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HTTP Authentication Patch by (Petr Doubek <doubek at vision dot ee dot ethz dot ch>)

Browse Source 
tested and submitted by (Torsten Spindler <spindler at hbt dot arch dot ethz dot ch>)

Originally committed as revision 3381 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Petr Doubek
2004-08-12 00:09:32 +00:00
committed by Michael Niedermayer
parent 1477ec35dd
commit 6ba5cbc699
8 changed files with 95 additions and 32 deletions
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6
ffserver.c
View File

@@ -2714,7 +2714,7 @@ static void rtsp_cmd_describe(HTTPContext *c, const char *url)
struct sockaddr_in my_addr;
/* find which url is asked */
url_split(NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
path = path1;
if (*path == '/')
path++;
@@ -2788,7 +2788,7 @@ static void rtsp_cmd_setup(HTTPContext *c, const char *url,
RTSPActionServerSetup setup;
/* find which url is asked */
url_split(NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
path = path1;
if (*path == '/')
path++;
@@ -2943,7 +2943,7 @@ static HTTPContext *find_rtp_session_with_url(const char *url,
return NULL;
/* find which url is asked */
url_split(NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
path = path1;
if (*path == '/')
path++;

1
libavformat/avformat.h
View File

@@ -627,6 +627,7 @@ struct in_addr;
int resolve_host(struct in_addr *sin_addr, const char *hostname);
void url_split(char *proto, int proto_size,
char *authorization, int authorization_size,
char *hostname, int hostname_size,
int *port_ptr,
char *path, int path_size,

61
libavformat/http.c
View File

@@ -46,8 +46,10 @@ typedef struct {
char location[URL_SIZE];
} HTTPContext;
static int http_connect(URLContext *h, const char *path, const char *hoststr);
static int http_connect(URLContext *h, const char *path, const char *hoststr,
const char *auth);
static int http_write(URLContext *h, uint8_t *buf, int size);
static char *b64_encode( unsigned char *src );
/* return non zero if error */
@@ -55,6 +57,7 @@ static int http_open(URLContext *h, const char *uri, int flags)
{
const char *path, *proxy_path;
char hostname[1024], hoststr[1024];
char auth[1024];
char path1[1024];
char buf[1024];
int port, use_proxy, err;
@@ -76,7 +79,7 @@ static int http_open(URLContext *h, const char *uri, int flags)
/* fill the dest addr */
redo:
/* needed in any case to build the host string */
url_split(NULL, 0, hostname, sizeof(hostname), &port,
url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
path1, sizeof(path1), uri);
if (port > 0) {
snprintf(hoststr, sizeof(hoststr), "%s:%d", hostname, port);
@@ -85,7 +88,7 @@ static int http_open(URLContext *h, const char *uri, int flags)
}
if (use_proxy) {
url_split(NULL, 0, hostname, sizeof(hostname), &port,
url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
NULL, 0, proxy_path);
path = uri;
} else {
@@ -103,7 +106,7 @@ static int http_open(URLContext *h, const char *uri, int flags)
goto fail;
s->hd = hd;
if (http_connect(h, path, hoststr) < 0)
if (http_connect(h, path, hoststr, auth) < 0)
goto fail;
if (s->http_code == 303 && s->location[0] != '\0') {
/* url moved, get next */
@@ -172,7 +175,8 @@ static int process_line(HTTPContext *s, char *line, int line_count)
return 1;
}
static int http_connect(URLContext *h, const char *path, const char *hoststr)
static int http_connect(URLContext *h, const char *path, const char *hoststr,
const char *auth)
{
HTTPContext *s = h->priv_data;
int post, err, ch;
@@ -187,11 +191,13 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr)
"User-Agent: %s\r\n"
"Accept: */*\r\n"
"Host: %s\r\n"
"Authorization: Basic %s\r\n"
"\r\n",
post ? "POST" : "GET",
path,
LIBAVFORMAT_IDENT,
hoststr);
hoststr,
b64_encode(auth));
if (http_write(h, s->buffer, strlen(s->buffer)) < 0)
return AVERROR_IO;
@@ -277,3 +283,46 @@ URLProtocol http_protocol = {
http_close,
};
/*****************************************************************************
* b64_encode: stolen from VLC's http.c
*****************************************************************************/
static char *b64_encode( unsigned char *src )
{
static const char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
char *dst = av_malloc( strlen( src ) * 4 / 3 + 12 );
char *ret = dst;
unsigned i_bits = 0;
unsigned i_shift = 0;
for( ;; )
{
if( *src )
{
i_bits = ( i_bits << 8 )|( *src++ );
i_shift += 8;
}
else if( i_shift > 0 )
{
i_bits <<= 6 - i_shift;
i_shift = 6;
}
else
{
*dst++ = '=';
break;
}
while( i_shift >= 6 )
{
i_shift -= 6;
*dst++ = b64[(i_bits >> i_shift)&0x3f];
}
}
*dst++ = '\0';
return ret;
}

4
libavformat/rtpproto.c
View File

@@ -57,7 +57,7 @@ int rtp_set_remote_url(URLContext *h, const char *uri)
char buf[1024];
char path[1024];
url_split(NULL, 0, hostname, sizeof(hostname), &port,
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port,
path, sizeof(path), uri);
snprintf(buf, sizeof(buf), "udp://%s:%d%s", hostname, port, path);
@@ -122,7 +122,7 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
return -ENOMEM;
h->priv_data = s;
url_split(NULL, 0, hostname, sizeof(hostname), &port,
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port,
path, sizeof(path), uri);
/* extract parameters */
is_multicast = 0;

4
libavformat/rtsp.c
View File

@@ -339,7 +339,7 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
rtsp_st = st->priv_data;
/* XXX: may need to add full url resolution */
url_split(proto, sizeof(proto), NULL, 0, NULL, NULL, 0, p);
url_split(proto, sizeof(proto), NULL, 0, NULL, 0, NULL, NULL, 0, p);
if (proto[0] == '\0') {
/* relative control URL */
pstrcat(rtsp_st->control_url, sizeof(rtsp_st->control_url), "/");
@@ -723,7 +723,7 @@ static int rtsp_read_header(AVFormatContext *s,
AVStream *st;
/* extract hostname and port */
url_split(NULL, 0,
url_split(NULL, 0, NULL, 0,
host, sizeof(host), &port, path, sizeof(path), s->filename);
if (port < 0)
port = RTSP_DEFAULT_PORT;

21
libavformat/tcp.c
View File

@@ -63,25 +63,18 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
int fd_max, ret;
struct timeval tv;
socklen_t optlen;
char proto[1024],path[1024],tmp[1024]; // PETR: protocol and path strings
url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
&port, path, sizeof(path), uri); // PETR: use url_split
if (strcmp(proto,"tcp")) goto fail; // PETR: check protocol
if ((q = strchr(hostname,'@'))) { strcpy(tmp,q+1); strcpy(hostname,tmp); } // PETR: take only the part after '@' for tcp protocol
s = av_malloc(sizeof(TCPContext));
if (!s)
return -ENOMEM;
h->priv_data = s;
p = uri;
if (!strstart(p, "tcp://", &p))
goto fail;
q = hostname;
while (*p != ':' && *p != '/' && *p != '\0') {
if ((q - hostname) < sizeof(hostname) - 1)
*q++ = *p;
p++;
}
*q = '\0';
if (*p != ':')
goto fail;
p++;
port = strtoul(p, (char **)&p, 10);
if (port <= 0 || port >= 65536)
goto fail;

4
libavformat/udp.c
View File

@@ -60,7 +60,7 @@ int udp_set_remote_url(URLContext *h, const char *uri)
char hostname[256];
int port;
url_split(NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
/* set the destination address */
if (resolve_host(&s->dest_addr.sin_addr, hostname) < 0)
@@ -132,7 +132,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
}
/* fill the dest addr */
url_split(NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
/* XXX: fix url_split */
if (hostname[0] == '\0' || hostname[0] == '?') {

26
libavformat/utils.c
View File

@@ -2499,6 +2499,7 @@ void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload)
}
void url_split(char *proto, int proto_size,
char *authorization, int authorization_size,
char *hostname, int hostname_size,
int *port_ptr,
char *path, int path_size,
@@ -2519,6 +2520,8 @@ void url_split(char *proto, int proto_size,
}
if (proto_size > 0)
*q = '\0';
if (authorization_size > 0)
authorization[0] = '\0';
if (*p == '\0') {
if (proto_size > 0)
proto[0] = '\0';
@@ -2526,15 +2529,32 @@ void url_split(char *proto, int proto_size,
hostname[0] = '\0';
p = url;
} else {
char *at,*slash; // PETR: position of '@' character and '/' character
p++;
if (*p == '/')
p++;
if (*p == '/')
p++;
q = hostname;
while (*p != ':' && *p != '/' && *p != '?' && *p != '\0') {
if ((q - hostname) < hostname_size - 1)
at = strchr(p,'@'); // PETR: get the position of '@'
slash = strchr(p,'/'); // PETR: get position of '/' - end of hostname
if (at && slash && at > slash) at = NULL; // PETR: not interested in '@' behind '/'
q = at ? authorization : hostname; // PETR: if '@' exists starting with auth.
while ((at || *p != ':') && *p != '/' && *p != '?' && *p != '\0') { // PETR:
if (*p == '@') { // PETR: passed '@'
if (authorization_size > 0)
*q = '\0';
q = hostname;
at = NULL;
} else if (!at) { // PETR: hostname
if ((q - hostname) < hostname_size - 1)
*q++ = *p;
} else {
if ((q - authorization) < authorization_size - 1)
*q++ = *p;
}
p++;
}
if (hostname_size > 0)