diff options
Diffstat (limited to 'nss/sgetspent_r.c')
-rw-r--r-- | nss/sgetspent_r.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/nss/sgetspent_r.c b/nss/sgetspent_r.c new file mode 100644 index 0000000000..cb51db7106 --- /dev/null +++ b/nss/sgetspent_r.c @@ -0,0 +1,103 @@ +/* Copyright (C) 1996-2023 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 + <https://www.gnu.org/licenses/>. */ + +#include <ctype.h> +#include <errno.h> +#include <shadow.h> +#include <stdio.h> +#include <string.h> + +/* Define a line parsing function using the common code + used in the nss_files module. */ + +#define STRUCTURE spwd +#define ENTNAME spent +struct spent_data {}; + +/* Predicate which always returns false, needed below. */ +#define FALSEP(arg) 0 + + +#include <nss/nss_files/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) (int), + (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_min, ISCOLON, 0, 10, (long int) (int), + (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_max, ISCOLON, 0, 10, (long int) (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) (int), (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_inact, ISCOLON, 0, 10, + (long int) (int), (long int) -1); + INT_FIELD_MAYBE_NULL (result->sp_expire, ISCOLON, 0, 10, + (long int) (int), (long int) -1); + if (*line != '\0') + INT_FIELD_MAYBE_NULL (result->sp_flag, FALSEP, 0, 10, + (unsigned long int), ~0ul) + else + result->sp_flag = ~0ul; + } + } + ) + + +/* Read one shadow entry from the given stream. */ +int +__sgetspent_r (const char *string, struct spwd *resbuf, char *buffer, + size_t buflen, struct spwd **result) +{ + buffer[buflen - 1] = '\0'; + char *sp = strncpy (buffer, string, buflen); + if (buffer[buflen - 1] != '\0') + return ERANGE; + + int parse_result = parse_line (sp, resbuf, NULL, 0, &errno); + *result = parse_result > 0 ? resbuf : NULL; + + return *result == NULL ? errno : 0; +} +weak_alias (__sgetspent_r, sgetspent_r) |