srvx-commits

[Adrian D. <sai...@us...>]

Update of /cvsroot/srvx/services/src
In directory usw-pr-cvs1:/tmp/cvs-serv29373

Modified Files:
	helpserv.c 
Log Message:
Forward-port buffer overflow fixes and alloca() removal from 1.1


Index: helpserv.c
===================================================================
RCS file: /cvsroot/srvx/services/src/helpserv.c,v
retrieving revision 1.37
retrieving revision 1.38
diff -C2 -r1.37 -r1.38
*** helpserv.c	29 Sep 2002 00:06:00 -0000	1.37
--- helpserv.c	30 Sep 2002 01:43:56 -0000	1.38
***************
*** 1902,1908 ****
  
      if (is_valid_nick(argv[1])) {
!         char *newnick = argv[1], *oldnick, *reason;
  
-         oldnick = alloca(strlen(hs->helpserv->nick) + 1);
          strcpy(oldnick, hs->helpserv->nick);
  
--- 1902,1907 ----
  
      if (is_valid_nick(argv[1])) {
!         char *newnick = argv[1], oldnick[NICKLEN], reason[MAXLEN];
  
          strcpy(oldnick, hs->helpserv->nick);
  
***************
*** 1918,1923 ****
          helpserv_notice(user, HSMSG_RENAMED, oldnick, newnick);
  
!         reason = alloca(strlen(user->nick) + strlen(newnick) + strlen(hs->helpchan->name) + strlen(oldnick) + 30);
!         sprintf(reason, "HelpServ bot %s (in %s) renamed to %s by %s.", oldnick, hs->helpchan->name, newnick, user->nick);
          global_message(MESSAGE_RECIPIENT_OPERS, reason);
  
--- 1917,1921 ----
          helpserv_notice(user, HSMSG_RENAMED, oldnick, newnick);
  
!         snprintf(reason, MAXLEN, "HelpServ bot %s (in %s) renamed to %s by %s.", oldnick, hs->helpchan->name, newnick, user->nick);
          global_message(MESSAGE_RECIPIENT_OPERS, reason);
  
***************
*** 1925,1932 ****
      } else if (IsChannelName(argv[1])) {
          struct chanNode *old_helpchan = hs->helpchan;
!         char *newchan = argv[1], *oldchan, *reason;
          struct helpserv_botlist *botlist;
  
-         oldchan = alloca(strlen(hs->helpchan->name) + 1);
          strcpy(oldchan, hs->helpchan->name);
  
--- 1923,1929 ----
      } else if (IsChannelName(argv[1])) {
          struct chanNode *old_helpchan = hs->helpchan;
!         char *newchan = argv[1], oldchan[CHANNELLEN], reason[MAXLEN];
          struct helpserv_botlist *botlist;
  
          strcpy(oldchan, hs->helpchan->name);
  
***************
*** 1947,1954 ****
          }
  
-         reason = alloca(strlen(user->nick) + strlen(newchan) + strlen(oldchan) + strlen(hs->helpserv->nick) + 28);
          hs->helpchan = NULL;
          if (!helpserv_in_channel(hs, old_helpchan)) {
!             sprintf(reason, "Moved to %s by %s.", newchan, user->nick);
              DelChannelUser(hs->helpserv, old_helpchan, reason, 0);
          }
--- 1944,1950 ----
          }
  
          hs->helpchan = NULL;
          if (!helpserv_in_channel(hs, old_helpchan)) {
!             snprintf(reason, MAXLEN, "Moved to %s by %s.", newchan, user->nick);
              DelChannelUser(hs->helpserv, old_helpchan, reason, 0);
          }
***************
*** 1969,1973 ****
          helpserv_botlist_append(botlist, hs);
  
!         sprintf(reason, "HelpServ %s (%s) moved to %s by %s.", hs->helpserv->nick, oldchan, newchan, user->nick);
          global_message(MESSAGE_RECIPIENT_OPERS, reason);
  
--- 1965,1969 ----
          helpserv_botlist_append(botlist, hs);
  
!         snprintf(reason, MAXLEN, "HelpServ %s (%s) moved to %s by %s.", hs->helpserv->nick, oldchan, newchan, user->nick);
          global_message(MESSAGE_RECIPIENT_OPERS, reason);
  
***************
*** 2299,2303 ****
  
  static HELPSERV_FUNC(cmd_register) {
!     char *nick, *helpchan, *reason;
      struct handle_info *handle;
  
--- 2295,2299 ----
  
  static HELPSERV_FUNC(cmd_register) {
!     char *nick, *helpchan, reason[MAXLEN];
      struct handle_info *handle;
  
***************
*** 2338,2343 ****
      helpserv_notice(user, HSMSG_REG_SUCCESS, handle->handle, nick);
  
!     reason = alloca(strlen(user->nick) + strlen(nick) + strlen(hs->helpchan->name) + 43);
!     sprintf(reason, "HelpServ %s (%s) registered to %s by %s.", nick, hs->helpchan->name, handle->handle, user->nick);
      /* Not sent to helpers, since they can't register HelpServ */
      global_message(MESSAGE_RECIPIENT_OPERS, reason);
--- 2334,2338 ----
      helpserv_notice(user, HSMSG_REG_SUCCESS, handle->handle, nick);
  
!     snprintf(reason, MAXLEN, "HelpServ %s (%s) registered to %s by %s.", nick, hs->helpchan->name, handle->handle, user->nick);
      /* Not sent to helpers, since they can't register HelpServ */
      global_message(MESSAGE_RECIPIENT_OPERS, reason);
***************
*** 2369,2373 ****
  static HELPSERV_FUNC(cmd_unregister) {
      int len;
!     char reason[MAXLEN], *channame, *botname;
      struct helpserv_botlist *botlist;
  
--- 2364,2368 ----
  static HELPSERV_FUNC(cmd_unregister) {
      int len;
!     char reason[MAXLEN], channame[CHANNELLEN], botname[NICKLEN];
      struct helpserv_botlist *botlist;
  
***************
*** 2386,2401 ****
  
      len = strlen(hs->helpserv->nick) + 1;
-     botname = alloca(len);
      safestrncpy(botname, hs->helpserv->nick, len);
      len = strlen(hs->helpchan->name) + 1;
-     channame = alloca(len);
      safestrncpy(channame, hs->helpchan->name, len);
  
!     sprintf(reason, "HelpServ unregistered by %s.", user->nick);
      DelUser(hs->helpserv, NULL, 1, reason);
  
      dict_remove(helpserv_bots_dict, botname);
  
!     sprintf(reason, "HelpServ %s (%s) unregistered by %s.", botname, channame, user->nick);
      global_message(MESSAGE_RECIPIENT_OPERS, reason);
      return 1;
--- 2381,2394 ----
  
      len = strlen(hs->helpserv->nick) + 1;
      safestrncpy(botname, hs->helpserv->nick, len);
      len = strlen(hs->helpchan->name) + 1;
      safestrncpy(channame, hs->helpchan->name, len);
  
!     snprintf(reason, MAXLEN, "HelpServ unregistered by %s.", user->nick);
      DelUser(hs->helpserv, NULL, 1, reason);
  
      dict_remove(helpserv_bots_dict, botname);
  
!     snprintf(reason, MAXLEN, "HelpServ %s (%s) unregistered by %s.", botname, channame, user->nick);
      global_message(MESSAGE_RECIPIENT_OPERS, reason);
      return 1;
***************
*** 3200,3205 ****
                  if (hs->persist_types[PERSIST_T_HELPER] == PERSIST_PART) {
                      if (req->helper == hs_user) {
!                         char *reason;
!                         reason = alloca(8 + strlen(chan->name));
                          sprintf(reason, "parted %s", chan->name);
                          helpserv_page_helper_gone(hs, req, reason);
--- 3193,3197 ----
                  if (hs->persist_types[PERSIST_T_HELPER] == PERSIST_PART) {
                      if (req->helper == hs_user) {
!                         char reason[CHANNELLEN + 8];
                          sprintf(reason, "parted %s", chan->name);
                          helpserv_page_helper_gone(hs, req, reason);