Title: [132294] trunk/Source/WebKit2
Revision
132294
Author
wei...@apple.com
Date
2012-10-23 19:53:12 -0700 (Tue, 23 Oct 2012)

Log Message

Stop using NSHomeDirectory() to get the home directory, it doesn't always return what we want
https://bugs.webkit.org/show_bug.cgi?id=100180

Reviewed by Anders Carlsson.

NSHomeDirectory() doesn't return the real home directory if the host process
is App Sandboxed, so drop down and use getpwuid_r instead.

* WebProcess/mac/WebProcessMac.mm:
(WebKit::appendReadwriteSandboxDirectory):
There is no reason anymore to try to create the directory.

(WebKit::WebProcess::initializeSandbox):
Switch to getpwuid_r.

Modified Paths

Diff

Modified: trunk/Source/WebKit2/ChangeLog (132293 => 132294)


--- trunk/Source/WebKit2/ChangeLog	2012-10-24 02:49:36 UTC (rev 132293)
+++ trunk/Source/WebKit2/ChangeLog	2012-10-24 02:53:12 UTC (rev 132294)
@@ -1,3 +1,20 @@
+2012-10-23  Sam Weinig  <s...@webkit.org>
+
+        Stop using NSHomeDirectory() to get the home directory, it doesn't always return what we want
+        https://bugs.webkit.org/show_bug.cgi?id=100180
+
+        Reviewed by Anders Carlsson.
+
+        NSHomeDirectory() doesn't return the real home directory if the host process
+        is App Sandboxed, so drop down and use getpwuid_r instead.
+
+        * WebProcess/mac/WebProcessMac.mm:
+        (WebKit::appendReadwriteSandboxDirectory):
+        There is no reason anymore to try to create the directory.
+
+        (WebKit::WebProcess::initializeSandbox):
+        Switch to getpwuid_r.
+
 2012-10-23  Martin Robinson  <mrobin...@igalia.com>
 
         [GTK][Soup] Implement the default authentication dialog via WebCoreSupport

Modified: trunk/Source/WebKit2/WebProcess/mac/WebProcessMac.mm (132293 => 132294)


--- trunk/Source/WebKit2/WebProcess/mac/WebProcessMac.mm	2012-10-24 02:49:36 UTC (rev 132293)
+++ trunk/Source/WebKit2/WebProcess/mac/WebProcessMac.mm	2012-10-24 02:53:12 UTC (rev 132294)
@@ -53,6 +53,7 @@
 #endif
 
 #if ENABLE(WEB_PROCESS_SANDBOX)
+#import <pwd.h>
 #import <stdlib.h>
 #import <sysexits.h>
 
@@ -168,15 +169,9 @@
     appendSandboxParameterPathInternal(vector, name, [path length] ? [(NSString *)path fileSystemRepresentation] : "");
 }
 
-static void appendReadwriteSandboxDirectory(Vector<const char*>& vector, const char* name, NSString *path)
+static void appendReadwriteSandboxDirectory(Vector<const char*>& vector, const char* name, const char* path)
 {
-    NSError *error = nil;
-
-    // This is very unlikely to fail, but in case it actually happens, we'd like some sort of output in the console.
-    if (![[NSFileManager defaultManager] createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error])
-        NSLog(@"could not create \"%@\", error %@", path, error);
-
-    appendSandboxParameterPathInternal(vector, name, [(NSString *)path fileSystemRepresentation]);
+    appendSandboxParameterPathInternal(vector, name, path);
 }
 
 #endif
@@ -215,8 +210,17 @@
     appendReadwriteConfDirectory(sandboxParameters, "DARWIN_USER_TEMP_DIR", _CS_DARWIN_USER_TEMP_DIR);
     appendReadwriteConfDirectory(sandboxParameters, "DARWIN_USER_CACHE_DIR", _CS_DARWIN_USER_CACHE_DIR);
 
+    char buffer[4096];
+    int bufferSize = sizeof(buffer);
+    struct passwd pwd;
+    struct passwd* result = 0;
+    if (getpwuid_r(getuid(), &pwd, buffer, bufferSize, &result) || !result) {
+        WTFLogAlways("WebProcess: Couldn't find home directory\n");
+        exit(EX_NOPERM);
+    }
+
     // These are read-write paths.
-    appendReadwriteSandboxDirectory(sandboxParameters, "HOME_DIR", NSHomeDirectory());
+    appendReadwriteSandboxDirectory(sandboxParameters, "HOME_DIR", pwd.pw_dir);
 
     sandboxParameters.append(static_cast<const char*>(0));
 
@@ -224,7 +228,7 @@
 
     char* errorBuf;
     if (sandbox_init_with_parameters(profilePath, SANDBOX_NAMED_EXTERNAL, sandboxParameters.data(), &errorBuf)) {
-        WTFLogAlways("WebProcess: couldn't initialize sandbox profile [%s] error '%s'\n", profilePath, errorBuf);
+        WTFLogAlways("WebProcess: Couldn't initialize sandbox profile [%s] error '%s'\n", profilePath, errorBuf);
         for (size_t i = 0; sandboxParameters[i]; i += 2)
             WTFLogAlways("%s=%s\n", sandboxParameters[i], sandboxParameters[i + 1]);
         exit(EX_NOPERM);
@@ -236,7 +240,7 @@
     // This will override LSFileQuarantineEnabled from Info.plist unless sandbox quarantine is globally disabled.
     OSStatus error = WKEnableSandboxStyleFileQuarantine();
     if (error) {
-        WTFLogAlways("WebProcess: couldn't enable sandbox style file quarantine: %ld\n", (long)error);
+        WTFLogAlways("WebProcess: Couldn't enable sandbox style file quarantine: %ld\n", (long)error);
         exit(EX_NOPERM);
     }
 #endif
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