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Comment:Added support for logging to a file using CACKEY_DEBUG_LOGFILE environment variable
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SHA1: b9df324b668adec2ed8011b0bb8298305e54c67c
User & Date: rkeene on 2012-07-19 18:03:46
Other Links: manifest | tags
Context
2012-07-20
00:53
Corrected type-punning issue check-in: 9bed3538e1 user: rkeene tags: trunk
2012-07-19
18:03
Added support for logging to a file using CACKEY_DEBUG_LOGFILE environment variable check-in: b9df324b66 user: rkeene tags: trunk
18:03
Corrected type for debugging certificates check-in: ecfb2af250 user: rkeene tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified cackey.c from [f9930320b1] to [556e3f5257].

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#define MAX_ATR_SIZE 1024
#endif

#ifdef CACKEY_DEBUG
#  ifdef HAVE_TIME_H
#    include <time.h>
static time_t cackey_debug_start_time = 0;
#    define CACKEY_DEBUG_PRINTTIME { if (cackey_debug_start_time == 0) { cackey_debug_start_time = time(NULL); }; fprintf(stderr, "[%lu]: ", (unsigned long) (time(NULL) - cackey_debug_start_time)); }
#  else
#    define CACKEY_DEBUG_PRINTTIME /**/
#  endif

#  define CACKEY_DEBUG_PRINTF(x...) { CACKEY_DEBUG_PRINTTIME; fprintf(stderr, "%s():%i: ", __func__, __LINE__); fprintf(stderr, x); fprintf(stderr, "\n"); fflush(stderr); }
#  define CACKEY_DEBUG_PRINTBUF(f, x, y) { unsigned char *TMPBUF; unsigned long idx; TMPBUF = (unsigned char *) (x); CACKEY_DEBUG_PRINTTIME; fprintf(stderr, "%s():%i: %s  (%s/%lu = {%02x", __func__, __LINE__, f, #x, (unsigned long) (y), TMPBUF[0]); for (idx = 1; idx < (y); idx++) { fprintf(stderr, ", %02x", TMPBUF[idx]); }; fprintf(stderr, "})\n"); fflush(stderr); }
#  define CACKEY_DEBUG_PERROR(x) { fprintf(stderr, "%s():%i: ", __func__, __LINE__); CACKEY_DEBUG_PRINTTIME; perror(x); fflush(stderr); }
#  define free(x) { CACKEY_DEBUG_PRINTF("FREE(%p) (%s)", x, #x); free(x); }














































static void *CACKEY_DEBUG_FUNC_MALLOC(size_t size, const char *func, int line) {
	void *retval;

	retval = malloc(size);

	CACKEY_DEBUG_PRINTTIME;
	fprintf(stderr, "%s():%i: ", func, line);
	fprintf(stderr, "MALLOC() = %p", retval);
	fprintf(stderr, "\n");
	fflush(stderr);

	return(retval);
}

static void *CACKEY_DEBUG_FUNC_REALLOC(void *ptr, size_t size, const char *func, int line) {
	void *retval;

	retval = realloc(ptr, size);

	if (retval != ptr) {
		CACKEY_DEBUG_PRINTTIME;
		fprintf(stderr, "%s():%i: ", func, line);
		fprintf(stderr, "REALLOC(%p) = %p", ptr, retval);
		fprintf(stderr, "\n");
		fflush(stderr);
	}

	if (retval == NULL) {
		CACKEY_DEBUG_PRINTF(" *** ERROR *** realloc returned NULL (size = %lu)", (unsigned long) size);
	}

	return(retval);
}

static char *CACKEY_DEBUG_FUNC_STRDUP(const char *ptr, const char *func, int line) {
	char *retval;

	retval = strdup(ptr);

	CACKEY_DEBUG_PRINTTIME;
	fprintf(stderr, "%s():%i: ", func, line);
	fprintf(stderr, "STRDUP_MALLOC() = %p", retval);
	fprintf(stderr, "\n");
	fflush(stderr);

	return(retval);
}

static const char *CACKEY_DEBUG_FUNC_TAG_TO_STR(unsigned char tag) {
	switch (tag) {
		case GSCIS_TAG_CARDID:








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#define MAX_ATR_SIZE 1024
#endif

#ifdef CACKEY_DEBUG
#  ifdef HAVE_TIME_H
#    include <time.h>
static time_t cackey_debug_start_time = 0;
#    define CACKEY_DEBUG_PRINTTIME { if (cackey_debug_start_time == 0) { cackey_debug_start_time = time(NULL); }; fprintf(cackey_debug_fd(), "[%lu]: ", (unsigned long) (time(NULL) - cackey_debug_start_time)); }
#  else
#    define CACKEY_DEBUG_PRINTTIME /**/
#  endif

#  define CACKEY_DEBUG_PRINTF(x...) { CACKEY_DEBUG_PRINTTIME; fprintf(cackey_debug_fd(), "%s():%i: ", __func__, __LINE__); fprintf(cackey_debug_fd(), x); fprintf(cackey_debug_fd(), "\n"); fflush(cackey_debug_fd()); }
#  define CACKEY_DEBUG_PRINTBUF(f, x, y) { unsigned char *TMPBUF; unsigned long idx; TMPBUF = (unsigned char *) (x); CACKEY_DEBUG_PRINTTIME; fprintf(cackey_debug_fd(), "%s():%i: %s  (%s/%lu = {%02x", __func__, __LINE__, f, #x, (unsigned long) (y), TMPBUF[0]); for (idx = 1; idx < (y); idx++) { fprintf(cackey_debug_fd(), ", %02x", TMPBUF[idx]); }; fprintf(cackey_debug_fd(), "})\n"); fflush(cackey_debug_fd()); }
#  define CACKEY_DEBUG_PERROR(x) { fprintf(cackey_debug_fd(), "%s():%i: ", __func__, __LINE__); CACKEY_DEBUG_PRINTTIME; perror(x); fflush(cackey_debug_fd()); }
#  define free(x) { CACKEY_DEBUG_PRINTF("FREE(%p) (%s)", x, #x); free(x); }

static FILE *cackey_debug_fd(void) {
	static FILE *fd = NULL;
	char *logfile;

	if (fd != NULL) {
		return(fd);
	}

	/*
	 * Log to stderr initially so we can use debugging within
	 * this function without getting into an infinite loop
	 */
	fd = stderr;

	logfile = getenv("CACKEY_DEBUG_LOGFILE");
	if (logfile != NULL) {
		CACKEY_DEBUG_PRINTF("Found environment variable: %s", logfile);

		logfile = strchr(logfile, '=');
		if (logfile == NULL) {
			logfile = getenv("CACKEY_DEBUG_LOGFILE");
		} else {
			logfile++;
		}
	}

	if (logfile != NULL) {
		CACKEY_DEBUG_PRINTF("Found log file: %s", logfile);

		fd = fopen(logfile, "a");
	}

	if (fd == NULL) {
		fd = stderr;
	}

	if (fd == stderr) {
		CACKEY_DEBUG_PRINTF("Returning stderr");
	} else {
		CACKEY_DEBUG_PRINTF("Returning %p", fd);
	}

	return(fd);
}

static void *CACKEY_DEBUG_FUNC_MALLOC(size_t size, const char *func, int line) {
	void *retval;

	retval = malloc(size);

	CACKEY_DEBUG_PRINTTIME;
	fprintf(cackey_debug_fd(), "%s():%i: ", func, line);
	fprintf(cackey_debug_fd(), "MALLOC() = %p", retval);
	fprintf(cackey_debug_fd(), "\n");
	fflush(cackey_debug_fd());

	return(retval);
}

static void *CACKEY_DEBUG_FUNC_REALLOC(void *ptr, size_t size, const char *func, int line) {
	void *retval;

	retval = realloc(ptr, size);

	if (retval != ptr) {
		CACKEY_DEBUG_PRINTTIME;
		fprintf(cackey_debug_fd(), "%s():%i: ", func, line);
		fprintf(cackey_debug_fd(), "REALLOC(%p) = %p", ptr, retval);
		fprintf(cackey_debug_fd(), "\n");
		fflush(cackey_debug_fd());
	}

	if (retval == NULL) {
		CACKEY_DEBUG_PRINTF(" *** ERROR *** realloc returned NULL (size = %lu)", (unsigned long) size);
	}

	return(retval);
}

static char *CACKEY_DEBUG_FUNC_STRDUP(const char *ptr, const char *func, int line) {
	char *retval;

	retval = strdup(ptr);

	CACKEY_DEBUG_PRINTTIME;
	fprintf(cackey_debug_fd(), "%s():%i: ", func, line);
	fprintf(cackey_debug_fd(), "STRDUP_MALLOC() = %p", retval);
	fprintf(cackey_debug_fd(), "\n");
	fflush(cackey_debug_fd());

	return(retval);
}

static const char *CACKEY_DEBUG_FUNC_TAG_TO_STR(unsigned char tag) {
	switch (tag) {
		case GSCIS_TAG_CARDID:
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