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index deab59551dad9a0d2c2e86d75071fa561e4cbf1a..5a1047345997cf35c40cfff5420f5519958257c3 100644 (file)
--- a/http.c
+++ b/http.c
#include "http.h"
#include "pack.h"
#include "sideband.h"
+#include "run-command.h"
+#include "url.h"
-int data_received;
int active_requests;
int http_is_verbose;
size_t http_post_buffer = 16 * LARGE_PACKET_MAX;
static long curl_low_speed_time = -1;
static int curl_ftp_no_epsv;
static const char *curl_http_proxy;
-static char *user_name, *user_pass;
+static const char *curl_cookie_file;
+static char *user_name, *user_pass, *description;
+static int http_proactive_auth;
+static const char *user_agent;
#if LIBCURL_VERSION_NUM >= 0x071700
/* Use CURLOPT_KEYPASSWD as is */
static struct active_request_slot *active_queue_head;
-size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *buffer_)
+size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
{
size_t size = eltsize * nmemb;
struct buffer *buffer = buffer_;
}
#endif
-size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *buffer_)
+size_t fwrite_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
{
size_t size = eltsize * nmemb;
struct strbuf *buffer = buffer_;
strbuf_add(buffer, ptr, size);
- data_received++;
return size;
}
-size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf)
+size_t fwrite_null(char *ptr, size_t eltsize, size_t nmemb, void *strbuf)
{
- data_received++;
return eltsize * nmemb;
}
}
#endif
+static char *git_getpass_with_description(const char *what, const char *desc)
+{
+ struct strbuf prompt = STRBUF_INIT;
+ char *r;
+
+ if (desc)
+ strbuf_addf(&prompt, "%s for '%s': ", what, desc);
+ else
+ strbuf_addf(&prompt, "%s: ", what);
+ /*
+ * NEEDSWORK: for usernames, we should do something less magical that
+ * actually echoes the characters. However, we need to read from
+ * /dev/tty and not stdio, which is not portable (but getpass will do
+ * it for us). http.c uses the same workaround.
+ */
+ r = git_getpass(prompt.buf);
+
+ strbuf_release(&prompt);
+ return xstrdup(r);
+}
+
static int http_options(const char *var, const char *value, void *cb)
{
if (!strcmp("http.sslverify", var)) {
if (!strcmp("http.proxy", var))
return git_config_string(&curl_http_proxy, var, value);
+ if (!strcmp("http.cookiefile", var))
+ return git_config_string(&curl_cookie_file, var, value);
+
if (!strcmp("http.postbuffer", var)) {
http_post_buffer = git_config_int(var, value);
if (http_post_buffer < LARGE_PACKET_MAX)
return 0;
}
+ if (!strcmp("http.useragent", var))
+ return git_config_string(&user_agent, var, value);
+
/* Fall back on the default ones */
return git_default_config(var, value, cb);
}
if (user_name) {
struct strbuf up = STRBUF_INIT;
if (!user_pass)
- user_pass = xstrdup(getpass("Password: "));
+ user_pass = xstrdup(git_getpass_with_description("Password", description));
strbuf_addf(&up, "%s:%s", user_name, user_pass);
curl_easy_setopt(result, CURLOPT_USERPWD,
strbuf_detach(&up, NULL));
return 0;
/* Only prompt the user once. */
ssl_cert_password_required = -1;
- ssl_cert_password = getpass("Certificate Password: ");
+ ssl_cert_password = git_getpass_with_description("Certificate Password", description);
if (ssl_cert_password != NULL) {
ssl_cert_password = xstrdup(ssl_cert_password);
return 1;
curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
#endif
- init_curl_http_auth(result);
+ if (http_proactive_auth)
+ init_curl_http_auth(result);
if (ssl_cert != NULL)
curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
}
curl_easy_setopt(result, CURLOPT_FOLLOWLOCATION, 1);
+#if LIBCURL_VERSION_NUM >= 0x071301
+ curl_easy_setopt(result, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
+#elif LIBCURL_VERSION_NUM >= 0x071101
+ curl_easy_setopt(result, CURLOPT_POST301, 1);
+#endif
if (getenv("GIT_CURL_VERBOSE"))
curl_easy_setopt(result, CURLOPT_VERBOSE, 1);
- curl_easy_setopt(result, CURLOPT_USERAGENT, GIT_USER_AGENT);
+ curl_easy_setopt(result, CURLOPT_USERAGENT,
+ user_agent ? user_agent : GIT_HTTP_USER_AGENT);
if (curl_ftp_no_epsv)
curl_easy_setopt(result, CURLOPT_FTP_USE_EPSV, 0);
static void http_auth_init(const char *url)
{
- char *at, *colon, *cp, *slash;
- int len;
+ const char *at, *colon, *cp, *slash, *host;
cp = strstr(url, "://");
if (!cp)
at = strchr(cp, '@');
colon = strchr(cp, ':');
slash = strchrnul(cp, '/');
- if (!at || slash <= at)
- return; /* No credentials */
- if (!colon || at <= colon) {
+ if (!at || slash <= at) {
+ /* No credentials, but we may have to ask for some later */
+ host = cp;
+ }
+ else if (!colon || at <= colon) {
/* Only username */
- len = at - cp;
- user_name = xmalloc(len + 1);
- memcpy(user_name, cp, len);
- user_name[len] = '\0';
+ user_name = url_decode_mem(cp, at - cp);
user_pass = NULL;
+ host = at + 1;
} else {
- len = colon - cp;
- user_name = xmalloc(len + 1);
- memcpy(user_name, cp, len);
- user_name[len] = '\0';
- len = at - (colon + 1);
- user_pass = xmalloc(len + 1);
- memcpy(user_pass, colon + 1, len);
- user_pass[len] = '\0';
+ user_name = url_decode_mem(cp, colon - cp);
+ user_pass = url_decode_mem(colon + 1, at - (colon + 1));
+ host = at + 1;
}
+
+ description = url_decode_mem(host, slash - host);
}
static void set_from_env(const char **var, const char *envname)
*var = val;
}
-void http_init(struct remote *remote)
+void http_init(struct remote *remote, const char *url, int proactive_auth)
{
char *low_speed_limit;
char *low_speed_time;
curl_global_init(CURL_GLOBAL_ALL);
+ http_proactive_auth = proactive_auth;
+
if (remote && remote->http_proxy)
curl_http_proxy = xstrdup(remote->http_proxy);
#endif
set_from_env(&ssl_cainfo, "GIT_SSL_CAINFO");
+ set_from_env(&user_agent, "GIT_HTTP_USER_AGENT");
+
low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT");
if (low_speed_limit != NULL)
curl_low_speed_limit = strtol(low_speed_limit, NULL, 10);
if (getenv("GIT_CURL_FTP_NO_EPSV"))
curl_ftp_no_epsv = 1;
- if (remote && remote->url && remote->url[0]) {
- http_auth_init(remote->url[0]);
+ if (url) {
+ http_auth_init(url);
if (!ssl_cert_password_required &&
getenv("GIT_SSL_CERT_PASSWORD_PROTECTED") &&
- !prefixcmp(remote->url[0], "https://"))
+ !prefixcmp(url, "https://"))
ssl_cert_password_required = 1;
}
active_requests++;
slot->in_use = 1;
- slot->local = NULL;
slot->results = NULL;
slot->finished = NULL;
slot->callback_data = NULL;
slot->callback_func = NULL;
+ curl_easy_setopt(slot->curl, CURLOPT_COOKIEFILE, 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);
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, NULL);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, NULL);
+ curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, NULL);
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 0);
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
void run_active_slot(struct active_request_slot *slot)
{
#ifdef USE_CURL_MULTI
- long last_pos = 0;
- long current_pos;
fd_set readfds;
fd_set writefds;
fd_set excfds;
slot->finished = &finished;
while (!finished) {
- data_received = 0;
step_active_slots();
- if (!data_received && slot->local != NULL) {
- current_pos = ftell(slot->local);
- if (current_pos > last_pos)
- data_received++;
- last_pos = current_pos;
- }
+ if (slot->in_use) {
+#if LIBCURL_VERSION_NUM >= 0x070f04
+ long curl_timeout;
+ curl_multi_timeout(curlm, &curl_timeout);
+ if (curl_timeout == 0) {
+ continue;
+ } else if (curl_timeout == -1) {
+ select_timeout.tv_sec = 0;
+ select_timeout.tv_usec = 50000;
+ } else {
+ select_timeout.tv_sec = curl_timeout / 1000;
+ select_timeout.tv_usec = (curl_timeout % 1000) * 1000;
+ }
+#else
+ select_timeout.tv_sec = 0;
+ select_timeout.tv_usec = 50000;
+#endif
- if (slot->in_use && !data_received) {
- max_fd = 0;
+ max_fd = -1;
FD_ZERO(&readfds);
FD_ZERO(&writefds);
FD_ZERO(&excfds);
- select_timeout.tv_sec = 0;
- select_timeout.tv_usec = 50000;
- select(max_fd, &readfds, &writefds,
- &excfds, &select_timeout);
+ curl_multi_fdset(curlm, &readfds, &writefds, &excfds, &max_fd);
+
+ select(max_fd+1, &readfds, &writefds, &excfds, &select_timeout);
}
}
#else
return 1;
}
-static inline int hex(int v)
-{
- if (v < 10)
- return '0' + v;
- else
- return 'A' + v - 10;
-}
-
-static void end_url_with_slash(struct strbuf *buf, const char *url)
-{
- strbuf_addstr(buf, url);
- if (buf->len && buf->buf[buf->len - 1] != '/')
- strbuf_addstr(buf, "/");
-}
-
static char *quote_ref_url(const char *base, const char *ref)
{
struct strbuf buf = STRBUF_INIT;
headers = curl_slist_append(headers, buf.buf);
strbuf_reset(&buf);
}
- slot->local = result;
} else
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION,
fwrite_buffer);
@@ -815,23 +842,51 @@ static int http_request(const char *url, void *result, int target, int options)
ret = HTTP_OK;
else if (missing_target(&results))
ret = HTTP_MISSING_TARGET;
- else
+ else if (results.http_code == 401) {
+ if (user_name && user_pass) {
+ ret = HTTP_NOAUTH;
+ } else {
+ /*
+ * git_getpass is needed here because its very likely stdin/stdout are
+ * pipes to our parent process. So we instead need to use /dev/tty,
+ * but that is non-portable. Using git_getpass() can at least be stubbed
+ * on other platforms with a different implementation if/when necessary.
+ */
+ if (!user_name)
+ user_name = xstrdup(git_getpass_with_description("Username", description));
+ init_curl_http_auth(slot->curl);
+ ret = HTTP_REAUTH;
+ }
+ } else {
+ if (!curl_errorstr[0])
+ strlcpy(curl_errorstr,
+ curl_easy_strerror(results.curl_result),
+ sizeof(curl_errorstr));
ret = HTTP_ERROR;
+ }
} else {
error("Unable to start HTTP request for %s", url);
ret = HTTP_START_FAILED;
}
- slot->local = NULL;
curl_slist_free_all(headers);
strbuf_release(&buf);
return ret;
}
+static int http_request_reauth(const char *url, void *result, int target,
+ int options)
+{
+ int ret = http_request(url, result, target, options);
+ if (ret != HTTP_REAUTH)
+ return ret;
+ return http_request(url, result, target, options);
+}
+
int http_get_strbuf(const char *url, struct strbuf *result, int options)
{
- return http_request(url, result, HTTP_REQUEST_STRBUF, options);
+ return http_request_reauth(url, result, HTTP_REQUEST_STRBUF, options);
}
/*
goto cleanup;
}
- ret = http_request(url, 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))
{
/* http_request has already handled HTTP_START_FAILED. */
if (ret != HTTP_START_FAILED)
- error("%s while accessing %s\n", curl_errorstr, url);
+ error("%s while accessing %s", curl_errorstr, url);
return ret;
}
}
/* Helpers for fetching packs */
-static int fetch_pack_index(unsigned char *sha1, const char *base_url)
+static char *fetch_pack_index(unsigned char *sha1, const char *base_url)
{
- int ret = 0;
- char *hex = xstrdup(sha1_to_hex(sha1));
- char *filename;
- char *url = NULL;
+ char *url, *tmp;
struct strbuf buf = STRBUF_INIT;
- if (has_pack_index(sha1)) {
- ret = 0;
- goto cleanup;
- }
-
if (http_is_verbose)
- fprintf(stderr, "Getting index for pack %s\n", hex);
+ fprintf(stderr, "Getting index for pack %s\n", sha1_to_hex(sha1));
end_url_with_slash(&buf, base_url);
- strbuf_addf(&buf, "objects/pack/pack-%s.idx", hex);
+ strbuf_addf(&buf, "objects/pack/pack-%s.idx", sha1_to_hex(sha1));
url = strbuf_detach(&buf, NULL);
- filename = sha1_pack_index_name(sha1);
- if (http_get_file(url, filename, 0) != HTTP_OK)
- ret = error("Unable to get pack index %s\n", url);
+ strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(sha1));
+ tmp = strbuf_detach(&buf, NULL);
+
+ if (http_get_file(url, tmp, 0) != HTTP_OK) {
+ error("Unable to get pack index %s\n", url);
+ free(tmp);
+ tmp = NULL;
+ }
-cleanup:
- free(hex);
free(url);
- return ret;
+ return tmp;
}
static int fetch_and_setup_pack_index(struct packed_git **packs_head,
unsigned char *sha1, const char *base_url)
{
struct packed_git *new_pack;
+ char *tmp_idx = NULL;
+ int ret;
+
+ if (has_pack_index(sha1)) {
+ new_pack = parse_pack_index(sha1, NULL);
+ if (!new_pack)
+ return -1; /* parse_pack_index() already issued error message */
+ goto add_pack;
+ }
- if (fetch_pack_index(sha1, base_url))
+ tmp_idx = fetch_pack_index(sha1, base_url);
+ if (!tmp_idx)
return -1;
- new_pack = parse_pack_index(sha1);
- if (!new_pack)
+ new_pack = parse_pack_index(sha1, tmp_idx);
+ if (!new_pack) {
+ unlink(tmp_idx);
+ free(tmp_idx);
+
return -1; /* parse_pack_index() already issued error message */
+ }
+
+ ret = verify_pack_index(new_pack);
+ if (!ret) {
+ close_pack_index(new_pack);
+ ret = move_temp_to_file(tmp_idx, sha1_pack_index_name(sha1));
+ }
+ free(tmp_idx);
+ if (ret)
+ return -1;
+
+add_pack:
new_pack->next = *packs_head;
*packs_head = new_pack;
return 0;
if (preq->packfile != NULL) {
fclose(preq->packfile);
preq->packfile = NULL;
- preq->slot->local = NULL;
}
if (preq->range_header != NULL) {
curl_slist_free_all(preq->range_header);
int finish_http_pack_request(struct http_pack_request *preq)
{
- int ret;
struct packed_git **lst;
+ struct packed_git *p = preq->target;
+ char *tmp_idx;
+ struct child_process ip;
+ const char *ip_argv[8];
- preq->target->pack_size = ftell(preq->packfile);
-
- if (preq->packfile != NULL) {
- fclose(preq->packfile);
- preq->packfile = NULL;
- preq->slot->local = NULL;
- }
+ close_pack_index(p);
- ret = move_temp_to_file(preq->tmpfile, preq->filename);
- if (ret)
- return ret;
+ fclose(preq->packfile);
+ preq->packfile = NULL;
lst = preq->lst;
- while (*lst != preq->target)
+ while (*lst != p)
lst = &((*lst)->next);
*lst = (*lst)->next;
- if (verify_pack(preq->target))
+ tmp_idx = xstrdup(preq->tmpfile);
+ strcpy(tmp_idx + strlen(tmp_idx) - strlen(".pack.temp"),
+ ".idx.temp");
+
+ ip_argv[0] = "index-pack";
+ ip_argv[1] = "-o";
+ ip_argv[2] = tmp_idx;
+ ip_argv[3] = preq->tmpfile;
+ ip_argv[4] = NULL;
+
+ memset(&ip, 0, sizeof(ip));
+ ip.argv = ip_argv;
+ ip.git_cmd = 1;
+ ip.no_stdin = 1;
+ ip.no_stdout = 1;
+
+ if (run_command(&ip)) {
+ unlink(preq->tmpfile);
+ unlink(tmp_idx);
+ free(tmp_idx);
return -1;
- install_packed_git(preq->target);
+ }
+ unlink(sha1_pack_index_name(p->sha1));
+
+ if (move_temp_to_file(preq->tmpfile, sha1_pack_name(p->sha1))
+ || move_temp_to_file(tmp_idx, sha1_pack_index_name(p->sha1))) {
+ free(tmp_idx);
+ return -1;
+ }
+
+ install_packed_git(p);
+ free(tmp_idx);
return 0;
}
struct http_pack_request *new_http_pack_request(
struct packed_git *target, const char *base_url)
{
- char *filename;
long prev_posn = 0;
char range[RANGE_HEADER_SIZE];
struct strbuf buf = STRBUF_INIT;
struct http_pack_request *preq;
- preq = xmalloc(sizeof(*preq));
+ preq = xcalloc(1, sizeof(*preq));
preq->target = target;
- preq->range_header = NULL;
end_url_with_slash(&buf, base_url);
strbuf_addf(&buf, "objects/pack/pack-%s.pack",
sha1_to_hex(target->sha1));
preq->url = strbuf_detach(&buf, NULL);
- filename = sha1_pack_name(target->sha1);
- snprintf(preq->filename, sizeof(preq->filename), "%s", filename);
- snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp", filename);
+ snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp",
+ sha1_pack_name(target->sha1));
preq->packfile = fopen(preq->tmpfile, "a");
if (!preq->packfile) {
error("Unable to open local file %s for pack",
}
preq->slot = get_active_slot();
- preq->slot->local = preq->packfile;
curl_easy_setopt(preq->slot->curl, CURLOPT_FILE, preq->packfile);
curl_easy_setopt(preq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
curl_easy_setopt(preq->slot->curl, CURLOPT_URL, preq->url);
return preq;
abort:
- free(filename);
free(preq->url);
free(preq);
return NULL;
}
/* Helpers for fetching objects (loose) */
-static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb,
+static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb,
void *data)
{
unsigned char expn[4096];
} while (posn < size);
freq->stream.avail_in = size;
- freq->stream.next_in = ptr;
+ freq->stream.next_in = (void *)ptr;
do {
freq->stream.next_out = expn;
freq->stream.avail_out = sizeof(expn);
git_SHA1_Update(&freq->c, expn,
sizeof(expn) - freq->stream.avail_out);
} while (freq->stream.avail_in && freq->zret == Z_OK);
- data_received++;
return size;
}
char *filename;
char prevfile[PATH_MAX];
int prevlocal;
- unsigned char prev_buf[PREV_BUF_SIZE];
+ char prev_buf[PREV_BUF_SIZE];
ssize_t prev_read = 0;
long prev_posn = 0;
char range[RANGE_HEADER_SIZE];
struct curl_slist *range_header = NULL;
struct http_object_request *freq;
- freq = xmalloc(sizeof(*freq));
+ freq = xcalloc(1, sizeof(*freq));
hashcpy(freq->sha1, sha1);
freq->localfile = -1;
filename = sha1_file_name(sha1);
- snprintf(freq->filename, sizeof(freq->filename), "%s", filename);
snprintf(freq->tmpfile, sizeof(freq->tmpfile),
"%s.temp", filename);
}
if (freq->localfile < 0) {
- error("Couldn't create temporary file %s for %s: %s",
- freq->tmpfile, freq->filename, strerror(errno));
+ error("Couldn't create temporary file %s: %s",
+ freq->tmpfile, strerror(errno));
goto abort;
}
- memset(&freq->stream, 0, sizeof(freq->stream));
-
git_inflate_init(&freq->stream);
git_SHA1_Init(&freq->c);
prev_posn = 0;
lseek(freq->localfile, 0, SEEK_SET);
if (ftruncate(freq->localfile, 0) < 0) {
- error("Couldn't truncate temporary file %s for %s: %s",
- freq->tmpfile, freq->filename, strerror(errno));
+ error("Couldn't truncate temporary file %s: %s",
+ freq->tmpfile, strerror(errno));
goto abort;
}
}
return freq;
abort:
- free(filename);
free(freq->url);
free(freq);
return NULL;
return -1;
}
freq->rename =
- move_temp_to_file(freq->tmpfile, freq->filename);
+ move_temp_to_file(freq->tmpfile, sha1_file_name(freq->sha1));
return freq->rename;
}