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Diffstat (limited to 'main/manager.c')
| -rw-r--r-- | main/manager.c | 3194 |
1 files changed, 3194 insertions, 0 deletions
diff --git a/main/manager.c b/main/manager.c new file mode 100644 index 000000000..c0245ad2a --- /dev/null +++ b/main/manager.c @@ -0,0 +1,3194 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2006, Digium, Inc. + * + * Mark Spencer <markster@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief The Asterisk Management Interface - AMI + * + * \author Mark Spencer <markster@digium.com> + * + * Channel Management and more + * + * \ref amiconf + */ + +/*! \addtogroup Group_AMI AMI functions +*/ +/*! @{ + Doxygen group */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#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 "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" + +struct fast_originate_helper { + char tech[AST_MAX_EXTENSION]; + /*! data can contain a channel name, extension number, username, password, etc. */ + char data[512]; + int timeout; + int format; + char app[AST_MAX_APP]; + char appdata[AST_MAX_EXTENSION]; + char cid_name[AST_MAX_EXTENSION]; + char cid_num[AST_MAX_EXTENSION]; + char context[AST_MAX_CONTEXT]; + char exten[AST_MAX_EXTENSION]; + char idtext[AST_MAX_EXTENSION]; + char account[AST_MAX_ACCOUNT_CODE]; + int priority; + struct ast_variable *vars; +}; + +struct eventqent { + int usecount; + int category; + struct eventqent *next; + char eventdata[1]; +}; + +static int enabled; +static int portno = DEFAULT_MANAGER_PORT; +static int asock = -1; +static int displayconnects = 1; +static int timestampevents; +static int httptimeout = 60; + +static pthread_t t; +static int block_sockets; +static int num_sessions; + +/* Protected by the sessions list lock */ +struct eventqent *master_eventq = NULL; + +AST_THREADSTORAGE(manager_event_buf, manager_event_buf_init); +#define MANAGER_EVENT_BUF_INITSIZE 256 + +AST_THREADSTORAGE(astman_append_buf, astman_append_buf_init); +#define ASTMAN_APPEND_BUF_INITSIZE 256 + +static struct permalias { + int num; + char *label; +} perms[] = { + { EVENT_FLAG_SYSTEM, "system" }, + { EVENT_FLAG_CALL, "call" }, + { EVENT_FLAG_LOG, "log" }, + { EVENT_FLAG_VERBOSE, "verbose" }, + { EVENT_FLAG_COMMAND, "command" }, + { EVENT_FLAG_AGENT, "agent" }, + { EVENT_FLAG_USER, "user" }, + { EVENT_FLAG_CONFIG, "config" }, + { -1, "all" }, + { 0, "none" }, +}; + +#define MAX_BLACKLIST_CMD_LEN 2 +static struct { + char *words[AST_MAX_CMD_LEN]; +} command_blacklist[] = { + {{ "module", "load", NULL }}, + {{ "module", "unload", NULL }}, + {{ "restart", "gracefully", NULL }}, +}; + +struct mansession { + /*! Execution thread */ + pthread_t t; + /*! Thread lock -- don't use in action callbacks, it's already taken care of */ + ast_mutex_t __lock; + /*! socket address */ + struct sockaddr_in sin; + /*! TCP socket */ + int fd; + /*! Whether an HTTP manager is in use */ + int inuse; + /*! Whether an HTTP session should be destroyed */ + int needdestroy; + /*! Whether an HTTP session has someone waiting on events */ + pthread_t waiting_thread; + /*! Unique manager identifer */ + uint32_t managerid; + /*! Session timeout if HTTP */ + time_t sessiontimeout; + /*! Output from manager interface */ + struct ast_dynamic_str *outputstr; + /*! Logged in username */ + char username[80]; + /*! Authentication challenge */ + char challenge[10]; + /*! Authentication status */ + int authenticated; + /*! Authorization for reading */ + int readperm; + /*! Authorization for writing */ + int writeperm; + /*! Buffer */ + char inbuf[1024]; + int inlen; + int send_events; + int displaysystemname; /*!< Add system name to manager responses and events */ + /* Queued events that we've not had the ability to send yet */ + struct eventqent *eventq; + /* Timeout for ast_carefulwrite() */ + int writetimeout; + int pending_event; /*!< Pending events indicator in case when waiting_thread is NULL */ + AST_LIST_ENTRY(mansession) list; +}; + +static AST_LIST_HEAD_STATIC(sessions, mansession); + +struct ast_manager_user { + char username[80]; + char *secret; + char *deny; + char *permit; + char *read; + char *write; + unsigned int displayconnects:1; + int keep; + AST_LIST_ENTRY(ast_manager_user) list; +}; + +static AST_LIST_HEAD_STATIC(users, ast_manager_user); + +static struct manager_action *first_action; +AST_RWLOCK_DEFINE_STATIC(actionlock); + +/*! \brief Convert authority code to string with serveral options */ +static char *authority_to_str(int authority, char *res, int reslen) +{ + int running_total = 0, i; + + memset(res, 0, reslen); + for (i = 0; i < (sizeof(perms) / sizeof(perms[0])) - 1; i++) { + if (authority & perms[i].num) { + if (*res) { + strncat(res, ",", (reslen > running_total) ? reslen - running_total - 1 : 0); + running_total++; + } + strncat(res, perms[i].label, (reslen > running_total) ? reslen - running_total - 1 : 0); + running_total += strlen(perms[i].label); + } + } + + if (ast_strlen_zero(res)) + ast_copy_string(res, "<none>", reslen); + + return res; +} + +static char *complete_show_mancmd(const char *line, const char *word, int pos, int state) +{ + struct manager_action *cur; + int which = 0; + char *ret = NULL; + + ast_rwlock_rdlock(&actionlock); + for (cur = first_action; cur; cur = cur->next) { /* Walk the list of actions */ + if (!strncasecmp(word, cur->action, strlen(word)) && ++which > state) { + ret = ast_strdup(cur->action); + break; /* make sure we exit even if ast_strdup() returns NULL */ + } + } + ast_rwlock_unlock(&actionlock); + + return ret; +} + +static void xml_copy_escape(char **dst, size_t *maxlen, const char *src, int lower) +{ + while (*src && (*maxlen > 6)) { + switch (*src) { + case '<': + strcpy(*dst, "<"); + (*dst) += 4; + *maxlen -= 4; + break; + case '>': + strcpy(*dst, ">"); + (*dst) += 4; + *maxlen -= 4; + break; + case '\"': + strcpy(*dst, """); + (*dst) += 6; + *maxlen -= 6; + break; + case '\'': + strcpy(*dst, "'"); + (*dst) += 6; + *maxlen -= 6; + break; + case '&': + strcpy(*dst, "&"); + (*dst) += 5; + *maxlen -= 5; + break; + default: + *(*dst)++ = lower ? tolower(*src) : *src; + (*maxlen)--; + } + src++; + } +} + +struct variable_count { + char *varname; + int count; +}; + +static int compress_char(char c) +{ + c &= 0x7f; + if (c < 32) + return 0; + else if (c >= 'a' && c <= 'z') + return c - 64; + else if (c > 'z') + return '_'; + else + return c - 32; +} + +static int variable_count_hash_fn(const void *vvc, const int flags) +{ + const struct variable_count *vc = vvc; + int res = 0, i; + for (i = 0; i < 5; i++) { + if (vc->varname[i] == '\0') + break; + res += compress_char(vc->varname[i]) << (i * 6); + } + return res; +} + +static int variable_count_cmp_fn(void *obj, void *vstr, int flags) +{ + /* Due to the simplicity of struct variable_count, it makes no difference + * if you pass in objects or strings, the same operation applies. This is + * due to the fact that the hash occurs on the first element, which means + * the address of both the struct and the string are exactly the same. */ + struct variable_count *vc = obj; + char *str = vstr; + return !strcmp(vc->varname, str) ? CMP_MATCH | CMP_STOP : 0; +} + +static char *xml_translate(char *in, struct ast_variable *vars) +{ + struct ast_variable *v; + char *dest = NULL; + char *out, *tmp, *var, *val; + char *objtype = NULL; + int colons = 0; + int breaks = 0; + size_t len; + int count = 1; + int escaped = 0; + int inobj = 0; + int x; + struct variable_count *vc = NULL; + struct ao2_container *vco = NULL; + + for (v = vars; v; v = v->next) { + if (!dest && !strcasecmp(v->name, "ajaxdest")) + dest = v->value; + else if (!objtype && !strcasecmp(v->name, "ajaxobjtype")) + objtype = v->value; + } + if (!dest) + dest = "unknown"; + if (!objtype) + objtype = "generic"; + for (x = 0; in[x]; x++) { + if (in[x] == ':') + colons++; + else if (in[x] == '\n') + breaks++; + else if (strchr("&\"<>\'", in[x])) + escaped++; + } + len = (size_t) (strlen(in) + colons * 5 + breaks * (40 + strlen(dest) + strlen(objtype)) + escaped * 10); /* foo="bar", "<response type=\"object\" id=\"dest\"", "&" */ + out = ast_malloc(len); + if (!out) + return 0; + tmp = out; + while (*in) { + var = in; + while (*in && (*in >= 32)) + in++; + if (*in) { + if ((count > 3) && inobj) { + ast_build_string(&tmp, &len, " /></response>\n"); + inobj = 0; + + /* Entity is closed, so close out the name cache */ + ao2_ref(vco, -1); + vco = NULL; + } + count = 0; + while (*in && (*in < 32)) { + *in = '\0'; + in++; + count++; + } + val = strchr(var, ':'); + if (val) { + *val = '\0'; + val++; + if (*val == ' ') + val++; + if (!inobj) { + vco = ao2_container_alloc(37, variable_count_hash_fn, variable_count_cmp_fn); + ast_build_string(&tmp, &len, "<response type='object' id='%s'><%s", dest, objtype); + inobj = 1; + } + + /* Check if the var has been used already */ + if ((vc = ao2_find(vco, var, 0))) + vc->count++; + else { + /* Create a new entry for this one */ + vc = ao2_alloc(sizeof(*vc), NULL); + vc->varname = var; + vc->count = 1; + ao2_link(vco, vc); + } + + ast_build_string(&tmp, &len, " "); + xml_copy_escape(&tmp, &len, var, 1); + if (vc->count > 1) + ast_build_string(&tmp, &len, "-%d", vc->count); + ast_build_string(&tmp, &len, "='"); + xml_copy_escape(&tmp, &len, val, 0); + ast_build_string(&tmp, &len, "'"); + ao2_ref(vc, -1); + } + } + } + if (inobj) + ast_build_string(&tmp, &len, " /></response>\n"); + if (vco) + ao2_ref(vco, -1); + return out; +} + +static char *html_translate(char *in) +{ + int x; + int colons = 0; + int breaks = 0; + size_t len; + int count = 1; + char *tmp, *var, *val, *out; + + for (x=0; in[x]; x++) { + if (in[x] == ':') + colons++; + if (in[x] == '\n') + breaks++; + } + len = strlen(in) + colons * 40 + breaks * 40; /* <tr><td></td><td></td></tr>, "<tr><td colspan=\"2\"><hr></td></tr> */ + out = ast_malloc(len); + if (!out) + return 0; + tmp = out; + while (*in) { + var = in; + while (*in && (*in >= 32)) + in++; + if (*in) { + if ((count % 4) == 0){ + ast_build_string(&tmp, &len, "<tr><td colspan=\"2\"><hr></td></tr>\r\n"); + } + count = 0; + while (*in && (*in < 32)) { + *in = '\0'; + in++; + count++; + } + val = strchr(var, ':'); + if (val) { + *val = '\0'; + val++; + if (*val == ' ') + val++; + ast_build_string(&tmp, &len, "<tr><td>%s</td><td>%s</td></tr>\r\n", var, val); + } + } + } + return out; +} + + + +static struct ast_manager_user *ast_get_manager_by_name_locked(const char *name) +{ + struct ast_manager_user *user = NULL; + + AST_LIST_TRAVERSE(&users, user, list) + if (!strcasecmp(user->username, name)) + break; + return user; +} + +void astman_append(struct mansession *s, const char *fmt, ...) +{ + va_list ap; + struct ast_dynamic_str *buf; + + ast_mutex_lock(&s->__lock); + + if (!(buf = ast_dynamic_str_thread_get(&astman_append_buf, ASTMAN_APPEND_BUF_INITSIZE))) { + ast_mutex_unlock(&s->__lock); + return; + } + + va_start(ap, fmt); + ast_dynamic_str_thread_set_va(&buf, 0, &astman_append_buf, fmt, ap); + va_end(ap); + + if (s->fd > -1) + ast_carefulwrite(s->fd, buf->str, strlen(buf->str), s->writetimeout); + else { + if (!s->outputstr && !(s->outputstr = ast_calloc(1, sizeof(*s->outputstr)))) { + ast_mutex_unlock(&s->__lock); + return; + } + + ast_dynamic_str_append(&s->outputstr, 0, "%s", buf->str); + } + + ast_mutex_unlock(&s->__lock); +} + +static int handle_showmancmd(int fd, int argc, char *argv[]) +{ + struct manager_action *cur; + char authority[80]; + int num; + + if (argc != 4) + return RESULT_SHOWUSAGE; + + ast_rwlock_rdlock(&actionlock); + for (cur = first_action; cur; cur = cur->next) { /* Walk the list of actions */ + for (num = 3; num < argc; num++) { + if (!strcasecmp(cur->action, argv[num])) { + 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 : ""); + } + } + } + ast_rwlock_unlock(&actionlock); + + return RESULT_SUCCESS; +} + +static int handle_showmanager(int fd, int argc, char *argv[]) +{ + struct ast_manager_user *user = NULL; + + if (argc != 4) + return RESULT_SHOWUSAGE; + + AST_LIST_LOCK(&users); + + if (!(user = ast_get_manager_by_name_locked(argv[3]))) { + ast_cli(fd, "There is no manager called %s\n", argv[3]); + AST_LIST_UNLOCK(&users); + return -1; + } + + ast_cli(fd,"\n"); + ast_cli(fd, + " username: %s\n" + " secret: %s\n" + " deny: %s\n" + " permit: %s\n" + " read: %s\n" + " write: %s\n" + "displayconnects: %s\n", + (user->username ? user->username : "(N/A)"), + (user->secret ? "<Set>" : "(N/A)"), + (user->deny ? user->deny : "(N/A)"), + (user->permit ? user->permit : "(N/A)"), + (user->read ? user->read : "(N/A)"), + (user->write ? user->write : "(N/A)"), + (user->displayconnects ? "yes" : "no")); + + AST_LIST_UNLOCK(&users); + + return RESULT_SUCCESS; +} + + +static int handle_showmanagers(int fd, int argc, char *argv[]) +{ + struct ast_manager_user *user = NULL; + int count_amu = 0; + + if (argc != 3) + return RESULT_SHOWUSAGE; + + AST_LIST_LOCK(&users); + + /* If there are no users, print out something along those lines */ + if (AST_LIST_EMPTY(&users)) { + ast_cli(fd, "There are no manager users.\n"); + AST_LIST_UNLOCK(&users); + return RESULT_SUCCESS; + } + + ast_cli(fd, "\nusername\n--------\n"); + + AST_LIST_TRAVERSE(&users, user, list) { + ast_cli(fd, "%s\n", user->username); + count_amu++; + } + + AST_LIST_UNLOCK(&users); + + ast_cli(fd,"-------------------\n"); + ast_cli(fd,"%d manager users configured.\n", count_amu); + + return RESULT_SUCCESS; +} + + +/*! \brief CLI command + Should change to "manager show commands" */ +static int handle_showmancmds(int fd, int argc, char *argv[]) +{ + struct manager_action *cur; + char authority[80]; + char *format = " %-15.15s %-15.15s %-55.55s\n"; + + ast_cli(fd, format, "Action", "Privilege", "Synopsis"); + ast_cli(fd, format, "------", "---------", "--------"); + + ast_rwlock_rdlock(&actionlock); + for (cur = first_action; cur; cur = cur->next) /* Walk the list of actions */ + ast_cli(fd, format, cur->action, authority_to_str(cur->authority, authority, sizeof(authority) -1), cur->synopsis); + ast_rwlock_unlock(&actionlock); + + return RESULT_SUCCESS; +} + +/*! \brief CLI command show manager connected */ +/* Should change to "manager show connected" */ +static int handle_showmanconn(int fd, int argc, char *argv[]) +{ + struct mansession *s; + char *format = " %-15.15s %-15.15s\n"; + + ast_cli(fd, format, "Username", "IP Address"); + + AST_LIST_LOCK(&sessions); + AST_LIST_TRAVERSE(&sessions, s, list) + ast_cli(fd, format,s->username, ast_inet_ntoa(s->sin.sin_addr)); + AST_LIST_UNLOCK(&sessions); + + return RESULT_SUCCESS; +} + +/*! \brief CLI command show manager connected */ +/* Should change to "manager show connected" */ +static int handle_showmaneventq(int fd, int argc, char *argv[]) +{ + struct eventqent *s; + + AST_LIST_LOCK(&sessions); + for (s = master_eventq; s; s = s->next) { + ast_cli(fd, "Usecount: %d\n",s->usecount); + ast_cli(fd, "Category: %d\n", s->category); + ast_cli(fd, "Event:\n%s", s->eventdata); + } + AST_LIST_UNLOCK(&sessions); + + return RESULT_SUCCESS; +} + +static char showmancmd_help[] = +"Usage: manager show command <actionname>\n" +" Shows the detailed description for a specific Asterisk manager interface command.\n"; + +static char showmancmds_help[] = +"Usage: manager show commands\n" +" Prints a listing of all the available Asterisk manager interface commands.\n"; + +static char showmanconn_help[] = +"Usage: manager show connected\n" +" Prints a listing of the users that are currently connected to the\n" +"Asterisk manager interface.\n"; + +static char showmaneventq_help[] = +"Usage: manager show eventq\n" +" Prints a listing of all events pending in the Asterisk manger\n" +"event queue.\n"; + +static char showmanagers_help[] = +"Usage: manager show users\n" +" Prints a listing of all managers that are currently configured on that\n" +" system.\n"; + +static char showmanager_help[] = +" Usage: manager show user <user>\n" +" Display all information related to the manager user specified.\n"; + +static struct ast_cli_entry cli_show_manager_command_deprecated = { + { "show", "manager", "command", NULL }, + handle_showmancmd, NULL, + NULL, complete_show_mancmd }; + +static struct ast_cli_entry cli_show_manager_commands_deprecated = { + { "show", "manager", "commands", NULL }, + handle_showmancmds, NULL, + NULL }; + +static struct ast_cli_entry cli_show_manager_connected_deprecated = { + { "show", "manager", "connected", NULL }, + handle_showmanconn, NULL, + NULL }; + +static struct ast_cli_entry cli_show_manager_eventq_deprecated = { + { "show", "manager", "eventq", NULL }, + handle_showmaneventq, NULL, + NULL }; + +static struct ast_cli_entry cli_manager[] = { + { { "manager", "show", "command", NULL }, + handle_showmancmd, "Show a manager interface command", + showmancmd_help, complete_show_mancmd, &cli_show_manager_command_deprecated }, + + { { "manager", "show", "commands", NULL }, + handle_showmancmds, "List manager interface commands", + showmancmds_help, NULL, &cli_show_manager_commands_deprecated }, + + { { "manager", "show", "connected", NULL }, + handle_showmanconn, "List connected manager interface users", + showmanconn_help, NULL, &cli_show_manager_connected_deprecated }, + + { { "manager", "show", "eventq", NULL }, + handle_showmaneventq, "List manager interface queued events", + showmaneventq_help, NULL, &cli_show_manager_eventq_deprecated }, + + { { "manager", "show", "users", NULL }, + handle_showmanagers, "List configured manager users", + showmanagers_help, NULL, NULL }, + + { { "manager", "show", "user", NULL }, + handle_showmanager, "Display information on a specific manager user", + showmanager_help, NULL, NULL }, +}; + +static void unuse_eventqent(struct eventqent *e) +{ + if (ast_atomic_dec_and_test(&e->usecount) && e->next) + pthread_kill(t, SIGURG); +} + +static void free_session(struct mansession *s) +{ + struct eventqent *eqe; + if (s->fd > -1) + close(s->fd); + if (s->outputstr) + free(s->outputstr); + ast_mutex_destroy(&s->__lock); + while (s->eventq) { + eqe = s->eventq; + s->eventq = s->eventq->next; + unuse_eventqent(eqe); + } + free(s); +} + +static void destroy_session(struct mansession *s) +{ + AST_LIST_LOCK(&sessions); + AST_LIST_REMOVE(&sessions, s, list); + num_sessions--; + free_session(s); + AST_LIST_UNLOCK(&sessions); +} + +const char *astman_get_header(const struct message *m, char *var) +{ + char cmp[80]; + int x; + + snprintf(cmp, sizeof(cmp), "%s: ", var); + + for (x = 0; x < m->hdrcount; x++) { + if (!strncasecmp(cmp, m->headers[x], strlen(cmp))) + return m->headers[x] + strlen(cmp); + } + + return ""; +} + +struct ast_variable *astman_get_variables(const struct message *m) +{ + int varlen, x, y; + struct ast_variable *head = NULL, *cur; + char *var, *val; + + char *parse; + AST_DECLARE_APP_ARGS(args, + AST_APP_ARG(vars)[32]; + ); + + varlen = strlen("Variable: "); + + for (x = 0; x < m->hdrcount; x++) { + if (strncasecmp("Variable: ", m->headers[x], varlen)) + continue; + + parse = ast_strdupa(m->headers[x] + varlen); + + AST_STANDARD_APP_ARGS(args, parse); + if (args.argc) { + for (y = 0; y < args.argc; y++) { + if (!args.vars[y]) + continue; + var = val = ast_strdupa(args.vars[y]); + strsep(&val, "="); + if (!val || ast_strlen_zero(var)) + continue; + cur = ast_variable_new(var, val); + if (head) { + cur->next = head; + head = cur; + } else + head = cur; + } + } + } + + return head; +} + +/*! \note NOTE: + Callers of astman_send_error(), astman_send_response() or astman_send_ack() must EITHER + hold the session lock _or_ be running in an action callback (in which case s->busy will + be non-zero). In either of these cases, there is no need to lock-protect the session's + fd, since no other output will be sent (events will be queued), and no input will + be read until either the current action finishes or get_input() obtains the session + lock. + */ +void astman_send_error(struct mansession *s, const struct message *m, char *error) +{ + const char *id = astman_get_header(m,"ActionID"); + + astman_append(s, "Response: Error\r\n"); + if (!ast_strlen_zero(id)) + astman_append(s, "ActionID: %s\r\n", id); + astman_append(s, "Message: %s\r\n\r\n", error); +} + +void astman_send_response(struct mansession *s, const struct message *m, char *resp, char *msg) +{ + const char *id = astman_get_header(m,"ActionID"); + + astman_append(s, "Response: %s\r\n", resp); + if (!ast_strlen_zero(id)) + astman_append(s, "ActionID: %s\r\n", id); + if (msg) + astman_append(s, "Message: %s\r\n\r\n", msg); + else + astman_append(s, "\r\n"); +} + +void astman_send_ack(struct mansession *s, const struct message *m, char *msg) +{ + astman_send_response(s, m, "Success", msg); +} + +/*! Tells you if smallstr exists inside bigstr + which is delim by delim and uses no buf or stringsep + ast_instring("this|that|more","this",',') == 1; + + feel free to move this to app.c -anthm */ +static int ast_instring(const char *bigstr, const char *smallstr, char delim) +{ + const char *val = bigstr, *next; + + do { + if ((next = strchr(val, delim))) { + if (!strncmp(val, smallstr, (next - val))) + return 1; + else + continue; + } else + return !strcmp(smallstr, val); + + } while (*(val = (next + 1))); + + return 0; +} + +static int get_perm(const char *instr) +{ + int x = 0, ret = 0; + + if (!instr) + return 0; + + for (x = 0; x < (sizeof(perms) / sizeof(perms[0])); x++) { + if (ast_instring(instr, perms[x].label, ',')) + ret |= perms[x].num; + } + + return ret; +} + +static int ast_is_number(const char *string) +{ + int ret = 1, x = 0; + + if (!string) + return 0; + + for (x = 0; x < strlen(string); x++) { + if (!(string[x] >= 48 && string[x] <= 57)) { + ret = 0; + break; + } + } + + return ret ? atoi(string) : 0; +} + +static int strings_to_mask(const char *string) +{ + int x, ret = -1; + + x = ast_is_number(string); + + if (x) + ret = x; + else if (ast_strlen_zero(string)) + ret = -1; + else if (ast_false(string)) + ret = 0; + else if (ast_true(string)) { + ret = 0; + for (x=0; x<sizeof(perms) / sizeof(perms[0]); x++) + ret |= perms[x].num; + } else { + ret = 0; + for (x=0; x<sizeof(perms) / sizeof(perms[0]); x++) { + if (ast_instring(string, perms[x].label, ',')) + ret |= perms[x].num; + } + } + + return ret; +} + +/*! \brief + 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 set_eventmask(struct mansession *s, const char *eventmask) +{ + int maskint = strings_to_mask(eventmask); + + ast_mutex_lock(&s->__lock); + if (maskint >= 0) + s->send_events = maskint; + ast_mutex_unlock(&s->__lock); + + return maskint; +} + +static int authenticate(struct mansession *s, const struct message *m) +{ + struct ast_config *cfg; + char *cat; + const char *user = astman_get_header(m, "Username"); + const char *pass = astman_get_header(m, "Secret"); + const char *authtype = astman_get_header(m, "AuthType"); + const char *key = astman_get_header(m, "Key"); + const char *events = astman_get_header(m, "Events"); + + cfg = ast_config_load("manager.conf"); + if (!cfg) + return -1; + cat = ast_category_browse(cfg, NULL); + while (cat) { + if (strcasecmp(cat, "general")) { + /* This is a user */ + if (!strcasecmp(cat, user)) { + struct ast_variable *v; + struct ast_ha *ha = NULL; + char *password = NULL; + + for (v = ast_variable_browse(cfg, cat); v; v = v->next) { + if (!strcasecmp(v->name, "secret")) { + password = v->value; + } else if (!strcasecmp(v->name, "displaysystemname")) { + if (ast_true(v->value)) { + if (ast_strlen_zero(ast_config_AST_SYSTEM_NAME)) { + s->displaysystemname = 1; + } else { + ast_log(LOG_ERROR, "Can't enable displaysystemname in manager.conf - no system name configured in asterisk.conf\n"); + } + } + } else if (!strcasecmp(v->name, "permit") || + !strcasecmp(v->name, "deny")) { + ha = ast_append_ha(v->name, v->value, ha); + } else if (!strcasecmp(v->name, "writetimeout")) { + int val = atoi(v->value); + + if (val < 100) + ast_log(LOG_WARNING, "Invalid writetimeout value '%s' at line %d\n", v->value, v->lineno); + else + s->writetimeout = val; + } + + } + if (ha && !ast_apply_ha(ha, &(s->sin))) { + ast_log(LOG_NOTICE, "%s failed to pass IP ACL as '%s'\n", ast_inet_ntoa(s->sin.sin_addr), user); + ast_free_ha(ha); + ast_config_destroy(cfg); + return -1; + } else if (ha) + ast_free_ha(ha); + if (!strcasecmp(authtype, "MD5")) { + if (!ast_strlen_zero(key) && + !ast_strlen_zero(s->challenge) && !ast_strlen_zero(password)) { + int x; + int len = 0; + char md5key[256] = ""; + struct MD5Context md5; + unsigned char digest[16]; + MD5Init(&md5); + MD5Update(&md5, (unsigned char *) s->challenge, strlen(s->challenge)); + MD5Update(&md5, (unsigned char *) password, strlen(password)); + MD5Final(digest, &md5); + for (x=0; x<16; x++) + len += sprintf(md5key + len, "%2.2x", digest[x]); + if (!strcmp(md5key, key)) + break; + else { + ast_config_destroy(cfg); + return -1; + } + } else { + ast_log(LOG_DEBUG, "MD5 authentication is not possible. challenge: '%s'\n", + S_OR(s->challenge, "")); + ast_config_destroy(cfg); + return -1; + } + } else if (password && !strcmp(password, pass)) { + break; + } else { + ast_log(LOG_NOTICE, "%s failed to authenticate as '%s'\n", ast_inet_ntoa(s->sin.sin_addr), user); + ast_config_destroy(cfg); + return -1; + } + } + } + cat = ast_category_browse(cfg, cat); + } + if (cat) { + ast_copy_string(s->username, cat, sizeof(s->username)); + s->readperm = get_perm(ast_variable_retrieve(cfg, cat, "read")); + s->writeperm = get_perm(ast_variable_retrieve(cfg, cat, "write")); + ast_config_destroy(cfg); + if (events) + set_eventmask(s, events); + return 0; + } + ast_config_destroy(cfg); + cfg = ast_config_load("users.conf"); + if (!cfg) + return -1; + cat = ast_category_browse(cfg, NULL); + while (cat) { + struct ast_variable *v; + const char *password = NULL; + int hasmanager = 0; + const char *readperms = NULL; + const char *writeperms = NULL; + + if (strcasecmp(cat, user) || !strcasecmp(cat, "general")) { + cat = ast_category_browse(cfg, cat); + continue; + } + for (v = ast_variable_browse(cfg, cat); v; v = v->next) { + if (!strcasecmp(v->name, "secret")) + password = v->value; + else if (!strcasecmp(v->name, "hasmanager")) + hasmanager = ast_true(v->value); + else if (!strcasecmp(v->name, "managerread")) + readperms = v->value; + else if (!strcasecmp(v->name, "managerwrite")) + writeperms = v->value; + } + if (!hasmanager) + break; + if (!password || strcmp(password, pass)) { + ast_log(LOG_NOTICE, "%s failed to authenticate as '%s'\n", ast_inet_ntoa(s->sin.sin_addr), user); + ast_config_destroy(cfg); + return -1; + } + ast_copy_string(s->username, cat, sizeof(s->username)); + s->readperm = readperms ? get_perm(readperms) : -1; + s->writeperm = writeperms ? get_perm(writeperms) : -1; + ast_config_destroy(cfg); + if (events) + set_eventmask(s, events); + return 0; + } + ast_log(LOG_NOTICE, "%s tried to authenticate with nonexistent user '%s'\n", ast_inet_ntoa(s->sin.sin_addr), user); + ast_config_destroy(cfg); + return -1; +} + +/*! \brief Manager PING */ +static char mandescr_ping[] = +"Description: A 'Ping' action will ellicit a 'Pong' response. Used to keep the\n" +" manager connection open.\n" +"Variables: NONE\n"; + +static int action_ping(struct mansession *s, const struct message *m) +{ + astman_send_response(s, m, "Pong", NULL); + return 0; +} + +static char mandescr_getconfig[] = +"Description: A 'GetConfig' action will dump the contents of a configuration\n" +"file by category and contents.\n" +"Variables:\n" +" Filename: Configuration filename (e.g. foo.conf)\n"; + +static int action_getconfig(struct mansession *s, const struct message *m) +{ + struct ast_config *cfg; + const char *fn = astman_get_header(m, "Filename"); + int catcount = 0; + int lineno = 0; + char *category=NULL; + struct ast_variable *v; + char idText[256] = ""; + const char *id = astman_get_header(m, "ActionID"); + + if (!ast_strlen_zero(id)) + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + + if (ast_strlen_zero(fn)) { + astman_send_error(s, m, "Filename not specified"); + return 0; + } + if (!(cfg = ast_config_load_with_comments(fn))) { + astman_send_error(s, m, "Config file not found"); + return 0; + } + astman_append(s, "Response: Success\r\n%s", idText); + while ((category = ast_category_browse(cfg, category))) { + lineno = 0; + astman_append(s, "Category-%06d: %s\r\n", catcount, category); + for (v = ast_variable_browse(cfg, category); v; v = v->next) + astman_append(s, "Line-%06d-%06d: %s=%s\r\n", catcount, lineno++, v->name, v->value); + catcount++; + } + ast_config_destroy(cfg); + astman_append(s, "\r\n"); + + return 0; +} + + +static void handle_updates(struct mansession *s, const struct message *m, struct ast_config *cfg) +{ + int x; + char hdr[40]; + const char *action, *cat, *var, *value, *match; + struct ast_category *category; + struct ast_variable *v; + + for (x=0;x<100000;x++) { + unsigned int object = 0; + + snprintf(hdr, sizeof(hdr), "Action-%06d", x); + action = astman_get_header(m, hdr); + if (ast_strlen_zero(action)) + break; + snprintf(hdr, sizeof(hdr), "Cat-%06d", x); + cat = astman_get_header(m, hdr); + snprintf(hdr, sizeof(hdr), "Var-%06d", x); + var = astman_get_header(m, hdr); + snprintf(hdr, sizeof(hdr), "Value-%06d", x); + value = astman_get_header(m, hdr); + if (!ast_strlen_zero(value) && *value == '>') { + object = 1; + value++; + } + snprintf(hdr, sizeof(hdr), "Match-%06d", x); + match = astman_get_header(m, hdr); + if (!strcasecmp(action, "newcat")) { + if (!ast_strlen_zero(cat)) { + category = ast_category_new(cat); + if (category) { + ast_category_append(cfg, category); + } + } + } else if (!strcasecmp(action, "renamecat")) { + if (!ast_strlen_zero(cat) && !ast_strlen_zero(value)) { + category = ast_category_get(cfg, cat); + if (category) + ast_category_rename(category, value); + } + } else if (!strcasecmp(action, "delcat")) { + if (!ast_strlen_zero(cat)) + ast_category_delete(cfg, (char *) cat); + } else if (!strcasecmp(action, "update")) { + if (!ast_strlen_zero(cat) && !ast_strlen_zero(var) && (category = ast_category_get(cfg, cat))) + ast_variable_update(category, var, value, match, object); + } else if (!strcasecmp(action, "delete")) { + if (!ast_strlen_zero(cat) && !ast_strlen_zero(var) && (category = ast_category_get(cfg, cat))) + ast_variable_delete(category, (char *) var, (char *) match); + } else if (!strcasecmp(action, "append")) { + if (!ast_strlen_zero(cat) && !ast_strlen_zero(var) && + (category = ast_category_get(cfg, cat)) && + (v = ast_variable_new(var, value))){ + if (object || (match && !strcasecmp(match, "object"))) + v->object = 1; + ast_variable_append(category, v); + } + } + } +} + +static char mandescr_updateconfig[] = +"Description: A 'UpdateConfig' action will modify, create, or delete\n" +"configuration elements in Asterisk configuration files.\n" +"Variables (X's represent 6 digit number beginning with 000000):\n" +" SrcFilename: Configuration filename to read(e.g. foo.conf)\n" +" DstFilename: Configuration filename to write(e.g. foo.conf)\n" +" Reload: Whether or not a reload should take place (or name of specific module)\n" +" Action-XXXXXX: Action to Take (NewCat,RenameCat,DelCat,Update,Delete,Append)\n" +" Cat-XXXXXX: Category to operate on\n" +" Var-XXXXXX: Variable to work on\n" +" Value-XXXXXX: Value to work on\n" +" Match-XXXXXX: Extra match required to match line\n"; + +static int action_updateconfig(struct mansession *s, const struct message *m) +{ + struct ast_config *cfg; + const char *sfn = astman_get_header(m, "SrcFilename"); + const char *dfn = astman_get_header(m, "DstFilename"); + int res; + char idText[256] = ""; + const char *id = astman_get_header(m, "ActionID"); + const char *rld = astman_get_header(m, "Reload"); + + if (!ast_strlen_zero(id)) + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + + if (ast_strlen_zero(sfn) || ast_strlen_zero(dfn)) { + astman_send_error(s, m, "Filename not specified"); + return 0; + } + if (!(cfg = ast_config_load_with_comments(sfn))) { + astman_send_error(s, m, "Config file not found"); + return 0; + } + handle_updates(s, m, cfg); + res = config_text_file_save(dfn, cfg, "Manager"); + ast_config_destroy(cfg); + if (res) { + astman_send_error(s, m, "Save of config failed"); + return 0; + } + astman_append(s, "Response: Success\r\n%s\r\n", idText); + if (!ast_strlen_zero(rld)) { + if (ast_true(rld)) + rld = NULL; + ast_module_reload(rld); + } + return 0; +} + +/*! \brief Manager WAITEVENT */ +static char mandescr_waitevent[] = +"Description: A 'WaitEvent' action will ellicit a 'Success' response. Whenever\n" +"a manager event is queued. Once WaitEvent has been called on an HTTP manager\n" +"session, events will be generated and queued.\n" +"Variables: \n" +" Timeout: Maximum time to wait for events\n"; + +static int action_waitevent(struct mansession *s, const struct message *m) +{ + const char *timeouts = astman_get_header(m, "Timeout"); + int timeout = -1, max; + int x; + int needexit = 0; + time_t now; + struct eventqent *eqe; + const char *id = astman_get_header(m,"ActionID"); + char idText[256] = ""; + + if (!ast_strlen_zero(id)) + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + + if (!ast_strlen_zero(timeouts)) { + sscanf(timeouts, "%i", &timeout); + } + + ast_mutex_lock(&s->__lock); + if (s->waiting_thread != AST_PTHREADT_NULL) { + pthread_kill(s->waiting_thread, SIGURG); + } + if (s->sessiontimeout) { + time(&now); + max = s->sessiontimeout - now - 10; + if (max < 0) + max = 0; + if ((timeout < 0) || (timeout > max)) + timeout = max; + if (!s->send_events) + s->send_events = -1; + /* Once waitevent is called, always queue events from now on */ + } + ast_mutex_unlock(&s->__lock); + s->waiting_thread = pthread_self(); + if (option_debug) + ast_log(LOG_DEBUG, "Starting waiting for an event!\n"); + for (x=0; ((x < timeout) || (timeout < 0)); x++) { + ast_mutex_lock(&s->__lock); + if (s->eventq && s->eventq->next) + needexit = 1; + if (s->waiting_thread != pthread_self()) + needexit = 1; + if (s->needdestroy) + needexit = 1; + ast_mutex_unlock(&s->__lock); + if (needexit) + break; + if (s->fd > 0) { + if (ast_wait_for_input(s->fd, 1000)) + break; + } else { + sleep(1); + } + } + if (option_debug) + ast_log(LOG_DEBUG, "Finished waiting for an event!\n"); + ast_mutex_lock(&s->__lock); + if (s->waiting_thread == pthread_self()) { + astman_send_response(s, m, "Success", "Waiting for Event..."); + /* Only show events if we're the most recent waiter */ + while(s->eventq->next) { + eqe = s->eventq->next; + if (((s->readperm & eqe->category) == eqe->category) && + ((s->send_events & eqe->category) == eqe->category)) { + astman_append(s, "%s", eqe->eventdata); + } + unuse_eventqent(s->eventq); + s->eventq = eqe; + } + astman_append(s, + "Event: WaitEventComplete\r\n" + "%s" + "\r\n", idText); + s->waiting_thread = AST_PTHREADT_NULL; + } else { + ast_log(LOG_DEBUG, "Abandoning event request!\n"); + } + ast_mutex_unlock(&s->__lock); + return 0; +} + +static char mandescr_listcommands[] = +"Description: Returns the action name and synopsis for every\n" +" action that is available to the user\n" +"Variables: NONE\n"; + +/*! \note The actionlock is read-locked by the caller of this function */ +static int action_listcommands(struct mansession *s, const struct message *m) +{ + struct manager_action *cur; + char idText[256] = ""; + char temp[BUFSIZ]; + const char *id = astman_get_header(m,"ActionID"); + + if (!ast_strlen_zero(id)) + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + astman_append(s, "Response: Success\r\n%s", idText); + for (cur = first_action; cur; cur = cur->next) { + if ((s->writeperm & cur->authority) == cur->authority) + astman_append(s, "%s: %s (Priv: %s)\r\n", cur->action, cur->synopsis, authority_to_str(cur->authority, temp, sizeof(temp))); + } + astman_append(s, "\r\n"); + + return 0; +} + +static char mandescr_events[] = +"Description: Enable/Disable sending of events to this manager\n" +" client.\n" +"Variables:\n" +" EventMask: 'on' if all events should be sent,\n" +" 'off' if no events should be sent,\n" +" 'system,call,log' to select which flags events should have to be sent.\n"; + +static int action_events(struct mansession *s, const struct message *m) +{ + const char *mask = astman_get_header(m, "EventMask"); + int res; + + res = set_eventmask(s, mask); + if (res > 0) + astman_send_response(s, m, "Events On", NULL); + else if (res == 0) + astman_send_response(s, m, "Events Off", NULL); + + return 0; +} + +static char mandescr_logoff[] = +"Description: Logoff this manager session\n" +"Variables: NONE\n"; + +static int action_logoff(struct mansession *s, const struct message *m) +{ + astman_send_response(s, m, "Goodbye", "Thanks for all the fish."); + return -1; +} + +static char mandescr_hangup[] = +"Description: Hangup a channel\n" +"Variables: \n" +" Channel: The channel name to be hungup\n"; + +static int action_hangup(struct mansession *s, const struct message *m) +{ + struct ast_channel *c = NULL; + const char *name = astman_get_header(m, "Channel"); + if (ast_strlen_zero(name)) { + astman_send_error(s, m, "No channel specified"); + return 0; + } + c = ast_get_channel_by_name_locked(name); + if (!c) { + astman_send_error(s, m, "No such channel"); + return 0; + } + ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT); + ast_channel_unlock(c); + astman_send_ack(s, m, "Channel Hungup"); + return 0; +} + +static char mandescr_setvar[] = +"Description: Set a global or local channel variable.\n" +"Variables: (Names marked with * are required)\n" +" Channel: Channel to set variable for\n" +" *Variable: Variable name\n" +" *Value: Value\n"; + +static int action_setvar(struct mansession *s, const struct message *m) +{ + struct ast_channel *c = NULL; + const char *name = astman_get_header(m, "Channel"); + const char *varname = astman_get_header(m, "Variable"); + const char *varval = astman_get_header(m, "Value"); + + if (ast_strlen_zero(varname)) { + astman_send_error(s, m, "No variable specified"); + return 0; + } + + if (!ast_strlen_zero(name)) { + c = ast_get_channel_by_name_locked(name); + if (!c) { + astman_send_error(s, m, "No such channel"); + return 0; + } + } + + pbx_builtin_setvar_helper(c, varname, S_OR(varval, "")); + + if (c) + ast_channel_unlock(c); + + astman_send_ack(s, m, "Variable Set"); + + return 0; +} + +static char mandescr_getvar[] = +"Description: Get the value of a global or local channel variable.\n" +"Variables: (Names marked with * are required)\n" +" Channel: Channel to read variable from\n" +" *Variable: Variable name\n" +" ActionID: Optional Action id for message matching.\n"; + +static int action_getvar(struct mansession *s, const struct message *m) +{ + struct ast_channel *c = NULL; + const char *name = astman_get_header(m, "Channel"); + const char *varname = astman_get_header(m, "Variable"); + const char *id = astman_get_header(m,"ActionID"); + char *varval; + char workspace[1024] = ""; + + if (ast_strlen_zero(varname)) { + astman_send_error(s, m, "No variable specified"); + return 0; + } + + if (!ast_strlen_zero(name)) { + c = ast_get_channel_by_name_locked(name); + if (!c) { + astman_send_error(s, m, "No such channel"); + return 0; + } + } + + if (varname[strlen(varname) - 1] == ')') { + char *copy = ast_strdupa(varname); + if (!c) { + c = ast_channel_alloc(0, 0, "", "", "", "", "", 0, "Bogus/manager"); + if (c) { + ast_func_read(c, copy, workspace, sizeof(workspace)); + ast_channel_free(c); + } else + ast_log(LOG_ERROR, "Unable to allocate bogus channel for variable substitution. Function results may be blank.\n"); + } else + ast_func_read(c, copy, workspace, sizeof(workspace)); + varval = workspace; + } else { + pbx_retrieve_variable(c, varname, &varval, workspace, sizeof(workspace), NULL); + } + + if (c) + ast_channel_unlock(c); + astman_append(s, "Response: Success\r\n" + "Variable: %s\r\nValue: %s\r\n", varname, varval); + if (!ast_strlen_zero(id)) + astman_append(s, "ActionID: %s\r\n",id); + astman_append(s, "\r\n"); + + return 0; +} + + +/*! \brief Manager "status" command to show channels */ +/* Needs documentation... */ +static int action_status(struct mansession *s, const struct message *m) +{ + const char *id = astman_get_header(m,"ActionID"); + const char *name = astman_get_header(m,"Channel"); + char idText[256] = ""; + struct ast_channel *c; + char bridge[256]; + struct timeval now = ast_tvnow(); + long elapsed_seconds = 0; + int all = ast_strlen_zero(name); /* set if we want all channels */ + + if (!ast_strlen_zero(id)) + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + if (all) + c = ast_channel_walk_locked(NULL); + else { + c = ast_get_channel_by_name_locked(name); + if (!c) { + astman_send_error(s, m, "No such channel"); + return 0; + } + } + astman_send_ack(s, m, "Channel status will follow"); + /* if we look by name, we break after the first iteration */ + while (c) { + if (c->_bridge) + snprintf(bridge, sizeof(bridge), "Link: %s\r\n", c->_bridge->name); + else + bridge[0] = '\0'; + if (c->pbx) { + if (c->cdr) { + elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec; + } + astman_append(s, + "Event: Status\r\n" + "Privilege: Call\r\n" + "Channel: %s\r\n" + "CallerID: %s\r\n" /* This parameter is deprecated and will be removed post-1.4 */ + "CallerIDNum: %s\r\n" + "CallerIDName: %s\r\n" + "Account: %s\r\n" + "State: %s\r\n" + "Context: %s\r\n" + "Extension: %s\r\n" + "Priority: %d\r\n" + "Seconds: %ld\r\n" + "%s" + "Uniqueid: %s\r\n" + "%s" + "\r\n", + c->name, + S_OR(c->cid.cid_num, "<unknown>"), + S_OR(c->cid.cid_num, "<unknown>"), + S_OR(c->cid.cid_name, "<unknown>"), + c->accountcode, + ast_state2str(c->_state), c->context, + c->exten, c->priority, (long)elapsed_seconds, bridge, c->uniqueid, idText); + } else { + astman_append(s, + "Event: Status\r\n" + "Privilege: Call\r\n" + "Channel: %s\r\n" + "CallerID: %s\r\n" /* This parameter is deprecated and will be removed post-1.4 */ + "CallerIDNum: %s\r\n" + "CallerIDName: %s\r\n" + "Account: %s\r\n" + "State: %s\r\n" + "%s" + "Uniqueid: %s\r\n" + "%s" + "\r\n", + c->name, + S_OR(c->cid.cid_num, "<unknown>"), + S_OR(c->cid.cid_num, "<unknown>"), + S_OR(c->cid.cid_name, "<unknown>"), + c->accountcode, + ast_state2str(c->_state), bridge, c->uniqueid, idText); + } + ast_channel_unlock(c); + if (!all) + break; + c = ast_channel_walk_locked(c); + } + astman_append(s, + "Event: StatusComplete\r\n" + "%s" + "\r\n",idText); + return 0; +} + +static char mandescr_redirect[] = +"Description: Redirect (transfer) a call.\n" +"Variables: (Names marked with * are required)\n" +" *Channel: Channel to redirect\n" +" ExtraChannel: Second call leg to transfer (optional)\n" +" *Exten: Extension to transfer to\n" +" *Context: Context to transfer to\n" +" *Priority: Priority to transfer to\n" +" ActionID: Optional Action id for message matching.\n"; + +/*! \brief action_redirect: The redirect manager command */ +static int action_redirect(struct mansession *s, const struct message *m) +{ + const char *name = astman_get_header(m, "Channel"); + const char *name2 = astman_get_header(m, "ExtraChannel"); + const char *exten = astman_get_header(m, "Exten"); + const char *context = astman_get_header(m, "Context"); + const char *priority = astman_get_header(m, "Priority"); + struct ast_channel *chan, *chan2 = NULL; + int pi = 0; + int res; + + if (ast_strlen_zero(name)) { + astman_send_error(s, m, "Channel not specified"); + return 0; + } + if (!ast_strlen_zero(priority) && (sscanf(priority, "%d", &pi) != 1)) { + if ((pi = ast_findlabel_extension(NULL, context, exten, priority, NULL)) < 1) { + astman_send_error(s, m, "Invalid priority"); + return 0; + } + } + /* XXX watch out, possible deadlock!!! */ + chan = ast_get_channel_by_name_locked(name); + if (!chan) { + char buf[BUFSIZ]; + snprintf(buf, sizeof(buf), "Channel does not exist: %s", name); + astman_send_error(s, m, buf); + return 0; + } + if (ast_check_hangup(chan)) { + astman_send_error(s, m, "Redirect failed, channel not up."); + ast_channel_unlock(chan); + return 0; + } + if (!ast_strlen_zero(name2)) + chan2 = ast_get_channel_by_name_locked(name2); + if (chan2 && ast_check_hangup(chan2)) { + astman_send_error(s, m, "Redirect failed, extra channel not up."); + ast_channel_unlock(chan); + ast_channel_unlock(chan2); + return 0; + } + res = ast_async_goto(chan, context, exten, pi); + if (!res) { + if (!ast_strlen_zero(name2)) { + if (chan2) + res = ast_async_goto(chan2, context, exten, pi); + else + res = -1; + if (!res) + astman_send_ack(s, m, "Dual Redirect successful"); + else + astman_send_error(s, m, "Secondary redirect failed"); + } else + astman_send_ack(s, m, "Redirect successful"); + } else + astman_send_error(s, m, "Redirect failed"); + if (chan) + ast_channel_unlock(chan); + if (chan2) + ast_channel_unlock(chan2); + return 0; +} + +static int check_blacklist(const char *cmd) +{ + char *cmd_copy, *cur_cmd; + char *cmd_words[MAX_BLACKLIST_CMD_LEN] = { NULL, }; + int i; + + cmd_copy = ast_strdupa(cmd); + for (i = 0; i < MAX_BLACKLIST_CMD_LEN && (cur_cmd = strsep(&cmd_copy, " ")); i++) { + cur_cmd = ast_strip(cur_cmd); + if (ast_strlen_zero(cur_cmd)) { + i--; + continue; + } + + cmd_words[i] = cur_cmd; + } + + for (i = 0; i < ARRAY_LEN(command_blacklist); i++) { + int j, match = 1; + + for (j = 0; command_blacklist[i].words[j]; j++) { + if (ast_strlen_zero(cmd_words[j]) || strcasecmp(cmd_words[j], command_blacklist[i].words[j])) { + match = 0; + break; + } + } + + if (match) { + return 1; + } + } + + return 0; +} + +static char mandescr_command[] = +"Description: Run a CLI command.\n" +"Variables: (Names marked with * are required)\n" +" *Command: Asterisk CLI command to run\n" +" ActionID: Optional Action id for message matching.\n"; + +/*! \brief action_command: Manager command "command" - execute CLI command */ +static int action_command(struct mansession *s, const struct message *m) +{ + const char *cmd = astman_get_header(m, "Command"); + const char *id = astman_get_header(m, "ActionID"); + char *buf, *final_buf; + char template[] = "/tmp/ast-ami-XXXXXX"; /* template for temporary file */ + int fd = mkstemp(template); + off_t l; + + if (ast_strlen_zero(cmd)) { + astman_send_error(s, m, "No command provided"); + return 0; + } + + if (check_blacklist(cmd)) { + astman_send_error(s, m, "Command blacklisted"); + return 0; + } + + astman_append(s, "Response: Follows\r\nPrivilege: Command\r\n"); + if (!ast_strlen_zero(id)) + astman_append(s, "ActionID: %s\r\n", id); + /* FIXME: Wedge a ActionID response in here, waiting for later changes */ + ast_cli_command(fd, cmd); /* XXX need to change this to use a FILE * */ + l = lseek(fd, 0, SEEK_END); /* how many chars available */ + + /* This has a potential to overflow the stack. Hence, use the heap. */ + buf = ast_calloc(1, l + 1); + final_buf = ast_calloc(1, l + 1); + if (buf) { + lseek(fd, 0, SEEK_SET); + if (read(fd, buf, l) < 0) { + ast_log(LOG_WARNING, "read() failed: %s\n", strerror(errno)); + } + buf[l] = '\0'; + if (final_buf) { + term_strip(final_buf, buf, l); + final_buf[l] = '\0'; + } + astman_append(s, "%s", S_OR(final_buf, buf)); + ast_free(buf); + } + close(fd); + unlink(template); + astman_append(s, "--END COMMAND--\r\n\r\n"); + if (final_buf) + ast_free(final_buf); + return 0; +} + +static void *fast_originate(void *data) +{ + struct fast_originate_helper *in = data; + int res; + int reason = 0; + struct ast_channel *chan = NULL; + char requested_channel[AST_CHANNEL_NAME]; + + if (!ast_strlen_zero(in->app)) { + res = ast_pbx_outgoing_app(in->tech, in->format, in->data, in->timeout, in->app, in->appdata, &reason, 1, + S_OR(in->cid_num, NULL), + S_OR(in->cid_name, NULL), + in->vars, in->account, &chan); + } else { + res = ast_pbx_outgoing_exten(in->tech, in->format, in->data, in->timeout, in->context, in->exten, in->priority, &reason, 1, + S_OR(in->cid_num, NULL), + S_OR(in->cid_name, NULL), + in->vars, in->account, &chan); + } + + if (!chan) + snprintf(requested_channel, AST_CHANNEL_NAME, "%s/%s", in->tech, in->data); + /* Tell the manager what happened with the channel */ + manager_event(EVENT_FLAG_CALL, "OriginateResponse", + "%s" + "Response: %s\r\n" + "Channel: %s\r\n" + "Context: %s\r\n" + "Exten: %s\r\n" + "Reason: %d\r\n" + "Uniqueid: %s\r\n" + "CallerID: %s\r\n" /* This parameter is deprecated and will be removed post-1.4 */ + "CallerIDNum: %s\r\n" + "CallerIDName: %s\r\n", + in->idtext, res ? "Failure" : "Success", chan ? chan->name : requested_channel, in->context, in->exten, reason, + chan ? chan->uniqueid : "<null>", + S_OR(in->cid_num, "<unknown>"), + S_OR(in->cid_num, "<unknown>"), + S_OR(in->cid_name, "<unknown>") + ); + + /* Locked by ast_pbx_outgoing_exten or ast_pbx_outgoing_app */ + if (chan) + ast_channel_unlock(chan); + free(in); + return NULL; +} + +static char mandescr_originate[] = +"Description: Generates an outgoing call to a Extension/Context/Priority or\n" +" Application/Data\n" +"Variables: (Names marked with * are required)\n" +" *Channel: Channel name to call\n" +" Exten: Extension to use (requires 'Context' and 'Priority')\n" +" Context: Context to use (requires 'Exten' and 'Priority')\n" +" Priority: Priority to use (requires 'Exten' and 'Context')\n" +" Application: Application to use\n" +" Data: Data to use (requires 'Application')\n" +" Timeout: How long to wait for call to be answered (in ms)\n" +" CallerID: Caller ID to be set on the outgoing channel\n" +" Variable: Channel variable to set, multiple Variable: headers are allowed\n" +" Account: Account code\n" +" Async: Set to 'true' for fast origination\n"; + +static int action_originate(struct mansession *s, const struct message *m) +{ + const char *name = astman_get_header(m, "Channel"); + const char *exten = astman_get_header(m, "Exten"); + const char *context = astman_get_header(m, "Context"); + const char *priority = astman_get_header(m, "Priority"); + const char *timeout = astman_get_header(m, "Timeout"); + const char *callerid = astman_get_header(m, "CallerID"); + const char *account = astman_get_header(m, "Account"); + const char *app = astman_get_header(m, "Application"); + const char *appdata = astman_get_header(m, "Data"); + const char *async = astman_get_header(m, "Async"); + const char *id = astman_get_header(m, "ActionID"); + const char *codecs = astman_get_header(m, "Codecs"); + struct ast_variable *vars = astman_get_variables(m); + char *tech, *data; + char *l = NULL, *n = NULL; + int pi = 0; + int res; + int to = 30000; + int reason = 0; + char tmp[256]; + char tmp2[256]; + int format = AST_FORMAT_SLINEAR; + + pthread_t th; + pthread_attr_t attr; + if (ast_strlen_zero(name)) { + astman_send_error(s, m, "Channel not specified"); + return 0; + } + if (!ast_strlen_zero(priority) && (sscanf(priority, "%d", &pi) != 1)) { + if ((pi = ast_findlabel_extension(NULL, context, exten, priority, NULL)) < 1) { + astman_send_error(s, m, "Invalid priority"); + return 0; + } + } + if (!ast_strlen_zero(timeout) && (sscanf(timeout, "%d", &to) != 1)) { + astman_send_error(s, m, "Invalid timeout"); + return 0; + } + ast_copy_string(tmp, name, sizeof(tmp)); + tech = tmp; + data = strchr(tmp, '/'); + if (!data) { + astman_send_error(s, m, "Invalid channel"); + return 0; + } + *data++ = '\0'; + ast_copy_string(tmp2, callerid, sizeof(tmp2)); + ast_callerid_parse(tmp2, &n, &l); + if (n) { + if (ast_strlen_zero(n)) + n = NULL; + } + if (l) { + ast_shrink_phone_number(l); + if (ast_strlen_zero(l)) + l = NULL; + } + if (!ast_strlen_zero(codecs)) { + format = 0; + ast_parse_allow_disallow(NULL, &format, codecs, 1); + } + if (ast_true(async)) { + struct fast_originate_helper *fast = ast_calloc(1, sizeof(*fast)); + if (!fast) { + res = -1; + } else { + if (!ast_strlen_zero(id)) + snprintf(fast->idtext, sizeof(fast->idtext), "ActionID: %s\r\n", id); + ast_copy_string(fast->tech, tech, sizeof(fast->tech)); + ast_copy_string(fast->data, data, sizeof(fast->data)); + ast_copy_string(fast->app, app, sizeof(fast->app)); + ast_copy_string(fast->appdata, appdata, sizeof(fast->appdata)); + if (l) + ast_copy_string(fast->cid_num, l, sizeof(fast->cid_num)); + if (n) + ast_copy_string(fast->cid_name, n, sizeof(fast->cid_name)); + fast->vars = vars; + ast_copy_string(fast->context, context, sizeof(fast->context)); + ast_copy_string(fast->exten, exten, sizeof(fast->exten)); + ast_copy_string(fast->account, account, sizeof(fast->account)); + fast->format = format; + fast->timeout = to; + fast->priority = pi; + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + if (ast_pthread_create(&th, &attr, fast_originate, fast)) { + ast_free(fast); + res = -1; + } else { + res = 0; + } + pthread_attr_destroy(&attr); + } + } else if (!ast_strlen_zero(app)) { + res = ast_pbx_outgoing_app(tech, format, data, to, app, appdata, &reason, 1, l, n, vars, account, NULL); + } else { + if (exten && context && pi) + res = ast_pbx_outgoing_exten(tech, format, data, to, context, exten, pi, &reason, 1, l, n, vars, account, NULL); + else { + astman_send_error(s, m, "Originate with 'Exten' requires 'Context' and 'Priority'"); + return 0; + } + } + if (!res) + astman_send_ack(s, m, "Originate successfully queued"); + else + astman_send_error(s, m, "Originate failed"); + return 0; +} + +/*! \brief Help text for manager command mailboxstatus + */ +static char mandescr_mailboxstatus[] = +"Description: Checks a voicemail account for status.\n" +"Variables: (Names marked with * are required)\n" +" *Mailbox: Full mailbox ID <mailbox>@<vm-context>\n" +" ActionID: Optional ActionID for message matching.\n" +"Returns number of messages.\n" +" Message: Mailbox Status\n" +" Mailbox: <mailboxid>\n" +" Waiting: <count>\n" +"\n"; + +static int action_mailboxstatus(struct mansession *s, const struct message *m) +{ + const char *mailbox = astman_get_header(m, "Mailbox"); + const char *id = astman_get_header(m,"ActionID"); + char idText[256] = ""; + int ret; + if (ast_strlen_zero(mailbox)) { + astman_send_error(s, m, "Mailbox not specified"); + return 0; + } + if (!ast_strlen_zero(id)) + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + ret = ast_app_has_voicemail(mailbox, NULL); + astman_append(s, "Response: Success\r\n" + "%s" + "Message: Mailbox Status\r\n" + "Mailbox: %s\r\n" + "Waiting: %d\r\n\r\n", idText, mailbox, ret); + return 0; +} + +static char mandescr_mailboxcount[] = +"Description: Checks a voicemail account for new messages.\n" +"Variables: (Names marked with * are required)\n" +" *Mailbox: Full mailbox ID <mailbox>@<vm-context>\n" +" ActionID: Optional ActionID for message matching.\n" +"Returns number of new and old messages.\n" +" Message: Mailbox Message Count\n" +" Mailbox: <mailboxid>\n" +" NewMessages: <count>\n" +" OldMessages: <count>\n" +"\n"; +static int action_mailboxcount(struct mansession *s, const struct message *m) +{ + const char *mailbox = astman_get_header(m, "Mailbox"); + const char *id = astman_get_header(m,"ActionID"); + char idText[256] = ""; + int newmsgs = 0, oldmsgs = 0; + if (ast_strlen_zero(mailbox)) { + astman_send_error(s, m, "Mailbox not specified"); + return 0; + } + ast_app_inboxcount(mailbox, &newmsgs, &oldmsgs); + if (!ast_strlen_zero(id)) { + snprintf(idText, sizeof(idText), "ActionID: %s\r\n",id); + } + astman_append(s, "Response: Success\r\n" + "%s" + "Message: Mailbox Message Count\r\n" + "Mailbox: %s\r\n" + "NewMessages: %d\r\n" + "OldMessages: %d\r\n" + "\r\n", + idText,mailbox, newmsgs, oldmsgs); + return 0; +} + +static char mandescr_extensionstate[] = +"Description: Report the extension state for given extension.\n" +" If the extension has a hint, will use devicestate to check\n" +" the status of the device connected to the extension.\n" +"Variables: (Names marked with * are required)\n" +" *Exten: Extension to check state on\n" +" *Context: Context for extension\n" +" ActionId: Optional ID for this transaction\n" +"Will return an \"Extension Status\" message.\n" +"The response will include the hint for the extension and the status.\n"; + +static int action_extensionstate(struct mansession *s, const struct message *m) +{ + const char *exten = astman_get_header(m, "Exten"); + const char *context = astman_get_header(m, "Context"); + const char *id = astman_get_header(m,"ActionID"); + char idText[256] = ""; + char hint[256] = ""; + int status; + if (ast_strlen_zero(exten)) { + astman_send_error(s, m, "Extension not specified"); + return 0; + } + if (ast_strlen_zero(context)) + context = "default"; + status = ast_extension_state(NULL, context, exten); + ast_get_hint(hint, sizeof(hint) - 1, NULL, 0, NULL, context, exten); + if (!ast_strlen_zero(id)) { + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + } + astman_append(s, "Response: Success\r\n" + "%s" + "Message: Extension Status\r\n" + "Exten: %s\r\n" + "Context: %s\r\n" + "Hint: %s\r\n" + "Status: %d\r\n\r\n", + idText,exten, context, hint, status); + return 0; +} + +static char mandescr_timeout[] = +"Description: Hangup a channel after a certain time.\n" +"Variables: (Names marked with * are required)\n" +" *Channel: Channel name to hangup\n" +" *Timeout: Maximum duration of the call (sec)\n" +"Acknowledges set time with 'Timeout Set' message\n"; + +static int action_timeout(struct mansession *s, const struct message *m) +{ + struct ast_channel *c = NULL; + const char *name = astman_get_header(m, "Channel"); + int timeout = atoi(astman_get_header(m, "Timeout")); + if (ast_strlen_zero(name)) { + astman_send_error(s, m, "No channel specified"); + return 0; + } + if (!timeout) { + astman_send_error(s, m, "No timeout specified"); + return 0; + } + c = ast_get_channel_by_name_locked(name); + if (!c) { + astman_send_error(s, m, "No such channel"); + return 0; + } + ast_channel_setwhentohangup(c, timeout); + ast_channel_unlock(c); + astman_send_ack(s, m, "Timeout Set"); + return 0; +} + +static int process_events(struct mansession *s) +{ + struct eventqent *eqe; + int ret = 0; + ast_mutex_lock(&s->__lock); + if (!s->eventq) + s->eventq = master_eventq; + while(s->eventq->next) { + eqe = s->eventq->next; + if ((s->authenticated && (s->readperm & eqe->category) == eqe->category) && + ((s->send_events & eqe->category) == eqe->category)) { + if (s->fd > -1) { + if (!ret && ast_carefulwrite(s->fd, eqe->eventdata, strlen(eqe->eventdata), s->writetimeout) < 0) + ret = -1; + } else if (!s->outputstr && !(s->outputstr = ast_calloc(1, sizeof(*s->outputstr)))) + ret = -1; + else + ast_dynamic_str_append(&s->outputstr, 0, "%s", eqe->eventdata); + } + unuse_eventqent(s->eventq); + s->eventq = eqe; + } + ast_mutex_unlock(&s->__lock); + return ret; +} + +static char mandescr_userevent[] = +"Description: Send an event to manager sessions.\n" +"Variables: (Names marked with * are required)\n" +" *UserEvent: EventStringToSend\n" +" Header1: Content1\n" +" HeaderN: ContentN\n"; + +static int action_userevent(struct mansession *s, const struct message *m) +{ + const char *event = astman_get_header(m, "UserEvent"); + char body[2048] = ""; + int x, bodylen = 0; + for (x = 0; x < m->hdrcount; x++) { + if (strncasecmp("UserEvent:", m->headers[x], strlen("UserEvent:"))) { + ast_copy_string(body + bodylen, m->headers[x], sizeof(body) - bodylen - 3); + bodylen += strlen(m->headers[x]); + ast_copy_string(body + bodylen, "\r\n", 3); + bodylen += 2; + } + } + + manager_event(EVENT_FLAG_USER, "UserEvent", "UserEvent: %s\r\n%s", event, body); + return 0; +} + +static int process_message(struct mansession *s, const struct message *m) +{ + char action[80] = ""; + struct manager_action *tmp; + const char *id = astman_get_header(m,"ActionID"); + char idText[256] = ""; + int ret = 0; + + ast_copy_string(action, astman_get_header(m, "Action"), sizeof(action)); + if (option_debug) + ast_log( LOG_DEBUG, "Manager received command '%s'\n", action ); + + if (ast_strlen_zero(action)) { + astman_send_error(s, m, "Missing action in request"); + return 0; + } + if (!ast_strlen_zero(id)) { + snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id); + } + if (!s->authenticated) { + if (!strcasecmp(action, "Challenge")) { + const char *authtype = astman_get_header(m, "AuthType"); + + if (!strcasecmp(authtype, "MD5")) { + if (ast_strlen_zero(s->challenge)) + snprintf(s->challenge, sizeof(s->challenge), "%ld", ast_random()); + astman_append(s, "Response: Success\r\n" + "%s" + "Challenge: %s\r\n\r\n", + idText, s->challenge); + return 0; + } else { + astman_send_error(s, m, "Must specify AuthType"); + return 0; + } + } else if (!strcasecmp(action, "Login")) { + if (authenticate(s, m)) { + sleep(1); + astman_send_error(s, m, "Authentication failed"); + return -1; + } else { + s->authenticated = 1; + if (option_verbose > 1) { + if (displayconnects) { + ast_verbose(VERBOSE_PREFIX_2 "%sManager '%s' logged on from %s\n", + (s->sessiontimeout ? "HTTP " : ""), s->username, ast_inet_ntoa(s->sin.sin_addr)); + } + } + ast_log(LOG_EVENT, "%sManager '%s' logged on from %s\n", + (s->sessiontimeout ? "HTTP " : ""), s->username, ast_inet_ntoa(s->sin.sin_addr)); + astman_send_ack(s, m, "Authentication accepted"); + } + } else if (!strcasecmp(action, "Logoff")) { + astman_send_ack(s, m, "See ya"); + return -1; + } else + astman_send_error(s, m, "Authentication Required"); + } else { + if (!strcasecmp(action, "Login")) + astman_send_ack(s, m, "Already logged in"); + else { + ast_rwlock_rdlock(&actionlock); + for (tmp = first_action; tmp; tmp = tmp->next) { + if (strcasecmp(action, tmp->action)) + continue; + if ((s->writeperm & tmp->authority) == tmp->authority) { + if (tmp->func(s, m)) + ret = -1; + } else + astman_send_error(s, m, "Permission denied"); + break; + } + ast_rwlock_unlock(&actionlock); + if (!tmp) + astman_send_error(s, m, "Invalid/unknown command"); + } + } + if (ret) + return ret; + return process_events(s); +} + +static int get_input(struct mansession *s, char *output) +{ + /* output must have at least sizeof(s->inbuf) space */ + int res; + int x; + struct pollfd fds[1]; + for (x = 1; x < s->inlen; x++) { + if ((s->inbuf[x] == '\n') && (s->inbuf[x-1] == '\r')) { + /* Copy output data up to and including \r\n */ + memcpy(output, s->inbuf, x + 1); + /* Add trailing \0 */ + output[x+1] = '\0'; + /* Move remaining data back to the front */ + memmove(s->inbuf, s->inbuf + x + 1, s->inlen - x); + s->inlen -= (x + 1); + return 1; + } + } + if (s->inlen >= sizeof(s->inbuf) - 1) { + ast_log(LOG_WARNING, "Dumping long line with no return from %s: %s\n", ast_inet_ntoa(s->sin.sin_addr), s->inbuf); + s->inlen = 0; + } + fds[0].fd = s->fd; + fds[0].events = POLLIN; + do { + ast_mutex_lock(&s->__lock); + if (s->pending_event) { + s->pending_event = 0; + ast_mutex_unlock(&s->__lock); + return 0; + } + s->waiting_thread = pthread_self(); + ast_mutex_unlock(&s->__lock); + + res = poll(fds, 1, -1); + + ast_mutex_lock(&s->__lock); + s->waiting_thread = AST_PTHREADT_NULL; + ast_mutex_unlock(&s->__lock); + if (res < 0) { + if (errno == EINTR || errno == EAGAIN) { + return 0; + } + ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno)); + return -1; + } else if (res > 0) { + ast_mutex_lock(&s->__lock); + res = read(s->fd, s->inbuf + s->inlen, sizeof(s->inbuf) - 1 - s->inlen); + ast_mutex_unlock(&s->__lock); + if (res < 1) + return -1; + break; + } + } while(1); + s->inlen += res; + s->inbuf[s->inlen] = '\0'; + return 0; +} + +static int do_message(struct mansession *s) +{ + struct message m = { 0 }; + char header_buf[sizeof(s->inbuf)] = { '\0' }; + int res; + + for (;;) { + /* Check if any events are pending and do them if needed */ + if (s->eventq->next) { + if (process_events(s)) + return -1; + } + res = get_input(s, header_buf); + if (res == 0) { + continue; + } else if (res > 0) { + /* Strip trailing \r\n */ + if (strlen(header_buf) < 2) + continue; + header_buf[strlen(header_buf) - 2] = '\0'; + if (ast_strlen_zero(header_buf)) + return process_message(s, &m) ? -1 : 0; + else if (m.hdrcount < (AST_MAX_MANHEADERS - 1)) + m.headers[m.hdrcount++] = ast_strdupa(header_buf); + } else { + return res; + } + } +} + +static void *session_do(void *data) +{ + struct mansession *s = data; + int res; + + astman_append(s, "Asterisk Call Manager/1.0\r\n"); + for (;;) { + if ((res = do_message(s)) < 0) + break; + } + if (s->authenticated) { + if (option_verbose > 1) { + if (displayconnects) + ast_verbose(VERBOSE_PREFIX_2 "Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(s->sin.sin_addr)); + } + ast_log(LOG_EVENT, "Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(s->sin.sin_addr)); + } else { + if (option_verbose > 1) { + if (displayconnects) + ast_verbose(VERBOSE_PREFIX_2 "Connect attempt from '%s' unable to authenticate\n", ast_inet_ntoa(s->sin.sin_addr)); + } + ast_log(LOG_EVENT, "Failed attempt from %s\n", ast_inet_ntoa(s->sin.sin_addr)); + } + + /* It is possible under certain circumstances for this session thread + to complete its work and exit *before* the thread that created it + has finished executing the ast_pthread_create_background() function. + If this occurs, some versions of glibc appear to act in a buggy + fashion and attempt to write data into memory that it thinks belongs + to the thread but is in fact not owned by the thread (or may have + been freed completely). + + Causing this thread to yield to other threads at least one time + appears to work around this bug. + */ + usleep(1); + + destroy_session(s); + return NULL; +} + +static void *accept_thread(void *ignore) +{ + int as; + struct sockaddr_in sin; + socklen_t sinlen; + struct eventqent *eqe; + struct mansession *s; + struct protoent *p; + int arg = 1; + int flags; + pthread_attr_t attr; + time_t now; + struct pollfd pfds[1]; + + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + + for (;;) { + time(&now); + AST_LIST_LOCK(&sessions); + AST_LIST_TRAVERSE_SAFE_BEGIN(&sessions, s, list) { + if (s->sessiontimeout && (now > s->sessiontimeout) && !s->inuse) { + AST_LIST_REMOVE_CURRENT(&sessions, list); + num_sessions--; + if (s->authenticated && (option_verbose > 1) && displayconnects) { + ast_verbose(VERBOSE_PREFIX_2 "HTTP Manager '%s' timed out from %s\n", + s->username, ast_inet_ntoa(s->sin.sin_addr)); + } + free_session(s); + break; + } + } + AST_LIST_TRAVERSE_SAFE_END + /* Purge master event queue of old, unused events, but make sure we + always keep at least one in the queue */ + eqe = master_eventq; + while (master_eventq->next && !master_eventq->usecount) { + eqe = master_eventq; + master_eventq = master_eventq->next; + free(eqe); + } + AST_LIST_UNLOCK(&sessions); + + sinlen = sizeof(sin); + pfds[0].fd = asock; + pfds[0].events = POLLIN; + /* Wait for something to happen, but timeout every few seconds so + we can ditch any old manager sessions */ + if (poll(pfds, 1, 5000) < 1) + continue; + as = accept(asock, (struct sockaddr *)&sin, &sinlen); + if (as < 0) { + ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno)); + continue; + } + p = getprotobyname("tcp"); + if (p) { + if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) { + ast_log(LOG_WARNING, "Failed to set manager tcp connection to TCP_NODELAY mode: %s\n", strerror(errno)); + } + } + if (!(s = ast_calloc(1, sizeof(*s)))) + continue; + + memcpy(&s->sin, &sin, sizeof(sin)); + s->writetimeout = 100; + s->waiting_thread = AST_PTHREADT_NULL; + + if (!block_sockets) { + /* For safety, make sure socket is non-blocking */ + flags = fcntl(as, F_GETFL); + fcntl(as, F_SETFL, flags | O_NONBLOCK); + } else { + flags = fcntl(as, F_GETFL); + fcntl(as, F_SETFL, flags & ~O_NONBLOCK); + } + ast_mutex_init(&s->__lock); + s->fd = as; + s->send_events = -1; + AST_LIST_LOCK(&sessions); + AST_LIST_INSERT_HEAD(&sessions, s, list); + num_sessions++; + /* Find the last place in the master event queue and hook ourselves + in there */ + s->eventq = master_eventq; + while(s->eventq->next) + s->eventq = s->eventq->next; + ast_atomic_fetchadd_int(&s->eventq->usecount, 1); + AST_LIST_UNLOCK(&sessions); + if (ast_pthread_create_background(&s->t, &attr, session_do, s)) + destroy_session(s); + } + pthread_attr_destroy(&attr); + return NULL; +} + +static int append_event(const char *str, int category) +{ + struct eventqent *tmp, *prev = NULL; + tmp = ast_malloc(sizeof(*tmp) + strlen(str)); + + if (!tmp) + return -1; + + tmp->next = NULL; + tmp->category = category; + strcpy(tmp->eventdata, str); + + if (master_eventq) { + prev = master_eventq; + while (prev->next) + prev = prev->next; + prev->next = tmp; + } else { + master_eventq = tmp; + } + + tmp->usecount = num_sessions; + + return 0; +} + +/*! \brief manager_event: Send AMI event to client */ +int manager_event(int category, const char *event, const char *fmt, ...) +{ + struct mansession *s; + char auth[80]; + va_list ap; + struct timeval now; + struct ast_dynamic_str *buf; + + /* Abort if there aren't any manager sessions */ + if (!num_sessions) + return 0; + + if (!(buf = ast_dynamic_str_thread_get(&manager_event_buf, MANAGER_EVENT_BUF_INITSIZE))) + return -1; + + ast_dynamic_str_thread_set(&buf, 0, &manager_event_buf, + "Event: %s\r\nPrivilege: %s\r\n", + event, authority_to_str(category, auth, sizeof(auth))); + + if (timestampevents) { + now = ast_tvnow(); + ast_dynamic_str_thread_append(&buf, 0, &manager_event_buf, + "Timestamp: %ld.%06lu\r\n", + now.tv_sec, (unsigned long) now.tv_usec); + } + + va_start(ap, fmt); + ast_dynamic_str_thread_append_va(&buf, 0, &manager_event_buf, fmt, ap); + va_end(ap); + + ast_dynamic_str_thread_append(&buf, 0, &manager_event_buf, "\r\n"); + + /* Append event to master list and wake up any sleeping sessions */ + AST_LIST_LOCK(&sessions); + append_event(buf->str, category); + AST_LIST_TRAVERSE(&sessions, s, list) { + ast_mutex_lock(&s->__lock); + if (s->waiting_thread != AST_PTHREADT_NULL) + pthread_kill(s->waiting_thread, SIGURG); + else + /* We have an event to process, but the mansession is + * not waiting for it. We still need to indicate that there + * is an event waiting so that get_input processes the pending + * event instead of polling. + */ + s->pending_event = 1; + ast_mutex_unlock(&s->__lock); + } + AST_LIST_UNLOCK(&sessions); + + return 0; +} + +int ast_manager_unregister(char *action) +{ + struct manager_action *cur, *prev; + + ast_rwlock_wrlock(&actionlock); + cur = prev = first_action; + while (cur) { + if (!strcasecmp(action, cur->action)) { + prev->next = cur->next; + free(cur); + if (option_verbose > 1) + ast_verbose(VERBOSE_PREFIX_2 "Manager unregistered action %s\n", action); + ast_rwlock_unlock(&actionlock); + return 0; + } + prev = cur; + cur = cur->next; + } + ast_rwlock_unlock(&actionlock); + return 0; +} + +static int manager_state_cb(char *context, char *exten, int state, void *data) +{ + /* Notify managers of change */ + manager_event(EVENT_FLAG_CALL, "ExtensionStatus", "Exten: %s\r\nContext: %s\r\nStatus: %d\r\n", exten, context, state); + return 0; +} + +static int ast_manager_register_struct(struct manager_action *act) +{ + struct manager_action *cur, *prev = NULL; + int ret; + + ast_rwlock_wrlock(&actionlock); + cur = first_action; + while (cur) { /* Walk the list of actions */ + ret = strcasecmp(cur->action, act->action); + if (ret == 0) { + ast_log(LOG_WARNING, "Manager: Action '%s' already registered\n", act->action); + ast_rwlock_unlock(&actionlock); + return -1; + } else if (ret > 0) { + /* Insert these alphabetically */ + if (prev) { + act->next = prev->next; + prev->next = act; + } else { + act->next = first_action; + first_action = act; + } + break; + } + prev = cur; + cur = cur->next; + } + + if (!cur) { + if (prev) + prev->next = act; + else + first_action = act; + act->next = NULL; + } + + if (option_verbose > 1) + ast_verbose(VERBOSE_PREFIX_2 "Manager registered action %s\n", act->action); + ast_rwlock_unlock(&actionlock); + return 0; +} + +/*! \brief register a new command with manager, including online help. This is + the preferred way to register a manager command */ +int ast_manager_register2(const char *action, int auth, int (*func)(struct mansession *s, const struct message *m), const char *synopsis, const char *description) +{ + struct manager_action *cur; + + cur = ast_malloc(sizeof(*cur)); + if (!cur) + return -1; + + cur->action = action; + cur->authority = auth; + cur->func = func; + cur->synopsis = synopsis; + cur->description = description; + cur->next = NULL; + + ast_manager_register_struct(cur); + + return 0; +} +/*! @} + END Doxygen group */ + +static struct mansession *find_session(uint32_t ident) +{ + struct mansession *s; + + AST_LIST_LOCK(&sessions); + AST_LIST_TRAVERSE(&sessions, s, list) { + ast_mutex_lock(&s->__lock); + if (s->sessiontimeout && (s->managerid == ident) && !s->needdestroy) { + s->inuse++; + break; + } + ast_mutex_unlock(&s->__lock); + } + AST_LIST_UNLOCK(&sessions); + + return s; +} + +int astman_verify_session_readpermissions(uint32_t ident, int perm) +{ + int result = 0; + struct mansession *s; + + AST_LIST_LOCK(&sessions); + AST_LIST_TRAVERSE(&sessions, s, list) { + ast_mutex_lock(&s->__lock); + if ((s->managerid == ident) && (s->readperm & perm)) { + result = 1; + ast_mutex_unlock(&s->__lock); + break; + } + ast_mutex_unlock(&s->__lock); + } + AST_LIST_UNLOCK(&sessions); + return result; +} + +int astman_verify_session_writepermissions(uint32_t ident, int perm) +{ + int result = 0; + struct mansession *s; + + AST_LIST_LOCK(&sessions); + AST_LIST_TRAVERSE(&sessions, s, list) { + ast_mutex_lock(&s->__lock); + if ((s->managerid == ident) && (s->writeperm & perm)) { + result = 1; + ast_mutex_unlock(&s->__lock); + break; + } + ast_mutex_unlock(&s->__lock); + } + AST_LIST_UNLOCK(&sessions); + return result; +} + +enum { + FORMAT_RAW, + FORMAT_HTML, + FORMAT_XML, +}; +static char *contenttype[] = { "plain", "html", "xml" }; + +static char *generic_http_callback(int format, struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength) +{ + struct mansession *s = NULL; + uint32_t ident = 0; + char workspace[512]; + char cookie[128]; + size_t len = sizeof(workspace); + int blastaway = 0; + char *c = workspace; + char *retval = NULL; + struct ast_variable *v; + + for (v = params; v; v = v->next) { + if (!strcasecmp(v->name, "mansession_id")) { + sscanf(v->value, "%x", &ident); + break; + } + } + + if (!(s = find_session(ident))) { + /* Create new session */ + if (!(s = ast_calloc(1, sizeof(*s)))) { + *status = 500; + goto generic_callback_out; + } + memcpy(&s->sin, requestor, sizeof(s->sin)); + s->fd = -1; + s->waiting_thread = AST_PTHREADT_NULL; + s->send_events = 0; + ast_mutex_init(&s->__lock); + ast_mutex_lock(&s->__lock); + s->inuse = 1; + /*!\note There is approximately a 1 in 1.8E19 chance that the following + * calculation will produce 0, which is an invalid ID, but due to the + * properties of the rand() function (and the constantcy of s), that + * won't happen twice in a row. + */ + while ((s->managerid = rand() ^ (unsigned long) s) == 0); + AST_LIST_LOCK(&sessions); + AST_LIST_INSERT_HEAD(&sessions, s, list); + /* Hook into the last spot in the event queue */ + s->eventq = master_eventq; + while (s->eventq->next) + s->eventq = s->eventq->next; + ast_atomic_fetchadd_int(&s->eventq->usecount, 1); + ast_atomic_fetchadd_int(&num_sessions, 1); + AST_LIST_UNLOCK(&sessions); + } + + /* Reset HTTP timeout. If we're not yet authenticated, keep it extremely short */ + time(&s->sessiontimeout); + if (!s->authenticated && (httptimeout > 5)) + s->sessiontimeout += 5; + else + s->sessiontimeout += httptimeout; + ast_mutex_unlock(&s->__lock); + + if (s) { + struct message m = { 0 }; + char tmp[80]; + unsigned int x; + size_t hdrlen; + + for (x = 0, v = params; v && (x < AST_MAX_MANHEADERS); x++, v = v->next) { + hdrlen = strlen(v->name) + strlen(v->value) + 3; + m.headers[m.hdrcount] = alloca(hdrlen); + snprintf((char *) m.headers[m.hdrcount], hdrlen, "%s: %s", v->name, v->value); + m.hdrcount = x + 1; + } + + if (process_message(s, &m)) { + if (s->authenticated) { + if (option_verbose > 1) { + if (displayconnects) + ast_verbose(VERBOSE_PREFIX_2 "HTTP Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(s->sin.sin_addr)); + } + ast_log(LOG_EVENT, "HTTP Manager '%s' logged off from %s\n", s->username, ast_inet_ntoa(s->sin.sin_addr)); + } else { + if (option_verbose > 1) { + if (displayconnects) + ast_verbose(VERBOSE_PREFIX_2 "HTTP Connect attempt from '%s' unable to authenticate\n", ast_inet_ntoa(s->sin.sin_addr)); + } + ast_log(LOG_EVENT, "HTTP Failed attempt from %s\n", ast_inet_ntoa(s->sin.sin_addr)); + } + s->needdestroy = 1; + } + ast_build_string(&c, &len, "Content-type: text/%s\r\n", contenttype[format]); + sprintf(tmp, "%08x", s->managerid); + ast_build_string(&c, &len, "%s\r\n", ast_http_setcookie("mansession_id", tmp, httptimeout, cookie, sizeof(cookie))); + if (format == FORMAT_HTML) + ast_build_string(&c, &len, "<title>Asterisk™ Manager Interface</title>"); + if (format == FORMAT_XML) { + ast_build_string(&c, &len, "<ajax-response>\n"); + } else if (format == FORMAT_HTML) { + ast_build_string(&c, &len, "<body bgcolor=\"#ffffff\"><table align=center bgcolor=\"#f1f1f1\" width=\"500\">\r\n"); + ast_build_string(&c, &len, "<tr><td colspan=\"2\" bgcolor=\"#f1f1ff\"><h1> Manager Tester</h1></td></tr>\r\n"); + } + ast_mutex_lock(&s->__lock); + if (s->outputstr) { + char *tmp; + if (format == FORMAT_XML) + tmp = xml_translate(s->outputstr->str, params); + else if (format == FORMAT_HTML) + tmp = html_translate(s->outputstr->str); + else + tmp = s->outputstr->str; + if (tmp) { + retval = malloc(strlen(workspace) + strlen(tmp) + 128); + if (retval) { + strcpy(retval, workspace); + strcpy(retval + strlen(retval), tmp); + c = retval + strlen(retval); + len = 120; + } + } + if (tmp != s->outputstr->str) + free(tmp); + free(s->outputstr); + s->outputstr = NULL; + } + ast_mutex_unlock(&s->__lock); + /* Still okay because c would safely be pointing to workspace even + if retval failed to allocate above */ + if (format == FORMAT_XML) { + ast_build_string(&c, &len, "</ajax-response>\n"); + } else if (format == FORMAT_HTML) + ast_build_string(&c, &len, "</table></body>\r\n"); + } else { + *status = 500; + *title = strdup("Server Error"); + } + ast_mutex_lock(&s->__lock); + if (s->needdestroy) { + if (s->inuse == 1) { + ast_log(LOG_DEBUG, "Need destroy, doing it now!\n"); + blastaway = 1; + } else { + ast_log(LOG_DEBUG, "Need destroy, but can't do it yet!\n"); + if (s->waiting_thread != AST_PTHREADT_NULL) + pthread_kill(s->waiting_thread, SIGURG); + s->inuse--; + } + } else + s->inuse--; + ast_mutex_unlock(&s->__lock); + + if (blastaway) + destroy_session(s); +generic_callback_out: + if (*status != 200) + return ast_http_error(500, "Server Error", NULL, "Internal Server Error (out of memory)\n"); + return retval; +} + +static char *manager_http_callback(struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength) +{ + return generic_http_callback(FORMAT_HTML, requestor, uri, params, status, title, contentlength); +} + +static char *mxml_http_callback(struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength) +{ + return generic_http_callback(FORMAT_XML, requestor, uri, params, status, title, contentlength); +} + +static char *rawman_http_callback(struct sockaddr_in *requestor, const char *uri, struct ast_variable *params, int *status, char **title, int *contentlength) +{ + return generic_http_callback(FORMAT_RAW, requestor, uri, params, status, title, contentlength); +} + +struct ast_http_uri rawmanuri = { + .description = "Raw HTTP Manager Event Interface", + .uri = "rawman", + .has_subtree = 0, + .callback = rawman_http_callback, +}; + +struct ast_http_uri manageruri = { + .description = "HTML Manager Event Interface", + .uri = "manager", + .has_subtree = 0, + .callback = manager_http_callback, +}; + +struct ast_http_uri managerxmluri = { + .description = "XML Manager Event Interface", + .uri = "mxml", + .has_subtree = 0, + .callback = mxml_http_callback, +}; + +static int registered = 0; +static int webregged = 0; + +int init_manager(void) +{ + struct ast_config *cfg = NULL, *ucfg = NULL; + const char *val; + char *cat = NULL; + int oldportno = portno; + static struct sockaddr_in ba; + int x = 1; + int flags; + int webenabled = 0; + int newhttptimeout = 60; + struct ast_manager_user *user = NULL; + + if (!registered) { + /* Register default actions */ + ast_manager_register2("Ping", 0, action_ping, "Keepalive command", mandescr_ping); + ast_manager_register2("Events", 0, action_events, "Control Event Flow", mandescr_events); + ast_manager_register2("Logoff", 0, action_logoff, "Logoff Manager", mandescr_logoff); + ast_manager_register2("Hangup", EVENT_FLAG_CALL, action_hangup, "Hangup Channel", mandescr_hangup); + ast_manager_register("Status", EVENT_FLAG_CALL, action_status, "Lists channel status" ); + ast_manager_register2("Setvar", EVENT_FLAG_CALL, action_setvar, "Set Channel Variable", mandescr_setvar ); + ast_manager_register2("Getvar", EVENT_FLAG_CALL, action_getvar, "Gets a Channel Variable", mandescr_getvar ); + ast_manager_register2("GetConfig", EVENT_FLAG_CONFIG, action_getconfig, "Retrieve configuration", mandescr_getconfig); + ast_manager_register2("UpdateConfig", EVENT_FLAG_CONFIG, action_updateconfig, "Update basic configuration", mandescr_updateconfig); + ast_manager_register2("Redirect", EVENT_FLAG_CALL, action_redirect, "Redirect (transfer) a call", mandescr_redirect ); + ast_manager_register2("Originate", EVENT_FLAG_CALL, action_originate, "Originate Call", mandescr_originate); + ast_manager_register2("Command", EVENT_FLAG_COMMAND, action_command, "Execute Asterisk CLI Command", mandescr_command ); + ast_manager_register2("ExtensionState", EVENT_FLAG_CALL, action_extensionstate, "Check Extension Status", mandescr_extensionstate ); + ast_manager_register2("AbsoluteTimeout", EVENT_FLAG_CALL, action_timeout, "Set Absolute Timeout", mandescr_timeout ); + ast_manager_register2("MailboxStatus", EVENT_FLAG_CALL, action_mailboxstatus, "Check Mailbox", mandescr_mailboxstatus ); + ast_manager_register2("MailboxCount", EVENT_FLAG_CALL, action_mailboxcount, "Check Mailbox Message Count", mandescr_mailboxcount ); + ast_manager_register2("ListCommands", 0, action_listcommands, "List available manager commands", mandescr_listcommands); + ast_manager_register2("UserEvent", EVENT_FLAG_USER, action_userevent, "Send an arbitrary event", mandescr_userevent); + ast_manager_register2("WaitEvent", 0, action_waitevent, "Wait for an event to occur", mandescr_waitevent); + + ast_cli_register_multiple(cli_manager, sizeof(cli_manager) / sizeof(struct ast_cli_entry)); + ast_extension_state_add(NULL, NULL, manager_state_cb, NULL); + registered = 1; + /* Append placeholder event so master_eventq never runs dry */ + append_event("Event: Placeholder\r\n\r\n", 0); + } + portno = DEFAULT_MANAGER_PORT; + displayconnects = 1; + cfg = ast_config_load("manager.conf"); + if (!cfg) { + ast_log(LOG_NOTICE, "Unable to open management configuration manager.conf. Call management disabled.\n"); + return 0; + } + val = ast_variable_retrieve(cfg, "general", "enabled"); + if (val) + enabled = ast_true(val); + + val = ast_variable_retrieve(cfg, "general", "block-sockets"); + if (val) + block_sockets = ast_true(val); + + val = ast_variable_retrieve(cfg, "general", "webenabled"); + if (val) + webenabled = ast_true(val); + + if ((val = ast_variable_retrieve(cfg, "general", "port"))) { + if (sscanf(val, "%d", &portno) != 1) { + ast_log(LOG_WARNING, "Invalid port number '%s'\n", val); + portno = DEFAULT_MANAGER_PORT; + } + } + + if ((val = ast_variable_retrieve(cfg, "general", "displayconnects"))) + displayconnects = ast_true(val); + + if ((val = ast_variable_retrieve(cfg, "general", "timestampevents"))) + timestampevents = ast_true(val); + + if ((val = ast_variable_retrieve(cfg, "general", "httptimeout"))) + newhttptimeout = atoi(val); + + memset(&ba, 0, sizeof(ba)); + ba.sin_family = AF_INET; + ba.sin_port = htons(portno); + + if ((val = ast_variable_retrieve(cfg, "general", "bindaddr"))) { + if (!inet_aton(val, &ba.sin_addr)) { + ast_log(LOG_WARNING, "Invalid address '%s' specified, using 0.0.0.0\n", val); + memset(&ba.sin_addr, 0, sizeof(ba.sin_addr)); + } + } + + + if ((asock > -1) && ((portno != oldportno) || !enabled)) { +#if 0 + /* Can't be done yet */ + close(asock); + asock = -1; +#else + ast_log(LOG_WARNING, "Unable to change management port / enabled\n"); +#endif + } + + AST_LIST_LOCK(&users); + + if ((ucfg = ast_config_load("users.conf"))) { + while ((cat = ast_category_browse(ucfg, cat))) { + int hasmanager = 0; + struct ast_variable *var = NULL; + + if (!strcasecmp(cat, "general")) { + continue; + } + + if (!(hasmanager = ast_true(ast_variable_retrieve(ucfg, cat, "hasmanager")))) { + continue; + } + + /* Look for an existing entry, if none found - create one and add it to the list */ + if (!(user = ast_get_manager_by_name_locked(cat))) { + if (!(user = ast_calloc(1, sizeof(*user)))) { + break; + } + /* Copy name over */ + ast_copy_string(user->username, cat, sizeof(user->username)); + /* Insert into list */ + AST_LIST_INSERT_TAIL(&users, user, list); + } + + /* Make sure we keep this user and don't destroy it during cleanup */ + user->keep = 1; + + for (var = ast_variable_browse(ucfg, cat); var; var = var->next) { + if (!strcasecmp(var->name, "secret")) { + if (user->secret) { + free(user->secret); + } + user->secret = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "deny") ) { + if (user->deny) { + free(user->deny); + } + user->deny = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "permit") ) { + if (user->permit) { + free(user->permit); + } + user->permit = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "read") ) { + if (user->read) { + free(user->read); + } + user->read = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "write") ) { + if (user->write) { + free(user->write); + } + user->write = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "displayconnects") ) { + user->displayconnects = ast_true(var->value); + } else if (!strcasecmp(var->name, "hasmanager")) { + /* already handled */ + } else { + ast_log(LOG_DEBUG, "%s is an unknown option (to the manager module).\n", var->name); + } + } + } + ast_config_destroy(ucfg); + } + + while ((cat = ast_category_browse(cfg, cat))) { + struct ast_variable *var = NULL; + + if (!strcasecmp(cat, "general")) + continue; + + /* Look for an existing entry, if none found - create one and add it to the list */ + if (!(user = ast_get_manager_by_name_locked(cat))) { + if (!(user = ast_calloc(1, sizeof(*user)))) + break; + /* Copy name over */ + ast_copy_string(user->username, cat, sizeof(user->username)); + /* Insert into list */ + AST_LIST_INSERT_TAIL(&users, user, list); + } + + /* Make sure we keep this user and don't destroy it during cleanup */ + user->keep = 1; + + var = ast_variable_browse(cfg, cat); + while (var) { + if (!strcasecmp(var->name, "secret")) { + if (user->secret) + free(user->secret); + user->secret = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "deny") ) { + if (user->deny) + free(user->deny); + user->deny = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "permit") ) { + if (user->permit) + free(user->permit); + user->permit = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "read") ) { + if (user->read) + free(user->read); + user->read = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "write") ) { + if (user->write) + free(user->write); + user->write = ast_strdup(var->value); + } else if (!strcasecmp(var->name, "displayconnects") ) + user->displayconnects = ast_true(var->value); + else + ast_log(LOG_DEBUG, "%s is an unknown option.\n", var->name); + var = var->next; + } + } + + /* Perform cleanup - essentially prune out old users that no longer exist */ + AST_LIST_TRAVERSE_SAFE_BEGIN(&users, user, list) { + if (user->keep) { + user->keep = 0; + continue; + } + /* We do not need to keep this user so take them out of the list */ + AST_LIST_REMOVE_CURRENT(&users, list); + /* Free their memory now */ + if (user->secret) + free(user->secret); + if (user->deny) + free(user->deny); + if (user->permit) + free(user->permit); + if (user->read) + free(user->read); + if (user->write) + free(user->write); + free(user); + } + AST_LIST_TRAVERSE_SAFE_END + + AST_LIST_UNLOCK(&users); + + ast_config_destroy(cfg); + + if (webenabled && enabled) { + if (!webregged) { + ast_http_uri_link(&rawmanuri); + ast_http_uri_link(&manageruri); + ast_http_uri_link(&managerxmluri); + webregged = 1; + } + } else { + if (webregged) { + ast_http_uri_unlink(&rawmanuri); + ast_http_uri_unlink(&manageruri); + ast_http_uri_unlink(&managerxmluri); + webregged = 0; + } + } + + if (newhttptimeout > 0) + httptimeout = newhttptimeout; + + /* If not enabled, do nothing */ + if (!enabled) + return 0; + + if (asock < 0) { + asock = socket(AF_INET, SOCK_STREAM, 0); + if (asock < 0) { + ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno)); + return -1; + } + setsockopt(asock, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x)); + if (bind(asock, (struct sockaddr *)&ba, sizeof(ba))) { + ast_log(LOG_WARNING, "Unable to bind socket: %s\n", strerror(errno)); + close(asock); + asock = -1; + return -1; + } + if (listen(asock, 2)) { + ast_log(LOG_WARNING, "Unable to listen on socket: %s\n", strerror(errno)); + close(asock); + asock = -1; + return -1; + } + flags = fcntl(asock, F_GETFL); + fcntl(asock, F_SETFL, flags | O_NONBLOCK); + if (option_verbose) + ast_verbose("Asterisk Management interface listening on port %d\n", portno); + ast_pthread_create_background(&t, NULL, accept_thread, NULL); + } + return 0; +} + +int reload_manager(void) +{ + manager_event(EVENT_FLAG_SYSTEM, "Reload", "Message: Reload Requested\r\n"); + return init_manager(); +} |