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-rw-r--r--remote-curl.c96
1 files changed, 57 insertions, 39 deletions
diff --git a/remote-curl.c b/remote-curl.c
index 72dfb8fb86..cae98384da 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -1,22 +1,28 @@
-#include "cache.h"
+#include "git-compat-util.h"
+#include "git-curl-compat.h"
#include "config.h"
+#include "environment.h"
+#include "gettext.h"
+#include "hex.h"
#include "remote.h"
#include "connect.h"
#include "strbuf.h"
#include "walker.h"
#include "http.h"
-#include "exec-cmd.h"
#include "run-command.h"
#include "pkt-line.h"
#include "string-list.h"
-#include "sideband.h"
#include "strvec.h"
#include "credential.h"
#include "oid-array.h"
#include "send-pack.h"
+#include "setup.h"
#include "protocol.h"
#include "quote.h"
+#include "trace2.h"
#include "transport.h"
+#include "url.h"
+#include "write-or-die.h"
static struct remote *remote;
/* always ends with a trailing slash */
@@ -206,14 +212,9 @@ static int set_option(const char *name, const char *value)
options.filter = xstrdup(value);
return 0;
} else if (!strcmp(name, "object-format")) {
- int algo;
options.object_format = 1;
- if (strcmp(value, "true")) {
- algo = hash_algo_by_name(value);
- if (algo == GIT_HASH_UNKNOWN)
- die("unknown object format '%s'", value);
- options.hash_algo = &hash_algos[algo];
- }
+ if (strcmp(value, "true"))
+ die(_("unknown value for object-format: %s"), value);
return 0;
} else {
return 1 /* unsupported */;
@@ -472,10 +473,11 @@ static struct discovery *discover_refs(const char *service, int for_push)
/*
* NEEDSWORK: If we are trying to use protocol v2 and we are planning
- * to perform a push, then fallback to v0 since the client doesn't know
- * how to push yet using v2.
+ * to perform any operation that doesn't involve upload-pack (i.e., a
+ * fetch, ls-remote, etc), then fallback to v0 since we don't know how
+ * to do anything else (like push or remote archive) via v2.
*/
- if (version == protocol_v2 && !strcmp("git-receive-pack", service))
+ if (version == protocol_v2 && strcmp("git-upload-pack", service))
version = protocol_v0;
/* Add the extra Git-Protocol header */
@@ -717,25 +719,23 @@ static size_t rpc_out(void *ptr, size_t eltsize,
return avail;
}
-static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp)
+static int rpc_seek(void *clientp, curl_off_t offset, int origin)
{
struct rpc_state *rpc = clientp;
- switch (cmd) {
- case CURLIOCMD_NOP:
- return CURLIOE_OK;
+ if (origin != SEEK_SET)
+ BUG("rpc_seek only handles SEEK_SET, not %d", origin);
- case CURLIOCMD_RESTARTREAD:
- if (rpc->initial_buffer) {
- rpc->pos = 0;
- return CURLIOE_OK;
+ if (rpc->initial_buffer) {
+ if (offset < 0 || offset > rpc->len) {
+ error("curl seek would be outside of rpc buffer");
+ return CURL_SEEKFUNC_FAIL;
}
- error(_("unable to rewind rpc post data - try increasing http.postBuffer"));
- return CURLIOE_FAILRESTART;
-
- default:
- return CURLIOE_UNKNOWNCMD;
+ rpc->pos = offset;
+ return CURL_SEEKFUNC_OK;
}
+ error(_("unable to rewind rpc post data - try increasing http.postBuffer"));
+ return CURL_SEEKFUNC_FAIL;
}
struct check_pktline_state {
@@ -757,7 +757,8 @@ static void check_pktline(struct check_pktline_state *state, const char *ptr, si
size -= digits_remaining;
if (state->len_filled == 4) {
- state->remaining = packet_length(state->len_buf);
+ state->remaining = packet_length(state->len_buf,
+ sizeof(state->len_buf));
if (state->remaining < 0) {
die(_("remote-curl: bad line length character: %.4s"), state->len_buf);
} else if (state->remaining == 2) {
@@ -888,7 +889,7 @@ static curl_off_t xcurl_off_t(size_t len)
static int post_rpc(struct rpc_state *rpc, int stateless_connect, int flush_received)
{
struct active_request_slot *slot;
- struct curl_slist *headers = http_copy_default_headers();
+ struct curl_slist *headers = NULL;
int use_gzip = rpc->gzip_request;
char *gzip_body = NULL;
size_t gzip_size = 0;
@@ -921,20 +922,24 @@ static int post_rpc(struct rpc_state *rpc, int stateless_connect, int flush_rece
do {
err = probe_rpc(rpc, &results);
if (err == HTTP_REAUTH)
- credential_fill(&http_auth);
+ credential_fill(&http_auth, 0);
} while (err == HTTP_REAUTH);
if (err != HTTP_OK)
return -1;
- if (results.auth_avail & CURLAUTH_GSSNEGOTIATE)
+ if (results.auth_avail & CURLAUTH_GSSNEGOTIATE || http_auth.authtype)
needs_100_continue = 1;
}
+retry:
+ headers = http_copy_default_headers();
headers = curl_slist_append(headers, rpc->hdr_content_type);
headers = curl_slist_append(headers, rpc->hdr_accept);
headers = curl_slist_append(headers, needs_100_continue ?
"Expect: 100-continue" : "Expect:");
+ headers = http_append_auth_header(&http_auth, headers);
+
/* Add Accept-Language header */
if (rpc->hdr_accept_language)
headers = curl_slist_append(headers, rpc->hdr_accept_language);
@@ -943,7 +948,6 @@ static int post_rpc(struct rpc_state *rpc, int stateless_connect, int flush_rece
if (rpc->protocol_header)
headers = curl_slist_append(headers, rpc->protocol_header);
-retry:
slot = get_active_slot();
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
@@ -955,12 +959,14 @@ retry:
/* The request body is large and the size cannot be predicted.
* We must use chunked encoding to send it.
*/
+#ifdef GIT_CURL_NEED_TRANSFER_ENCODING_HEADER
headers = curl_slist_append(headers, "Transfer-Encoding: chunked");
+#endif
rpc->initial_buffer = 1;
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out);
curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc);
- curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, rpc_ioctl);
- curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, rpc);
+ curl_easy_setopt(slot->curl, CURLOPT_SEEKFUNCTION, rpc_seek);
+ curl_easy_setopt(slot->curl, CURLOPT_SEEKDATA, rpc);
if (options.verbosity > 1) {
fprintf(stderr, "POST %s (chunked)\n", rpc->service_name);
fflush(stderr);
@@ -1038,7 +1044,8 @@ retry:
rpc->any_written = 0;
err = run_slot(slot, NULL);
if (err == HTTP_REAUTH && !large_request) {
- credential_fill(&http_auth);
+ credential_fill(&http_auth, 0);
+ curl_slist_free_all(headers);
goto retry;
}
if (err != HTTP_OK)
@@ -1441,8 +1448,14 @@ static int stateless_connect(const char *service_name)
* establish a stateless connection, otherwise we need to tell the
* client to fallback to using other transport helper functions to
* complete their request.
+ *
+ * The "git-upload-archive" service is a read-only operation. Fallback
+ * to use "git-upload-pack" service to discover protocol version.
*/
- discover = discover_refs(service_name, 0);
+ if (!strcmp(service_name, "git-upload-archive"))
+ discover = discover_refs("git-upload-pack", 0);
+ else
+ discover = discover_refs(service_name, 0);
if (discover->version != protocol_v2) {
printf("fallback\n");
fflush(stdout);
@@ -1480,9 +1493,11 @@ static int stateless_connect(const char *service_name)
/*
* Dump the capability listing that we got from the server earlier
- * during the info/refs request.
+ * during the info/refs request. This does not work with the
+ * "git-upload-archive" service.
*/
- write_or_die(rpc.in, discover->buf, discover->len);
+ if (strcmp(service_name, "git-upload-archive"))
+ write_or_die(rpc.in, discover->buf, discover->len);
/* Until we see EOF keep sending POSTs */
while (1) {
@@ -1558,8 +1573,11 @@ int cmd_main(int argc, const char **argv)
if (buf.len == 0)
break;
if (starts_with(buf.buf, "fetch ")) {
- if (nongit)
- die(_("remote-curl: fetch attempted without a local repo"));
+ if (nongit) {
+ setup_git_directory_gently(&nongit);
+ if (nongit)
+ die(_("remote-curl: fetch attempted without a local repo"));
+ }
parse_fetch(&buf);
} else if (!strcmp(buf.buf, "list") || starts_with(buf.buf, "list ")) {
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-26 09:38:31 +0000