diff options
Diffstat (limited to 'crypto/openssh/canohost.c')
| -rw-r--r-- | crypto/openssh/canohost.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/crypto/openssh/canohost.c b/crypto/openssh/canohost.c index a457d3c52243..941db23b64bf 100644 --- a/crypto/openssh/canohost.c +++ b/crypto/openssh/canohost.c @@ -12,7 +12,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: canohost.c,v 1.34 2002/09/23 20:46:27 stevesk Exp $"); +RCSID("$OpenBSD: canohost.c,v 1.35 2002/11/26 02:38:54 stevesk Exp $"); #include "packet.h" #include "xmalloc.h" @@ -38,7 +38,7 @@ get_remote_hostname(int socket, int verify_reverse_mapping) /* Get IP address of client. */ fromlen = sizeof(from); memset(&from, 0, sizeof(from)); - if (getpeername(socket, (struct sockaddr *) &from, &fromlen) < 0) { + if (getpeername(socket, (struct sockaddr *)&from, &fromlen) < 0) { debug("getpeername failed: %.100s", strerror(errno)); fatal_cleanup(); } @@ -59,11 +59,14 @@ get_remote_hostname(int socket, int verify_reverse_mapping) memset(&from, 0, sizeof(from)); from4->sin_family = AF_INET; + fromlen = sizeof(*from4); memcpy(&from4->sin_addr, &addr, sizeof(addr)); from4->sin_port = port; } } #endif + if (from.ss_family == AF_INET6) + fromlen = sizeof(struct sockaddr_in6); if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop), NULL, 0, NI_NUMERICHOST) != 0) @@ -202,8 +205,8 @@ get_canonical_hostname(int verify_reverse_mapping) } /* - * Returns the remote IP-address of socket as a string. The returned - * string must be freed. + * Returns the local/remote IP-address/hostname of socket as a string. + * The returned string must be freed. */ static char * get_socket_address(int socket, int remote, int flags) @@ -225,10 +228,15 @@ get_socket_address(int socket, int remote, int flags) < 0) return NULL; } + + /* Work around Linux IPv6 weirdness */ + if (addr.ss_family == AF_INET6) + addrlen = sizeof(struct sockaddr_in6); + /* Get the address in ascii. */ if (getnameinfo((struct sockaddr *)&addr, addrlen, ntop, sizeof(ntop), NULL, 0, flags) != 0) { - error("get_socket_ipaddr: getnameinfo %d failed", flags); + error("get_socket_address: getnameinfo %d failed", flags); return NULL; } return xstrdup(ntop); @@ -314,11 +322,16 @@ get_sock_port(int sock, int local) return 0; } } else { - if (getpeername(sock, (struct sockaddr *) & from, &fromlen) < 0) { + if (getpeername(sock, (struct sockaddr *)&from, &fromlen) < 0) { debug("getpeername failed: %.100s", strerror(errno)); fatal_cleanup(); } } + + /* Work around Linux IPv6 weirdness */ + if (from.ss_family == AF_INET6) + fromlen = sizeof(struct sockaddr_in6); + /* Return port number. */ if (getnameinfo((struct sockaddr *)&from, fromlen, NULL, 0, strport, sizeof(strport), NI_NUMERICSERV) != 0) |