chanserv/authcmds/login.c

   1 /* Automatically generated by refactor.pl.
   2  *
   3  *
   4  * CMDNAME: login
   5  * CMDLEVEL: QCMD_SECURE | QCMD_NOTAUTHED
   6  * CMDARGS: 2
   7  * CMDDESC: Authenticates you on the bot.
   8  * CMDFUNC: csa_doauth
   9  * CMDPROTO: int csa_doauth(void *source, int cargc, char **cargv);
  10  */
  11
  12 #include "../chanserv.h"
  13 #include "../authlib.h"
  14 #include "../../lib/irc_string.h"
  15 #include <stdio.h>
  16 #include <string.h>
  17
  18 int csa_auth(void *source, int cargc, char **cargv, CRAlgorithm alg) {
  19   reguser *rup;
  20   activeuser* aup;
  21   nick *sender=source;
  22   nicklist *nl = NULL;
  23   char userhost[USERLEN+HOSTLEN+2];
  24   int ucount=0;
  25   int challenge=0;
  26   char *authtype = "AUTH";
  27
  28   if (alg) {
  29     challenge=1;
  30     authtype = "CHALLENGEAUTH";
  31   } else if (cargc<2) {
  32     chanservstdmessage(sender, QM_NOTENOUGHPARAMS, "auth");
  33     return CMD_ERROR;
  34   }
  35
  36   if (!(aup = getactiveuserfromnick(sender)))
  37     return CMD_ERROR;
  38
  39   aup->authattempts++;
  40   if (aup->authattempts > MAXAUTHATTEMPT) {
  41     if ((aup->authattempts % 100) == 0)
  42       chanservwallmessage("Warning: User %s!%s@%s attempted to auth %d times. Last attempt: %s %s %s",
  43         nl->np->nick, nl->np->ident, nl->np->host->name->content, authtype, cargv[0], cargv[1]);
  44     chanservstdmessage(sender, QM_AUTHFAIL);
  45     cs_log(sender,"%s FAIL too many auth attempts (last attempt: %s %s %s)", authtype, authtype, cargv[0], cargv[1]);
  46     return CMD_ERROR;
  47   }
  48
  49   if (!(rup=findreguserbynick(cargv[0]))) {
  50     chanservstdmessage(sender, QM_AUTHFAIL);
  51     cs_log(sender,"%s FAIL bad username %s",authtype,cargv[0]);
  52     return CMD_ERROR;
  53   }
  54
  55   if (!challenge) {
  56     if (!checkpassword(rup, cargv[1])) {
  57       chanservstdmessage(sender, QM_AUTHFAIL);
  58       cs_log(sender,"%s FAIL username %s bad password %s",authtype,rup->username,cargv[1]);
  59       return CMD_ERROR;
  60     }
  61   } else {
  62     if (!checkresponse(rup, aup->entropy, cargv[1], alg)) {
  63       chanservstdmessage(sender, QM_AUTHFAIL);
  64       cs_log(sender,"%s FAIL username %s bad response",authtype,rup->username);
  65       return CMD_ERROR;
  66     }
  67   }
  68
  69   rup->lastauth=time(NULL);
  70   sprintf(userhost,"%s@%s",sender->ident,sender->host->name->content);
  71   if (rup->lastuserhost)
  72     freesstring(rup->lastuserhost);
  73   rup->lastuserhost=getsstring(userhost,USERLEN+HOSTLEN+1);
  74
  75   if (UHasSuspension(rup) && rup->suspendexp && (time(0) >= rup->suspendexp)) {
  76     /* suspension has expired, remove it */
  77     rup->flags&=(~(QUFLAG_SUSPENDED|QUFLAG_GLINE|QUFLAG_DELAYEDGLINE));
  78     rup->suspendby=0;
  79     rup->suspendexp=0;
  80     freesstring(rup->suspendreason);
  81     rup->suspendreason=0;
  82   }
  83
  84   if (UIsNeedAuth(rup))
  85     rup->flags&=~(QUFLAG_NEEDAUTH);
  86   csdb_updateuser(rup);
  87
  88   if (UIsDelayedGline(rup)) {
  89     /* delayed-gline - schedule the user's squelching */
  90     deleteschedule(NULL, &chanservdgline, (void*)rup); /* icky, but necessary unless we stick more stuff in reguser structure */
  91     scheduleoneshot(time(NULL)+rand()%900, &chanservdgline, (void*)rup);
  92   }
  93   else if (UIsGline(rup)) {
  94     /* instant-gline - lets be lazy and set a schedule expiring now :) */
  95     deleteschedule(NULL, &chanservdgline, (void*)rup); /* icky, but necessary unless we stick more stuff in reguser structure */
  96     scheduleoneshot(time(NULL), &chanservdgline, (void*)rup);
  97   }
  98   else if (UIsSuspended(rup)) {
  99     /* plain suspend */
 100     chanservstdmessage(sender, QM_AUTHSUSPENDED);
 101     if(rup->suspendreason)
 102       chanservstdmessage(sender, QM_REASON, rup->suspendreason->content);
 103     if (rup->suspendexp) {
 104       struct tm* tmp;
 105       char buf[200];
 106
 107       tmp=gmtime(&(rup->suspendexp));
 108       strftime(buf, 15, "%d/%m/%y %H:%M", tmp);
 109       chanservstdmessage(sender, QM_EXPIRES, buf);
 110     }
 111     return CMD_ERROR;
 112   }
 113
 114   if (!UHasHelperPriv(rup) && !UIsNoAuthLimit(rup)) {
 115     for (nl=rup->nicks; nl; nl=nl->next)
 116       ucount++;
 117
 118     if (ucount >= MAXAUTHCOUNT) {
 119       chanservstdmessage(sender, QM_TOOMANYAUTHS);
 120       return CMD_ERROR;
 121     }
 122   }
 123
 124   chanservstdmessage(sender, QM_AUTHOK, rup->username);
 125
 126   cs_log(sender,"%s OK username %s", authtype,rup->username);
 127   localusersetaccount(sender, rup->username);
 128
 129   return CMD_OK;
 130 }
 131
 132 int csa_doauth(void *source, int cargc, char **cargv) {
 133   return csa_auth(source, cargc, cargv, NULL);
 134 }