trusts/formats.c

   1 #include <stdio.h>
   2 #include <stdint.h>
   3 #include <time.h>
   4 #include <string.h>
   5 #include <stdlib.h>
   6 #include "../lib/strlfunc.h"
   7 #include "../irc/irc.h"
   8 #include "trusts.h"
   9
  10 char *trusts_cidr2str(struct irc_in_addr *ip, unsigned char bits) {
  11   static char buf[100];
  12   struct irc_in_addr iptemp;
  13   int i;
  14
  15   for(i=0;i<8;i++) {
  16     int curbits = bits - i * 16;
  17
  18     if (curbits<0)
  19       curbits = 0;
  20     else if (curbits>16)
  21       curbits = 16;
  22
  23     uint16_t mask = 0xffff & ~((1 << (16 - curbits)) - 1);
  24     iptemp.in6_16[i] = htons(ntohs(ip->in6_16[i]) & mask);
  25   }
  26
  27   snprintf(buf, sizeof(buf), "%s/%u", IPtostr(iptemp), (irc_in_addr_is_ipv4(&iptemp))?bits-96:bits);
  28
  29   return buf;
  30 }
  31
  32 char *trusts_timetostr(time_t t) {
  33   static char buf[100];
  34
  35   strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&t));
  36
  37   return buf;
  38 }
  39
  40 char *dumpth(trusthost *th, int oformat) {
  41   static char buf[512];
  42
  43   if(oformat) {
  44     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);
  45   } else {
  46     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);
  47   }
  48
  49   return buf;
  50 }
  51
  52 char *dumptg(trustgroup *tg, int oformat) {
  53   static char buf[512];
  54
  55   if(oformat) {
  56     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);
  57   } else {
  58     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);
  59   }
  60
  61   return buf;
  62 }
  63
  64 int parsetg(char *buf, trustgroup *tg, int oformat) {
  65   char *line, *createdby, *contact, *comment, *name, *id;
  66   unsigned long expires, lastseen, lastmaxusereset;
  67   char xbuf[1024];
  68   int pos;
  69
  70 /* #id,ticket35153,14,20,1,1,17,1879854575,1222639249,0,nterfacer,Qwhois&2120764,Non-Commercial Bouncer (Created by: doomie)
  71       ,name       ,current
  72                      ,trustedfor
  73                         ,flags
  74                           ,maxperident
  75                             ,maxusage
  76                                ,expires  ,lastseen   ,lastmaxusereset
  77                                                        ,createdby,contact       ,comment
  78 */
  79   int r;
  80
  81   strlcpy(xbuf, buf, sizeof(xbuf));
  82   line = xbuf;
  83
  84   if(!*line)
  85     return 0;
  86
  87   if(oformat) {
  88     if(line[0] != '#')
  89       return 0;
  90     line++;
  91   }
  92
  93   id = line;
  94   line = strchr(xbuf, ',');
  95   if(!line)
  96     return 0;
  97   *line++ = '\0';
  98
  99   if(oformat && (id[0] == '#'))
 100     id++;
 101
 102   tg->id = strtoul(id, NULL, 10);
 103   if(!tg->id)
 104     return 0;
 105
 106   name = line;
 107   line = strchr(line, ',');
 108   if(!line)
 109     return 0;
 110   *line++ = '\0';
 111
 112   if(oformat) {
 113     r = sscanf(line, "%*u,%u,%u,%u,%u,%lu,%lu,%lu,%n",
 114                /*current, */ &tg->trustedfor, &tg->flags, &tg->maxperident,
 115                &tg->maxusage, &expires, &lastseen, &lastmaxusereset, &pos);
 116
 117     if(tg->maxperident > 0)
 118       tg->flags |= TRUST_RELIABLE_USERNAME;
 119   } else {
 120     r = sscanf(line, "%u,%u,%u,%u,%lu,%lu,%lu,%n",
 121                &tg->trustedfor, &tg->flags, &tg->maxperident,
 122                &tg->maxusage, &expires, &lastseen, &lastmaxusereset, &pos);
 123   }
 124   if(r != 7)
 125     return 0;
 126
 127   tg->expires = (time_t)expires;
 128   tg->lastseen = (time_t)lastseen;
 129   tg->lastmaxusereset = (time_t)lastmaxusereset;
 130
 131   createdby = &line[pos];
 132   contact = strchr(createdby, ',');
 133   if(!contact)
 134     return 0;
 135   *contact++ = '\0';
 136
 137   comment = strchr(contact, ',');
 138   if(!comment)
 139     return 0;
 140   *comment++ = '\0';
 141
 142   tg->name = getsstring(name, TRUSTNAMELEN);
 143   tg->createdby = getsstring(createdby, CREATEDBYLEN);
 144   tg->comment = getsstring(comment, COMMENTLEN);
 145   tg->contact = getsstring(contact, CONTACTLEN);
 146   if(!tg->name || !tg->createdby || !tg->comment || !tg->contact) {
 147     freesstring(tg->name);
 148     freesstring(tg->createdby);
 149     freesstring(tg->comment);
 150     freesstring(tg->contact);
 151     return 0;
 152   }
 153
 154   return 1;
 155 }
 156
 157 int parseth(char *line, trusthost *th, unsigned int *tgid, int oformat) {
 158   unsigned long lastseen, created;
 159   int maxpernode, nodebits;
 160   char *ip, xbuf[1024], *id;
 161
 162 /* #id,213.230.192.128/26,20,23,1222732944
 163        ip                ,cur,max,lastseen */
 164
 165   strlcpy(xbuf, line, sizeof(xbuf));
 166   id = line = xbuf;
 167
 168   line = strchr(line, ',');
 169   if(!line)
 170     return 0;
 171   *line++ = '\0';
 172
 173   if(oformat && (id[0] == '#'))
 174     id++;
 175
 176   *tgid = strtoul(id, NULL, 10);
 177   if(!*tgid)
 178     return 0;
 179
 180   ip = line;
 181   line = strchr(line, ',');
 182   if(!line)
 183     return 0;
 184   *line++ = '\0';
 185
 186   if(!ipmask_parse(ip, &th->ip, &th->bits))
 187     return 0;
 188
 189   if(oformat) {
 190     if(sscanf(line, "%*u,%u,%lu", /*current, */&th->maxusage, &lastseen) != 2)
 191       return 0;
 192     created = getnettime();
 193     maxpernode = 0;
 194     nodebits = 128;
 195   } else {
 196     if(sscanf(line, "%u,%u,%lu,%lu,%d,%d", &th->id, &th->maxusage, &lastseen, &created, &maxpernode, &nodebits) != 6)
 197       return 0;
 198   }
 199
 200   th->lastseen = (time_t)lastseen;
 201   th->created = (time_t)created;
 202   th->maxpernode = maxpernode;
 203   th->nodebits = nodebits;
 204
 205   return 1;
 206 }
 207
 208 char *rtrim(char *buf) {
 209   static char obuf[1024];
 210   size_t len = strlcpy(obuf, buf, sizeof(obuf));
 211
 212   if((len < sizeof(obuf)) && (len > 0)) {
 213     int i;
 214     for(i=len-1;i>=0;i--) {
 215       if(obuf[i] != ' ')
 216         break;
 217
 218       obuf[i] = '\0';
 219     }
 220   }
 221
 222   return obuf;
 223 }