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Code Issues Releases Activity

lavf/http: Properly process HTTP header on listen.

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Signed-off-by: Stephan Holljes <klaxa1337@googlemail.com>
This commit is contained in:
Stephan Holljes 2015-06-04 01:21:02 +02:00 committed by Nicolas George
parent 8cfaa76a5e
commit a7e7c68b0e
1 changed files with 40 additions and 1 deletions
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41
libavformat/http.c
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@ -563,7 +563,7 @@ static int process_line(URLContext *h, char *line, int line_count,
int *new_location)
{
HTTPContext *s = h->priv_data;
char *tag, *p, *end;
char *tag, *p, *end, *method, *resource, *version;
int ret;
/* end of header */
@ -574,6 +574,44 @@ static int process_line(URLContext *h, char *line, int line_count,
p = line;
if (line_count == 0) {
if (s->listen) {
// HTTP method
method = p;
while (!av_isspace(*p))
p++;
*(p++) = '\0';
av_log(h, AV_LOG_TRACE, "Received method: %s\n", method);
if (s->method) {
if (av_strcasecmp(s->method, method)) {
av_log(h, AV_LOG_ERROR, "Received and expected HTTP method do not match. (%s expected, %s received)\n",
s->method, method);
return ff_http_averror(400, AVERROR(EIO));
}
}
// HTTP resource
while (av_isspace(*p))
p++;
resource = p;
while (!av_isspace(*p))
p++;
*(p++) = '\0';
av_log(h, AV_LOG_TRACE, "Requested resource: %s\n", resource);
// HTTP version
while (av_isspace(*p))
p++;
version = p;
while (!av_isspace(*p))
p++;
*p = '\0';
if (av_strncasecmp(version, "HTTP/", 5)) {
av_log(h, AV_LOG_ERROR, "Malformed HTTP version string.\n");
return ff_http_averror(400, AVERROR(EIO));
}
av_log(h, AV_LOG_TRACE, "HTTP version string: %s\n", version);
} else {
/* TODO: reindent */
while (!av_isspace(*p) && *p != '\0')
p++;
while (av_isspace(*p))
@ -584,6 +622,7 @@ static int process_line(URLContext *h, char *line, int line_count,
if ((ret = check_http_code(h, s->http_code, end)) < 0)
return ret;
}
} else {
while (*p != '\0' && *p != ':')
p++;