diff options
Diffstat (limited to 'libXau/AuRead.c')
| -rw-r--r-- | libXau/AuRead.c | 217 |
1 files changed, 107 insertions, 110 deletions
diff --git a/libXau/AuRead.c b/libXau/AuRead.c index 9979c1dfc..09e454336 100644 --- a/libXau/AuRead.c +++ b/libXau/AuRead.c @@ -1,110 +1,107 @@ -/* $Xorg: AuRead.c,v 1.4 2001/02/09 02:03:42 xorgcvs Exp $ */ - -/* - -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. - -*/ -/* $XFree86: xc/lib/Xau/AuRead.c,v 1.5 2001/07/25 15:04:48 dawes Exp $ */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/Xauth.h> -#include <stdlib.h> - -static int -read_short (unsigned short *shortp, FILE *file) -{ - unsigned char file_short[2]; - - if (fread ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) - return 0; - *shortp = file_short[0] * 256 + file_short[1]; - return 1; -} - -static int -read_counted_string (unsigned short *countp, char **stringp, FILE *file) -{ - unsigned short len; - char *data; - - if (read_short (&len, file) == 0) - return 0; - if (len == 0) { - data = NULL; - } else { - data = malloc ((unsigned) len); - if (!data) - return 0; - if (fread (data, (int) sizeof (char), (int) len, file) != len) { - bzero (data, len); - free (data); - return 0; - } - } - *stringp = data; - *countp = len; - return 1; -} - -Xauth * -XauReadAuth (FILE *auth_file) -{ - Xauth local; - Xauth *ret; - - if (read_short (&local.family, auth_file) == 0) - return NULL; - if (read_counted_string (&local.address_length, &local.address, auth_file) == 0) - return NULL; - if (read_counted_string (&local.number_length, &local.number, auth_file) == 0) { - if (local.address) free (local.address); - return NULL; - } - if (read_counted_string (&local.name_length, &local.name, auth_file) == 0) { - if (local.address) free (local.address); - if (local.number) free (local.number); - return NULL; - } - if (read_counted_string (&local.data_length, &local.data, auth_file) == 0) { - if (local.address) free (local.address); - if (local.number) free (local.number); - if (local.name) free (local.name); - return NULL; - } - ret = (Xauth *) malloc (sizeof (Xauth)); - if (!ret) { - if (local.address) free (local.address); - if (local.number) free (local.number); - if (local.name) free (local.name); - if (local.data) { - bzero (local.data, local.data_length); - free (local.data); - } - return NULL; - } - *ret = local; - return ret; -} +/*
+
+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 <stdlib.h>
+
+static int
+read_short (unsigned short *shortp, FILE *file)
+{
+ unsigned char file_short[2];
+
+ if (fread ((char *) file_short, (int) sizeof (file_short), 1, file) != 1)
+ return 0;
+ *shortp = file_short[0] * 256 + file_short[1];
+ return 1;
+}
+
+static int
+read_counted_string (unsigned short *countp, char **stringp, FILE *file)
+{
+ unsigned short len;
+ char *data;
+
+ if (read_short (&len, file) == 0)
+ return 0;
+ if (len == 0) {
+ data = NULL;
+ } else {
+ data = malloc ((unsigned) len);
+ if (!data)
+ return 0;
+ if (fread (data, (int) sizeof (char), (int) len, file) != len) {
+ bzero (data, len);
+ free (data);
+ return 0;
+ }
+ }
+ *stringp = data;
+ *countp = len;
+ return 1;
+}
+
+Xauth *
+XauReadAuth (FILE *auth_file)
+{
+ Xauth local;
+ Xauth *ret;
+
+ if (read_short (&local.family, auth_file) == 0)
+ return NULL;
+ if (read_counted_string (&local.address_length, &local.address, auth_file) == 0)
+ return NULL;
+ if (read_counted_string (&local.number_length, &local.number, auth_file) == 0) {
+ if (local.address) free (local.address);
+ return NULL;
+ }
+ if (read_counted_string (&local.name_length, &local.name, auth_file) == 0) {
+ if (local.address) free (local.address);
+ if (local.number) free (local.number);
+ return NULL;
+ }
+ if (read_counted_string (&local.data_length, &local.data, auth_file) == 0) {
+ if (local.address) free (local.address);
+ if (local.number) free (local.number);
+ if (local.name) free (local.name);
+ return NULL;
+ }
+ ret = (Xauth *) malloc (sizeof (Xauth));
+ if (!ret) {
+ if (local.address) free (local.address);
+ if (local.number) free (local.number);
+ if (local.name) free (local.name);
+ if (local.data) {
+ bzero (local.data, local.data_length);
+ free (local.data);
+ }
+ return NULL;
+ }
+ *ret = local;
+ return ret;
+}
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