diff options
Diffstat (limited to 'nss/nss_files')
| -rw-r--r-- | nss/nss_files/files-XXX.c | 21 | ||||
| -rw-r--r-- | nss/nss_files/files-ethers.c | 73 |
2 files changed, 86 insertions, 8 deletions
diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c index 40bb7df81e..7291c75d84 100644 --- a/nss/nss_files/files-XXX.c +++ b/nss/nss_files/files-XXX.c @@ -102,9 +102,6 @@ internal_endent (void) fclose (stream); stream = NULL; } - - /* Reset STAYOPEN flag. */ - keep_stream = 0; } @@ -116,6 +113,9 @@ CONCAT(_nss_files_end,ENTNAME) (void) internal_endent (); + /* Reset STAYOPEN flag. */ + keep_stream = 0; + __libc_lock_unlock (lock); return NSS_STATUS_SUCCESS; @@ -131,15 +131,17 @@ internal_getent (struct STRUCTURE *result, struct parser_data *data = (void *) buffer; int linebuflen = buffer + buflen - data->linebuffer; - /* Someone called internal_setent before calling us, so if the - stream is not open now the file could not be opened. */ + /* Be prepared that the set*ent function was not called before. */ if (stream == NULL) { - H_ERRNO_SET (NETDB_INTERNAL); - return NSS_STATUS_UNAVAIL; + enum nss_status status; + + status = internal_setent (0); + if (status != NSS_STATUS_SUCCESS) + return status; } - if (buflen < sizeof *data + 1) + if (buflen < (int) sizeof *data + 1) { errno = ERANGE; return NSS_STATUS_NOTFOUND; @@ -155,6 +157,9 @@ internal_getent (struct STRUCTURE *result, return NSS_STATUS_NOTFOUND; } + /* Terminate the line for any case. */ + data->linebuffer[linebuflen - 1] = '\0'; + /* Skip leading blanks. */ while (isspace (*p)) ++p; diff --git a/nss/nss_files/files-ethers.c b/nss/nss_files/files-ethers.c new file mode 100644 index 0000000000..e7579a48bc --- /dev/null +++ b/nss/nss_files/files-ethers.c @@ -0,0 +1,73 @@ +/* Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +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 +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <string.h> +#include <netinet/if_ether.h> + +/* Because the `ethers' lookup does not fit so well in the scheme so + we define a dummy struct here which helps us to use the available + functions. */ +struct etherent +{ + const char *e_name; + struct ether_addr e_addr; +}; +struct etherent_data {}; + +#define ENTNAME etherent +#define DATAFILE "/etc/ethers" +#include "files-parse.c" +LINE_PARSER +( + MIDLINE_COMMENTS; + /* Read the ethernet address: 6 x 8bit hexadecimal number. */ + { + size_t cnt; + + for (cnt = 0; cnt < 6; ++cnt) + { + unsigned int number; + + if (cnt < 5) + INT_FIELD (number, ISCOLON , 0, 16, (unsigned int)) + else + INT_FIELD (number, isspace, 0, 16, (unsigned int)) + + if (number > 0xff) + return 0; + result->e_addr.ether_addr_octet[cnt] = number; + } + }; + STRING_FIELD (result->e_name, isspace, 1); + ) + + +#include "files-XXX.c" + +DB_LOOKUP (hostton, + { + if (strcmp (result->e_name, name) == 0) + break; + }, const char *name) + +DB_LOOKUP (ntohost, + { + if (memcmp (&result->e_addr, addr, + sizeof (struct ether_addr)) == 0) + break; + }, struct ether_addr *addr) |