#include "packfile.h"
#include "protocol.h"
#include "string-list.h"
+#include "object-store.h"
static struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
static int trace_curl_data = 1;
static int curl_ssl_verify = -1;
static int curl_ssl_try;
+static const char *curl_http_version = NULL;
static const char *ssl_cert;
static const char *ssl_cipherlist;
static const char *ssl_version;
{ "tlsv1.1", CURL_SSLVERSION_TLSv1_1 },
{ "tlsv1.2", CURL_SSLVERSION_TLSv1_2 },
#endif
+#if LIBCURL_VERSION_NUM >= 0x073400
+ { "tlsv1.3", CURL_SSLVERSION_TLSv1_3 },
+#endif
};
#if LIBCURL_VERSION_NUM >= 0x070903
static const char *ssl_key;
static char *cached_accept_language;
+static char *http_ssl_backend;
+
+static int http_schannel_check_revoke = 1;
+/*
+ * With the backend being set to `schannel`, setting sslCAinfo would override
+ * the Certificate Store in cURL v7.60.0 and later, which is not what we want
+ * by default.
+ */
+static int http_schannel_use_ssl_cainfo;
+
size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
{
size_t size = eltsize * nmemb;
static int http_options(const char *var, const char *value, void *cb)
{
+ if (!strcmp("http.version", var)) {
+ return git_config_string(&curl_http_version, var, value);
+ }
if (!strcmp("http.sslverify", var)) {
curl_ssl_verify = git_config_bool(var, value);
return 0;
curl_ssl_try = git_config_bool(var, value);
return 0;
}
+ if (!strcmp("http.sslbackend", var)) {
+ free(http_ssl_backend);
+ http_ssl_backend = xstrdup_or_null(value);
+ return 0;
+ }
+
+ if (!strcmp("http.schannelcheckrevoke", var)) {
+ http_schannel_check_revoke = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (!strcmp("http.schannelusesslcainfo", var)) {
+ http_schannel_use_ssl_cainfo = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp("http.minsessions", var)) {
min_curl_sessions = git_config_int(var, value);
#ifndef USE_CURL_MULTI
}
#endif
+#if LIBCURL_VERSION_NUM >=0x072f00
+static int get_curl_http_version_opt(const char *version_string, long *opt)
+{
+ int i;
+ static struct {
+ const char *name;
+ long opt_token;
+ } choice[] = {
+ { "HTTP/1.1", CURL_HTTP_VERSION_1_1 },
+ { "HTTP/2", CURL_HTTP_VERSION_2 }
+ };
+
+ for (i = 0; i < ARRAY_SIZE(choice); i++) {
+ if (!strcmp(version_string, choice[i].name)) {
+ *opt = choice[i].opt_token;
+ return 0;
+ }
+ }
+
+ warning("unknown value given to http.version: '%s'", version_string);
+ return -1; /* not found */
+}
+
+#endif
+
static CURL *get_curl_handle(void)
{
CURL *result = curl_easy_init();
curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 2);
}
+#if LIBCURL_VERSION_NUM >= 0x072f00 // 7.47.0
+ if (curl_http_version) {
+ long opt;
+ if (!get_curl_http_version_opt(curl_http_version, &opt)) {
+ /* Set request use http version */
+ curl_easy_setopt(result, CURLOPT_HTTP_VERSION, opt);
+ }
+ }
+#endif
+
#if LIBCURL_VERSION_NUM >= 0x070907
curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
#endif
}
#endif
+ if (http_ssl_backend && !strcmp("schannel", http_ssl_backend) &&
+ !http_schannel_check_revoke) {
+#if LIBCURL_VERSION_NUM >= 0x072c00
+ curl_easy_setopt(result, CURLOPT_SSL_OPTIONS, CURLSSLOPT_NO_REVOKE);
+#else
+ warning(_("CURLSSLOPT_NO_REVOKE not supported with cURL < 7.44.0"));
+#endif
+ }
+
if (http_proactive_auth)
init_curl_http_auth(result);
if (ssl_pinnedkey != NULL)
curl_easy_setopt(result, CURLOPT_PINNEDPUBLICKEY, ssl_pinnedkey);
#endif
- if (ssl_cainfo != NULL)
+ if (http_ssl_backend && !strcmp("schannel", http_ssl_backend) &&
+ !http_schannel_use_ssl_cainfo) {
+ curl_easy_setopt(result, CURLOPT_CAINFO, NULL);
+#if LIBCURL_VERSION_NUM >= 0x073400
+ curl_easy_setopt(result, CURLOPT_PROXY_CAINFO, NULL);
+#endif
+ } else if (ssl_cainfo != NULL)
curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo);
if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) {
curl_easy_setopt(result, CURLOPT_PROTOCOLS,
get_curl_allowed_protocols(-1));
#else
- warning("protocol restrictions not applied to curl redirects because\n"
- "your curl version is too old (>= 7.19.4)");
+ warning(_("Protocol restrictions not supported with cURL < 7.19.4"));
#endif
if (getenv("GIT_CURL_VERBOSE"))
curl_easy_setopt(result, CURLOPT_VERBOSE, 1L);
*var = val;
}
-static void protocol_http_header(void)
-{
- if (get_protocol_version_config() > 0) {
- struct strbuf protocol_header = STRBUF_INIT;
-
- strbuf_addf(&protocol_header, GIT_PROTOCOL_HEADER ": version=%d",
- get_protocol_version_config());
-
-
- extra_http_headers = curl_slist_append(extra_http_headers,
- protocol_header.buf);
- strbuf_release(&protocol_header);
- }
-}
-
void http_init(struct remote *remote, const char *url, int proactive_auth)
{
char *low_speed_limit;
git_config(urlmatch_config_entry, &config);
free(normalized_url);
+#if LIBCURL_VERSION_NUM >= 0x073800
+ if (http_ssl_backend) {
+ const curl_ssl_backend **backends;
+ struct strbuf buf = STRBUF_INIT;
+ int i;
+
+ switch (curl_global_sslset(-1, http_ssl_backend, &backends)) {
+ case CURLSSLSET_UNKNOWN_BACKEND:
+ strbuf_addf(&buf, _("Unsupported SSL backend '%s'. "
+ "Supported SSL backends:"),
+ http_ssl_backend);
+ for (i = 0; backends[i]; i++)
+ strbuf_addf(&buf, "\n\t%s", backends[i]->name);
+ die("%s", buf.buf);
+ case CURLSSLSET_NO_BACKENDS:
+ die(_("Could not set SSL backend to '%s': "
+ "cURL was built without SSL backends"),
+ http_ssl_backend);
+ case CURLSSLSET_TOO_LATE:
+ die(_("Could not set SSL backend to '%s': already set"),
+ http_ssl_backend);
+ case CURLSSLSET_OK:
+ break; /* Okay! */
+ }
+ }
+#endif
+
if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK)
die("curl_global_init failed");
if (remote)
var_override(&http_proxy_authmethod, remote->http_proxy_authmethod);
- protocol_http_header();
-
pragma_header = curl_slist_append(http_copy_default_headers(),
"Pragma: no-cache");
no_pragma_header = curl_slist_append(http_copy_default_headers(),
strbuf_addstr(&buf, "Pragma:");
if (options && options->no_cache)
strbuf_addstr(&buf, " no-cache");
- if (options && options->keep_error)
- curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
if (options && options->initial_request &&
http_follow_config == HTTP_FOLLOW_INITIAL)
curl_easy_setopt(slot->curl, CURLOPT_FOLLOWLOCATION, 1);
headers = curl_slist_append(headers, buf.buf);
+ /* Add additional headers here */
+ if (options && options->extra_headers) {
+ const struct string_list_item *item;
+ for_each_string_list_item(item, options->extra_headers) {
+ headers = curl_slist_append(headers, item->string);
+ }
+ }
+
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
- curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "gzip");
+ curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "");
+ curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
ret = run_one_slot(slot, &results);
return 0;
if (!skip_prefix(asked, base->buf, &tail))
- die("BUG: update_url_from_redirect: %s is not a superset of %s",
+ BUG("update_url_from_redirect: %s is not a superset of %s",
asked, base->buf);
new_len = got->len;
return ret;
/*
- * If we are using KEEP_ERROR, the previous request may have
- * put cruft into our output stream; we should clear it out before
- * making our next request. We only know how to do this for
- * the strbuf case, but that is enough to satisfy current callers.
+ * The previous request may have put cruft into our output stream; we
+ * should clear it out before making our next request.
*/
- if (options && options->keep_error) {
- switch (target) {
- case HTTP_REQUEST_STRBUF:
- strbuf_reset(result);
- break;
- default:
- die("BUG: HTTP_KEEP_ERROR is only supported with strbufs");
+ switch (target) {
+ case HTTP_REQUEST_STRBUF:
+ strbuf_reset(result);
+ break;
+ case HTTP_REQUEST_FILE:
+ if (fflush(result)) {
+ error_errno("unable to flush a file");
+ return HTTP_START_FAILED;
}
+ rewind(result);
+ if (ftruncate(fileno(result), 0) < 0) {
+ error_errno("unable to truncate a file");
+ return HTTP_START_FAILED;
+ }
+ break;
+ default:
+ BUG("Unknown http_request target");
}
credential_fill(&http_auth);
int ret = 0, i = 0;
char *url, *data;
struct strbuf buf = STRBUF_INIT;
- unsigned char sha1[20];
+ unsigned char hash[GIT_MAX_RAWSZ];
+ const unsigned hexsz = the_hash_algo->hexsz;
end_url_with_slash(&buf, base_url);
strbuf_addstr(&buf, "objects/info/packs");
switch (data[i]) {
case 'P':
i++;
- if (i + 52 <= buf.len &&
+ if (i + hexsz + 12 <= buf.len &&
starts_with(data + i, " pack-") &&
- starts_with(data + i + 46, ".pack\n")) {
- get_sha1_hex(data + i + 6, sha1);
- fetch_and_setup_pack_index(packs_head, sha1,
+ starts_with(data + i + hexsz + 6, ".pack\n")) {
+ get_sha1_hex(data + i + 6, hash);
+ fetch_and_setup_pack_index(packs_head, hash,
base_url);
- i += 51;
+ i += hexsz + 11;
break;
}
default:
preq->packfile = NULL;
}
preq->slot = NULL;
+ strbuf_release(&preq->tmpfile);
free(preq->url);
free(preq);
}
lst = &((*lst)->next);
*lst = (*lst)->next;
- if (!strip_suffix(preq->tmpfile, ".pack.temp", &len))
- die("BUG: pack tmpfile does not end in .pack.temp?");
- tmp_idx = xstrfmt("%.*s.idx.temp", (int)len, preq->tmpfile);
+ if (!strip_suffix(preq->tmpfile.buf, ".pack.temp", &len))
+ BUG("pack tmpfile does not end in .pack.temp?");
+ tmp_idx = xstrfmt("%.*s.idx.temp", (int)len, preq->tmpfile.buf);
argv_array_push(&ip.args, "index-pack");
argv_array_pushl(&ip.args, "-o", tmp_idx, NULL);
- argv_array_push(&ip.args, preq->tmpfile);
+ argv_array_push(&ip.args, preq->tmpfile.buf);
ip.git_cmd = 1;
ip.no_stdin = 1;
ip.no_stdout = 1;
if (run_command(&ip)) {
- unlink(preq->tmpfile);
+ unlink(preq->tmpfile.buf);
unlink(tmp_idx);
free(tmp_idx);
return -1;
}
- unlink(sha1_pack_index_name(p->sha1));
+ unlink(sha1_pack_index_name(p->hash));
- if (finalize_object_file(preq->tmpfile, sha1_pack_name(p->sha1))
- || finalize_object_file(tmp_idx, sha1_pack_index_name(p->sha1))) {
+ if (finalize_object_file(preq->tmpfile.buf, sha1_pack_name(p->hash))
+ || finalize_object_file(tmp_idx, sha1_pack_index_name(p->hash))) {
free(tmp_idx);
return -1;
}
- install_packed_git(p);
+ install_packed_git(the_repository, p);
free(tmp_idx);
return 0;
}
struct http_pack_request *preq;
preq = xcalloc(1, sizeof(*preq));
+ strbuf_init(&preq->tmpfile, 0);
preq->target = target;
end_url_with_slash(&buf, base_url);
strbuf_addf(&buf, "objects/pack/pack-%s.pack",
- sha1_to_hex(target->sha1));
+ sha1_to_hex(target->hash));
preq->url = strbuf_detach(&buf, NULL);
- snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp",
- sha1_pack_name(target->sha1));
- preq->packfile = fopen(preq->tmpfile, "a");
+ strbuf_addf(&preq->tmpfile, "%s.temp", sha1_pack_name(target->hash));
+ preq->packfile = fopen(preq->tmpfile.buf, "a");
if (!preq->packfile) {
error("Unable to open local file %s for pack",
- preq->tmpfile);
+ preq->tmpfile.buf);
goto abort;
}
if (http_is_verbose)
fprintf(stderr,
"Resuming fetch of pack %s at byte %"PRIuMAX"\n",
- sha1_to_hex(target->sha1), (uintmax_t)prev_posn);
+ sha1_to_hex(target->hash),
+ (uintmax_t)prev_posn);
http_opt_request_remainder(preq->slot->curl, prev_posn);
}
return preq;
abort:
+ strbuf_release(&preq->tmpfile);
free(preq->url);
free(preq);
return NULL;
CURLcode c = curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE,
&slot->http_code);
if (c != CURLE_OK)
- die("BUG: curl_easy_getinfo for HTTP code failed: %s",
+ BUG("curl_easy_getinfo for HTTP code failed: %s",
curl_easy_strerror(c));
if (slot->http_code >= 300)
return size;
}
struct http_object_request *new_http_object_request(const char *base_url,
- unsigned char *sha1)
+ const struct object_id *oid)
{
- char *hex = sha1_to_hex(sha1);
+ char *hex = oid_to_hex(oid);
struct strbuf filename = STRBUF_INIT;
- char prevfile[PATH_MAX];
+ struct strbuf prevfile = STRBUF_INIT;
int prevlocal;
char prev_buf[PREV_BUF_SIZE];
ssize_t prev_read = 0;
struct http_object_request *freq;
freq = xcalloc(1, sizeof(*freq));
- hashcpy(freq->sha1, sha1);
+ strbuf_init(&freq->tmpfile, 0);
+ oidcpy(&freq->oid, oid);
freq->localfile = -1;
- sha1_file_name(&filename, sha1);
- snprintf(freq->tmpfile, sizeof(freq->tmpfile),
- "%s.temp", filename.buf);
+ loose_object_path(the_repository, &filename, oid);
+ strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf);
- snprintf(prevfile, sizeof(prevfile), "%s.prev", filename.buf);
- unlink_or_warn(prevfile);
- rename(freq->tmpfile, prevfile);
- unlink_or_warn(freq->tmpfile);
+ strbuf_addf(&prevfile, "%s.prev", filename.buf);
+ unlink_or_warn(prevfile.buf);
+ rename(freq->tmpfile.buf, prevfile.buf);
+ unlink_or_warn(freq->tmpfile.buf);
strbuf_release(&filename);
if (freq->localfile != -1)
error("fd leakage in start: %d", freq->localfile);
- freq->localfile = open(freq->tmpfile,
+ freq->localfile = open(freq->tmpfile.buf,
O_WRONLY | O_CREAT | O_EXCL, 0666);
/*
* This could have failed due to the "lazy directory creation";
* try to mkdir the last path component.
*/
if (freq->localfile < 0 && errno == ENOENT) {
- char *dir = strrchr(freq->tmpfile, '/');
+ char *dir = strrchr(freq->tmpfile.buf, '/');
if (dir) {
*dir = 0;
- mkdir(freq->tmpfile, 0777);
+ mkdir(freq->tmpfile.buf, 0777);
*dir = '/';
}
- freq->localfile = open(freq->tmpfile,
+ freq->localfile = open(freq->tmpfile.buf,
O_WRONLY | O_CREAT | O_EXCL, 0666);
}
if (freq->localfile < 0) {
- error_errno("Couldn't create temporary file %s", freq->tmpfile);
+ error_errno("Couldn't create temporary file %s",
+ freq->tmpfile.buf);
goto abort;
}
* If a previous temp file is present, process what was already
* fetched.
*/
- prevlocal = open(prevfile, O_RDONLY);
+ prevlocal = open(prevfile.buf, O_RDONLY);
if (prevlocal != -1) {
do {
prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE);
} while (prev_read > 0);
close(prevlocal);
}
- unlink_or_warn(prevfile);
+ unlink_or_warn(prevfile.buf);
+ strbuf_release(&prevfile);
/*
* Reset inflate/SHA1 if there was an error reading the previous temp
lseek(freq->localfile, 0, SEEK_SET);
if (ftruncate(freq->localfile, 0) < 0) {
error_errno("Couldn't truncate temporary file %s",
- freq->tmpfile);
+ freq->tmpfile.buf);
goto abort;
}
}
return freq;
abort:
+ strbuf_release(&prevfile);
free(freq->url);
free(freq);
return NULL;
if (freq->http_code == 416) {
warning("requested range invalid; we may already have all the data.");
} else if (freq->curl_result != CURLE_OK) {
- if (stat(freq->tmpfile, &st) == 0)
+ if (stat(freq->tmpfile.buf, &st) == 0)
if (st.st_size == 0)
- unlink_or_warn(freq->tmpfile);
+ unlink_or_warn(freq->tmpfile.buf);
return -1;
}
git_inflate_end(&freq->stream);
- git_SHA1_Final(freq->real_sha1, &freq->c);
+ git_SHA1_Final(freq->real_oid.hash, &freq->c);
if (freq->zret != Z_STREAM_END) {
- unlink_or_warn(freq->tmpfile);
+ unlink_or_warn(freq->tmpfile.buf);
return -1;
}
- if (hashcmp(freq->sha1, freq->real_sha1)) {
- unlink_or_warn(freq->tmpfile);
+ if (!oideq(&freq->oid, &freq->real_oid)) {
+ unlink_or_warn(freq->tmpfile.buf);
return -1;
}
-
- sha1_file_name(&filename, freq->sha1);
- freq->rename = finalize_object_file(freq->tmpfile, filename.buf);
+ loose_object_path(the_repository, &filename, &freq->oid);
+ freq->rename = finalize_object_file(freq->tmpfile.buf, filename.buf);
strbuf_release(&filename);
return freq->rename;
void abort_http_object_request(struct http_object_request *freq)
{
- unlink_or_warn(freq->tmpfile);
+ unlink_or_warn(freq->tmpfile.buf);
release_http_object_request(freq);
}
close(freq->localfile);
freq->localfile = -1;
}
- if (freq->url != NULL) {
- FREE_AND_NULL(freq->url);
- }
+ FREE_AND_NULL(freq->url);
if (freq->slot != NULL) {
freq->slot->callback_func = NULL;
freq->slot->callback_data = NULL;
release_active_slot(freq->slot);
freq->slot = NULL;
}
+ strbuf_release(&freq->tmpfile);
}