static int on_header_field(http_parser *parser, const char *str, size_t len)
{
parser_context *ctx = (parser_context *) parser->data;
http_subtransport *t = ctx->t;
/* Both parse_header_name and parse_header_value are populated
* and ready for consumption */
if (VALUE == t->last_cb)
if (on_header_ready(t) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
if (NONE == t->last_cb || VALUE == t->last_cb)
git_buf_clear(&t->parse_header_name);
if (git_buf_put(&t->parse_header_name, str, len) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
t->last_cb = FIELD;
return 0;
}
static int on_headers_complete(http_parser *parser)
{
parser_context *ctx = (parser_context *) parser->data;
http_subtransport *t = ctx->t;
http_stream *s = ctx->s;
git_buf buf = GIT_BUF_INIT;
/* Both parse_header_name and parse_header_value are populated
* and ready for consumption. */
if (VALUE == t->last_cb)
if (on_header_ready(t) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
/* Check for an authentication failure. */
if (parser->status_code == 401 &&
get_verb == s->verb &&
t->owner->cred_acquire_cb) {
int allowed_types = 0;
if (parse_unauthorized_response(&t->www_authenticate,
&allowed_types, &t->auth_mechanism) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
if (allowed_types &&
(!t->cred || 0 == (t->cred->credtype & allowed_types))) {
if (t->owner->cred_acquire_cb(&t->cred,
t->owner->url,
t->connection_data.user,
allowed_types,
t->owner->cred_acquire_payload) < 0)
return PARSE_ERROR_GENERIC;
assert(t->cred);
/* Successfully acquired a credential. */
return t->parse_error = PARSE_ERROR_REPLAY;
}
}
/* Check for a redirect.
* Right now we only permit a redirect to the same hostname. */
if ((parser->status_code == 301 ||
parser->status_code == 302 ||
(parser->status_code == 303 && get_verb == s->verb) ||
parser->status_code == 307) &&
t->location) {
if (s->redirect_count >= 7) {
giterr_set(GITERR_NET, "Too many redirects");
return t->parse_error = PARSE_ERROR_GENERIC;
}
if (gitno_connection_data_from_url(&t->connection_data, t->location, s->service_url) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
/* Set the redirect URL on the stream. This is a transfer of
* ownership of the memory. */
if (s->redirect_url)
git__free(s->redirect_url);
s->redirect_url = t->location;
t->location = NULL;
t->connected = 0;
s->redirect_count++;
return t->parse_error = PARSE_ERROR_REPLAY;
}
/* Check for a 200 HTTP status code. */
if (parser->status_code != 200) {
giterr_set(GITERR_NET,
"Unexpected HTTP status code: %d",
parser->status_code);
return t->parse_error = PARSE_ERROR_GENERIC;
}
/* The response must contain a Content-Type header. */
if (!t->content_type) {
giterr_set(GITERR_NET, "No Content-Type header in response");
return t->parse_error = PARSE_ERROR_GENERIC;
}
/* The Content-Type header must match our expectation. */
if (get_verb == s->verb)
git_buf_printf(&buf,
"application/x-git-%s-advertisement",
ctx->s->service);
else
git_buf_printf(&buf,
"application/x-git-%s-result",
ctx->s->service);
if (git_buf_oom(&buf))
return t->parse_error = PARSE_ERROR_GENERIC;
if (strcmp(t->content_type, git_buf_cstr(&buf))) {
git_buf_free(&buf);
giterr_set(GITERR_NET,
"Invalid Content-Type: %s",
t->content_type);
return t->parse_error = PARSE_ERROR_GENERIC;
}
git_buf_free(&buf);
return 0;
}
static int on_headers_complete(http_parser *parser)
{
parser_context *ctx = (parser_context *) parser->data;
http_subtransport *t = ctx->t;
http_stream *s = ctx->s;
git_buf buf = GIT_BUF_INIT;
/* Both parse_header_name and parse_header_value are populated
* and ready for consumption. */
if (VALUE == t->last_cb)
if (on_header_ready(t) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
/* Check for an authentication failure. */
if (parser->status_code == 401 &&
get_verb == s->verb &&
t->owner->cred_acquire_cb) {
int allowed_types = 0;
if (parse_unauthorized_response(&t->www_authenticate,
&allowed_types, &t->auth_mechanism) < 0)
return t->parse_error = PARSE_ERROR_GENERIC;
if (allowed_types &&
(!t->cred || 0 == (t->cred->credtype & allowed_types))) {
if (t->owner->cred_acquire_cb(&t->cred,
t->owner->url,
allowed_types,
t->owner->cred_acquire_payload) < 0)
return PARSE_ERROR_GENERIC;
assert(t->cred);
/* Successfully acquired a credential. */
return t->parse_error = PARSE_ERROR_REPLAY;
}
}
/* Check for a 200 HTTP status code. */
if (parser->status_code != 200) {
giterr_set(GITERR_NET,
"Unexpected HTTP status code: %d",
parser->status_code);
return t->parse_error = PARSE_ERROR_GENERIC;
}
/* The response must contain a Content-Type header. */
if (!t->content_type) {
giterr_set(GITERR_NET, "No Content-Type header in response");
return t->parse_error = PARSE_ERROR_GENERIC;
}
/* The Content-Type header must match our expectation. */
if (get_verb == s->verb)
git_buf_printf(&buf,
"application/x-git-%s-advertisement",
ctx->s->service);
else
git_buf_printf(&buf,
"application/x-git-%s-result",
ctx->s->service);
if (git_buf_oom(&buf))
return t->parse_error = PARSE_ERROR_GENERIC;
if (strcmp(t->content_type, git_buf_cstr(&buf))) {
git_buf_free(&buf);
giterr_set(GITERR_NET,
"Invalid Content-Type: %s",
t->content_type);
return t->parse_error = PARSE_ERROR_GENERIC;
}
git_buf_free(&buf);
return 0;
}
