diff options
Diffstat (limited to 'libXext/src/XSecurity.c')
| -rw-r--r-- | libXext/src/XSecurity.c | 618 |
1 files changed, 309 insertions, 309 deletions
diff --git a/libXext/src/XSecurity.c b/libXext/src/XSecurity.c index 4ce7c4d01..f8c7da13b 100644 --- a/libXext/src/XSecurity.c +++ b/libXext/src/XSecurity.c @@ -1,309 +1,309 @@ -/*
-
-Copyright 1996, 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/Xlibint.h>
-#include <stdio.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
-#include <X11/extensions/securproto.h>
-#include <X11/extensions/security.h>
-
-static XExtensionInfo _Security_info_data;
-static XExtensionInfo *Security_info = &_Security_info_data;
-static char *Security_extension_name = SECURITY_EXTENSION_NAME;
-
-#define SecurityCheckExtension(dpy,i,val) \
- XextCheckExtension (dpy, i, Security_extension_name, val)
-#define SecuritySimpleCheckExtension(dpy,i) \
- XextSimpleCheckExtension (dpy, i, Security_extension_name)
-
-#define SecurityGetReq(name,req,info) GetReq (name, req); \
- req->reqType = info->codes->major_opcode; \
- req->securityReqType = X_##name;
-
-/*****************************************************************************
- * *
- * private utility routines *
- * *
- *****************************************************************************/
-
-/*
- * find_display - locate the display info block
- */
-static int close_display(Display *dpy, XExtCodes *codes);
-static Bool wire_to_event(Display *dpy, XEvent *event, xEvent *wire);
-static Status event_to_wire(Display *dpy, XEvent *event, xEvent *wire);
-static char *error_string(Display *dpy, int code, XExtCodes *codes,
- char *buf, int n);
-
-static XExtensionHooks Security_extension_hooks = {
- NULL, /* create_gc */
- NULL, /* copy_gc */
- NULL, /* flush_gc */
- NULL, /* free_gc */
- NULL, /* create_font */
- NULL, /* free_font */
- close_display, /* close_display */
- wire_to_event, /* wire_to_event */
- event_to_wire, /* event_to_wire */
- NULL, /* error */
- error_string /* error_string */
-};
-
-static char *security_error_list[] = {
- "BadAuthorization",
- "BadAuthorizationProtocol"
-};
-
-static XEXT_GENERATE_FIND_DISPLAY (find_display, Security_info,
- Security_extension_name,
- &Security_extension_hooks,
- XSecurityNumberEvents, NULL)
-
-static XEXT_GENERATE_CLOSE_DISPLAY (close_display, Security_info)
-
-static
-XEXT_GENERATE_ERROR_STRING(error_string, Security_extension_name,
- XSecurityNumberErrors, security_error_list)
-
-static Bool
-wire_to_event(Display *dpy, XEvent *event, xEvent *wire)
-{
- XExtDisplayInfo *info = find_display(dpy);
-
- SecurityCheckExtension (dpy, info, False);
-
- switch ((wire->u.u.type & 0x7F) - info->codes->first_event)
- {
- case XSecurityAuthorizationRevoked:
- {
- xSecurityAuthorizationRevokedEvent *rwire =
- (xSecurityAuthorizationRevokedEvent *)wire;
- XSecurityAuthorizationRevokedEvent *revent =
- (XSecurityAuthorizationRevokedEvent *)event;
-
- revent->type = rwire->type & 0x7F;
- revent->serial = _XSetLastRequestRead(dpy,
- (xGenericReply *) wire);
- revent->send_event = (rwire->type & 0x80) != 0;
- revent->display = dpy;
- revent->auth_id = rwire->authId;
- return True;
- }
- }
- return False;
-}
-
-static Status
-event_to_wire(Display *dpy, XEvent *event, xEvent *wire)
-{
- XExtDisplayInfo *info = find_display(dpy);
-
- SecurityCheckExtension(dpy, info, False);
-
- switch ((event->type & 0x7F) - info->codes->first_event)
- {
- case XSecurityAuthorizationRevoked:
- {
- xSecurityAuthorizationRevokedEvent *rwire =
- (xSecurityAuthorizationRevokedEvent *)wire;
- XSecurityAuthorizationRevokedEvent *revent =
- (XSecurityAuthorizationRevokedEvent *)event;
- rwire->type = revent->type | (revent->send_event ? 0x80 : 0);
- rwire->sequenceNumber = revent->serial & 0xFFFF;
- return True;
- }
- }
- return False;
-}
-
-/*****************************************************************************
- * *
- * Security public interfaces *
- * *
- *****************************************************************************/
-
-Status XSecurityQueryExtension (
- Display *dpy,
- int *major_version_return,
- int *minor_version_return)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xSecurityQueryVersionReply rep;
- register xSecurityQueryVersionReq *req;
-
- if (!XextHasExtension (info))
- return (Status)0; /* failure */
-
- LockDisplay (dpy);
- SecurityGetReq (SecurityQueryVersion, req, info);
- req->majorVersion = SECURITY_MAJOR_VERSION;
- req->minorVersion = SECURITY_MINOR_VERSION;
-
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return (Status)0; /* failure */
- }
- *major_version_return = rep.majorVersion;
- *minor_version_return = rep.minorVersion;
- UnlockDisplay (dpy);
-
- SyncHandle ();
-
- if (*major_version_return != SECURITY_MAJOR_VERSION)
- return (Status)0; /* failure */
- else
- return (Status)1; /* success */
-}
-
-Xauth *
-XSecurityAllocXauth(void)
-{
- return Xcalloc(1, sizeof(Xauth));
-}
-
-void
-XSecurityFreeXauth(Xauth *auth)
-{
- XFree(auth);
-}
-
-static int
-Ones(Mask mask)
-{
- register Mask y;
-
- y = (mask >> 1) &033333333333;
- y = mask - y - ((y >>1) & 033333333333);
- return (((y + (y >> 3)) & 030707070707) % 077);
-}
-
-Xauth *
-XSecurityGenerateAuthorization(
- Display *dpy,
- Xauth *auth_in,
- unsigned long valuemask,
- XSecurityAuthorizationAttributes *attributes,
- XSecurityAuthorization *auth_id_return)
-{
- XExtDisplayInfo *info = find_display (dpy);
- register xSecurityGenerateAuthorizationReq *req;
- xSecurityGenerateAuthorizationReply rep;
- Xauth *auth_return;
- unsigned long values[3];
- unsigned long *value = values;
- unsigned int nvalues;
-
- *auth_id_return = 0; /* in case we fail */
-
- /* make sure extension is available */
-
- SecurityCheckExtension (dpy, info, (Xauth *)NULL);
-
- LockDisplay(dpy);
- SecurityGetReq(SecurityGenerateAuthorization, req, info);
-
- req->nbytesAuthProto = auth_in->name_length;
- req->nbytesAuthData = auth_in->data_length;
-
- /* adjust length to account for auth name and data */
- req->length += (auth_in->name_length + (unsigned)3) >> 2;
- req->length += (auth_in->data_length + (unsigned)3) >> 2;
-
- /* adjust length to account for list of values */
- req->valueMask = valuemask & XSecurityAllAuthorizationAttributes;
- nvalues = Ones(req->valueMask);
- req->length += nvalues;
-
- /* send auth name and data */
- Data(dpy, auth_in->name, auth_in->name_length);
- Data(dpy, auth_in->data, auth_in->data_length);
-
- /* send values */
- if (valuemask & XSecurityTimeout) *value++ = attributes->timeout;
- if (valuemask & XSecurityTrustLevel) *value++ = attributes->trust_level;
- if (valuemask & XSecurityGroup) *value++ = attributes->group;
- if (valuemask & XSecurityEventMask) *value++ = attributes->event_mask;
-
- nvalues <<= 2;
- Data32(dpy, (long *)values, (long)nvalues);
-
- if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return (Xauth *)NULL;
- }
-
- *auth_id_return = rep.authId;
-
- /* Allocate space for the Xauth struct and the auth name and data all
- * in one hunk. This lets XSecurityFreeXauth not have to care
- * about whether the auth was allocated here or in
- * XSecurityAllocXauth; in both cases, you just free one pointer.
- */
-
- if ((auth_return = (Xauth *)Xcalloc(1,
- (sizeof(Xauth) + auth_in->name_length + rep.dataLength))))
- {
- auth_return->data_length = rep.dataLength;
- auth_return->data = (char *)&auth_return[1];
- _XReadPad(dpy, auth_return->data, (long)rep.dataLength);
-
- auth_return->name_length = auth_in->name_length;
- auth_return->name = auth_return->data + auth_return->data_length;
- memcpy(auth_return->name, auth_in->name, auth_return->name_length);
- }
- else
- {
- _XEatData(dpy, (unsigned long) (rep.dataLength + 3) & ~3);
- }
-
- UnlockDisplay (dpy);
- SyncHandle ();
- return auth_return;
-
-} /* XSecurityGenerateAuthorization */
-
-Status
-XSecurityRevokeAuthorization(
- Display *dpy,
- XSecurityAuthorization auth_id)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xSecurityRevokeAuthorizationReq *req;
-
- SecurityCheckExtension (dpy, info, 0);
- LockDisplay(dpy);
- SecurityGetReq(SecurityRevokeAuthorization, req, info);
- req->authId = auth_id;
- UnlockDisplay (dpy);
- SyncHandle ();
- return 1;
-} /* XSecurityRevokeAuthorization */
+/* + +Copyright 1996, 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/Xlibint.h> +#include <stdio.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> +#include <X11/extensions/securproto.h> +#include <X11/extensions/security.h> + +static XExtensionInfo _Security_info_data; +static XExtensionInfo *Security_info = &_Security_info_data; +static const char *Security_extension_name = SECURITY_EXTENSION_NAME; + +#define SecurityCheckExtension(dpy,i,val) \ + XextCheckExtension (dpy, i, Security_extension_name, val) +#define SecuritySimpleCheckExtension(dpy,i) \ + XextSimpleCheckExtension (dpy, i, Security_extension_name) + +#define SecurityGetReq(name,req,info) GetReq (name, req); \ + req->reqType = info->codes->major_opcode; \ + req->securityReqType = X_##name; + +/***************************************************************************** + * * + * private utility routines * + * * + *****************************************************************************/ + +/* + * find_display - locate the display info block + */ +static int close_display(Display *dpy, XExtCodes *codes); +static Bool wire_to_event(Display *dpy, XEvent *event, xEvent *wire); +static Status event_to_wire(Display *dpy, XEvent *event, xEvent *wire); +static char *error_string(Display *dpy, int code, XExtCodes *codes, + char *buf, int n); + +static XExtensionHooks Security_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + close_display, /* close_display */ + wire_to_event, /* wire_to_event */ + event_to_wire, /* event_to_wire */ + NULL, /* error */ + error_string /* error_string */ +}; + +static const char *security_error_list[] = { + "BadAuthorization", + "BadAuthorizationProtocol" +}; + +static XEXT_GENERATE_FIND_DISPLAY (find_display, Security_info, + Security_extension_name, + &Security_extension_hooks, + XSecurityNumberEvents, NULL) + +static XEXT_GENERATE_CLOSE_DISPLAY (close_display, Security_info) + +static +XEXT_GENERATE_ERROR_STRING(error_string, Security_extension_name, + XSecurityNumberErrors, security_error_list) + +static Bool +wire_to_event(Display *dpy, XEvent *event, xEvent *wire) +{ + XExtDisplayInfo *info = find_display(dpy); + + SecurityCheckExtension (dpy, info, False); + + switch ((wire->u.u.type & 0x7F) - info->codes->first_event) + { + case XSecurityAuthorizationRevoked: + { + xSecurityAuthorizationRevokedEvent *rwire = + (xSecurityAuthorizationRevokedEvent *)wire; + XSecurityAuthorizationRevokedEvent *revent = + (XSecurityAuthorizationRevokedEvent *)event; + + revent->type = rwire->type & 0x7F; + revent->serial = _XSetLastRequestRead(dpy, + (xGenericReply *) wire); + revent->send_event = (rwire->type & 0x80) != 0; + revent->display = dpy; + revent->auth_id = rwire->authId; + return True; + } + } + return False; +} + +static Status +event_to_wire(Display *dpy, XEvent *event, xEvent *wire) +{ + XExtDisplayInfo *info = find_display(dpy); + + SecurityCheckExtension(dpy, info, False); + + switch ((event->type & 0x7F) - info->codes->first_event) + { + case XSecurityAuthorizationRevoked: + { + xSecurityAuthorizationRevokedEvent *rwire = + (xSecurityAuthorizationRevokedEvent *)wire; + XSecurityAuthorizationRevokedEvent *revent = + (XSecurityAuthorizationRevokedEvent *)event; + rwire->type = revent->type | (revent->send_event ? 0x80 : 0); + rwire->sequenceNumber = revent->serial & 0xFFFF; + return True; + } + } + return False; +} + +/***************************************************************************** + * * + * Security public interfaces * + * * + *****************************************************************************/ + +Status XSecurityQueryExtension ( + Display *dpy, + int *major_version_return, + int *minor_version_return) +{ + XExtDisplayInfo *info = find_display (dpy); + xSecurityQueryVersionReply rep; + register xSecurityQueryVersionReq *req; + + if (!XextHasExtension (info)) + return (Status)0; /* failure */ + + LockDisplay (dpy); + SecurityGetReq (SecurityQueryVersion, req, info); + req->majorVersion = SECURITY_MAJOR_VERSION; + req->minorVersion = SECURITY_MINOR_VERSION; + + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return (Status)0; /* failure */ + } + *major_version_return = rep.majorVersion; + *minor_version_return = rep.minorVersion; + UnlockDisplay (dpy); + + SyncHandle (); + + if (*major_version_return != SECURITY_MAJOR_VERSION) + return (Status)0; /* failure */ + else + return (Status)1; /* success */ +} + +Xauth * +XSecurityAllocXauth(void) +{ + return Xcalloc(1, sizeof(Xauth)); +} + +void +XSecurityFreeXauth(Xauth *auth) +{ + XFree(auth); +} + +static int +Ones(Mask mask) +{ + register Mask y; + + y = (mask >> 1) &033333333333; + y = mask - y - ((y >>1) & 033333333333); + return (((y + (y >> 3)) & 030707070707) % 077); +} + +Xauth * +XSecurityGenerateAuthorization( + Display *dpy, + Xauth *auth_in, + unsigned long valuemask, + XSecurityAuthorizationAttributes *attributes, + XSecurityAuthorization *auth_id_return) +{ + XExtDisplayInfo *info = find_display (dpy); + register xSecurityGenerateAuthorizationReq *req; + xSecurityGenerateAuthorizationReply rep; + Xauth *auth_return; + unsigned long values[3]; + unsigned long *value = values; + unsigned int nvalues; + + *auth_id_return = 0; /* in case we fail */ + + /* make sure extension is available */ + + SecurityCheckExtension (dpy, info, (Xauth *)NULL); + + LockDisplay(dpy); + SecurityGetReq(SecurityGenerateAuthorization, req, info); + + req->nbytesAuthProto = auth_in->name_length; + req->nbytesAuthData = auth_in->data_length; + + /* adjust length to account for auth name and data */ + req->length += (auth_in->name_length + (unsigned)3) >> 2; + req->length += (auth_in->data_length + (unsigned)3) >> 2; + + /* adjust length to account for list of values */ + req->valueMask = valuemask & XSecurityAllAuthorizationAttributes; + nvalues = Ones(req->valueMask); + req->length += nvalues; + + /* send auth name and data */ + Data(dpy, auth_in->name, auth_in->name_length); + Data(dpy, auth_in->data, auth_in->data_length); + + /* send values */ + if (valuemask & XSecurityTimeout) *value++ = attributes->timeout; + if (valuemask & XSecurityTrustLevel) *value++ = attributes->trust_level; + if (valuemask & XSecurityGroup) *value++ = attributes->group; + if (valuemask & XSecurityEventMask) *value++ = attributes->event_mask; + + nvalues <<= 2; + Data32(dpy, (long *)values, (long)nvalues); + + if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) { + UnlockDisplay (dpy); + SyncHandle (); + return (Xauth *)NULL; + } + + *auth_id_return = rep.authId; + + /* Allocate space for the Xauth struct and the auth name and data all + * in one hunk. This lets XSecurityFreeXauth not have to care + * about whether the auth was allocated here or in + * XSecurityAllocXauth; in both cases, you just free one pointer. + */ + + if ((auth_return = (Xauth *)Xcalloc(1, + (sizeof(Xauth) + auth_in->name_length + rep.dataLength)))) + { + auth_return->data_length = rep.dataLength; + auth_return->data = (char *)&auth_return[1]; + _XReadPad(dpy, auth_return->data, (long)rep.dataLength); + + auth_return->name_length = auth_in->name_length; + auth_return->name = auth_return->data + auth_return->data_length; + memcpy(auth_return->name, auth_in->name, auth_return->name_length); + } + else + { + _XEatData(dpy, (unsigned long) (rep.dataLength + 3) & ~3); + } + + UnlockDisplay (dpy); + SyncHandle (); + return auth_return; + +} /* XSecurityGenerateAuthorization */ + +Status +XSecurityRevokeAuthorization( + Display *dpy, + XSecurityAuthorization auth_id) +{ + XExtDisplayInfo *info = find_display (dpy); + xSecurityRevokeAuthorizationReq *req; + + SecurityCheckExtension (dpy, info, 0); + LockDisplay(dpy); + SecurityGetReq(SecurityRevokeAuthorization, req, info); + req->authId = auth_id; + UnlockDisplay (dpy); + SyncHandle (); + return 1; +} /* XSecurityRevokeAuthorization */ |