]>
git.ipfire.org Git - thirdparty/sarg.git/blob - ip2name.c
2 * SARG Squid Analysis Report Generator http://sarg.sourceforge.net
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8 * http://sourceforge.net/projects/sarg/forums/forum/363374
9 * ---------------------------------------------------------------------
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
27 #include "include/conf.h"
28 #include "include/defs.h"
29 #ifdef HAVE_WS2TCPIP_H
30 #include <ws2tcpip.h> //define getnameinfo on windows
33 void ip2name(char *ip
,int ip_len
)
35 #ifdef HAVE_GETNAMEINFO
36 struct sockaddr_storage sa
;
37 char host
[NI_MAXHOST
];
38 int n1
,n2
,n3
,n4
,next
=0;
41 memset(&sa
,0,sizeof(sa
));
42 if (sscanf(ip
,"%d.%d.%d.%d%n",&n1
,&n2
,&n3
,&n4
,&next
)==4 && ip
[next
]=='\0') {
43 struct sockaddr_in
*s4
=(struct sockaddr_in
*)&sa
;
44 if (inet_pton(AF_INET
,ip
,&s4
->sin_addr
)!=1) return;
47 struct sockaddr_in6
*s6
=(struct sockaddr_in6
*)&sa
;
48 if (inet_pton(AF_INET6
,ip
,&s6
->sin6_addr
)!=1) return;
49 sa
.ss_family
=AF_INET6
;
51 error
=getnameinfo((struct sockaddr
*)&sa
,sizeof(sa
),host
,sizeof(host
),NULL
,0,0);
54 strncpy(ip
,host
,ip_len
-1);
57 debuga(_("IP to name resolution (getnameinfo) on IP address %s failed with error %d - %s\n"),ip
,error
,gai_strerror(error
));
65 if (inet_aton(ip
,&addr
) == 0)
68 addr
.s_addr
=inet_addr(ip
);
69 if (addr
.s_addr
==-1) return;
72 hp
= gethostbyaddr((void *)&addr
, sizeof (addr
), AF_INET
);
76 for (p
= hp
->h_addr_list
; *p
!= 0; p
++) {
79 (void) memcpy(&in
.s_addr
, *p
, sizeof (in
.s_addr
));
80 strncpy(ip
,hp
->h_name
,ip_len
-1);
87 void name2ip(char *name
)
96 struct getwordstruct gwarea
;
98 port
=strchr(name
,':');
101 if((hp
=gethostbyname(name
))==NULL
)
104 memcpy(&ia
.s_addr
,hp
->h_addr_list
[0],sizeof(ia
.s_addr
));
105 ia
.s_addr
=ntohl(ia
.s_addr
);
106 getword_start(&gwarea
,inet_ntoa(ia
));
107 if (getword(n4
,sizeof(n4
),&gwarea
,'.')<0 || getword(n3
,sizeof(n3
),&gwarea
,'.')<0 ||
108 getword(n2
,sizeof(n2
),&gwarea
,'.')<0 || getword(n1
,sizeof(n1
),&gwarea
,0)<0) {
109 printf("SARG: Maybe you have a broken record or garbage in your %s ip address.\n",gwarea
.beginning
);
112 sprintf(name
,"%s.%s.%s.%s",n1
,n2
,n3
,n4
);