 1551009ea47eSEdward Tomasz Napierala */ 1552009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldpg, &oldconf->conf_portal_groups, pg_next) { 1553009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(oldp, &oldpg->pg_portals, p_next) { 1554009ea47eSEdward Tomasz Napierala if (oldp->p_socket <= 0) 1555009ea47eSEdward Tomasz Napierala continue; 1556009ea47eSEdward Tomasz Napierala log_debugx("closing socket for %s, portal-group \"%s\"", 1557009ea47eSEdward Tomasz Napierala oldp->p_listen, oldpg->pg_name); 1558009ea47eSEdward Tomasz Napierala close(oldp->p_socket); 1559009ea47eSEdward Tomasz Napierala oldp->p_socket = 0; 1560009ea47eSEdward Tomasz Napierala } 1561009ea47eSEdward Tomasz Napierala } 1562009ea47eSEdward Tomasz Napierala 1563009ea47eSEdward Tomasz Napierala return (cumulated_error); 1564009ea47eSEdward Tomasz Napierala } 1565009ea47eSEdward Tomasz Napierala 1566009ea47eSEdward Tomasz Napierala bool 1567009ea47eSEdward Tomasz Napierala timed_out(void) 1568009ea47eSEdward Tomasz Napierala { 1569009ea47eSEdward Tomasz Napierala 1570009ea47eSEdward Tomasz Napierala return (sigalrm_received); 1571009ea47eSEdward Tomasz Napierala } 1572009ea47eSEdward Tomasz Napierala 1573009ea47eSEdward Tomasz Napierala static void 1574009ea47eSEdward Tomasz Napierala sigalrm_handler(int dummy __unused) 1575009ea47eSEdward Tomasz Napierala { 1576009ea47eSEdward Tomasz Napierala /* 1577009ea47eSEdward Tomasz Napierala * It would be easiest to just log an error and exit. We can't 1578009ea47eSEdward Tomasz Napierala * do this, though, because log_errx() is not signal safe, since 1579009ea47eSEdward Tomasz Napierala * it calls syslog(3). Instead, set a flag checked by pdu_send() 1580009ea47eSEdward Tomasz Napierala * and pdu_receive(), to call log_errx() there. Should they fail 1581009ea47eSEdward Tomasz Napierala * to notice, we'll exit here one second later. 1582009ea47eSEdward Tomasz Napierala */ 1583009ea47eSEdward Tomasz Napierala if (sigalrm_received) { 1584009ea47eSEdward Tomasz Napierala /* 1585009ea47eSEdward Tomasz Napierala * Oh well. Just give up and quit. 1586009ea47eSEdward Tomasz Napierala */ 1587009ea47eSEdward Tomasz Napierala _exit(2); 1588009ea47eSEdward Tomasz Napierala } 1589009ea47eSEdward Tomasz Napierala 1590009ea47eSEdward Tomasz Napierala sigalrm_received = true; 1591009ea47eSEdward Tomasz Napierala } 1592009ea47eSEdward Tomasz Napierala 1593009ea47eSEdward Tomasz Napierala static void 1594009ea47eSEdward Tomasz Napierala set_timeout(const struct conf *conf) 1595009ea47eSEdward Tomasz Napierala { 1596009ea47eSEdward Tomasz Napierala struct sigaction sa; 1597009ea47eSEdward Tomasz Napierala struct itimerval itv; 1598009ea47eSEdward Tomasz Napierala int error; 1599009ea47eSEdward Tomasz Napierala 1600009ea47eSEdward Tomasz Napierala if (conf->conf_timeout <= 0) { 1601009ea47eSEdward Tomasz Napierala log_debugx("session timeout disabled"); 1602009ea47eSEdward Tomasz Napierala return; 1603009ea47eSEdward Tomasz Napierala } 1604009ea47eSEdward Tomasz Napierala 1605009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 1606009ea47eSEdward Tomasz Napierala sa.sa_handler = sigalrm_handler; 1607009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 1608009ea47eSEdward Tomasz Napierala error = sigaction(SIGALRM, &sa, NULL); 1609009ea47eSEdward Tomasz Napierala if (error != 0) 1610009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1611009ea47eSEdward Tomasz Napierala 1612009ea47eSEdward Tomasz Napierala /* 1613009ea47eSEdward Tomasz Napierala * First SIGALRM will arive after conf_timeout seconds. 1614009ea47eSEdward Tomasz Napierala * If we do nothing, another one will arrive a second later. 1615009ea47eSEdward Tomasz Napierala */ 1616009ea47eSEdward Tomasz Napierala bzero(&itv, sizeof(itv)); 1617009ea47eSEdward Tomasz Napierala itv.it_interval.tv_sec = 1; 1618009ea47eSEdward Tomasz Napierala itv.it_value.tv_sec = conf->conf_timeout; 1619009ea47eSEdward Tomasz Napierala 1620009ea47eSEdward Tomasz Napierala log_debugx("setting session timeout to %d seconds", 1621009ea47eSEdward Tomasz Napierala conf->conf_timeout); 1622009ea47eSEdward Tomasz Napierala error = setitimer(ITIMER_REAL, &itv, NULL); 1623009ea47eSEdward Tomasz Napierala if (error != 0) 1624009ea47eSEdward Tomasz Napierala log_err(1, "setitimer"); 1625009ea47eSEdward Tomasz Napierala } 1626009ea47eSEdward Tomasz Napierala 1627009ea47eSEdward Tomasz Napierala static int 1628009ea47eSEdward Tomasz Napierala wait_for_children(bool block) 1629009ea47eSEdward Tomasz Napierala { 1630009ea47eSEdward Tomasz Napierala pid_t pid; 1631009ea47eSEdward Tomasz Napierala int status; 1632009ea47eSEdward Tomasz Napierala int num = 0; 1633009ea47eSEdward Tomasz Napierala 1634009ea47eSEdward Tomasz Napierala for (;;) { 1635009ea47eSEdward Tomasz Napierala /* 1636009ea47eSEdward Tomasz Napierala * If "block" is true, wait for at least one process. 1637009ea47eSEdward Tomasz Napierala */ 1638009ea47eSEdward Tomasz Napierala if (block && num == 0) 1639009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, 0, NULL); 1640009ea47eSEdward Tomasz Napierala else 1641009ea47eSEdward Tomasz Napierala pid = wait4(-1, &status, WNOHANG, NULL); 1642009ea47eSEdward Tomasz Napierala if (pid <= 0) 1643009ea47eSEdward Tomasz Napierala break; 1644009ea47eSEdward Tomasz Napierala if (WIFSIGNALED(status)) { 1645009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with signal %d", 1646009ea47eSEdward Tomasz Napierala pid, WTERMSIG(status)); 1647009ea47eSEdward Tomasz Napierala } else if (WEXITSTATUS(status) != 0) { 1648009ea47eSEdward Tomasz Napierala log_warnx("child process %d terminated with exit status %d", 1649009ea47eSEdward Tomasz Napierala pid, WEXITSTATUS(status)); 1650009ea47eSEdward Tomasz Napierala } else { 1651009ea47eSEdward Tomasz Napierala log_debugx("child process %d terminated gracefully", pid); 1652009ea47eSEdward Tomasz Napierala } 1653009ea47eSEdward Tomasz Napierala num++; 1654009ea47eSEdward Tomasz Napierala } 1655009ea47eSEdward Tomasz Napierala 1656009ea47eSEdward Tomasz Napierala return (num); 1657009ea47eSEdward Tomasz Napierala } 1658009ea47eSEdward Tomasz Napierala 1659009ea47eSEdward Tomasz Napierala static void 16608eab95d6SEdward Tomasz Napierala handle_connection(struct portal *portal, int fd, 1661073edb1cSAlexander Motin const struct sockaddr *client_sa, bool dont_fork) 1662009ea47eSEdward Tomasz Napierala { 1663009ea47eSEdward Tomasz Napierala struct connection *conn; 1664009ea47eSEdward Tomasz Napierala int error; 1665009ea47eSEdward Tomasz Napierala pid_t pid; 1666009ea47eSEdward Tomasz Napierala char host[NI_MAXHOST + 1]; 1667009ea47eSEdward Tomasz Napierala struct conf *conf; 1668009ea47eSEdward Tomasz Napierala 1669009ea47eSEdward Tomasz Napierala conf = portal->p_portal_group->pg_conf; 1670009ea47eSEdward Tomasz Napierala 1671009ea47eSEdward Tomasz Napierala if (dont_fork) { 1672009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; not forking due to -d flag"); 1673009ea47eSEdward Tomasz Napierala } else { 1674009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 1675009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1676009ea47eSEdward Tomasz Napierala 1677009ea47eSEdward Tomasz Napierala while (conf->conf_maxproc > 0 && nchildren >= conf->conf_maxproc) { 1678009ea47eSEdward Tomasz Napierala log_debugx("maxproc limit of %d child processes hit; " 1679009ea47eSEdward Tomasz Napierala "waiting for child process to exit", conf->conf_maxproc); 1680009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(true); 1681009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1682009ea47eSEdward Tomasz Napierala } 1683009ea47eSEdward Tomasz Napierala log_debugx("incoming connection; forking child process #%d", 1684009ea47eSEdward Tomasz Napierala nchildren); 1685009ea47eSEdward Tomasz Napierala nchildren++; 1686009ea47eSEdward Tomasz Napierala pid = fork(); 1687009ea47eSEdward Tomasz Napierala if (pid < 0) 1688009ea47eSEdward Tomasz Napierala log_err(1, "fork"); 1689009ea47eSEdward Tomasz Napierala if (pid > 0) { 1690009ea47eSEdward Tomasz Napierala close(fd); 1691009ea47eSEdward Tomasz Napierala return; 1692009ea47eSEdward Tomasz Napierala } 1693009ea47eSEdward Tomasz Napierala } 1694009ea47eSEdward Tomasz Napierala pidfile_close(conf->conf_pidfh); 1695009ea47eSEdward Tomasz Napierala 1696073edb1cSAlexander Motin error = getnameinfo(client_sa, client_sa->sa_len, 1697009ea47eSEdward Tomasz Napierala host, sizeof(host), NULL, 0, NI_NUMERICHOST); 1698009ea47eSEdward Tomasz Napierala if (error != 0) 16999a95cfffSEdward Tomasz Napierala log_errx(1, "getnameinfo: %s", gai_strerror(error)); 1700009ea47eSEdward Tomasz Napierala 1701009ea47eSEdward Tomasz Napierala log_debugx("accepted connection from %s; portal group \"%s\"", 1702009ea47eSEdward Tomasz Napierala host, portal->p_portal_group->pg_name); 1703009ea47eSEdward Tomasz Napierala log_set_peer_addr(host); 1704009ea47eSEdward Tomasz Napierala setproctitle("%s", host); 1705009ea47eSEdward Tomasz Napierala 1706073edb1cSAlexander Motin conn = connection_new(portal, fd, host, client_sa); 1707009ea47eSEdward Tomasz Napierala set_timeout(conf); 1708009ea47eSEdward Tomasz Napierala kernel_capsicate(); 1709009ea47eSEdward Tomasz Napierala login(conn); 1710009ea47eSEdward Tomasz Napierala if (conn->conn_session_type == CONN_SESSION_TYPE_NORMAL) { 1711009ea47eSEdward Tomasz Napierala kernel_handoff(conn); 1712009ea47eSEdward Tomasz Napierala log_debugx("connection handed off to the kernel"); 1713009ea47eSEdward Tomasz Napierala } else { 1714009ea47eSEdward Tomasz Napierala assert(conn->conn_session_type == CONN_SESSION_TYPE_DISCOVERY); 1715009ea47eSEdward Tomasz Napierala discovery(conn); 1716009ea47eSEdward Tomasz Napierala } 1717009ea47eSEdward Tomasz Napierala log_debugx("nothing more to do; exiting"); 1718009ea47eSEdward Tomasz Napierala exit(0); 1719009ea47eSEdward Tomasz Napierala } 1720009ea47eSEdward Tomasz Napierala 1721009ea47eSEdward Tomasz Napierala static int 1722009ea47eSEdward Tomasz Napierala fd_add(int fd, fd_set *fdset, int nfds) 1723009ea47eSEdward Tomasz Napierala { 1724009ea47eSEdward Tomasz Napierala 1725009ea47eSEdward Tomasz Napierala /* 1726009ea47eSEdward Tomasz Napierala * Skip sockets which we failed to bind. 1727009ea47eSEdward Tomasz Napierala */ 1728009ea47eSEdward Tomasz Napierala if (fd <= 0) 1729009ea47eSEdward Tomasz Napierala return (nfds); 1730009ea47eSEdward Tomasz Napierala 1731009ea47eSEdward Tomasz Napierala FD_SET(fd, fdset); 1732009ea47eSEdward Tomasz Napierala if (fd > nfds) 1733009ea47eSEdward Tomasz Napierala nfds = fd; 1734009ea47eSEdward Tomasz Napierala return (nfds); 1735009ea47eSEdward Tomasz Napierala } 1736009ea47eSEdward Tomasz Napierala 1737009ea47eSEdward Tomasz Napierala static void 1738009ea47eSEdward Tomasz Napierala main_loop(struct conf *conf, bool dont_fork) 1739009ea47eSEdward Tomasz Napierala { 1740009ea47eSEdward Tomasz Napierala struct portal_group *pg; 1741009ea47eSEdward Tomasz Napierala struct portal *portal; 17429a95cfffSEdward Tomasz Napierala struct sockaddr_storage client_sa; 17439a95cfffSEdward Tomasz Napierala socklen_t client_salen; 1744009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1745009ea47eSEdward Tomasz Napierala int connection_id; 17468cab2ed4SEdward Tomasz Napierala int portal_id; 1747ba3a2d31SEdward Tomasz Napierala #endif 1748009ea47eSEdward Tomasz Napierala fd_set fdset; 1749009ea47eSEdward Tomasz Napierala int error, nfds, client_fd; 1750009ea47eSEdward Tomasz Napierala 1751009ea47eSEdward Tomasz Napierala pidfile_write(conf->conf_pidfh); 1752009ea47eSEdward Tomasz Napierala 1753009ea47eSEdward Tomasz Napierala for (;;) { 1754009ea47eSEdward Tomasz Napierala if (sighup_received || sigterm_received) 1755009ea47eSEdward Tomasz Napierala return; 1756009ea47eSEdward Tomasz Napierala 1757009ea47eSEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1758ba3a2d31SEdward Tomasz Napierala if (proxy_mode) { 17598eab95d6SEdward Tomasz Napierala client_salen = sizeof(client_sa); 17608eab95d6SEdward Tomasz Napierala kernel_accept(&connection_id, &portal_id, 17618eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, &client_salen); 17620488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 1763009ea47eSEdward Tomasz Napierala 17648cab2ed4SEdward Tomasz Napierala log_debugx("incoming connection, id %d, portal id %d", 17658cab2ed4SEdward Tomasz Napierala connection_id, portal_id); 17668cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 17678cab2ed4SEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 17688cab2ed4SEdward Tomasz Napierala if (portal->p_id == portal_id) { 17698cab2ed4SEdward Tomasz Napierala goto found; 17708cab2ed4SEdward Tomasz Napierala } 17718cab2ed4SEdward Tomasz Napierala } 17728cab2ed4SEdward Tomasz Napierala } 1773009ea47eSEdward Tomasz Napierala 17748cab2ed4SEdward Tomasz Napierala log_errx(1, "kernel returned invalid portal_id %d", 17758cab2ed4SEdward Tomasz Napierala portal_id); 17768cab2ed4SEdward Tomasz Napierala 17778cab2ed4SEdward Tomasz Napierala found: 17788eab95d6SEdward Tomasz Napierala handle_connection(portal, connection_id, 1779073edb1cSAlexander Motin (struct sockaddr *)&client_sa, dont_fork); 1780ba3a2d31SEdward Tomasz Napierala } else { 1781ba3a2d31SEdward Tomasz Napierala #endif 1782ba3a2d31SEdward Tomasz Napierala assert(proxy_mode == false); 1783ba3a2d31SEdward Tomasz Napierala 1784009ea47eSEdward Tomasz Napierala FD_ZERO(&fdset); 1785009ea47eSEdward Tomasz Napierala nfds = 0; 1786009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1787009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) 1788009ea47eSEdward Tomasz Napierala nfds = fd_add(portal->p_socket, &fdset, nfds); 1789009ea47eSEdward Tomasz Napierala } 1790009ea47eSEdward Tomasz Napierala error = select(nfds + 1, &fdset, NULL, NULL, NULL); 1791009ea47eSEdward Tomasz Napierala if (error <= 0) { 1792009ea47eSEdward Tomasz Napierala if (errno == EINTR) 1793009ea47eSEdward Tomasz Napierala return; 1794009ea47eSEdward Tomasz Napierala log_err(1, "select"); 1795009ea47eSEdward Tomasz Napierala } 1796009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(pg, &conf->conf_portal_groups, pg_next) { 1797009ea47eSEdward Tomasz Napierala TAILQ_FOREACH(portal, &pg->pg_portals, p_next) { 1798009ea47eSEdward Tomasz Napierala if (!FD_ISSET(portal->p_socket, &fdset)) 1799009ea47eSEdward Tomasz Napierala continue; 18009a95cfffSEdward Tomasz Napierala client_salen = sizeof(client_sa); 18019a95cfffSEdward Tomasz Napierala client_fd = accept(portal->p_socket, 18029a95cfffSEdward Tomasz Napierala (struct sockaddr *)&client_sa, 18039a95cfffSEdward Tomasz Napierala &client_salen); 1804009ea47eSEdward Tomasz Napierala if (client_fd < 0) 1805009ea47eSEdward Tomasz Napierala log_err(1, "accept"); 18060488e848SEdward Tomasz Napierala assert(client_salen >= client_sa.ss_len); 18070488e848SEdward Tomasz Napierala 18089a95cfffSEdward Tomasz Napierala handle_connection(portal, client_fd, 18098eab95d6SEdward Tomasz Napierala (struct sockaddr *)&client_sa, 1810073edb1cSAlexander Motin dont_fork); 1811009ea47eSEdward Tomasz Napierala break; 1812009ea47eSEdward Tomasz Napierala } 1813009ea47eSEdward Tomasz Napierala } 1814ba3a2d31SEdward Tomasz Napierala #ifdef ICL_KERNEL_PROXY 1815ba3a2d31SEdward Tomasz Napierala } 1816ba3a2d31SEdward Tomasz Napierala #endif 1817009ea47eSEdward Tomasz Napierala } 1818009ea47eSEdward Tomasz Napierala } 1819009ea47eSEdward Tomasz Napierala 1820009ea47eSEdward Tomasz Napierala static void 1821009ea47eSEdward Tomasz Napierala sighup_handler(int dummy __unused) 1822009ea47eSEdward Tomasz Napierala { 1823009ea47eSEdward Tomasz Napierala 1824009ea47eSEdward Tomasz Napierala sighup_received = true; 1825009ea47eSEdward Tomasz Napierala } 1826009ea47eSEdward Tomasz Napierala 1827009ea47eSEdward Tomasz Napierala static void 1828009ea47eSEdward Tomasz Napierala sigterm_handler(int dummy __unused) 1829009ea47eSEdward Tomasz Napierala { 1830009ea47eSEdward Tomasz Napierala 1831009ea47eSEdward Tomasz Napierala sigterm_received = true; 1832009ea47eSEdward Tomasz Napierala } 1833009ea47eSEdward Tomasz Napierala 1834009ea47eSEdward Tomasz Napierala static void 183570b939ecSEdward Tomasz Napierala sigchld_handler(int dummy __unused) 183670b939ecSEdward Tomasz Napierala { 183770b939ecSEdward Tomasz Napierala 183870b939ecSEdward Tomasz Napierala /* 183970b939ecSEdward Tomasz Napierala * The only purpose of this handler is to make SIGCHLD 184070b939ecSEdward Tomasz Napierala * interrupt the ISCSIDWAIT ioctl(2), so we can call 184170b939ecSEdward Tomasz Napierala * wait_for_children(). 184270b939ecSEdward Tomasz Napierala */ 184370b939ecSEdward Tomasz Napierala } 184470b939ecSEdward Tomasz Napierala 184570b939ecSEdward Tomasz Napierala static void 1846009ea47eSEdward Tomasz Napierala register_signals(void) 1847009ea47eSEdward Tomasz Napierala { 1848009ea47eSEdward Tomasz Napierala struct sigaction sa; 1849009ea47eSEdward Tomasz Napierala int error; 1850009ea47eSEdward Tomasz Napierala 1851009ea47eSEdward Tomasz Napierala bzero(&sa, sizeof(sa)); 1852009ea47eSEdward Tomasz Napierala sa.sa_handler = sighup_handler; 1853009ea47eSEdward Tomasz Napierala sigfillset(&sa.sa_mask); 1854009ea47eSEdward Tomasz Napierala error = sigaction(SIGHUP, &sa, NULL); 1855009ea47eSEdward Tomasz Napierala if (error != 0) 1856009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1857009ea47eSEdward Tomasz Napierala 1858009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 1859009ea47eSEdward Tomasz Napierala error = sigaction(SIGTERM, &sa, NULL); 1860009ea47eSEdward Tomasz Napierala if (error != 0) 1861009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 1862009ea47eSEdward Tomasz Napierala 1863009ea47eSEdward Tomasz Napierala sa.sa_handler = sigterm_handler; 1864009ea47eSEdward Tomasz Napierala error = sigaction(SIGINT, &sa, NULL); 1865009ea47eSEdward Tomasz Napierala if (error != 0) 1866009ea47eSEdward Tomasz Napierala log_err(1, "sigaction"); 186770b939ecSEdward Tomasz Napierala 186870b939ecSEdward Tomasz Napierala sa.sa_handler = sigchld_handler; 186970b939ecSEdward Tomasz Napierala error = sigaction(SIGCHLD, &sa, NULL); 187070b939ecSEdward Tomasz Napierala if (error != 0) 187170b939ecSEdward Tomasz Napierala log_err(1, "sigaction"); 1872009ea47eSEdward Tomasz Napierala } 1873009ea47eSEdward Tomasz Napierala 1874009ea47eSEdward Tomasz Napierala int 1875009ea47eSEdward Tomasz Napierala main(int argc, char **argv) 1876009ea47eSEdward Tomasz Napierala { 1877009ea47eSEdward Tomasz Napierala struct conf *oldconf, *newconf, *tmpconf; 1878009ea47eSEdward Tomasz Napierala const char *config_path = DEFAULT_CONFIG_PATH; 1879009ea47eSEdward Tomasz Napierala int debug = 0, ch, error; 1880009ea47eSEdward Tomasz Napierala bool dont_daemonize = false; 1881009ea47eSEdward Tomasz Napierala 1882ba3a2d31SEdward Tomasz Napierala while ((ch = getopt(argc, argv, "df:R")) != -1) { 1883009ea47eSEdward Tomasz Napierala switch (ch) { 1884009ea47eSEdward Tomasz Napierala case 'd': 1885009ea47eSEdward Tomasz Napierala dont_daemonize = true; 1886009ea47eSEdward Tomasz Napierala debug++; 1887009ea47eSEdward Tomasz Napierala break; 1888009ea47eSEdward Tomasz Napierala case 'f': 1889009ea47eSEdward Tomasz Napierala config_path = optarg; 1890009ea47eSEdward Tomasz Napierala break; 1891ba3a2d31SEdward Tomasz Napierala case 'R': 1892ba3a2d31SEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 1893ba3a2d31SEdward Tomasz Napierala log_errx(1, "ctld(8) compiled without ICL_KERNEL_PROXY " 1894ba3a2d31SEdward Tomasz Napierala "does not support iSER protocol"); 1895ba3a2d31SEdward Tomasz Napierala #endif 1896ba3a2d31SEdward Tomasz Napierala proxy_mode = true; 1897ba3a2d31SEdward Tomasz Napierala break; 1898009ea47eSEdward Tomasz Napierala case '?': 1899009ea47eSEdward Tomasz Napierala default: 1900009ea47eSEdward Tomasz Napierala usage(); 1901009ea47eSEdward Tomasz Napierala } 1902009ea47eSEdward Tomasz Napierala } 1903009ea47eSEdward Tomasz Napierala argc -= optind; 1904009ea47eSEdward Tomasz Napierala if (argc != 0) 1905009ea47eSEdward Tomasz Napierala usage(); 1906009ea47eSEdward Tomasz Napierala 1907009ea47eSEdward Tomasz Napierala log_init(debug); 1908009ea47eSEdward Tomasz Napierala kernel_init(); 1909009ea47eSEdward Tomasz Napierala 1910009ea47eSEdward Tomasz Napierala oldconf = conf_new_from_kernel(); 1911009ea47eSEdward Tomasz Napierala newconf = conf_new_from_file(config_path); 1912009ea47eSEdward Tomasz Napierala if (newconf == NULL) 1913fe845cdbSEdward Tomasz Napierala log_errx(1, "configuration error; exiting"); 1914009ea47eSEdward Tomasz Napierala if (debug > 0) { 1915009ea47eSEdward Tomasz Napierala oldconf->conf_debug = debug; 1916009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 1917009ea47eSEdward Tomasz Napierala } 1918009ea47eSEdward Tomasz Napierala 1919009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 1920009ea47eSEdward Tomasz Napierala if (error != 0) 1921fe845cdbSEdward Tomasz Napierala log_errx(1, "failed to apply configuration; exiting"); 1922fe845cdbSEdward Tomasz Napierala 1923009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 1924009ea47eSEdward Tomasz Napierala oldconf = NULL; 1925009ea47eSEdward Tomasz Napierala 1926009ea47eSEdward Tomasz Napierala register_signals(); 1927009ea47eSEdward Tomasz Napierala 19285d5a95f1SEdward Tomasz Napierala if (dont_daemonize == false) { 19295d5a95f1SEdward Tomasz Napierala log_debugx("daemonizing"); 19305d5a95f1SEdward Tomasz Napierala if (daemon(0, 0) == -1) { 19315d5a95f1SEdward Tomasz Napierala log_warn("cannot daemonize"); 19325d5a95f1SEdward Tomasz Napierala pidfile_remove(newconf->conf_pidfh); 19335d5a95f1SEdward Tomasz Napierala exit(1); 19345d5a95f1SEdward Tomasz Napierala } 19355d5a95f1SEdward Tomasz Napierala } 19365d5a95f1SEdward Tomasz Napierala 1937009ea47eSEdward Tomasz Napierala for (;;) { 1938009ea47eSEdward Tomasz Napierala main_loop(newconf, dont_daemonize); 1939009ea47eSEdward Tomasz Napierala if (sighup_received) { 1940009ea47eSEdward Tomasz Napierala sighup_received = false; 1941009ea47eSEdward Tomasz Napierala log_debugx("received SIGHUP, reloading configuration"); 1942009ea47eSEdward Tomasz Napierala tmpconf = conf_new_from_file(config_path); 1943009ea47eSEdward Tomasz Napierala if (tmpconf == NULL) { 1944009ea47eSEdward Tomasz Napierala log_warnx("configuration error, " 1945009ea47eSEdward Tomasz Napierala "continuing with old configuration"); 1946009ea47eSEdward Tomasz Napierala } else { 1947009ea47eSEdward Tomasz Napierala if (debug > 0) 1948009ea47eSEdward Tomasz Napierala tmpconf->conf_debug = debug; 1949009ea47eSEdward Tomasz Napierala oldconf = newconf; 1950009ea47eSEdward Tomasz Napierala newconf = tmpconf; 1951009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 1952009ea47eSEdward Tomasz Napierala if (error != 0) 1953009ea47eSEdward Tomasz Napierala log_warnx("failed to reload " 1954009ea47eSEdward Tomasz Napierala "configuration"); 1955009ea47eSEdward Tomasz Napierala conf_delete(oldconf); 1956009ea47eSEdward Tomasz Napierala oldconf = NULL; 1957009ea47eSEdward Tomasz Napierala } 1958009ea47eSEdward Tomasz Napierala } else if (sigterm_received) { 1959009ea47eSEdward Tomasz Napierala log_debugx("exiting on signal; " 1960009ea47eSEdward Tomasz Napierala "reloading empty configuration"); 1961009ea47eSEdward Tomasz Napierala 1962009ea47eSEdward Tomasz Napierala log_debugx("disabling CTL iSCSI port " 1963009ea47eSEdward Tomasz Napierala "and terminating all connections"); 1964009ea47eSEdward Tomasz Napierala 1965009ea47eSEdward Tomasz Napierala oldconf = newconf; 1966009ea47eSEdward Tomasz Napierala newconf = conf_new(); 1967009ea47eSEdward Tomasz Napierala if (debug > 0) 1968009ea47eSEdward Tomasz Napierala newconf->conf_debug = debug; 1969009ea47eSEdward Tomasz Napierala error = conf_apply(oldconf, newconf); 1970009ea47eSEdward Tomasz Napierala if (error != 0) 1971009ea47eSEdward Tomasz Napierala log_warnx("failed to apply configuration"); 1972009ea47eSEdward Tomasz Napierala 1973009ea47eSEdward Tomasz Napierala log_warnx("exiting on signal"); 1974009ea47eSEdward Tomasz Napierala exit(0); 1975009ea47eSEdward Tomasz Napierala } else { 1976009ea47eSEdward Tomasz Napierala nchildren -= wait_for_children(false); 1977009ea47eSEdward Tomasz Napierala assert(nchildren >= 0); 1978009ea47eSEdward Tomasz Napierala } 1979009ea47eSEdward Tomasz Napierala } 1980009ea47eSEdward Tomasz Napierala /* NOTREACHED */ 1981009ea47eSEdward Tomasz Napierala } 1982