VivoKey/vsmartcard
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added more error debugging

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git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@355 96b47cad-a561-4643-ad3b-153ac7d7599c
This commit is contained in:
frankmorgner
2010-11-11 09:51:48 +00:00
parent a012c02caf
commit c0f16a32a3
4 changed files with 40 additions and 27 deletions
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30
pcsc-relay/src/pcsc-relay.c
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@@ -70,13 +70,16 @@ static void daemonize();
static void cleanup_exit(int signo);
static void cleanup(void);
void daemonize() {
pid_t pid, sid;
/*Fork and continue as child process*/
/* Fork and continue as child process */
pid = fork();
if (pid < 0)
if (pid < 0) {
ERROR("fork: %s\n", strerror(errno));
goto err;
}
if (pid > 0) /* Exit the parent */
exit(0);
@@ -84,13 +87,17 @@ void daemonize() {
/* Create new session and set the process group ID */
sid = setsid();
if (sid < 0)
if (sid < 0) {
ERROR("setsid: %s\n", strerror(errno));
goto err;
}
/* Change the current working directory. This prevents the current
directory from being locked; hence not being able to remove it. */
if (chdir("/") < 0)
* directory from being locked; hence not being able to remove it. */
if (chdir("/") < 0) {
ERROR("chdir: %s\n", strerror(errno));
goto err;
}
/* Redirect standard files to /dev/null */
close(STDIN_FILENO);
@@ -190,8 +197,10 @@ int main (int argc, char **argv)
sigemptyset(&new_sig.sa_mask);
new_sig.sa_flags = SA_RESTART;
if ((sigaction(SIGINT, &new_sig, &old_sig) < 0)
|| (sigaction(SIGTERM, &new_sig, &old_sig) < 0))
|| (sigaction(SIGTERM, &new_sig, &old_sig) < 0)) {
ERROR("sigaction: %s\n", strerror(errno));
goto err;
}
/* Open the device */
@@ -218,7 +227,7 @@ int main (int argc, char **argv)
/* transmit APDU to card */
outputLength = MAX_BUFFER_SIZE;
outputLength = sizeof outputBuffer;
r = pcsc_transmit(protocol, hCard, buf, buflen, outputBuffer, &outputLength);
if (r != SCARD_S_SUCCESS)
goto err;
@@ -235,5 +244,10 @@ int main (int argc, char **argv)
err:
cleanup();
exit(r == SCARD_S_SUCCESS ? 0 : 1);
if (r != SCARD_S_SUCCESS) {
ERROR(pcsc_stringify_error(r));
exit(1);
}
exit(0);
}