diff options
Diffstat (limited to 'xorg-server/os/mitauth.c')
-rw-r--r-- | xorg-server/os/mitauth.c | 394 |
1 files changed, 197 insertions, 197 deletions
diff --git a/xorg-server/os/mitauth.c b/xorg-server/os/mitauth.c index 8dfb42be6..477736ee8 100644 --- a/xorg-server/os/mitauth.c +++ b/xorg-server/os/mitauth.c @@ -1,197 +1,197 @@ -/*
-
-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.
-
-*/
-
-/*
- * MIT-MAGIC-COOKIE-1 authorization scheme
- * Author: Keith Packard, MIT X Consortium
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include "os.h"
-#include "osdep.h"
-#include "dixstruct.h"
-
-static struct auth {
- struct auth *next;
- unsigned short len;
- char *data;
- XID id;
-} *mit_auth;
-
-int
-MitAddCookie (
- unsigned short data_length,
- const char *data,
- XID id)
-{
- struct auth *new;
-
- new = malloc(sizeof (struct auth));
- if (!new)
- return 0;
- new->data = malloc((unsigned) data_length);
- if (!new->data) {
- free(new);
- return 0;
- }
- new->next = mit_auth;
- mit_auth = new;
- memmove(new->data, data, (int) data_length);
- new->len = data_length;
- new->id = id;
- return 1;
-}
-
-XID
-MitCheckCookie (
- unsigned short data_length,
- const char *data,
- ClientPtr client,
- char **reason)
-{
- struct auth *auth;
-
- for (auth = mit_auth; auth; auth=auth->next) {
- if (data_length == auth->len &&
- memcmp (data, auth->data, (int) data_length) == 0)
- return auth->id;
- }
- *reason = "Invalid MIT-MAGIC-COOKIE-1 key";
- return (XID) -1;
-}
-
-int
-MitResetCookie (void)
-{
- struct auth *auth, *next;
-
- for (auth = mit_auth; auth; auth=next) {
- next = auth->next;
- free(auth->data);
- free(auth);
- }
- mit_auth = 0;
- return 0;
-}
-
-XID
-MitToID (
- unsigned short data_length,
- char *data)
-{
- struct auth *auth;
-
- for (auth = mit_auth; auth; auth=auth->next) {
- if (data_length == auth->len &&
- memcmp (data, auth->data, data_length) == 0)
- return auth->id;
- }
- return (XID) -1;
-}
-
-int
-MitFromID (
- XID id,
- unsigned short *data_lenp,
- char **datap)
-{
- struct auth *auth;
-
- for (auth = mit_auth; auth; auth=auth->next) {
- if (id == auth->id) {
- *data_lenp = auth->len;
- *datap = auth->data;
- return 1;
- }
- }
- return 0;
-}
-
-int
-MitRemoveCookie (
- unsigned short data_length,
- const char *data)
-{
- struct auth *auth, *prev;
-
- prev = 0;
- for (auth = mit_auth; auth; prev = auth, auth=auth->next) {
- if (data_length == auth->len &&
- memcmp (data, auth->data, data_length) == 0)
- {
- if (prev)
- prev->next = auth->next;
- else
- mit_auth = auth->next;
- free(auth->data);
- free(auth);
- return 1;
- }
- }
- return 0;
-}
-
-#ifdef XCSECURITY
-
-static char cookie[16]; /* 128 bits */
-
-XID
-MitGenerateCookie (
- unsigned data_length,
- const char *data,
- XID id,
- unsigned *data_length_return,
- char **data_return)
-{
- int i = 0;
- int status;
-
- while (data_length--)
- {
- cookie[i++] += *data++;
- if (i >= sizeof (cookie)) i = 0;
- }
- GenerateRandomData(sizeof (cookie), cookie);
- status = MitAddCookie(sizeof (cookie), cookie, id);
- if (!status)
- {
- id = -1;
- }
- else
- {
- *data_return = cookie;
- *data_length_return = sizeof (cookie);
- }
- return id;
-}
-
-#endif /* XCSECURITY */
+/* + +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. + +*/ + +/* + * MIT-MAGIC-COOKIE-1 authorization scheme + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include "os.h" +#include "osdep.h" +#include "dixstruct.h" + +static struct auth { + struct auth *next; + unsigned short len; + char *data; + XID id; +} *mit_auth; + +int +MitAddCookie ( + unsigned short data_length, + const char *data, + XID id) +{ + struct auth *new; + + new = malloc(sizeof (struct auth)); + if (!new) + return 0; + new->data = malloc((unsigned) data_length); + if (!new->data) { + free(new); + return 0; + } + new->next = mit_auth; + mit_auth = new; + memmove(new->data, data, (int) data_length); + new->len = data_length; + new->id = id; + return 1; +} + +XID +MitCheckCookie ( + unsigned short data_length, + const char *data, + ClientPtr client, + const char **reason) +{ + struct auth *auth; + + for (auth = mit_auth; auth; auth=auth->next) { + if (data_length == auth->len && + memcmp (data, auth->data, (int) data_length) == 0) + return auth->id; + } + *reason = "Invalid MIT-MAGIC-COOKIE-1 key"; + return (XID) -1; +} + +int +MitResetCookie (void) +{ + struct auth *auth, *next; + + for (auth = mit_auth; auth; auth=next) { + next = auth->next; + free(auth->data); + free(auth); + } + mit_auth = 0; + return 0; +} + +XID +MitToID ( + unsigned short data_length, + char *data) +{ + struct auth *auth; + + for (auth = mit_auth; auth; auth=auth->next) { + if (data_length == auth->len && + memcmp (data, auth->data, data_length) == 0) + return auth->id; + } + return (XID) -1; +} + +int +MitFromID ( + XID id, + unsigned short *data_lenp, + char **datap) +{ + struct auth *auth; + + for (auth = mit_auth; auth; auth=auth->next) { + if (id == auth->id) { + *data_lenp = auth->len; + *datap = auth->data; + return 1; + } + } + return 0; +} + +int +MitRemoveCookie ( + unsigned short data_length, + const char *data) +{ + struct auth *auth, *prev; + + prev = 0; + for (auth = mit_auth; auth; prev = auth, auth=auth->next) { + if (data_length == auth->len && + memcmp (data, auth->data, data_length) == 0) + { + if (prev) + prev->next = auth->next; + else + mit_auth = auth->next; + free(auth->data); + free(auth); + return 1; + } + } + return 0; +} + +#ifdef XCSECURITY + +static char cookie[16]; /* 128 bits */ + +XID +MitGenerateCookie ( + unsigned data_length, + const char *data, + XID id, + unsigned *data_length_return, + char **data_return) +{ + int i = 0; + int status; + + while (data_length--) + { + cookie[i++] += *data++; + if (i >= sizeof (cookie)) i = 0; + } + GenerateRandomData(sizeof (cookie), cookie); + status = MitAddCookie(sizeof (cookie), cookie, id); + if (!status) + { + id = -1; + } + else + { + *data_return = cookie; + *data_length_return = sizeof (cookie); + } + return id; +} + +#endif /* XCSECURITY */ |