freeswitch/src/mod/xml_int/mod_xml_rpc/mod_xml_rpc.c

805 lines
20 KiB
C
Raw Normal View History

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* mod_xml_rpc.c -- XML RPC
*
*/
#include <switch.h>
#include <switch_version.h>
#ifdef _MSC_VER
#pragma warning(disable:4142)
#endif
#include <xmlrpc-c/base.h>
#ifdef ABYSS_WIN32
#undef strcasecmp
#endif
#include <xmlrpc-c/abyss.h>
#include <xmlrpc-c/server.h>
#include <xmlrpc-c/server_abyss.h>
#include "../../libs/xmlrpc-c/lib/abyss/src/token.h"
SWITCH_MODULE_LOAD_FUNCTION(mod_xml_rpc_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_xml_rpc_shutdown);
SWITCH_MODULE_RUNTIME_FUNCTION(mod_xml_rpc_runtime);
SWITCH_MODULE_DEFINITION(mod_xml_rpc, mod_xml_rpc_load, mod_xml_rpc_shutdown, mod_xml_rpc_runtime);
static struct {
uint16_t port;
uint8_t running;
char *realm;
char *user;
char *pass;
TServer abyssServer;
} globals;
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_realm, globals.realm);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_user, globals.user);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_pass, globals.pass);
static switch_status_t do_config(void)
{
char *cf = "xml_rpc.conf";
switch_xml_t cfg, xml, settings, param;
char *realm, *user, *pass;
realm = user = pass = NULL;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
return SWITCH_STATUS_TERM;
}
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "auth-realm")) {
realm = val;
} else if (!strcasecmp(var, "auth-user")) {
user = val;
} else if (!strcasecmp(var, "auth-pass")) {
pass = val;
} else if (!strcasecmp(var, "http-port")) {
globals.port = (uint16_t) atoi(val);
}
}
}
if (!globals.port) {
globals.port = 8080;
}
if (user && pass && realm) {
set_global_realm(realm);
set_global_user(user);
set_global_pass(pass);
}
switch_xml_free(xml);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_LOAD_FUNCTION(mod_xml_rpc_load)
{
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
memset(&globals, 0, sizeof(globals));
do_config();
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t http_stream_raw_write(switch_stream_handle_t *handle, uint8_t *data, switch_size_t datalen)
{
TSession *r = handle->data;
return HTTPWrite(r, (char *)data, (uint32_t) datalen) ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
}
static switch_status_t http_stream_write(switch_stream_handle_t *handle, const char *fmt, ...)
{
va_list ap;
TSession *r = handle->data;
int ret = 0;
char *data;
va_start(ap, fmt);
ret = switch_vasprintf(&data, fmt, ap);
va_end(ap);
if (data) {
ret = 0;
HTTPWrite(r, data, (uint32_t) strlen(data));
free(data);
}
return ret ? SWITCH_STATUS_FALSE : SWITCH_STATUS_SUCCESS;
}
static abyss_bool http_directory_auth(TSession *r, char *domain_name)
{
char *p, *x;
char z[256], t[80];
char user[512];
char *pass;
const char *mypass1 = NULL, *mypass2 = NULL;
switch_xml_t x_domain, x_domain_root = NULL, x_user, x_params, x_param;
const char *box;
int at = 0;
p = RequestHeaderValue(r, "authorization");
if (p) {
NextToken(&p);
x = GetToken(&p);
if (x) {
if (!strcasecmp(x,"basic")) {
NextToken(&p);
switch_b64_decode(p, user, sizeof(user));
if ((pass = strchr(user, ':'))) {
*pass++ = '\0';
}
if (!domain_name) {
if ((domain_name = strchr(user, '@'))) {
*domain_name++ = '\0';
at++;
} else {
domain_name = r->host;
if (!strncasecmp(domain_name, "www.", 3)) {
domain_name += 4;
}
}
}
if (!domain_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "can't find user [%s] no domain!\n", user);
goto fail;
}
if (switch_xml_locate_user("id", user, domain_name, NULL, &x_domain_root, &x_domain, &x_user, "mailbox=check") != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "can't find user [%s@%s]\n", user, domain_name);
goto fail;
}
box = switch_xml_attr_soft(x_user, "mailbox");
for (x_param = switch_xml_child(x_domain, "param"); x_param; x_param = x_param->next) {
const char *var = switch_xml_attr_soft(x_param, "name");
const char *val = switch_xml_attr_soft(x_param, "value");
if (!strcasecmp(var, "password")) {
mypass1 = val;
} else if (!strcasecmp(var, "vm-password")) {
mypass2 = val;
} else if (!strncasecmp(var, "http-", 5)) {
ResponseAddField(r, (char *)var, (char *)val);
}
}
if (!(x_params = switch_xml_child(x_user, "params"))) {
goto authed;
}
for (x_param = switch_xml_child(x_params, "param"); x_param; x_param = x_param->next) {
const char *var = switch_xml_attr_soft(x_param, "name");
const char *val = switch_xml_attr_soft(x_param, "value");
if (!strcasecmp(var, "password")) {
mypass1 = val;
} else if (!strcasecmp(var, "vm-password")) {
mypass2 = val;
} else if (!strncasecmp(var, "http-", 5)) {
ResponseAddField(r, (char *)var, (char *)val);
}
}
if (!(mypass1 && mypass2)) {
r->user=strdup(user);
goto authed;
} else {
if (mypass1) {
if (at) {
snprintf(z, sizeof(z), "%s@%s:%s", user, domain_name, mypass1);
} else {
snprintf(z, sizeof(z), "%s:%s", user, mypass1);
}
Base64Encode(z, t);
if (!strcmp(p, t)) {
r->user=strdup(box ? box : user);
goto authed;
}
}
if (mypass2) {
if (at) {
snprintf(z, sizeof(z), "%s@%s:%s", user, domain_name, mypass2);
} else {
snprintf(z, sizeof(z), "%s:%s", user, mypass2);
}
Base64Encode(z, t);
if (!strcmp(p, t)) {
r->user=strdup(box ? box : user);
goto authed;
}
}
if (box) {
if (mypass1) {
if (at) {
snprintf(z, sizeof(z), "%s@%s:%s", box, domain_name, mypass1);
} else {
snprintf(z, sizeof(z), "%s:%s", box, mypass1);
}
Base64Encode(z, t);
if (!strcmp(p, t)) {
r->user=strdup(box);
goto authed;
}
}
if (mypass2) {
if (at) {
snprintf(z, sizeof(z), "%s@%s:%s", box, domain_name, mypass2);
} else {
snprintf(z, sizeof(z), "%s:%s", box, mypass2);
}
Base64Encode(z, t);
if (!strcmp(p, t)) {
r->user=strdup(box);
goto authed;
}
}
}
}
goto fail;
authed:
ResponseAddField(r, "freeswitch-user", r->user);
ResponseAddField(r, "freeswitch-domain", domain_name);
if (x_domain_root) {
switch_xml_free(x_domain_root);
}
return TRUE;
}
}
}
fail:
if (x_domain_root) {
switch_xml_free(x_domain_root);
}
snprintf(z, sizeof(z), "Basic realm=\"%s\"", domain_name);
ResponseAddField(r, "WWW-Authenticate", z);
ResponseStatus(r, 401);
return FALSE;
}
abyss_bool auth_hook(TSession * r)
{
char *domain_name, *e;
abyss_bool ret = FALSE;
if (!strncmp(r->uri, "/domains/", 9)) {
domain_name = strdup(r->uri + 9);
assert(domain_name);
if ((e = strchr(domain_name, '/'))) {
*e++ = '\0';
}
if (!strcmp(domain_name, "this")) {
free(domain_name);
domain_name = strdup(r->host);
}
ret = !http_directory_auth(r, domain_name);
free(domain_name);
} else {
char tmp[512];
const char *list[2] = {"index.html", "index.txt"};
int x;
if (!strncmp(r->uri, "/pub", 4)) {
char *p = r->uri;
char *new_uri = p + 4;
if (!new_uri) {
new_uri = "/";
}
snprintf(tmp, sizeof(tmp), "%s%s",
SWITCH_GLOBAL_dirs.htdocs_dir,
new_uri
);
if (switch_directory_exists(tmp, NULL) == SWITCH_STATUS_SUCCESS) {
for (x = 0; x < 2; x++) {
snprintf(tmp, sizeof(tmp), "%s%s%s%s",
SWITCH_GLOBAL_dirs.htdocs_dir,
new_uri,
end_of(new_uri) == *SWITCH_PATH_SEPARATOR ? "" : SWITCH_PATH_SEPARATOR,
list[x]
);
if (switch_file_exists(tmp, NULL) == SWITCH_STATUS_SUCCESS) {
snprintf(tmp, sizeof(tmp), "%s%s%s",
new_uri,
end_of(new_uri) == '/' ? "" : "/",
list[x]
);
new_uri = tmp;
break;
}
}
}
r->uri = strdup(new_uri);
free(p);
} else {
if (globals.realm && strncmp(r->uri, "/pub", 4)) {
ret = !http_directory_auth(r, NULL);
if (ret) {
ret = !RequestAuth(r, globals.realm, globals.user, globals.pass);
}
}
}
}
return ret;
}
abyss_bool handler_hook(TSession * r)
{
//char *mime = "text/html";
char buf[80] = "HTTP/1.1 200 OK\n";
switch_stream_handle_t stream = { 0 };
char *command;
int i, j = 0;
TTableItem *ti;
char *dup = NULL;
int auth = 0;
char *fs_user = NULL, *fs_domain = NULL;
char *path_info = NULL;
abyss_bool ret = TRUE;
int html = 0;
stream.data = r;
stream.write_function = http_stream_write;
stream.raw_write_function = http_stream_raw_write;
if ((command = strstr(r->uri, "/api/"))) {
command += 5;
} else if ((command = strstr(r->uri, "/webapi/"))) {
command += 8;
html++;
} else {
ret = FALSE;
goto end;
}
if ((path_info = strchr(command, '/'))) {
*path_info++ = '\0';
}
for (i=0;i<r->response_headers.size;i++) {
ti=&r->response_headers.item[i];
if (!strcasecmp(ti->name, "freeswitch-user")) {
fs_user = ti->value;
} else if (!strcasecmp(ti->name, "freeswitch-domain")) {
fs_domain = ti->value;
} else if (!strcasecmp(ti->name, "http-allowed-api")) {
int argc, x;
char *argv[256] = { 0 };
j++;
if (!strcasecmp(ti->value, "any")) {
auth++;
}
dup = strdup(ti->value);
argc = switch_separate_string(dup, ',', argv, (sizeof(argv) / sizeof(argv[0])));
for (x = 0; x < argc; x++) {
if (!strcasecmp(command, argv[x])) {
auth++;
}
}
}
}
if (fs_user && fs_domain && !j) {
auth = 0;
}
if (auth) {
goto auth;
}
//unauth:
ResponseStatus(r, 403);
ResponseError(r);
switch_safe_free(dup);
ret = TRUE;
goto end;
auth:
if (switch_event_create(&stream.event, SWITCH_EVENT_API) == SWITCH_STATUS_SUCCESS) {
const char * const content_length = RequestHeaderValue(r, "content-length");
if (fs_user)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "FreeSWITCH-User", "%s", fs_user);
if (fs_domain)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "FreeSWITCH-Domain", "%s", fs_domain);
if (path_info)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-Path-Info", "%s", path_info);
if (r->uri)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-URI", "%s", r->uri);
if (r->query)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-QUERY", "%s", r->query);
if (r->host)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-HOST", "%s", r->host);
if (r->from)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-FROM", "%s", r->from);
if (r->useragent)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-USER-AGENT", "%s", r->useragent);
if (r->referer)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-REFERER", "%s", r->referer);
if (r->requestline)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-REQUESTLINE", "%s", r->requestline);
if (r->user)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-USER", "%s", r->user);
if (r->port)
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-PORT", "%u", r->port);
if (r->query || content_length) {
char *q, *qd;
char *next;
char *query = r->query;
char *name, *val;
char qbuf[8192] = "";
if (r->method == m_post && content_length) {
int len = atoi(content_length);
int qlen = 0;
if (len > 0) {
int succeeded;
char *qp = qbuf;
do {
int blen = r->conn->buffersize - r->conn->bufferpos;
if ((qlen + blen) > len) {
blen = len - qlen;
}
qlen += blen;
if ( qlen > sizeof(qbuf) ) {
break;
}
memcpy(qp, r->conn->buffer + r->conn->bufferpos, blen);
qp += blen;
if (qlen >= len) {
break;
}
} while ((succeeded = ConnRead(r->conn, r->server->timeout)));
query = qbuf;
}
}
if (query) {
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, "HTTP-QUERY", "%s", query);
qd = strdup(query);
assert(qd != NULL);
q = qd;
next = q;
do {
char *p;
if ((next = strchr(next, '&'))) {
*next++ = '\0';
}
for (p = q; p && *p; p++) {
if (*p == '+') {
*p = ' ';
}
}
switch_url_decode(q);
name = q;
if ((val = strchr(name, '='))) {
*val++ = '\0';
switch_event_add_header(stream.event, SWITCH_STACK_BOTTOM, name, "%s", val);
}
q = next;
} while (q != NULL);
free(qd);
}
}
}
//ResponseChunked(r);
//ResponseContentType(r, mime);
//ResponseWrite(r);
HTTPWrite(r, buf, (uint32_t) strlen(buf));
//HTTPWrite(r, "<pre>\n\n", 7);
/* generation of the date field */
if (DateToString(&r->date, buf)) {
ResponseAddField(r,"Date", buf);
}
/* Generation of the server field */
ResponseAddField(r,"Server", "FreeSWITCH-" SWITCH_VERSION_FULL "-mod_xml_rpc");
if (html) {
ResponseAddField(r, "Content-Type", "text/html");
}
for (i=0;i<r->response_headers.size;i++) {
ti=&r->response_headers.item[i];
ConnWrite(r->conn, ti->name, (uint32_t)strlen(ti->name));
ConnWrite(r->conn,": ",2);
ConnWrite(r->conn, ti->value, (uint32_t)strlen(ti->value));
ConnWrite(r->conn,CRLF,2);
}
snprintf(buf, sizeof(buf), "Connection: close\r\n");
ConnWrite(r->conn, buf, (uint32_t) strlen(buf));
if (html) {
ConnWrite(r->conn, "\r\n", 2);
}
if (switch_api_execute(command, r->query, NULL, &stream) == SWITCH_STATUS_SUCCESS) {
ResponseStatus(r, 200);
r->done = TRUE;
} else {
ResponseStatus(r, 404);
ResponseError(r);
}
SocketClose(&(r->conn->socket));
HTTPWriteEnd(r);
ConnClose(r->conn);
end:
return ret;
}
static xmlrpc_value *freeswitch_api(xmlrpc_env * const envP, xmlrpc_value * const paramArrayP, void *const userData)
{
char *command = NULL, *arg = NULL;
switch_stream_handle_t stream = { 0 };
xmlrpc_value *val = NULL;
/* Parse our argument array. */
xmlrpc_decompose_value(envP, paramArrayP, "(ss)", &command, &arg);
if (envP->fault_occurred) {
goto done;
}
SWITCH_STANDARD_STREAM(stream);
if (switch_api_execute(command, arg, NULL, &stream) == SWITCH_STATUS_SUCCESS) {
/* Return our result. */
val = xmlrpc_build_value(envP, "s", stream.data);
free(stream.data);
} else {
val = xmlrpc_build_value(envP, "s", "ERROR!");
}
done:
/* xmlrpc-c requires us to free memory it malloced from xmlrpc_decompose_value */
switch_safe_free(command);
switch_safe_free(arg);
return val;
}
static xmlrpc_value *freeswitch_man(xmlrpc_env * const envP, xmlrpc_value * const paramArrayP, void *const userData)
{
char *oid = NULL, *relative_oid, *s_action = NULL, *data = NULL;
char buf[SWITCH_MAX_MANAGEMENT_BUFFER_LEN] = "";
switch_management_action_t action = SMA_NONE;
xmlrpc_value *val = NULL;
/* Parse our argument array. */
xmlrpc_decompose_value(envP, paramArrayP, "(sss)", &oid, &s_action, &data);
if (envP->fault_occurred) {
goto done;
}
if (!strncasecmp(oid, FREESWITCH_OID_PREFIX, strlen(FREESWITCH_OID_PREFIX))) {
relative_oid = oid + strlen(FREESWITCH_OID_PREFIX);
} else {
relative_oid = oid;
}
if (!switch_strlen_zero(data)) {
switch_copy_string(buf, data, sizeof(buf));
}
if (!strcasecmp(s_action, "get")) {
action = SMA_GET;
} else if (!strcasecmp(s_action, "set")) {
action = SMA_SET;
}
if (action) {
if (switch_core_management_exec(relative_oid, action, buf, sizeof(buf)) == SWITCH_STATUS_SUCCESS) {
if (action == SMA_SET) {
if (*buf != '\0') {
snprintf(buf, sizeof(buf), "OK\n");
}
}
} else {
if (*buf != '\0') {
snprintf(buf, sizeof(buf), "ERROR\n");
}
}
} else {
snprintf(buf, sizeof(buf), "Invalid Action %s\n", s_action);
}
/* Return our result. */
val = xmlrpc_build_value(envP, "s", buf);
done:
/* xmlrpc-c requires us to free memory it malloced from xmlrpc_decompose_value */
switch_safe_free(oid);
switch_safe_free(s_action);
switch_safe_free(data);
return val;
}
SWITCH_MODULE_RUNTIME_FUNCTION(mod_xml_rpc_runtime)
{
xmlrpc_registry *registryP;
xmlrpc_env env;
char logfile[512];
switch_hash_index_t *hi;
const void *var;
void *val;
globals.running = 1;
xmlrpc_env_init(&env);
registryP = xmlrpc_registry_new(&env);
xmlrpc_registry_add_method(&env, registryP, NULL, "freeswitch.api", &freeswitch_api, NULL);
xmlrpc_registry_add_method(&env, registryP, NULL, "freeswitch_api", &freeswitch_api, NULL);
xmlrpc_registry_add_method(&env, registryP, NULL, "freeswitch.management", &freeswitch_man, NULL);
xmlrpc_registry_add_method(&env, registryP, NULL, "freeswitch_management", &freeswitch_man, NULL);
MIMETypeInit();
MIMETypeAdd("text/html", "html");
for(hi = switch_core_mime_index(); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
if (var && val) {
MIMETypeAdd((char *) val, (char *) var);
}
}
snprintf(logfile, sizeof(logfile), "%s%s%s", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR, "freeswitch_http.log");
ServerCreate(&globals.abyssServer, "XmlRpcServer", globals.port, SWITCH_GLOBAL_dirs.htdocs_dir, logfile);
xmlrpc_server_abyss_set_handler(&env, &globals.abyssServer, "/RPC2", registryP);
if (ServerInit(&globals.abyssServer) != TRUE) {
globals.running = 0;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to start HTTP Port %d\n", globals.port);
return SWITCH_STATUS_TERM;
}
ServerAddHandler(&globals.abyssServer, handler_hook);
ServerAddHandler(&globals.abyssServer, auth_hook);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Starting HTTP Port %d, DocRoot [%s]\n", globals.port, SWITCH_GLOBAL_dirs.htdocs_dir);
while (globals.running) {
//ServerRunOnce2(&globals.abyssServer, ABYSS_FOREGROUND);
ServerRun(&globals.abyssServer);
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_xml_rpc_shutdown)
{
globals.abyssServer.running = 0;
globals.running = 0;
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/