Use case-insensitive string comparisons when reading client commands as we can't trust them to be uppercase.

1 files changed, 15 insertions, 15 deletions

diff --git a/blabouncer.c b/blabouncer.c
index ec972bc..a6a811a 100644
--- a/blabouncer.c
+++ b/blabouncer.c
@@ -1157,7 +1157,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       break;
     case SOURCE_CLIENT: // If message(s) were from a real IRC client
       // PASS received?  User is trying to log in, check their password.
-      if (strncmp(tokens[0], "PASS", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "PASS", strlen(tokens[0])) == 0) {
         if (checkpassword(tokens[1], settings->conffile)) {
           printf("Password accepted!  Setting fd %d to authenticated.\n", sourcefd);
           // Find the client in the clients array and set them as authenticated
@@ -1202,7 +1202,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // USER received?  If so, assume this is a new client connecting and catch them on up on the state
-      if (strncmp(tokens[0], "USER", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "USER", strlen(tokens[0])) == 0) {
         // Somewhere to store the several strings we will need to build and send
         char outgoingmsg[MAXDATASIZE]; // String to send to client
 
@@ -1318,7 +1318,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // Client PING received?  If so, send a PONG back with the next element as the argument.
-      if (strncmp(tokens[0], "PING", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "PING", strlen(tokens[0])) == 0) {
         printf("Client PING found and it is: %s with length %zd!  Sending response...\n", tokens[0], strlen(tokens[0]));
 
         char outgoingmsg[MAXDATASIZE]; // String to send to client
@@ -1334,14 +1334,14 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // TODO - Ignoring CAP for now so as not to confuse other clients, but we should probably query the server then relay the response to the client
-      if (strncmp(tokens[0], "CAP", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "CAP", strlen(tokens[0])) == 0) {
         printf("Client CAP found and it is: %s with length %zd!  Ignoring completely for now - TODO - do something useful!\n", tokens[0], strlen(tokens[0]));
         free(strcopyPtr);
         return 1;
       }
 
       // Just send NICK to server and let it change all clients' nicks if needed
-      if (strncmp(tokens[0], "NICK", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "NICK", strlen(tokens[0])) == 0) {
         printf("Client NICK found and it is: %s with length %zd!  Sending to server...\n", tokens[0], strlen(tokens[0]));
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);
         free(strcopyPtr);
@@ -1349,7 +1349,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // If PRIVMSG received, send to server, but also reformat and send to all other clients and log to replay file.
-      if (strncmp(tokens[0], "PRIVMSG", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "PRIVMSG", strlen(tokens[0])) == 0) {
         printf("Client PRIVMSG found and it is: %s with length %zd!  Sending to server then back to other clients...\n", tokens[0], strlen(tokens[0]));
         // Send original request straight to server
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);
@@ -1379,7 +1379,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // Just send JOIN to server and let it talk back to clients as required
-      if (strncmp(tokens[0], "JOIN", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "JOIN", strlen(tokens[0])) == 0) {
         printf("Client JOIN found and it is: %s with length %zd!  Sending to server...\n", tokens[0], strlen(tokens[0]));
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);
         free(strcopyPtr);
@@ -1388,7 +1388,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
 
       // Don't do anything with QUIT, just let the client go - TODO: Let another clients know with a NOTICE or something
       // A client has QUIT, so disconnect (close) them and don't do anything else for now - TODO: Let another clients know with a NOTICE or something
-      if (strncmp(tokens[0], "QUIT", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "QUIT", strlen(tokens[0])) == 0) {
         printf("Client QUIT found from fd %d and it is: %s with length %zd!  Disconnecting that fd.\n", sourcefd, tokens[0], strlen(tokens[0]));
         disconnectclient(sourcefd, clients, ircdstrings, settings);
         free(strcopyPtr);
@@ -1396,7 +1396,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // Just send PART to server and let it talk back to clients as required
-      if (strncmp(tokens[0], "PART", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "PART", strlen(tokens[0])) == 0) {
         printf("Client PART found and it is: %s with length %zd!  Sending to server...\n", tokens[0], strlen(tokens[0]));
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);
         free(strcopyPtr);
@@ -1404,7 +1404,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // Just send TOPIC to server and let it talk back to clients as required
-      if (strncmp(tokens[0], "TOPIC", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "TOPIC", strlen(tokens[0])) == 0) {
         printf("Client TOPIC found and it is: %s with length %zd!  Sending to server...\n", tokens[0], strlen(tokens[0]));
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);
         free(strcopyPtr);
@@ -1413,7 +1413,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
 
       // Take note of what sort of MODE was requested, mark the client as waiting for the reply (so not all clients get it)
       // Send it to the server either way and let it talk back to the requesting client as required
-      if (strncmp(tokens[0], "MODE", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "MODE", strlen(tokens[0])) == 0) {
         printf("Client MODE found and it is: %s with length %zd!  Analysing...\n", tokens[0], strlen(tokens[0]));
         // Is it a ban MODE request (MODE #channel b)?
         if (counter >= 3 && strncmp(tokens[2], "b", strlen("b")) == 0) {
@@ -1432,7 +1432,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // WHO requested, mark the client as waiting for the reply (so not all clients get it) and send it on the server
-      if (strncmp(tokens[0], "WHO", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "WHO", strlen(tokens[0])) == 0) {
         printf("Client WHO found and it is: %s with length %zd!  Marking as pending.\n", tokens[0], strlen(tokens[0]));
         clients[arrindex(clients, sourcefd)].pendingwho = 1;
 
@@ -1443,7 +1443,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // LIST requested, mark the client as waiting for the reply (so not all clients get it) and send it on the server
-      if (strncmp(tokens[0], "LIST", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "LIST", strlen(tokens[0])) == 0) {
         printf("Client LIST found and it is: %s with length %zd!  Marking as pending.\n", tokens[0], strlen(tokens[0]));
         clients[arrindex(clients, sourcefd)].pendinglist = 1;
 
@@ -1454,7 +1454,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // Client WHOIS received, send straight on to server and mark the client as pending the response
-      if (strncmp(tokens[0], "WHOIS", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "WHOIS", strlen(tokens[0])) == 0) {
         printf("Client WHOIS found and it is: %s with length %zd!  Sending to server and setting client as pending.\n", tokens[0], strlen(tokens[0]));
         clients[arrindex(clients, sourcefd)].pendingwhois = 1;
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);
@@ -1463,7 +1463,7 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
       }
 
       // Client WHOWAS received, send straight on to server and mark the client as pending the response
-      if (strncmp(tokens[0], "WHOWAS", strlen(tokens[0])) == 0) {
+      if (strncasecmp(tokens[0], "WHOWAS", strlen(tokens[0])) == 0) {
         printf("Client WHOWAS found and it is: %s with length %zd!  Sending to server and setting client as pending.\n", tokens[0], strlen(tokens[0]));
         clients[arrindex(clients, sourcefd)].pendingwhowas = 1;
         sendtoserver(server_ssl, str, strlen(str), sourcefd, clients, settings);