[PATCH] gpg-interface: trim CR from ssh-keygen -Y find-principals

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From: pedro martelletto <pedro@xxxxxxxxxx>

We need to trim \r from the output of 'ssh-keygen -Y find-principals' on
Windows, or we end up calling 'ssh-keygen -Y verify' with a bogus signer
identity. ssh-keygen.c:2841 contains a call to puts(3), which confirms this
hypothesis. Signature verification passes with the fix.

Signed-off-by: pedro martelletto <pedro@xxxxxxxxxx>
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
    Allow for CR in the output of ssh-keygen
    
    This came in via https://github.com/git-for-windows/git/pull/3561. It
    affects current Windows versions of OpenSSH (but apparently not the
    MSYS2 version included in Git for Windows).

Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1090%2Fdscho%2Fallow-cr-from-ssh-keygen-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1090/dscho/allow-cr-from-ssh-keygen-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/1090

 gpg-interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gpg-interface.c b/gpg-interface.c
index 3e7255a2a91..85e26882782 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -497,7 +497,7 @@ static int verify_ssh_signed_buffer(struct signature_check *sigc,
 			if (!*line)
 				break;
 
-			trust_size = strcspn(line, "\n");
+			trust_size = strcspn(line, "\r\n");
 			principal = xmemdupz(line, trust_size);
 
 			child_process_init(&ssh_keygen);

base-commit: abe6bb3905392d5eb6b01fa6e54d7e784e0522aa
-- 
gitgitgadget



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