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Diffstat (limited to 'remote-curl.c')
-rw-r--r--remote-curl.c104
1 files changed, 78 insertions, 26 deletions
diff --git a/remote-curl.c b/remote-curl.c
index 04d4813e41..b8cf45a7dd 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -227,6 +227,8 @@ static struct ref *parse_info_refs(struct discovery *heads)
if (data[i] == '\t')
mid = &data[i];
if (data[i] == '\n') {
+ if (mid - start != 40)
+ die("%sinfo/refs not valid: is this a git repository?", url);
data[i] = 0;
ref_name = mid + 1;
ref = xmalloc(sizeof(struct ref) +
@@ -347,7 +349,7 @@ static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp)
}
#endif
-static size_t rpc_in(const void *ptr, size_t eltsize,
+static size_t rpc_in(char *ptr, size_t eltsize,
size_t nmemb, void *buffer_)
{
size_t size = eltsize * nmemb;
@@ -356,14 +358,59 @@ static size_t rpc_in(const void *ptr, size_t eltsize,
return size;
}
+static int run_slot(struct active_request_slot *slot)
+{
+ int err = 0;
+ struct slot_results results;
+
+ slot->results = &results;
+ slot->curl_result = curl_easy_perform(slot->curl);
+ finish_active_slot(slot);
+
+ if (results.curl_result != CURLE_OK) {
+ err |= error("RPC failed; result=%d, HTTP code = %ld",
+ results.curl_result, results.http_code);
+ }
+
+ return err;
+}
+
+static int probe_rpc(struct rpc_state *rpc)
+{
+ struct active_request_slot *slot;
+ struct curl_slist *headers = NULL;
+ struct strbuf buf = STRBUF_INIT;
+ int err;
+
+ slot = get_active_slot();
+
+ headers = curl_slist_append(headers, rpc->hdr_content_type);
+ headers = curl_slist_append(headers, rpc->hdr_accept);
+
+ curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
+ curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url);
+ curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "");
+ curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, "0000");
+ curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, 4);
+ curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf);
+
+ err = run_slot(slot);
+
+ curl_slist_free_all(headers);
+ strbuf_release(&buf);
+ return err;
+}
+
static int post_rpc(struct rpc_state *rpc)
{
struct active_request_slot *slot;
- struct slot_results results;
struct curl_slist *headers = NULL;
int use_gzip = rpc->gzip_request;
char *gzip_body = NULL;
- int err = 0, large_request = 0;
+ int err, large_request = 0;
/* Try to load the entire request, if we can fit it into the
* allocated buffer space we can use HTTP/1.0 and avoid the
@@ -386,8 +433,13 @@ static int post_rpc(struct rpc_state *rpc)
rpc->len += n;
}
+ if (large_request) {
+ err = probe_rpc(rpc);
+ if (err)
+ return err;
+ }
+
slot = get_active_slot();
- slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
@@ -396,12 +448,12 @@ static int post_rpc(struct rpc_state *rpc)
headers = curl_slist_append(headers, rpc->hdr_content_type);
headers = curl_slist_append(headers, rpc->hdr_accept);
+ headers = curl_slist_append(headers, "Expect:");
if (large_request) {
/* The request body is large and the size cannot be predicted.
* We must use chunked encoding to send it.
*/
- headers = curl_slist_append(headers, "Expect: 100-continue");
headers = curl_slist_append(headers, "Transfer-Encoding: chunked");
rpc->initial_buffer = 1;
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out);
@@ -421,16 +473,12 @@ static int post_rpc(struct rpc_state *rpc)
* the transfer time.
*/
size_t size;
- z_stream stream;
+ git_zstream stream;
int ret;
memset(&stream, 0, sizeof(stream));
- ret = deflateInit2(&stream, Z_BEST_COMPRESSION,
- Z_DEFLATED, (15 + 16),
- 8, Z_DEFAULT_STRATEGY);
- if (ret != Z_OK)
- die("cannot deflate request; zlib init error %d", ret);
- size = deflateBound(&stream, rpc->len);
+ git_deflate_init_gzip(&stream, Z_BEST_COMPRESSION);
+ size = git_deflate_bound(&stream, rpc->len);
gzip_body = xmalloc(size);
stream.next_in = (unsigned char *)rpc->buf;
@@ -438,11 +486,11 @@ static int post_rpc(struct rpc_state *rpc)
stream.next_out = (unsigned char *)gzip_body;
stream.avail_out = size;
- ret = deflate(&stream, Z_FINISH);
+ ret = git_deflate(&stream, Z_FINISH);
if (ret != Z_STREAM_END)
die("cannot deflate request; zlib deflate error %d", ret);
- ret = deflateEnd(&stream);
+ ret = git_deflate_end_gently(&stream);
if (ret != Z_OK)
die("cannot deflate request; zlib end error %d", ret);
@@ -475,13 +523,7 @@ static int post_rpc(struct rpc_state *rpc)
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);
- slot->curl_result = curl_easy_perform(slot->curl);
- finish_active_slot(slot);
-
- if (results.curl_result != CURLE_OK) {
- err |= error("RPC failed; result=%d, HTTP code = %ld",
- results.curl_result, results.http_code);
- }
+ err = run_slot(slot);
curl_slist_free_all(headers);
free(gzip_body);
@@ -767,19 +809,21 @@ static void parse_push(struct strbuf *buf)
strbuf_reset(buf);
if (strbuf_getline(buf, stdin, '\n') == EOF)
- return;
+ goto free_specs;
if (!*buf->buf)
break;
} while (1);
if (push(nr_spec, specs))
exit(128); /* error already reported */
- for (i = 0; i < nr_spec; i++)
- free(specs[i]);
- free(specs);
printf("\n");
fflush(stdout);
+
+ free_specs:
+ for (i = 0; i < nr_spec; i++)
+ free(specs[i]);
+ free(specs);
}
int main(int argc, const char **argv)
@@ -811,7 +855,14 @@ int main(int argc, const char **argv)
http_init(remote);
do {
- if (strbuf_getline(&buf, stdin, '\n') == EOF)
+ if (strbuf_getline(&buf, stdin, '\n') == EOF) {
+ if (ferror(stdin))
+ fprintf(stderr, "Error reading command stream\n");
+ else
+ fprintf(stderr, "Unexpected end of command stream\n");
+ return 1;
+ }
+ if (buf.len == 0)
break;
if (!prefixcmp(buf.buf, "fetch ")) {
if (nongit)
@@ -851,6 +902,7 @@ int main(int argc, const char **argv)
printf("\n");
fflush(stdout);
} else {
+ fprintf(stderr, "Unknown command '%s'\n", buf.buf);
return 1;
}
strbuf_reset(&buf);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 17:07:16 +0000