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From: Ben Toews <mastahyeti@gmail.com>
To: git@vger.kernel.org
Cc: me@ttaylorr.com, peff@peff.net, sbeller@google.com,
	gitster@pobox.com, szeder.dev@gmail.com, sunshine@sunshineco.com,
	Ben Toews <mastahyeti@gmail.com>
Subject: [PATCH v2 2/9] gpg-interface: handle bool user.signingkey
Date: Fri, 13 Apr 2018 15:18:30 -0600	[thread overview]
Message-ID: <20180413211837.99415-3-mastahyeti@gmail.com> (raw)
In-Reply-To: <20180413211837.99415-1-mastahyeti@gmail.com>
In-Reply-To: <20180409204129.43537-1-mastahyeti@gmail.com>

From: Jeff King <peff@peff.net>

The config handler for user.signingkey does not check for a
boolean value, and thus:

  git -c user.signingkey tag

will segfault. We could fix this and even shorten the code
by using git_config_string(). But our set_signing_key()
helper is used by other code outside of gpg-interface.c, so
we must keep it (and we may as well use it, because unlike
git_config_string() it does not leak when we overwrite an
old value).

Ironically, the handler for gpg.program just below _could_
use git_config_string() but doesn't. But since we're going
to touch that in a future patch, we'll leave it alone for
now. We will add some whitespace and returns in preparation
for adding more config keys, though.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Ben Toews <mastahyeti@gmail.com>
---
 gpg-interface.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gpg-interface.c b/gpg-interface.c
index 4feacf16e5..61c0690e12 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -128,13 +128,19 @@ void set_signing_key(const char *key)
 int git_gpg_config(const char *var, const char *value, void *cb)
 {
 	if (!strcmp(var, "user.signingkey")) {
+		if (!value)
+			return config_error_nonbool(var);
 		set_signing_key(value);
+		return 0;
 	}
+
 	if (!strcmp(var, "gpg.program")) {
 		if (!value)
 			return config_error_nonbool(var);
 		gpg_program = xstrdup(value);
+		return 0;
 	}
+
 	return 0;
 }

--
2.15.1 (Apple Git-101)

  parent reply	other threads:[~2018-04-13 21:19 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-09 20:41 [PATCH 0/8] gpg-interface: Multiple signing tools Ben Toews
2018-04-09 20:41 ` [PATCH 1/8] gpg-interface: handle bool user.signingkey Ben Toews
2018-04-09 20:55   ` Eric Sunshine
2018-04-10 14:32     ` Jeff King
2018-04-09 20:41 ` [PATCH 2/8] gpg-interface: modernize function declarations Ben Toews
2018-04-09 20:41 ` [PATCH 3/8] gpg-interface: use size_t for signature buffer size Ben Toews
2018-04-09 20:41 ` [PATCH 4/8] gpg-interface: fix const-correctness of "eol" pointer Ben Toews
2018-04-09 20:41 ` [PATCH 5/8] gpg-interface: extract gpg line matching helper Ben Toews
2018-04-09 20:41 ` [PATCH 6/8] gpg-interface: find the last gpg signature line Ben Toews
2018-04-09 21:13   ` Eric Sunshine
2018-04-10  9:44   ` Junio C Hamano
2018-04-10 14:47     ` Ben Toews
2018-04-10 21:04       ` Junio C Hamano
2018-04-10 22:17         ` Junio C Hamano
2018-04-11 15:19           ` Ben Toews
2018-04-09 20:41 ` [PATCH 7/8] gpg-interface: prepare for parsing arbitrary PEM blocks Ben Toews
2018-04-09 20:41 ` [PATCH 8/8] gpg-interface: handle alternative signature types Ben Toews
2018-04-09 21:01   ` Stefan Beller
2018-04-10  8:24   ` Eric Sunshine
2018-04-10 15:00     ` Ben Toews
2018-04-14 19:59     ` brian m. carlson
2018-04-16  5:05       ` Junio C Hamano
2018-04-17  0:12         ` brian m. carlson
2018-04-17  1:54           ` Junio C Hamano
2018-04-17 18:08             ` Ben Toews
2018-04-17 18:33               ` Taylor Blau
2018-05-03 16:03                 ` Ben Toews
2018-05-07  9:45           ` Jeff King
2018-05-07 15:18             ` Junio C Hamano
2018-05-07 23:06             ` brian m. carlson
2018-05-08 13:28               ` Jeff King
2018-05-08 23:09                 ` brian m. carlson
2018-05-09  8:03                   ` Jeff King
2018-04-10  9:35   ` Junio C Hamano
2018-04-10 16:01     ` Ben Toews
2018-04-11 10:11   ` SZEDER Gábor
2018-04-13 21:18 ` [PATCH v2 0/9] gpg-interface: Multiple signing tools Ben Toews
2018-04-13 21:18 ` [PATCH v2 1/9] t7004: fix mistaken tag name Ben Toews
2018-04-13 21:18 ` Ben Toews [this message]
2018-04-13 21:18 ` [PATCH v2 3/9] gpg-interface: modernize function declarations Ben Toews
2018-04-13 21:18 ` [PATCH v2 4/9] gpg-interface: use size_t for signature buffer size Ben Toews
2018-04-13 21:18 ` [PATCH v2 5/9] gpg-interface: fix const-correctness of "eol" pointer Ben Toews
2018-04-13 21:18 ` [PATCH v2 6/9] gpg-interface: extract gpg line matching helper Ben Toews
2018-04-13 21:18 ` [PATCH v2 7/9] gpg-interface: find the last gpg signature line Ben Toews
2018-04-13 21:18 ` [PATCH v2 8/9] gpg-interface: prepare for parsing arbitrary PEM blocks Ben Toews
2018-04-13 21:18 ` [PATCH v2 9/9] gpg-interface: handle alternative signature types Ben Toews

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