2 * command.c Command socket processing.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 * Copyright 2008 The FreeRADIUS server project
21 * Copyright 2008 Alan DeKok <aland@deployingradius.com>
24 #ifdef WITH_COMMAND_SOCKET
26 #include <freeradius-devel/modpriv.h>
27 #include <freeradius-devel/conffile.h>
28 #include <freeradius-devel/stats.h>
29 #include <freeradius-devel/realms.h>
35 #ifdef HAVE_SYS_STAT_H
47 typedef struct fr_command_table_t fr_command_table_t;
49 typedef int (*fr_command_func_t)(rad_listen_t *, int, char *argv[]);
54 struct fr_command_table_t {
56 int mode; /* read/write */
58 fr_command_func_t func;
59 fr_command_table_t *table;
62 #define COMMAND_BUFFER_SIZE (1024)
64 typedef struct fr_command_socket_t {
75 char buffer[COMMAND_BUFFER_SIZE];
76 } fr_command_socket_t;
78 static const CONF_PARSER command_config[] = {
79 { "socket", PW_TYPE_STRING_PTR,
80 offsetof(fr_command_socket_t, path), NULL, "${run_dir}/radiusd.sock"},
81 { "uid", PW_TYPE_STRING_PTR,
82 offsetof(fr_command_socket_t, uid_name), NULL, NULL},
83 { "gid", PW_TYPE_STRING_PTR,
84 offsetof(fr_command_socket_t, gid_name), NULL, NULL},
85 { "mode", PW_TYPE_STRING_PTR,
86 offsetof(fr_command_socket_t, mode_name), NULL, NULL},
88 { NULL, -1, 0, NULL, NULL } /* end the list */
91 static FR_NAME_NUMBER mode_names[] = {
93 { "read-only", FR_READ },
94 { "read-write", FR_READ | FR_WRITE },
95 { "rw", FR_READ | FR_WRITE },
100 static ssize_t cprintf(rad_listen_t *listener, const char *fmt, ...)
102 __attribute__ ((format (printf, 2, 3)))
106 #ifndef HAVE_GETPEEREID
107 static int getpeereid(int s, uid_t *euid, gid_t *egid)
113 socklen_t cl = sizeof(cr);
115 if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cr, &cl) < 0) {
122 #endif /* SO_PEERCRED */
124 #endif /* HAVE_GETPEEREID */
127 static int fr_server_domain_socket(const char *path)
132 struct sockaddr_un salocal;
136 if (len >= sizeof(salocal.sun_path)) {
137 radlog(L_ERR, "Path too long in socket filename.");
141 if ((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
142 radlog(L_ERR, "Failed creating socket: %s",
147 memset(&salocal, 0, sizeof(salocal));
148 salocal.sun_family = AF_UNIX;
149 memcpy(salocal.sun_path, path, len); /* not zero terminated */
151 socklen = sizeof(salocal.sun_family) + len;
156 if (stat(path, &buf) < 0) {
157 if (errno != ENOENT) {
158 radlog(L_ERR, "Failed to stat %s: %s",
159 path, strerror(errno));
164 * FIXME: Check the enclosing directory?
166 } else { /* it exists */
167 if (!S_ISREG(buf.st_mode)
169 && !S_ISSOCK(buf.st_mode)
172 radlog(L_ERR, "Cannot turn %s into socket", path);
177 * Refuse to open sockets not owned by us.
179 if (buf.st_uid != geteuid()) {
180 radlog(L_ERR, "We do not own %s", path);
184 if (unlink(path) < 0) {
185 radlog(L_ERR, "Failed to delete %s: %s",
186 path, strerror(errno));
191 if (bind(sockfd, (struct sockaddr *)&salocal, socklen) < 0) {
192 radlog(L_ERR, "Failed binding to %s: %s",
193 path, strerror(errno));
199 * FIXME: There's a race condition here. But Linux
200 * doesn't seem to permit fchmod on domain sockets.
202 if (chmod(path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) < 0) {
203 radlog(L_ERR, "Failed setting permissions on %s: %s",
204 path, strerror(errno));
209 if (listen(sockfd, 8) < 0) {
210 radlog(L_ERR, "Failed listening to %s: %s",
211 path, strerror(errno));
220 if ((flags = fcntl(sockfd, F_GETFL, NULL)) < 0) {
221 radlog(L_ERR, "Failure getting socket flags: %s",
228 if( fcntl(sockfd, F_SETFL, flags) < 0) {
229 radlog(L_ERR, "Failure setting socket flags: %s",
241 static ssize_t cprintf(rad_listen_t *listener, const char *fmt, ...)
248 len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
251 if (listener->status == RAD_LISTEN_STATUS_CLOSED) return 0;
253 len = write(listener->fd, buffer, len);
255 listener->status = RAD_LISTEN_STATUS_CLOSED;
256 event_new_fd(listener);
260 * FIXME: Keep writing until done?
265 static int command_hup(rad_listen_t *listener, int argc, char *argv[])
268 module_instance_t *mi;
271 radius_signal_self(RADIUS_SIGNAL_SELF_HUP);
275 cs = cf_section_find("modules");
278 mi = find_module_instance(cs, argv[0], 0);
280 cprintf(listener, "ERROR: No such module \"%s\"\n", argv[0]);
284 if ((mi->entry->module->type & RLM_TYPE_HUP_SAFE) == 0) {
285 cprintf(listener, "ERROR: Module %s cannot be hup'd\n",
290 if (!module_hup_module(mi->cs, mi, time(NULL))) {
291 cprintf(listener, "ERROR: Failed to reload module\n");
295 return 1; /* success */
298 static int command_terminate(UNUSED rad_listen_t *listener,
299 UNUSED int argc, UNUSED char *argv[])
301 radius_signal_self(RADIUS_SIGNAL_SELF_TERM);
303 return 1; /* success */
306 extern time_t fr_start_time;
308 static int command_uptime(rad_listen_t *listener,
309 UNUSED int argc, UNUSED char *argv[])
313 CTIME_R(&fr_start_time, buffer, sizeof(buffer));
314 cprintf(listener, "Up since %s", buffer); /* no \r\n */
316 return 1; /* success */
319 static const char *tabs = "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
322 * FIXME: Recurse && indent?
324 static void cprint_conf_parser(rad_listen_t *listener, int indent, CONF_SECTION *cs,
330 const char *name1 = cf_section_name1(cs);
331 const char *name2 = cf_section_name2(cs);
332 const CONF_PARSER *variables = cf_section_parse_table(cs);
336 cprintf(listener, "%.*s%s %s {\n", indent, tabs, name1, name2);
338 cprintf(listener, "%.*s%s {\n", indent, tabs, name1);
346 if (variables) for (i = 0; variables[i].name != NULL; i++) {
348 * No base struct offset, data must be the pointer.
349 * If data doesn't exist, ignore the entry, there
350 * must be something wrong.
353 if (!variables[i].data) {
357 data = variables[i].data;;
359 } else if (variables[i].data) {
360 data = variables[i].data;;
363 data = (((char *)base) + variables[i].offset);
366 switch (variables[i].type) {
368 cprintf(listener, "%.*s%s = ?\n", indent, tabs,
372 case PW_TYPE_INTEGER:
373 cprintf(listener, "%.*s%s = %u\n", indent, tabs,
374 variables[i].name, *(int *) data);
378 inet_ntop(AF_INET, data, buffer, sizeof(buffer));
381 case PW_TYPE_IPV6ADDR:
382 inet_ntop(AF_INET6, data, buffer, sizeof(buffer));
385 case PW_TYPE_BOOLEAN:
386 cprintf(listener, "%.*s%s = %s\n", indent, tabs,
388 ((*(int *) data) == 0) ? "no" : "yes");
391 case PW_TYPE_STRING_PTR:
392 case PW_TYPE_FILENAME:
394 * FIXME: Escape things in the string!
396 if (*(char **) data) {
397 cprintf(listener, "%.*s%s = \"%s\"\n", indent, tabs,
398 variables[i].name, *(char **) data);
400 cprintf(listener, "%.*s%s = \n", indent, tabs,
410 cprintf(listener, "%.*s}\n", indent, tabs);
413 static int command_show_module_config(rad_listen_t *listener, int argc, char *argv[])
416 module_instance_t *mi;
419 cprintf(listener, "ERROR: No module name was given\n");
423 cs = cf_section_find("modules");
426 mi = find_module_instance(cs, argv[0], 0);
428 cprintf(listener, "ERROR: No such module \"%s\"\n", argv[0]);
432 cprint_conf_parser(listener, 0, mi->cs, mi->insthandle);
434 return 1; /* success */
437 static const char *method_names[RLM_COMPONENT_COUNT] = {
449 static int command_show_module_methods(rad_listen_t *listener, int argc, char *argv[])
453 const module_instance_t *mi;
457 cprintf(listener, "ERROR: No module name was given\n");
461 cs = cf_section_find("modules");
464 mi = find_module_instance(cs, argv[0], 0);
466 cprintf(listener, "ERROR: No such module \"%s\"\n", argv[0]);
470 mod = mi->entry->module;
472 for (i = 0; i < RLM_COMPONENT_COUNT; i++) {
473 if (mod->methods[i]) cprintf(listener, "\t%s\n", method_names[i]);
476 return 1; /* success */
480 static int command_show_module_flags(rad_listen_t *listener, int argc, char *argv[])
483 const module_instance_t *mi;
487 cprintf(listener, "ERROR: No module name was given\n");
491 cs = cf_section_find("modules");
494 mi = find_module_instance(cs, argv[0], 0);
496 cprintf(listener, "ERROR: No such module \"%s\"\n", argv[0]);
500 mod = mi->entry->module;
502 if ((mod->type & RLM_TYPE_THREAD_SAFE) != 0)
503 cprintf(listener, "\tthread-safe\n");
506 if ((mod->type & RLM_TYPE_CHECK_CONFIG_SAFE) != 0)
507 cprintf(listener, "\twill-check-config\n");
510 if ((mod->type & RLM_TYPE_HUP_SAFE) != 0)
511 cprintf(listener, "\treload-on-hup\n");
513 return 1; /* success */
518 * Show all loaded modules
520 static int command_show_modules(rad_listen_t *listener, UNUSED int argc, UNUSED char *argv[])
522 CONF_SECTION *cs, *subcs;
524 cs = cf_section_find("modules");
528 while ((subcs = cf_subsection_find_next(cs, subcs, NULL)) != NULL) {
529 const char *name1 = cf_section_name1(subcs);
530 const char *name2 = cf_section_name2(subcs);
532 module_instance_t *mi;
535 mi = find_module_instance(cs, name2, 0);
538 cprintf(listener, "\t%s (%s)\n", name2, name1);
540 mi = find_module_instance(cs, name1, 0);
543 cprintf(listener, "\t%s\n", name1);
547 return 1; /* success */
550 static int command_show_home_servers(rad_listen_t *listener, UNUSED int argc, UNUSED char *argv[])
554 const char *type, *state;
558 for (i = 0; i < 256; i++) {
559 home = home_server_bynumber(i);
563 * Internal "virtual" home server.
565 if (home->ipaddr.af == AF_UNSPEC) continue;
567 if (home->type == HOME_TYPE_AUTH) {
570 } else if (home->type == HOME_TYPE_AUTH) {
575 if (home->state == HOME_STATE_ALIVE) {
578 } else if (home->state == HOME_STATE_ZOMBIE) {
581 } else if (home->state == HOME_STATE_IS_DEAD) {
586 cprintf(listener, "\t%s\t%d\t%s\t%s\t%d\n",
587 ip_ntoh(&home->ipaddr, buffer, sizeof(buffer)),
588 home->port, type, state,
589 home->currently_outstanding);
596 static int command_show_clients(rad_listen_t *listener, UNUSED int argc, UNUSED char *argv[])
602 for (i = 0; i < 256; i++) {
603 client = client_findbynumber(NULL, i);
606 ip_ntoh(&client->ipaddr, buffer, sizeof(buffer));
608 if (((client->ipaddr.af == AF_INET) &&
609 (client->prefix != 32)) ||
610 ((client->ipaddr.af == AF_INET6) &&
611 (client->prefix != 128))) {
612 cprintf(listener, "\t%s/%d\n", buffer, client->prefix);
614 cprintf(listener, "\t%s\n", buffer);
622 static int command_show_xml(rad_listen_t *listener, UNUSED int argc, UNUSED char *argv[])
625 FILE *fp = fdopen(dup(listener->fd), "a");
628 cprintf(listener, "ERROR: Can't dup %s\n", strerror(errno));
633 cprintf(listener, "ERROR: <reference> is required\n");
637 ci = cf_reference_item(mainconfig.config, mainconfig.config, argv[0]);
639 cprintf(listener, "ERROR: No such item <reference>\n");
643 if (cf_item_is_section(ci)) {
644 cf_section2xml(fp, cf_itemtosection(ci));
646 } else if (cf_item_is_pair(ci)) {
647 cf_pair2xml(fp, cf_itemtopair(ci));
650 cprintf(listener, "ERROR: No such item <reference>\n");
657 return 1; /* success */
660 static int command_debug_level(rad_listen_t *listener, int argc, char *argv[])
665 cprintf(listener, "ERROR: Must specify <number>\n");
669 number = atoi(argv[0]);
670 if ((number < 0) || (number > 4)) {
671 cprintf(listener, "ERROR: <number> must be between 0 and 4\n");
675 fr_debug_flag = debug_flag = number;
680 extern char *debug_log_file;
681 static int command_debug_file(rad_listen_t *listener, int argc, char *argv[])
684 cprintf(listener, "ERROR: Must specify <filename>\n");
688 if (debug_flag && mainconfig.radlog_dest == RADLOG_STDOUT) {
689 cprintf(listener, "ERROR: Cannot redirect debug logs to a file when already in debugging mode.\n");
693 if (debug_log_file) {
694 free(debug_log_file);
695 debug_log_file = NULL;
697 debug_log_file = strdup(argv[0]);
702 extern char *debug_condition;
703 static int command_debug_condition(UNUSED rad_listen_t *listener, int argc, char *argv[])
706 * Delete old condition.
708 * This is thread-safe because the condition is evaluated
709 * in the main server thread, as is this code.
711 free(debug_condition);
712 debug_condition = NULL;
721 debug_condition = strdup(argv[0]);
726 static int command_show_debug_condition(rad_listen_t *listener,
727 UNUSED int argc, UNUSED char *argv[])
729 if (!debug_condition) return 0;
731 cprintf(listener, "%s\n", debug_condition);
736 static int command_show_debug_file(rad_listen_t *listener,
737 UNUSED int argc, UNUSED char *argv[])
739 if (!debug_log_file) return 0;
741 cprintf(listener, "%s\n", debug_log_file);
746 static int command_show_debug_level(rad_listen_t *listener,
747 UNUSED int argc, UNUSED char *argv[])
749 cprintf(listener, "%d\n", debug_flag);
754 static RADCLIENT *get_client(rad_listen_t *listener, int argc, char *argv[])
760 cprintf(listener, "ERROR: Must specify <ipaddr>\n");
764 if (ip_hton(argv[0], AF_UNSPEC, &ipaddr) < 0) {
765 cprintf(listener, "ERROR: Failed parsing IP address; %s\n",
770 client = client_find(NULL, &ipaddr);
772 cprintf(listener, "ERROR: No such client\n");
780 static int command_show_client_config(rad_listen_t *listener, int argc, char *argv[])
785 client = get_client(listener, argc, argv);
790 if (!client->cs) return 1;
792 fp = fdopen(dup(listener->fd), "a");
794 cprintf(listener, "ERROR: Can't dup %s\n", strerror(errno));
798 cf_section2file(fp, client->cs);
804 static home_server *get_home_server(rad_listen_t *listener, int argc, char *argv[])
811 cprintf(listener, "ERROR: Must specify <ipaddr> <port>\n");
815 if (ip_hton(argv[0], AF_UNSPEC, &ipaddr) < 0) {
816 cprintf(listener, "ERROR: Failed parsing IP address; %s\n",
821 port = atoi(argv[1]);
823 home = home_server_find(&ipaddr, port);
825 cprintf(listener, "ERROR: No such home server\n");
832 static int command_show_home_server_config(rad_listen_t *listener, int argc, char *argv[])
837 home = get_home_server(listener, argc, argv);
842 if (!home->cs) return 1;
844 fp = fdopen(dup(listener->fd), "a");
846 cprintf(listener, "ERROR: Can't dup %s\n", strerror(errno));
850 cf_section2file(fp, home->cs);
856 extern void revive_home_server(void *ctx);
857 extern void mark_home_server_dead(home_server *home, struct timeval *when);
859 static int command_set_home_server_state(rad_listen_t *listener, int argc, char *argv[])
864 cprintf(listener, "ERROR: Must specify <ipaddr> <port> <state>\n");
868 home = get_home_server(listener, argc, argv);
873 if (strcmp(argv[2], "alive") == 0) {
874 revive_home_server(home);
876 } else if (strcmp(argv[2], "dead") == 0) {
879 gettimeofday(&now, NULL); /* we do this WAY too ofetn */
880 mark_home_server_dead(home, &now);
883 cprintf(listener, "ERROR: Unknown state \"%s\"\n", argv[2]);
890 static int command_show_home_server_state(rad_listen_t *listener, int argc, char *argv[])
894 home = get_home_server(listener, argc, argv);
899 switch (home->state) {
900 case HOME_STATE_ALIVE:
901 cprintf(listener, "alive\n");
904 case HOME_STATE_IS_DEAD:
905 cprintf(listener, "dead\n");
908 case HOME_STATE_ZOMBIE:
909 cprintf(listener, "zombie\n");
913 cprintf(listener, "unknown\n");
922 static fr_command_table_t command_table_debug[] = {
923 { "condition", FR_WRITE,
924 "debug condition <condition> - Enable debugging for requests matching <condition>",
925 command_debug_condition, NULL },
928 "debug level <number> - Set debug level to <number>. Higher is more debugging.",
929 command_debug_level, NULL },
932 "debug file <filename> - Send all debuggin output to <filename>",
933 command_debug_file, NULL },
935 { NULL, 0, NULL, NULL, NULL }
938 static fr_command_table_t command_table_show_debug[] = {
939 { "condition", FR_READ,
940 "show debug condition - Shows current debugging condition.",
941 command_show_debug_condition, NULL },
944 "show debug level - Shows current debugging level.",
945 command_show_debug_level, NULL },
948 "show debug file - Shows current debugging file.",
949 command_show_debug_file, NULL },
951 { NULL, 0, NULL, NULL, NULL }
954 static fr_command_table_t command_table_show_module[] = {
956 "show module config <module> - show configuration for given module",
957 command_show_module_config, NULL },
959 "show module flags <module> - show other module properties",
960 command_show_module_flags, NULL },
962 "show module list - shows list of loaded modules",
963 command_show_modules, NULL },
964 { "methods", FR_READ,
965 "show module methods <module> - show sections where <module> may be used",
966 command_show_module_methods, NULL },
968 { NULL, 0, NULL, NULL, NULL }
971 static fr_command_table_t command_table_show_client[] = {
973 "show client config <ipaddr> - show configuration for given client",
974 command_show_client_config, NULL },
976 "show client list - shows list of global clients",
977 command_show_clients, NULL },
979 { NULL, 0, NULL, NULL, NULL }
982 static fr_command_table_t command_table_show_home[] = {
984 "show home_server config <ipaddr> <port> - show configuration for given home server",
985 command_show_home_server_config, NULL },
987 "show home_server list - shows list of home servers",
988 command_show_home_servers, NULL },
990 "show home_server state <ipaddr> <port> - shows state of given home server",
991 command_show_home_server_state, NULL },
993 { NULL, 0, NULL, NULL, NULL }
997 static fr_command_table_t command_table_show[] = {
999 "show client <command> - do sub-command of client",
1000 NULL, command_table_show_client },
1002 "show debug <command> - show debug properties",
1003 NULL, command_table_show_debug },
1004 { "home_server", FR_READ,
1005 "show home_server <command> - do sub-command of home_server",
1006 NULL, command_table_show_home },
1007 { "module", FR_READ,
1008 "show module <command> - do sub-command of module",
1009 NULL, command_table_show_module },
1010 { "uptime", FR_READ,
1011 "show uptime - shows time at which server started",
1012 command_uptime, NULL },
1014 "show xml <reference> - Prints out configuration as XML",
1015 command_show_xml, NULL },
1016 { NULL, 0, NULL, NULL, NULL }
1020 static int command_set_module_config(rad_listen_t *listener, int argc, char *argv[])
1025 module_instance_t *mi;
1026 const CONF_PARSER *variables;
1030 cprintf(listener, "ERROR: No module name or variable was given\n");
1034 cs = cf_section_find("modules");
1037 mi = find_module_instance(cs, argv[0], 0);
1039 cprintf(listener, "ERROR: No such module \"%s\"\n", argv[0]);
1043 if ((mi->entry->module->type & RLM_TYPE_HUP_SAFE) == 0) {
1044 cprintf(listener, "ERROR: Cannot change configuration of module as it is cannot be HUP'd.\n");
1048 variables = cf_section_parse_table(mi->cs);
1050 cprintf(listener, "ERROR: Cannot find configuration for module\n");
1055 for (i = 0; variables[i].name != NULL; i++) {
1057 * FIXME: Recurse into sub-types somehow...
1059 if (variables[i].type == PW_TYPE_SUBSECTION) continue;
1061 if (strcmp(variables[i].name, argv[1]) == 0) {
1068 cprintf(listener, "ERROR: No such variable \"%s\"\n", argv[1]);
1072 i = rcode; /* just to be safe */
1075 * It's not part of the dynamic configuration. The module
1076 * needs to re-parse && validate things.
1078 if (variables[i].data) {
1079 cprintf(listener, "ERROR: Variable cannot be dynamically updated\n");
1083 data = ((char *) mi->insthandle) + variables[i].offset;
1085 cp = cf_pair_find(mi->cs, argv[1]);
1089 * Replace the OLD value in the configuration file with
1092 * FIXME: Parse argv[2] depending on it's data type!
1093 * If it's a string, look for leading single/double quotes,
1094 * end then call tokenize functions???
1096 cf_pair_replace(mi->cs, cp, argv[2]);
1098 rcode = cf_item_parse(mi->cs, argv[1], variables[i].type,
1101 cprintf(listener, "ERROR: Failed to parse value\n");
1105 return 1; /* success */
1108 static int command_print_stats(rad_listen_t *listener, fr_stats_t *stats,
1111 cprintf(listener, "\trequests\t%d\n", stats->total_requests);
1112 cprintf(listener, "\tresponses\t%d\n", stats->total_responses);
1115 cprintf(listener, "\taccepts\t\t%d\n",
1116 stats->total_access_accepts);
1117 cprintf(listener, "\trejects\t\t%d\n",
1118 stats->total_access_rejects);
1119 cprintf(listener, "\tchallenges\t%d\n",
1120 stats->total_access_challenges);
1123 cprintf(listener, "\tdup\t\t%d\n", stats->total_dup_requests);
1124 cprintf(listener, "\tinvalid\t\t%d\n", stats->total_invalid_requests);
1125 cprintf(listener, "\tmalformed\t%d\n", stats->total_malformed_requests);
1126 cprintf(listener, "\tbad_signature\t%d\n", stats->total_bad_authenticators);
1127 cprintf(listener, "\tdropped\t\t%d\n", stats->total_packets_dropped);
1128 cprintf(listener, "\tunknown_types\t%d\n", stats->total_unknown_types);
1134 static int command_stats_home_server(rad_listen_t *listener, int argc, char *argv[])
1138 home = get_home_server(listener, argc, argv);
1143 command_print_stats(listener, &home->stats,
1144 (home->type == HOME_TYPE_AUTH));
1145 cprintf(listener, "\toutstanding\t%d\n", home->currently_outstanding);
1150 static int command_stats_client(rad_listen_t *listener, int argc, char *argv[])
1156 cprintf(listener, "ERROR: Must specify [auth/acct]\n");
1160 if (strcmp(argv[0], "auth") == 0) {
1163 } else if (strcmp(argv[0], "acct") == 0) {
1164 #ifdef WITH_ACCOUNTING
1167 cprintf(listener, "ERROR: This server was built without accounting support.\n");
1172 cprintf(listener, "ERROR: Unknown statistics type\n");
1177 * Global results for all client.
1180 #ifdef WITH_ACCOUNTING
1182 return command_print_stats(listener,
1183 &radius_acct_stats, auth);
1186 return command_print_stats(listener, &radius_auth_stats, auth);
1189 client = get_client(listener, argc - 1, argv + 1);
1194 #ifdef WITH_ACCOUNTING
1196 return command_print_stats(listener, client->acct, auth);
1200 return command_print_stats(listener, client->auth, auth);
1204 static int command_add_client_file(rad_listen_t *listener, int argc, char *argv[])
1209 cprintf(listener, "ERROR: <file> is required\n");
1214 * Read the file and generate the client.
1216 c = client_read(argv[0], FALSE, FALSE);
1218 cprintf(listener, "ERROR: Unknown error reading client file.\n");
1222 if (!client_add(NULL, c)) {
1223 cprintf(listener, "ERROR: Unknown error inserting new client.\n");
1232 static fr_command_table_t command_table_add_client[] = {
1234 "add client file <filename> - Add new client definition from <filename>",
1235 command_add_client_file, NULL },
1237 { NULL, 0, NULL, NULL, NULL }
1241 static fr_command_table_t command_table_add[] = {
1242 { "client", FR_WRITE,
1243 "add client <command> - Add client configuration commands",
1244 NULL, command_table_add_client },
1246 { NULL, 0, NULL, NULL, NULL }
1250 static fr_command_table_t command_table_set_home[] = {
1251 { "state", FR_WRITE,
1252 "set home_server state <ipaddr> <port> [alive|dead] - set state for given home server",
1253 command_set_home_server_state, NULL },
1255 { NULL, 0, NULL, NULL, NULL }
1258 static fr_command_table_t command_table_set_module[] = {
1259 { "config", FR_WRITE,
1260 "set module config <module> variable value - set configuration for <module>",
1261 command_set_module_config, NULL },
1263 { NULL, 0, NULL, NULL, NULL }
1267 static fr_command_table_t command_table_set[] = {
1268 { "module", FR_WRITE,
1269 "set module <command> - set module commands",
1270 NULL, command_table_set_module },
1271 { "home_server", FR_WRITE,
1272 "set home_server <command> - set home server commands",
1273 NULL, command_table_set_home },
1275 { NULL, 0, NULL, NULL, NULL }
1279 static fr_command_table_t command_table_stats[] = {
1280 { "client", FR_READ,
1281 "stats client [auth/acct] <ipaddr> - show statistics for client",
1282 command_stats_client, NULL },
1283 { "home_server", FR_READ,
1284 "stats home_server <ipaddr> <port> - show statistics for home server",
1285 command_stats_home_server, NULL },
1287 { NULL, 0, NULL, NULL, NULL }
1290 static fr_command_table_t command_table[] = {
1292 "add <command> - add configuration commands",
1293 NULL, command_table_add },
1294 { "debug", FR_WRITE,
1295 "debug <command> - debugging commands",
1296 NULL, command_table_debug },
1298 "hup [module] - sends a HUP signal to the server, or optionally to one module",
1299 command_hup, NULL },
1300 { "reconnect", FR_READ,
1301 "reconnect - reconnect to a running server",
1302 NULL, NULL }, /* just here for "help" */
1303 { "terminate", FR_WRITE,
1304 "terminate - terminates the server, and causes it to exit",
1305 command_terminate, NULL },
1306 { "set", FR_WRITE, NULL, NULL, command_table_set },
1307 { "show", FR_READ, NULL, NULL, command_table_show },
1308 { "stats", FR_READ, NULL, NULL, command_table_stats },
1310 { NULL, 0, NULL, NULL, NULL }
1315 * Parse the unix domain sockets.
1317 * FIXME: TCP + SSL, after RadSec is in.
1319 static int command_socket_parse(CONF_SECTION *cs, rad_listen_t *this)
1321 fr_command_socket_t *sock;
1325 if (cf_section_parse(cs, sock, command_config) < 0) {
1329 #if defined(HAVE_GETPEEREID) || defined (SO_PEERCRED)
1330 if (sock->uid_name) {
1333 pw = getpwnam(sock->uid_name);
1335 radlog(L_ERR, "Failed getting uid for %s: %s",
1336 sock->uid_name, strerror(errno));
1340 sock->uid = pw->pw_uid;
1343 if (sock->gid_name) {
1346 gr = getgrnam(sock->gid_name);
1348 radlog(L_ERR, "Failed getting gid for %s: %s",
1349 sock->gid_name, strerror(errno));
1352 sock->gid = gr->gr_gid;
1355 #else /* can't get uid or gid of connecting user */
1357 if (sock->uid_name || sock->gid_name) {
1358 radlog(L_ERR, "System does not support uid or gid authentication for sockets");
1364 if (!sock->mode_name) {
1365 sock->mode = FR_READ;
1367 sock->mode = fr_str2int(mode_names, sock->mode_name, 0);
1369 radlog(L_ERR, "Invalid mode name \"%s\"",
1376 * FIXME: check for absolute pathnames?
1377 * check for uid/gid on the other end...
1380 this->fd = fr_server_domain_socket(sock->path);
1388 static int command_socket_print(rad_listen_t *this, char *buffer, size_t bufsize)
1390 fr_command_socket_t *sock = this->data;
1392 snprintf(buffer, bufsize, "command file %s", sock->path);
1398 * String split routine. Splits an input string IN PLACE
1399 * into pieces, based on spaces.
1401 static int str2argv(char *str, char **argv, int max_argc)
1408 if (argc >= max_argc) return argc;
1411 * Chop out comments early.
1418 while ((*str == ' ') ||
1421 (*str == '\n')) *(str++) = '\0';
1423 if (!*str) return argc;
1425 if ((*str == '\'') || (*str == '"')) {
1429 token = gettoken((const char **) &p, buffer,
1431 if ((token != T_SINGLE_QUOTED_STRING) &&
1432 (token != T_DOUBLE_QUOTED_STRING)) {
1436 len = strlen(buffer);
1437 if (len >= (size_t) (p - str)) {
1441 memcpy(str, buffer, len + 1);
1454 (*str != '\n')) str++;
1460 #define MAX_ARGV (16)
1463 * Check if an incoming request is "ok"
1465 * It takes packets, not requests. It sees if the packet looks
1466 * OK. If so, it does a number of sanity checks on it.
1468 static int command_domain_recv(rad_listen_t *listener,
1469 UNUSED RAD_REQUEST_FUNP *pfun,
1470 UNUSED REQUEST **prequest)
1475 char *my_argv[MAX_ARGV], **argv;
1476 fr_command_table_t *table;
1477 fr_command_socket_t *co = listener->data;
1486 len = recv(listener->fd, co->buffer + co->offset,
1487 sizeof(co->buffer) - co->offset - 1, 0);
1488 if (len == 0) goto close_socket; /* clean close */
1491 if ((errno == EAGAIN) || (errno == EINTR)) {
1500 if ((co->offset == 0) && (co->buffer[0] == 0x04)) {
1502 listener->status = RAD_LISTEN_STATUS_CLOSED;
1503 event_new_fd(listener);
1508 * See if there are multiple lines in the buffer.
1510 p = co->buffer + co->offset;
1513 for (c = 0; c < len; c++) {
1514 if ((*p == '\r') || (*p == '\n')) {
1519 * FIXME: do real buffering...
1520 * handling of CTRL-C, etc.
1525 * \r \n followed by ASCII...
1536 * Saw CR/LF. Set next element, and exit.
1539 co->next = p - co->buffer;
1543 if (co->offset >= (ssize_t) (sizeof(co->buffer) - 1)) {
1544 radlog(L_ERR, "Line too long!");
1551 argc = str2argv(co->buffer, my_argv, MAX_ARGV);
1552 if (argc == 0) goto do_next; /* empty strings are OK */
1555 cprintf(listener, "ERROR: Failed parsing command.\n");
1561 for (len = 0; len <= co->offset; len++) {
1562 if (co->buffer[len] < 0x20) {
1563 co->buffer[len] = '\0';
1569 * Hard-code exit && quit.
1571 if ((strcmp(argv[0], "exit") == 0) ||
1572 (strcmp(argv[0], "quit") == 0)) goto close_socket;
1576 if (strcmp(argv[0], "login") != 0) {
1577 cprintf(listener, "ERROR: Login required\n");
1582 cprintf(listener, "ERROR: login <user> <password>\n");
1587 * FIXME: Generate && process fake RADIUS request.
1589 if ((strcmp(argv[1], "root") == 0) &&
1590 (strcmp(argv[2], "password") == 0)) {
1591 strlcpy(co->user, argv[1], sizeof(co->user));
1595 cprintf(listener, "ERROR: Login incorrect\n");
1600 table = command_table;
1603 for (i = 0; table[i].command != NULL; i++) {
1604 if (strcmp(table[i].command, argv[0]) == 0) {
1606 * Check permissions.
1608 if (((co->mode & FR_WRITE) == 0) &&
1609 ((table[i].mode & FR_WRITE) != 0)) {
1610 cprintf(listener, "ERROR: You do not have write permission.\n");
1614 if (table[i].table) {
1616 * This is the last argument, but
1617 * there's a sub-table. Print help.
1621 table = table[i].table;
1627 table = table[i].table;
1631 if (!table[i].func) {
1632 cprintf(listener, "ERROR: Invalid command\n");
1637 rcode = table[i].func(listener,
1638 argc - 1, argv + 1);
1647 if ((strcmp(argv[0], "help") == 0) ||
1648 (strcmp(argv[0], "?") == 0)) {
1650 for (i = 0; table[i].command != NULL; i++) {
1651 if (table[i].help) {
1652 cprintf(listener, "%s\n",
1655 cprintf(listener, "%s <command> - do sub-command of %s\n",
1656 table[i].command, table[i].command);
1662 cprintf(listener, "ERROR: Unknown command \"%s\"\r\n",
1667 cprintf(listener, "radmin> ");
1669 if (co->next <= co->offset) {
1672 memmove(co->buffer, co->buffer + co->next,
1673 co->offset - co->next);
1674 co->offset -= co->next;
1681 static int command_domain_accept(rad_listen_t *listener,
1682 UNUSED RAD_REQUEST_FUNP *pfun,
1683 UNUSED REQUEST **prequest)
1689 struct sockaddr_storage src;
1690 fr_command_socket_t *sock = listener->data;
1692 salen = sizeof(src);
1694 DEBUG2(" ... new connection request on command socket.");
1696 newfd = accept(listener->fd, (struct sockaddr *) &src, &salen);
1699 * Non-blocking sockets must handle this.
1701 if (errno == EWOULDBLOCK) {
1705 DEBUG2(" ... failed to accept connection.");
1710 * Perform user authentication.
1712 if (sock->uid_name || sock->gid_name) {
1716 if (getpeereid(listener->fd, &uid, &gid) < 0) {
1717 radlog(L_ERR, "Failed getting peer credentials for %s: %s",
1718 sock->path, strerror(errno));
1723 if (sock->uid_name && (sock->uid != uid)) {
1724 radlog(L_ERR, "Unauthorized connection to %s from uid %ld",
1725 sock->path, (long int) uid);
1730 if (sock->gid_name && (sock->gid != gid)) {
1731 radlog(L_ERR, "Unauthorized connection to %s from gid %ld",
1732 sock->path, (long int) gid);
1739 * Write 32-bit magic number && version information.
1741 magic = htonl(0xf7eead15);
1742 if (write(newfd, &magic, 4) < 0) {
1743 radlog(L_ERR, "Failed writing initial data to socket: %s",
1748 magic = htonl(1); /* protocol version */
1749 if (write(newfd, &magic, 4) < 0) {
1750 radlog(L_ERR, "Failed writing initial data to socket: %s",
1758 * Add the new listener.
1760 this = listen_alloc(listener->type);
1761 if (!this) return -1;
1764 * Copy everything, including the pointer to the socket
1768 memcpy(this, listener, sizeof(*this));
1769 this->status = RAD_LISTEN_STATUS_INIT;
1771 this->data = sock; /* fix it back */
1774 sock->user[0] = '\0';
1775 sock->path = ((fr_command_socket_t *) listener->data)->path;
1776 sock->mode = ((fr_command_socket_t *) listener->data)->mode;
1779 this->recv = command_domain_recv;
1782 * Tell the event loop that we have a new FD
1791 * Send an authentication response packet
1793 static int command_domain_send(UNUSED rad_listen_t *listener,
1794 UNUSED REQUEST *request)
1800 static int command_socket_encode(UNUSED rad_listen_t *listener,
1801 UNUSED REQUEST *request)
1807 static int command_socket_decode(UNUSED rad_listen_t *listener,
1808 UNUSED REQUEST *request)
1813 #endif /* WITH_COMMAND_SOCKET */