134 lines
3.0 KiB
C
134 lines
3.0 KiB
C
/* consts.c - Common config constants & handling
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Copyright (C) 2000, 2001 Thomas Moestl
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Copyright (C) 2002, 2003, 2005, 2006, 2007, 2009 Paul A. Rombouts
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This file is part of the pdnsd package.
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pdnsd is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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pdnsd is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pdnsd; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include "consts.h"
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#include "rr_types.h"
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/* Order alphabetically!! */
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static const namevalue_t const_dic[]={
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{"auth", C_AUTH},
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{"default", C_DEFAULT},
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{"dev", C_DEV},
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{"diald", C_DIALD},
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{"discover", C_DISCOVER},
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{"domain", C_DOMAIN},
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{"excluded", C_EXCLUDED},
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{"exec", C_EXEC},
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{"fail", C_FAIL},
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{"false", C_OFF},
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{"fqdn_only", C_FQDN_ONLY},
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{"if", C_IF},
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{"included", C_INCLUDED},
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{"negate", C_NEGATE},
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{"no", C_OFF},
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{"none", C_NONE},
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{"off", C_OFF},
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{"on", C_ON},
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{"onquery", C_ONQUERY},
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{"ontimeout", C_ONTIMEOUT},
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{"ping", C_PING},
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{"query", C_QUERY},
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{"simple_only", C_SIMPLE_ONLY},
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{"tcp_only", TCP_ONLY},
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{"tcp_udp", TCP_UDP},
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{"true", C_ON},
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{"udp_only", UDP_ONLY},
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{"udp_tcp", UDP_TCP},
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{"yes", C_ON}
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};
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/* Added by Paul Rombouts */
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static const char *const const_names[]={
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"error",
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"on",
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"off",
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"default",
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"discover",
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"none",
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"if",
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"exec",
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"ping",
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"query",
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"onquery",
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"ontimeout",
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"udp_only",
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"tcp_only",
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"tcp_udp",
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"udp_tcp",
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"dev",
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"diald",
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"included",
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"excluded",
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"simple_only",
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"fqdn_only",
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"auth",
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"domain",
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"fail",
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"negate"
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};
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/* compare two strings.
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The first one is given as pointer to a char array of length len (which
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should not contain any null chars),
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the second one as a pointer to a null terminated char array.
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*/
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inline static int keyncmp(const char *key1, int len, const char *key2)
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{
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int cmp=strncmp(key1,key2,len);
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if(cmp) return cmp;
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return -(int)((unsigned char)(key2[len]));
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}
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int binsearch_keyword(const char *name, int len, const namevalue_t dic[], int range)
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{
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int i=0,j=range;
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while(i<j) {
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int k=(i+j)/2;
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int cmp=keyncmp(name,len,dic[k].name);
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if(cmp<0)
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j=k;
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else if(cmp>0)
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i=k+1;
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else
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return dic[k].val;
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}
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return 0;
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}
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int lookup_const(const char *name, int len)
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{
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return binsearch_keyword(name,len,const_dic,sizeof(const_dic)/sizeof(namevalue_t));
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}
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/* Added by Paul Rombouts */
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const char *const_name(int c)
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{
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return (c>=0 && c<sizeof(const_names)/sizeof(char *))? const_names[c] : "ILLEGAL!";
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}
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