X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Flocate_host.c;h=64879eefbb797115d5037b89572205a702977611;hb=HEAD;hp=f7878684352db5ced117d24a5ce664de8d461e7d;hpb=f781bc87eeff269e5d570e0d9ecf14efac980cf4;p=citadel.git diff --git a/citadel/locate_host.c b/citadel/locate_host.c deleted file mode 100644 index f78786843..000000000 --- a/citadel/locate_host.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * $Id$ - * - * locate the originating host - * - */ - -#ifdef DLL_EXPORT -#define IN_LIBCIT -#endif - -#include "sysdep.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "citadel.h" -#include "server.h" -#include "dynloader.h" -#include "locate_host.h" -#include "sysdep_decls.h" -#include "config.h" -#include "tools.h" - -void locate_host(char *tbuf, size_t n, const struct in_addr *addr) -{ - struct hostent *ch; - char *i; - int a1, a2, a3, a4; - - lprintf(9, "locate_host() called\n"); - -#ifdef HAVE_NONREENTRANT_NETDB - begin_critical_section(S_NETDB); -#endif - - if ((ch = gethostbyaddr((char *) addr, sizeof(*addr), AF_INET)) == - NULL) { - bad_dns: - i = (char *) addr; - a1 = ((*i++) & 0xff); - a2 = ((*i++) & 0xff); - a3 = ((*i++) & 0xff); - a4 = ((*i++) & 0xff); - snprintf(tbuf, n, "%d.%d.%d.%d", a1, a2, a3, a4); - goto end; /* because we might need to end the critical - section */ - } - /* check if the forward DNS agrees; if not, they're spoofing */ - i = strdoop(ch->h_name); - ch = gethostbyname(i); - phree(i); - if (ch == NULL) - goto bad_dns; - - /* check address for consistency */ - for (; *ch->h_addr_list; ch->h_addr_list++) - if (!memcmp(*ch->h_addr_list, addr, - sizeof *addr)) { - safestrncpy(tbuf, ch->h_name, 63); - goto end; - } - goto bad_dns; /* they were spoofing. report a numeric IP - address. */ - - end: - -#ifdef HAVE_NONREENTRANT_NETDB - end_critical_section(S_NETDB); -#endif - - tbuf[63] = 0; - lprintf(9, "locate_host() exiting\n"); -}