* httpd.c
*****************************************************************************
* Copyright (C) 2004-2006 the VideoLAN team
+ * Copyright © 2004-2007 Rémi Denis-Courmont
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
#include <vlc/vlc.h>
-#include <stdio.h>
-#include <stdlib.h>
-
#ifdef ENABLE_HTTPD
#include <assert.h>
#include <vlc_network.h>
#include <vlc_tls.h>
#include <vlc_acl.h>
+#include <vlc_strings.h>
#include "../libvlc.h"
#include <string.h>
int *fds;
unsigned nfd;
- /* Statistics */
- counter_t *p_active_counter;
- counter_t *p_total_counter;
-
vlc_mutex_t lock;
/* all registered url (becarefull that 2 httpd_url_t could point at the same url)
int i_ref;
- struct sockaddr_storage sock;
- int i_sock_size;
int fd;
int i_mode;
/*****************************************************************************
* Various functions
*****************************************************************************/
-/*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
-static void b64_decode( char *restrict dest, const char *restrict src )
-{
- int i_level;
- int last = 0;
- int b64[256] = {
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 00-0F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 10-1F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63, /* 20-2F */
- 52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1, /* 30-3F */
- -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14, /* 40-4F */
- 15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1, /* 50-5F */
- -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40, /* 60-6F */
- 41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1, /* 70-7F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 80-8F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 90-9F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* A0-AF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* B0-BF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* C0-CF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* D0-DF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* E0-EF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 /* F0-FF */
- };
-
- for( i_level = 0; *src != '\0'; src++ )
- {
- int c;
-
- c = b64[(unsigned int)*src];
- if( c == -1 )
- {
- continue;
- }
-
- switch( i_level )
- {
- case 0:
- i_level++;
- break;
- case 1:
- *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
- i_level++;
- break;
- case 2:
- *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
- i_level++;
- break;
- case 3:
- *dest++ = ( ( last &0x03 ) << 6 ) | c;
- i_level = 0;
- }
- last = c;
- }
-
- *dest = '\0';
-}
-
static struct
{
- const char *psz_ext;
+ const char psz_ext[8];
const char *psz_mime;
} http_mime[] =
{
/* end */
- { NULL, NULL }
+ { "", "" }
};
static const char *httpd_MimeFromUrl( const char *psz_url )
{
int i;
- for( i = 0; http_mime[i].psz_ext != NULL ; i++ )
+ for( i = 0; http_mime[i].psz_ext[0] ; i++ )
{
if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
{
{ 206, "Partial Content" },
{ 250, "Low on Storage Space" },
{ 300, "Multiple Choices" }*/,
- { 301, "Moved Permanently" }/*,
+ { 301, "Moved permanently" }/*,
{ 302, "Moved Temporarily" }, - aka "Found"
{ 303, "See Other" },
{ 304, "Not Modified" },
{ 401, "Unauthorized" }/*,
{ 402, "Payment Required" }*/,
{ 403, "Forbidden" },
- { 404, "Not Found" }/*,
+ { 404, "Not found" }/*,
{ 405, "Method Not Allowed" },
{ 406, "Not Acceptable" },
{ 407, "Proxy Authentication Required" },
{ 451, "Parameter Not Understood" },
{ 452, "Conference Not Found" },
{ 453, "Not Enough Bandwidth" }*/,
- { 454, "Session Not Found" }/*,
+ { 454, "Session not found" }/*,
{ 455, "Method Not Valid in This State" },
{ 456, "Header Field Not Valid for Resource" },
{ 457, "Invalid Range" },
{ 460, "Only aggregate operation allowed" }*/,
{ 461, "Unsupported transport" }/*,
{ 462, "Destination unreachable" }*/,
- { 500, "Internal Server Error" },
- { 501, "Not Implemented" }/*,
- { 502, "Bad Gateway" }*/,
- { 503, "Service Unavailable" }/*,
- { 504, "Gateway Time-out" },
+ { 500, "Internal server error" },
+ { 501, "Not implemented" }/*,
+ { 502, "Bad gateway" }*/,
+ { 503, "Service unavailable" }/*,
+ { 504, "Gateway time-out" },
{ 505, "Protocol version not supported" }*/,
{ 0, NULL }
};
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_status = 200;
- answer->psz_status = strdup( "OK" );
httpd_MsgAdd( answer, "Content-type", "%s", file->psz_mime );
httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
/* We do it ourselves, thanks */
answer->i_status = 0;
- answer->psz_status = NULL;
if( httpd_ClientIP( cl, psz_remote_addr ) == NULL )
*psz_remote_addr = '\0';
psz_headers = (char *)answer->p_body;
i_headers = answer->i_body;
}
- switch( i_status )
- {
- case 200:
- psz_status = "OK";
- break;
- case 401:
- psz_status = "Unauthorized";
- break;
- default:
- if( (i_status < 0) || (i_status > 999) )
- i_status = 500;
- psz_status = "Undefined";
- break;
- }
+
+ psz_status = httpd_ReasonFromCode( i_status );
answer->i_body = sizeof("HTTP/1.0 xxx \r\n")
+ strlen(psz_status) + i_headers - 1;
psz_new = (char *)malloc( answer->i_body + 1);
{
httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
char *p_body;
+ (void)cl;
if( answer == NULL || query == NULL )
{
answer->i_version= query->i_version;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_status = 301;
- answer->psz_status = strdup( "Moved Permanently" );
answer->i_body = httpd_HtmlError (&p_body, 301, rdir->psz_dst);
answer->p_body = (unsigned char *)p_body;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_status = 200;
- answer->psz_status = strdup( "OK" );
if( query->i_type != HTTPD_MSG_HEAD )
{
}
/* to be sure to avoid multiple creation */
- var_Create( p_this->p_libvlc_global, "httpd_mutex", VLC_VAR_MUTEX );
- var_Get( p_this->p_libvlc_global, "httpd_mutex", &lockval );
+ var_Create( p_this->p_libvlc, "httpd_mutex", VLC_VAR_MUTEX );
+ var_Get( p_this->p_libvlc, "httpd_mutex", &lockval );
vlc_mutex_lock( lockval.p_address );
if( !(httpd = vlc_object_find( p_this, VLC_OBJECT_HTTPD, FIND_ANYWHERE )) )
vlc_value_t lockval;
int i;
- var_Get( httpd->p_libvlc_global, "httpd_mutex", &lockval );
+ var_Get( httpd->p_libvlc, "httpd_mutex", &lockval );
vlc_mutex_lock( lockval.p_address );
host->i_ref--;
}
TAB_REMOVE( httpd->i_host, httpd->host, host );
- host->b_die = 1;
+ vlc_object_kill( host );
vlc_thread_join( host );
msg_Dbg( host, "HTTP host removed" );
msg->i_version = -1;
msg->i_status = 0;
- msg->psz_status = NULL;
msg->psz_url = NULL;
msg->psz_args = NULL;
msg->i_body_offset = 0;
msg->i_body = 0;
- msg->p_body = 0;
+ msg->p_body = NULL;
}
void httpd_MsgClean( httpd_message_t *msg )
{
int i;
- if( msg->psz_status )
- {
- free( msg->psz_status );
- }
if( msg->psz_url )
{
free( msg->psz_url );
char *value = NULL;
va_start( args, psz_value );
-#if defined(HAVE_VASPRINTF) && !defined(__APPLE__) && !defined(SYS_BEOS)
- vasprintf( &value, psz_value, args );
-#else
- {
- int i_size = strlen( psz_value ) + 4096; /* FIXME stupid system */
- value = calloc( i_size, sizeof( char ) );
- vsnprintf( value, i_size, psz_value, args );
- value[i_size - 1] = 0;
- }
-#endif
+ if( vasprintf( &value, psz_value, args ) == -1 )
+ value = NULL;
va_end( args );
+ if( value == NULL )
+ return;
+
name = strdup( name );
+ if( name == NULL )
+ {
+ free( value );
+ return;
+ }
TAB_APPEND( msg->i_name, msg->name, (char*)name );
TAB_APPEND( msg->i_value, msg->value, value );
}
}
-static httpd_client_t *httpd_ClientNew( int fd, struct sockaddr_storage *sock,
- int i_sock_size,
- tls_session_t *p_tls, mtime_t now )
+static httpd_client_t *httpd_ClientNew( int fd, tls_session_t *p_tls, mtime_t now )
{
httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
cl->i_ref = 0;
cl->fd = fd;
- memcpy( &cl->sock, sock, sizeof( cl->sock ) );
- cl->i_sock_size = i_sock_size;
cl->url = NULL;
cl->p_tls = p_tls;
strtol( (char *)&cl->p_buffer[8],
&p, 0 );
while( *p == ' ' )
- {
p++;
- }
- cl->query.psz_status = strdup( p );
}
else
{
static const struct
{
- const char *name;
+ const char name[16];
int i_type;
int i_proto;
}
{ "HEAD", HTTPD_MSG_HEAD, HTTPD_PROTO_HTTP },
{ "POST", HTTPD_MSG_POST, HTTPD_PROTO_HTTP },
- { NULL, HTTPD_MSG_NONE, HTTPD_PROTO_NONE }
+ { "", HTTPD_MSG_NONE, HTTPD_PROTO_NONE }
};
- int i;
+ unsigned i;
p = NULL;
cl->query.i_type = HTTPD_MSG_NONE;
/*fprintf( stderr, "received new request=%s\n", cl->p_buffer);*/
- for( i = 0; msg_type[i].name != NULL; i++ )
+ for( i = 0; msg_type[i].name[0]; i++ )
{
if( !strncmp( (char *)cl->p_buffer, msg_type[i].name,
strlen( msg_type[i].name ) ) )
/* We need to create the header */
int i_size = 0;
char *p;
+ const char *psz_status = httpd_ReasonFromCode( cl->answer.i_status );
- i_size = strlen( "HTTP/1.") + 10 + 10 +
- strlen( cl->answer.psz_status ? cl->answer.psz_status : "" ) + 5;
+ i_size = strlen( "HTTP/1.") + 10 + 10 + strlen( psz_status ) + 5;
for( i = 0; i < cl->answer.i_name; i++ )
{
i_size += strlen( cl->answer.name[i] ) + 2 +
p += sprintf( p, "%s/1.%d %d %s\r\n",
cl->answer.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP",
cl->answer.i_version,
- cl->answer.i_status, cl->answer.psz_status );
+ cl->answer.i_status, psz_status );
for( i = 0; i < cl->answer.i_name; i++ )
{
p += sprintf( p, "%s: %s\r\n", cl->answer.name[i],
static void httpd_HostThread( httpd_host_t *host )
{
tls_session_t *p_tls = NULL;
-
- host->p_total_counter = stats_CounterCreate( host,
- VLC_VAR_INTEGER, STATS_COUNTER );
- host->p_active_counter = stats_CounterCreate( host,
- VLC_VAR_INTEGER, STATS_COUNTER );
+ counter_t *p_total_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
+ counter_t *p_active_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
while( !host->b_die )
{
struct pollfd ufd[host->nfd + host->i_client];
unsigned nfd;
- for (nfd = 0; nfd < host->nfd; nfd++)
+ for( nfd = 0; nfd < host->nfd; nfd++ )
{
ufd[nfd].fd = host->fds[nfd];
ufd[nfd].events = POLLIN;
cl->i_activity_date+cl->i_activity_timeout < now) ) ) )
{
httpd_ClientClean( cl );
- stats_UpdateInteger( host, host->p_active_counter, -1, NULL );
+ stats_UpdateInteger( host, p_active_counter, -1, NULL );
TAB_REMOVE( host->i_client, host->client, cl );
free( cl );
i_client--;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_version= 0;
answer->i_status = 200;
- answer->psz_status = strdup( "Ok" );
answer->i_body = 0;
answer->p_body = NULL;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_version= 0;
answer->i_status = 501;
- answer->psz_status = strdup( "Unimplemented" );
answer->i_body = httpd_HtmlError (&p, 501, NULL);
answer->p_body = (uint8_t *)p;
{
char ip[NI_MAXNUMERICHOST];
- if( httpd_ClientIP( cl, ip ) != NULL )
+ if( ( httpd_ClientIP( cl, ip ) == NULL )
+ || ACL_Check( url->p_acl, ip ) )
{
- if( ACL_Check( url->p_acl, ip ) )
- {
- b_hosts_failed = VLC_TRUE;
- break;
- }
- }
- else
b_hosts_failed = VLC_TRUE;
+ break;
+ }
}
if( answer && ( *url->psz_user || *url->psz_password ) )
{
/* create the headers */
const char *b64 = httpd_MsgGet( query, "Authorization" ); /* BASIC id */
- char *auth;
- char *id;
+ char *user = NULL, *pass = NULL;
- asprintf( &id, "%s:%s", url->psz_user, url->psz_password );
if( b64 != NULL
- && !strncasecmp( b64, "BASIC", 5 ) )
+ && !strncasecmp( b64, "BASIC", 5 ) )
{
b64 += 5;
while( *b64 == ' ' )
- {
b64++;
+
+ user = vlc_b64_decode( b64 );
+ if (user != NULL)
+ {
+ pass = strchr (user, ':');
+ if (pass != NULL)
+ *pass++ = '\0';
}
- auth = malloc( strlen(b64) + 1 );
- b64_decode( auth, b64 );
- }
- else
- {
- auth = strdup( "" );
}
- if( strcmp( id, auth ) )
+ if ((user == NULL) || (pass == NULL)
+ || strcmp (user, url->psz_user)
+ || strcmp (pass, url->psz_password))
{
- httpd_MsgAdd( answer, "WWW-Authenticate", "Basic realm=\"%s\"", url->psz_user );
+ httpd_MsgAdd( answer,
+ "WWW-Authenticate",
+ "Basic realm=\"%s\"",
+ url->psz_user );
/* We fail for all url */
b_auth_failed = VLC_TRUE;
- free( id );
- free( auth );
+ free( user );
break;
}
- free( id );
- free( auth );
+ free( user );
}
if( !url->catch[i_msg].cb( url->catch[i_msg].p_sys, cl, answer, query ) )
if( b_hosts_failed )
{
answer->i_status = 403;
- answer->psz_status = strdup( "Forbidden" );
}
else if( b_auth_failed )
{
answer->i_status = 401;
- answer->psz_status = strdup( "Authorization Required" );
}
else
{
/* no url registered */
answer->i_status = 404;
- answer->psz_status = strdup( "Not found" );
}
answer->i_body = httpd_HtmlError (&p,
vlc_mutex_unlock( &host->lock );
/* we will wait 100ms or 20ms (not too big 'cause HTTPD_CLIENT_WAITING) */
- switch (poll (ufd, nfd, b_low_delay ? 20 : 100))
+ switch( poll( ufd, nfd, b_low_delay ? 20 : 100) )
{
case -1:
if (errno != EINTR)
continue;
}
- now = mdate();
-
- /* accept new connections */
- for (nfd = 0; nfd < host->nfd; nfd++)
- {
- assert (ufd[nfd].fd == host->fds[nfd]);
-
- if (ufd[nfd].revents == 0)
- continue;
-
- struct sockaddr_storage addr;
- socklen_t addrlen = sizeof (addr);
-
- int fd = accept (ufd[nfd].fd, (struct sockaddr *)&addr, &addrlen);
- if (fd == -1)
- continue;
-
- net_SetupSocket (fd);
-
- int i_state = 0;
-
- if (p_tls != NULL)
- {
- switch (tls_ServerSessionHandshake (p_tls, fd))
- {
- case -1:
- msg_Err( host, "Rejecting TLS connection" );
- net_Close (fd);
- fd = -1;
- p_tls = NULL;
- break;
-
- case 1: /* missing input - most likely */
- i_state = HTTPD_CLIENT_TLS_HS_IN;
- break;
-
- case 2: /* missing output */
- i_state = HTTPD_CLIENT_TLS_HS_OUT;
- break;
- }
-
- if (p_tls == NULL)
- break; // wasted TLS session, cannot accept() anymore
- }
-
- httpd_client_t *cl;
- char ip[NI_MAXNUMERICHOST];
- stats_UpdateInteger( host, host->p_total_counter, 1, NULL );
- stats_UpdateInteger( host, host->p_active_counter, 1, NULL );
- cl = httpd_ClientNew( fd, &addr, addrlen, p_tls, now );
- httpd_ClientIP( cl, ip );
- msg_Dbg( host, "Connection from %s", ip );
- p_tls = NULL;
- vlc_mutex_lock( &host->lock );
- TAB_APPEND( host->i_client, host->client, cl );
- vlc_mutex_unlock( &host->lock );
- cl->i_state = i_state; // override state for TLS
- break; // cannot accept more than one because of TLS
- }
-
- /* now try all others socket */
+ /* Handle client sockets */
vlc_mutex_lock( &host->lock );
-
+ now = mdate();
for( int i_client = 0; i_client < host->i_client; i_client++ )
{
httpd_client_t *cl = host->client[i_client];
- const struct pollfd *pufd = ufd + nfd;
+ const struct pollfd *pufd = &ufd[host->nfd + i_client];
- assert (pufd < ufd + (sizeof (ufd) / sizeof (ufd[0])));
+ assert( pufd < &ufd[sizeof(ufd) / sizeof(ufd[0])] );
- if (cl->fd != pufd->fd)
+ if( cl->fd != pufd->fd )
continue; // we were not waiting for this client
- nfd++;
-
- if (pufd->revents == 0)
+ if( pufd->revents == 0 )
continue; // no event received
cl->i_activity_date = now;
}
}
vlc_mutex_unlock( &host->lock );
+
+ /* Handle server sockets (accept new connections) */
+ for( nfd = 0; nfd < host->nfd; nfd++ )
+ {
+ httpd_client_t *cl;
+ int i_state = -1;
+
+ assert (ufd[nfd].fd == host->fds[nfd]);
+
+ if( ufd[nfd].revents == 0 )
+ continue;
+
+ /* */
+ int kludge[] = { ufd[nfd].fd, -1 };
+ int fd = net_Accept( host, kludge, 0 );
+ if( fd < 0 )
+ continue;
+
+ if( p_tls != NULL )
+ {
+ switch( tls_ServerSessionHandshake( p_tls, fd ) )
+ {
+ case -1:
+ msg_Err( host, "Rejecting TLS connection" );
+ net_Close( fd );
+ fd = -1;
+ p_tls = NULL;
+ break;
+
+ case 1: /* missing input - most likely */
+ i_state = HTTPD_CLIENT_TLS_HS_IN;
+ break;
+
+ case 2: /* missing output */
+ i_state = HTTPD_CLIENT_TLS_HS_OUT;
+ break;
+ }
+
+ if( (p_tls == NULL) != (host->p_tls == NULL) )
+ break; // wasted TLS session, cannot accept() anymore
+ }
+
+ stats_UpdateInteger( host, p_total_counter, 1, NULL );
+ stats_UpdateInteger( host, p_active_counter, 1, NULL );
+ cl = httpd_ClientNew( fd, p_tls, now );
+ p_tls = NULL;
+ vlc_mutex_lock( &host->lock );
+ TAB_APPEND( host->i_client, host->client, cl );
+ vlc_mutex_unlock( &host->lock );
+ if( i_state != -1 )
+ cl->i_state = i_state; // override state for TLS
+
+ if (host->p_tls != NULL)
+ break; // cannot accept further without new TLS session
+ }
+
}
if( p_tls != NULL )
tls_ServerSessionClose( p_tls );
+ if( p_total_counter )
+ stats_CounterClean( p_total_counter );
+ if( p_active_counter )
+ stats_CounterClean( p_active_counter );
}
#else /* ENABLE_HTTPD */
projects / vlc / blobdiff