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Let scdaemon call a script on status changes

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This commit is contained in:
Werner Koch 2006-09-07 15:13:33 +00:00
parent 44393f2ce7
commit 6374763c98
12 changed files with 355 additions and 49 deletions
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43
scd/command.c
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@ -37,6 +37,7 @@
#include <ksba.h>
#include "app-common.h"
#include "apdu.h" /* Required for apdu_*_reader (). */
#include "exechelp.h"
/* Maximum length allowed as a PIN; used for INQUIRE NEEDPIN */
#define MAXLEN_PIN 100
@ -1778,6 +1779,47 @@ update_reader_status_file (void)
}
xfree (fname);
/* If a status script is executable, run it. */
{
const char *args[9], *envs[2];
char numbuf1[30], numbuf2[3], numbuf3[30];
char *homestr, *envstr;
gpg_error_t err;
homestr = make_filename (opt.homedir, NULL);
if (asprintf (&envstr, "GNUPGHOME=%s", homestr) < 0)
log_error ("out of core while building environment\n");
else
{
envs[0] = envstr;
envs[1] = NULL;
sprintf (numbuf1, "%d", ss->slot);
sprintf (numbuf2, "0x%04X", ss->status);
sprintf (numbuf3, "0x%04X", status);
args[0] = "--reader-port";
args[1] = numbuf1;
args[2] = "--old-code";
args[3] = numbuf2;
args[4] = "--new-code";
args[5] = numbuf3;
args[6] = "--status";
args[7] = ((status & 1)? "USABLE":
(status & 4)? "ACTIVE":
(status & 2)? "PRESENT": "NOCARD");
args[8] = NULL;
fname = make_filename (opt.homedir, "scd-event", NULL);
err = gnupg_spawn_process_detached (fname, args, envs);
if (err && gpg_err_code (err) != GPG_ERR_ENOENT)
log_error ("failed to run event handler `%s': %s\n",
fname, gpg_strerror (err));
xfree (fname);
free (envstr);
}
xfree (homestr);
}
/* Set the card removed flag for all current sessions. We
will set this on any card change because a reset or
SERIALNO request must be done in any case. */
@ -1802,6 +1844,7 @@ update_reader_status_file (void)
kill (pid, signo);
#endif
}
}
}
}