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Code Issues Releases Wiki Activity

Simplify check for valid user names in IRC_USER().

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Patches from Federico G. Schwindt, thanks!

(cherry picked from commit a44b7126227ba1118ec02b399e31b08102af5e8c
and 6fbe9583753b2620da275676cde46a89cb4d06c2)
This commit is contained in:
Alexander Barton 2012-09-26 23:28:13 +02:00
parent d21afce2b6
commit 005340c83f
1 changed files with 4 additions and 5 deletions
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9
src/ngircd/irc-login.c
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@ -18,6 +18,7 @@
#include "imp.h" #include "imp.h"
#include <assert.h> #include <assert.h>
#include <ctype.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <strings.h> #include <strings.h>
@ -422,11 +423,9 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
punctuation is allowed.*/ punctuation is allowed.*/
ptr = Req->argv[0]; ptr = Req->argv[0];
while (*ptr) { while (*ptr) {
if ((*ptr < '0' || *ptr > '9') && if (!isalnum(*ptr) &&
(*ptr < 'A' || *ptr > 'Z') && *ptr != '+' && *ptr != '-' &&
(*ptr < 'a' || *ptr > 'z') && *ptr != '.' && *ptr != '_') {
(*ptr != '+') && (*ptr != '-') &&
(*ptr != '.') && (*ptr != '_')) {
Conn_Close(Client_Conn(Client), NULL, Conn_Close(Client_Conn(Client), NULL,
"Invalid user name", true); "Invalid user name", true);
return DISCONNECTED; return DISCONNECTED;