Make postfix a member of the snfuser group upon integration with postfix.

git-svn-id: https://svn.microneil.com/svn/SNFUtility/trunk@59 aa37657e-1934-4a5f-aa6d-2d8eab27ff7c

SNFMilterConfig/PostfixIntegrate.cpp

 	PostfixMainCfPath = "/etc/postfix/main.cf";
 	PostfixMasterCfPath = "/etc/postfix/master.cf";
 	ReloadMtaCommand = "/usr/local/sbin/postfix reload";
+	AddPostfixToSnfuserGroupCommand = "/usr/sbin/usermod -G snfuser _postfix";
 
     } else if ("FreeBSD" == OperatingSystemType) {
 
 	PostfixMainCfPath = "/usr/local/etc/postfix/main.cf";
 	PostfixMasterCfPath = "/usr/local/etc/postfix/master.cf";
 	ReloadMtaCommand = "/usr/local/sbin/postfix reload";
+	AddPostfixToSnfuserGroupCommand = "/usr/sbin/pw mod group -n snfuser -m postfix";
 
     } else if ("Ubuntu" == OperatingSystemType) {
 
 	PostfixMainCfPath = "/etc/postfix/main.cf";
 	PostfixMasterCfPath = "/etc/postfix/master.cf";
 	ReloadMtaCommand = "/usr/sbin/postfix reload";
+	AddPostfixToSnfuserGroupCommand = "/usr/sbin/usermod -G snfuser postfix";
 
     } else if ("RedHat" == OperatingSystemType) {
 
 	PostfixMainCfPath = "/etc/postfix/main.cf";
 	PostfixMasterCfPath = "/etc/postfix/master.cf";
 	ReloadMtaCommand = "/usr/sbin/postfix reload";
+	AddPostfixToSnfuserGroupCommand = "/usr/sbin/usermod -G snfuser postfix";
 
     } else if ("Suse" == OperatingSystemType) {
 
 	PostfixMainCfPath = "/etc/postfix/main.cf";
 	PostfixMasterCfPath = "/etc/postfix/master.cf";
 	ReloadMtaCommand = "/usr/sbin/postfix reload";
+	AddPostfixToSnfuserGroupCommand = "/usr/sbin/usermod -G snfuser postfix";
 
     } else {
 
 
     if (Verbose()) {
 
-	std::cout << "Integrate with postfix...\n";
+	std::cout << "Integrate with postfix...add postfix user to snfuser group...\n";
 
     }
 
+    bool Succeeded;
+
     if (!Explain()) {
 
+	Succeeded = (std::system(AddPostfixToSnfuserGroupCommand.c_str()) == 0);
+
+	if (!Succeeded) {
+	    std::string Temp;
+
+	    Temp = "Error adding the postfix user to the snfuser group with the command '";
+	    Temp += AddPostfixToSnfuserGroupCommand;
+	    Temp += "':  ";
+	    Temp += strerror(errno);
+	    throw std::runtime_error(Temp);
+
+	}
+
 	SaveFile->CreateBackupFile(PostfixMainCfPath);                          // Save any existing file.
 
 	Input.open(PostfixMainCfPath.c_str());                                  // Read the contents.
 	std::string Line;
 	bool ModifiedLine = false;
 
-	PostfixMilterConf MilterConf(PostfixSocketSpec);                        // Object to update the config line.
+        PostfixMilterConf MilterConf(PostfixSocketSpec);                        // Object to update the config line.
 
-	while (getline(Input, Line)) {
+        while (getline(Input, Line)) {
 
-	    MilterConf.ConfLine(Line);                                          // Load the object with the line.
+            MilterConf.ConfLine(Line);                                          // Load the object with the line.
 
-	    if (MilterConf.IsMilterLine() && !ModifiedLine) {                   // Check for milter integration line.
+            if (MilterConf.IsMilterLine() && !ModifiedLine) {                   // Check for milter integration line.
                                                                                 // Ignore subsequence integration lines.
                 MilterConf.AddIntegration();                                    // Found milter line.  Add integration.
 

SNFMilterConfig/PostfixIntegrate.hpp

     /// True if postfix runs chrooted by default.
     bool PostfixDefaultIsChrooted;
 
+    /// Command to add the postfix user to the snfuser group.
+    std::string AddPostfixToSnfuserGroupCommand;
+
 };
 
 #endif