Add support for "import" helper command

diff --git a/http.c b/http.c
index 95b2137cfbb1eef355c392e7634e1c761de27379..23b2a1932c7daebd585827da7effd1c5bbae5e69 100644 (file)
--- a/http.c
+++ b/http.c
@@ -20,7 +20,7 @@ char curl_errorstr[CURL_ERROR_SIZE];
 
 static int curl_ssl_verify = -1;
 static const char *ssl_cert;
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
 static const char *ssl_key;
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908
@@ -33,6 +33,17 @@ static int curl_ftp_no_epsv;
 static const char *curl_http_proxy;
 static char *user_name, *user_pass;
 
+#if LIBCURL_VERSION_NUM >= 0x071700
+/* Use CURLOPT_KEYPASSWD as is */
+#elif LIBCURL_VERSION_NUM >= 0x070903
+#define CURLOPT_KEYPASSWD CURLOPT_SSLKEYPASSWD
+#else
+#define CURLOPT_KEYPASSWD CURLOPT_SSLCERTPASSWD
+#endif
+
+static char *ssl_cert_password;
+static int ssl_cert_password_required;
+
 static struct curl_slist *pragma_header;
 static struct curl_slist *no_pragma_header;
 
@@ -126,7 +137,7 @@ static int http_options(const char *var, const char *value, void *cb)
        }
        if (!strcmp("http.sslcert", var))
                return git_config_string(&ssl_cert, var, value);
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
        if (!strcmp("http.sslkey", var))
                return git_config_string(&ssl_key, var, value);
 #endif
@@ -136,6 +147,11 @@ static int http_options(const char *var, const char *value, void *cb)
 #endif
        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;
+               return 0;
+       }
 #ifdef USE_CURL_MULTI
        if (!strcmp("http.maxrequests", var)) {
                max_requests = git_config_int(var, value);
@@ -174,6 +190,22 @@ static void init_curl_http_auth(CURL *result)
        }
 }
 
+static int has_cert_password(void)
+{
+       if (ssl_cert_password != NULL)
+               return 1;
+       if (ssl_cert == NULL || ssl_cert_password_required != 1)
+               return 0;
+       /* Only prompt the user once. */
+       ssl_cert_password_required = -1;
+       ssl_cert_password = getpass("Certificate Password: ");
+       if (ssl_cert_password != NULL) {
+               ssl_cert_password = xstrdup(ssl_cert_password);
+               return 1;
+       } else
+               return 0;
+}
+
 static CURL *get_curl_handle(void)
 {
        CURL *result = curl_easy_init();
@@ -196,7 +228,9 @@ static CURL *get_curl_handle(void)
 
        if (ssl_cert != NULL)
                curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
-#if LIBCURL_VERSION_NUM >= 0x070902
+       if (has_cert_password())
+               curl_easy_setopt(result, CURLOPT_KEYPASSWD, ssl_cert_password);
+#if LIBCURL_VERSION_NUM >= 0x070903
        if (ssl_key != NULL)
                curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key);
 #endif
@@ -313,7 +347,7 @@ void http_init(struct remote *remote)
                curl_ssl_verify = 0;
 
        set_from_env(&ssl_cert, "GIT_SSL_CERT");
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
        set_from_env(&ssl_key, "GIT_SSL_KEY");
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908
@@ -339,8 +373,13 @@ void http_init(struct remote *remote)
        if (getenv("GIT_CURL_FTP_NO_EPSV"))
                curl_ftp_no_epsv = 1;
 
-       if (remote && remote->url && remote->url[0])
+       if (remote && remote->url && remote->url[0]) {
                http_auth_init(remote->url[0]);
+               if (!ssl_cert_password_required &&
+                   getenv("GIT_SSL_CERT_PASSWORD_PROTECTED") &&
+                   !prefixcmp(remote->url[0], "https://"))
+                       ssl_cert_password_required = 1;
+       }
 
 #ifndef NO_CURL_EASY_DUPHANDLE
        curl_default = get_curl_handle();
@@ -383,6 +422,13 @@ void http_cleanup(void)
                free((void *)curl_http_proxy);
                curl_http_proxy = NULL;
        }
+
+       if (ssl_cert_password != NULL) {
+               memset(ssl_cert_password, 0, strlen(ssl_cert_password));
+               free(ssl_cert_password);
+               ssl_cert_password = NULL;
+       }
+       ssl_cert_password_required = 0;
 }
 
 struct active_request_slot *get_active_slot(void)
@@ -673,7 +719,9 @@ void append_remote_object_url(struct strbuf *buf, const char *url,
                              const char *hex,
                              int only_two_digit_prefix)
 {
-       strbuf_addf(buf, "%s/objects/%.*s/", url, 2, hex);
+       end_url_with_slash(buf, url);
+
+       strbuf_addf(buf, "objects/%.*s/", 2, hex);
        if (!only_two_digit_prefix)
                strbuf_addf(buf, "%s", hex+2);
 }
@@ -818,20 +866,9 @@ static int fetch_pack_index(unsigned char *sha1, const char *base_url)
        int ret = 0;
        char *hex = xstrdup(sha1_to_hex(sha1));
        char *filename;
-       char *url;
+       char *url = NULL;
        struct strbuf buf = STRBUF_INIT;
 
-       /* Don't use the index if the pack isn't there */
-       end_url_with_slash(&buf, base_url);
-       strbuf_addf(&buf, "objects/pack/pack-%s.pack", hex);
-       url = strbuf_detach(&buf, 0);
-
-       if (http_get_strbuf(url, NULL, 0)) {
-               ret = error("Unable to verify pack %s is available",
-                           hex);
-               goto cleanup;
-       }
-
        if (has_pack_index(sha1)) {
                ret = 0;
                goto cleanup;
@@ -958,7 +995,6 @@ int finish_http_pack_request(struct http_pack_request *preq)
 struct http_pack_request *new_http_pack_request(
        struct packed_git *target, const char *base_url)
 {
-       char *url;
        char *filename;
        long prev_posn = 0;
        char range[RANGE_HEADER_SIZE];
@@ -972,8 +1008,7 @@ struct http_pack_request *new_http_pack_request(
        end_url_with_slash(&buf, base_url);
        strbuf_addf(&buf, "objects/pack/pack-%s.pack",
                sha1_to_hex(target->sha1));
-       url = strbuf_detach(&buf, NULL);
-       preq->url = xstrdup(url);
+       preq->url = strbuf_detach(&buf, NULL);
 
        filename = sha1_pack_name(target->sha1);
        snprintf(preq->filename, sizeof(preq->filename), "%s", filename);
@@ -989,7 +1024,7 @@ struct http_pack_request *new_http_pack_request(
        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, url);
+       curl_easy_setopt(preq->slot->curl, CURLOPT_URL, preq->url);
        curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER,
                no_pragma_header);
 
@@ -1013,6 +1048,8 @@ struct http_pack_request *new_http_pack_request(
 
 abort:
        free(filename);
+       free(preq->url);
+       free(preq);
        return NULL;
 }
 
@@ -1052,7 +1089,6 @@ struct http_object_request *new_http_object_request(const char *base_url,
        char *hex = sha1_to_hex(sha1);
        char *filename;
        char prevfile[PATH_MAX];
-       char *url;
        int prevlocal;
        unsigned char prev_buf[PREV_BUF_SIZE];
        ssize_t prev_read = 0;
@@ -1106,8 +1142,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
 
        git_SHA1_Init(&freq->c);
 
-       url = get_remote_object_url(base_url, hex, 0);
-       freq->url = xstrdup(url);
+       freq->url = get_remote_object_url(base_url, hex, 0);
 
        /*
         * If a previous temp file is present, process what was already
@@ -1143,7 +1178,11 @@ struct http_object_request *new_http_object_request(const char *base_url,
                if (prev_posn>0) {
                        prev_posn = 0;
                        lseek(freq->localfile, 0, SEEK_SET);
-                       ftruncate(freq->localfile, 0);
+                       if (ftruncate(freq->localfile, 0) < 0) {
+                               error("Couldn't truncate temporary file %s for %s: %s",
+                                         freq->tmpfile, freq->filename, strerror(errno));
+                               goto abort;
+                       }
                }
        }
 
@@ -1152,7 +1191,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
        curl_easy_setopt(freq->slot->curl, CURLOPT_FILE, freq);
        curl_easy_setopt(freq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
        curl_easy_setopt(freq->slot->curl, CURLOPT_ERRORBUFFER, freq->errorstr);
-       curl_easy_setopt(freq->slot->curl, CURLOPT_URL, url);
+       curl_easy_setopt(freq->slot->curl, CURLOPT_URL, freq->url);
        curl_easy_setopt(freq->slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
 
        /*
@@ -1172,9 +1211,9 @@ struct http_object_request *new_http_object_request(const char *base_url,
 
        return freq;
 
-       free(url);
 abort:
        free(filename);
+       free(freq->url);
        free(freq);
        return NULL;
 }
@@ -1239,5 +1278,10 @@ void release_http_object_request(struct http_object_request *freq)
                free(freq->url);
                freq->url = NULL;
        }
-       freq->slot = NULL;
+       if (freq->slot != NULL) {
+               freq->slot->callback_func = NULL;
+               freq->slot->callback_data = NULL;
+               release_active_slot(freq->slot);
+               freq->slot = NULL;
+       }
 }