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📄 Makefile(346 B)
📄 Makefile.m4(1.92 KB)
📄 README(4.42 KB)
📄 assert.c(4.13 KB)
📄 assert.html(13.86 KB)
📄 b-strcmp.c(3.4 KB)
📄 b-strl.c(5 KB)
📄 cdefs.html(2.39 KB)
📄 cf.c(1.97 KB)
📄 clock.c(13.89 KB)
📄 clrerr.c(872 B)
📄 config.c(4.47 KB)
📄 debug.c(8.91 KB)
📄 debug.html(7.68 KB)
📄 errstring.c(6.03 KB)
📄 exc.c(13.05 KB)
📄 exc.html(23.27 KB)
📄 fclose.c(3.13 KB)
📄 feof.c(961 B)
📄 ferror.c(932 B)
📄 fflush.c(3.1 KB)
📄 fget.c(2.37 KB)
📄 findfp.c(10.65 KB)
📄 flags.c(1.27 KB)
📄 fopen.c(8.3 KB)
📄 fpos.c(3.12 KB)
📄 fprintf.c(1.35 KB)
📄 fpurge.c(1.15 KB)
📄 fput.c(1.25 KB)
📄 fread.c(2.28 KB)
📄 fscanf.c(1.34 KB)
📄 fseek.c(7.25 KB)
📄 fvwrite.c(6.24 KB)
📄 fvwrite.h(740 B)
📄 fwalk.c(1.41 KB)
📄 fwrite.c(1.54 KB)
📄 gen.html(910 B)
📄 get.c(1.12 KB)
📄 glue.h(731 B)
📄 heap.c(17.29 KB)
📄 heap.html(13.07 KB)
📄 index.html(5.95 KB)
📄 inet6_ntop.c(1.1 KB)
📄 io.html(26.6 KB)
📄 ldap.c(35.72 KB)
📄 local.h(9.42 KB)
📄 makebuf.c(3.36 KB)
📄 match.c(2.77 KB)
📄 mbdb.c(16.61 KB)
📄 memstat.c(5.13 KB)
📄 mpeix.c(13.84 KB)
📄 niprop.c(4.64 KB)
📄 notify.c(3.32 KB)
📄 put.c(1.61 KB)
📄 refill.c(7.09 KB)
📄 rewind.c(1.08 KB)
📄 rpool.c(11.54 KB)
📄 rpool.html(6.08 KB)
📄 sem.c(4.41 KB)
📄 setvbuf.c(4.2 KB)
📄 shm.c(2.62 KB)
📄 signal.c(6.75 KB)
📄 smstdio.c(6.14 KB)
📄 snprintf.c(2.29 KB)
📄 sscanf.c(2.26 KB)
📄 stdio.c(9.7 KB)
📄 strcasecmp.c(3.14 KB)
📄 strdup.c(2.79 KB)
📄 strerror.c(1.27 KB)
📄 strexit.c(2.76 KB)
📄 string.c(1.29 KB)
📄 stringf.c(1.77 KB)
📄 strio.c(9.18 KB)
📄 strl.c(7.52 KB)
📄 strrevcmp.c(1.61 KB)
📄 strto.c(5.45 KB)
📄 syslogio.c(4.11 KB)
📄 t-cf.c(934 B)
📄 t-event.c(1.79 KB)
📄 t-exc.c(2.75 KB)
📄 t-fget.c(1.71 KB)
📄 t-float.c(1.78 KB)
📄 t-fopen.c(875 B)
📄 t-heap.c(1.3 KB)
📄 t-inet6_ntop.c(1.4 KB)
📄 t-match.c(1.1 KB)
📄 t-memstat.c(2.17 KB)
📄 t-notify.c(1.81 KB)
📄 t-path.c(742 B)
📄 t-qic.c(5.43 KB)
📄 t-rpool.c(1.5 KB)
📄 t-scanf.c(1.38 KB)
📄 t-sem.c(5.85 KB)
📄 t-shm.c(4.42 KB)
📄 t-smstdio.c(1.55 KB)
📄 t-string.c(968 B)
📄 t-strio.c(775 B)
📄 t-strl.c(3.53 KB)
📄 t-strrevcmp.c(994 B)
📄 t-types.c(2.7 KB)
📄 test.c(2.73 KB)
📄 ungetc.c(3.93 KB)
📄 util.c(4.46 KB)
📄 vasprintf.c(2.91 KB)
📄 vfprintf.c(24.09 KB)
📄 vfscanf.c(18.76 KB)
📄 vprintf.c(999 B)
📄 vsnprintf.c(1.87 KB)
📄 wbuf.c(2.51 KB)
📄 wsetup.c(1.88 KB)
📄 xtrap.c(653 B)

Editing: debug.c

/*
 * Copyright (c) 2000, 2001, 2003, 2004 Proofpoint, Inc. and its suppliers.
 *	All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#include <sm/gen.h>
SM_RCSID("@(#)$Id: debug.c,v 1.33 2013-11-22 20:51:42 ca Exp $")

/*
**  libsm debugging and tracing
**  For documentation, see debug.html.
*/

#include <ctype.h>
#include <stdlib.h>
#if _FFR_DEBUG_PID_TIME
#include <unistd.h>
#include <sm/types.h>
#include <sm/time.h>
#include <time.h>
#endif /* _FFR_DEBUG_PID_TIME */
#include <setjmp.h>
#include <sm/io.h>
#include <sm/assert.h>
#include <sm/conf.h>
#include <sm/debug.h>
#include <sm/string.h>
#include <sm/varargs.h>
#include <sm/heap.h>

static void		 sm_debug_reset __P((void));
static const char	*parse_named_setting_x __P((const char *));

/*
**  Abstractions for printing trace messages.
*/

/*
**  The output file to which trace output is directed.
**  There is a controversy over whether this variable
**  should be process global or thread local.
**  To make the interface more abstract, we've hidden the
**  variable behind access functions.
*/

static SM_FILE_T *SmDebugOutput = smioout;

/*
**  SM_DEBUG_FILE -- Returns current debug file pointer.
**
**	Parameters:
**		none.
**
**	Returns:
**		current debug file pointer.
*/

SM_FILE_T *
sm_debug_file()
{
	return SmDebugOutput;
}

/*
**  SM_DEBUG_SETFILE -- Sets debug file pointer.
**
**	Parameters:
**		fp -- new debug file pointer.
**
**	Returns:
**		none.
**
**	Side Effects:
**		Sets SmDebugOutput.
*/

void
sm_debug_setfile(fp)
	SM_FILE_T *fp;
{
	SmDebugOutput = fp;
}

/*
**  SM_DEBUG_CLOSE -- Close debug file pointer.
**
**	Parameters:
**		none.
**
**	Returns:
**		none.
**
**	Side Effects:
**		Closes SmDebugOutput.
*/

void
sm_debug_close()
{
	if (SmDebugOutput != NULL && SmDebugOutput != smioout)
	{
		sm_io_close(SmDebugOutput, SM_TIME_DEFAULT);
		SmDebugOutput = NULL;
	}
}

/*
**  SM_DPRINTF -- printf() for debug output.
**
**	Parameters:
**		fmt -- format for printf()
**
**	Returns:
**		none.
*/

#if _FFR_DEBUG_PID_TIME
SM_DEBUG_T SmDBGPidTime = SM_DEBUG_INITIALIZER("sm_trace_pid_time",
	"@(#)$Debug: sm_trace_pid_time - print pid and time in debug $");
#endif

void
#if SM_VA_STD
sm_dprintf(char *fmt, ...)
#else /* SM_VA_STD */
sm_dprintf(fmt, va_alist)
	char *fmt;
	va_dcl
#endif /* SM_VA_STD */
{
	SM_VA_LOCAL_DECL
#if _FFR_DEBUG_PID_TIME
	static struct timeval lasttv;
#endif

if (SmDebugOutput == NULL)
		return;
#if _FFR_DEBUG_PID_TIME
	/* note: this is ugly if the output isn't a full line! */
	if (sm_debug_active(&SmDBGPidTime, 3))
	{
		struct timeval tv, tvd;

gettimeofday(&tv, NULL);
		if (timerisset(&lasttv))
			timersub(&tv, &lasttv, &tvd);
		else
			timerclear(&tvd);
		sm_io_fprintf(SmDebugOutput, SmDebugOutput->f_timeout,
			"%ld: %ld.%06ld ",
			(long) getpid(),
			(long) tvd.tv_sec,
			(long) tvd.tv_usec);
		lasttv = tv;
	}
	else if (sm_debug_active(&SmDBGPidTime, 2))
	{
		struct timeval tv;

gettimeofday(&tv, NULL);
		sm_io_fprintf(SmDebugOutput, SmDebugOutput->f_timeout,
			"%ld: %ld.%06ld ",
			(long) getpid(),
			(long) tv.tv_sec,
			(long) tv.tv_usec);
	}
	else if (sm_debug_active(&SmDBGPidTime, 1))
	{
		static char str[32] = "[1900-00-00/00:00:00] ";
		struct tm *tmp;
		time_t currt;

currt = time((time_t *)0);
		tmp = localtime(&currt);
		snprintf(str, sizeof(str), "[%d-%02d-%02d/%02d:%02d:%02d] ",
			1900 + tmp->tm_year,	/* HACK */
			tmp->tm_mon + 1,
			tmp->tm_mday,
			tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
		sm_io_fprintf(SmDebugOutput, SmDebugOutput->f_timeout,
			"%ld: %s ", (long) getpid(), str);
	}
#endif /* _FFR_DEBUG_PID_TIME */

SM_VA_START(ap, fmt);
	sm_io_vfprintf(SmDebugOutput, SmDebugOutput->f_timeout, fmt, ap);
	SM_VA_END(ap);
}

/*
**  SM_DFLUSH -- Flush debug output.
**
**	Parameters:
**		none.
**
**	Returns:
**		none.
*/

void
sm_dflush()
{
	sm_io_flush(SmDebugOutput, SM_TIME_DEFAULT);
}

/*
**  This is the internal database of debug settings.
**  The semantics of looking up a setting in the settings database
**  are that the *last* setting specified in a -d option on the sendmail
**  command line that matches a given SM_DEBUG structure is the one that is
**  used.  That is necessary to conform to the existing semantics of
**  the sendmail -d option.  We store the settings as a linked list in
**  reverse order, so when we do a lookup, we take the *first* entry
**  that matches.
*/

typedef struct sm_debug_setting SM_DEBUG_SETTING_T;
struct sm_debug_setting
{
	const char		*ds_pattern;
	unsigned int		ds_level;
	SM_DEBUG_SETTING_T	*ds_next;
};
SM_DEBUG_SETTING_T *SmDebugSettings = NULL;

/*
**  We keep a linked list of SM_DEBUG structures that have been initialized,
**  for use by sm_debug_reset.
*/

SM_DEBUG_T *SmDebugInitialized = NULL;

const char SmDebugMagic[] = "sm_debug";

/*
**  SM_DEBUG_RESET -- Reset SM_DEBUG structures.
**
**	Reset all SM_DEBUG structures back to the uninitialized state.
**	This is used by sm_debug_addsetting to ensure that references to
**	SM_DEBUG structures that occur before sendmail processes its -d flags
**	do not cause those structures to be permanently forced to level 0.
**
**	Parameters:
**		none.
**
**	Returns:
**		none.
*/

static void
sm_debug_reset()
{
	SM_DEBUG_T *debug;

for (debug = SmDebugInitialized;
	     debug != NULL;
	     debug = debug->debug_next)
	{
		debug->debug_level = SM_DEBUG_UNKNOWN;
	}
	SmDebugInitialized = NULL;
}

/*
**  SM_DEBUG_ADDSETTING_X -- add an entry to the database of debug settings
**
**	Parameters:
**		pattern -- a shell-style glob pattern (see sm_match).
**			WARNING: the storage for 'pattern' will be owned by
**			the debug package, so it should either be a string
**			literal or the result of a call to sm_strdup_x.
**		level -- a non-negative integer.
**
**	Returns:
**		none.
**
**	Exceptions:
**		F:sm_heap -- out of memory
*/

void
sm_debug_addsetting_x(pattern, level)
	const char *pattern;
	int level;
{
	SM_DEBUG_SETTING_T *s;

SM_REQUIRE(pattern != NULL);
	SM_REQUIRE(level >= 0);
	s = sm_malloc_x(sizeof(SM_DEBUG_SETTING_T));
	s->ds_pattern = pattern;
	s->ds_level = (unsigned int) level;
	s->ds_next = SmDebugSettings;
	SmDebugSettings = s;
	sm_debug_reset();
}

/*
**  PARSE_NAMED_SETTING_X -- process a symbolic debug setting
**
**	Parameters:
**		s -- Points to a non-empty \0 or , terminated string,
**		     of which the initial character is not a digit.
**
**	Returns:
**		pointer to terminating \0 or , character.
**
**	Exceptions:
**		F:sm.heap -- out of memory.
**
**	Side Effects:
**		adds the setting to the database.
*/

static const char *
parse_named_setting_x(s)
	const char *s;
{
	const char *pat, *endpat;
	int level;

pat = s;
	while (*s != '\0' && *s != ',' && *s != '.')
		++s;
	endpat = s;
	if (*s == '.')
	{
		++s;
		level = 0;
		while (isascii(*s) && isdigit(*s))
		{
			level = level * 10 + (*s - '0');
			++s;
		}
		if (level < 0)
			level = 0;
	}
	else
		level = 1;

sm_debug_addsetting_x(sm_strndup_x(pat, endpat - pat), level);

/* skip trailing junk */
	while (*s != '\0' && *s != ',')
		++s;

return s;
}

/*
**  SM_DEBUG_ADDSETTINGS_X -- process a list of debug options
**
**	Parameters:
**		s -- a list of debug settings, eg the argument to the
**		     sendmail -d option.
**
**		The syntax of the string s is as follows:
**
**		<settings> ::= <setting> | <settings> "," <setting>
**		<setting> ::= <categories> | <categories> "." <level>
**		<categories> ::= [a-zA-Z_*?][a-zA-Z0-9_*?]*
**
**		However, note that we skip over anything we don't
**		understand, rather than report an error.
**
**	Returns:
**		none.
**
**	Exceptions:
**		F:sm.heap -- out of memory
**
**	Side Effects:
**		updates the database of debug settings.
*/

void
sm_debug_addsettings_x(s)
	const char *s;
{
	for (;;)
	{
		if (*s == '\0')
			return;
		if (*s == ',')
		{
			++s;
			continue;
		}
		s = parse_named_setting_x(s);
	}
}

/*
**  SM_DEBUG_LOADLEVEL -- Get activation level of the specified debug object.
**
**	Parameters:
**		debug -- debug object.
**
**	Returns:
**		Activation level of the specified debug object.
**
**	Side Effects:
**		Ensures that the debug object is initialized.
*/

int
sm_debug_loadlevel(debug)
	SM_DEBUG_T *debug;
{
	if (debug->debug_level == SM_DEBUG_UNKNOWN)
	{
		SM_DEBUG_SETTING_T *s;

for (s = SmDebugSettings; s != NULL; s = s->ds_next)
		{
			if (sm_match(debug->debug_name, s->ds_pattern))
			{
				debug->debug_level = s->ds_level;
				goto initialized;
			}
		}
		debug->debug_level = 0;
	initialized:
		debug->debug_next = SmDebugInitialized;
		SmDebugInitialized = debug;
	}
	return (int) debug->debug_level;
}

/*
**  SM_DEBUG_LOADACTIVE -- Activation level reached?
**
**	Parameters:
**		debug -- debug object.
**		level -- level to check.
**
**	Returns:
**		true iff the activation level of the specified debug
**			object >= level.
**
**	Side Effects:
**		Ensures that the debug object is initialized.
*/

bool
sm_debug_loadactive(debug, level)
	SM_DEBUG_T *debug;
	int level;
{
	return sm_debug_loadlevel(debug) >= level;
}

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Editing: debug.c

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