diff options
Diffstat (limited to 'agent/command.c')
| -rw-r--r-- | agent/command.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/agent/command.c b/agent/command.c index 37276991c..bbcab8e7d 100644 --- a/agent/command.c +++ b/agent/command.c @@ -120,6 +120,37 @@ cmd_marktrusted (ASSUAN_CONTEXT ctx, char *line) +/* HAVEKEY <hexstring_with_keygrip> + + Return success when the secret key is available */ +static int +cmd_havekey (ASSUAN_CONTEXT ctx, char *line) +{ + int n; + char *p; + unsigned char buf[20]; + + /* parse the hash value */ + for (p=line,n=0; hexdigitp (p); p++, n++) + ; + if (*p) + return set_error (Parameter_Error, "invalid hexstring"); + if ((n&1)) + return set_error (Parameter_Error, "odd number of digits"); + n /= 2; + if (n != 20) + return set_error (Parameter_Error, "invalid length of keygrip"); + + for (p=line, n=0; n < 20; p += 2, n++) + buf[n] = xtoi_2 (p); + + if (agent_key_available (buf)) + return ASSUAN_No_Secret_Key; + + return 0; +} + + /* SIGKEY <hexstring_with_keygrip> SETKEY <hexstring_with_keygrip> @@ -414,6 +445,7 @@ register_commands (ASSUAN_CONTEXT ctx) int (*handler)(ASSUAN_CONTEXT, char *line); } table[] = { { "ISTRUSTED", 0, cmd_istrusted }, + { "HAVEKEY", 0, cmd_havekey }, { "SIGKEY", 0, cmd_sigkey }, { "SETKEY", 0, cmd_sigkey }, { "SETHASH", 0, cmd_sethash }, |