Use the canonicalized IP address to look up the TH.

[irc/quakenet/newserv.git] / trusts / formats.c

#include <stdio.h>
#include <stdint.h>
#include <time.h>
#include <string.h>
#include <stdlib.h>
#include "../lib/strlfunc.h"
#include "../irc/irc.h"
#include "trusts.h"

char *trusts_cidr2str(struct irc_in_addr *ip, unsigned char bits) {
  static char buf[100];
  struct irc_in_addr iptemp;
  int i;

  for(i=0;i<8;i++) {
    int curbits = bits - i * 16;

    if (curbits<0)
      curbits = 0;
    else if (curbits>16)
      curbits = 16;

    uint16_t mask = 0xffff & ~((1 << (16 - curbits)) - 1);
    iptemp.in6_16[i] = htons(ntohs(ip->in6_16[i]) & mask);
  }

  snprintf(buf, sizeof(buf), "%s/%u", IPtostr(iptemp), (irc_in_addr_is_ipv4(&iptemp))?bits-96:bits);

  return buf;
}

char *trusts_timetostr(time_t t) {
  static char buf[100];

  strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&t));

  return buf;
}

char *dumpth(trusthost *th, int oformat) {
  static char buf[512];

  if(oformat) {
    snprintf(buf, sizeof(buf), "#%u,%s,%u,%u,%jd", th->group->id, trusts_cidr2str(&th->ip, th->bits), th->count, th->maxusage, (intmax_t)th->lastseen);
  } else {
    snprintf(buf, sizeof(buf), "%u,%s,%u,%u,%jd,%jd,%u,%u", th->group->id, trusts_cidr2str(&th->ip, th->bits), th->id, th->maxusage, (intmax_t)th->lastseen, (intmax_t)th->created, th->maxpernode, th->nodebits);
  }

  return buf;
}

char *dumptg(trustgroup *tg, int oformat) {
  static char buf[512];

  if(oformat) {
    snprintf(buf, sizeof(buf), "#%u,%s,%u,%u,%d,%u,%u,%jd,%jd,%jd,%s,%s,%s", tg->id, tg->name->content, tg->count, tg->trustedfor, tg->flags & TRUST_ENFORCE_IDENT, tg->maxperident, tg->maxusage, (intmax_t)tg->expires, (intmax_t)tg->lastseen, (intmax_t)tg->lastmaxusereset, tg->createdby->content, tg->contact->content, tg->comment->content);
  } else {
    snprintf(buf, sizeof(buf), "%u,%s,%u,%d,%u,%u,%jd,%jd,%jd,%s,%s,%s", tg->id, tg->name->content, tg->trustedfor, tg->flags, tg->maxperident, tg->maxusage, (intmax_t)tg->expires, (intmax_t)tg->lastseen, (intmax_t)tg->lastmaxusereset, tg->createdby->content, tg->contact->content, tg->comment->content);
  }

  return buf;
}

int parsetg(char *buf, trustgroup *tg, int oformat) {
  char *line, *createdby, *contact, *comment, *name, *id;
  unsigned long expires, lastseen, lastmaxusereset;
  char xbuf[1024];
  int pos;

/* #id,ticket35153,14,20,1,1,17,1879854575,1222639249,0,nterfacer,Qwhois&2120764,Non-Commercial Bouncer (Created by: doomie)
      ,name       ,current
                     ,trustedfor
                        ,flags
                          ,maxperident
                            ,maxusage
                               ,expires  ,lastseen   ,lastmaxusereset
                                                       ,createdby,contact       ,comment
*/
  int r;

  strlcpy(xbuf, buf, sizeof(xbuf));
  line = xbuf;

  if(!*line)
    return 0;

  if(oformat) {
    if(line[0] != '#')
      return 0;
    line++;
  }

  id = line;
  line = strchr(xbuf, ',');
  if(!line)
    return 0;
  *line++ = '\0';

  if(oformat && (id[0] == '#'))
    id++;

  tg->id = strtoul(id, NULL, 10);
  if(!tg->id)
    return 0;

  name = line;
  line = strchr(line, ',');
  if(!line)
    return 0;
  *line++ = '\0';

  if(oformat) {
    r = sscanf(line, "%*u,%u,%u,%u,%u,%lu,%lu,%lu,%n",
               /*current, */ &tg->trustedfor, &tg->flags, &tg->maxperident,
               &tg->maxusage, &expires, &lastseen, &lastmaxusereset, &pos);
  } else {
    r = sscanf(line, "%u,%u,%u,%u,%lu,%lu,%lu,%n",
               &tg->trustedfor, &tg->flags, &tg->maxperident,
               &tg->maxusage, &expires, &lastseen, &lastmaxusereset, &pos);
  }
  if(r != 7)
    return 0;

  tg->expires = (time_t)expires;
  tg->lastseen = (time_t)lastseen;
  tg->lastmaxusereset = (time_t)lastmaxusereset;

  createdby = &line[pos];
  contact = strchr(createdby, ',');
  if(!contact)
    return 0;
  *contact++ = '\0';

  comment = strchr(contact, ',');
  if(!comment)
    return 0;
  *comment++ = '\0';

  tg->name = getsstring(name, TRUSTNAMELEN);
  tg->createdby = getsstring(createdby, CREATEDBYLEN);
  tg->comment = getsstring(comment, COMMENTLEN);
  tg->contact = getsstring(contact, CONTACTLEN);
  if(!tg->name || !tg->createdby || !tg->comment || !tg->contact) {
    freesstring(tg->name);
    freesstring(tg->createdby);
    freesstring(tg->comment);
    freesstring(tg->contact);
    return 0;
  }

  return 1;
}

int parseth(char *line, trusthost *th, unsigned int *tgid, int oformat) {
  unsigned long lastseen, created;
  int maxpernode, nodebits;
  char *ip, xbuf[1024], *id;

/* #id,213.230.192.128/26,20,23,1222732944
       ip                ,cur,max,lastseen */

  strlcpy(xbuf, line, sizeof(xbuf));
  id = line = xbuf;

  line = strchr(line, ',');
  if(!line)
    return 0;
  *line++ = '\0';

  if(oformat && (id[0] == '#'))
    id++;

  *tgid = strtoul(id, NULL, 10);
  if(!*tgid)
    return 0;

  ip = line;
  line = strchr(line, ',');
  if(!line)
    return 0;
  *line++ = '\0';

  if(!ipmask_parse(ip, &th->ip, &th->bits))
    return 0;

  if(oformat) {
    if(sscanf(line, "%*u,%u,%lu", /*current, */&th->maxusage, &lastseen) != 2)
      return 0;
    created = getnettime();
    maxpernode = 0;
    nodebits = 128;
  } else {
    if(sscanf(line, "%u,%u,%lu,%lu,%d,%d", &th->id, &th->maxusage, &lastseen, &created, &maxpernode, &nodebits) != 6)
      return 0;
  }

  th->lastseen = (time_t)lastseen;
  th->created = (time_t)created;
  th->maxpernode = maxpernode;
  th->nodebits = nodebits;

  return 1;
}

char *rtrim(char *buf) {
  static char obuf[1024];
  size_t len = strlcpy(obuf, buf, sizeof(obuf));

  if((len < sizeof(obuf)) && (len > 0)) {
    int i;
    for(i=len-1;i>=0;i--) {
      if(obuf[i] != ' ')
        break;

      obuf[i] = '\0';
    }
  }

  return obuf;
}