xserver: Branch 'server-1.15-branch' - 12 commits

Matt Dew marcoz at kemper.freedesktop.org
Thu Mar 6 21:09:13 PST 2014


 hw/xquartz/GL/indirect.c       |    4 ++--
 hw/xquartz/X11Application.m    |   13 +++++++++++++
 hw/xquartz/X11Controller.m     |    2 +-
 hw/xquartz/applewm.c           |   16 ++++++++++++++++
 hw/xquartz/darwinfb.h          |    2 +-
 hw/xquartz/mach-startup/stub.c |    4 ++++
 hw/xquartz/quartz.c            |    3 +++
 hw/xquartz/xpr/appledri.c      |   10 ++++++++++
 hw/xquartz/xpr/x-hook.c        |   27 ++++++---------------------
 9 files changed, 56 insertions(+), 25 deletions(-)

New commits:
commit b332cd20ee14049606e3656490d13a8efa6b23ee
Merge: f41ab8c 5e0432f
Author: Matt Dew <marcoz at osource.org>
Date:   Thu Mar 6 22:03:03 2014 -0700

    Merge branch 'server-1.15-branch' of git://people.freedesktop.org/~jeremyhu/xserver into server-1.15-branch

commit 5e0432f797d58fe1a69ef538694f65bbba38737f
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Wed Jan 1 11:10:41 2014 -0800

    XQuartz: Avoid passing uninitialized pointers to X11ApplicationSetWindowMenu in AppleWMSetWindowMenu
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit 77df653ae3d8448be21221711851acde12c6bc1a)

diff --git a/hw/xquartz/applewm.c b/hw/xquartz/applewm.c
index c4e5f4a..0d734bd 100644
--- a/hw/xquartz/applewm.c
+++ b/hw/xquartz/applewm.c
@@ -398,6 +398,15 @@ ProcAppleWMSetWindowMenu(register ClientPtr client)
                 break;
         }
     }
+
+    /* Check if we bailed out of the above loop due to a request that was too long */
+    if (j < nitems) {
+        free(items);
+        free(shortcuts);
+
+        return BadRequest;
+    }
+
     X11ApplicationSetWindowMenu(nitems, items, shortcuts);
     free(items);
     free(shortcuts);
commit 859ced56d9ee168796c2fcf7fa6056e0c1491f3a
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Wed Jan 1 11:04:07 2014 -0800

    XQuartz: Check for allocated memory before using it in AppleWMSetWindowMenu
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit 3bc608a361a01043b226fb9aaebf88f6fd852925)

diff --git a/hw/xquartz/applewm.c b/hw/xquartz/applewm.c
index aea0a45..c4e5f4a 100644
--- a/hw/xquartz/applewm.c
+++ b/hw/xquartz/applewm.c
@@ -378,6 +378,13 @@ ProcAppleWMSetWindowMenu(register ClientPtr client)
     items = malloc(sizeof(char *) * nitems);
     shortcuts = malloc(sizeof(char) * nitems);
 
+    if (!items || !shortcuts) {
+        free(items);
+        free(shortcuts);
+
+        return BadAlloc;
+    }
+
     max_len = (stuff->length << 2) - sizeof(xAppleWMSetWindowMenuReq);
     bytes = (char *)&stuff[1];
 
commit 9444955d16f85926c75ee8eafb0ca796dcf16439
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Wed Jan 1 11:00:40 2014 -0800

    XQuartz: Silence a clang static analysis warning about a memory leak
    
    It seems the alanyzer can't comprehend dixSetPrivate().
    
    quartz.c:119:12: warning: Potential leak of memory pointed to by 'displayInfo'
        return quartzProcs->AddScreen(index, pScreen);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit 64327226ddfba8f0653615cd678d2d4336fb993d)

diff --git a/hw/xquartz/quartz.c b/hw/xquartz/quartz.c
index 5b977c7..bc6c8d0 100644
--- a/hw/xquartz/quartz.c
+++ b/hw/xquartz/quartz.c
@@ -109,11 +109,14 @@ Bool
 QuartzAddScreen(int index,
                 ScreenPtr pScreen)
 {
+    // The clang static analyzer thinks we leak displayInfo here
+#ifndef __clang_analyzer__
     // allocate space for private per screen Quartz specific storage
     QuartzScreenPtr displayInfo = calloc(sizeof(QuartzScreenRec), 1);
 
     // QUARTZ_PRIV(pScreen) = displayInfo;
     dixSetPrivate(&pScreen->devPrivates, quartzScreenKey, displayInfo);
+#endif /* __clang_analyzer__ */
 
     // do Quartz mode specific initialization
     return quartzProcs->AddScreen(index, pScreen);
commit 64b0669d1c062e7e11fb0e3b8ea7fe56113fc86f
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Wed Jan 1 10:55:10 2014 -0800

    XQuartz: Silence a clang static analysis warning about a possible memory leak on exit
    
    stub.c:356:9: warning: Potential leak of memory pointed to by 'newargv'
            asl_log(aslc, NULL, ASL_LEVEL_ERR,
            ^~~~~~~
    stub.c:356:9: warning: Potential leak of memory pointed to by 'newenvp'
            asl_log(aslc, NULL, ASL_LEVEL_ERR,
            ^~~~~~~
    2 warnings generated.
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit b2f6b3497c33a4897afae80a2cf69c596b9f81e8)

diff --git a/hw/xquartz/mach-startup/stub.c b/hw/xquartz/mach-startup/stub.c
index b5a3168..756e4ef 100644
--- a/hw/xquartz/mach-startup/stub.c
+++ b/hw/xquartz/mach-startup/stub.c
@@ -353,6 +353,10 @@ main(int argc, char **argv, char **envp)
     newenvp = (string_array_t)calloc((1 + envpc), sizeof(string_t));
 
     if (!newargv || !newenvp) {
+        /* Silence the clang static analyzer */
+        free(newargv);
+        free(newenvp);
+
         asl_log(aslc, NULL, ASL_LEVEL_ERR,
                 "Xquartz: Memory allocation failure");
         return EXIT_FAILURE;
commit 472e8e5d1c26573cef4bd42451230ef47791ed6f
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Wed Jan 1 10:47:52 2014 -0800

    XQuartz: Validate length in appledri before swapping
    
    Avoids potential memory corruption from bad requests
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit a03f096a85537d9e881cedaa6cb71aca43a97086)

diff --git a/hw/xquartz/xpr/appledri.c b/hw/xquartz/xpr/appledri.c
index d7e9844..7757465 100644
--- a/hw/xquartz/xpr/appledri.c
+++ b/hw/xquartz/xpr/appledri.c
@@ -406,6 +406,7 @@ SProcAppleDRIQueryDirectRenderingCapable(register ClientPtr client)
 {
     REQUEST(xAppleDRIQueryDirectRenderingCapableReq);
     swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xAppleDRIQueryDirectRenderingCapableReq);
     swapl(&stuff->screen);
     return ProcAppleDRIQueryDirectRenderingCapable(client);
 }
@@ -415,6 +416,7 @@ SProcAppleDRIAuthConnection(register ClientPtr client)
 {
     REQUEST(xAppleDRIAuthConnectionReq);
     swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xAppleDRIAuthConnectionReq);
     swapl(&stuff->screen);
     swapl(&stuff->magic);
     return ProcAppleDRIAuthConnection(client);
@@ -425,6 +427,7 @@ SProcAppleDRICreateSurface(register ClientPtr client)
 {
     REQUEST(xAppleDRICreateSurfaceReq);
     swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xAppleDRICreateSurfaceReq);
     swapl(&stuff->screen);
     swapl(&stuff->drawable);
     swapl(&stuff->client_id);
@@ -436,6 +439,7 @@ SProcAppleDRIDestroySurface(register ClientPtr client)
 {
     REQUEST(xAppleDRIDestroySurfaceReq);
     swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xAppleDRIDestroySurfaceReq);
     swapl(&stuff->screen);
     swapl(&stuff->drawable);
     return ProcAppleDRIDestroySurface(client);
@@ -446,6 +450,7 @@ SProcAppleDRICreatePixmap(register ClientPtr client)
 {
     REQUEST(xAppleDRICreatePixmapReq);
     swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xAppleDRICreatePixmapReq);
     swapl(&stuff->screen);
     swapl(&stuff->drawable);
     return ProcAppleDRICreatePixmap(client);
@@ -456,6 +461,7 @@ SProcAppleDRIDestroyPixmap(register ClientPtr client)
 {
     REQUEST(xAppleDRIDestroyPixmapReq);
     swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xAppleDRIDestroyPixmapReq);
     swapl(&stuff->drawable);
     return ProcAppleDRIDestroyPixmap(client);
 }
commit 782fe5c174def75a9e4cb188c00c2fec72821472
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Wed Jan 1 10:39:56 2014 -0800

    XQuartz: Validate screen in AppleDRIQueryDirectRenderingCapable requests
    
    Return an error to the caller rather than crashing the server on
    invalid screens.
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit b3572c0d1ab7888ac26d6b2b8be6d1d19ed9af3f)

diff --git a/hw/xquartz/xpr/appledri.c b/hw/xquartz/xpr/appledri.c
index 9aac072..d7e9844 100644
--- a/hw/xquartz/xpr/appledri.c
+++ b/hw/xquartz/xpr/appledri.c
@@ -123,6 +123,10 @@ ProcAppleDRIQueryDirectRenderingCapable(register ClientPtr client)
     rep.length = 0;
     rep.sequenceNumber = client->sequence;
 
+    if (stuff->screen >= screenInfo.numScreens) {
+        return BadValue;
+    }
+
     if (!DRIQueryDirectRenderingCapable(screenInfo.screens[stuff->screen],
                                         &isCapable)) {
         return BadValue;
commit 045122566c0532378b50c1af3ffec3254e416fe2
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Sun Dec 29 12:45:23 2013 -0800

    XQuartz: Simplify hook_run to quiet static analyzer
    
    x-hook.c:96:9: warning: Called function pointer is an uninitalized pointer value
            (*fun[i])(arg, data[i]);
            ^~~~~~~~~~~~~~~~~~~~~~~
    1 warning generated.
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit 959e8f23af7850fcaf40d6c67f5228241a36a9ab)

diff --git a/hw/xquartz/xpr/x-hook.c b/hw/xquartz/xpr/x-hook.c
index b5d8ab9..3922bb8 100644
--- a/hw/xquartz/xpr/x-hook.c
+++ b/hw/xquartz/xpr/x-hook.c
@@ -70,34 +70,19 @@ X_PFX(hook_remove) (x_list * lst, x_hook_function * fun, void *data) {
 
 X_EXTERN void
 X_PFX(hook_run) (x_list * lst, void *arg) {
-    x_list *node, *cell;
-    x_hook_function **fun;
-    void **data;
-    int length, i;
+    x_list *node;
 
     if (!lst)
         return;
 
-    length = X_PFX(list_length) (lst);
-    fun = malloc(sizeof(x_hook_function *) * length);
-    data = malloc(sizeof(void *) * length);
-
-    if (!fun || !data) {
-        FatalError("Failed to allocate memory in %s\n", __func__);
-    }
+    for (node = lst; node != NULL; node = node->next) {
+        x_list *cell = node->data;
 
-    for (i = 0, node = lst; node != NULL; node = node->next, i++) {
-        cell = node->data;
-        fun[i] = CELL_FUN(cell);
-        data[i] = CELL_DATA(cell);
-    }
+        x_hook_function *fun = CELL_FUN(cell);
+        void *data = CELL_DATA(cell);
 
-    for (i = 0; i < length; i++) {
-        (*fun[i])(arg, data[i]);
+        (*fun)(arg, data);
     }
-
-    free(fun);
-    free(data);
 }
 
 X_EXTERN void
commit 33b2ae0f3b4a80fd962d876f7437d98fcfc27791
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Sun Dec 29 12:41:18 2013 -0800

    XQuartz: Mark applicationWillTerminate: noreturn
    
    X11Controller.m:938:1: warning: method 'applicationWillTerminate:' could be declared with attribute 'noreturn'
          [-Wmissing-noreturn,Semantic Issue]
    {
    ^
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit f79af1941776fd6f1ec26c50603fcc35ca7d514b)

diff --git a/hw/xquartz/X11Controller.m b/hw/xquartz/X11Controller.m
index 752bda3..5445c6f 100644
--- a/hw/xquartz/X11Controller.m
+++ b/hw/xquartz/X11Controller.m
@@ -934,7 +934,7 @@ extern char *bundle_id_prefix;
             == NSAlertDefaultReturn) ? NSTerminateNow : NSTerminateCancel;
 }
 
-- (void) applicationWillTerminate:(NSNotification *)aNotification
+- (void) applicationWillTerminate:(NSNotification *)aNotification _X_NORETURN
 {
     int remain;
     [X11App prefs_synchronize];
commit 404f26866147be1c26585e59d9795e87e0c3e5fa
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Sun Dec 29 12:36:51 2013 -0800

    XQuartz: Fix get_proc_address signature
    
    indirect.c:675:28: warning: incompatible pointer types passing 'glx_gpa_proc (*)(const char *)' to parameter of type
          'glx_gpa_proc' (aka 'glx_func_ptr (*)(const char *)') [-Wincompatible-pointer-types,Semantic Issue]
        __glXsetGetProcAddress(&get_proc_address);
                               ^~~~~~~~~~~~~~~~~
    ../../../glx/glxserver.h:122:42: note: passing argument to parameter 'get_proc_address' here [Semantic Issue]
    void __glXsetGetProcAddress(glx_gpa_proc get_proc_address);
                                             ^
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit ea80279e292e59a9fe9651489f03e9f2f39810d9)

diff --git a/hw/xquartz/GL/indirect.c b/hw/xquartz/GL/indirect.c
index 8dabda1..19b7d86 100644
--- a/hw/xquartz/GL/indirect.c
+++ b/hw/xquartz/GL/indirect.c
@@ -643,10 +643,10 @@ __glFloorLog2(GLuint val)
 
 static void *opengl_framework_handle;
 
-static glx_gpa_proc
+static glx_func_ptr
 get_proc_address(const char *sym)
 {
-    return (glx_gpa_proc) dlsym(opengl_framework_handle, sym);
+    return (glx_func_ptr) dlsym(opengl_framework_handle, sym);
 }
 
 static void
commit 7803c4075b824ece79af0425cee736025c41d901
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Sun Dec 29 12:31:23 2013 -0800

    XQuartz: Fix darwinfb.h header guard
    
    ./darwinfb.h:28:9: warning: '_DARWIN_FB_H' is used as a header guard here, followed by #define of a different macro
          [-Wheader-guard,Lexical or Preprocessor Issue]
            ^~~~~~~~~~~~
    ./darwinfb.h:29:9: note: '_DARWIN_DB_H' is defined here; did you mean '_DARWIN_FB_H'? [Lexical or Preprocessor Issue]
            ^~~~~~~~~~~~
            _DARWIN_FB_H
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit 2e3ebec9520719a8e5c3c92390e83bcb5216f978)

diff --git a/hw/xquartz/darwinfb.h b/hw/xquartz/darwinfb.h
index 5de360d..541128b 100644
--- a/hw/xquartz/darwinfb.h
+++ b/hw/xquartz/darwinfb.h
@@ -26,7 +26,7 @@
  */
 
 #ifndef _DARWIN_FB_H
-#define _DARWIN_DB_H
+#define _DARWIN_FB_H
 
 #include "scrnintstr.h"
 
commit 6c055f0d78349ff08a570c5dcc92c6f7b6924993
Author: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
Date:   Sun Dec 29 12:22:55 2013 -0800

    XQuartz: Silence some static analyzer warnings by annotating referencing counts
    
    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu at apple.com>
    (cherry picked from commit 9da6c0918f40359f28fe8889d5b7cae7efcc8377)

diff --git a/hw/xquartz/X11Application.m b/hw/xquartz/X11Application.m
index 1f9b05d..2efbd65 100644
--- a/hw/xquartz/X11Application.m
+++ b/hw/xquartz/X11Application.m
@@ -70,6 +70,18 @@ xpbproxy_run(void);
 static dispatch_queue_t eventTranslationQueue;
 #endif
 
+#ifndef __has_feature
+#define __has_feature(x) 0
+#endif
+
+#ifndef CF_RETURNS_RETAINED
+#if __has_feature(attribute_cf_returns_retained)
+#define CF_RETURNS_RETAINED __attribute__((cf_returns_retained))
+#else
+#define CF_RETURNS_RETAINED
+#endif
+#endif
+
 extern Bool noTestExtensions;
 extern Bool noRenderExtension;
 extern BOOL serverRunning;
@@ -526,6 +538,7 @@ cfrelease(CFAllocatorRef a, const void *b)
     CFRelease(b);
 }
 
+CF_RETURNS_RETAINED
 static CFMutableArrayRef
 nsarray_to_cfarray(NSArray *in)
 {


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