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check to see if copy_passwd_struct() ever receives its own internal

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buffer as an argument :-) :-)
This commit is contained in:
Luke Leighton 0001-01-01 00:00:00 +00:00
parent 93298bca1c
commit 0d1f5e5a6d
1 changed files with 7 additions and 0 deletions
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7
source/lib/system.c
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@ -557,6 +557,13 @@ struct passwd *copy_passwd_struct(struct passwd *pass)
return NULL;
}
if (pass == &pw_ret)
{
/* catch silly error where buffer was already copied */
DEBUG(0,("copy_passwd_struct: can't copy internal buffer!\n"));
return NULL;
}
memcpy((char *)&pw_ret, pass, sizeof(struct passwd));
if (pass->pw_name)