diff options
Diffstat (limited to 'nis/nss_nis/nis-hosts.c')
| -rw-r--r-- | nis/nss_nis/nis-hosts.c | 101 |
1 files changed, 64 insertions, 37 deletions
diff --git a/nis/nss_nis/nis-hosts.c b/nis/nss_nis/nis-hosts.c index ddf777a706..0ddc930687 100644 --- a/nis/nss_nis/nis-hosts.c +++ b/nis/nss_nis/nis-hosts.c @@ -1,6 +1,6 @@ /* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996. + Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as @@ -37,6 +37,9 @@ #define DATABASE "hosts" #define NEED_H_ERRNO +#define EXTRA_ARGS , af, flags +#define EXTRA_ARGS_DECL , int af, int flags + #define ENTDATA hostent_data struct hostent_data { @@ -55,30 +58,30 @@ LINE_PARSER STRING_FIELD (addr, isspace, 1); /* Parse address. */ - if (inet_pton (AF_INET6, addr, entdata->host_addr) > 0) + if (af == AF_INET && inet_pton (AF_INET, addr, entdata->host_addr) > 0) + { + if (flags & AI_V4MAPPED) + { + map_v4v6_address ((char *) entdata->host_addr, + (char *) entdata->host_addr); + result->h_addrtype = AF_INET6; + result->h_length = IN6ADDRSZ; + } + else + { + result->h_addrtype = AF_INET; + result->h_length = INADDRSZ; + } + } + else if (af == AF_INET6 + && inet_pton (AF_INET6, addr, entdata->host_addr) > 0) { result->h_addrtype = AF_INET6; result->h_length = IN6ADDRSZ; } else - if (inet_pton (AF_INET, addr, entdata->host_addr) > 0) - { - if (_res.options & RES_USE_INET6) - { - map_v4v6_address ((char *) entdata->host_addr, - (char *) entdata->host_addr); - result->h_addrtype = AF_INET6; - result->h_length = IN6ADDRSZ; - } - else - { - result->h_addrtype = AF_INET; - result->h_length = INADDRSZ; - } - } - else - /* Illegal address: ignore line. */ - return 0; + /* Illegal address: ignore line. */ + return 0; /* Store a pointer to the address in the expected form. */ entdata->h_addr_ptrs[0] = entdata->host_addr; @@ -86,8 +89,8 @@ LINE_PARSER result->h_addr_list = entdata->h_addr_ptrs; STRING_FIELD (result->h_name, isspace, 1); - } -) + }) + __libc_lock_define_initialized (static, lock) @@ -131,9 +134,11 @@ _nss_nis_endhostent (void) return NSS_STATUS_SUCCESS; } +/* The calling function always need to get a lock first. */ static enum nss_status internal_nis_gethostent_r (struct hostent *host, char *buffer, - size_t buflen, int *errnop, int *h_errnop) + size_t buflen, int *errnop, int *h_errnop, + int af, int flags) { char *domain; char *result; @@ -200,7 +205,7 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer, ++p; free (result); - parse_res = parse_line (p, host, data, buflen, errnop); + parse_res = parse_line (p, host, data, buflen, errnop, af, flags); if (parse_res == -1) { free (outkey); @@ -219,25 +224,27 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer, return NSS_STATUS_SUCCESS; } -int +enum nss_status _nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen, int *errnop, int *h_errnop) { - int status; + enum nss_status status; __libc_lock_lock (lock); - status = internal_nis_gethostent_r (host, buffer, buflen, errnop, h_errnop); + status = internal_nis_gethostent_r (host, buffer, buflen, errnop, h_errnop, + ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET), + ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0 )); __libc_lock_unlock (lock); return status; } -enum nss_status -_nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host, +static enum nss_status +internal_gethostbyname2_r (const char *name, int af, struct hostent *host, char *buffer, size_t buflen, int *errnop, - int *h_errnop) + int *h_errnop, int flags) { enum nss_status retval; char *domain, *result, *p; @@ -302,7 +309,7 @@ _nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host, ++p; free (result); - parse_res = parse_line (p, host, data, buflen, errnop); + parse_res = parse_line (p, host, data, buflen, errnop, af, flags); if (parse_res < 1 || host->h_addrtype != af) { @@ -323,6 +330,16 @@ _nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host, } enum nss_status +_nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host, + char *buffer, size_t buflen, int *errnop, + int *h_errnop) +{ + return internal_gethostbyname2_r (name, af, host, buffer, buflen, errnop, + h_errnop, + ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0)); +} + +enum nss_status _nss_nis_gethostbyname_r (const char *name, struct hostent *host, char *buffer, size_t buflen, int *errnop, int *h_errnop) { @@ -330,18 +347,18 @@ _nss_nis_gethostbyname_r (const char *name, struct hostent *host, char *buffer, { enum nss_status status; - status = _nss_nis_gethostbyname2_r (name, AF_INET6, host, buffer, buflen, - errnop, h_errnop); + status = internal_gethostbyname2_r (name, AF_INET6, host, buffer, buflen, + errnop, h_errnop, AI_V4MAPPED); if (status == NSS_STATUS_SUCCESS) return status; } - return _nss_nis_gethostbyname2_r (name, AF_INET, host, buffer, buflen, - errnop, h_errnop); + return internal_gethostbyname2_r (name, AF_INET, host, buffer, buflen, + errnop, h_errnop, 0); } enum nss_status -_nss_nis_gethostbyaddr_r (char *addr, size_t addrlen, int type, +_nss_nis_gethostbyaddr_r (char *addr, size_t addrlen, int af, struct hostent *host, char *buffer, size_t buflen, int *errnop, int *h_errnop) { @@ -393,7 +410,8 @@ _nss_nis_gethostbyaddr_r (char *addr, size_t addrlen, int type, ++p; free (result); - parse_res = parse_line (p, host, data, buflen, errnop); + parse_res = parse_line (p, host, data, buflen, errnop, af, + ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0)); if (parse_res < 1) { if (parse_res == -1) @@ -411,3 +429,12 @@ _nss_nis_gethostbyaddr_r (char *addr, size_t addrlen, int type, *h_errnop = NETDB_SUCCESS; return NSS_STATUS_SUCCESS; } + +enum nss_status +_nss_nis_getipnodebyname_r (const char *name, int af, int flags, + struct hostent *result, char *buffer, + size_t buflen, int *errnop, int *herrnop) +{ + return internal_gethostbyname2_r (name, af, result, buffer, buflen, + errnop, herrnop, flags); +} |