Part 2 of prior commit

1 files changed, 0 insertions, 637 deletions

diff --git a/kdm/backend/util.c b/kdm/backend/util.c
deleted file mode 100644
index 7dd58f031..000000000
--- a/kdm/backend/util.c
+++ /dev/null
@@ -1,637 +0,0 @@
-/*
-
-Copyright 1989, 1998  The Open Group
-Copyright 2000-2005 Oswald Buddenhagen <[email protected]>
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of a copyright holder shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from the copyright holder.
-
-*/
-
-/*
- * xdm - display manager daemon
- * Author: Keith Packard, MIT X Consortium
- *
- * various utility routines
- */
-
-#include "dm.h"
-#include "dm_auth.h"
-#include "dm_error.h"
-
-#include <string.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#if 0 /*def USG; this was hpux once upon a time */
-# define NEED_UTSNAME
-#endif
-
-#ifdef NEED_UTSNAME
-# include <sys/utsname.h>
-#endif
-
-void *
-Calloc( size_t nmemb, size_t size )
-{
-	void *ret;
-
-	if (!(ret = calloc( nmemb, size )))
-		LogOutOfMem();
-	return ret;
-}
-
-void *
-Malloc( size_t size )
-{
-	void *ret;
-
-	if (!(ret = malloc( size )))
-		LogOutOfMem();
-	return ret;
-}
-
-void *
-Realloc( void *ptr, size_t size )
-{
-	void *ret;
-
-	if (!(ret = realloc( ptr, size )) && size)
-		LogOutOfMem();
-	return ret;
-}
-
-int
-StrCmp( const char *s1, const char *s2 )
-{
-	if (s1 == s2)
-		return 0;
-	if (!s1)
-		return -1;
-	if (!s2)
-		return 1;
-	return strcmp( s1, s2 );
-}
-
-void
-WipeStr( char *str )
-{
-	if (str) {
-		bzero( str, strlen( str ) );
-		free( str );
-	}
-}
-
-#ifndef HAVE_STRNLEN
-int
-StrNLen( const char *s, int max )
-{
-	unsigned l;
-
-	for (l = 0; l < (unsigned)max && s[l]; l++);
-	return l;
-}
-#endif
-
-/* duplicate src; wipe & free old dst string */
-int
-ReStrN( char **dst, const char *src, int len )
-{
-	char *ndst = 0;
-
-	if (src) {
-		if (len < 0)
-			len = strlen( src );
-		if (*dst && !memcmp( *dst, src, len ) && !(*dst)[len])
-			return 1;
-		if (!(ndst = Malloc( len + 1 ))) {
-			WipeStr( *dst );
-			*dst = 0;
-			return 0;
-		}
-		memcpy( ndst, src, len );
-		ndst[len] = 0;
-	}
-	WipeStr( *dst ); /* make an option, if we should become heavily used */
-	*dst = ndst;
-	return 2;
-}
-
-int
-ReStr( char **dst, const char *src )
-{
-	return ReStrN( dst, src, -1 );
-}
-
-/* duplicate src */
-int
-StrNDup( char **dst, const char *src, int len )
-{
-	if (src) {
-		if (len < 0)
-			len = strlen( src );
-		if (!(*dst = Malloc( len + 1 )))
-			return 0;
-		memcpy( *dst, src, len );
-		(*dst)[len] = 0;
-	} else
-		*dst = 0;
-	return 1;
-}
-
-int
-StrDup( char **dst, const char *src )
-{
-	return StrNDup( dst, src, -1 );
-}
-
-/* append any number of strings to dst */
-int
-StrApp( char **dst, ... )
-{
-	int len;
-	char *bk, *pt, *dp;
-	va_list va;
-
-	len = 1;
-	if (*dst)
-		len += strlen( *dst );
-	va_start( va, dst );
-	for (;;) {
-		pt = va_arg( va, char * );
-		if (!pt)
-			break;
-		len += strlen( pt );
-	}
-	va_end( va );
-	if (!(bk = Malloc( len ))) {
-		if (*dst) {
-			free( *dst );
-			*dst = 0;
-		}
-		return 0;
-	}
-	dp = bk;
-	if (*dst) {
-		len = strlen( *dst );
-		memcpy( dp, *dst, len );
-		dp += len;
-		free( *dst );
-	}
-	va_start( va, dst );
-	for (;;) {
-		pt = va_arg( va, char * );
-		if (!pt)
-			break;
-		len = strlen( pt );
-		memcpy( dp, pt, len );
-		dp += len;
-	}
-	va_end( va );
-	*dp = '\0';
-	*dst = bk;
-	return 1;
-}
-
-
-char **
-initStrArr( char **arr )
-{
-	if (!arr && (arr = Malloc( sizeof(char *) )))
-		arr[0] = 0;
-	return arr;
-}
-
-int
-arrLen( char **arr )
-{
-	int nu = 0;
-	if (arr)
-		for (; arr[nu]; nu++);
-	return nu;
-}
-
-static char **
-extStrArr( char **arr, char ***strp )
-{
-	char **rarr;
-	int nu;
-
-	nu = arrLen( arr );
-	if ((rarr = Realloc( arr, sizeof(char *) * (nu + 2) ))) {
-		rarr[nu + 1] = 0;
-		*strp = rarr + nu;
-		return rarr;
-	}
-	freeStrArr( arr );
-	return 0;
-}
-
-char **
-addStrArr( char **arr, const char *str, int len )
-{
-	char **strp;
-
-	if ((arr = extStrArr( arr, &strp ))) {
-		if (StrNDup( strp, str, len ))
-			return arr;
-		freeStrArr( arr );
-	}
-	return 0;
-}
-
-char **
-xCopyStrArr( int rn, char **arr )
-{
-	char **rarr;
-	int nu;
-
-	nu = arrLen( arr );
-	if ((rarr = Calloc( sizeof(char *), nu + rn + 1 )))
-		memcpy( rarr + rn, arr, sizeof(char *) * nu );
-	return rarr;
-}
-
-void
-freeStrArr( char **arr )
-{
-	char **a;
-
-	if (arr) {
-		for (a = arr; *a; a++)
-			free( *a );
-		free( arr );
-	}
-}
-
-
-char **
-parseArgs( char **argv, const char *string )
-{
-	const char *word;
-	char **strp, *str;
-	int wlen;
-
-	if (!(argv = initStrArr( argv )))
-		return 0;
-	while (*string) {
-		if (isspace( *string )) {
-			string++;
-			continue;
-		}
-		word = string;
-		wlen = 0;
-		do {
-			if (*string == '\\') {
-				if (!*++string)
-					string--;
-				wlen++;
-			} else if (*string == '\'') {
-				while (*++string != '\'' && *string)
-					wlen++;
-			} else if (*string == '"') {
-				while (*++string != '"' && *string) {
-					if (*string == '\\') {
-						if (!*++string)
-							string--;
-					}
-					wlen++;
-				}
-			} else
-				wlen++;
-		} while (*++string && !isspace( *string ));
-		if (!(argv = extStrArr( argv, &strp )))
-			return 0;
-		if (!(*strp = str = Malloc( wlen + 1 ))) {
-			freeStrArr( argv );
-			return 0;
-		}
-		do {
-			if (*word == '\\') {
-				if (!*++word)
-					word--;
-				*str++ = *word;
-			} else if (*word == '\'') {
-				while (*++word != '\'' && *word)
-					*str++ = *word;
-			} else if (*word == '"') {
-				while (*++word != '"' && *word) {
-					if (*word == '\\') {
-						if (!*++word)
-							word--;
-					}
-					*str++ = *word;
-				}
-			} else
-				*str++ = *word;
-		} while (*++word && !isspace( *word ));
-		*str = 0;
-	}
-	return argv;
-}
-
-
-const char *
-getEnv( char **e, const char *name )
-{
-	if (e) {
-		int l = strlen( name );
-		for (; *e; e++)
-			if (!memcmp( *e, name, l ) && (*e)[l] == '=')
-				return (*e) + l + 1;
-	}
-	return 0;
-}
-
-char **
-setEnv( char **e, const char *name, const char *value )
-{
-	char **new, **old;
-	char *newe;
-	int envsize;
-	int l;
-
-#ifdef _AIX
-	/* setpenv() depends on "SYSENVIRON:", not "SYSENVIRON:=" */
-	if (!value) {
-		if (!StrDup( &newe, name ))
-			return e;
-	} else
-#endif
-	{
-		newe = 0;
-		if (!StrApp( &newe, name, "=", value, (char *)0 ))
-			return e;
-	}
-	envsize = 0;
-	if (e) {
-		l = strlen( name );
-		for (old = e; *old; old++)
-			if (!memcmp( *old, name, l ) && ((*old)[l] == '=' || !(*old)[l]))
-			{
-				free( *old );
-				*old = newe;
-				return e;
-			}
-		envsize = old - e;
-	}
-	if (!(new = (char **)
-	      Realloc( (char *)e, (unsigned)((envsize + 2) * sizeof(char *)) )))
-	{
-		free( newe );
-		return e;
-	}
-	new[envsize] = newe;
-	new[envsize + 1] = 0;
-	return new;
-}
-
-char **
-putEnv( const char *string, char **env )
-{
-	char *n;
-	char *b;
-
-	if (!(b = strchr( string, '=' )))
-		return NULL;
-	if (!StrNDup( &n, string, b - string ))
-		return NULL;
-	env = setEnv( env, n, b + 1 );
-	free( n );
-	return env;
-}
-
-static int
-GetHostname( char *buf, int maxlen )
-{
-	int len;
-
-#ifdef NEED_UTSNAME
-	/*
-	 * same host name crock as in server and xinit.
-	 */
-	struct utsname name;
-
-	uname( &name );
-	len = strlen( name.nodename );
-	if (len >= maxlen) len = maxlen - 1;
-	memcpy( buf, name.nodename, len );
-	buf[len] = '\0';
-#else
-	buf[0] = '\0';
-	(void)gethostname( buf, maxlen );
-	buf[maxlen - 1] = '\0';
-	len = strlen( buf );
-#endif /* NEED_UTSNAME */
-	return len;
-}
-
-static char localHostbuf[256];
-static int gotLocalHostname;
-
-const char *
-localHostname( void )
-{
-	if (!gotLocalHostname)
-	{
-		GetHostname( localHostbuf, sizeof(localHostbuf) - 1 );
-		gotLocalHostname = 1;
-	}
-	return localHostbuf;
-}
-
-static int
-AtomicIO( ssize_t (*f)( int, void *, size_t ), int fd, void *buf, int count )
-{
-	int ret, rlen;
-
-	for (rlen = 0; rlen < count; ) {
-	  dord:
-		ret = f( fd, (void *)((char *)buf + rlen), count - rlen );
-		if (ret < 0) {
-			if (errno == EINTR)
-				goto dord;
-			if (errno == EAGAIN)
-				break;
-			return -1;
-		}
-		if (!ret)
-			break;
-		rlen += ret;
-	}
-	return rlen;
-}
-
-int
-Reader( int fd, void *buf, int count )
-{
-	return AtomicIO( read, fd, buf, count );
-}
-
-int
-Writer( int fd, const void *buf, int count )
-{
-	return AtomicIO( (ssize_t(*)( int, void *, size_t ))write,
-	                 fd, (void *)buf, count );
-}
-
-int
-fGets( char *buf, int max, FILE *f )
-{
-	int len;
-
-	if (!fgets( buf, max, f ))
-		return -1;
-	len = strlen( buf );
-	if (len && buf[len - 1] == '\n')
-		buf[--len] = 0;
-	return len;
-}
-
-time_t
-mTime( const char *fn )
-{
-	struct stat st;
-
-	if (stat( fn, &st ))
-		return -1;
-	else
-		return st.st_mtime;
-}
-
-void
-randomStr( char *s )
-{
-	static const char letters[] =
-		"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-	unsigned i, rn = secureRandom();
-
-	for (i = 0; i < 6; i++) {
-		*s++ = letters[rn % 62];
-		rn /= 62;
-	}
-	*s = 0;
-}
-
-static int
-StrNChrCnt( const char *s, int slen, char c )
-{
-	int i, cnt;
-
-	for (i = cnt = 0; i < slen && s[i]; i++)
-		if (s[i] == c)
-			cnt++;
-	return cnt;
-}
-
-/* X -from ip6-addr does not work here, so i don't know whether this is needed.
-#define IP6_MAGIC
-*/
-
-void
-ListSessions( int flags, struct display *d, void *ctx,
-              void (*emitXSess)( struct display *, struct display *, void * ),
-              void (*emitTTYSess)( STRUCTUTMP *, struct display *, void * ) )
-{
-	struct display *di;
-#ifdef IP6_MAGIC
-	int le, dot;
-#endif
-#ifdef BSD_UTMP
-	int fd;
-	struct utmp ut[1];
-#else
-	STRUCTUTMP *ut;
-#endif
-
-	for (di = displays; di; di = di->next)
-		if (((flags & lstRemote) || (di->displayType & d_location) == dLocal) &&
-		    (di->status == remoteLogin ||
-		     ((flags & lstPassive) ? di->status == running : di->userSess >= 0)))
-			emitXSess( di, d, ctx );
-
-	if (!(flags & lstTTY))
-		return;
-
-#ifdef BSD_UTMP
-	if ((fd = open( UTMP_FILE, O_RDONLY )) < 0)
-		return;
-	while (Reader( fd, ut, sizeof(ut[0]) ) == sizeof(ut[0])) {
-		if (*ut->ut_user) {	/* no idea how to list passive TTYs on BSD */
-#else
-	SETUTENT();
-	while ((ut = GETUTENT())) {
-		if (ut->ut_type == USER_PROCESS
-# if 0 /* list passive TTYs at all? not too sensible, i think. */
-		    || ((flags & lstPassive) && ut->ut_type == LOGIN_PROCESS)
-# endif
-		   )
-		{
-#endif
-			if (*ut->ut_host) { /* from remote or x */
-				if (!(flags & lstRemote))
-					continue;
-			} else {
-				/* hack around broken konsole which does not set ut_host. */
-				/* this check is probably linux-specific. */
-				/* alternatively we could open the device and try VT_OPENQRY. */
-				if (memcmp( ut->ut_line, "tty", 3 ) ||
-				    !isdigit( ut->ut_line[3] ))
-					continue;
-			}
-			if (StrNChrCnt( ut->ut_line, sizeof(ut->ut_line), ':' ))
-				continue; /* x login */
-			switch (StrNChrCnt( ut->ut_host, sizeof(ut->ut_host), ':' )) {
-			case 1: /* x terminal */
-				continue;
-			default:
-#ifdef IP6_MAGIC
-				/* unknown - IPv6 makes things complicated */
-				le = StrNLen( ut->ut_host, sizeof(ut->ut_host) );
-				/* cut off screen number */
-				for (dot = le; ut->ut_host[--dot] != ':'; )
-					if (ut->ut_host[dot] == '.') {
-						le = dot;
-						break;
-					}
-				for (di = displays; di; di = di->next)
-					if (!memcmp( di->name, ut->ut_host, le ) && !di->name[le])
-						goto cont; /* x terminal */
-				break;
-			  cont:
-				continue;
-			case 0: /* no x terminal */
-#endif
-				break;
-			}
-			emitTTYSess( ut, d, ctx );
-		}
-	}
-#ifdef BSD_UTMP
-	close( fd );
-#else
-	ENDUTENT();
-#endif
-}
-