imap-send: fix CRAM-MD5 response calculation

Remove extra + 1 from resp_len, the length of the byte sequence to be
Base64 encoded and passed to the server as the response. Or the response
incorrectly contains an extra \0.

Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/imap-send.c b/imap-send.c
index 30979f0..407e46b 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -890,7 +890,7 @@ static char *cram(const char *challenge_64, const char *user, const char *pass)
 
        /* response: "<user> <digest in hex>" */
        response = xstrfmt("%s %s", user, hex);
-       resp_len = strlen(response) + 1;
+       resp_len = strlen(response);
 
        response_64 = xmallocz(ENCODED_SIZE(resp_len));
        encoded_len = EVP_EncodeBlock((unsigned char *)response_64,