340 lines
9.1 KiB
C++
340 lines
9.1 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "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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bool ValidateAccess( User *user, int mon_id )
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{
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bool allowed = true;
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if ( mon_id > 0 )
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{
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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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}
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else
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{
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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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{
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Error( "Error, insufficient privileges for requested action" );
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exit( -1 );
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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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{
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self = argv[0];
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srand( getpid() * time( 0 ) );
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enum { ZMS_MONITOR, ZMS_EVENT } source = ZMS_MONITOR;
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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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int event_id = 0;
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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_SINGLE;
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char username[64] = "";
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char password[64] = "";
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char auth[64] = "";
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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] will not always contain the full path, but rather 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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{
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nph = true;
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}
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zmLoadConfig();
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logInit( "zms" );
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ssedetect();
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zmSetDefaultTermHandler();
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zmSetDefaultDieHandler();
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const char *query = getenv( "QUERY_STRING" );
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if ( query )
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{
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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) );
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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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{
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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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{
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char *name = strtok( parms[p], "=" );
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char *value = strtok( NULL, "=" );
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if ( !value )
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value = (char *)"";
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if ( !strcmp( name, "source" ) )
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{
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source = !strcmp( value, "event" )?ZMS_EVENT:ZMS_MONITOR;
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}
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else if ( !strcmp( name, "mode" ) )
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{
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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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}
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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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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, (char **)NULL, 10 );
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else if ( !strcmp( name, "frame" ) )
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frame_id = strtoull( value, (char **)NULL, 10 );
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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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{
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replay = !strcmp( value, "gapless" )?EventStream::MODE_ALL_GAPLESS:EventStream::MODE_SINGLE;
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replay = !strcmp( value, "all" )?EventStream::MODE_ALL:replay;
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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 ( config.opt_use_auth )
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{
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if ( strcmp( config.auth_relay, "none" ) == 0 )
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{
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if ( !strcmp( name, "user" ) )
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{
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strncpy( username, value, sizeof(username) );
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}
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}
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else
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{
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//if ( strcmp( config.auth_relay, "hashed" ) == 0 )
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{
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if ( !strcmp( name, "auth" ) )
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{
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strncpy( auth, value, sizeof(auth) );
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}
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}
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//else if ( strcmp( config.auth_relay, "plain" ) == 0 )
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{
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if ( !strcmp( name, "user" ) )
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{
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strncpy( username, value, sizeof(username) );
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}
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if ( !strcmp( name, "pass" ) )
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{
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strncpy( password, value, sizeof(password) );
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}
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}
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}
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}
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}
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}
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if ( config.opt_use_auth )
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{
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User *user = 0;
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if ( strcmp( config.auth_relay, "none" ) == 0 )
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{
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if ( *username )
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{
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user = zmLoadUser( username );
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}
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}
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else
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{
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//if ( strcmp( config.auth_relay, "hashed" ) == 0 )
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{
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if ( *auth )
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{
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user = zmLoadAuthUser( auth, config.auth_hash_ips );
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}
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}
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//else if ( strcmp( config.auth_relay, "plain" ) == 0 )
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{
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if ( *username && *password )
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{
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user = zmLoadUser( username, password );
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}
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}
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}
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if ( !user )
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{
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Error( "Unable to authenticate user" );
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logTerm();
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zmDbClose();
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return( -1 );
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}
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ValidateAccess( user, monitor_id );
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}
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setbuf( stdout, 0 );
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if ( nph )
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{
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fprintf( stdout, "HTTP/1.0 200 OK\r\n" );
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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, "%a, %d %b %Y %H:%M:%S GMT", gmtime( &now ) );
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fprintf( stdout, "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n" );
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fprintf( stdout, "Last-Modified: %s\r\n", date_string );
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fprintf( stdout, "Cache-Control: no-store, no-cache, must-revalidate\r\n" );
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fprintf( stdout, "Cache-Control: post-check=0, pre-check=0\r\n" );
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fprintf( stdout, "Pragma: no-cache\r\n");
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// Removed as causing more problems than it fixed.
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//if ( !nph )
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//{
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//fprintf( stdout, "Content-Length: 0\r\n");
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//}
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if ( source == ZMS_MONITOR )
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{
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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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stream.setStreamStart( monitor_id );
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if ( mode == ZMS_JPEG )
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{
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stream.setStreamType( MonitorStream::STREAM_JPEG );
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}
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else if ( mode == ZMS_RAW )
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{
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stream.setStreamType( MonitorStream::STREAM_RAW );
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}
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else if ( mode == ZMS_ZIP )
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{
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stream.setStreamType( MonitorStream::STREAM_ZIP );
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}
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else if ( mode == ZMS_SINGLE )
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{
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stream.setStreamType( MonitorStream::STREAM_SINGLE );
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}
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else
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{
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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.\nYou should configure with the --with-ffmpeg 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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}
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else if ( source == ZMS_EVENT )
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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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{
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stream.setStreamStart( monitor_id, event_time );
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}
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else
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{
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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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{
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stream.setStreamType( EventStream::STREAM_JPEG );
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}
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else
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{
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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.\nYou should ensure the ffmpeg libraries are installed and detected 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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}
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logTerm();
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zmDbClose();
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return( 0 );
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}
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