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agent: Pass comment lines from scd verbatim thru gpg-agent.

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* agent/call-scd.c (pass_status_thru): Pass comment lines verbatim.
* tools/gpg-connect-agent.c (help_cmd_p): New.
(main): Treat an "SCD HELP" the same as "HELP".
This commit is contained in:
Werner Koch 2011-12-14 15:42:28 +01:00
parent 2d91febbd8
commit 45cf9de341
3 changed files with 121 additions and 81 deletions
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13
NEWS
View File

@ -9,6 +9,19 @@ Noteworthy changes in version 2.1.0beta3
* The Assuan commands KILLAGENT and KILLSCD are working again.
* SCdaemon does not anymore block after changing a card (regression
fix).
* gpg-connect-agent does now proberly display the help output for
"SCD HELP" commands.
* New GPGSM validation model "steed".
* Improved certificate creation in GPGSM.
* New option for GPG_AGENT to select a passphrase mode. The loopback
mode may be used to bypass Pinentry.
Noteworthy changes in version 2.1.0beta2 (2011-03-08)
-----------------------------------------------------

33
agent/call-scd.c
View File

@ -1,5 +1,6 @@
/* call-scd.c - fork of the scdaemon to do SC operations
* Copyright (C) 2001, 2002, 2005, 2007, 2010 Free Software Foundation, Inc.
* Copyright (C) 2001, 2002, 2005, 2007, 2010,
* 2011 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -1129,16 +1130,28 @@ pass_status_thru (void *opaque, const char *line)
char keyword[200];
int i;
for (i=0; *line && !spacep (line) && i < DIM(keyword)-1; line++, i++)
keyword[i] = *line;
keyword[i] = 0;
/* truncate any remaining keyword stuff. */
for (; *line && !spacep (line); line++)
;
while (spacep (line))
line++;
if (line[0] == '#' && (!line[1] || spacep (line+1)))
{
/* We are called in convey comments mode. Now, if we see a
comment marker as keyword we forward the line verbatim to the
the caller. This way the comment lines from scdaemon won't
appear as status lines with keyword '#'. */
assuan_write_line (ctx, line);
}
else
{
for (i=0; *line && !spacep (line) && i < DIM(keyword)-1; line++, i++)
keyword[i] = *line;
keyword[i] = 0;
assuan_write_status (ctx, keyword, line);
/* Truncate any remaining keyword stuff. */
for (; *line && !spacep (line); line++)
;
while (spacep (line))
line++;
assuan_write_status (ctx, keyword, line);
}
return 0;
}

20
tools/gpg-connect-agent.c
View File

@ -1136,6 +1136,22 @@ do_serverpid (assuan_context_t ctx)
}
/* Return true if the command is either "HELP" or "SCD HELP". */
static int
help_cmd_p (const char *line)
{
if (!ascii_strncasecmp (line, "SCD", 3)
&& (spacep (line+3) || !line[3]))
{
for (line += 3; spacep (line); line++)
;
}
return (!ascii_strncasecmp (line, "HELP", 4)
&& (spacep (line+4) || !line[4]));
}
/* gpg-connect-agent's entry point. */
int
main (int argc, char **argv)
@ -1822,9 +1838,7 @@ main (int argc, char **argv)
if (*line == '#' || !*line)
continue; /* Don't expect a response for a comment line. */
rc = read_and_print_response (ctx, (!ascii_strncasecmp (line, "HELP", 4)
&& (spacep (line+4) || !line[4])),
&cmderr);
rc = read_and_print_response (ctx, help_cmd_p (line), &cmderr);
if (rc)
log_info (_("receiving line failed: %s\n"), gpg_strerror (rc) );
if ((rc || cmderr) && script_fp)