| canohost.c (126277) | canohost.c (128460) |
|---|---|
| 1/* 2 * Author: Tatu Ylonen <ylo@cs.hut.fi> 3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4 * All rights reserved 5 * Functions for returning the canonical host name of the remote site. 6 * 7 * As far as I am concerned, the code I have written for this software 8 * can be used freely for any purpose. Any derived versions of this --- 30 unchanged lines hidden (view full) --- 39 /* Get IP address of client. */ 40 fromlen = sizeof(from); 41 memset(&from, 0, sizeof(from)); 42 if (getpeername(socket, (struct sockaddr *)&from, &fromlen) < 0) { 43 debug("getpeername failed: %.100s", strerror(errno)); 44 cleanup_exit(255); 45 } 46 | 1/* 2 * Author: Tatu Ylonen <ylo@cs.hut.fi> 3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4 * All rights reserved 5 * Functions for returning the canonical host name of the remote site. 6 * 7 * As far as I am concerned, the code I have written for this software 8 * can be used freely for any purpose. Any derived versions of this --- 30 unchanged lines hidden (view full) --- 39 /* Get IP address of client. */ 40 fromlen = sizeof(from); 41 memset(&from, 0, sizeof(from)); 42 if (getpeername(socket, (struct sockaddr *)&from, &fromlen) < 0) { 43 debug("getpeername failed: %.100s", strerror(errno)); 44 cleanup_exit(255); 45 } 46 |
| 47 if (from.ss_family == AF_INET) 48 check_ip_options(socket, ntop); 49 |
|
| 47 ipv64_normalise_mapped(&from, &fromlen); 48 49 if (from.ss_family == AF_INET6) 50 fromlen = sizeof(struct sockaddr_in6); 51 52 if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop), 53 NULL, 0, NI_NUMERICHOST) != 0) 54 fatal("get_remote_hostname: getnameinfo NI_NUMERICHOST failed"); 55 56 if (!use_dns) 57 return xstrdup(ntop); 58 | 50 ipv64_normalise_mapped(&from, &fromlen); 51 52 if (from.ss_family == AF_INET6) 53 fromlen = sizeof(struct sockaddr_in6); 54 55 if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop), 56 NULL, 0, NI_NUMERICHOST) != 0) 57 fatal("get_remote_hostname: getnameinfo NI_NUMERICHOST failed"); 58 59 if (!use_dns) 60 return xstrdup(ntop); 61 |
| 59 if (from.ss_family == AF_INET) 60 check_ip_options(socket, ntop); 61 | |
| 62 debug3("Trying to reverse map address %.100s.", ntop); 63 /* Map the IP address to a host name. */ 64 if (getnameinfo((struct sockaddr *)&from, fromlen, name, sizeof(name), 65 NULL, 0, NI_NAMEREQD) != 0) { 66 /* Host name not found. Use ip address. */ 67 return xstrdup(ntop); 68 } 69 --- 323 unchanged lines hidden --- | 62 debug3("Trying to reverse map address %.100s.", ntop); 63 /* Map the IP address to a host name. */ 64 if (getnameinfo((struct sockaddr *)&from, fromlen, name, sizeof(name), 65 NULL, 0, NI_NAMEREQD) != 0) { 66 /* Host name not found. Use ip address. */ 67 return xstrdup(ntop); 68 } 69 --- 323 unchanged lines hidden --- |