diff --git a/modules/m_links.c b/modules/m_links.c index 3aafbc7..bc28ad8 100644 --- a/modules/m_links.c +++ b/modules/m_links.c @@ -87,6 +87,8 @@ mo_links(struct Client *client_p, struct Client *source_p, int parc, const char if(parc > 2) { + if(strlen(parv[2]) > HOSTLEN) + return 0; if(hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1, parc, parv) != HUNTED_ISME) return 0; @@ -138,19 +140,21 @@ clean_string(char *dest, const unsigned char *src, size_t len) if(dest == NULL || src == NULL) return NULL; - len -= 3; /* allow for worst case, '^A\0' */ - - while (*src && (len > 0)) + while (*src && (len > 1)) { if(*src & 0x80) /* if high bit is set */ { *d++ = '.'; --len; + if(len <= 1) + break; } else if(!IsPrint(*src)) /* if NOT printable */ { *d++ = '^'; --len; + if(len <= 1) + break; *d++ = 0x40 + *src; /* turn it into a printable */ } else