strbuf_release(&buffer);
}
-static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1)
+static int verify_merge_base(unsigned char *head_sha1, struct ref *remote)
{
- struct commit *head = lookup_commit(head_sha1);
- struct commit *branch = lookup_commit(branch_sha1);
+ struct commit *head = lookup_commit_or_die(head_sha1, "HEAD");
+ struct commit *branch = lookup_commit_or_die(remote->old_sha1, remote->name);
struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
return (merge_bases && !merge_bases->next && merge_bases->item == branch);
return error("Remote HEAD is not a symref");
/* Remote branch must not be the remote HEAD */
- for (i=0; symref && i<MAXDEPTH; i++) {
+ for (i = 0; symref && i < MAXDEPTH; i++) {
if (!strcmp(remote_ref->name, symref))
return error("Remote branch %s is the current HEAD",
remote_ref->name);
return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, sha1_to_hex(remote_ref->old_sha1));
/* Remote branch must be an ancestor of remote HEAD */
- if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) {
+ if (!verify_merge_base(head_sha1, remote_ref)) {
return error("The branch '%s' is not an ancestor "
"of your current HEAD.\n"
"If you are sure you want to delete it,"
int i;
int new_refs;
struct ref *ref, *local_refs;
- struct remote *remote;
git_extract_argv0_path(argv[0]);
memset(remote_dir_exists, -1, 256);
- /*
- * Create a minimum remote by hand to give to http_init(),
- * primarily to allow it to look at the URL.
- */
- remote = xcalloc(sizeof(*remote), 1);
- ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
- remote->url[remote->url_nr++] = repo->url;
- http_init(remote);
+ http_init(NULL, repo->url);
#ifdef USE_CURL_MULTI
is_running_queue = 0;
static int curl_ftp_no_epsv;
static const char *curl_http_proxy;
static const char *curl_cookie_file;
- static char *user_name, *user_pass;
+ static char *user_name, *user_pass, *description;
static const char *user_agent;
#if LIBCURL_VERSION_NUM >= 0x071700
}
#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 (user_name) {
struct strbuf up = STRBUF_INIT;
if (!user_pass)
- user_pass = xstrdup(git_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 = git_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;
static void http_auth_init(const char *url)
{
- char *at, *colon, *cp, *slash, *decoded;
- 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';
- decoded = url_decode(user_name);
- free(user_name);
- user_name = decoded;
+ 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';
- decoded = url_decode(user_name);
- free(user_name);
- user_name = decoded;
- len = at - (colon + 1);
- user_pass = xmalloc(len + 1);
- memcpy(user_pass, colon + 1, len);
- user_pass[len] = '\0';
- decoded = url_decode(user_pass);
- free(user_pass);
- user_pass = decoded;
+ 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)
{
char *low_speed_limit;
char *low_speed_time;
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;
}
* but that is non-portable. Using git_getpass() can at least be stubbed
* on other platforms with a different implementation if/when necessary.
*/
- user_name = xstrdup(git_getpass("Username: "));
+ user_name = xstrdup(git_getpass_with_description("Username", description));
init_curl_http_auth(slot->curl);
ret = HTTP_REAUTH;
}
- } else
+ } 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;
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)
{
- int http_ret = http_request(url, result, HTTP_REQUEST_STRBUF, options);
- if (http_ret == HTTP_REAUTH) {
- http_ret = http_request(url, result, HTTP_REQUEST_STRBUF, options);
- }
- return http_ret;
+ 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;
}
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",
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;
goto abort;
}
- memset(&freq->stream, 0, sizeof(freq->stream));
-
git_inflate_init(&freq->stream);
git_SHA1_Init(&freq->c);
return freq;
abort:
- free(filename);
free(freq->url);
free(freq);
return NULL;
int is_url(const char *url)
{
- const char *url2, *first_slash;
-
- if (!url)
- return 0;
- url2 = url;
- first_slash = strchr(url, '/');
-
- /* Input with no slash at all or slash first can't be URL. */
- if (!first_slash || first_slash == url)
- return 0;
- /* Character before must be : and next must be /. */
- if (first_slash[-1] != ':' || first_slash[1] != '/')
+ /* Is "scheme" part reasonable? */
+ if (!url || !is_urlschemechar(1, *url++))
return 0;
- /* There must be something before the :// */
- if (first_slash == url + 1)
- return 0;
- /*
- * Check all characters up to first slash - 1. Only alphanum
- * is allowed.
- */
- url2 = url;
- while (url2 < first_slash - 1) {
- if (!is_urlschemechar(url2 == url, (unsigned char)*url2))
+ while (*url && *url != ':') {
+ if (!is_urlschemechar(0, *url++))
return 0;
- url2++;
}
-
- /* Valid enough. */
- return 1;
+ /* We've seen "scheme"; we want colon-slash-slash */
+ return (url[0] == ':' && url[1] == '/' && url[2] == '/');
}
static int url_decode_char(const char *q)
return val;
}
- static char *url_decode_internal(const char **query, const char *stop_at,
- struct strbuf *out, int decode_plus)
+ static char *url_decode_internal(const char **query, int len,
+ const char *stop_at, struct strbuf *out,
+ int decode_plus)
{
const char *q = *query;
- do {
+ while (len) {
unsigned char c = *q;
if (!c)
break;
if (stop_at && strchr(stop_at, c)) {
q++;
+ len--;
break;
}
if (0 <= val) {
strbuf_addch(out, val);
q += 3;
+ len -= 3;
continue;
}
}
else
strbuf_addch(out, c);
q++;
- } while (1);
+ len--;
+ }
*query = q;
return strbuf_detach(out, NULL);
}
char *url_decode(const char *url)
+ {
+ return url_decode_mem(url, strlen(url));
+ }
+
+ char *url_decode_mem(const char *url, int len)
{
struct strbuf out = STRBUF_INIT;
- const char *colon = strchr(url, ':');
+ const char *colon = memchr(url, ':', len);
/* Skip protocol part if present */
if (colon && url < colon) {
strbuf_add(&out, url, colon - url);
+ len -= colon - url;
url = colon;
}
- return url_decode_internal(&url, NULL, &out, 0);
+ return url_decode_internal(&url, len, NULL, &out, 0);
}
char *url_decode_parameter_name(const char **query)
{
struct strbuf out = STRBUF_INIT;
- return url_decode_internal(query, "&=", &out, 1);
+ return url_decode_internal(query, -1, "&=", &out, 1);
}
char *url_decode_parameter_value(const char **query)
{
struct strbuf out = STRBUF_INIT;
- return url_decode_internal(query, "&", &out, 1);
+ return url_decode_internal(query, -1, "&", &out, 1);
}
void end_url_with_slash(struct strbuf *buf, const char *url)