emo/shadow
1
0
Fork 0
Code Issues Pull Requests Packages Releases Activity

Merge pull request #446 from ikerexxe/spw_free

Browse Source 
lib: check NULL before freeing passwd data
This commit is contained in:
Serge Hallyn 2021-11-22 07:32:32 -06:00 committed by GitHub
commit 3a0160beb0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/pwmem.c
View File

@ -93,6 +93,7 @@
void pw_free (/*@out@*/ /*@only@*/struct passwd *pwent)
{
if (pwent != NULL) {
free (pwent->pw_name);
if (pwent->pw_passwd) {
memzero (pwent->pw_passwd, strlen (pwent->pw_passwd));
@ -102,5 +103,6 @@ void pw_free (/*@out@*/ /*@only@*/struct passwd *pwent)
free (pwent->pw_dir);
free (pwent->pw_shell);
free (pwent);
}
}

2
lib/shadowmem.c
View File

@ -79,11 +79,13 @@
void spw_free (/*@out@*/ /*@only@*/struct spwd *spent)
{
if (spent != NULL) {
free (spent->sp_namp);
if (NULL != spent->sp_pwdp) {
memzero (spent->sp_pwdp, strlen (spent->sp_pwdp));
free (spent->sp_pwdp);
}
free (spent);
}
}