static int process_line(URLContext *h, char *line, int line_count,
int *new_location)
{
HTTPContext *s = h->priv_data;
char *tag, *p, *end;
int ret;
/* end of header */
if (line[0] == '\0') {
s->end_header = 1;
return 0;
}
p = line;
if (line_count == 0) {
while (!av_isspace(*p) && *p != '\0')
p++;
while (av_isspace(*p))
p++;
s->http_code = strtol(p, &end, 10);
av_log(NULL, AV_LOG_TRACE, "http_code=%d\n", s->http_code);
if ((ret = check_http_code(h, s->http_code, end)) < 0)
return ret;
} else {
while (*p != '\0' && *p != ':')
p++;
if (*p != ':')
return 1;
*p = '\0';
tag = line;
p++;
while (av_isspace(*p))
p++;
if (!av_strcasecmp(tag, "Location")) {
if ((ret = parse_location(s, p)) < 0)
return ret;
*new_location = 1;
} else if (!av_strcasecmp(tag, "Content-Length") && s->filesize == -1) {
s->filesize = strtoll(p, NULL, 10);
} else if (!av_strcasecmp(tag, "Content-Range")) {
parse_content_range(h, p);
} else if (!av_strcasecmp(tag, "Accept-Ranges") &&
!strncmp(p, "bytes", 5)) {
h->is_streamed = 0;
} else if (!av_strcasecmp(tag, "Transfer-Encoding") &&
!av_strncasecmp(p, "chunked", 7)) {
s->filesize = -1;
s->chunksize = 0;
} else if (!av_strcasecmp(tag, "WWW-Authenticate")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!av_strcasecmp(tag, "Authentication-Info")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!av_strcasecmp(tag, "Proxy-Authenticate")) {
ff_http_auth_handle_header(&s->proxy_auth_state, tag, p);
} else if (!av_strcasecmp(tag, "Connection")) {
if (!strcmp(p, "close"))
s->willclose = 1;
} else if (!av_strcasecmp(tag, "Content-Type")) {
av_free(s->mime_type);
s->mime_type = av_strdup(p);
} else if (!av_strcasecmp(tag, "Icy-MetaInt")) {
s->icy_metaint = strtoll(p, NULL, 10);
} else if (!av_strncasecmp(tag, "Icy-", 4)) {
if ((ret = parse_icy(s, tag, p)) < 0)
return ret;
} else if (!av_strcasecmp(tag, "Content-Encoding")) {
if ((ret = parse_content_encoding(h, p)) < 0)
return ret;
}
}
return 1;
}
static int process_line(URLContext *h, char *line, int line_count,
int *new_location)
{
HTTPContext *s = h->priv_data;
const char *auto_method = h->flags & AVIO_FLAG_READ ? "POST" : "GET";
char *tag, *p, *end, *method, *resource, *version;
int ret;
/* end of header */
if (line[0] == '\0') {
s->end_header = 1;
return 0;
}
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));
}
} else {
// use autodetected HTTP method to expect
av_log(h, AV_LOG_TRACE, "Autodetected %s HTTP method\n", auto_method);
if (av_strcasecmp(auto_method, method)) {
av_log(h, AV_LOG_ERROR, "Received and autodetected HTTP method did not match "
"(%s autodetected %s received)\n", auto_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 {
while (!av_isspace(*p) && *p != '\0')
p++;
while (av_isspace(*p))
p++;
s->http_code = strtol(p, &end, 10);
av_log(h, AV_LOG_TRACE, "http_code=%d\n", s->http_code);
if ((ret = check_http_code(h, s->http_code, end)) < 0)
return ret;
}
} else {
while (*p != '\0' && *p != ':')
p++;
if (*p != ':')
return 1;
*p = '\0';
tag = line;
p++;
while (av_isspace(*p))
p++;
if (!av_strcasecmp(tag, "Location")) {
if ((ret = parse_location(s, p)) < 0)
return ret;
*new_location = 1;
} else if (!av_strcasecmp(tag, "Content-Length") && s->filesize == -1) {
s->filesize = strtoll(p, NULL, 10);
} else if (!av_strcasecmp(tag, "Content-Range")) {
parse_content_range(h, p);
} else if (!av_strcasecmp(tag, "Accept-Ranges") &&
!strncmp(p, "bytes", 5) &&
s->seekable == -1) {
h->is_streamed = 0;
} else if (!av_strcasecmp(tag, "Transfer-Encoding") &&
!av_strncasecmp(p, "chunked", 7)) {
s->filesize = -1;
s->chunksize = 0;
} else if (!av_strcasecmp(tag, "WWW-Authenticate")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!av_strcasecmp(tag, "Authentication-Info")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!av_strcasecmp(tag, "Proxy-Authenticate")) {
ff_http_auth_handle_header(&s->proxy_auth_state, tag, p);
} else if (!av_strcasecmp(tag, "Connection")) {
if (!strcmp(p, "close"))
s->willclose = 1;
} else if (!av_strcasecmp(tag, "Server")) {
if (!av_strcasecmp(p, "AkamaiGHost")) {
s->is_akamai = 1;
} else if (!av_strncasecmp(p, "MediaGateway", 12)) {
s->is_mediagateway = 1;
}
} else if (!av_strcasecmp(tag, "Content-Type")) {
av_free(s->mime_type);
s->mime_type = av_strdup(p);
} else if (!av_strcasecmp(tag, "Set-Cookie")) {
if (parse_cookie(s, p, &s->cookie_dict))
av_log(h, AV_LOG_WARNING, "Unable to parse '%s'\n", p);
} else if (!av_strcasecmp(tag, "Icy-MetaInt")) {
s->icy_metaint = strtoll(p, NULL, 10);
} else if (!av_strncasecmp(tag, "Icy-", 4)) {
if ((ret = parse_icy(s, tag, p)) < 0)
return ret;
} else if (!av_strcasecmp(tag, "Content-Encoding")) {
if ((ret = parse_content_encoding(h, p)) < 0)
return ret;
}
}
return 1;
}
static int process_line(URLContext *h, char *line, int line_count,
int *new_location)
{
HTTPContext *s = h->priv_data;
char *tag, *p;
/* end of header */
if (line[0] == '\0')
return 0;
p = line;
if (line_count == 0) {
while (!isspace(*p) && *p != '\0')
p++;
while (isspace(*p))
p++;
s->http_code = strtol(p, NULL, 10);
dprintf(NULL, "http_code=%d\n", s->http_code);
/* error codes are 4xx and 5xx, but regard 401 as a success, so we
* don't abort until all headers have been parsed. */
if (s->http_code >= 400 && s->http_code < 600 && s->http_code != 401)
return -1;
} else {
while (*p != '\0' && *p != ':')
p++;
if (*p != ':')
return 1;
*p = '\0';
tag = line;
p++;
while (isspace(*p))
p++;
if (!strcmp(tag, "Location")) {
strcpy(s->location, p);
*new_location = 1;
} else if (!strcmp (tag, "Content-Length") && s->filesize == -1) {
s->filesize = atoll(p);
} else if (!strcmp (tag, "Content-Range")) {
/* "bytes $from-$to/$document_size" */
const char *slash;
if (!strncmp (p, "bytes ", 6)) {
p += 6;
s->off = atoll(p);
if ((slash = strchr(p, '/')) && strlen(slash) > 0)
s->filesize = atoll(slash+1);
}
h->is_streamed = 0; /* we _can_ in fact seek */
} else if (!strcmp (tag, "Transfer-Encoding") && !strncasecmp(p, "chunked", 7)) {
s->filesize = -1;
s->chunksize = 0;
} else if (!strcmp (tag, "WWW-Authenticate")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!strcmp (tag, "Authentication-Info")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
}
}
return 1;
}
