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Diffstat (limited to 'src/glibc-parse.c')
| -rw-r--r-- | src/glibc-parse.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/glibc-parse.c b/src/glibc-parse.c new file mode 100644 index 0000000..5d029b2 --- /dev/null +++ b/src/glibc-parse.c @@ -0,0 +1,191 @@ +/* Copyright (C) 1991, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + This file is assembled from parts of the GNU C Library: + pwd/fgetpwent_r.c + grp/fgetgrent_r.c + shadow/sgetspent_r.c + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <ctype.h> +#include <errno.h> +#include <stdio.h> +#include <grp.h> +#include <pwd.h> +#include <shadow.h> + +#define libc_hidden_def(ignored) +#define _nss_files_parse_ _nss_directories_parse_ + +/******************************************************************************/ +#undef STRUCTURE +#undef ENTNAME +#undef FALSE +#undef parser_data +#undef TRAILING_LIST_MEMBER +#undef TRAILING_LIST_PARSER +#undef TRAILING_LIST_SEPARATOR_P + +/* Define a line parsing function using the common code + used in the nss_files module. */ + +#define STRUCTURE passwd +#define ENTNAME pwent +#define parser_data pwent_data + +#include "files-parse.c" +LINE_PARSER +(, + STRING_FIELD (result->pw_name, ISCOLON, 0); + if (line[0] == '\0' + && (result->pw_name[0] == '+' || result->pw_name[0] == '-')) + { + /* This a special case. We allow lines containing only a `+' sign + since this is used for nss_compat. All other services will + reject this entry later. Initialize all other fields now. */ + result->pw_passwd = NULL; + result->pw_uid = 0; + result->pw_gid = 0; + result->pw_gecos = NULL; + result->pw_dir = NULL; + result->pw_shell = NULL; + } + else + { + STRING_FIELD (result->pw_passwd, ISCOLON, 0); + if (result->pw_name[0] == '+' || result->pw_name[0] == '-') + { + INT_FIELD_MAYBE_NULL (result->pw_uid, ISCOLON, 0, 10, , 0) + INT_FIELD_MAYBE_NULL (result->pw_gid, ISCOLON, 0, 10, , 0) + } + else + { + INT_FIELD (result->pw_uid, ISCOLON, 0, 10,) + INT_FIELD (result->pw_gid, ISCOLON, 0, 10,) + } + STRING_FIELD (result->pw_gecos, ISCOLON, 0); + STRING_FIELD (result->pw_dir, ISCOLON, 0); + result->pw_shell = line; + } + ) + +/******************************************************************************/ +#undef STRUCTURE +#undef ENTNAME +#undef FALSE +#undef parser_data +#undef TRAILING_LIST_MEMBER +#undef TRAILING_LIST_PARSER +#undef TRAILING_LIST_SEPARATOR_P + +/* Define a line parsing function using the common code + used in the nss_files module. */ + +#define STRUCTURE group +#define ENTNAME grent +#define parser_data grent_data + +#define TRAILING_LIST_MEMBER gr_mem +#define TRAILING_LIST_SEPARATOR_P(c) ((c) == ',') +#include "files-parse.c" +LINE_PARSER +(, + STRING_FIELD (result->gr_name, ISCOLON, 0); + if (line[0] == '\0' + && (result->gr_name[0] == '+' || result->gr_name[0] == '-')) + { + result->gr_passwd = NULL; + result->gr_gid = 0; + } + else + { + STRING_FIELD (result->gr_passwd, ISCOLON, 0); + if (result->gr_name[0] == '+' || result->gr_name[0] == '-') + INT_FIELD_MAYBE_NULL (result->gr_gid, ISCOLON, 0, 10, , 0) + else + INT_FIELD (result->gr_gid, ISCOLON, 0, 10,) + } + ) + +/******************************************************************************/ +#undef STRUCTURE +#undef ENTNAME +#undef FALSE +#undef parser_data +#undef TRAILING_LIST_MEMBER +#undef TRAILING_LIST_PARSER +#undef TRAILING_LIST_SEPARATOR_P + +/* Define a line parsing function using the common code + used in the nss_files module. */ + +#define STRUCTURE spwd +#define ENTNAME spent +#define parser_data spent_data + +/* Predicate which always returns false, needed below. */ +#define FALSE(arg) 0 + +#include "files-parse.c" +LINE_PARSER +(, + STRING_FIELD (result->sp_namp, ISCOLON, 0); + if (line[0] == '\0' + && (result->sp_namp[0] == '+' || result->sp_namp[0] == '-')) + { + result->sp_pwdp = NULL; + result->sp_lstchg = 0; + result->sp_min = 0; + result->sp_max = 0; + result->sp_warn = -1l; + result->sp_inact = -1l; + result->sp_expire = -1l; + result->sp_flag = ~0ul; + } + else + { + STRING_FIELD (result->sp_pwdp, ISCOLON, 0); + INT_FIELD_MAYBE_NULL (result->sp_lstchg, ISCOLON, 0, 10, (long int), + (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_min, ISCOLON, 0, 10, (long int), + (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_max, ISCOLON, 0, 10, (long int), + (long int) -1); + while (isspace (*line)) + ++line; + if (*line == '\0') + { + /* The old form. */ + result->sp_warn = -1l; + result->sp_inact = -1l; + result->sp_expire = -1l; + result->sp_flag = ~0ul; + } + else + { + INT_FIELD_MAYBE_NULL (result->sp_warn, ISCOLON, 0, 10, (long int), + (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_inact, ISCOLON, 0, 10, (long int), + (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_expire, ISCOLON, 0, 10, (long int), + (long int) -1); + if (*line != '\0') + INT_FIELD_MAYBE_NULL (result->sp_flag, FALSE, 0, 10, + (unsigned long int), ~0ul) + else + result->sp_flag = ~0ul; + } + } + ) |