void rr_finish(const char *owner) { if (byte_equal(owner,2,"\1*")) { owner += 2; result.s[2] -= 19; } if (!stralloc_copyb(&key,owner,dns_domain_length(owner))) nomem(); case_lowerb(key.s,key.len); if (cdb_make_add(&cdb,key.s,key.len,result.s,result.len) == -1) die_datatmp(); }
int main() { int fddata; int i; int j; int k; char ch; unsigned long ttl; char ttd[8]; char loc[2]; unsigned long u; char ip[4]; char ip6[16]; char type[2]; char soa[20]; char buf[4]; umask(022); fddata = open_read("data"); if (fddata == -1) strerr_die2sys(111,FATAL,"unable to open data: "); defaultsoa_init(fddata); buffer_init(&b,buffer_unixread,fddata,bspace,sizeof bspace); fdcdb = open_trunc("data.tmp"); if (fdcdb == -1) die_datatmp(); if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp(); while (match) { ++linenum; if (getln(&b,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,"unable to read line: "); while (line.len) { ch = line.s[line.len - 1]; if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break; --line.len; } if (!line.len) continue; if (line.s[0] == '#') continue; if (line.s[0] == '-') continue; j = 1; for (i = 0;i < NUMFIELDS;++i) { if (j >= line.len) { if (!stralloc_copys(&f[i],"")) nomem(); } else { k = byte_chr(line.s + j,line.len - j,':'); if (!stralloc_copyb(&f[i],line.s + j,k)) nomem(); j += k + 1; } } switch(line.s[0]) { case '%': locparse(&f[0],loc); if (!stralloc_copyb(&key,"\0%",2)) nomem(); if (!stralloc_0(&f[1])) nomem(); ipprefix_cat(&key,f[1].s); if (cdb_make_add(&cdb,key.s,key.len,loc,2) == -1) die_datatmp(); break; case 'Z': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&u)) uint32_unpack_big(defaultsoa,&u); uint32_pack_big(soa,u); if (!stralloc_0(&f[4])) nomem(); if (!scan_ulong(f[4].s,&u)) uint32_unpack_big(defaultsoa + 4,&u); uint32_pack_big(soa + 4,u); if (!stralloc_0(&f[5])) nomem(); if (!scan_ulong(f[5].s,&u)) uint32_unpack_big(defaultsoa + 8,&u); uint32_pack_big(soa + 8,u); if (!stralloc_0(&f[6])) nomem(); if (!scan_ulong(f[6].s,&u)) uint32_unpack_big(defaultsoa + 12,&u); uint32_pack_big(soa + 12,u); if (!stralloc_0(&f[7])) nomem(); if (!scan_ulong(f[7].s,&u)) uint32_unpack_big(defaultsoa + 16,&u); uint32_pack_big(soa + 16,u); if (!stralloc_0(&f[8])) nomem(); if (!scan_ulong(f[8].s,&ttl)) ttl = TTL_NEGATIVE; ttdparse(&f[9],ttd); locparse(&f[10],loc); rr_start(DNS_T_SOA,ttl,ttd,loc); if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem(); rr_addname(d2); if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem(); rr_addname(d2); rr_add(soa,20); rr_finish(d1); break; case '.': case '&': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_NS; ttdparse(&f[4],ttd); locparse(&f[5],loc); if (!stralloc_0(&f[1])) nomem(); if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) { if (!stralloc_cats(&f[2],".ns.")) nomem(); if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem(); } if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem(); if (line.s[0] == '.') { rr_start(DNS_T_SOA,ttl ? TTL_NEGATIVE : 0,ttd,loc); rr_addname(d2); rr_add("\12hostmaster",11); rr_addname(d1); rr_add(defaultsoa,20); rr_finish(d1); } rr_start(DNS_T_NS,ttl,ttd,loc); rr_addname(d2); rr_finish(d1); if (ip4_scan(f[1].s,ip)) { rr_start(DNS_T_A,ttl,ttd,loc); rr_add(ip,4); rr_finish(d2); } break; case '+': case '=': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); locparse(&f[4],loc); if (!stralloc_0(&f[1])) nomem(); if (ip4_scan(f[1].s,ip)) { rr_start(DNS_T_A,ttl,ttd,loc); rr_add(ip,4); rr_finish(d1); if (line.s[0] == '=') { dns_name4_domain(dptr,ip); rr_start(DNS_T_PTR,ttl,ttd,loc); rr_addname(d1); rr_finish(dptr); } } break; case '6': case '3': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); locparse(&f[4],loc); if (!stralloc_0(&f[1])) nomem(); if (ip6_scan_flat(f[1].s,ip6)) { rr_start(DNS_T_AAAA,ttl,ttd,loc); rr_add(ip6,16); rr_finish(d1); if (line.s[0] == '6') { /* emit both .ip6.arpa and .ip6.int */ dns_name6_domain(d6ptr,ip6,DNS_IP6_ARPA); rr_start(DNS_T_PTR,ttl,ttd,loc); rr_addname(d1); rr_finish(d6ptr); dns_name6_domain(d6ptr,ip6,DNS_IP6_INT); rr_start(DNS_T_PTR,ttl,ttd,loc); rr_addname(d1); rr_finish(d6ptr); } } break; case '@': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[4])) nomem(); if (!scan_ulong(f[4].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[5],ttd); locparse(&f[6],loc); if (!stralloc_0(&f[1])) nomem(); if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) { if (!stralloc_cats(&f[2],".mx.")) nomem(); if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem(); } if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&u)) u = 0; rr_start(DNS_T_MX,ttl,ttd,loc); uint16_pack_big(buf,u); rr_add(buf,2); rr_addname(d2); rr_finish(d1); if (ip4_scan(f[1].s,ip)) { rr_start(DNS_T_A,ttl,ttd,loc); rr_add(ip,4); rr_finish(d2); } break; case '^': case 'C': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); locparse(&f[4],loc); if (line.s[0] == 'C') rr_start(DNS_T_CNAME,ttl,ttd,loc); else rr_start(DNS_T_PTR,ttl,ttd,loc); rr_addname(d2); rr_finish(d1); break; case '\'': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); locparse(&f[4],loc); rr_start(DNS_T_TXT,ttl,ttd,loc); txtparse(&f[1]); i = 0; while (i < f[1].len) { k = f[1].len - i; if (k > 127) k = 127; ch = k; rr_add(&ch,1); rr_add(f[1].s + i,k); i += k; } rr_finish(d1); break; case ':': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[4],ttd); locparse(&f[5],loc); if (!stralloc_0(&f[1])) nomem(); scan_ulong(f[1].s,&u); uint16_pack_big(type,u); if (byte_equal(type,2,DNS_T_AXFR)) syntaxerror(": type AXFR prohibited"); if (byte_equal(type,2,"\0\0")) syntaxerror(": type 0 prohibited"); if (byte_equal(type,2,DNS_T_SOA)) syntaxerror(": type SOA prohibited"); if (byte_equal(type,2,DNS_T_NS)) syntaxerror(": type NS prohibited"); if (byte_equal(type,2,DNS_T_CNAME)) syntaxerror(": type CNAME prohibited"); if (byte_equal(type,2,DNS_T_PTR)) syntaxerror(": type PTR prohibited"); if (byte_equal(type,2,DNS_T_MX)) syntaxerror(": type MX prohibited"); txtparse(&f[2]); rr_start(type,ttl,ttd,loc); rr_add(f[2].s,f[2].len); rr_finish(d1); break; default: syntaxerror(": unrecognized leading character"); } } if (cdb_make_finish(&cdb) == -1) die_datatmp(); if (fsync(fdcdb) == -1) die_datatmp(); if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */ if (rename("data.tmp","data.cdb") == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: "); _exit(0); }
int main(int argc, char **argv) { int fddata; uint32 loc; //int v; char ipa[4]; //char ipb[4]; //ip4_cidr_t *subnets = (ip4_cidr_t *)NULL; //unsigned int slen = 0; uint32 ipinta = 0U; //unsigned int ipintb = 0; unsigned short mask; uint32 uid = 0; uint32 mid = 0; int i; int j; int k; char ch; unsigned long ttl; char ttd[8]; //uint32 loc; unsigned char keyloc[15]; unsigned long u; char ip[4]; char locp[4]; //char map[9]; char type[2]; char soa[20]; char buf[4]; //int namlen = 0; umask(022); fddata = STDIN_FILENO; if (argc != 3) { fddata = open_read("data"); if (fddata == -1) strerr_die2sys(111,FATAL,"unable to open data: "); if ( (fdcdb = open_trunc("data.tmp")) == -1) die_datatmp(); } else { fddata = STDIN_FILENO; if ( (fdcdb = open_trunc(argv[1])) == -1) die_datatmp(); } defaultsoa_init(fddata); buffer_init(&b,buffer_unixread,fddata,bspace,sizeof bspace); if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp(); while (match) { ++linenum; if (getln(&b,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,"unable to read line: "); while (line.len) { ch = line.s[line.len - 1]; if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break; --line.len; } if (!line.len) continue; if (line.s[0] == '#') continue; if (line.s[0] == '-') continue; //write(1,line.s,line.len); //write(1,"\n",1); j = 1; for (i = 0;i < NUMFIELDS;++i) { if (j >= line.len) { if (!stralloc_copys(&f[i],"")) nomem(); } else { k = byte_chr(line.s + j,line.len - j,':'); if (!stralloc_copyb(&f[i],line.s + j,k)) nomem(); j += k + 1; } } switch(line.s[0]) { #ifdef USE_LOCMAPS case '%': //locparse(&f[0],loc); loc = gethash(f[0].s,f[0].len); uint32_pack(locp,loc); if (!stralloc_0(&f[1])) nomem(); if (!stralloc_0(&f[2])) nomem(); ip4_scan(f[1].s,ipa); //ip4_scan(f[2].s,ipb); scan_ushort(f[2].s,&mask); ip4_num(&ipinta,ipa); //ip4_num(&ipintb,ipb); //if (ipintb<ipinta) nomem(); //if (ip4_deaggregate(ipinta,ipintb,&subnets,&slen) <= 0) nomem(); mid = gethash(f[3].s,f[3].len); uid = gethash(f[4].s,f[4].len); //for (v = 0; v < slen; v++) { ipdb_key4build(keyloc,ipinta,(unsigned char )mask&0xff,mid,uid); //ipdb_key_from_uint(keyloc,ipinta,(unsigned char )mask&0xff,0,mid,uid); cdb_make_add(&cdb,keyloc,15,locp,4); //} uid = 0; //alloc_free(subnets); //subnets = NULL; //slen = 0; byte_zero(ipa,4);ipinta=0; //byte_zero(ipb,4);ipinta=0;ipintb=0; break; #endif case 'Z': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&u)) uint32_unpack_big(defaultsoa,&u); uint32_pack_big(soa,u); if (!stralloc_0(&f[4])) nomem(); if (!scan_ulong(f[4].s,&u)) uint32_unpack_big(defaultsoa + 4,&u); uint32_pack_big(soa + 4,u); if (!stralloc_0(&f[5])) nomem(); if (!scan_ulong(f[5].s,&u)) uint32_unpack_big(defaultsoa + 8,&u); uint32_pack_big(soa + 8,u); if (!stralloc_0(&f[6])) nomem(); if (!scan_ulong(f[6].s,&u)) uint32_unpack_big(defaultsoa + 12,&u); uint32_pack_big(soa + 12,u); if (!stralloc_0(&f[7])) nomem(); if (!scan_ulong(f[7].s,&u)) uint32_unpack_big(defaultsoa + 16,&u); uint32_pack_big(soa + 16,u); if (!stralloc_0(&f[8])) nomem(); if (!scan_ulong(f[8].s,&ttl)) ttl = TTL_NEGATIVE; ttdparse(&f[9],ttd); loc = gethash(f[10].s,f[10].len); mid = gethash(f[11].s,f[11].len); uid = gethash(f[12].s,f[12].len); rr_addloq(DNS_T_SOA,d1,loc,mid,uid); rr_start(DNS_T_SOA,ttl,ttd,loc); if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem(); rr_addname(d2); if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem(); rr_addname(d2); rr_add(soa,20); rr_finish(d1); break; case '.': case '&': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_NS; ttdparse(&f[4],ttd); loc = gethash(f[5].s,f[5].len); mid = gethash(f[6].s,f[6].len); uid = gethash(f[7].s,f[7].len); if (!stralloc_0(&f[1])) nomem(); if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) { if (!stralloc_cats(&f[2],".ns.")) nomem(); if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem(); } if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem(); if (line.s[0] == '.') { rr_start(DNS_T_SOA,ttl ? TTL_NEGATIVE : 0,ttd,loc); rr_addloq(DNS_T_SOA,d1,loc,mid,uid); rr_addname(d2); rr_add("\12hostmaster",11); rr_addname(d1); rr_add(defaultsoa,20); rr_finish(d1); } rr_start(DNS_T_NS,ttl,ttd,loc); rr_addname(d2); rr_addloq(DNS_T_NS,d2,loc,mid,uid); rr_finish(d1); if (ip4_scan(f[1].s,ip)) { rr_start(DNS_T_A,ttl,ttd,loc); rr_addloq(DNS_T_A,d2,loc,mid,uid); rr_add(ip,4); rr_finish(d2); } break; case '+': case '=': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); loc = gethash(f[4].s,f[4].len); mid = gethash(f[5].s,f[5].len); uid = gethash(f[6].s,f[6].len); if (!stralloc_0(&f[1])) nomem(); if (ip4_scan(f[1].s,ip)) { rr_addloq(DNS_T_A,d1,loc,mid,uid); rr_start(DNS_T_A,ttl,ttd,loc); //dbger("+addloq:d=%s,loc=%u,uid=%u,mid=%u",d1,loc,uid,mid); rr_add(ip,4); rr_finish(d1); if (line.s[0] == '=') { rr_addloq(DNS_T_PTR,d1,loc,mid,uid); //??????????????????/ TODO: checkthis dns_name4_domain(dptr,ip); rr_start(DNS_T_PTR,ttl,ttd,loc); rr_addname(d1); rr_finish(dptr); } } break; case '@': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[4])) nomem(); if (!scan_ulong(f[4].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[5],ttd); loc = gethash(f[6].s,f[6].len); mid = gethash(f[7].s,f[7].len); uid = gethash(f[8].s,f[8].len); if (!stralloc_0(&f[1])) nomem(); if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) { if (!stralloc_cats(&f[2],".mx.")) nomem(); if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem(); } if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&u)) u = 0; rr_addloq(DNS_T_MX,d1,loc,mid,uid); rr_start(DNS_T_MX,ttl,ttd,loc); uint16_pack_big(buf,u); rr_add(buf,2); rr_addname(d2); rr_finish(d1); if (ip4_scan(f[1].s,ip)) { rr_addloq(DNS_T_A,d2,loc,mid,uid); rr_start(DNS_T_A,ttl,ttd,loc); rr_add(ip,4); rr_finish(d2); } break; case '^': case 'C': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); loc = gethash(f[4].s,f[4].len); mid = gethash(f[5].s,f[5].len); uid = gethash(f[6].s,f[6].len); if (line.s[0] == 'C') { //rr_addloq(DNS_T_CNAME,d1,loc,mid,uid); //dbger("add loq for cname!"); rr_addloq(DNS_T_A,d1,loc,mid,uid); rr_addloq(DNS_T_CNAME,d1,loc,mid,uid); rr_start(DNS_T_CNAME,ttl,ttd,loc); } else { rr_addloq(DNS_T_PTR,d1,loc,mid,uid); rr_start(DNS_T_PTR,ttl,ttd,loc); } rr_addname(d2); rr_finish(d1); break; case '\'': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[2])) nomem(); if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[3],ttd); loc = gethash(f[4].s,f[4].len); mid = gethash(f[5].s,f[5].len); uid = gethash(f[6].s,f[6].len); rr_addloq(DNS_T_TXT,d1,loc,mid,uid); rr_start(DNS_T_TXT,ttl,ttd,loc); txtparse(&f[1]); i = 0; while (i < f[1].len) { k = f[1].len - i; if (k > 127) k = 127; ch = k; rr_add(&ch,1); rr_add(f[1].s + i,k); i += k; } rr_finish(d1); break; case ':': if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem(); if (!stralloc_0(&f[3])) nomem(); if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_POSITIVE; ttdparse(&f[4],ttd); loc = gethash(f[5].s,f[5].len); mid = gethash(f[6].s,f[6].len); uid = gethash(f[7].s,f[7].len); if (!stralloc_0(&f[1])) nomem(); scan_ulong(f[1].s,&u); uint16_pack_big(type,u); if (byte_equal(type,2,DNS_T_AXFR)) syntaxerror(": type AXFR prohibited"); if (byte_equal(type,2,"\0\0")) syntaxerror(": type 0 prohibited"); if (byte_equal(type,2,DNS_T_SOA)) syntaxerror(": type SOA prohibited"); if (byte_equal(type,2,DNS_T_NS)) syntaxerror(": type NS prohibited"); if (byte_equal(type,2,DNS_T_CNAME)) syntaxerror(": type CNAME prohibited"); if (byte_equal(type,2,DNS_T_PTR)) syntaxerror(": type PTR prohibited"); if (byte_equal(type,2,DNS_T_MX)) syntaxerror(": type MX prohibited"); txtparse(&f[2]); rr_addloq(type,d1,loc,mid,uid); rr_start(type,ttl,ttd,loc); rr_add(f[2].s,f[2].len); rr_finish(d1); break; default: dienow("error here: %s\n", line.s); syntaxerror(": unrecognized leading character"); } } if (cdb_make_finish(&cdb) == -1) die_datatmp(); if (fsync(fdcdb) == -1) die_datatmp(); if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */ if (argc == 3) { if (rename(argv[1],argv[2]) == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: "); } else { if (rename("data.tmp","data.cdb") == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: "); } _exit(0); }
int main() { char ip[4]; unsigned long u; unsigned int j; unsigned int k; char ch; umask(022); fd = open_read("data"); if (fd == -1) strerr_die2sys(111,FATAL,"unable to open data: "); buffer_init(&b,buffer_unixread,fd,bspace,sizeof bspace); fdcdb = open_trunc("data.tmp"); if (fdcdb == -1) die_datatmp(); if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp(); while (match) { ++linenum; if (getln(&b,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,"unable to read line: "); while (line.len) { ch = line.s[line.len - 1]; if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break; --line.len; } if (!line.len) continue; switch(line.s[0]) { default: syntaxerror(": unrecognized leading character"); case '#': break; case ':': j = byte_chr(line.s + 1,line.len - 1,':'); if (j >= line.len - 1) syntaxerror(": missing colon"); if (ip4_scan(line.s + 1,ip) != j) syntaxerror(": malformed IP address"); if (!stralloc_copyb(&tmp,ip,4)) nomem(); if (!stralloc_catb(&tmp,line.s + j + 2,line.len - j - 2)) nomem(); if (cdb_make_add(&cdb,"",0,tmp.s,tmp.len) == -1) die_datatmp(); break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': if (!stralloc_0(&line)) nomem(); j = 0; if (!stralloc_copys(&tmp,"")) nomem(); for (;;) { k = scan_ulong(line.s + j,&u); if (!k) break; ch = u; if (!stralloc_catb(&tmp,&ch,1)) nomem(); j += k; if (line.s[j] != '.') break; ++j; } if (!stralloc_catb(&tmp,"\0\0\0\0",4)) nomem(); tmp.len = 4; if (line.s[j] == '/') scan_ulong(line.s + j + 1,&u); else u = 32; if (u > 32) u = 32; ch = u; if (!stralloc_catb(&tmp,&ch,1)) nomem(); if (cdb_make_add(&cdb,tmp.s,tmp.len,"",0) == -1) die_datatmp(); break; } } if (cdb_make_finish(&cdb) == -1) die_datatmp(); if (fsync(fdcdb) == -1) die_datatmp(); if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */ if (rename("data.tmp","data.cdb") == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: "); return 0; }
main() { struct address t; int i; int j; int k; char ch; umask(022); if (!address_alloc_readyplus(&x,0)) nomem(); fd = open_read("data"); if (fd == -1) strerr_die2sys(111,FATAL,"unable to open data: "); buffer_init(&b,read,fd,bspace,sizeof bspace); fdcdb = open_trunc("data.tmp"); if (fdcdb == -1) die_datatmp(); if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp(); while (match) { ++linenum; if (getln(&b,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,"unable to read line: "); while (line.len) { ch = line.s[line.len - 1]; if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break; --line.len; } if (!line.len) continue; j = 1; for (i = 0; i < NUMFIELDS; ++i) { if (j >= line.len) { if (!stralloc_copys(&f[i],"")) nomem(); } else { k = byte_chr(line.s + j,line.len - j,':'); if (!stralloc_copyb(&f[i],line.s + j,k)) nomem(); j += k + 1; } } switch(line.s[0]) { default: syntaxerror(": unrecognized leading character"); case '#': break; case '-': break; case '+': byte_zero(&t,sizeof t); if (!dns_domain_fromdot(&t.name,f[0].s,f[0].len)) nomem(); t.namelen = dns_domain_length(t.name); case_lowerb(t.name,t.namelen); if (!stralloc_0(&f[1])) nomem(); if (!ip4_scan(f[1].s,t.ip)) syntaxerror(": malformed IP address"); if (!stralloc_0(&f[2])) nomem(); if (!stralloc_0(&f[2])) nomem(); byte_copy(t.location,2,f[2].s); if (!address_alloc_append(&x,&t)) nomem(); break; case '%': if (!stralloc_0(&f[0])) nomem(); if (!stralloc_0(&f[0])) nomem(); if (!stralloc_copyb(&result,f[0].s,2)) nomem(); if (!stralloc_0(&f[1])) nomem(); if (!stralloc_copys(&key,"%")) nomem(); ipprefix_cat(&key,f[1].s); if (cdb_make_add(&cdb,key.s,key.len,result.s,result.len) == -1) die_datatmp(); break; } } close(fd); address_sort(x.s,x.len); i = 0; while (i < x.len) { for (j = i + 1; j < x.len; ++j) if (address_diff(x.s + i,x.s + j)) break; if (!stralloc_copys(&key,"+")) nomem(); if (!stralloc_catb(&key,x.s[i].location,2)) nomem(); if (!stralloc_catb(&key,x.s[i].name,x.s[i].namelen)) nomem(); if (!stralloc_copys(&result,"")) nomem(); while (i < j) if (!stralloc_catb(&result,x.s[i++].ip,4)) nomem(); if (cdb_make_add(&cdb,key.s,key.len,result.s,result.len) == -1) die_datatmp(); } if (cdb_make_finish(&cdb) == -1) die_datatmp(); if (fsync(fdcdb) == -1) die_datatmp(); if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */ if (rename("data.tmp","data.cdb") == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: "); _exit(0); }