From 934864d399bb6091d55a15811eee7ed6e5391fb6 Mon Sep 17 00:00:00 2001 From: NIIBE Yutaka Date: Thu, 10 Mar 2022 11:11:38 +0900 Subject: [PATCH] scd: Enhance PASSWD command to accept KEYGRIP optionally. * scd/command.c (cmd_passwd): Handle KEYGRIP optionally. -- GnuPG-bug-id: 5862 Signed-off-by: NIIBE Yutaka --- scd/command.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/scd/command.c b/scd/command.c index b4f662924..5c0a06b93 100644 --- a/scd/command.c +++ b/scd/command.c @@ -1620,7 +1620,7 @@ cmd_random (assuan_context_t ctx, char *line) static const char hlp_passwd[] = - "PASSWD [--reset] [--nullpin] [--clear] \n" + "PASSWD [--reset] [--nullpin] [--clear] []\n" "\n" "Change the PIN or, if --reset is given, reset the retry counter of\n" "the card holder verification vector CHVNO. The option --nullpin is\n" @@ -1635,6 +1635,7 @@ cmd_passwd (assuan_context_t ctx, char *line) char *chvnostr; unsigned int flags = 0; card_t card; + const char *keygrip = NULL; if (has_option (line, "--reset")) flags |= APP_CHANGE_FLAG_RESET; @@ -1650,7 +1651,11 @@ cmd_passwd (assuan_context_t ctx, char *line) chvnostr = line; while (*line && !spacep (line)) line++; - *line = 0; + if (*line) + *line++ = 0; + + if (strlen (line) == 40) + keygrip = line; /* Do not allow other flags aside of --clear. */ if ((flags & APP_CHANGE_FLAG_CLEAR) && (flags & ~APP_CHANGE_FLAG_CLEAR)) @@ -1660,7 +1665,7 @@ cmd_passwd (assuan_context_t ctx, char *line) if ((rc = open_card (ctrl))) return rc; - card = card_get (ctrl, NULL); + card = card_get (ctrl, keygrip); if (!card) return gpg_error (GPG_ERR_UNSUPPORTED_OPERATION);