Damien Miller
36812092ec
[buffer.c channels.c deattack.c misc.c scp.c session.c sftp-client.c]
[sftp-server.c ssh-agent.c ssh-rsa.c xmalloc.c xmalloc.h auth-pam.c]
[uidswap.c]
change OpenSSH's xrealloc() function from being xrealloc(p, new_size)
to xrealloc(p, new_nmemb, new_itemsize).
realloc is particularly prone to integer overflows because it is
almost always allocating "n * size" bytes, so this is a far safer
API; ok deraadt@
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* $OpenBSD: xmalloc.h,v 1.11 2006/03/25 01:13:23 djm Exp $ */
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/*
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* Author: Tatu Ylonen <[email protected]>
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* Copyright (c) 1995 Tatu Ylonen <[email protected]>, Espoo, Finland
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* All rights reserved
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* Created: Mon Mar 20 22:09:17 1995 ylo
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*
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* Versions of malloc and friends that check their results, and never return
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* failure (they call fatal if they encounter an error).
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#ifndef XMALLOC_H
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#define XMALLOC_H
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void *xmalloc(size_t);
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void *xcalloc(size_t, size_t);
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void *xrealloc(void *, size_t, size_t);
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void xfree(void *);
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char *xstrdup(const char *);
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int xasprintf(char **, const char *, ...)
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__attribute__((__format__ (printf, 2, 3)))
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__attribute__((__nonnull__ (2)));
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#endif /* XMALLOC_H */
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