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Diffstat (limited to 'nscd/pwdcache.c')
-rw-r--r--nscd/pwdcache.c35
1 files changed, 23 insertions, 12 deletions
diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c
index 9b7c0a040a..85b4fe9bde 100644
--- a/nscd/pwdcache.c
+++ b/nscd/pwdcache.c
@@ -132,15 +132,31 @@ static struct passwd *
save_pwd (struct passwd *src)
{
struct passwd *dest;
-
- dest = calloc (1, sizeof (struct passwd));
- dest->pw_name = strdup (src->pw_name);
- dest->pw_passwd = strdup (src->pw_passwd);
+ size_t name_len = strlen (src->pw_name) + 1;
+ size_t passwd_len = strlen (src->pw_gecos) + 1;
+ size_t gecos_len = strlen (src->pw_dir) + 1;
+ size_t dir_len = strlen (src->pw_dir) + 1;
+ size_t shell_len = strlen (src->pw_shell) + 1;
+ char *cp;
+
+ dest = malloc (sizeof (struct passwd)
+ + name_len + passwd_len + gecos_len + dir_len + shell_len);
+ if (dest == NULL)
+ return NULL;
+
+ cp = (char *) (dest + 1);
+ dest->pw_name = cp;
+ cp = mempcpy (cp, src->pw_name, name_len);
+ dest->pw_passwd = cp;
+ cp = mempcpy (cp, src->pw_passwd, passwd_len);
dest->pw_uid = src->pw_uid;
dest->pw_gid = src->pw_gid;
- dest->pw_gecos = strdup (src->pw_gecos);
- dest->pw_dir = strdup (src->pw_dir);
- dest->pw_shell = strdup (src->pw_shell);
+ dest->pw_gecos = cp;
+ cp = mempcpy (cp, src->pw_gecos, gecos_len);
+ dest->pw_dir = cp;
+ cp = mempcpy (cp, src->pw_dir, dir_len);
+ dest->pw_shell = cp;
+ mempcpy (cp, src->pw_shell, shell_len);
return dest;
}
@@ -148,11 +164,6 @@ save_pwd (struct passwd *src)
static void
free_pwd (struct passwd *src)
{
- free (src->pw_name);
- free (src->pw_passwd);
- free (src->pw_gecos);
- free (src->pw_dir);
- free (src->pw_shell);
free (src);
}