diff options
Diffstat (limited to 'REORG.TODO/nss/nss_files/files-network.c')
-rw-r--r-- | REORG.TODO/nss/nss_files/files-network.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/REORG.TODO/nss/nss_files/files-network.c b/REORG.TODO/nss/nss_files/files-network.c new file mode 100644 index 0000000000..1fbd60fcf2 --- /dev/null +++ b/REORG.TODO/nss/nss_files/files-network.c @@ -0,0 +1,88 @@ +/* Networks file parser in nss_files module. + Copyright (C) 1996-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netdb.h> +#include <stdint.h> + +#define ENTNAME netent +#define DATABASE "networks" +#define NEED_H_ERRNO + +struct netent_data {}; + +#define TRAILING_LIST_MEMBER n_aliases +#define TRAILING_LIST_SEPARATOR_P isspace +#include "files-parse.c" +LINE_PARSER +("#", + { + char *addr; + char *cp; + int n = 1; + + STRING_FIELD (result->n_name, isspace, 1); + + STRING_FIELD (addr, isspace, 1); + /* 'inet_network' does not add zeroes at the end if the network number + does not four byte values. We add them outselves if necessary. */ + cp = strchr (addr, '.'); + if (cp != NULL) + { + ++n; + cp = strchr (cp + 1, '.'); + if (cp != NULL) + { + ++n; + cp = strchr (cp + 1, '.'); + if (cp != NULL) + ++n; + } + } + if (n < 4) + { + char *newp = (char *) alloca (strlen (addr) + (4 - n) * 2 + 1); + cp = stpcpy (newp, addr); + do + { + *cp++ = '.'; + *cp++ = '0'; + } + while (++n < 4); + *cp = '\0'; + addr = newp; + } + result->n_net = inet_network (addr); + result->n_addrtype = AF_INET; + + }) + +#include "files-XXX.c" + +DB_LOOKUP (netbyname, ,,, + LOOKUP_NAME_CASE (n_name, n_aliases), + const char *name) + +DB_LOOKUP (netbyaddr, ,,, + { + if ((type == AF_UNSPEC || result->n_addrtype == type) + && result->n_net == net) + /* Bingo! */ + break; + }, uint32_t net, int type) |