diff options
Diffstat (limited to 'lib/shadowmem.c')
| -rw-r--r-- | lib/shadowmem.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/shadowmem.c b/lib/shadowmem.c new file mode 100644 index 0000000..82f99e7 --- /dev/null +++ b/lib/shadowmem.c @@ -0,0 +1,68 @@ +/* + * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh + * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz + * SPDX-FileCopyrightText: 2001 , Michał Moskal + * SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko + * SPDX-FileCopyrightText: 2007 - 2013, Nicolas François + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <config.h> + +#ident "$Id$" + +#include "prototypes.h" +#include "defines.h" +#include <shadow.h> +#include <stdio.h> +#include "shadowio.h" + +/*@null@*/ /*@only@*/struct spwd *__spw_dup (const struct spwd *spent) +{ + struct spwd *sp; + + sp = (struct spwd *) malloc (sizeof *sp); + if (NULL == sp) { + return NULL; + } + /* The libc might define other fields. They won't be copied. */ + memset (sp, 0, sizeof *sp); + sp->sp_lstchg = spent->sp_lstchg; + sp->sp_min = spent->sp_min; + sp->sp_max = spent->sp_max; + sp->sp_warn = spent->sp_warn; + sp->sp_inact = spent->sp_inact; + sp->sp_expire = spent->sp_expire; + sp->sp_flag = spent->sp_flag; + /*@-mustfreeonly@*/ + sp->sp_namp = strdup (spent->sp_namp); + /*@=mustfreeonly@*/ + if (NULL == sp->sp_namp) { + free(sp); + return NULL; + } + /*@-mustfreeonly@*/ + sp->sp_pwdp = strdup (spent->sp_pwdp); + /*@=mustfreeonly@*/ + if (NULL == sp->sp_pwdp) { + free(sp->sp_namp); + free(sp); + return NULL; + } + + return sp; +} + +void spw_free (/*@out@*/ /*@only@*/struct spwd *spent) +{ + if (spent != NULL) { + free (spent->sp_namp); + if (NULL != spent->sp_pwdp) { + strzero (spent->sp_pwdp); + free (spent->sp_pwdp); + } + free (spent); + } +} + |