Mac installer: if installer package includes a custom skin, set preferences of all users to that skin.

svn path=/trunk/boinc/; revision=12696

checkin_notes

@@ -5069,3 +5069,10 @@ David  18 May 2007
 
     html/ops/
         job_times.php
+
+Charlie 19 May 2007
+    - Mac installer: if installer package includes a custom skin, set 
+        preferences of all users to that skin.
+        
+    mac_installer/
+        PostInstall.cpp

mac_installer/PostInstall.cpp

@@ -27,6 +27,7 @@
 #include <unistd.h>	// getlogin
 #include <sys/types.h>	// getpwname, getpwuid, getuid
 #include <pwd.h>	// getpwname, getpwuid, getuid
+#include <grp.h>        // getgrnam
 #include <sys/wait.h>	// waitpid
 #include <dirent.h>
 #include <sys/param.h>  // for MAXPATHLEN
@@ -51,6 +52,7 @@ long GetBrandID(void);
 int TestRPCBind(void);
 OSErr FindProcess (OSType typeToFind, OSType creatorToFind, ProcessSerialNumberPtr processSN);
 pid_t FindProcessPID(char* name, pid_t thePID);
+int FindSkinName(char *name, size_t len);
 static OSErr QuitBOINCManager(OSType signature);
 static OSErr QuitAppleEventHandler(const AppleEvent *appleEvt, AppleEvent* reply, UInt32 refcon);
 void print_to_log_file(const char *format, ...);
@@ -484,6 +486,7 @@ void SetUIDBackToUser (void)
 
 // Find all visible users and set their login item to launch BOINC Manager.
 // If user is a member of group admin, add user to groups boinc_master and boinc_project.
+// If our install package included a skin, set all user's preferences to use that skin,
 OSErr UpdateAllVisibleUsers(long brandID)
 {
     DIR                 *dirp;
@@ -491,11 +494,17 @@ OSErr UpdateAllVisibleUsers(long brandID)
     passwd              *pw;
     uid_t               saved_uid;
     Boolean             deleteLoginItem;
+    char                skinName[256];
+    FILE                *oldPrefs, *newPrefs;
+    char                oldFileName[MAXPATHLEN], tempFilename[MAXPATHLEN];
+    char                buf[1024];
+    int                 wroteSkinName;
+    struct stat         sbuf;
+    group               *grp;
+    OSStatus            err, statErr;
 #ifdef SANDBOX
     char                *p;
-    group               *grp;
     short               i;
-    OSErr 		err = noErr;
 
     grp = getgrnam("admin");
     if (grp == NULL) {      // Should never happen
@@ -504,6 +513,8 @@ OSErr UpdateAllVisibleUsers(long brandID)
     }
 #endif
 
+    FindSkinName(skinName, sizeof(skinName));
+
     dirp = opendir("/Users");
     if (dirp == NULL) {      // Should never happen
         puts("opendir(\"/Users\") failed\n");
@@ -540,6 +551,46 @@ OSErr UpdateAllVisibleUsers(long brandID)
         saved_uid = geteuid();
         seteuid(pw->pw_uid);                        // Temporarily set effective uid to this user
         SetLoginItem(brandID, deleteLoginItem);     // Set login item for this user
+
+        if (skinName[0]) {
+            sprintf(oldFileName, "/Users/%s/Library/Preferences/BOINC Manager Preferences", dp->d_name);
+            sprintf(tempFilename, "/Users/%s/Library/Preferences/BOINC Manager NewPrefs", dp->d_name);
+            newPrefs = fopen(tempFilename, "w");
+            if (newPrefs) {
+                wroteSkinName = 0;
+                statErr = stat(oldFileName, &sbuf);
+
+                oldPrefs = fopen(oldFileName, "r");
+                if (oldPrefs) {
+                    while (fgets(buf, sizeof(buf), oldPrefs)) {
+                        if (strstr(buf, "Skin=")) {
+                            fprintf(newPrefs, "Skin=%s\n", skinName);
+                            wroteSkinName = 1;
+                        } else {
+                            fputs(buf, newPrefs);
+                        }
+                    }
+                    fclose(oldPrefs);
+                }
+                
+                if (! wroteSkinName)
+                    fprintf(newPrefs, "Skin=%s\n", skinName);
+                    
+                fclose(newPrefs);
+                rename(tempFilename, oldFileName);  // Deletes old file
+                if (! statErr) {
+                    chown(oldFileName, sbuf.st_uid, sbuf.st_gid);
+                    chmod(oldFileName, sbuf.st_mode);
+                } else {
+                    chmod(oldFileName, 0664);
+                    pw = getpwnam(dp->d_name);
+                    grp = getgrnam(dp->d_name);
+                    if (pw && grp)
+                        chown(oldFileName, pw->pw_uid, grp->gr_gid);
+                }
+            }
+        }
+
         seteuid(saved_uid);                         // Set effective uid back to privileged user
     }
     
@@ -656,6 +707,41 @@ static char * PersistentFGets(char *buf, size_t buflen, FILE *f) {
 }
 
 
+int FindSkinName(char *name, size_t len)
+{
+    FILE *f;
+    char buf[MAXPATHLEN];
+    char *pattern = "/BOINC Data/skins/";
+    char *p, *q;
+
+    name[0] = '\0';
+    
+    f = popen("lsbom -ds ./Contents/Archive.bom", "r");
+    if (f == NULL)
+        return 0;
+    
+    while (PersistentFGets(buf, sizeof(buf), f)) {
+        p = strstr(buf, pattern);
+        if (p) {
+            p += strlen(pattern);
+            q = strchr(p, '/');
+            if (q) *q = 0;
+            q = strchr(p, '\n');
+            if (q) *q = 0;
+
+            if (strlen(p) > (len-1))
+                return 0;
+            strlcpy(name, p, len);
+            pclose(f);
+            return 1;
+        }
+    }
+    pclose(f);
+    return 0;
+}
+
+
+
 pid_t FindProcessPID(char* name, pid_t thePID)
 {
     FILE *f;