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[thirdparty/sarg.git] / ip2name.c
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1/*
2 * AUTHOR: Pedro Lineu Orso orso@brturbo.com.br
3 * 1998, 2005
4 * SARG Squid Analysis Report Generator http://sarg-squid.org
5 *
6 * SARG donations:
7 * please look at http://sarg.sourceforge.net/donations.php
8 * ---------------------------------------------------------------------
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
23 *
24 */
25
26#include "include/conf.h"
27
28void ip2name(char *ip)
29{
30 u_long addr;
31 struct hostent *hp;
32 char **p;
33
34 if ((int)(addr = inet_addr(ip)) == -1)
35 return;
36
37 hp = gethostbyaddr((char *)&addr, sizeof (addr), AF_INET);
38 if (hp == NULL)
39 return;
40
41 for (p = hp->h_addr_list; *p != 0; p++) {
42 struct in_addr in;
43
44 (void) memcpy(&in.s_addr, *p, sizeof (in.s_addr));
45 (void) sprintf(ip,"%s", hp->h_name);
46 }
47
48 return;
49}
50
51void name2ip(char *name)
52{
53 struct in_addr ia;
54 struct hostent *hp;
55 char work[MAXLEN];
56 char n1[4];
57 char n2[4];
58 char n3[4];
59 char n4[4];
60
61 if(strstr(name,":") > 0) {
62 getword(work,name,':');
63 strcpy(name,work);
64 }
65
66 if((hp=gethostbyname(name))==NULL)
67 return;
68 else {
69 memcpy(&ia.s_addr,hp->h_addr_list[0],sizeof(ia.s_addr));
70 ia.s_addr=ntohl(ia.s_addr);
71 sprintf(name,"%s",inet_ntoa(ia));
72 getword(n4,name,'.');
73 getword(n3,name,'.');
74 getword(n2,name,'.');
75 strcpy(n1,name);
76 sprintf(name,"%s.%s.%s.%s",n1,n2,n3,n4);
77
78 }
79
80 return;
81}