diff options
Diffstat (limited to 'nss/putspent.c')
-rw-r--r-- | nss/putspent.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/nss/putspent.c b/nss/putspent.c new file mode 100644 index 0000000000..a80711d0b6 --- /dev/null +++ b/nss/putspent.c @@ -0,0 +1,94 @@ +/* Copyright (C) 1991-2023 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 <errno.h> +#include <nss.h> +#include <stdio.h> +#include <shadow.h> + +#define flockfile(s) _IO_flockfile (s) +#define funlockfile(s) _IO_funlockfile (s) + +#define _S(x) x ? x : "" + + +/* Write an entry to the given stream. + This must know the format of the password file. */ +int +putspent (const struct spwd *p, FILE *stream) +{ + int errors = 0; + + if (p->sp_namp == NULL || !__nss_valid_field (p->sp_namp) + || !__nss_valid_field (p->sp_pwdp)) + { + __set_errno (EINVAL); + return -1; + } + + flockfile (stream); + + if (fprintf (stream, "%s:%s:", p->sp_namp, _S (p->sp_pwdp)) < 0) + ++errors; + + if ((p->sp_lstchg != (long int) -1 + && fprintf (stream, "%ld:", p->sp_lstchg) < 0) + || (p->sp_lstchg == (long int) -1 + && putc_unlocked (':', stream) == EOF)) + ++errors; + + if ((p->sp_min != (long int) -1 + && fprintf (stream, "%ld:", p->sp_min) < 0) + || (p->sp_min == (long int) -1 + && putc_unlocked (':', stream) == EOF)) + ++errors; + + if ((p->sp_max != (long int) -1 + && fprintf (stream, "%ld:", p->sp_max) < 0) + || (p->sp_max == (long int) -1 + && putc_unlocked (':', stream) == EOF)) + ++errors; + + if ((p->sp_warn != (long int) -1 + && fprintf (stream, "%ld:", p->sp_warn) < 0) + || (p->sp_warn == (long int) -1 + && putc_unlocked (':', stream) == EOF)) + ++errors; + + if ((p->sp_inact != (long int) -1 + && fprintf (stream, "%ld:", p->sp_inact) < 0) + || (p->sp_inact == (long int) -1 + && putc_unlocked (':', stream) == EOF)) + ++errors; + + if ((p->sp_expire != (long int) -1 + && fprintf (stream, "%ld:", p->sp_expire) < 0) + || (p->sp_expire == (long int) -1 + && putc_unlocked (':', stream) == EOF)) + ++errors; + + if (p->sp_flag != ~0ul + && fprintf (stream, "%ld", p->sp_flag) < 0) + ++errors; + + if (putc_unlocked ('\n', stream) == EOF) + ++errors; + + funlockfile (stream); + + return errors ? -1 : 0; +} |