Thu Dec 17 13:34:01 2009

Asterisk developer's documentation


manager.c File Reference

The Asterisk Management Interface - AMI. More...

#include "asterisk.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/time.h>
#include <sys/types.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <signal.h>
#include <errno.h>
#include <unistd.h>
#include <sys/mman.h>
#include "asterisk/version.h"
#include "asterisk/channel.h"
#include "asterisk/file.h"
#include "asterisk/manager.h"
#include "asterisk/config.h"
#include "asterisk/callerid.h"
#include "asterisk/lock.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "asterisk/cli.h"
#include "asterisk/app.h"
#include "asterisk/pbx.h"
#include "asterisk/md5.h"
#include "asterisk/acl.h"
#include "asterisk/utils.h"
#include "asterisk/http.h"
#include "asterisk/threadstorage.h"
#include "asterisk/linkedlists.h"
#include "asterisk/term.h"
#include "asterisk/astobj2.h"

Go to the source code of this file.

Data Structures

struct  ast_manager_user
struct  eventqent
struct  fast_originate_helper
struct  mansession
struct  mansession_session
struct  permalias
struct  sessions
struct  users
struct  variable_count

Defines

#define ASTMAN_APPEND_BUF_INITSIZE   256
#define MANAGER_EVENT_BUF_INITSIZE   256
#define MAX_BLACKLIST_CMD_LEN   2

Enumerations

enum  { FORMAT_RAW, FORMAT_HTML, FORMAT_XML }

Functions

static void * accept_thread (void *ignore)
static int action_atxfer (struct mansession *s, const struct message *m)
static int action_command (struct mansession *s, const struct message *m)
 action_command: Manager command "command" - execute CLI command
static int action_coresettings (struct mansession *s, const struct message *m)
 Show PBX core settings information.
static int action_corestatus (struct mansession *s, const struct message *m)
 Show PBX core status information.
static int action_events (struct mansession *s, const struct message *m)
static int action_extensionstate (struct mansession *s, const struct message *m)
static int action_getconfig (struct mansession *s, const struct message *m)
static int action_getvar (struct mansession *s, const struct message *m)
static int action_hangup (struct mansession *s, const struct message *m)
static int action_listcommands (struct mansession *s, const struct message *m)
static int action_logoff (struct mansession *s, const struct message *m)
static int action_mailboxcount (struct mansession *s, const struct message *m)
static int action_mailboxstatus (struct mansession *s, const struct message *m)
static int action_originate (struct mansession *s, const struct message *m)
static int action_ping (struct mansession *s, const struct message *m)
static int action_redirect (struct mansession *s, const struct message *m)
 action_redirect: The redirect manager command
static int action_setvar (struct mansession *s, const struct message *m)
static int action_status (struct mansession *s, const struct message *m)
 Manager "status" command to show channels.
static int action_timeout (struct mansession *s, const struct message *m)
static int action_updateconfig (struct mansession *s, const struct message *m)
static int action_userevent (struct mansession *s, const struct message *m)
static int action_waitevent (struct mansession *s, const struct message *m)
static int append_event (const char *str, int category)
static struct ast_manager_userast_get_manager_by_name_locked (const char *name)
static int ast_instring (const char *bigstr, const char *smallstr, char delim)
static int ast_is_number (const char *string)
int ast_manager_register2 (const char *action, int auth, int(*func)(struct mansession *s, const struct message *m), const char *synopsis, const char *description)
 register a new command with manager, including online help. This is the preferred way to register a manager command
static int ast_manager_register_struct (struct manager_action *act)
int ast_manager_unregister (char *action)
void astman_append (struct mansession *s, const char *fmt,...)
static void astman_append_buf_init (void)
const char * astman_get_header (const struct message *m, char *var)
ast_variableastman_get_variables (const struct message *m)
void astman_send_ack (struct mansession *s, const struct message *m, char *msg)
void astman_send_error (struct mansession *s, const struct message *m, char *error)
void astman_send_response (struct mansession *s, const struct message *m, char *resp, char *msg)
int astman_verify_session_readpermissions (uint32_t ident, int perm)
 Verify a session's read permissions against a permission mask.
int astman_verify_session_writepermissions (uint32_t ident, int perm)
 Verify a session's write permissions against a permission mask.
static int authenticate (struct mansession *s, const struct message *m)
static char * authority_to_str (int authority, char *res, int reslen)
 Convert authority code to string with serveral options.
static int check_blacklist (const char *cmd)
int check_manager_enabled ()
 Check if AMI is enabled.
int check_webmanager_enabled ()
 Check if AMI/HTTP is enabled.
static char * complete_show_mancmd (const char *line, const char *word, int pos, int state)
static int compress_char (char c)
static void destroy_session (struct mansession_session *s)
static int do_message (struct mansession *s)
static void * fast_originate (void *data)
static struct mansession_sessionfind_session (uint32_t ident)
static void free_session (struct mansession_session *s)
static char * generic_http_callback (int format, struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength)
static int get_input (struct mansession_session *s, char *output)
static int get_perm (const char *instr)
static int handle_showmanager (int fd, int argc, char *argv[])
static int handle_showmanagers (int fd, int argc, char *argv[])
static int handle_showmancmd (int fd, int argc, char *argv[])
static int handle_showmancmds (int fd, int argc, char *argv[])
 CLI command Should change to "manager show commands".
static int handle_showmanconn (int fd, int argc, char *argv[])
 CLI command show manager connected.
static int handle_showmaneventq (int fd, int argc, char *argv[])
 CLI command show manager eventq.
static void handle_updates (struct mansession *s, const struct message *m, struct ast_config *cfg)
static char * html_translate (char *in)
int init_manager (void)
int manager_event (int category, const char *event, const char *fmt,...)
 manager_event: Send AMI event to client
static void manager_event_buf_init (void)
static char * manager_http_callback (struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength)
static int manager_state_cb (char *context, char *exten, int state, void *data)
static char * mxml_http_callback (struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength)
static int process_events (struct mansession *s)
static int process_message (struct mansession *s, const struct message *m)
static char * rawman_http_callback (struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength)
int reload_manager (void)
static void * session_do (void *data)
static int set_eventmask (struct mansession_session *s, const char *eventmask)
 Rather than braindead on,off this now can also accept a specific int mask value or a ',' delim list of mask strings (the same as manager.conf) -anthm.
static int strings_to_mask (const char *string)
static void unuse_eventqent (struct eventqent *e)
static int variable_count_cmp_fn (void *obj, void *vstr, int flags)
static int variable_count_hash_fn (const void *vvc, const int flags)
static void xml_copy_escape (char **dst, size_t *maxlen, const char *src, int lower)
static char * xml_translate (char *in, struct ast_variable *vars)

Variables

static ast_rwlock_t actionlock = PTHREAD_RWLOCK_INITIALIZER
static int asock = -1
static struct ast_threadstorage astman_append_buf = { .once = PTHREAD_ONCE_INIT, .key_init = astman_append_buf_init , }
static int block_sockets
static struct ast_cli_entry cli_manager []
static struct ast_cli_entry cli_show_manager_command_deprecated
static struct ast_cli_entry cli_show_manager_commands_deprecated
static struct ast_cli_entry cli_show_manager_connected_deprecated
static struct ast_cli_entry cli_show_manager_eventq_deprecated
struct {
   char *   words [AST_MAX_CMD_LEN]
command_blacklist []
static char * contenttype [] = { "plain", "html", "xml" }
static int displayconnects = 1
static struct manager_actionfirst_action
static int httptimeout = 60
static int manager_enabled = 0
static struct ast_threadstorage manager_event_buf = { .once = PTHREAD_ONCE_INIT, .key_init = manager_event_buf_init , }
ast_http_uri manageruri
ast_http_uri managerxmluri
static char mandescr_atxfer []
static char mandescr_command []
static char mandescr_coresettings []
static char mandescr_corestatus []
static char mandescr_events []
static char mandescr_extensionstate []
static char mandescr_getconfig []
static char mandescr_getvar []
static char mandescr_hangup []
static char mandescr_listcommands []
static char mandescr_logoff []
static char mandescr_mailboxcount []
static char mandescr_mailboxstatus []
 Help text for manager command mailboxstatus.
static char mandescr_originate []
static char mandescr_ping []
 Manager PING.
static char mandescr_redirect []
static char mandescr_setvar []
static char mandescr_timeout []
static char mandescr_updateconfig []
static char mandescr_userevent []
static char mandescr_waitevent []
 Manager WAITEVENT.
eventqentmaster_eventq = NULL
static int num_sessions
static struct permalias perms []
static int portno = DEFAULT_MANAGER_PORT
ast_http_uri rawmanuri
static int registered = 0
static char showmanager_help []
static char showmanagers_help []
static char showmancmd_help []
static char showmancmds_help []
static char showmanconn_help []
static char showmaneventq_help []
static pthread_t t
static int timestampevents
static int webmanager_enabled = 0
static int webregged = 0


Detailed Description

The Asterisk Management Interface - AMI.

Author:
Mark Spencer <markster@digium.com>
Channel Management and more

manager.conf

Definition in file manager.c.


Enumeration Type Documentation

anonymous enum

Enumerator:
FORMAT_RAW 
FORMAT_HTML 
FORMAT_XML 

Definition at line 2913 of file manager.c.

02913      {
02914    FORMAT_RAW,
02915    FORMAT_HTML,
02916    FORMAT_XML,
02917 };


Function Documentation

int astman_verify_session_readpermissions ( uint32_t  ident,
int  perm 
)

Verify a session's read permissions against a permission mask.

Parameters:
ident session identity
perm permission mask to verify
Returns:
1 if the session has the permission mask capabilities, otherwise 0

Definition at line 2875 of file manager.c.

References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_mutex_lock(), ast_mutex_unlock(), and s.

02876 {
02877    int result = 0;
02878    struct mansession_session *s;
02879 
02880    AST_LIST_LOCK(&sessions);
02881    AST_LIST_TRAVERSE(&sessions, s, list) {
02882       ast_mutex_lock(&s->__lock);
02883       if ((s->managerid == ident) && (s->readperm & perm)) {
02884          result = 1;
02885          ast_mutex_unlock(&s->__lock);
02886          break;
02887       }
02888       ast_mutex_unlock(&s->__lock);
02889    }
02890    AST_LIST_UNLOCK(&sessions);
02891    return result;
02892 }

int astman_verify_session_writepermissions ( uint32_t  ident,
int  perm 
)

Verify a session's write permissions against a permission mask.

Parameters:
ident session identity
perm permission mask to verify
Returns:
1 if the session has the permission mask capabilities, otherwise 0

Definition at line 2894 of file manager.c.

References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_mutex_lock(), ast_mutex_unlock(), and s.

02895 {
02896    int result = 0;
02897    struct mansession_session *s;
02898 
02899    AST_LIST_LOCK(&sessions);
02900    AST_LIST_TRAVERSE(&sessions, s, list) {
02901       ast_mutex_lock(&s->__lock);
02902       if ((s->managerid == ident) && (s->writeperm & perm)) {
02903          result = 1;
02904          ast_mutex_unlock(&s->__lock);
02905          break;
02906       }
02907       ast_mutex_unlock(&s->__lock);
02908    }
02909    AST_LIST_UNLOCK(&sessions);
02910    return result;
02911 }

static struct mansession_session* find_session ( uint32_t  ident  )  [static]

END Doxygen group

Definition at line 2857 of file manager.c.

References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_mutex_lock(), ast_mutex_unlock(), and s.

02858 {
02859    struct mansession_session *s;
02860 
02861    AST_LIST_LOCK(&sessions);
02862    AST_LIST_TRAVERSE(&sessions, s, list) {
02863       ast_mutex_lock(&s->__lock);
02864       if (s->sessiontimeout && (s->managerid == ident) && !s->needdestroy) {
02865          s->inuse++;
02866          break;
02867       }
02868       ast_mutex_unlock(&s->__lock);
02869    }
02870    AST_LIST_UNLOCK(&sessions);
02871 
02872    return s;
02873 }

static char* generic_http_callback ( int  format,
struct sockaddr_in *  requestor,
const char *  uri,
struct ast_variable params,
int *  status,
char **  title,
int *  contentlength 
) [static]

Definition at line 2920 of file manager.c.

References len(), ast_variable::name, ast_variable::next, s, and ast_variable::value.

Referenced by manager_http_callback(), mxml_http_callback(), and rawman_http_callback().

02921 {
02922    struct mansession_session *s = NULL;
02923    struct mansession ss = { .session = NULL, };
02924    uint32_t ident = 0;
02925    char workspace[512];
02926    char cookie[128];
02927    size_t len = sizeof(workspace);
02928    int blastaway = 0;
02929    char *c = workspace;
02930    char *retval = NULL;
02931    struct ast_variable *v;
02932 
02933    for (v = params; v; v = v->next) {
02934       if (!strcasecmp(v->name, "mansession_id")) {
02935          sscanf(v->value, "%30x", &ident);
02936          break;
02937       }
02938    }
02939    
02940    if (!(s = find_session(ident))) {
02941       /* Create new session */
02942       if (!(s = ast_calloc(1, sizeof(*s)))) {
02943          *status = 500;
02944          goto generic_callback_out;
02945       }
02946       memcpy(&s->sin, requestor, sizeof(s->sin));
02947       s->fd = -1;
02948       s->waiting_thread = AST_PTHREADT_NULL;
02949       s->send_events = 0;
02950       ast_mutex_init(&s->__lock);
02951       ast_mutex_lock(&s->__lock);
02952       s->inuse = 1;
02953       /*!\note There is approximately a 1 in 1.8E19 chance that the following
02954        * calculation will produce 0, which is an invalid ID, but due to the
02955        * properties of the rand() function (and the constantcy of s), that
02956        * won't happen twice in a row.
02957        */
02958       while ((s->managerid = rand() ^ (unsigned long) s) == 0);
02959       AST_LIST_LOCK(&sessions);
02960       AST_LIST_INSERT_HEAD(&sessions, s, list);
02961       /* Hook into the last spot in the event queue */
02962       s->eventq = master_eventq;
02963       while (s->eventq->next)
02964          s->eventq = s->eventq->next;
02965       ast_atomic_fetchadd_int(&s->eventq->usecount, 1);
02966       ast_atomic_fetchadd_int(&num_sessions, 1);
02967       AST_LIST_UNLOCK(&sessions);
02968    }
02969 
02970    /* Reset HTTP timeout.  If we're not yet authenticated, keep it extremely short */
02971    time(&s->sessiontimeout);
02972    if (!s->authenticated && (httptimeout > 5))
02973       s->sessiontimeout += 5;
02974    else
02975       s->sessiontimeout += httptimeout;
02976    ss.session = s;
02977    ast_mutex_unlock(&s->__lock);
02978 
02979    ss.f = tmpfile();
02980    ss.fd = fileno(ss.f);
02981 
02982    if (s) {
02983       struct message m = { 0 };
02984       char tmp[80];
02985       unsigned int x;
02986       size_t hdrlen;
02987 
02988       for (x = 0, v = params; v && (x < AST_MAX_MANHEADERS); x++, v = v->next) {
02989          hdrlen = strlen(v->name) + strlen(v->value) + 3;
02990          m.headers[m.hdrcount] = alloca(hdrlen);
02991          snprintf((char *) m.headers[m.hdrcount], hdrlen, "%s: %s", v->name, v->value);
02992          m.hdrcount = x + 1;
02993       }
02994 
02995       if (process_message(&ss, &m)) {
02996          if (s->authenticated) {
02997             if (option_verbose > 1) {
02998                if (displayconnects) 
02999                   ast_verbose(VERBOSE_PREFIX_2 "HTTP Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(s->sin.sin_addr));    
03000             }
03001             ast_log(LOG_EVENT, "HTTP Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(s->sin.sin_addr));
03002          } else {
03003             if (option_verbose > 1) {
03004                if (displayconnects)
03005                   ast_verbose(VERBOSE_PREFIX_2 "HTTP Connect attempt from '%s' unable to authenticate\n", ast_inet_ntoa(s->sin.sin_addr));
03006             }
03007             ast_log(LOG_EVENT, "HTTP Failed attempt from %s\n", ast_inet_ntoa(s->sin.sin_addr));
03008          }
03009          s->needdestroy = 1;
03010       }
03011       ast_build_string(&c, &len, "Content-type: text/%s\r\n", contenttype[format]);
03012       sprintf(tmp, "%08x", s->managerid);
03013       ast_build_string(&c, &len, "%s\r\n", ast_http_setcookie("mansession_id", tmp, httptimeout, cookie, sizeof(cookie)));
03014       if (format == FORMAT_HTML)
03015          ast_build_string(&c, &len, "<title>Asterisk&trade; Manager Interface</title>");
03016       if (format == FORMAT_XML) {
03017          ast_build_string(&c, &len, "<ajax-response>\n");
03018       } else if (format == FORMAT_HTML) {
03019          ast_build_string(&c, &len, "<body bgcolor=\"#ffffff\"><table align=center bgcolor=\"#f1f1f1\" width=\"500\">\r\n");
03020          ast_build_string(&c, &len, "<tr><td colspan=\"2\" bgcolor=\"#f1f1ff\"><h1>&nbsp;&nbsp;Manager Tester</h1></td></tr>\r\n");
03021       }
03022       ast_mutex_lock(&s->__lock);
03023       if (ss.fd > -1) {
03024          char *buf;
03025          size_t l;
03026 
03027          /* Ensure buffer is NULL-terminated */
03028          fprintf(ss.f, "%c", 0);
03029 
03030          if ((l = lseek(ss.fd, 0, SEEK_END)) > 0) {
03031             if (MAP_FAILED == (buf = mmap(NULL, l, PROT_READ | PROT_WRITE, MAP_PRIVATE, ss.fd, 0))) {
03032                ast_log(LOG_WARNING, "mmap failed.  Manager request output was not processed\n");
03033             } else {
03034                char *tmpbuf;
03035                if (format == FORMAT_XML)
03036                   tmpbuf = xml_translate(buf, params);
03037                else if (format == FORMAT_HTML)
03038                   tmpbuf = html_translate(buf);
03039                else
03040                   tmpbuf = buf;
03041                if (tmpbuf) {
03042                   size_t wlen, tlen;
03043                   if ((retval = malloc((wlen = strlen(workspace)) + (tlen = strlen(tmpbuf)) + 128))) {
03044                      strcpy(retval, workspace);
03045                      strcpy(retval + wlen, tmpbuf);
03046                      c = retval + wlen + tlen;
03047                      /* Leftover space for footer, if any */
03048                      len = 120;
03049                   }
03050                }
03051                if (tmpbuf != buf)
03052                   free(tmpbuf);
03053                free(s->outputstr);
03054                s->outputstr = NULL;
03055                munmap(buf, l);
03056             }
03057          }
03058          fclose(ss.f);
03059          ss.f = NULL;
03060          ss.fd = -1;
03061       } else if (s->outputstr) {
03062          char *tmp;
03063          if (format == FORMAT_XML)
03064             tmp = xml_translate(s->outputstr->str, params);
03065          else if (format == FORMAT_HTML)
03066             tmp = html_translate(s->outputstr->str);
03067          else
03068             tmp = s->outputstr->str;
03069          if (tmp) {
03070             retval = malloc(strlen(workspace) + strlen(tmp) + 128);
03071             if (retval) {
03072                strcpy(retval, workspace);
03073                strcpy(retval + strlen(retval), tmp);
03074                c = retval + strlen(retval);
03075                len = 120;
03076             }
03077          }
03078          if (tmp != s->outputstr->str)
03079             free(tmp);
03080          free(s->outputstr);
03081          s->outputstr = NULL;
03082       }
03083       ast_mutex_unlock(&s->__lock);
03084       /* Still okay because c would safely be pointing to workspace even
03085          if retval failed to allocate above */
03086       if (format == FORMAT_XML) {
03087          ast_build_string(&c, &len, "</ajax-response>\n");
03088       } else if (format == FORMAT_HTML)
03089          ast_build_string(&c, &len, "</table></body>\r\n");
03090    } else {
03091       *status = 500;
03092       *title = strdup("Server Error");
03093    }
03094    ast_mutex_lock(&s->__lock);
03095    if (s->needdestroy) {
03096       if (s->inuse == 1) {
03097          ast_log(LOG_DEBUG, "Need destroy, doing it now!\n");
03098          blastaway = 1;
03099       } else {
03100          ast_log(LOG_DEBUG, "Need destroy, but can't do it yet!\n");
03101          if (s->waiting_thread != AST_PTHREADT_NULL)
03102             pthread_kill(s->waiting_thread, SIGURG);
03103          s->inuse--;
03104       }
03105    } else
03106       s->inuse--;
03107    ast_mutex_unlock(&s->__lock);
03108    
03109    if (blastaway)
03110       destroy_session(s);
03111 generic_callback_out:
03112    if (*status != 200)
03113       return ast_http_error(500, "Server Error", NULL, "Internal Server Error (out of memory)\n"); 
03114    return retval;
03115 }

int init_manager ( void   ) 

Called by Asterisk initialization

Definition at line 3156 of file manager.c.

References action_atxfer(), action_command(), action_coresettings(), action_corestatus(), action_events(), action_extensionstate(), action_getconfig(), action_getvar(), action_hangup(), action_listcommands(), action_logoff(), action_mailboxcount(), action_mailboxstatus(), action_originate(), action_ping(), action_redirect(), action_setvar(), action_status(), action_timeout(), action_updateconfig(), action_userevent(), action_waitevent(), append_event(), asock, ast_calloc, ast_category_browse(), ast_cli_register_multiple(), ast_config_load(), ast_copy_string(), ast_extension_state_add(), ast_get_manager_by_name_locked(), AST_LIST_INSERT_TAIL, AST_LIST_LOCK, ast_log(), ast_manager_register, ast_manager_register2(), ast_strdup, ast_true(), ast_variable_browse(), ast_variable_retrieve(), block_sockets, cli_manager, DEFAULT_MANAGER_PORT, ast_manager_user::deny, displayconnects, ast_manager_user::displayconnects, EVENT_FLAG_CALL, EVENT_FLAG_COMMAND, EVENT_FLAG_CONFIG, EVENT_FLAG_SYSTEM, EVENT_FLAG_USER, ast_channel::flags, free, ast_manager_user::keep, LOG_DEBUG, LOG_WARNING, manager_enabled, manager_state_cb(), mandescr_atxfer, mandescr_command, mandescr_events, mandescr_extensionstate, mandescr_getconfig, mandescr_getvar, mandescr_hangup, mandescr_listcommands, mandescr_logoff, mandescr_mailboxcount, mandescr_mailboxstatus, mandescr_originate, mandescr_ping, mandescr_redirect, mandescr_setvar, mandescr_timeout, mandescr_updateconfig, mandescr_userevent, mandescr_waitevent, ast_manager_user::permit, portno, ast_manager_user::read, ast_manager_user::secret, timestampevents, var, webmanager_enabled, and ast_manager_user::write.

Referenced by main(), and reload_manager().

03157 {
03158    struct ast_config *cfg = NULL, *ucfg = NULL;
03159    const char *val;
03160    char *cat = NULL;
03161    int oldportno = portno;
03162    static struct sockaddr_in ba;
03163    int x = 1;
03164    int flags;
03165    int newhttptimeout = 60;
03166    struct ast_manager_user *user = NULL;
03167 
03168    if (!registered) {
03169       /* Register default actions */
03170       ast_manager_register2("Ping", 0, action_ping, "Keepalive command", mandescr_ping);
03171       ast_manager_register2("Events", 0, action_events, "Control Event Flow", mandescr_events);
03172       ast_manager_register2("Logoff", 0, action_logoff, "Logoff Manager", mandescr_logoff);
03173       ast_manager_register2("Hangup", EVENT_FLAG_CALL, action_hangup, "Hangup Channel", mandescr_hangup);
03174       ast_manager_register("Status", EVENT_FLAG_CALL, action_status, "Lists channel status" );
03175       ast_manager_register2("Setvar", EVENT_FLAG_CALL, action_setvar, "Set Channel Variable", mandescr_setvar );
03176       ast_manager_register2("Getvar", EVENT_FLAG_CALL, action_getvar, "Gets a Channel Variable", mandescr_getvar );
03177       ast_manager_register2("GetConfig", EVENT_FLAG_CONFIG, action_getconfig, "Retrieve configuration", mandescr_getconfig);
03178       ast_manager_register2("UpdateConfig", EVENT_FLAG_CONFIG, action_updateconfig, "Update basic configuration", mandescr_updateconfig);
03179       ast_manager_register2("Redirect", EVENT_FLAG_CALL, action_redirect, "Redirect (transfer) a call", mandescr_redirect );
03180       ast_manager_register2("Atxfer", EVENT_FLAG_CALL, action_atxfer, "Attended transfer", mandescr_atxfer );
03181       ast_manager_register2("Originate", EVENT_FLAG_CALL, action_originate, "Originate Call", mandescr_originate);
03182       ast_manager_register2("Command", EVENT_FLAG_COMMAND, action_command, "Execute Asterisk CLI Command", mandescr_command );
03183       ast_manager_register2("ExtensionState", EVENT_FLAG_CALL, action_extensionstate, "Check Extension Status", mandescr_extensionstate );
03184       ast_manager_register2("AbsoluteTimeout", EVENT_FLAG_CALL, action_timeout, "Set Absolute Timeout", mandescr_timeout );
03185       ast_manager_register2("MailboxStatus", EVENT_FLAG_CALL, action_mailboxstatus, "Check Mailbox", mandescr_mailboxstatus );
03186       ast_manager_register2("MailboxCount", EVENT_FLAG_CALL, action_mailboxcount, "Check Mailbox Message Count", mandescr_mailboxcount );
03187       ast_manager_register2("ListCommands", 0, action_listcommands, "List available manager commands", mandescr_listcommands);
03188       ast_manager_register2("UserEvent", EVENT_FLAG_USER, action_userevent, "Send an arbitrary event", mandescr_userevent);
03189       ast_manager_register2("CoreSettings", EVENT_FLAG_SYSTEM, action_coresettings, "Show PBX core settings (version etc)", mandescr_coresettings);
03190       ast_manager_register2("CoreStatus", EVENT_FLAG_SYSTEM, action_corestatus, "Show PBX core status variables", mandescr_corestatus);
03191       ast_manager_register2("WaitEvent", 0, action_waitevent, "Wait for an event to occur", mandescr_waitevent);
03192 
03193       ast_cli_register_multiple(cli_manager, sizeof(cli_manager) / sizeof(struct ast_cli_entry));
03194       ast_extension_state_add(NULL, NULL, manager_state_cb, NULL);
03195       registered = 1;
03196       /* Append placeholder event so master_eventq never runs dry */
03197       append_event("Event: Placeholder\r\n\r\n", 0);
03198    }
03199    portno = DEFAULT_MANAGER_PORT;
03200    displayconnects = 1;
03201    cfg = ast_config_load("manager.conf");
03202    if (!cfg) {
03203       ast_log(LOG_NOTICE, "Unable to open management configuration manager.conf.  Call management disabled.\n");
03204       return 0;
03205    }
03206    if ((val = ast_variable_retrieve(cfg, "general", "enabled"))) {
03207       manager_enabled = ast_true(val);
03208    }
03209    if ((val = ast_variable_retrieve(cfg, "general", "block-sockets"))) {
03210       block_sockets = ast_true(val);
03211    }
03212    if((val = ast_variable_retrieve(cfg, "general", "webenabled"))) {
03213       webmanager_enabled = ast_true(val);
03214    }
03215    if ((val = ast_variable_retrieve(cfg, "general", "port"))) {
03216       if (sscanf(val, "%5d", &portno) != 1) {
03217          ast_log(LOG_WARNING, "Invalid port number '%s'\n", val);
03218          portno = DEFAULT_MANAGER_PORT;
03219       }
03220    }
03221 
03222    if ((val = ast_variable_retrieve(cfg, "general", "displayconnects"))) {
03223       displayconnects = ast_true(val);
03224    }
03225    if ((val = ast_variable_retrieve(cfg, "general", "timestampevents"))) {
03226       timestampevents = ast_true(val);
03227    }
03228    if ((val = ast_variable_retrieve(cfg, "general", "httptimeout"))) {
03229       newhttptimeout = atoi(val);
03230    }
03231 
03232    memset(&ba, 0, sizeof(ba));
03233    ba.sin_family = AF_INET;
03234    ba.sin_port = htons(portno);
03235 
03236    if ((val = ast_variable_retrieve(cfg, "general", "bindaddr"))) {
03237       if (!inet_aton(val, &ba.sin_addr)) { 
03238          ast_log(LOG_WARNING, "Invalid address '%s' specified, using 0.0.0.0\n", val);
03239          memset(&ba.sin_addr, 0, sizeof(ba.sin_addr));
03240       }
03241    }
03242    
03243 
03244    if ((asock > -1) && ((portno != oldportno) || !manager_enabled)) {
03245 #if 0
03246       /* Can't be done yet */
03247       close(asock);
03248       asock = -1;
03249 #else
03250       ast_log(LOG_WARNING, "Unable to change management port / enabled\n");
03251 #endif
03252    }
03253 
03254    AST_LIST_LOCK(&users);
03255 
03256    if ((ucfg = ast_config_load("users.conf"))) {
03257       while ((cat = ast_category_browse(ucfg, cat))) {
03258          int hasmanager = 0;
03259          struct ast_variable *var = NULL;
03260 
03261          if (!strcasecmp(cat, "general")) {
03262             continue;
03263          }
03264 
03265          if (!(hasmanager = ast_true(ast_variable_retrieve(ucfg, cat, "hasmanager")))) {
03266             continue;
03267          }
03268 
03269          /* Look for an existing entry, if none found - create one and add it to the list */
03270          if (!(user = ast_get_manager_by_name_locked(cat))) {
03271             if (!(user = ast_calloc(1, sizeof(*user)))) {
03272                break;
03273             }
03274             /* Copy name over */
03275             ast_copy_string(user->username, cat, sizeof(user->username));
03276             /* Insert into list */
03277             AST_LIST_INSERT_TAIL(&users, user, list);
03278          }
03279 
03280          /* Make sure we keep this user and don't destroy it during cleanup */
03281          user->keep = 1;
03282 
03283          for (var = ast_variable_browse(ucfg, cat); var; var = var->next) {
03284             if (!strcasecmp(var->name, "secret")) {
03285                if (user->secret) {
03286                   free(user->secret);
03287                }
03288                user->secret = ast_strdup(var->value);
03289             } else if (!strcasecmp(var->name, "deny") ) {
03290                if (user->deny) {
03291                   free(user->deny);
03292                }
03293                user->deny = ast_strdup(var->value);
03294             } else if (!strcasecmp(var->name, "permit") ) {
03295                if (user->permit) {
03296                   free(user->permit);
03297                }
03298                user->permit = ast_strdup(var->value);
03299             } else if (!strcasecmp(var->name, "read") ) {
03300                if (user->read) {
03301                   free(user->read);
03302                }
03303                user->read = ast_strdup(var->value);
03304             } else if (!strcasecmp(var->name, "write") ) {
03305                if (user->write) {
03306                   free(user->write);
03307                }
03308                user->write = ast_strdup(var->value);
03309             } else if (!strcasecmp(var->name, "displayconnects") ) {
03310                user->displayconnects = ast_true(var->value);
03311             } else if (!strcasecmp(var->name, "hasmanager")) {
03312                /* already handled */
03313             } else {
03314                ast_log(LOG_DEBUG, "%s is an unknown option (to the manager module).\n", var->name);
03315             }
03316          }
03317       }
03318       ast_config_destroy(ucfg);
03319    }
03320 
03321    while ((cat = ast_category_browse(cfg, cat))) {
03322       struct ast_variable *var = NULL;
03323 
03324       if (!strcasecmp(cat, "general"))
03325          continue;
03326 
03327       /* Look for an existing entry, if none found - create one and add it to the list */
03328       if (!(user = ast_get_manager_by_name_locked(cat))) {
03329          if (!(user = ast_calloc(1, sizeof(*user))))
03330             break;
03331          /* Copy name over */
03332          ast_copy_string(user->username, cat, sizeof(user->username));
03333          /* Insert into list */
03334          AST_LIST_INSERT_TAIL(&users, user, list);
03335       }
03336 
03337       /* Make sure we keep this user and don't destroy it during cleanup */
03338       user->keep = 1;
03339 
03340       var = ast_variable_browse(cfg, cat);
03341       while (var) {
03342          if (!strcasecmp(var->name, "secret")) {
03343             if (user->secret)
03344                free(user->secret);
03345             user->secret = ast_strdup(var->value);
03346          } else if (!strcasecmp(var->name, "deny") ) {
03347             if (user->deny)
03348                free(user->deny);
03349             user->deny = ast_strdup(var->value);
03350          } else if (!strcasecmp(var->name, "permit") ) {
03351             if (user->permit)
03352                free(user->permit);
03353             user->permit = ast_strdup(var->value);
03354          }  else if (!strcasecmp(var->name, "read") ) {
03355             if (user->read)
03356                free(user->read);
03357             user->read = ast_strdup(var->value);
03358          }  else if (!strcasecmp(var->name, "write") ) {
03359             if (user->write)
03360                free(user->write);
03361             user->write = ast_strdup(var->value);
03362          }  else if (!strcasecmp(var->name, "displayconnects") )
03363             user->displayconnects = ast_true(var->value);
03364          else
03365             ast_log(LOG_DEBUG, "%s is an unknown option.\n", var->name);
03366          var = var->next;
03367       }
03368    }
03369 
03370    /* Perform cleanup - essentially prune out old users that no longer exist */
03371    AST_LIST_TRAVERSE_SAFE_BEGIN(&users, user, list) {
03372       if (user->keep) {
03373          user->keep = 0;
03374          continue;
03375       }
03376       /* We do not need to keep this user so take them out of the list */
03377       AST_LIST_REMOVE_CURRENT(&users, list);
03378       /* Free their memory now */
03379       if (user->secret)
03380          free(user->secret);
03381       if (user->deny)
03382          free(user->deny);
03383       if (user->permit)
03384          free(user->permit);
03385       if (user->read)
03386          free(user->read);
03387       if (user->write)
03388          free(user->write);
03389       free(user);
03390    }
03391    AST_LIST_TRAVERSE_SAFE_END
03392 
03393    AST_LIST_UNLOCK(&users);
03394 
03395    ast_config_destroy(cfg);
03396    
03397    if (webmanager_enabled && manager_enabled) {
03398       if (!webregged) {
03399          ast_http_uri_link(&rawmanuri);
03400          ast_http_uri_link(&manageruri);
03401          ast_http_uri_link(&managerxmluri);
03402          webregged = 1;
03403       }
03404    } else {
03405       if (webregged) {
03406          ast_http_uri_unlink(&rawmanuri);
03407          ast_http_uri_unlink(&manageruri);
03408          ast_http_uri_unlink(&managerxmluri);
03409          webregged = 0;
03410       }
03411    }
03412 
03413    if (newhttptimeout > 0)
03414       httptimeout = newhttptimeout;
03415 
03416    /* If not enabled, do nothing */
03417    if (!manager_enabled)
03418       return 0;
03419 
03420    if (asock < 0) {
03421       asock = socket(AF_INET, SOCK_STREAM, 0);
03422       if (asock < 0) {
03423          ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno));
03424          return -1;
03425       }
03426       setsockopt(asock, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x));
03427       if (bind(asock, (struct sockaddr *)&ba, sizeof(ba))) {
03428          ast_log(LOG_WARNING, "Unable to bind socket: %s\n", strerror(errno));
03429          close(asock);
03430          asock = -1;
03431          return -1;
03432       }
03433       if (listen(asock, 2)) {
03434          ast_log(LOG_WARNING, "Unable to listen on socket: %s\n", strerror(errno));
03435          close(asock);
03436          asock = -1;
03437          return -1;
03438       }
03439       flags = fcntl(asock, F_GETFL);
03440       fcntl(asock, F_SETFL, flags | O_NONBLOCK);
03441       if (option_verbose)
03442          ast_verbose("Asterisk Management interface listening on port %d\n", portno);
03443       ast_pthread_create_background(&t, NULL, accept_thread, NULL);
03444    }
03445    return 0;
03446 }

static char* manager_http_callback ( struct sockaddr_in *  requestor,
const char *  uri,
struct ast_variable params,
int *  status,
char **  title,
int *  contentlength 
) [static]

Definition at line 3117 of file manager.c.

References FORMAT_HTML, and generic_http_callback().

03118 {
03119    return generic_http_callback(FORMAT_HTML, requestor, uri, params, status, title, contentlength);
03120 }

static char* mxml_http_callback ( struct sockaddr_in *  requestor,
const char *  uri,
struct ast_variable params,
int *  status,
char **  title,
int *  contentlength 
) [static]

Definition at line 3122 of file manager.c.

References FORMAT_XML, and generic_http_callback().

03123 {
03124    return generic_http_callback(FORMAT_XML, requestor, uri, params, status, title, contentlength);
03125 }

static char* rawman_http_callback ( struct sockaddr_in *  requestor,
const char *  uri,
struct ast_variable params,
int *  status,
char **  title,
int *  contentlength 
) [static]

Definition at line 3127 of file manager.c.

References FORMAT_RAW, and generic_http_callback().

03128 {
03129    return generic_http_callback(FORMAT_RAW, requestor, uri, params, status, title, contentlength);
03130 }

int reload_manager ( void   ) 

Definition at line 3448 of file manager.c.

References EVENT_FLAG_SYSTEM, init_manager(), and manager_event().

03449 {
03450    manager_event(EVENT_FLAG_SYSTEM, "Reload", "Message: Reload Requested\r\n");
03451    return init_manager();
03452 }


Variable Documentation

char* contenttype[] = { "plain", "html", "xml" } [static]

Definition at line 2918 of file manager.c.

struct ast_http_uri manageruri

Definition at line 3139 of file manager.c.

struct ast_http_uri managerxmluri

Definition at line 3146 of file manager.c.

struct ast_http_uri rawmanuri

Definition at line 3132 of file manager.c.

int registered = 0 [static]

Definition at line 3153 of file manager.c.

int webregged = 0 [static]

Definition at line 3154 of file manager.c.

char* words[AST_MAX_CMD_LEN]

Definition at line 141 of file manager.c.

Referenced by check_blacklist().


Generated on Thu Dec 17 13:34:01 2009 for Asterisk - the Open Source PBX by  doxygen 1.4.7