#include "sideband.h"
#include "run-command.h"
#include "url.h"
+#include "urlmatch.h"
#include "credential.h"
#include "version.h"
#include "pkt-line.h"
static int curl_ftp_no_epsv;
static const char *curl_http_proxy;
static const char *curl_cookie_file;
-static struct credential http_auth = CREDENTIAL_INIT;
+static int curl_save_cookies;
+struct credential http_auth = CREDENTIAL_INIT;
static int http_proactive_auth;
static const char *user_agent;
if (!strcmp("http.sslcainfo", var))
return git_config_string(&ssl_cainfo, var, value);
if (!strcmp("http.sslcertpasswordprotected", var)) {
- if (git_config_bool(var, value))
- ssl_cert_password_required = 1;
+ ssl_cert_password_required = git_config_bool(var, value);
return 0;
}
if (!strcmp("http.ssltry", var)) {
if (!strcmp("http.cookiefile", var))
return git_config_string(&curl_cookie_file, var, value);
+ if (!strcmp("http.savecookies", var)) {
+ curl_save_cookies = git_config_bool(var, value);
+ return 0;
+ }
if (!strcmp("http.postbuffer", var)) {
http_post_buffer = git_config_int(var, value);
return 1;
}
+#if LIBCURL_VERSION_NUM >= 0x071900
+static void set_curl_keepalive(CURL *c)
+{
+ curl_easy_setopt(c, CURLOPT_TCP_KEEPALIVE, 1);
+}
+
+#elif LIBCURL_VERSION_NUM >= 0x071000
+static int sockopt_callback(void *client, curl_socket_t fd, curlsocktype type)
+{
+ int ka = 1;
+ int rc;
+ socklen_t len = (socklen_t)sizeof(ka);
+
+ if (type != CURLSOCKTYPE_IPCXN)
+ return 0;
+
+ rc = setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void *)&ka, len);
+ if (rc < 0)
+ warning("unable to set SO_KEEPALIVE on socket %s",
+ strerror(errno));
+
+ return 0; /* CURL_SOCKOPT_OK only exists since curl 7.21.5 */
+}
+
+static void set_curl_keepalive(CURL *c)
+{
+ curl_easy_setopt(c, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
+}
+
+#else
+static void set_curl_keepalive(CURL *c)
+{
+ /* not supported on older curl versions */
+}
+#endif
+
static CURL *get_curl_handle(void)
{
CURL *result = curl_easy_init();
curl_easy_setopt(result, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
}
+ set_curl_keepalive(result);
+
return result;
}
{
char *low_speed_limit;
char *low_speed_time;
+ char *normalized_url;
+ struct urlmatch_config config = { STRING_LIST_INIT_DUP };
+
+ config.section = "http";
+ config.key = NULL;
+ config.collect_fn = http_options;
+ config.cascade_fn = git_default_config;
+ config.cb = NULL;
http_is_verbose = 0;
+ normalized_url = url_normalize(url, &config.url);
- git_config(http_options, NULL);
+ git_config(urlmatch_config_entry, &config);
+ free(normalized_url);
curl_global_init(CURL_GLOBAL_ALL);
slot->callback_data = NULL;
slot->callback_func = NULL;
curl_easy_setopt(slot->curl, CURLOPT_COOKIEFILE, curl_cookie_file);
+ if (curl_save_cookies)
+ curl_easy_setopt(slot->curl, CURLOPT_COOKIEJAR, curl_cookie_file);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, pragma_header);
curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, NULL);
if (slot->results != NULL) {
slot->results->curl_result = slot->curl_result;
slot->results->http_code = slot->http_code;
+ #if LIBCURL_VERSION_NUM >= 0x070a08
+ curl_easy_getinfo(slot->curl, CURLINFO_HTTPAUTH_AVAIL,
+ &slot->results->auth_avail);
+ #else
+ slot->results->auth_avail = 0;
+ #endif
}
/* Run callback if appropriate */
credential_reject(&http_auth);
return HTTP_NOAUTH;
} else {
- credential_fill(&http_auth);
return HTTP_REAUTH;
}
} else {
}
}
+static CURLcode curlinfo_strbuf(CURL *curl, CURLINFO info, struct strbuf *buf)
+{
+ char *ptr;
+ CURLcode ret;
+
+ strbuf_reset(buf);
+ ret = curl_easy_getinfo(curl, info, &ptr);
+ if (!ret && ptr)
+ strbuf_addstr(buf, ptr);
+ return ret;
+}
+
/* http_request() targets */
#define HTTP_REQUEST_STRBUF 0
#define HTTP_REQUEST_FILE 1
-static int http_request(const char *url, struct strbuf *type,
- void *result, int target, int options)
+static int http_request(const char *url,
+ void *result, int target,
+ const struct http_get_options *options)
{
struct active_request_slot *slot;
struct slot_results results;
}
strbuf_addstr(&buf, "Pragma:");
- if (options & HTTP_NO_CACHE)
+ if (options && options->no_cache)
strbuf_addstr(&buf, " no-cache");
- if (options & HTTP_KEEP_ERROR)
+ if (options && options->keep_error)
curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
headers = curl_slist_append(headers, buf.buf);
ret = HTTP_START_FAILED;
}
- if (type) {
- char *t;
- strbuf_reset(type);
- curl_easy_getinfo(slot->curl, CURLINFO_CONTENT_TYPE, &t);
- if (t)
- strbuf_addstr(type, t);
- }
+ if (options && options->content_type)
+ curlinfo_strbuf(slot->curl, CURLINFO_CONTENT_TYPE,
+ options->content_type);
+
+ if (options && options->effective_url)
+ curlinfo_strbuf(slot->curl, CURLINFO_EFFECTIVE_URL,
+ options->effective_url);
curl_slist_free_all(headers);
strbuf_release(&buf);
return ret;
}
+/*
+ * Update the "base" url to a more appropriate value, as deduced by
+ * redirects seen when requesting a URL starting with "url".
+ *
+ * The "asked" parameter is a URL that we asked curl to access, and must begin
+ * with "base".
+ *
+ * The "got" parameter is the URL that curl reported to us as where we ended
+ * up.
+ *
+ * Returns 1 if we updated the base url, 0 otherwise.
+ *
+ * Our basic strategy is to compare "base" and "asked" to find the bits
+ * specific to our request. We then strip those bits off of "got" to yield the
+ * new base. So for example, if our base is "http://example.com/foo.git",
+ * and we ask for "http://example.com/foo.git/info/refs", we might end up
+ * with "https://other.example.com/foo.git/info/refs". We would want the
+ * new URL to become "https://other.example.com/foo.git".
+ *
+ * Note that this assumes a sane redirect scheme. It's entirely possible
+ * in the example above to end up at a URL that does not even end in
+ * "info/refs". In such a case we simply punt, as there is not much we can
+ * do (and such a scheme is unlikely to represent a real git repository,
+ * which means we are likely about to abort anyway).
+ */
+static int update_url_from_redirect(struct strbuf *base,
+ const char *asked,
+ const struct strbuf *got)
+{
+ const char *tail;
+ size_t tail_len;
+
+ if (!strcmp(asked, got->buf))
+ return 0;
+
+ if (prefixcmp(asked, base->buf))
+ die("BUG: update_url_from_redirect: %s is not a superset of %s",
+ asked, base->buf);
+
+ tail = asked + base->len;
+ tail_len = strlen(tail);
+
+ if (got->len < tail_len ||
+ strcmp(tail, got->buf + got->len - tail_len))
+ return 0; /* insane redirect scheme */
+
+ strbuf_reset(base);
+ strbuf_add(base, got->buf, got->len - tail_len);
+ return 1;
+}
+
static int http_request_reauth(const char *url,
- struct strbuf *type,
void *result, int target,
- int options)
+ struct http_get_options *options)
{
- int ret = http_request(url, type, result, target, options);
+ int ret = http_request(url, result, target, options);
+
+ if (options && options->effective_url && options->base_url) {
+ if (update_url_from_redirect(options->base_url,
+ url, options->effective_url)) {
+ credential_from_url(&http_auth, options->base_url->buf);
+ url = options->effective_url->buf;
+ }
+ }
+
if (ret != HTTP_REAUTH)
return ret;
* making our next request. We only know how to do this for
* the strbuf case, but that is enough to satisfy current callers.
*/
- if (options & HTTP_KEEP_ERROR) {
+ if (options && options->keep_error) {
switch (target) {
case HTTP_REQUEST_STRBUF:
strbuf_reset(result);
die("BUG: HTTP_KEEP_ERROR is only supported with strbufs");
}
}
- return http_request(url, type, result, target, options);
+
+ credential_fill(&http_auth);
+
+ return http_request(url, result, target, options);
}
int http_get_strbuf(const char *url,
- struct strbuf *type,
- struct strbuf *result, int options)
+ struct strbuf *result,
+ struct http_get_options *options)
{
- return http_request_reauth(url, type, result,
- HTTP_REQUEST_STRBUF, options);
+ return http_request_reauth(url, result, HTTP_REQUEST_STRBUF, options);
}
/*
* If a previous interrupted download is detected (i.e. a previous temporary
* file is still around) the download is resumed.
*/
-static int http_get_file(const char *url, const char *filename, int options)
+static int http_get_file(const char *url, const char *filename,
+ struct http_get_options *options)
{
int ret;
struct strbuf tmpfile = STRBUF_INIT;
strbuf_addf(&tmpfile, "%s.temp", filename);
result = fopen(tmpfile.buf, "a");
- if (! result) {
+ if (!result) {
error("Unable to open local file %s", tmpfile.buf);
ret = HTTP_ERROR;
goto cleanup;
}
- ret = http_request_reauth(url, NULL, result, HTTP_REQUEST_FILE, options);
+ ret = http_request_reauth(url, result, HTTP_REQUEST_FILE, options);
fclose(result);
- if ((ret == HTTP_OK) && move_temp_to_file(tmpfile.buf, filename))
+ if (ret == HTTP_OK && move_temp_to_file(tmpfile.buf, filename))
ret = HTTP_ERROR;
cleanup:
strbuf_release(&tmpfile);
int http_fetch_ref(const char *base, struct ref *ref)
{
+ struct http_get_options options = {0};
char *url;
struct strbuf buffer = STRBUF_INIT;
int ret = -1;
+ options.no_cache = 1;
+
url = quote_ref_url(base, ref->name);
- if (http_get_strbuf(url, NULL, &buffer, HTTP_NO_CACHE) == HTTP_OK) {
+ if (http_get_strbuf(url, &buffer, &options) == HTTP_OK) {
strbuf_rtrim(&buffer);
if (buffer.len == 40)
ret = get_sha1_hex(buffer.buf, ref->old_sha1);
strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(sha1));
tmp = strbuf_detach(&buf, NULL);
- if (http_get_file(url, tmp, 0) != HTTP_OK) {
+ if (http_get_file(url, tmp, NULL) != HTTP_OK) {
error("Unable to get pack index %s", url);
free(tmp);
tmp = NULL;
int http_get_info_packs(const char *base_url, struct packed_git **packs_head)
{
+ struct http_get_options options = {0};
int ret = 0, i = 0;
char *url, *data;
struct strbuf buf = STRBUF_INIT;
strbuf_addstr(&buf, "objects/info/packs");
url = strbuf_detach(&buf, NULL);
- ret = http_get_strbuf(url, NULL, &buf, HTTP_NO_CACHE);
+ options.no_cache = 1;
+ ret = http_get_strbuf(url, &buf, &options);
if (ret != HTTP_OK)
goto cleanup;
#include "exec_cmd.h"
#include "run-command.h"
#include "pkt-line.h"
+#include "string-list.h"
#include "sideband.h"
#include "argv-array.h"
+#include "credential.h"
static struct remote *remote;
-static const char *url; /* always ends with a trailing slash */
+/* always ends with a trailing slash */
+static struct strbuf url = STRBUF_INIT;
struct options {
int verbosity;
unsigned long depth;
unsigned progress : 1,
+ check_self_contained_and_connected : 1,
followtags : 1,
dry_run : 1,
thin : 1;
};
static struct options options;
+static struct string_list cas_options = STRING_LIST_INIT_DUP;
static int set_option(const char *name, const char *value)
{
return -1;
return 0;
}
+ else if (!strcmp(name, "check-connectivity")) {
+ if (!strcmp(value, "true"))
+ options.check_self_contained_and_connected = 1;
+ else if (!strcmp(value, "false"))
+ options.check_self_contained_and_connected = 0;
+ else
+ return -1;
+ return 0;
+ }
+ else if (!strcmp(name, "cas")) {
+ struct strbuf val = STRBUF_INIT;
+ strbuf_addf(&val, "--" CAS_OPT_NAME "=%s", value);
+ string_list_append(&cas_options, val.buf);
+ strbuf_release(&val);
+ return 0;
+ }
else {
return 1 /* unsupported */;
}
mid = &data[i];
if (data[i] == '\n') {
if (mid - start != 40)
- die("%sinfo/refs not valid: is this a git repository?", url);
+ die("%sinfo/refs not valid: is this a git repository?",
+ url.buf);
data[i] = 0;
ref_name = mid + 1;
ref = xmalloc(sizeof(struct ref) +
}
ref = alloc_ref("HEAD");
- if (!http_fetch_ref(url, ref) &&
+ if (!http_fetch_ref(url.buf, ref) &&
!resolve_remote_symref(ref, refs)) {
ref->next = refs;
refs = ref;
struct strbuf exp = STRBUF_INIT;
struct strbuf type = STRBUF_INIT;
struct strbuf buffer = STRBUF_INIT;
+ struct strbuf refs_url = STRBUF_INIT;
+ struct strbuf effective_url = STRBUF_INIT;
struct discovery *last = last_discovery;
- char *refs_url;
int http_ret, maybe_smart = 0;
+ struct http_get_options options;
if (last && !strcmp(service, last->service))
return last;
free_discovery(last);
- strbuf_addf(&buffer, "%sinfo/refs", url);
- if ((!prefixcmp(url, "http://") || !prefixcmp(url, "https://")) &&
+ strbuf_addf(&refs_url, "%sinfo/refs", url.buf);
+ if ((!prefixcmp(url.buf, "http://") || !prefixcmp(url.buf, "https://")) &&
git_env_bool("GIT_SMART_HTTP", 1)) {
maybe_smart = 1;
- if (!strchr(url, '?'))
- strbuf_addch(&buffer, '?');
+ if (!strchr(url.buf, '?'))
+ strbuf_addch(&refs_url, '?');
else
- strbuf_addch(&buffer, '&');
- strbuf_addf(&buffer, "service=%s", service);
+ strbuf_addch(&refs_url, '&');
+ strbuf_addf(&refs_url, "service=%s", service);
}
- refs_url = strbuf_detach(&buffer, NULL);
- http_ret = http_get_strbuf(refs_url, &type, &buffer,
- HTTP_NO_CACHE | HTTP_KEEP_ERROR);
+ memset(&options, 0, sizeof(options));
+ options.content_type = &type;
+ options.effective_url = &effective_url;
+ options.base_url = &url;
+ options.no_cache = 1;
+ options.keep_error = 1;
+
+ http_ret = http_get_strbuf(refs_url.buf, &buffer, &options);
switch (http_ret) {
case HTTP_OK:
break;
case HTTP_MISSING_TARGET:
show_http_message(&type, &buffer);
- die("repository '%s' not found", url);
+ die("repository '%s' not found", url.buf);
case HTTP_NOAUTH:
show_http_message(&type, &buffer);
- die("Authentication failed for '%s'", url);
+ die("Authentication failed for '%s'", url.buf);
default:
show_http_message(&type, &buffer);
- die("unable to access '%s': %s", url, curl_errorstr);
+ die("unable to access '%s': %s", url.buf, curl_errorstr);
}
last= xcalloc(1, sizeof(*last_discovery));
else
last->refs = parse_info_refs(last);
- free(refs_url);
+ strbuf_release(&refs_url);
strbuf_release(&exp);
strbuf_release(&type);
+ strbuf_release(&effective_url);
strbuf_release(&buffer);
last_discovery = last;
return last;
return size;
}
- static int run_slot(struct active_request_slot *slot)
+ static int run_slot(struct active_request_slot *slot,
+ struct slot_results *results)
{
int err;
- struct slot_results results;
+ struct slot_results results_buf;
- slot->results = &results;
+ if (!results)
+ results = &results_buf;
+
+ slot->results = results;
slot->curl_result = curl_easy_perform(slot->curl);
finish_active_slot(slot);
- err = handle_curl_result(&results);
+ err = handle_curl_result(results);
if (err != HTTP_OK && err != HTTP_REAUTH) {
error("RPC failed; result=%d, HTTP code = %ld",
- results.curl_result, results.http_code);
+ results->curl_result, results->http_code);
}
return err;
}
- static int probe_rpc(struct rpc_state *rpc)
+ static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
{
struct active_request_slot *slot;
struct curl_slist *headers = NULL;
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf);
- err = run_slot(slot);
+ err = run_slot(slot, results);
curl_slist_free_all(headers);
strbuf_release(&buf);
char *gzip_body = NULL;
size_t gzip_size = 0;
int err, large_request = 0;
+ int needs_100_continue = 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
}
if (large_request) {
+ struct slot_results results;
+
do {
- err = probe_rpc(rpc);
+ err = probe_rpc(rpc, &results);
+ if (err == HTTP_REAUTH)
+ credential_fill(&http_auth);
} while (err == HTTP_REAUTH);
if (err != HTTP_OK)
return -1;
+
+ if (results.auth_avail & CURLAUTH_GSSNEGOTIATE)
+ needs_100_continue = 1;
}
headers = curl_slist_append(headers, rpc->hdr_content_type);
headers = curl_slist_append(headers, rpc->hdr_accept);
- headers = curl_slist_append(headers, "Expect:");
+ headers = curl_slist_append(headers, needs_100_continue ?
+ "Expect: 100-continue" : "Expect:");
retry:
slot = get_active_slot();
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);
- err = run_slot(slot);
+ err = run_slot(slot, NULL);
- if (err == HTTP_REAUTH && !large_request)
+ if (err == HTTP_REAUTH && !large_request) {
+ credential_fill(&http_auth);
goto retry;
+ }
if (err != HTTP_OK)
err = -1;
rpc->out = client.out;
strbuf_init(&rpc->result, 0);
- strbuf_addf(&buf, "%s%s", url, svc);
+ strbuf_addf(&buf, "%s%s", url.buf, svc);
rpc->service_url = strbuf_detach(&buf, NULL);
strbuf_addf(&buf, "Content-Type: application/x-%s-request", svc);
for (i = 0; i < nr_heads; i++)
targets[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1));
- walker = get_http_walker(url);
+ walker = get_http_walker(url.buf);
walker->get_all = 1;
walker->get_tree = 1;
walker->get_history = 1;
struct strbuf preamble = STRBUF_INIT;
char *depth_arg = NULL;
int argc = 0, i, err;
- const char *argv[15];
+ const char *argv[16];
argv[argc++] = "fetch-pack";
argv[argc++] = "--stateless-rpc";
argv[argc++] = "-v";
argv[argc++] = "-v";
}
+ if (options.check_self_contained_and_connected)
+ argv[argc++] = "--check-self-contained-and-connected";
if (!options.progress)
argv[argc++] = "--no-progress";
if (options.depth) {
depth_arg = strbuf_detach(&buf, NULL);
argv[argc++] = depth_arg;
}
- argv[argc++] = url;
+ argv[argc++] = url.buf;
argv[argc++] = NULL;
for (i = 0; i < nr_heads; i++) {
argv[argc++] = "--dry-run";
if (options.verbosity > 1)
argv[argc++] = "--verbose";
- argv[argc++] = url;
+ argv[argc++] = url.buf;
for (i = 0; i < nr_spec; i++)
argv[argc++] = specs[i];
argv[argc++] = NULL;
struct rpc_state rpc;
int i, err;
struct argv_array args;
+ struct string_list_item *cas_option;
argv_array_init(&args);
argv_array_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status",
else if (options.verbosity > 1)
argv_array_push(&args, "--verbose");
argv_array_push(&args, options.progress ? "--progress" : "--no-progress");
- argv_array_push(&args, url);
+ for_each_string_list_item(cas_option, &cas_options)
+ argv_array_push(&args, cas_option->string);
+ argv_array_push(&args, url.buf);
for (i = 0; i < nr_spec; i++)
argv_array_push(&args, specs[i]);
remote = remote_get(argv[1]);
if (argc > 2) {
- end_url_with_slash(&buf, argv[2]);
+ end_url_with_slash(&url, argv[2]);
} else {
- end_url_with_slash(&buf, remote->url[0]);
+ end_url_with_slash(&url, remote->url[0]);
}
- url = strbuf_detach(&buf, NULL);
-
- http_init(remote, url, 0);
+ http_init(remote, url.buf, 0);
do {
if (strbuf_getline(&buf, stdin, '\n') == EOF) {
printf("fetch\n");
printf("option\n");
printf("push\n");
+ printf("check-connectivity\n");
printf("\n");
fflush(stdout);
} else {