commit b95dfb3ffd798e00df54b52496963d2a998ccbb0
from: Alexander Barton <alex@barton.de>
date: Mon Feb 11 12:58:30 2013 UTC

Merge branch 'bug155-allowAtInUser'

* bug155-allowAtInUser:
  Allow "@" character in user names for authentication

commit - 628c14d65686c4c848a17381b8ef61c78dbcf405
commit + b95dfb3ffd798e00df54b52496963d2a998ccbb0
blob - e7d83eff301c3491c83d71f9892944c0f6e5c480
blob + 52c6e46e6585ad5e9f4767f83b33e4a1b109c123
--- src/ngircd/irc-login.c
+++ src/ngircd/irc-login.c
@@ -444,7 +444,7 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
 		ptr = Req->argv[0];
 		while (*ptr) {
 			if (!isalnum((int)*ptr) &&
-			    *ptr != '+' && *ptr != '-' &&
+			    *ptr != '+' && *ptr != '-' && *ptr != '@' &&
 			    *ptr != '.' && *ptr != '_') {
 				Conn_Close(Client_Conn(Client), NULL,
 					   "Invalid user name", true);
@@ -453,6 +453,13 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
 			ptr++;
 		}
 
+		/* Save the received username for authentication, and use
+		 * it up to the first '@' as default user name (like ircd2.11,
+		 * bahamut, ircd-seven, ...), prefixed with '~', if needed: */
+		Client_SetOrigUser(Client, Req->argv[0]);
+		ptr = strchr(Req->argv[0], '@');
+		if (ptr)
+			*ptr = '\0';
 #ifdef IDENTAUTH
 		ptr = Client_User(Client);
 		if (!ptr || !*ptr || *ptr == '~')
@@ -460,7 +467,6 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
 #else
 		Client_SetUser(Client, Req->argv[0], false);
 #endif
-		Client_SetOrigUser(Client, Req->argv[0]);
 
 		/* "Real name" or user info text: Don't set it to the empty
 		 * string, the original ircd can't deal with such "real names"
blob - d79344b5941bcfa59ab61ff4a0acd49131fb4b48
blob + d8c8c40a2d6c0d0bf9f510c8299cf8f11c160d6b
--- src/ngircd/login.c
+++ src/ngircd/login.c
@@ -202,6 +202,7 @@ Login_User_PostAuth(CLIENT *Client)
 static void
 cb_Read_Auth_Result(int r_fd, UNUSED short events)
 {
+	char user[CLIENT_USER_LEN], *ptr;
 	CONN_ID conn;
 	CLIENT *client;
 	int result;
@@ -233,7 +234,14 @@ cb_Read_Auth_Result(int r_fd, UNUSED short events)
 	}
 
 	if (result == true) {
-		Client_SetUser(client, Client_OrigUser(client), true);
+		/* Authentication succeeded, now set the correct user name
+		 * supplied by the client (without prepended '~' for exmaple),
+		 * but cut it at the first '@' character: */
+		strlcpy(user, Client_OrigUser(client), sizeof(user));
+		ptr = strchr(user, '@');
+		if (ptr)
+			*ptr = '\0';
+		Client_SetUser(client, user, true);
 		(void)Login_User_PostAuth(client);
 	} else
 		Client_Reject(client, "Bad password", false);