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Add a way to get a listing of available CCID readers.

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This commit is contained in:
Werner Koch 2007-04-03 16:57:37 +00:00
parent 12cc96a176
commit 3bbc481935
10 changed files with 170 additions and 52 deletions
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2
common/sexputil.c
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@ -1,4 +1,4 @@
/* sexputil.c - Utility fnctions for S-expressions.
/* sexputil.c - Utility functions for S-expressions.
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* This file is part of GnuPG.

2
doc/gpg-agent.texi
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@ -501,7 +501,7 @@ checking of some root certificate requirements.
As a special feature a line @code{include-default} will include a global
list of trusted certificates (e.g. @file{/etc/gnupg/trustlist.txt}).
This global list is also used if the local list ios not available.
This global list is also used if the local list is not available.
@item sshcontrol

7
doc/scdaemon.texi
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@ -251,6 +251,13 @@ readers might need a string here; run the program in verbose mode to get
a list of available readers. The default is then the first reader
found.
To get a list of available CCID readers you may use this command:
@smallexample
echo scd getinfo reader_list | gpg-connect-agent --decode | awk '/^D/ @{print $2@}'
@end smallexample
@item --disable-keypad
@opindex disable-keypad
Even if a card reader features a keypad, do not try to use it.

18
doc/tools.texi
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@ -955,6 +955,16 @@ When using @option{-S} or @option{--exec}, @command{gpg-connect-agent}
connects to the assuan server in extended mode to allow descriptor
passing. This option makes it use the old mode.
@item --hex
@opindex hex
Print data lines in a hex format and the ASCII representation of
non-control characters.
@item --decode
@opindex decode
Decode data lines. That is to remove percent escapes but make sure that
a new line always starts with a D and a space.
@end table
@mansect control commands
@ -995,6 +1005,14 @@ input source for other commands.
@item /recvfd
Not yet implemented.
@item /hex
@itemx /nohex
Same as the command line option @option{--hex}.
@item /decode
@itemx /nodecode
Same as the command line option @option{--decode}.
@item /help
Print a list of available control commands.

6
scd/ChangeLog
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@ -1,3 +1,9 @@
2007-04-03 Werner Koch <wk@g10code.com>
* command.c (cmd_getinfo): New subcommand "reader_list".
* ccid-driver.c (scan_or_find_devices): Ignore EBUSY in scan mode
for special transports.
2007-03-07 Werner Koch <wk@g10code.com>
* app-dinsig.c: Include i18n.h.

11
scd/ccid-driver.c
View File

@ -989,7 +989,13 @@ scan_or_find_devices (int readerno, const char *readerid,
char *rid, *p;
fd = open (transports[i].name, O_RDWR);
if (fd == -1)
if (fd == -1 && scan_mode && errno == EBUSY)
{
/* Ignore this error in scan mode because it indicates that
the device exists but is already open (most likely by us)
and thus in general suitable as a reader. */
}
else if (fd == -1)
{
DEBUGOUT_2 ("failed to open `%s': %s\n",
transports[i].name, strerror (errno));
@ -999,6 +1005,7 @@ scan_or_find_devices (int readerno, const char *readerid,
rid = malloc (strlen (transports[i].name) + 30 + 10);
if (!rid)
{
if (fd != -1)
close (fd);
free (rid_list);
return -1; /* Error. */
@ -1010,6 +1017,7 @@ scan_or_find_devices (int readerno, const char *readerid,
p = malloc ((rid_list? strlen (rid_list):0) + 1 + strlen (rid) + 1);
if (!p)
{
if (fd != -1)
close (fd);
free (rid_list);
free (rid);
@ -1046,6 +1054,7 @@ scan_or_find_devices (int readerno, const char *readerid,
--readerno;
}
free (rid);
if (fd != -1)
close (fd);
}

21
scd/command.c
View File

@ -38,6 +38,9 @@
#include "app-common.h"
#include "apdu.h" /* Required for apdu_*_reader (). */
#include "exechelp.h"
#ifdef HAVE_LIBUSB
#include "ccid-driver.h"
#endif
/* Maximum length allowed as a PIN; used for INQUIRE NEEDPIN */
#define MAXLEN_PIN 100
@ -1382,12 +1385,16 @@ cmd_unlock (assuan_context_t ctx, char *line)
Supported values of WHAT are:
socket_name - Return the name of the socket.
status - Return the status of the current slot (in the future, may
also return the status of all slots). The status is a list of
one-character flags. The following flags are currently defined:
'u' Usable card present. This is the normal state during operation.
'r' Card removed. A reset is necessary.
These flags are exclusive.
reader_list - Return a list of detected card readers. Does
currently only work with the internal CCID driver.
*/
static int
@ -1427,6 +1434,20 @@ cmd_getinfo (assuan_context_t ctx, char *line)
}
rc = assuan_send_data (ctx, &flag, 1);
}
else if (!strcmp (line, "reader_list"))
{
#ifdef HAVE_LIBUSB
char *s = ccid_get_reader_list ();
#else
char *s = NULL;
#endif
if (s)
rc = assuan_send_data (ctx, s, strlen (s));
else
rc = gpg_error (GPG_ERR_NO_DATA);
xfree (s);
}
else
rc = set_error (GPG_ERR_ASS_PARAMETER, "unknown value for WHAT");
return rc;

4
sm/ChangeLog
View File

@ -6,9 +6,9 @@
as much memory as required.
(gpgsm_get_keygrip_hexstring): Use bin2hex.
* certchain.c (gpgsm_validate_chain): Keep terack of the
* certchain.c (gpgsm_validate_chain): Keep track of the
certificate chain and reset the ephemeral flags.
* keydb.c (keydb_set_cert_flags): New args EPHEMERAL MASK.
* keydb.c (keydb_set_cert_flags): New args EPHEMERAL and MASK.
Changed caller to use a mask of ~0. Return a proper error code if
the certificate is not available.

6
tools/ChangeLog
View File

@ -1,3 +1,9 @@
2007-04-03 Werner Koch <wk@g10code.com>
* gpg-connect-agent.c (main): New option --decode and commands
decode and undecode.
(read_and_print_response): Implement option.
2007-03-20 Werner Koch <wk@g10code.com>
* gpgconf-comp.c (gc_options_gpgsm): Add p12-charset.

55
tools/gpg-connect-agent.c
View File

@ -1,5 +1,5 @@
/* gpg-connect-agent.c - Tool to connect to the agent.
* Copyright (C) 2005 Free Software Foundation, Inc.
* Copyright (C) 2005, 2007 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -46,6 +46,7 @@ enum cmd_and_opt_values
oNoVerbose = 500,
oHomedir,
oHex,
oDecode,
oNoExtConnect
};
@ -59,6 +60,7 @@ static ARGPARSE_OPTS opts[] =
{ oVerbose, "verbose", 0, N_("verbose") },
{ oQuiet, "quiet", 0, N_("quiet") },
{ oHex, "hex", 0, N_("print data out hex encoded") },
{ oDecode,"decode", 0, N_("decode received data lines") },
{ oRawSocket, "raw-socket", 2, N_("|NAME|connect to Assuan socket NAME")},
{ oExec, "exec", 0, N_("run the Assuan server given on the command line")},
{ oNoExtConnect, "no-ext-connect",
@ -78,6 +80,7 @@ struct
int quiet; /* Be extra quiet. */
const char *homedir; /* Configuration directory name */
int hex; /* Print data lines in hex format. */
int decode; /* Decode received data lines. */
const char *raw_socket; /* Name of socket to connect in raw mode. */
int exec; /* Run the pgm given on the command line. */
unsigned int connect_flags; /* Flags used for connecting. */
@ -306,6 +309,7 @@ main (int argc, char **argv)
case oNoVerbose: opt.verbose = 0; break;
case oHomedir: opt.homedir = pargs.r.ret_str; break;
case oHex: opt.hex = 1; break;
case oDecode: opt.decode = 1; break;
case oRawSocket: opt.raw_socket = pargs.r.ret_str; break;
case oExec: opt.exec = 1; break;
case oNoExtConnect: opt.connect_flags &= ~(1); break;
@ -436,6 +440,14 @@ main (int argc, char **argv)
do_recvfd (ctx, p);
continue;
}
else if (!strcmp (cmd, "hex"))
opt.hex = 1;
else if (!strcmp (cmd, "nohex"))
opt.hex = 0;
else if (!strcmp (cmd, "decode"))
opt.decode = 1;
else if (!strcmp (cmd, "nodecode"))
opt.decode = 0;
else if (!strcmp (cmd, "help"))
{
puts (
@ -451,6 +463,8 @@ main (int argc, char **argv)
"/cleardef Delete all definitions.\n"
"/sendfd FILE MODE Open FILE and pass descriptor to server.\n"
"/recvfd Receive FD from server and print. \n"
"/[no]hex Enable hex dumping of received data lines.\n"
"/[no]decode Enable decoding of received data lines.\n"
"/help Print this help.");
}
else
@ -577,6 +591,7 @@ read_and_print_response (assuan_context_t ctx)
size_t linelen;
assuan_error_t rc;
int i, j;
int need_lf = 0;
for (;;)
{
@ -628,13 +643,48 @@ read_and_print_response (assuan_context_t ctx)
putchar ('\n');
}
}
else if (opt.decode)
{
const unsigned char *s;
int need_d = 1;
int c = 0;
for (j=2, s=(unsigned char*)line+2; j < linelen; j++, s++ )
{
if (need_d)
{
fputs ("D ", stdout);
need_d = 0;
}
if (*s == '%' && j+2 < linelen)
{
s++; j++;
c = xtoi_2 ( s );
s++; j++;
}
else
c = *s;
if (c == '\n')
need_d = 1;
putchar (c);
}
need_lf = (c != '\n');
}
else
{
fwrite (line, linelen, 1, stdout);
putchar ('\n');
}
}
else if (linelen >= 1
else
{
if (need_lf)
{
putchar ('\n');
need_lf = 0;
}
if (linelen >= 1
&& line[0] == 'S'
&& (line[1] == '\0' || line[1] == ' '))
{
@ -680,6 +730,7 @@ read_and_print_response (assuan_context_t ctx)
return gpg_error (GPG_ERR_ASS_INV_RESPONSE);
}
}
}