From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Li Subject: [PATCH v5 2/3] git-core: Support retrieving passwords with GIT_ASKPASS Date: Thu, 4 Mar 2010 22:36:04 +0800 Message-ID: <1267713364-2976-1-git-send-email-lznuaa@gmail.com> Cc: gitster@pobox.com, j6t@kdbg.org, j.sixt@viscovery.net, Frank Li To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Thu Mar 04 15:37:09 2010 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1NnCA8-0002bg-Ki for gcvg-git-2@lo.gmane.org; Thu, 04 Mar 2010 15:36:28 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753605Ab0CDOgY (ORCPT ); Thu, 4 Mar 2010 09:36:24 -0500 Received: from ey-out-2122.google.com ([74.125.78.24]:62650 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752493Ab0CDOgW (ORCPT ); Thu, 4 Mar 2010 09:36:22 -0500 Received: by ey-out-2122.google.com with SMTP id 25so436273eya.19 for ; Thu, 04 Mar 2010 06:36:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer; bh=zwmL9YAdrO5QYLmUK06hPYwU4C/fGF3lEWDAv0vgWis=; b=ni+0zd5dnH8tznS50wRKFuI6GMuBWoXamILcHTg1PwepR1lZQzFznYY1K1jMwKeZUR vdWlgFzfCzKoAPMAMDe8Vdmz69TTRxigMMLXHyHcjWKhzIljjxg5zu9XP6IJmTqdDZ1H gk/loVfOzk0z9YpExLnKRY1sYfVupgZDLpp40= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=JbJIJKhslv3eYhYvwiU2zTwHC7VwMgYoOgfdtWwYlGVkC5Jua9OcnSPhj2O4jsOlTu OY2aN7pi/YSXL1uOQu3VgbCliwzlOtuyPP3opzinqvKFT5UEsLsHZby5g4xEXr1xFsb6 thVUPL9TSRKlDcVtIVaLznZSnQDJVyFBQqdto= Received: by 10.213.68.13 with SMTP id t13mr847591ebi.62.1267713381232; Thu, 04 Mar 2010 06:36:21 -0800 (PST) Received: from localhost ([114.93.102.82]) by mx.google.com with ESMTPS id 28sm1586659eyg.46.2010.03.04.06.36.19 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 04 Mar 2010 06:36:20 -0800 (PST) X-Mailer: git-send-email 1.6.5.1.1367.gcd48 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: imap-send and authority http connect reads passwords from an interactive terminal. This behavious cause GUIs to hang waiting for git complete. Fix this problem by allowing a password-retrieving command to be specified in GIT_ASKPASS Signed-off-by: Frank Li --- cache.h | 1 + connect.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ http.c | 4 ++-- imap-send.c | 2 +- 4 files changed, 49 insertions(+), 3 deletions(-) diff --git a/cache.h b/cache.h index d478eff..a25d269 100644 --- a/cache.h +++ b/cache.h @@ -877,6 +877,7 @@ struct ref { extern struct ref *find_ref_by_name(const struct ref *list, const char *name); #define CONNECT_VERBOSE (1u << 0) +extern char *git_getpass(const char *prompt); extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags); extern int finish_connect(struct child_process *conn); extern int path_match(const char *path, int nr, char **match); diff --git a/connect.c b/connect.c index a37cf6a..57d549c 100644 --- a/connect.c +++ b/connect.c @@ -647,3 +647,48 @@ int finish_connect(struct child_process *conn) free(conn); return code; } + +char *git_getpass(const char *prompt) +{ + char *askpass; + struct child_process pass; + const char *args[3]; + struct strbuf buffer = STRBUF_INIT; + static char *pd; + + askpass = getenv("GIT_ASKPASS"); + + if (!askpass || !(*askpass)) + return getpass(prompt); + + args[0] = askpass; + args[1] = prompt; + args[2] = NULL; + + memset(&pass, 0, sizeof(pass)); + pass.argv = args; + pass.out = -1; + + if (start_command(&pass)) + exit(1); + + if (strbuf_read(&buffer, pass.out, 20) < 0) + die("fail get password from %s\n", askpass); + + close(pass.out); + + if (finish_command(&pass)) + exit(1); + + strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n")); + + if (pd) { + free(pd); + pd = NULL; + } + /*it maybe memory leak because getpass return a static buffer*/ + /*Memory will be free at next call*/ + pd = strbuf_detach(&buffer, NULL); + return pd; +} + diff --git a/http.c b/http.c index deab595..4814217 100644 --- a/http.c +++ b/http.c @@ -204,7 +204,7 @@ static void init_curl_http_auth(CURL *result) if (user_name) { struct strbuf up = STRBUF_INIT; if (!user_pass) - user_pass = xstrdup(getpass("Password: ")); + user_pass = xstrdup(git_getpass("Password: ")); strbuf_addf(&up, "%s:%s", user_name, user_pass); curl_easy_setopt(result, CURLOPT_USERPWD, strbuf_detach(&up, NULL)); @@ -219,7 +219,7 @@ static int has_cert_password(void) return 0; /* Only prompt the user once. */ ssl_cert_password_required = -1; - ssl_cert_password = getpass("Certificate Password: "); + ssl_cert_password = git_getpass("Certificate Password: "); if (ssl_cert_password != NULL) { ssl_cert_password = xstrdup(ssl_cert_password); return 1; diff --git a/imap-send.c b/imap-send.c index 5631930..5254b2a 100644 --- a/imap-send.c +++ b/imap-send.c @@ -1107,7 +1107,7 @@ static struct store *imap_open_store(struct imap_server_conf *srvc) if (!srvc->pass) { char prompt[80]; sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host); - arg = getpass(prompt); + arg = git_getpass(prompt); if (!arg) { perror("getpass"); exit(1); -- 1.7.0.86.g84fa0