diff options
Diffstat (limited to 'libXau')
| -rw-r--r-- | libXau/AuLock.c | 234 | ||||
| -rw-r--r-- | libXau/README | 6 | ||||
| -rw-r--r-- | libXau/configure.ac | 2 |
3 files changed, 121 insertions, 121 deletions
diff --git a/libXau/AuLock.c b/libXau/AuLock.c index 45d6b71a3..1eab79ae4 100644 --- a/libXau/AuLock.c +++ b/libXau/AuLock.c @@ -1,117 +1,117 @@ -/*
-
-Copyright 1988, 1998 The Open Group
-
-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.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <X11/Xauth.h>
-#include <X11/Xos.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <time.h>
-#define Time_t time_t
-#ifndef X_NOT_POSIX
-#include <unistd.h>
-#else
-#ifndef WIN32
-extern unsigned sleep ();
-#else
-#include <X11/Xwindows.h>
-#define link rename
-#endif
-#endif
-#ifdef __UNIXOS2__
-#define link rename
-#endif
-
-int
-XauLockAuth (
-_Xconst char *file_name,
-int retries,
-int timeout,
-long dead)
-{
- char creat_name[1025], link_name[1025];
- struct stat statb;
- Time_t now;
- int creat_fd = -1;
-
- if (strlen (file_name) > 1022)
- return LOCK_ERROR;
- (void) strcpy (creat_name, file_name);
- (void) strcat (creat_name, "-c");
- (void) strcpy (link_name, file_name);
- (void) strcat (link_name, "-l");
- if (stat (creat_name, &statb) != -1) {
- now = time ((Time_t *) 0);
- /*
- * NFS may cause ctime to be before now, special
- * case a 0 deadtime to force lock removal
- */
- if (dead == 0 || now - statb.st_ctime > dead) {
- (void) unlink (creat_name);
- (void) unlink (link_name);
- }
- }
-
- while (retries > 0) {
- if (creat_fd == -1) {
- creat_fd = open (creat_name, O_WRONLY | O_CREAT | O_EXCL, 0600);
- if (creat_fd == -1) {
- if (errno != EACCES)
- return LOCK_ERROR;
- } else
- (void) close (creat_fd);
- }
- if (creat_fd != -1) {
-#ifndef X_NOT_POSIX
- /* The file system may not support hard links, and pathconf should tell us that. */
- if (1 == pathconf(creat_name, _PC_LINK_MAX)) {
- if (-1 == rename(creat_name, link_name)) {
- /* Is this good enough? Perhaps we should retry. TEST */
- return LOCK_ERROR;
- } else {
- return LOCK_SUCCESS;
- }
- } else {
-#endif
- if (link (creat_name, link_name) != -1)
- return LOCK_SUCCESS;
- if (errno == ENOENT) {
- creat_fd = -1; /* force re-creat next time around */
- continue;
- }
- if (errno != EEXIST)
- return LOCK_ERROR;
-#ifndef X_NOT_POSIX
- }
-#endif
- }
- (void) sleep ((unsigned) timeout);
- --retries;
- }
- return LOCK_TIMEOUT;
-}
+/* + +Copyright 1988, 1998 The Open Group + +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. + +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Xauth.h> +#include <X11/Xos.h> +#include <sys/stat.h> +#include <errno.h> +#include <time.h> +#define Time_t time_t +#ifndef X_NOT_POSIX +#include <unistd.h> +#else +#ifndef WIN32 +extern unsigned sleep (); +#else +#include <X11/Xwindows.h> +#define link rename +#endif +#endif +#ifdef __UNIXOS2__ +#define link rename +#endif + +int +XauLockAuth ( +_Xconst char *file_name, +int retries, +int timeout, +long dead) +{ + char creat_name[1025], link_name[1025]; + struct stat statb; + Time_t now; + int creat_fd = -1; + + if (strlen (file_name) > 1022) + return LOCK_ERROR; + (void) strcpy (creat_name, file_name); + (void) strcat (creat_name, "-c"); + (void) strcpy (link_name, file_name); + (void) strcat (link_name, "-l"); + if (stat (creat_name, &statb) != -1) { + now = time ((Time_t *) 0); + /* + * NFS may cause ctime to be before now, special + * case a 0 deadtime to force lock removal + */ + if (dead == 0 || now - statb.st_ctime > dead) { + (void) unlink (creat_name); + (void) unlink (link_name); + } + } + + while (retries > 0) { + if (creat_fd == -1) { + creat_fd = open (creat_name, O_WRONLY | O_CREAT | O_EXCL, 0600); + if (creat_fd == -1) { + if (errno != EACCES) + return LOCK_ERROR; + } else + (void) close (creat_fd); + } + if (creat_fd != -1) { +#ifndef X_NOT_POSIX + /* The file system may not support hard links, and pathconf should tell us that. */ + if (1 == pathconf(creat_name, _PC_LINK_MAX)) { + if (-1 == rename(creat_name, link_name)) { + /* Is this good enough? Perhaps we should retry. TEST */ + return LOCK_ERROR; + } else { + return LOCK_SUCCESS; + } + } else { +#endif + if (link (creat_name, link_name) != -1) + return LOCK_SUCCESS; + if (errno == ENOENT) { + creat_fd = -1; /* force re-creat next time around */ + continue; + } + if (errno != EEXIST) + return LOCK_ERROR; +#ifndef X_NOT_POSIX + } +#endif + } + (void) sleep ((unsigned) timeout); + --retries; + } + return LOCK_TIMEOUT; +} diff --git a/libXau/README b/libXau/README index 9ee12e704..249a1a7a6 100644 --- a/libXau/README +++ b/libXau/README @@ -38,7 +38,7 @@ This scheme involves changes to the following parts of the sample release: - add entries to user's auth file - remove entries from user's auth file -This mechanism assumes that the superuser and the transport layer between +This mechanism assumes that the superuser and the transport layer between the client and the server is secure. @@ -46,7 +46,7 @@ Description The sample implementation will use the xdm Display Manager to set up and control the server's authorization file. Sites that do not run xdm will -need to build their own mechanisms. +need to build their own mechanisms. Xdm uses a random key (seeded by the system time and check sum of /dev/kmem) to generate a unique sequence of characters at 16 bytes long. This sequence @@ -130,7 +130,7 @@ There are three types of input: name non-NULL, data NULL - use the named authorization; get data from that mechanism's default. name non-NULL, data non-NULL - use the given authorization and data. - + This interface is used by xdm and might also be used by any other applications that wish to explicitly set the authorization information. diff --git a/libXau/configure.ac b/libXau/configure.ac index 09a872e05..c21fbcdb2 100644 --- a/libXau/configure.ac +++ b/libXau/configure.ac @@ -59,7 +59,7 @@ if test "x$xthreads" = "xyes" ; then AC_CHECK_LIB(nsl, gethostbyname_r, [mtsafe=yes]) fi if test "x$mtsafe" = "xyes" ; then - AC_DEFINE(XUSE_MTSAFE_API, 1, + AC_DEFINE(XUSE_MTSAFE_API, 1, [Whether libXau needs to use MT safe API's]) fi |