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manager.c

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00001 /*
00002  * Asterisk -- A telephony toolkit for Linux.
00003  *
00004  * Channel Management and more
00005  * 
00006  * Copyright (C) 1999-2004, Digium, Inc.
00007  *
00008  * Mark Spencer <markster@digium.com>
00009  *
00010  * This program is free software, distributed under the terms of
00011  * the GNU General Public License
00012  */
00013 
00014 #include <stdio.h>
00015 #include <stdlib.h>
00016 #include <string.h>
00017 #include <sys/time.h>
00018 #include <sys/types.h>
00019 #include <netdb.h>
00020 #include <sys/socket.h>
00021 #include <netinet/in.h>
00022 #include <netinet/tcp.h>
00023 #include <arpa/inet.h>
00024 #include <signal.h>
00025 #include <errno.h>
00026 #include <unistd.h>
00027 #include <sys/poll.h>
00028 #include <asterisk/channel.h>
00029 #include <asterisk/file.h>
00030 #include <asterisk/manager.h>
00031 #include <asterisk/config.h>
00032 #include <asterisk/lock.h>
00033 #include <asterisk/logger.h>
00034 #include <asterisk/options.h>
00035 #include <asterisk/cli.h>
00036 #include <asterisk/app.h>
00037 #include <asterisk/pbx.h>
00038 #include <asterisk/md5.h>
00039 #include <asterisk/acl.h>
00040 #include <asterisk/utils.h>
00041 
00042 struct fast_originate_helper
00043 {
00044    char tech[256];
00045    char data[256];
00046    int timeout;
00047    char app[256];
00048    char appdata[256];
00049    char callerid[256];
00050    char variable[256];
00051    char account[256];
00052    char context[256];
00053    char exten[256];
00054    char idtext[256];
00055    int priority;
00056 };
00057 
00058 static int enabled = 0;
00059 static int portno = DEFAULT_MANAGER_PORT;
00060 static int asock = -1;
00061 static pthread_t t;
00062 AST_MUTEX_DEFINE_STATIC(sessionlock);
00063 static int block_sockets = 0;
00064 
00065 static struct permalias {
00066    int num;
00067    char *label;
00068 } perms[] = {
00069    { EVENT_FLAG_SYSTEM, "system" },
00070    { EVENT_FLAG_CALL, "call" },
00071    { EVENT_FLAG_LOG, "log" },
00072    { EVENT_FLAG_VERBOSE, "verbose" },
00073    { EVENT_FLAG_COMMAND, "command" },
00074    { EVENT_FLAG_AGENT, "agent" },
00075    { EVENT_FLAG_USER, "user" },
00076    { -1, "all" },
00077 };
00078 
00079 static struct mansession *sessions = NULL;
00080 static struct manager_action *first_action = NULL;
00081 AST_MUTEX_DEFINE_STATIC(actionlock);
00082 
00083 int ast_carefulwrite(int fd, char *s, int len, int timeoutms) 
00084 {
00085    /* Try to write string, but wait no more than ms milliseconds
00086       before timing out */
00087    int res=0;
00088    struct pollfd fds[1];
00089    while(len) {
00090       res = write(fd, s, len);
00091       if ((res < 0) && (errno != EAGAIN)) {
00092          return -1;
00093       }
00094       if (res < 0) res = 0;
00095       len -= res;
00096       s += res;
00097       fds[0].fd = fd;
00098       fds[0].events = POLLOUT;
00099       /* Wait until writable again */
00100       res = poll(fds, 1, timeoutms);
00101       if (res < 1)
00102          return -1;
00103    }
00104    return res;
00105 }
00106 
00107 static char *authority_to_str(int authority, char *res, int reslen)
00108 {
00109    int running_total = 0, i;
00110    memset(res, 0, reslen);
00111    for (i=0; i<sizeof(perms) / sizeof(perms[0]) - 1; i++) {
00112       if (authority & perms[i].num) {
00113          if (*res) {
00114             strncat(res, ",", (reslen > running_total) ? reslen - running_total : 0);
00115             running_total++;
00116          }
00117          strncat(res, perms[i].label, (reslen > running_total) ? reslen - running_total : 0);
00118          running_total += strlen(perms[i].label);
00119       }
00120    }
00121    return res;
00122 }
00123 
00124 static char *complete_show_mancmd(char *line, char *word, int pos, int state)
00125 {
00126    struct manager_action *cur = first_action;
00127    int which = 0;
00128 
00129    ast_mutex_lock(&actionlock);
00130    while (cur) { /* Walk the list of actions */
00131       if (!strncasecmp(word, cur->action, strlen(word))) {
00132          if (++which > state) {
00133             char *ret = strdup(cur->action);
00134             ast_mutex_unlock(&actionlock);
00135             return ret;
00136          }
00137       }
00138       cur = cur->next;
00139    }
00140    ast_mutex_unlock(&actionlock);
00141    return NULL;
00142 }
00143 
00144 static int handle_showmancmd(int fd, int argc, char *argv[])
00145 {
00146    struct manager_action *cur = first_action;
00147    char authority[80];
00148    int num;
00149 
00150    if (argc != 4)
00151       return RESULT_SHOWUSAGE;
00152    ast_mutex_lock(&actionlock);
00153    while (cur) { /* Walk the list of actions */
00154       for (num = 3; num < argc; num++) {
00155          if (!strcasecmp(cur->action, argv[num])) {
00156             ast_cli(fd, "Action: %s\nSynopsis: %s\nPrivilege: %s\n%s\n", cur->action, cur->synopsis, authority_to_str(cur->authority, authority, sizeof(authority) -1), cur->description ? cur->description : "");
00157          }
00158       }
00159       cur = cur->next;
00160    }
00161 
00162    ast_mutex_unlock(&actionlock);
00163    return RESULT_SUCCESS;
00164 }
00165 
00166 static int handle_showmancmds(int fd, int argc, char *argv[])
00167 {
00168    struct manager_action *cur = first_action;
00169    char authority[80];
00170    char *format = "  %-15.15s  %-10.10s  %-45.45s\n";
00171 
00172    ast_mutex_lock(&actionlock);
00173    ast_cli(fd, format, "Action", "Privilege", "Synopsis");
00174    while (cur) { /* Walk the list of actions */
00175       ast_cli(fd, format, cur->action, authority_to_str(cur->authority, authority, sizeof(authority) -1), cur->synopsis);
00176       cur = cur->next;
00177    }
00178 
00179    ast_mutex_unlock(&actionlock);
00180    return RESULT_SUCCESS;
00181 }
00182 
00183 static int handle_showmanconn(int fd, int argc, char *argv[])
00184 {
00185    struct mansession *s;
00186    char iabuf[INET_ADDRSTRLEN];
00187    char *format = "  %-15.15s  %-15.15s\n";
00188    ast_mutex_lock(&sessionlock);
00189    s = sessions;
00190    ast_cli(fd, format, "Username", "IP Address");
00191    while (s) {
00192       ast_cli(fd, format,s->username, ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
00193       s = s->next;
00194    }
00195 
00196    ast_mutex_unlock(&sessionlock);
00197    return RESULT_SUCCESS;
00198 }
00199 
00200 static char showmancmd_help[] = 
00201 "Usage: show manager command <actionname>\n"
00202 "  Shows the detailed description for a specific manager command.\n";
00203 
00204 static char showmancmds_help[] = 
00205 "Usage: show manager commands\n"
00206 "  Prints a listing of all the available manager commands.\n";
00207 
00208 static char showmanconn_help[] = 
00209 "Usage: show manager connected\n"
00210 "  Prints a listing of the users that are connected to the\n"
00211 "manager interface.\n";
00212 
00213 static struct ast_cli_entry show_mancmd_cli =
00214    { { "show", "manager", "command", NULL },
00215    handle_showmancmd, "Show manager command", showmancmd_help, complete_show_mancmd };
00216 
00217 static struct ast_cli_entry show_mancmds_cli =
00218    { { "show", "manager", "commands", NULL },
00219    handle_showmancmds, "Show manager commands", showmancmds_help };
00220 
00221 static struct ast_cli_entry show_manconn_cli =
00222    { { "show", "manager", "connected", NULL },
00223    handle_showmanconn, "Show connected manager users", showmanconn_help };
00224 
00225 static void destroy_session(struct mansession *s)
00226 {
00227    struct mansession *cur, *prev = NULL;
00228    ast_mutex_lock(&sessionlock);
00229    cur = sessions;
00230    while(cur) {
00231       if (cur == s)
00232          break;
00233       prev = cur;
00234       cur = cur->next;
00235    }
00236    if (cur) {
00237       if (prev)
00238          prev->next = cur->next;
00239       else
00240          sessions = cur->next;
00241       if (s->fd > -1)
00242          close(s->fd);
00243       ast_mutex_destroy(&s->lock);
00244       free(s);
00245    } else
00246       ast_log(LOG_WARNING, "Trying to delete non-existant session %p?\n", s);
00247    ast_mutex_unlock(&sessionlock);
00248    
00249 }
00250 
00251 char *astman_get_header(struct message *m, char *var)
00252 {
00253    char cmp[80];
00254    int x;
00255    snprintf(cmp, sizeof(cmp), "%s: ", var);
00256    for (x=0;x<m->hdrcount;x++)
00257       if (!strncasecmp(cmp, m->headers[x], strlen(cmp)))
00258          return m->headers[x] + strlen(cmp);
00259    return "";
00260 }
00261 
00262 void astman_send_error(struct mansession *s, struct message *m, char *error)
00263 {
00264    char *id = astman_get_header(m,"ActionID");
00265    ast_mutex_lock(&s->lock);
00266    ast_cli(s->fd, "Response: Error\r\n");
00267    if (id && !ast_strlen_zero(id))
00268       ast_cli(s->fd, "ActionID: %s\r\n",id);
00269    ast_cli(s->fd, "Message: %s\r\n\r\n", error);
00270    ast_mutex_unlock(&s->lock);
00271 }
00272 
00273 void astman_send_response(struct mansession *s, struct message *m, char *resp, char *msg)
00274 {
00275    char *id = astman_get_header(m,"ActionID");
00276    ast_mutex_lock(&s->lock);
00277    ast_cli(s->fd, "Response: %s\r\n", resp);
00278    if (id && !ast_strlen_zero(id))
00279       ast_cli(s->fd, "ActionID: %s\r\n",id);
00280    if (msg)
00281       ast_cli(s->fd, "Message: %s\r\n\r\n", msg);
00282    else
00283       ast_cli(s->fd, "\r\n");
00284    ast_mutex_unlock(&s->lock);
00285 }
00286 
00287 void astman_send_ack(struct mansession *s, struct message *m, char *msg)
00288 {
00289    astman_send_response(s, m, "Success", msg);
00290 }
00291 
00292 /* Tells you if smallstr exists inside bigstr
00293    which is delim by delim and uses no buf or stringsep
00294    ast_instring("this|that|more","this",',') == 1;
00295 
00296    feel free to move this to app.c -anthm */
00297 static int ast_instring(char *bigstr, char *smallstr, char delim) 
00298 {
00299    char *val = bigstr, *next;
00300 
00301    do {
00302       if ((next = strchr(val, delim))) {
00303          if (!strncmp(val, smallstr, (next - val)))
00304             return 1;
00305          else
00306             continue;
00307       } else
00308          return !strcmp(smallstr, val);
00309 
00310    } while (*(val = (next + 1)));
00311 
00312    return 0;
00313 }
00314 
00315 static int get_perm(char *instr)
00316 {
00317    int x = 0, ret = 0;
00318 
00319    if (!instr)
00320       return 0;
00321 
00322    for (x=0; x<sizeof(perms) / sizeof(perms[0]); x++)
00323       if (ast_instring(instr, perms[x].label, ','))
00324          ret |= perms[x].num;
00325    
00326    return ret;
00327 }
00328 
00329 static int ast_is_number(char *string) 
00330 {
00331    int ret = 1, x = 0;
00332 
00333    if (!string)
00334       return 0;
00335 
00336    for (x=0; x < strlen(string); x++) {
00337       if (!(string[x] >= 48 && string[x] <= 57)) {
00338          ret = 0;
00339          break;
00340       }
00341    }
00342    
00343    return ret ? atoi(string) : 0;
00344 }
00345 
00346 static int ast_strings_to_mask(char *string) 
00347 {
00348    int x = 0, ret = -1;
00349    
00350    x = ast_is_number(string);
00351 
00352    if (x) 
00353       ret = x;
00354    else if (!string || ast_strlen_zero(string))
00355       ret = -1;
00356    else if (!strcasecmp(string, "off") || ast_false(string))
00357       ret = 0;
00358    else if (!strcasecmp(string, "on") || ast_true(string))
00359       ret = -1;
00360    else {
00361       ret = 0;
00362       for (x=0; x<sizeof(perms) / sizeof(perms[0]); x++) {
00363          if (ast_instring(string, perms[x].label, ',')) 
00364             ret |= perms[x].num;    
00365       }
00366    }
00367 
00368    return ret;
00369 }
00370 
00371 /* 
00372    Rather than braindead on,off this now can also accept a specific int mask value 
00373    or a ',' delim list of mask strings (the same as manager.conf) -anthm
00374 */
00375 
00376 static int set_eventmask(struct mansession *s, char *eventmask)
00377 {
00378    int maskint = ast_strings_to_mask(eventmask);
00379 
00380    ast_mutex_lock(&s->lock);
00381    s->send_events = maskint;
00382    ast_mutex_unlock(&s->lock);
00383    
00384    return s->send_events;
00385 }
00386 
00387 static int authenticate(struct mansession *s, struct message *m)
00388 {
00389    struct ast_config *cfg;
00390    char iabuf[INET_ADDRSTRLEN];
00391    char *cat;
00392    char *user = astman_get_header(m, "Username");
00393    char *pass = astman_get_header(m, "Secret");
00394    char *authtype = astman_get_header(m, "AuthType");
00395    char *key = astman_get_header(m, "Key");
00396    char *events = astman_get_header(m, "Events");
00397    
00398    cfg = ast_load("manager.conf");
00399    if (!cfg)
00400       return -1;
00401    cat = ast_category_browse(cfg, NULL);
00402    while(cat) {
00403       if (strcasecmp(cat, "general")) {
00404          /* This is a user */
00405          if (!strcasecmp(cat, user)) {
00406             struct ast_variable *v;
00407             struct ast_ha *ha = NULL;
00408             char *password = NULL;
00409             v = ast_variable_browse(cfg, cat);
00410             while (v) {
00411                if (!strcasecmp(v->name, "secret")) {
00412                   password = v->value;
00413                } else if (!strcasecmp(v->name, "permit") ||
00414                      !strcasecmp(v->name, "deny")) {
00415                      ha = ast_append_ha(v->name, v->value, ha);
00416                }                 
00417                v = v->next;
00418             }
00419             if (ha && !ast_apply_ha(ha, &(s->sin))) {
00420                ast_log(LOG_NOTICE, "%s failed to pass IP ACL as '%s'\n", ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr), user);
00421                ast_free_ha(ha);
00422                ast_destroy(cfg);
00423                return -1;
00424             } else if (ha)
00425                ast_free_ha(ha);
00426             if (!strcasecmp(authtype, "MD5")) {
00427                if (key && !ast_strlen_zero(key) && s->challenge) {
00428                   int x;
00429                   int len=0;
00430                   char md5key[256] = "";
00431                   struct MD5Context md5;
00432                   unsigned char digest[16];
00433                   MD5Init(&md5);
00434                   MD5Update(&md5, s->challenge, strlen(s->challenge));
00435                   MD5Update(&md5, password, strlen(password));
00436                   MD5Final(digest, &md5);
00437                   for (x=0;x<16;x++)
00438                      len += sprintf(md5key + len, "%2.2x", digest[x]);
00439                   if (!strcmp(md5key, key))
00440                      break;
00441                   else {
00442                      ast_destroy(cfg);
00443                      return -1;
00444                   }
00445                }
00446             } else if (password && !strcasecmp(password, pass)) {
00447                break;
00448             } else {
00449                ast_log(LOG_NOTICE, "%s failed to authenticate as '%s'\n", ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr), user);
00450                ast_destroy(cfg);
00451                return -1;
00452             }  
00453          }
00454       }
00455       cat = ast_category_browse(cfg, cat);
00456    }
00457    if (cat) {
00458       strncpy(s->username, cat, sizeof(s->username) - 1);
00459       s->readperm = get_perm(ast_variable_retrieve(cfg, cat, "read"));
00460       s->writeperm = get_perm(ast_variable_retrieve(cfg, cat, "write"));
00461       ast_destroy(cfg);
00462       if (events)
00463          set_eventmask(s, events);
00464       return 0;
00465    }
00466    ast_log(LOG_NOTICE, "%s tried to authenticate with non-existant user '%s'\n", ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr), user);
00467    ast_destroy(cfg);
00468    return -1;
00469 }
00470 
00471 static char mandescr_ping[] = 
00472 "Description: A 'Ping' action will ellicit a 'Pong' response.  Used to keep the "
00473 "  manager connection open.\n"
00474 "Variables: NONE\n";
00475 
00476 static int action_ping(struct mansession *s, struct message *m)
00477 {
00478    astman_send_response(s, m, "Pong", NULL);
00479    return 0;
00480 }
00481 
00482 static char mandescr_listcommands[] = 
00483 "Description: Returns the action name and synopsis for every\n"
00484 "  action that is available to the user\n"
00485 "Variables: NONE\n";
00486 
00487 static int action_listcommands(struct mansession *s, struct message *m)
00488 {
00489    struct manager_action *cur = first_action;
00490    char idText[256] = "";
00491    char *id = astman_get_header(m,"ActionID");
00492 
00493    if (id && !ast_strlen_zero(id))
00494       snprintf(idText,256,"ActionID: %s\r\n",id);
00495    ast_cli(s->fd, "Response: Success\r\n%s", idText);
00496    ast_mutex_lock(&s->lock);
00497    ast_mutex_lock(&actionlock);
00498    while (cur) { /* Walk the list of actions */
00499       if ((s->writeperm & cur->authority) == cur->authority)
00500          ast_cli(s->fd, "%s: %s\r\n", cur->action, cur->synopsis);
00501       cur = cur->next;
00502    }
00503    ast_mutex_unlock(&actionlock);
00504    ast_cli(s->fd, "\r\n");
00505    ast_mutex_unlock(&s->lock);
00506 
00507    return 0;
00508 }
00509 
00510 static char mandescr_events[] = 
00511 "Description: Enable/Disable sending of events to this manager\n"
00512 "  client.\n"
00513 "Variables:\n"
00514 "  EventMask: 'on' if all events should be sent,\n"
00515 "     'off' if no events should be sent,\n"
00516 "     'system,call,log' to select which flags events should have to be sent.\n";
00517 
00518 static int action_events(struct mansession *s, struct message *m)
00519 {
00520    char *mask = astman_get_header(m, "EventMask");
00521    int res;
00522 
00523    res = set_eventmask(s, mask);
00524    if (res > 0)
00525       astman_send_response(s, m, "Events On", NULL);
00526    else if (res == 0)
00527       astman_send_response(s, m, "Events Off", NULL);
00528 
00529    return 0;
00530 }
00531 
00532 static char mandescr_logoff[] = 
00533 "Description: Logoff this manager session\n"
00534 "Variables: NONE\n";
00535 
00536 static int action_logoff(struct mansession *s, struct message *m)
00537 {
00538    astman_send_response(s, m, "Goodbye", "Thanks for all the fish.");
00539    return -1;
00540 }
00541 
00542 static char mandescr_hangup[] = 
00543 "Description: Hangup a channel\n"
00544 "Variables: \n"
00545 "  Channel: The channel name to be hungup\n";
00546 
00547 static int action_hangup(struct mansession *s, struct message *m)
00548 {
00549    struct ast_channel *c = NULL;
00550    char *name = astman_get_header(m, "Channel");
00551    if (ast_strlen_zero(name)) {
00552       astman_send_error(s, m, "No channel specified");
00553       return 0;
00554    }
00555    c = ast_channel_walk_locked(NULL);
00556    while(c) {
00557       if (!strcasecmp(c->name, name)) {
00558          break;
00559       }
00560       ast_mutex_unlock(&c->lock);
00561       c = ast_channel_walk_locked(c);
00562    }
00563    if (!c) {
00564       astman_send_error(s, m, "No such channel");
00565       return 0;
00566    }
00567    ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT);
00568    ast_mutex_unlock(&c->lock);
00569    astman_send_ack(s, m, "Channel Hungup");
00570    return 0;
00571 }
00572 
00573 static int action_setvar(struct mansession *s, struct message *m)
00574 {
00575         struct ast_channel *c = NULL;
00576         char *name = astman_get_header(m, "Channel");
00577         char *varname = astman_get_header(m, "Variable");
00578         char *varval = astman_get_header(m, "Value");
00579    
00580    if (!strlen(name)) {
00581       astman_send_error(s, m, "No channel specified");
00582       return 0;
00583    }
00584    if (!strlen(varname)) {
00585       astman_send_error(s, m, "No variable specified");
00586       return 0;
00587    }
00588 
00589    c = ast_channel_walk_locked(NULL);
00590    while(c) {
00591       if (!strcasecmp(c->name, name)) {
00592          break;
00593       }
00594       ast_mutex_unlock(&c->lock);
00595       c = ast_channel_walk_locked(c);
00596    }
00597    if (!c) {
00598       astman_send_error(s, m, "No such channel");
00599       return 0;
00600    }
00601    
00602    pbx_builtin_setvar_helper(c,varname,varval);
00603      
00604    ast_mutex_unlock(&c->lock);
00605    astman_send_ack(s, m, "Variable Set");
00606    return 0;
00607 }
00608 
00609 static int action_getvar(struct mansession *s, struct message *m)
00610 {
00611         struct ast_channel *c = NULL;
00612         char *name = astman_get_header(m, "Channel");
00613         char *varname = astman_get_header(m, "Variable");
00614    char *id = astman_get_header(m,"ActionID");
00615    char *varval;
00616 
00617    if (!strlen(name)) {
00618       astman_send_error(s, m, "No channel specified");
00619       return 0;
00620    }
00621    if (!strlen(varname)) {
00622       astman_send_error(s, m, "No variable specified");
00623       return 0;
00624    }
00625 
00626    c = ast_channel_walk_locked(NULL);
00627    while(c) {
00628       if (!strcasecmp(c->name, name)) {
00629          break;
00630       }
00631       ast_mutex_unlock(&c->lock);
00632       c = ast_channel_walk_locked(c);
00633    }
00634    if (!c) {
00635       astman_send_error(s, m, "No such channel");
00636       return 0;
00637    }
00638    
00639    varval=pbx_builtin_getvar_helper(c,varname);
00640      
00641    ast_mutex_unlock(&c->lock);
00642    ast_mutex_lock(&s->lock);
00643    ast_cli(s->fd, "Response: Success\r\n"
00644       "%s: %s\r\n" ,varname,varval);
00645    if (id && !ast_strlen_zero(id))
00646       ast_cli(s->fd, "ActionID: %s\r\n",id);
00647    ast_cli(s->fd, "\r\n");
00648    ast_mutex_unlock(&s->lock);
00649 
00650    return 0;
00651 }
00652 
00653 
00654 static int action_status(struct mansession *s, struct message *m)
00655 {
00656    char *id = astman_get_header(m,"ActionID");
00657       char *name = astman_get_header(m,"Channel");
00658    char idText[256] = "";
00659    struct ast_channel *c;
00660    char bridge[256];
00661    struct timeval now;
00662    long elapsed_seconds=0;
00663 
00664    gettimeofday(&now, NULL);
00665    astman_send_ack(s, m, "Channel status will follow");
00666    c = ast_channel_walk_locked(NULL);
00667         if (id && !ast_strlen_zero(id))
00668                 snprintf(idText,256,"ActionID: %s\r\n",id);
00669    if (name && !ast_strlen_zero(name)) {
00670       while (c) {
00671          if (!strcasecmp(c->name, name)) {
00672             break;
00673          }
00674          ast_mutex_unlock(&c->lock);
00675          c = ast_channel_walk_locked(c);
00676       }
00677       if (!c) {
00678          astman_send_error(s, m, "No such channel");
00679          return 0;
00680       }
00681    }
00682    while(c) {
00683       if (c->bridge)
00684          snprintf(bridge, sizeof(bridge), "Link: %s\r\n", c->bridge->name);
00685       else
00686          bridge[0] = '\0';
00687       ast_mutex_lock(&s->lock);
00688       if (c->pbx) {
00689          if (c->cdr) {
00690             elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
00691          }
00692          ast_cli(s->fd,
00693          "Event: Status\r\n"
00694          "Channel: %s\r\n"
00695          "CallerID: %s\r\n"
00696          "Account: %s\r\n"
00697          "State: %s\r\n"
00698          "Context: %s\r\n"
00699          "Extension: %s\r\n"
00700          "Priority: %d\r\n"
00701          "Seconds: %ld\r\n"
00702          "%s"
00703          "Uniqueid: %s\r\n"
00704          "%s"
00705          "\r\n",
00706          c->name, c->callerid ? c->callerid : "<unknown>", 
00707          c->accountcode,
00708          ast_state2str(c->_state), c->context,
00709          c->exten, c->priority, (long)elapsed_seconds, bridge, c->uniqueid, idText);
00710       } else {
00711          ast_cli(s->fd,
00712          "Event: Status\r\n"
00713          "Channel: %s\r\n"
00714          "CallerID: %s\r\n"
00715          "Account: %s\r\n"
00716          "State: %s\r\n"
00717          "%s"
00718          "Uniqueid: %s\r\n"
00719          "%s"
00720          "\r\n",
00721          c->name, c->callerid ? c->callerid : "<unknown>", 
00722          c->accountcode,
00723          ast_state2str(c->_state), bridge, c->uniqueid, idText);
00724       }
00725       ast_mutex_unlock(&s->lock);
00726       ast_mutex_unlock(&c->lock);
00727       if (name && !ast_strlen_zero(name)) {
00728          break;
00729       }
00730       c = ast_channel_walk_locked(c);
00731    }
00732    ast_mutex_lock(&s->lock);
00733    ast_cli(s->fd,
00734    "Event: StatusComplete\r\n"
00735    "%s"
00736    "\r\n",idText);
00737    ast_mutex_unlock(&s->lock);
00738    return 0;
00739 }
00740 
00741 static int action_redirect(struct mansession *s, struct message *m)
00742 {
00743    char *name = astman_get_header(m, "Channel");
00744    char *name2 = astman_get_header(m, "ExtraChannel");
00745    char *exten = astman_get_header(m, "Exten");
00746    char *context = astman_get_header(m, "Context");
00747    char *priority = astman_get_header(m, "Priority");
00748    struct ast_channel *chan, *chan2 = NULL;
00749    int pi = 0;
00750    int res;
00751    if (!name || ast_strlen_zero(name)) {
00752       astman_send_error(s, m, "Channel not specified");
00753       return 0;
00754    }
00755    if (!ast_strlen_zero(priority) && (sscanf(priority, "%d", &pi) != 1)) {
00756       astman_send_error(s, m, "Invalid priority\n");
00757       return 0;
00758    }
00759    chan = ast_get_channel_by_name_locked(name);
00760    if (!chan) {
00761       astman_send_error(s, m, "Channel not existant");
00762       return 0;
00763    }
00764    if (!ast_strlen_zero(name2))
00765       chan2 = ast_get_channel_by_name_locked(name2);
00766    res = ast_async_goto(chan, context, exten, pi);
00767    if (!res) {
00768       if (!ast_strlen_zero(name2)) {
00769          if (chan2)
00770             res = ast_async_goto(chan2, context, exten, pi);
00771          else
00772             res = -1;
00773          if (!res)
00774             astman_send_ack(s, m, "Dual Redirect successful");
00775          else
00776             astman_send_error(s, m, "Secondary redirect failed");
00777       } else
00778          astman_send_ack(s, m, "Redirect successful");
00779    } else
00780       astman_send_error(s, m, "Redirect failed");
00781    if (chan)
00782       ast_mutex_unlock(&chan->lock);
00783    if (chan2)
00784       ast_mutex_unlock(&chan2->lock);
00785    return 0;
00786 }
00787 
00788 static int action_command(struct mansession *s, struct message *m)
00789 {
00790    char *cmd = astman_get_header(m, "Command");
00791    char *id = astman_get_header(m, "ActionID");
00792    ast_mutex_lock(&s->lock);
00793    s->blocking = 1;
00794    ast_mutex_unlock(&s->lock);
00795    ast_cli(s->fd, "Response: Follows\r\n");
00796    if (id && !ast_strlen_zero(id))
00797       ast_cli(s->fd, "ActionID: %s\r\n", id);
00798    /* FIXME: Wedge a ActionID response in here, waiting for later changes */
00799    ast_cli_command(s->fd, cmd);
00800    ast_cli(s->fd, "--END COMMAND--\r\n\r\n");
00801    ast_mutex_lock(&s->lock);
00802    s->blocking = 0;
00803    ast_mutex_unlock(&s->lock);
00804    return 0;
00805 }
00806 
00807 static void *fast_originate(void *data)
00808 {
00809    struct fast_originate_helper *in = data;
00810    int res;
00811    int reason = 0;
00812    if (!ast_strlen_zero(in->app)) {
00813       res = ast_pbx_outgoing_app(in->tech, AST_FORMAT_SLINEAR, in->data, in->timeout, in->app, in->appdata, &reason, 1, !ast_strlen_zero(in->callerid) ? in->callerid : NULL, in->variable, in->account);
00814    } else {
00815       res = ast_pbx_outgoing_exten(in->tech, AST_FORMAT_SLINEAR, in->data, in->timeout, in->context, in->exten, in->priority, &reason, 1, !ast_strlen_zero(in->callerid) ? in->callerid : NULL, in->variable, in->account);
00816    }   
00817    if (!res)
00818       manager_event(EVENT_FLAG_CALL,
00819          "OriginateSuccess",
00820          "%s"
00821          "Channel: %s/%s\r\n"
00822          "Context: %s\r\n"
00823          "Exten: %s\r\n",
00824          in->idtext, in->tech, in->data, in->context, in->exten);
00825    else
00826       manager_event(EVENT_FLAG_CALL,
00827          "OriginateFailure",
00828          "%s"
00829          "Channel: %s/%s\r\n"
00830          "Context: %s\r\n"
00831          "Exten: %s\r\n",
00832          in->idtext, in->tech, in->data, in->context, in->exten);
00833 
00834    free(in);
00835    return NULL;
00836 }
00837 
00838 static char mandescr_originate[] = 
00839 "Description: Generates an outgoing call to a Extension/Context/Priority or\n"
00840 "  Application/Data\n"
00841 "Variables: (Names marked with * are required)\n"
00842 "  *Channel: Channel name to call\n"
00843 "  Exten: Extension to use (requires 'Context' and 'Priority')\n"
00844 "  Context: Context to use (requires 'Exten' and 'Priority')\n"
00845 "  Priority: Priority to use (requires 'Exten' and 'Context')\n"
00846 "  Application: Application to use\n"
00847 "  Data: Data to use (requires 'Application')\n"
00848 "  Timeout: How long to wait for call to be answered (in ms)\n"
00849 "  CallerID: Caller ID to be set on the outgoing channel\n"
00850 "  Variable: Channel variable to set (VAR1=value1|VAR2=value2)\n"
00851 "  Account: Account code\n"
00852 "  Async: Set to 'true' for fast origination\n";
00853 
00854 static int action_originate(struct mansession *s, struct message *m)
00855 {
00856    char *name = astman_get_header(m, "Channel");
00857    char *exten = astman_get_header(m, "Exten");
00858    char *context = astman_get_header(m, "Context");
00859    char *priority = astman_get_header(m, "Priority");
00860    char *timeout = astman_get_header(m, "Timeout");
00861    char *callerid = astman_get_header(m, "CallerID");
00862       char *variable = astman_get_header(m, "Variable");
00863       char *account = astman_get_header(m, "Account");
00864    char *app = astman_get_header(m, "Application");
00865    char *appdata = astman_get_header(m, "Data");
00866    char *async = astman_get_header(m, "Async");
00867    char *id = astman_get_header(m, "ActionID");
00868    char *tech, *data;
00869    int pi = 0;
00870    int res;
00871    int to = 30000;
00872    int reason = 0;
00873    char tmp[256];
00874    pthread_t th;
00875    pthread_attr_t attr;
00876    if (!name) {
00877       astman_send_error(s, m, "Channel not specified");
00878       return 0;
00879    }
00880    if (!ast_strlen_zero(priority) && (sscanf(priority, "%d", &pi) != 1)) {
00881       astman_send_error(s, m, "Invalid priority\n");
00882       return 0;
00883    }
00884    if (!ast_strlen_zero(timeout) && (sscanf(timeout, "%d", &to) != 1)) {
00885       astman_send_error(s, m, "Invalid timeout\n");
00886       return 0;
00887    }
00888    strncpy(tmp, name, sizeof(tmp) - 1);
00889    tech = tmp;
00890    data = strchr(tmp, '/');
00891    if (!data) {
00892       astman_send_error(s, m, "Invalid channel\n");
00893       return 0;
00894    }
00895    *data = '\0';
00896    data++;
00897    if (ast_true(async)) {
00898       struct fast_originate_helper *fast = malloc(sizeof(struct fast_originate_helper));
00899       if (!fast) {
00900          res = -1;
00901       } else {
00902          memset(fast, 0, sizeof(struct fast_originate_helper));
00903          if (id && !ast_strlen_zero(id))
00904             snprintf(fast->idtext, sizeof(fast->idtext), "ActionID: %s\r\n", id);
00905          strncpy(fast->tech, tech, sizeof(fast->tech) - 1);
00906             strncpy(fast->data, data, sizeof(fast->data) - 1);
00907          strncpy(fast->app, app, sizeof(fast->app) - 1);
00908          strncpy(fast->appdata, appdata, sizeof(fast->appdata) - 1);
00909          strncpy(fast->callerid, callerid, sizeof(fast->callerid) - 1);
00910          strncpy(fast->variable, variable, sizeof(fast->variable) - 1);
00911          strncpy(fast->account, account, sizeof(fast->account) - 1);
00912          strncpy(fast->context, context, sizeof(fast->context) - 1);
00913          strncpy(fast->exten, exten, sizeof(fast->exten) - 1);
00914          fast->timeout = to;
00915          fast->priority = pi;
00916          pthread_attr_init(&attr);
00917          pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
00918          if (ast_pthread_create(&th, &attr, fast_originate, fast)) {
00919             res = -1;
00920          } else {
00921             res = 0;
00922          }
00923       }
00924    } else if (!ast_strlen_zero(app)) {
00925          res = ast_pbx_outgoing_app(tech, AST_FORMAT_SLINEAR, data, to, app, appdata, &reason, 0, !ast_strlen_zero(callerid) ? callerid : NULL, variable, account);
00926       } else {
00927       if (exten && context && pi)
00928             res = ast_pbx_outgoing_exten(tech, AST_FORMAT_SLINEAR, data, to, context, exten, pi, &reason, 0, !ast_strlen_zero(callerid) ? callerid : NULL, variable, account);
00929       else {
00930          astman_send_error(s, m, "Originate with 'Exten' requires 'Context' and 'Priority'");
00931          return 0;
00932       }
00933    }   
00934    if (!res)
00935       astman_send_ack(s, m, "Originate successfully queued");
00936    else
00937       astman_send_error(s, m, "Originate failed");
00938    return 0;
00939 }
00940 
00941 static int action_mailboxstatus(struct mansession *s, struct message *m)
00942 {
00943    char *mailbox = astman_get_header(m, "Mailbox");
00944    char *id = astman_get_header(m,"ActionID");
00945    char idText[256] = "";
00946    int ret;
00947    if (!mailbox || ast_strlen_zero(mailbox)) {
00948       astman_send_error(s, m, "Mailbox not specified");
00949       return 0;
00950    }
00951         if (id && !ast_strlen_zero(id))
00952                 snprintf(idText,256,"ActionID: %s\r\n",id);
00953    ret = ast_app_has_voicemail(mailbox);
00954    ast_mutex_lock(&s->lock);
00955    ast_cli(s->fd, "Response: Success\r\n"
00956                "%s"
00957                "Message: Mailbox Status\r\n"
00958                "Mailbox: %s\r\n"
00959                "Waiting: %d\r\n\r\n", idText, mailbox, ret);
00960    ast_mutex_unlock(&s->lock);
00961    return 0;
00962 }
00963 
00964 static int action_mailboxcount(struct mansession *s, struct message *m)
00965 {
00966    char *mailbox = astman_get_header(m, "Mailbox");
00967    char *id = astman_get_header(m,"ActionID");
00968    char idText[256] = "";
00969    int newmsgs = 0, oldmsgs = 0;
00970    if (!mailbox || ast_strlen_zero(mailbox)) {
00971       astman_send_error(s, m, "Mailbox not specified");
00972       return 0;
00973    }
00974    ast_app_messagecount(mailbox, &newmsgs, &oldmsgs);
00975         if (id && !ast_strlen_zero(id)) {
00976                 snprintf(idText,256,"ActionID: %s\r\n",id);
00977         }
00978    ast_mutex_lock(&s->lock);
00979    ast_cli(s->fd, "Response: Success\r\n"
00980                "%s"
00981                "Message: Mailbox Message Count\r\n"
00982                "Mailbox: %s\r\n"
00983                "NewMessages: %d\r\n"
00984                "OldMessages: %d\r\n" 
00985                "\r\n",
00986                 idText,mailbox, newmsgs, oldmsgs);
00987    ast_mutex_unlock(&s->lock);
00988    return 0;
00989 }
00990 
00991 static int action_extensionstate(struct mansession *s, struct message *m)
00992 {
00993    char *exten = astman_get_header(m, "Exten");
00994    char *context = astman_get_header(m, "Context");
00995    char *id = astman_get_header(m,"ActionID");
00996    char idText[256] = "";
00997    char hint[256] = "";
00998    int status;
00999    if (!exten || ast_strlen_zero(exten)) {
01000       astman_send_error(s, m, "Extension not specified");
01001       return 0;
01002    }
01003    if (!context || ast_strlen_zero(context))
01004       context = "default";
01005    status = ast_extension_state(NULL, context, exten);
01006    ast_get_hint(hint, sizeof(hint) - 1, NULL, context, exten);
01007         if (id && !ast_strlen_zero(id)) {
01008                 snprintf(idText,256,"ActionID: %s\r\n",id);
01009         }
01010    ast_mutex_lock(&s->lock);
01011    ast_cli(s->fd, "Response: Success\r\n"
01012                     "%s"
01013                "Message: Extension Status\r\n"
01014                "Exten: %s\r\n"
01015                "Context: %s\r\n"
01016                "Hint: %s\r\n"
01017                "Status: %d\r\n\r\n",
01018                idText,exten, context, hint, status);
01019    ast_mutex_unlock(&s->lock);
01020    return 0;
01021 }
01022 
01023 static int action_timeout(struct mansession *s, struct message *m)
01024 {
01025    struct ast_channel *c = NULL;
01026    char *name = astman_get_header(m, "Channel");
01027    int timeout = atoi(astman_get_header(m, "Timeout"));
01028    if (ast_strlen_zero(name)) {
01029       astman_send_error(s, m, "No channel specified");
01030       return 0;
01031    }
01032    if (!timeout) {
01033       astman_send_error(s, m, "No timeout specified");
01034       return 0;
01035    }
01036    c = ast_channel_walk_locked(NULL);
01037    while(c) {
01038       if (!strcasecmp(c->name, name)) {
01039          break;
01040       }
01041       ast_mutex_unlock(&c->lock);
01042       c = ast_channel_walk_locked(c);
01043    }
01044    if (!c) {
01045       astman_send_error(s, m, "No such channel");
01046       return 0;
01047    }
01048    ast_channel_setwhentohangup(c, timeout);
01049    ast_mutex_unlock(&c->lock);
01050    astman_send_ack(s, m, "Timeout Set");
01051    return 0;
01052 }
01053 
01054 static int process_message(struct mansession *s, struct message *m)
01055 {
01056    char action[80] = "";
01057    struct manager_action *tmp = first_action;
01058    char *id = astman_get_header(m,"ActionID");
01059    char idText[256] = "";
01060    char iabuf[INET_ADDRSTRLEN];
01061 
01062    strncpy(action, astman_get_header(m, "Action"), sizeof(action) - 1);
01063    ast_log( LOG_DEBUG, "Manager received command '%s'\n", action );
01064 
01065    if (ast_strlen_zero(action)) {
01066       astman_send_error(s, m, "Missing action in request");
01067       return 0;
01068    }
01069         if (id && !ast_strlen_zero(id)) {
01070                 snprintf(idText,256,"ActionID: %s\r\n",id);
01071         }
01072    if (!s->authenticated) {
01073       if (!strcasecmp(action, "Challenge")) {
01074          char *authtype;
01075          authtype = astman_get_header(m, "AuthType");
01076          if (!strcasecmp(authtype, "MD5")) {
01077             if (!s->challenge || ast_strlen_zero(s->challenge)) {
01078                ast_mutex_lock(&s->lock);
01079                snprintf(s->challenge, sizeof(s->challenge), "%d", rand());
01080                ast_mutex_unlock(&s->lock);
01081             }
01082             ast_mutex_lock(&s->lock);
01083             ast_cli(s->fd, "Response: Success\r\n"
01084                   "%s"
01085                   "Challenge: %s\r\n\r\n",
01086                   idText,s->challenge);
01087             ast_mutex_unlock(&s->lock);
01088             return 0;
01089          } else {
01090             astman_send_error(s, m, "Must specify AuthType");
01091             return 0;
01092          }
01093       } else if (!strcasecmp(action, "Login")) {
01094          if (authenticate(s, m)) {
01095             sleep(1);
01096             astman_send_error(s, m, "Authentication failed");
01097             return -1;
01098          } else {
01099             s->authenticated = 1;
01100             if (option_verbose > 1) 
01101                ast_verbose(VERBOSE_PREFIX_2 "Manager '%s' logged on from %s\n", s->username, ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
01102             ast_log(LOG_EVENT, "Manager '%s' logged on from %s\n", s->username, ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
01103             astman_send_ack(s, m, "Authentication accepted");
01104          }
01105       } else if (!strcasecmp(action, "Logoff")) {
01106          astman_send_ack(s, m, "See ya");
01107          return -1;
01108       } else
01109          astman_send_error(s, m, "Authentication Required");
01110    } else {
01111       while( tmp ) {       
01112          if (!strcasecmp(action, tmp->action)) {
01113             if ((s->writeperm & tmp->authority) == tmp->authority) {
01114                if (tmp->func(s, m))
01115                   return -1;
01116             } else {
01117                astman_send_error(s, m, "Permission denied");
01118             }
01119             return 0;
01120          }
01121          tmp = tmp->next;
01122       }
01123       astman_send_error(s, m, "Invalid/unknown command");
01124    }
01125    return 0;
01126 }
01127 
01128 static int get_input(struct mansession *s, char *output)
01129 {
01130    /* output must have at least sizeof(s->inbuf) space */
01131    int res;
01132    int x;
01133    struct pollfd fds[1];
01134    char iabuf[INET_ADDRSTRLEN];
01135    for (x=1;x<s->inlen;x++) {
01136       if ((s->inbuf[x] == '\n') && (s->inbuf[x-1] == '\r')) {
01137          /* Copy output data up to and including \r\n */
01138          memcpy(output, s->inbuf, x + 1);
01139          /* Add trailing \0 */
01140          output[x+1] = '\0';
01141          /* Move remaining data back to the front */
01142          memmove(s->inbuf, s->inbuf + x + 1, s->inlen - x);
01143          s->inlen -= (x + 1);
01144          return 1;
01145       }
01146    } 
01147    if (s->inlen >= sizeof(s->inbuf) - 1) {
01148       ast_log(LOG_WARNING, "Dumping long line with no return from %s: %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr), s->inbuf);
01149       s->inlen = 0;
01150    }
01151    fds[0].fd = s->fd;
01152    fds[0].events = POLLIN;
01153    res = poll(fds, 1, -1);
01154    if (res < 0) {
01155       ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
01156    } else if (res > 0) {
01157       ast_mutex_lock(&s->lock);
01158       res = read(s->fd, s->inbuf + s->inlen, sizeof(s->inbuf) - 1 - s->inlen);
01159       ast_mutex_unlock(&s->lock);
01160       if (res < 1)
01161          return -1;
01162    }
01163    s->inlen += res;
01164    s->inbuf[s->inlen] = '\0';
01165    return 0;
01166 }
01167 
01168 static void *session_do(void *data)
01169 {
01170    struct mansession *s = data;
01171    struct message m;
01172    char iabuf[INET_ADDRSTRLEN];
01173    int res;
01174    
01175    ast_mutex_lock(&s->lock);
01176    ast_cli(s->fd, "Asterisk Call Manager/1.0\r\n");
01177    ast_mutex_unlock(&s->lock);
01178    memset(&m, 0, sizeof(&m));
01179    for (;;) {
01180       res = get_input(s, m.headers[m.hdrcount]);
01181       if (res > 0) {
01182          /* Strip trailing \r\n */
01183          if (strlen(m.headers[m.hdrcount]) < 2)
01184             continue;
01185          m.headers[m.hdrcount][strlen(m.headers[m.hdrcount]) - 2] = '\0';
01186          if (ast_strlen_zero(m.headers[m.hdrcount])) {
01187             if (process_message(s, &m))
01188                break;
01189             memset(&m, 0, sizeof(&m));
01190          } else if (m.hdrcount < MAX_HEADERS - 1)
01191             m.hdrcount++;
01192       } else if (res < 0)
01193          break;
01194    }
01195    if (s->authenticated) {
01196       if (option_verbose > 1) 
01197          ast_verbose(VERBOSE_PREFIX_2 "Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
01198       ast_log(LOG_EVENT, "Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
01199    } else {
01200       if (option_verbose > 1)
01201          ast_verbose(VERBOSE_PREFIX_2 "Connect attempt from '%s' unable to authenticate\n", ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
01202       ast_log(LOG_EVENT, "Failed attempt from %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), s->sin.sin_addr));
01203    }
01204    destroy_session(s);
01205    return NULL;
01206 }
01207 
01208 static void *accept_thread(void *ignore)
01209 {
01210    int as;
01211    struct sockaddr_in sin;
01212    int sinlen;
01213    struct mansession *s;
01214    struct protoent *p;
01215    int arg = 1;
01216    int flags;
01217    pthread_attr_t attr;
01218 
01219    pthread_attr_init(&attr);
01220    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
01221 
01222    for (;;) {
01223       sinlen = sizeof(sin);
01224       as = accept(asock, (struct sockaddr *)&sin, &sinlen);
01225       if (as < 0) {
01226          ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno));
01227          continue;
01228       }
01229       p = getprotobyname("tcp");
01230       if( p ) {
01231          if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
01232             ast_log(LOG_WARNING, "Failed to set manager tcp connection to TCP_NODELAY mode: %s\n", strerror(errno));
01233          }
01234       }
01235       s = malloc(sizeof(struct mansession));
01236       if (!s) {
01237          ast_log(LOG_WARNING, "Failed to allocate management session: %s\n", strerror(errno));
01238          continue;
01239       } 
01240       memset(s, 0, sizeof(struct mansession));
01241       memcpy(&s->sin, &sin, sizeof(sin));
01242 
01243       if(! block_sockets) {
01244          /* For safety, make sure socket is non-blocking */
01245          flags = fcntl(as, F_GETFL);
01246          fcntl(as, F_SETFL, flags | O_NONBLOCK);
01247       }
01248       ast_mutex_init(&s->lock);
01249       s->fd = as;
01250       s->send_events = -1;
01251       ast_mutex_lock(&sessionlock);
01252       s->next = sessions;
01253       sessions = s;
01254       ast_mutex_unlock(&sessionlock);
01255       if (ast_pthread_create(&t, &attr, session_do, s))
01256          destroy_session(s);
01257    }
01258    pthread_attr_destroy(&attr);
01259    return NULL;
01260 }
01261 
01262 int manager_event(int category, char *event, char *fmt, ...)
01263 {
01264    struct mansession *s;
01265    char tmp[4096];
01266    va_list ap;
01267 
01268    ast_mutex_lock(&sessionlock);
01269    s = sessions;
01270    while(s) {
01271       if (((s->readperm & category) == category) && ((s->send_events & category) == category) ) {
01272          ast_mutex_lock(&s->lock);
01273          if (!s->blocking) {
01274             ast_cli(s->fd, "Event: %s\r\n", event);
01275             va_start(ap, fmt);
01276             vsnprintf(tmp, sizeof(tmp), fmt, ap);
01277             va_end(ap);
01278             ast_carefulwrite(s->fd,tmp,strlen(tmp),100);
01279             ast_cli(s->fd, "\r\n");
01280          }
01281          ast_mutex_unlock(&s->lock);
01282       }
01283       s = s->next;
01284    }
01285    ast_mutex_unlock(&sessionlock);
01286    return 0;
01287 }
01288 
01289 int ast_manager_unregister( char *action ) {
01290    struct manager_action *cur = first_action, *prev = first_action;
01291 
01292    ast_mutex_lock(&actionlock);
01293    while( cur ) {       
01294       if (!strcasecmp(action, cur->action)) {
01295          prev->next = cur->next;
01296          free(cur);
01297          if (option_verbose > 1) 
01298             ast_verbose(VERBOSE_PREFIX_2 "Manager unregistered action %s\n", action);
01299          ast_mutex_unlock(&actionlock);
01300          return 0;
01301       }
01302       prev = cur;
01303       cur = cur->next;
01304    }
01305    ast_mutex_unlock(&actionlock);
01306    return 0;
01307 }
01308 
01309 static int manager_state_cb(char *context, char *exten, int state, void *data)
01310 {
01311    /* Notify managers of change */
01312    manager_event(EVENT_FLAG_CALL, "ExtensionStatus", "Exten: %s\r\nContext: %s\r\nStatus: %d\r\n", exten, context, state);
01313    return 0;
01314 }
01315 
01316 static int ast_manager_register_struct(struct manager_action *act)
01317 {
01318    struct manager_action *cur = first_action, *prev = NULL;
01319    int ret;
01320 
01321    ast_mutex_lock(&actionlock);
01322    while(cur) { /* Walk the list of actions */
01323       ret = strcasecmp(cur->action, act->action);
01324       if (ret == 0) {
01325          ast_log(LOG_WARNING, "Manager: Action '%s' already registered\n", act->action);
01326          ast_mutex_unlock(&actionlock);
01327          return -1;
01328       } else if (ret > 0) {
01329          /* Insert these alphabetically */
01330          if (prev) {
01331             act->next = prev->next;
01332             prev->next = act;
01333          } else {
01334             act->next = first_action;
01335             first_action = act;
01336          }
01337          break;
01338       }
01339       prev = cur; 
01340       cur = cur->next;
01341    }
01342    
01343    if (!cur) {
01344       if (prev)
01345          prev->next = act;
01346       else
01347          first_action = act;
01348       act->next = NULL;
01349    }
01350 
01351    if (option_verbose > 1) 
01352       ast_verbose(VERBOSE_PREFIX_2 "Manager registered action %s\n", act->action);
01353    ast_mutex_unlock(&actionlock);
01354    return 0;
01355 }
01356 
01357 int ast_manager_register2(char *action, int auth, int (*func)(struct mansession *s, struct message *m), char *synopsis, char *description)
01358 {
01359    struct manager_action *cur;
01360 
01361    cur = malloc(sizeof(struct manager_action));
01362    if (!cur) {
01363       ast_log(LOG_WARNING, "Manager: out of memory trying to register action\n");
01364       ast_mutex_unlock(&actionlock);
01365       return -1;
01366    }
01367    cur->action = action;
01368    cur->authority = auth;
01369    cur->func = func;
01370    cur->synopsis = synopsis;
01371    cur->description = description;
01372    cur->next = NULL;
01373 
01374    ast_manager_register_struct(cur);
01375 
01376    return 0;
01377 }
01378 
01379 static int registered = 0;
01380 
01381 int init_manager(void)
01382 {
01383    struct ast_config *cfg;
01384    char *val;
01385    int oldportno = portno;
01386    static struct sockaddr_in ba;
01387    int x = 1;
01388    if (!registered) {
01389       /* Register default actions */
01390       ast_manager_register2("Ping", 0, action_ping, "Ping", mandescr_ping);
01391       ast_manager_register2("Events", 0, action_events, "Contol Event Flow", mandescr_events);
01392       ast_manager_register2("Logoff", 0, action_logoff, "Logoff Manager", mandescr_logoff);
01393       ast_manager_register2("Hangup", EVENT_FLAG_CALL, action_hangup, "Hangup Channel", mandescr_hangup);
01394       ast_manager_register( "Status", EVENT_FLAG_CALL, action_status, "Status" );
01395       ast_manager_register( "Setvar", EVENT_FLAG_CALL, action_setvar, "Set Channel Variable" );
01396       ast_manager_register( "Getvar", EVENT_FLAG_CALL, action_getvar, "Gets a Channel Variable" );
01397       ast_manager_register( "Redirect", EVENT_FLAG_CALL, action_redirect, "Redirect" );
01398       ast_manager_register2("Originate", EVENT_FLAG_CALL, action_originate, "Originate Call", mandescr_originate);
01399       ast_manager_register( "MailboxStatus", EVENT_FLAG_CALL, action_mailboxstatus, "Check Mailbox" );
01400       ast_manager_register( "Command", EVENT_FLAG_COMMAND, action_command, "Execute Command" );
01401       ast_manager_register( "ExtensionState", EVENT_FLAG_CALL, action_extensionstate, "Check Extension Status" );
01402       ast_manager_register( "AbsoluteTimeout", EVENT_FLAG_CALL, action_timeout, "Set Absolute Timeout" );
01403       ast_manager_register( "MailboxCount", EVENT_FLAG_CALL, action_mailboxcount, "Check Mailbox Message Count" );
01404       ast_manager_register2("ListCommands", 0, action_listcommands, "List available manager commands", mandescr_listcommands);
01405 
01406       ast_cli_register(&show_mancmd_cli);
01407       ast_cli_register(&show_mancmds_cli);
01408       ast_cli_register(&show_manconn_cli);
01409       ast_extension_state_add(NULL, NULL, manager_state_cb, NULL);
01410       registered = 1;
01411    }
01412    portno = DEFAULT_MANAGER_PORT;
01413    cfg = ast_load("manager.conf");
01414    if (!cfg) {
01415       ast_log(LOG_NOTICE, "Unable to open management configuration manager.conf.  Call management disabled.\n");
01416       return 0;
01417    }
01418    memset(&ba, 0, sizeof(ba));
01419    val = ast_variable_retrieve(cfg, "general", "enabled");
01420    if (val)
01421       enabled = ast_true(val);
01422 
01423    val = ast_variable_retrieve(cfg, "general", "block-sockets");
01424    if(val)
01425       block_sockets = ast_true(val);
01426 
01427    if ((val = ast_variable_retrieve(cfg, "general", "port"))) {
01428       if (sscanf(val, "%d", &portno) != 1) {
01429          ast_log(LOG_WARNING, "Invalid port number '%s'\n", val);
01430          portno = DEFAULT_MANAGER_PORT;
01431       }
01432    } else if ((val = ast_variable_retrieve(cfg, "general", "portno"))) {
01433       if (sscanf(val, "%d", &portno) != 1) {
01434          ast_log(LOG_WARNING, "Invalid port number '%s'\n", val);
01435          portno = DEFAULT_MANAGER_PORT;
01436       }
01437       ast_log(LOG_NOTICE, "Use of portno in manager.conf deprecated.  Please use 'port=%s' instead.\n", val);
01438    }
01439    
01440    ba.sin_family = AF_INET;
01441    ba.sin_port = htons(portno);
01442    memset(&ba.sin_addr, 0, sizeof(ba.sin_addr));
01443    
01444    if ((val = ast_variable_retrieve(cfg, "general", "bindaddr"))) {
01445       if (!inet_aton(val, &ba.sin_addr)) { 
01446          ast_log(LOG_WARNING, "Invalid address '%s' specified, using 0.0.0.0\n", val);
01447          memset(&ba.sin_addr, 0, sizeof(ba.sin_addr));
01448       }
01449    }
01450    
01451    if ((asock > -1) && ((portno != oldportno) || !enabled)) {
01452 #if 0
01453       /* Can't be done yet */
01454       close(asock);
01455       asock = -1;
01456 #else
01457       ast_log(LOG_WARNING, "Unable to change management port / enabled\n");
01458 #endif
01459    }
01460    ast_destroy(cfg);
01461    
01462    /* If not enabled, do nothing */
01463    if (!enabled) {
01464       return 0;
01465    }
01466    if (asock < 0) {
01467       asock = socket(AF_INET, SOCK_STREAM, 0);
01468       if (asock < 0) {
01469          ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno));
01470          return -1;
01471       }
01472       setsockopt(asock, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x));
01473       if (bind(asock, (struct sockaddr *)&ba, sizeof(ba))) {
01474          ast_log(LOG_WARNING, "Unable to bind socket: %s\n", strerror(errno));
01475          close(asock);
01476          asock = -1;
01477          return -1;
01478       }
01479       if (listen(asock, 2)) {
01480          ast_log(LOG_WARNING, "Unable to listen on socket: %s\n", strerror(errno));
01481          close(asock);
01482          asock = -1;
01483          return -1;
01484       }
01485       if (option_verbose)
01486          ast_verbose("Asterisk Management interface listening on port %d\n", portno);
01487       ast_pthread_create(&t, NULL, accept_thread, NULL);
01488    }
01489    return 0;
01490 }
01491 
01492 int reload_manager(void)
01493 {
01494    manager_event(EVENT_FLAG_SYSTEM, "Reload", "Message: Reload Requested\r\n");
01495    return init_manager();
01496 }

Generated on Thu Oct 28 11:32:54 2004 for Asterisk by doxygen1.2.15