summaryrefslogtreecommitdiffstats
path: root/kdm/backend/sessreg.c
diff options
context:
space:
mode:
Diffstat (limited to 'kdm/backend/sessreg.c')
-rw-r--r--kdm/backend/sessreg.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/kdm/backend/sessreg.c b/kdm/backend/sessreg.c
deleted file mode 100644
index b507f8141..000000000
--- a/kdm/backend/sessreg.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
-
-Copyright 1990, 1998 The Open Group
-Copyright 2005 Oswald Buddenhagen <ossi@kde.org>
-
-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 OPEN GROUP 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 The Open Group 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 Open Group.
-
-*/
-
-/*
-
- Author: Keith Packard, MIT X Consortium
- Lastlog support and dynamic utmp entry allocation
- by Andreas Stolcke <stolcke@icsi.berkeley.edu>
-
-*/
-
-#define _FILE_OFFSET_BITS 64
-#include "dm.h"
-#include "dm_error.h"
-
-#if defined(__svr4__) || defined(__Lynx__) || defined(__QNX__) || defined(__APPLE__) || defined(_SEQUENT_) /*|| defined(USE_PAM)*/
-# define NO_LASTLOG
-#endif
-
-#ifndef NO_LASTLOG
-# ifdef HAVE_LASTLOG_H
-# include <lastlog.h>
-# endif
-# ifndef LLOG_FILE
-# ifdef _PATH_LASTLOGX
-# define LLOG_FILE _PATH_LASTLOGX
-# elif defined(_PATH_LASTLOG)
-# define LLOG_FILE _PATH_LASTLOG
-# else
-# define LLOG_FILE "/usr/adm/lastlog"
-# endif
-# endif
-#endif
-
-#if !defined(__svr4__) && !defined(__QNX__)
-# define SESSREG_HOST
-#endif
-
-#ifdef BSD
-# if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
-/* *BSD doesn't like a ':0' type entry in utmp */
-# define NO_UTMP
-# endif
-#endif
-
-#ifdef BSD_UTMP
-# ifndef TTYS_FILE
-# define TTYS_FILE "/etc/ttys"
-# endif
-#endif
-
-#ifdef _AIX
-# define UTL_PFX "xdm/"
-# define UTL_OFF strlen(UTL_PFX)
-#else
-# define UTL_OFF 0
-#endif
-
-#ifndef BSD_UTMP
-static unsigned
-crc32s( const unsigned char *str )
-{
- int b;
- unsigned crc = 0xffffffff, by;
-
- for (; *str; str++) {
- by = (crc & 255) ^ *str;
- for (b = 0; b < 8; b++)
- by = (by >> 1) ^ (-(by & 1) & 0xedb88320);
- crc = (crc >> 8) ^ by;
- }
- return crc;
-}
-#endif
-
-void
-sessreg( struct display *d, int pid, const char *user, int uid )
-{
- char *dot, *colon;
- int left, clen;
-#ifdef BSD_UTMP
- FILE *ttys;
- int utmp, slot, freeslot;
- STRUCTUTMP entry;
-#else
- unsigned crc, i;
-#endif
- int wtmp, c;
-#ifndef NO_LASTLOG
- int llog;
- struct LASTLOG ll;
-#endif
- STRUCTUTMP ut_ent;
-
- if (!d->useSessReg)
- return;
-
- bzero( &ut_ent, sizeof(ut_ent) );
-
- if (pid) {
- strncpy( ut_ent.ut_user, user, sizeof(ut_ent.ut_user) );
-#ifndef BSD_UTMP
- ut_ent.ut_pid = pid;
- ut_ent.ut_type = USER_PROCESS;
- } else {
- ut_ent.ut_type = DEAD_PROCESS;
-#endif
- }
- ut_ent.ut_time = time( 0 );
-
- colon = strchr( d->name, ':' );
- clen = strlen( colon );
- if (clen > (int)(sizeof(ut_ent.ut_line) - UTL_OFF) - 2)
- return; /* uhm, well ... */
- if (colon == d->name) {
-#ifndef BSD_UTMP
- strncpy( ut_ent.ut_id, d->name, sizeof(ut_ent.ut_id) );
-#endif
- left = 0;
- } else {
-#ifdef SESSREG_HOST
-# ifndef BSD_UTMP
- if (pid)
-# endif
- {
- if (colon - d->name > (int)sizeof(ut_ent.ut_host)) {
- ut_ent.ut_host[0] = '~';
- memcpy( ut_ent.ut_host + 1,
- colon - (sizeof(ut_ent.ut_host) - 1),
- sizeof(ut_ent.ut_host) - 1 );
- } else
- memcpy( ut_ent.ut_host, d->name, colon - d->name );
- }
-#endif
-#ifndef BSD_UTMP
- crc = crc32s( d->name );
- ut_ent.ut_id[0] = crc % 26 + 'A';
- crc /= 26;
- for (i = 1; i < sizeof(ut_ent.ut_id); i++) {
- c = crc % 62;
- crc /= 62;
- ut_ent.ut_id[i] = c < 26 ? c + 'A' :
- c < 52 ? c - 26 + 'a' : c - 52 + '0';
- }
-#endif
- left = sizeof(ut_ent.ut_line) - UTL_OFF - clen;
- if (colon - d->name <= left) {
- clen += colon - d->name;
- colon = d->name;
- left = 0;
- } else {
- dot = strchr( d->name, '.' );
- if (dot && dot - d->name < left) {
- memcpy( ut_ent.ut_line + UTL_OFF, d->name, left - 1 );
- ut_ent.ut_line[UTL_OFF + left - 1] = '~';
- } else {
- memcpy( ut_ent.ut_line + UTL_OFF, d->name, left/2 - 1 );
- ut_ent.ut_line[UTL_OFF + left/2 - 1] = '~';
- if (dot) {
- memcpy( ut_ent.ut_line + UTL_OFF + left/2,
- dot - (left - left/2 - 1),
- left - left/2 - 1 );
- ut_ent.ut_line[UTL_OFF + left - 1] = '~';
- } else
- memcpy( ut_ent.ut_line + UTL_OFF + left/2,
- colon - (left - left/2), left - left/2 );
- }
- }
- }
-#ifdef UTL_PFX
- memcpy( ut_ent.ut_line, UTL_PFX, UTL_OFF );
-#endif
- memcpy( ut_ent.ut_line + UTL_OFF + left, colon, clen );
-
-#ifndef NO_UTMP
-# ifdef BSD_UTMP
- if ((utmp = open( UTMP_FILE, O_RDWR )) < 0)
- Debug( "cannot open utmp file " UTMP_FILE ": %m\n" );
- else {
-
- slot = 1;
- if (pid) {
- if (!(ttys = fopen( TTYS_FILE, "r" )))
- LogWarn( "Cannot open tty file " TTYS_FILE ": %m\n" );
- else {
- int column0 = 1;
- while ((c = getc( ttys )) != EOF)
- if (c == '\n') {
- slot++;
- column0 = 1;
- } else
- column0 = 0;
- if (!column0)
- slot++;
- fclose( ttys );
- }
- }
- freeslot = -1;
- lseek( utmp, slot * sizeof(entry), SEEK_SET );
- while (read( utmp, (char *)&entry, sizeof(entry) ) == sizeof(entry)) {
- if (!strncmp( entry.ut_line, ut_ent.ut_line,
- sizeof(entry.ut_line) ))
-# ifdef SESSREG_HOST
- if (!strncmp( entry.ut_host, ut_ent.ut_host,
- sizeof(entry.ut_host) ))
-# endif
- goto found;
- if (freeslot < 0 && *entry.ut_user == '\0')
- freeslot = slot;
- slot++;
- }
- if (!pid) {
- Debug( "utmp entry for display %s vanished\n", d->name );
- goto skip;
- }
- if (freeslot >= 0)
- slot = freeslot;
- found:
-
-# ifdef SESSREG_HOST
- if (!pid)
- bzero( ut_ent.ut_host, sizeof(ut_ent.ut_host) );
-# endif
- lseek( utmp, slot * sizeof(ut_ent), SEEK_SET );
- if (write( utmp, (char *)&ut_ent, sizeof(ut_ent) ) != sizeof(ut_ent))
- LogError( "Cannot write utmp file " UTMP_FILE ": %m\n" );
- skip:
- close( utmp );
- }
-# else
- UTMPNAME( UTMP_FILE );
- SETUTENT();
- PUTUTLINE( &ut_ent );
- ENDUTENT();
-# endif
-#endif
-
- if ((wtmp = open( WTMP_FILE, O_WRONLY|O_APPEND )) < 0)
- Debug( "cannot open wtmp file " WTMP_FILE ": %m\n" );
- else {
- if (write( wtmp, (char *)&ut_ent, sizeof(ut_ent) ) != sizeof(ut_ent))
- LogError( "Cannot write wtmp file " WTMP_FILE ": %m\n" );
- close( wtmp );
- }
-
-#ifndef NO_LASTLOG
- if (pid) {
- bzero( (char *)&ll, sizeof(ll) );
- ll.ll_time = ut_ent.ut_time;
- memcpy( ll.ll_line, ut_ent.ut_line, sizeof(ll.ll_line) );
- memcpy( ll.ll_host, ut_ent.ut_host, sizeof(ll.ll_host) );
-# ifdef HAVE_UTMPX
- updlastlogx( LLOG_FILE, uid, &ll );
-# else
- if ((llog = open( LLOG_FILE, O_RDWR )) < 0)
- Debug( "cannot open lastlog file " LLOG_FILE ": %m\n" );
- else {
- lseek( llog, (off_t)uid * sizeof(ll), SEEK_SET );
- if (write( llog, (char *)&ll, sizeof(ll) ) != sizeof(ll))
- LogError( "Cannot write llog file " WTMP_FILE ": %m\n" );
- close( llog );
- }
-# endif
- }
-#else
- (void)uid;
-#endif
-
-#ifdef UTL_PFX
- {
- char tmp[sizeof("/dev/") + sizeof(ut_ent.ut_line)];
- mkdir( "/dev/" UTL_PFX, 0755 );
- chmod( "/dev/" UTL_PFX, 0755 );
- sprintf( tmp, "/dev/%.*s", sizeof(ut_ent.ut_line), ut_ent.ut_line );
- if (pid)
- close( creat( tmp, 0644 ) );
- else
- unlink( tmp );
- }
-#endif
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-08-29 05:09:41 +0000