diff options
| -rw-r--r-- | src/ngircd/irc-login.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/ngircd/irc-login.c b/src/ngircd/irc-login.c index 74d8b9d1..99cd26f4 100644 --- a/src/ngircd/irc-login.c +++ b/src/ngircd/irc-login.c @@ -18,6 +18,7 @@ #include "imp.h" #include <assert.h> +#include <ctype.h> #include <stdlib.h> #include <string.h> #include <strings.h> @@ -422,11 +423,9 @@ IRC_USER(CLIENT * Client, REQUEST * Req) punctuation is allowed.*/ ptr = Req->argv[0]; while (*ptr) { - if ((*ptr < '0' || *ptr > '9') && - (*ptr < 'A' || *ptr > 'Z') && - (*ptr < 'a' || *ptr > 'z') && - (*ptr != '+') && (*ptr != '-') && - (*ptr != '.') && (*ptr != '_')) { + if (!isalnum(*ptr) && + *ptr != '+' && *ptr != '-' && + *ptr != '.' && *ptr != '_') { Conn_Close(Client_Conn(Client), NULL, "Invalid user name", true); return DISCONNECTED; |