#include "pkt-line.h"
#include "gettext.h"
#include "transport.h"
+#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 struct string_list cookies_to_redact = STRING_LIST_INIT_DUP;
#if LIBCURL_VERSION_NUM >= 0x070a08
long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
#else
{ "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;
#if LIBCURL_VERSION_NUM >= 0x070908
static const char *ssl_capath;
#endif
+#if LIBCURL_VERSION_NUM >= 0x071304
+static const char *curl_no_proxy;
+#endif
#if LIBCURL_VERSION_NUM >= 0x072c00
static const char *ssl_pinnedkey;
#endif
static long curl_low_speed_time = -1;
static int curl_ftp_no_epsv;
static const char *curl_http_proxy;
-static const char *curl_no_proxy;
static const char *http_proxy_authmethod;
static struct {
const char *name;
* here, too
*/
};
-#if LIBCURL_VERSION_NUM >= 0x071600
+#ifdef CURLGSSAPI_DELEGATION_FLAG
static const char *curl_deleg;
static struct {
const char *name;
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;
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
}
if (!strcmp("http.delegation", var)) {
-#if LIBCURL_VERSION_NUM >= 0x071600
+#ifdef CURLGSSAPI_DELEGATION_FLAG
return git_config_string(&curl_deleg, var, value);
#else
warning(_("Delegation control is not supported with cURL < 7.22.0"));
/* Everything else is opaque and possibly sensitive */
strbuf_setlen(header, sensitive_header - header->buf);
strbuf_addstr(header, " <redacted>");
+ } else if (cookies_to_redact.nr &&
+ skip_prefix(header->buf, "Cookie:", &sensitive_header)) {
+ struct strbuf redacted_header = STRBUF_INIT;
+ char *cookie;
+
+ while (isspace(*sensitive_header))
+ sensitive_header++;
+
+ /*
+ * The contents of header starting from sensitive_header will
+ * subsequently be overridden, so it is fine to mutate this
+ * string (hence the assignment to "char *").
+ */
+ cookie = (char *) sensitive_header;
+
+ while (cookie) {
+ char *equals;
+ char *semicolon = strstr(cookie, "; ");
+ if (semicolon)
+ *semicolon = 0;
+ equals = strchrnul(cookie, '=');
+ if (!equals) {
+ /* invalid cookie, just append and continue */
+ strbuf_addstr(&redacted_header, cookie);
+ continue;
+ }
+ *equals = 0; /* temporarily set to NUL for lookup */
+ if (string_list_lookup(&cookies_to_redact, cookie)) {
+ strbuf_addstr(&redacted_header, cookie);
+ strbuf_addstr(&redacted_header, "=<redacted>");
+ } else {
+ *equals = '=';
+ strbuf_addstr(&redacted_header, cookie);
+ }
+ if (semicolon) {
+ /*
+ * There are more cookies. (Or, for some
+ * reason, the input string ends in "; ".)
+ */
+ strbuf_addstr(&redacted_header, "; ");
+ cookie = semicolon + strlen("; ");
+ } else {
+ cookie = NULL;
+ }
+ }
+
+ strbuf_setlen(header, sensitive_header - header->buf);
+ strbuf_addbuf(header, &redacted_header);
}
}
switch (type) {
case CURLINFO_TEXT:
trace_printf_key(&trace_curl, "== Info: %s", data);
- default: /* we ignore unknown types by default */
- return 0;
-
+ break;
case CURLINFO_HEADER_OUT:
text = "=> Send header";
curl_dump_header(text, (unsigned char *)data, size, DO_FILTER);
break;
case CURLINFO_DATA_OUT:
- text = "=> Send data";
- curl_dump_data(text, (unsigned char *)data, size);
+ if (trace_curl_data) {
+ text = "=> Send data";
+ curl_dump_data(text, (unsigned char *)data, size);
+ }
break;
case CURLINFO_SSL_DATA_OUT:
- text = "=> Send SSL data";
- curl_dump_data(text, (unsigned char *)data, size);
+ if (trace_curl_data) {
+ text = "=> Send SSL data";
+ curl_dump_data(text, (unsigned char *)data, size);
+ }
break;
case CURLINFO_HEADER_IN:
text = "<= Recv header";
curl_dump_header(text, (unsigned char *)data, size, NO_FILTER);
break;
case CURLINFO_DATA_IN:
- text = "<= Recv data";
- curl_dump_data(text, (unsigned char *)data, size);
+ if (trace_curl_data) {
+ text = "<= Recv data";
+ curl_dump_data(text, (unsigned char *)data, size);
+ }
break;
case CURLINFO_SSL_DATA_IN:
- text = "<= Recv SSL data";
- curl_dump_data(text, (unsigned char *)data, size);
+ if (trace_curl_data) {
+ text = "<= Recv SSL data";
+ curl_dump_data(text, (unsigned char *)data, size);
+ }
break;
+
+ default: /* we ignore unknown types by default */
+ return 0;
}
return 0;
}
curl_easy_setopt(handle, CURLOPT_DEBUGDATA, NULL);
}
+#ifdef CURLPROTO_HTTP
static long get_curl_allowed_protocols(int from_user)
{
long allowed_protocols = 0;
return allowed_protocols;
}
+#endif
static CURL *get_curl_handle(void)
{
curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
#endif
-#if LIBCURL_VERSION_NUM >= 0x071600
+#ifdef CURLGSSAPI_DELEGATION_FLAG
if (curl_deleg) {
int i;
for (i = 0; i < ARRAY_SIZE(curl_deleg_levels); i++) {
}
#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) {
#elif LIBCURL_VERSION_NUM >= 0x071101
curl_easy_setopt(result, CURLOPT_POST301, 1);
#endif
-#if LIBCURL_VERSION_NUM >= 0x071304
+#ifdef CURLPROTO_HTTP
curl_easy_setopt(result, CURLOPT_REDIR_PROTOCOLS,
get_curl_allowed_protocols(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);
setup_curl_trace(result);
+ if (getenv("GIT_TRACE_CURL_NO_DATA"))
+ trace_curl_data = 0;
+ if (getenv("GIT_REDACT_COOKIES")) {
+ string_list_split(&cookies_to_redact,
+ getenv("GIT_REDACT_COOKIES"), ',', -1);
+ string_list_sort(&cookies_to_redact);
+ }
curl_easy_setopt(result, CURLOPT_USERAGENT,
user_agent ? user_agent : git_user_agent());
else if (starts_with(curl_http_proxy, "socks"))
curl_easy_setopt(result,
CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
+#endif
+#if LIBCURL_VERSION_NUM >= 0x073400
+ else if (starts_with(curl_http_proxy, "https"))
+ curl_easy_setopt(result,
+ CURLOPT_PROXYTYPE, CURLPROXY_HTTPS);
#endif
if (strstr(curl_http_proxy, "://"))
credential_from_url(&proxy_auth, curl_http_proxy);
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");
void add_fill_function(void *data, int (*fill)(void *))
{
- struct fill_chain *new = xmalloc(sizeof(*new));
+ struct fill_chain *new_fill = xmalloc(sizeof(*new_fill));
struct fill_chain **linkp = &fill_cfg;
- new->data = data;
- new->fill = fill;
- new->next = NULL;
+ new_fill->data = data;
+ new_fill->fill = fill;
+ new_fill->next = NULL;
while (*linkp)
linkp = &(*linkp)->next;
- *linkp = new;
+ *linkp = new_fill;
}
void fill_active_slots(void)
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, "");
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;
strbuf_reset(result);
break;
default:
- die("BUG: HTTP_KEEP_ERROR is only supported with strbufs");
+ BUG("HTTP_KEEP_ERROR is only supported with strbufs");
}
}
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);
}
char *tmp_idx;
size_t len;
struct child_process ip = CHILD_PROCESS_INIT;
- const char *ip_argv[8];
close_pack_index(p);
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);
- ip_argv[0] = "index-pack";
- ip_argv[1] = "-o";
- ip_argv[2] = tmp_idx;
- ip_argv[3] = preq->tmpfile;
- ip_argv[4] = NULL;
-
- ip.argv = ip_argv;
+ argv_array_push(&ip.args, "index-pack");
+ argv_array_pushl(&ip.args, "-o", tmp_idx, NULL);
+ 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));
- if (finalize_object_file(preq->tmpfile, sha1_pack_name(p->sha1))
+ if (finalize_object_file(preq->tmpfile.buf, sha1_pack_name(p->sha1))
|| finalize_object_file(tmp_idx, sha1_pack_index_name(p->sha1))) {
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);
sha1_to_hex(target->sha1));
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->sha1));
+ 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;
}
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;
unsigned char *sha1)
{
char *hex = sha1_to_hex(sha1);
- const char *filename;
- char prevfile[PATH_MAX];
+ struct strbuf filename = STRBUF_INIT;
+ 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));
+ strbuf_init(&freq->tmpfile, 0);
hashcpy(freq->sha1, sha1);
freq->localfile = -1;
- filename = sha1_file_name(sha1);
- snprintf(freq->tmpfile, sizeof(freq->tmpfile),
- "%s.temp", filename);
+ sha1_file_name(the_repository, &filename, sha1);
+ strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf);
- snprintf(prevfile, sizeof(prevfile), "%s.prev", filename);
- 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;
int finish_http_object_request(struct http_object_request *freq)
{
struct stat st;
+ struct strbuf filename = STRBUF_INIT;
close(freq->localfile);
freq->localfile = -1;
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);
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 (!hasheq(freq->sha1, freq->real_sha1)) {
+ unlink_or_warn(freq->tmpfile.buf);
return -1;
}
- freq->rename =
- finalize_object_file(freq->tmpfile, sha1_file_name(freq->sha1));
+ sha1_file_name(the_repository, &filename, freq->sha1);
+ 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);
}