337 lines
11 KiB
C++
337 lines
11 KiB
C++
//
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// ZoneMinder Streaming Server, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <cinttypes>
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#include <string>
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#include "zm.h"
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#include "zm_db.h"
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#include "zm_user.h"
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#include "zm_signal.h"
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#include "zm_monitor.h"
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#include "zm_monitorstream.h"
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#include "zm_eventstream.h"
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#include "zm_fifo.h"
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bool ValidateAccess(User *user, int mon_id) {
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bool allowed = true;
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if ( mon_id > 0 ) {
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if ( user->getStream() < User::PERM_VIEW )
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allowed = false;
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if ( !user->canAccess(mon_id) )
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allowed = false;
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} else {
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if ( user->getEvents() < User::PERM_VIEW )
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allowed = false;
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}
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if ( !allowed ) {
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Error("Insufficient privileges for request user %d %s for monitor %d",
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user->Id(), user->getUsername(), mon_id);
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}
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return allowed;
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}
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int main(int argc, const char *argv[]) {
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self = argv[0];
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srand(getpid() * time(0));
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enum { ZMS_UNKNOWN, ZMS_MONITOR, ZMS_EVENT, ZMS_FIFO } source = ZMS_UNKNOWN;
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enum { ZMS_JPEG, ZMS_MPEG, ZMS_RAW, ZMS_ZIP, ZMS_SINGLE } mode = ZMS_JPEG;
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char format[32] = "";
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int monitor_id = 0;
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time_t event_time = 0;
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uint64_t event_id = 0;
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unsigned int frame_id = 1;
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unsigned int scale = 100;
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unsigned int rate = 100;
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double maxfps = 10.0;
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unsigned int bitrate = 100000;
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unsigned int ttl = 0;
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EventStream::StreamMode replay = EventStream::MODE_NONE;
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std::string username;
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std::string password;
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char auth[64] = "";
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std::string jwt_token_str = "";
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unsigned int connkey = 0;
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unsigned int playback_buffer = 0;
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bool nph = false;
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const char *basename = strrchr(argv[0], '/');
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if ( basename ) // if we found a / lets skip past it
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basename++;
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else // argv[0] might not contain the full path, but just the script name
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basename = argv[0];
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const char *nph_prefix = "nph-";
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if ( basename && !strncmp(basename, nph_prefix, strlen(nph_prefix)) ) {
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nph = true;
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}
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zmLoadConfig();
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char log_id_string[32] = "zms";
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logInit(log_id_string);
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const char *query = getenv("QUERY_STRING");
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if ( query ) {
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Debug(1, "Query: %s", query);
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char temp_query[1024];
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strncpy(temp_query, query, sizeof(temp_query)-1);
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char *q_ptr = temp_query;
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char *parms[16]; // Shouldn't be more than this
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int parm_no = 0;
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while ( (parm_no < 16) && (parms[parm_no] = strtok(q_ptr, "&")) ) {
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parm_no++;
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q_ptr = NULL;
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}
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for ( int p = 0; p < parm_no; p++ ) {
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char *name = strtok(parms[p], "=");
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char const *value = strtok(NULL, "=");
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if ( !value )
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value = "";
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if ( !strcmp(name, "source") ) {
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source = !strcmp(value, "event")?ZMS_EVENT:ZMS_MONITOR;
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if ( !strcmp(value, "fifo") )
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source = ZMS_FIFO;
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} else if ( !strcmp(name, "mode") ) {
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mode = !strcmp(value, "jpeg")?ZMS_JPEG:ZMS_MPEG;
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mode = !strcmp(value, "raw")?ZMS_RAW:mode;
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mode = !strcmp(value, "zip")?ZMS_ZIP:mode;
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mode = !strcmp(value, "single")?ZMS_SINGLE:mode;
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} else if ( !strcmp(name, "format") ) {
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strncpy( format, value, sizeof(format) );
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} else if ( !strcmp(name, "monitor") ) {
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monitor_id = atoi(value);
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if ( source == ZMS_UNKNOWN )
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source = ZMS_MONITOR;
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} else if ( !strcmp(name, "time") ) {
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event_time = atoi(value);
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} else if ( !strcmp(name, "event") ) {
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event_id = strtoull(value, NULL, 10);
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source = ZMS_EVENT;
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} else if ( !strcmp(name, "frame") ) {
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frame_id = strtoull(value, NULL, 10);
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source = ZMS_EVENT;
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} else if ( !strcmp(name, "scale") ) {
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scale = atoi(value);
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} else if ( !strcmp(name, "rate") ) {
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rate = atoi(value);
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} else if ( !strcmp(name, "maxfps") ) {
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maxfps = atof(value);
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} else if ( !strcmp(name, "bitrate") ) {
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bitrate = atoi(value);
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} else if ( !strcmp(name, "ttl") ) {
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ttl = atoi(value);
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} else if ( !strcmp(name, "replay") ) {
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if ( !strcmp(value, "gapless") ) {
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replay = EventStream::MODE_ALL_GAPLESS;
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} else if ( !strcmp(value, "all") ) {
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replay = EventStream::MODE_ALL;
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} else if ( !strcmp(value, "none") ) {
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replay = EventStream::MODE_NONE;
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} else if ( !strcmp(value, "single") ) {
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replay = EventStream::MODE_SINGLE;
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} else {
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Error("Unsupported value %s for replay, defaulting to none", value);
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}
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} else if ( !strcmp(name, "connkey") ) {
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connkey = atoi(value);
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} else if ( !strcmp(name, "buffer") ) {
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playback_buffer = atoi(value);
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} else if ( !strcmp(name, "auth") ) {
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strncpy(auth, value, sizeof(auth)-1);
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} else if ( !strcmp(name, "token") ) {
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jwt_token_str = value;
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Debug(1, "ZMS: JWT token found: %s", jwt_token_str.c_str());
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} else if ( !strcmp(name, "user") ) {
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username = UriDecode(value);
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} else if ( !strcmp(name, "pass") ) {
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password = UriDecode(value);
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Debug(1, "Have %s for password", password.c_str());
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} else {
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Debug(1, "Unknown parameter passed to zms %s=%s", name, value);
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} // end if possible parameter names
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} // end foreach parm
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} else {
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Fatal("No query string.");
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} // end if query
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if ( monitor_id ) {
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snprintf(log_id_string, sizeof(log_id_string), "zms_m%d", monitor_id);
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} else {
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snprintf(log_id_string, sizeof(log_id_string), "zms_e%" PRIu64, event_id);
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}
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logInit(log_id_string);
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if ( config.opt_use_auth ) {
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User *user = NULL;
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if ( jwt_token_str != "" ) {
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// user = zmLoadTokenUser(jwt_token_str, config.auth_hash_ips);
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user = zmLoadTokenUser(jwt_token_str, false);
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} else if ( strcmp(config.auth_relay, "none") == 0 ) {
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if ( checkUser(username.c_str()) ) {
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user = zmLoadUser(username.c_str());
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} else {
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Error("Bad username");
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}
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} else {
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if ( *auth ) {
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user = zmLoadAuthUser(auth, config.auth_hash_ips);
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} else if ( username.length() && password.length() ) {
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user = zmLoadUser(username.c_str(), password.c_str());
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}
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}
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if ( !user ) {
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fputs("HTTP/1.0 403 Forbidden\r\n\r\n", stdout);
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Error("Unable to authenticate user");
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logTerm();
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zmDbClose();
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return 0;
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}
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if ( !ValidateAccess(user, monitor_id) ) {
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delete user;
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user = NULL;
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fputs("HTTP/1.0 403 Forbidden\r\n\r\n", stdout);
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logTerm();
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zmDbClose();
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return 0;
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}
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delete user;
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user = NULL;
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} // end if config.opt_use_auth
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hwcaps_detect();
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zmSetDefaultTermHandler();
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zmSetDefaultDieHandler();
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setbuf(stdout, 0);
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if ( nph ) {
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fputs("HTTP/1.0 200 OK\r\n", stdout);
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}
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fprintf(stdout, "Server: ZoneMinder Video Server/%s\r\n", ZM_VERSION);
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time_t now = time(0);
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char date_string[64];
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strftime(date_string, sizeof(date_string)-1,
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"%a, %d %b %Y %H:%M:%S GMT", gmtime(&now));
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fputs("Last-Modified: ", stdout);
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fputs(date_string, stdout);
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fputs(
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"\r\nExpires: Mon, 26 Jul 1997 05:00:00 GMT\r\n"
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"Cache-Control: no-store, no-cache, must-revalidate\r\n"
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"Cache-Control: post-check=0, pre-check=0\r\n"
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"Pragma: no-cache\r\n",
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stdout);
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if ( source == ZMS_MONITOR ) {
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MonitorStream stream;
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stream.setStreamScale(scale);
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stream.setStreamReplayRate(rate);
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stream.setStreamMaxFPS(maxfps);
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stream.setStreamTTL(ttl);
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stream.setStreamQueue(connkey);
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stream.setStreamBuffer(playback_buffer);
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if ( !stream.setStreamStart(monitor_id) ) {
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Error("Unable to connect to zmc process for monitor %d", monitor_id);
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fprintf(stderr, "Unable to connect to zmc process. "
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" Please ensure that it is running.");
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logTerm();
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zmDbClose();
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return -1;
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}
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if ( mode == ZMS_JPEG ) {
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stream.setStreamType(MonitorStream::STREAM_JPEG);
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} else if ( mode == ZMS_RAW ) {
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stream.setStreamType(MonitorStream::STREAM_RAW);
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} else if ( mode == ZMS_ZIP ) {
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stream.setStreamType(MonitorStream::STREAM_ZIP);
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} else if ( mode == ZMS_SINGLE ) {
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stream.setStreamType(MonitorStream::STREAM_SINGLE);
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} else {
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#if HAVE_LIBAVCODEC
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stream.setStreamFormat(format);
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stream.setStreamBitrate(bitrate);
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stream.setStreamType(MonitorStream::STREAM_MPEG);
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#else // HAVE_LIBAVCODEC
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Error("MPEG streaming of '%s' attempted while disabled", query);
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fprintf(stderr, "MPEG streaming is disabled.\n"
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"You should configure with the --with-ffmpeg"
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" option and rebuild to use this functionality.\n");
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logTerm();
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zmDbClose();
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return -1;
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#endif // HAVE_LIBAVCODEC
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}
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stream.runStream();
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} else if ( source == ZMS_FIFO ) {
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FifoStream stream;
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stream.setStreamMaxFPS(maxfps);
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stream.setStreamStart(monitor_id, format);
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stream.runStream();
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} else if ( source == ZMS_EVENT ) {
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if ( !event_id ) {
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Fatal("Can't view an event without specifying an event_id.");
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}
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EventStream stream;
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stream.setStreamScale(scale);
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stream.setStreamReplayRate(rate);
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stream.setStreamMaxFPS(maxfps);
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stream.setStreamMode(replay);
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stream.setStreamQueue(connkey);
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if ( monitor_id && event_time ) {
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stream.setStreamStart(monitor_id, event_time);
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} else {
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Debug(3, "Setting stream start to frame (%d)", frame_id);
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stream.setStreamStart(event_id, frame_id);
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}
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if ( mode == ZMS_JPEG ) {
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stream.setStreamType(EventStream::STREAM_JPEG);
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} else {
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#if HAVE_LIBAVCODEC
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stream.setStreamFormat(format);
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stream.setStreamBitrate(bitrate);
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stream.setStreamType(EventStream::STREAM_MPEG);
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#else // HAVE_LIBAVCODEC
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Error("MPEG streaming of '%s' attempted while disabled", query);
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fprintf(stderr, "MPEG streaming is disabled.\n"
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"You should ensure the ffmpeg libraries are installed and detected"
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" and rebuild to use this functionality.\n");
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logTerm();
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zmDbClose();
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return -1;
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#endif // HAVE_LIBAVCODEC
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} // end if jpeg or mpeg
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stream.runStream();
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} else {
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Error("Neither a monitor or event was specified.");
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} // end if monitor or event
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logTerm();
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zmDbClose();
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return 0;
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}
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