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Ensure libmd symbols do not clash with libcrypto

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Add a prefix to all symbols in libmd to avoid incompatibilites
with same-named, but not binary compatible, symbols from libcrypto.

Also introduce Weak aliases to avoid the need to rebuild dependent
binaries and a major version bump.

PR:		199119
Differential Revision:	D2216
Reviewed by:	roberto, delphij
MFC after:	2 weeks
This commit is contained in:
Thomas Quinot 2015-05-10 13:21:36 +00:00
parent a998d1031c
commit 9d8b66868a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=282726
14 changed files with 195 additions and 1 deletions
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12
lib/libmd/md4.h
View File

@ -35,6 +35,18 @@ typedef struct MD4Context {
#include <sys/cdefs.h>
__BEGIN_DECLS
/* Ensure libmd symbols do not clash with libcrypto */
#define MD4Init _libmd_MD4Init
#define MD4Update _libmd_MD4Update
#define MD4Pad _libmd_MD4Pad
#define MD4Final _libmd_MD4Final
#define MD4End _libmd_MD4End
#define MD4File _libmd_MD4File
#define MD4FileChunk _libmd_MD4FileChunk
#define MD4Data _libmd_MD4Data
void MD4Init(MD4_CTX *);
void MD4Update(MD4_CTX *, const void *, unsigned int);
void MD4Pad(MD4_CTX *);

9
lib/libmd/md4c.c
View File

@ -290,3 +290,12 @@ unsigned int len;
output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
}
#undef MD4Init
__weak_reference(_libmd_MD4Init, MD4Init);
#undef MD4Update
__weak_reference(_libmd_MD4Update, MD4Update);
#undef MD4Pad
__weak_reference(_libmd_MD4Pad, MD4Pad);
#undef MD4Final
__weak_reference(_libmd_MD4Final, MD4Final);

19
lib/libmd/md5.h
View File

@ -1,4 +1,23 @@
/* $FreeBSD$ */
#ifndef _MD5_H_
#define _MD5_H_
#ifndef _KERNEL
/* Ensure libmd symbols do not clash with libcrypto */
#define MD5Init _libmd_MD5Init
#define MD5Update _libmd_MD5Update
#define MD5Pad _libmd_MD5Pad
#define MD5Final _libmd_MD5Final
#define MD5Transform _libmd_MD5Transform
#define MD5End _libmd_MD5End
#define MD5File _libmd_MD5File
#define MD5FileChunk _libmd_MD5FileChunk
#define MD5Data _libmd_MD5Data
#endif
#include <sys/md5.h>
#endif /* _MD5_H_ */

13
lib/libmd/md5c.c
View File

@ -39,7 +39,7 @@ __FBSDID("$FreeBSD$");
#include <machine/endian.h>
#include <sys/endian.h>
#include <sys/md5.h>
#include "md5.h"
static void MD5Transform(u_int32_t [4], const unsigned char [64]);
@ -335,3 +335,14 @@ MD5Transform (state, block)
/* Zeroize sensitive information. */
memset ((void *)x, 0, sizeof (x));
}
#undef MD5Init
__weak_reference(_libmd_MD5Init, MD5Init);
#undef MD5Update
__weak_reference(_libmd_MD5Update, MD5Update);
#undef MD5Pad
__weak_reference(_libmd_MD5Pad, MD5Pad);
#undef MD5Final
__weak_reference(_libmd_MD5Final, MD5Final);
#undef MD5Transform
__weak_reference(_libmd_MD5Transform, MD5Transform);

9
lib/libmd/mdXhl.c
View File

@ -96,3 +96,12 @@ MDXData (const void *data, unsigned int len, char *buf)
MDXUpdate(&ctx,data,len);
return (MDXEnd(&ctx, buf));
}
#undef MDXEnd
__weak_reference(_libmd_MDXEnd, MDXEnd);
#undef MDXFile
__weak_reference(_libmd_MDXFile, MDXFile);
#undef MDXFileChunk
__weak_reference(_libmd_MDXFileChunk, MDXFileChunk);
#undef MDXData
__weak_reference(_libmd_MDXData, MDXData);

15
lib/libmd/ripemd.h
View File

@ -81,6 +81,21 @@ typedef struct RIPEMD160state_st {
} RIPEMD160_CTX;
__BEGIN_DECLS
/* Ensure libmd symbols do not clash with libcrypto */
#define RIPEMD160_Init _libmd_RIPEMD160_Init
#define RIPEMD160_Update _libmd_RIPEMD160_Update
#define RIPEMD160_Final _libmd_RIPEMD160_Final
#define RIPEMD160_End _libmd_RIPEMD160_End
#define RIPEMD160_File _libmd_RIPEMD160_File
#define RIPEMD160_FileChunk _libmd_RIPEMD160_FileChunk
#define RIPEMD160_Data _libmd_RIPEMD160_Data
#define RIPEMD160_Transform _libmd_RIPEMD160_Transform
#define RMD160_version _libmd_RMD160_version
#define ripemd160_block _libmd_ripemd160_block
void RIPEMD160_Init(RIPEMD160_CTX *c);
void RIPEMD160_Update(RIPEMD160_CTX *c, const void *data,
size_t len);

13
lib/libmd/rmd160c.c
View File

@ -545,3 +545,16 @@ unsigned long *l;
}
}
#endif
#undef RIPEMD160_Init
__weak_reference(_libmd_RIPEMD160_Init, RIPEMD160_Init);
#undef RIPEMD160_Update
__weak_reference(_libmd_RIPEMD160_Update, RIPEMD160_Update);
#undef RIPEMD160_Final
__weak_reference(_libmd_RIPEMD160_Final, RIPEMD160_Final);
#undef RIPEMD160_Transform
__weak_reference(_libmd_RIPEMD160_Transform, RIPEMD160_Transform);
#undef RMD160_version
__weak_reference(_libmd_RMD160_version, RMD160_version);
#undef ripemd160_block
__weak_reference(_libmd_ripemd160_block, ripemd160_block);

28
lib/libmd/sha.h
View File

@ -79,6 +79,33 @@ typedef struct SHAstate_st {
#define SHA1_CTX SHA_CTX
__BEGIN_DECLS
/* Ensure libmd symbols do not clash with libcrypto */
#define SHA_Init _libmd_SHA_Init
#define SHA_Update _libmd_SHA_Update
#define SHA_Final _libmd_SHA_Final
#define SHA_End _libmd_SHA_End
#define SHA_File _libmd_SHA_File
#define SHA_FileChunk _libmd_SHA_FileChunk
#define SHA_Data _libmd_SHA_Data
#define SHA_Transform _libmd_SHA_Transform
#define SHA_version _libmd_SHA_version
#define sha_block _libmd_sha_block
#define SHA1_Init _libmd_SHA1_Init
#define SHA1_Update _libmd_SHA1_Update
#define SHA1_Final _libmd_SHA1_Final
#define SHA1_End _libmd_SHA1_End
#define SHA1_File _libmd_SHA1_File
#define SHA1_FileChunk _libmd_SHA1_FileChunk
#define SHA1_Data _libmd_SHA1_Data
#define SHA1_Transform _libmd_SHA1_Transform
#define SHA1_version _libmd_SHA1_version
#define sha1_block _libmd_sha1_block
void SHA_Init(SHA_CTX *c);
void SHA_Update(SHA_CTX *c, const void *data, size_t len);
void SHA_Final(unsigned char *md, SHA_CTX *c);
@ -86,6 +113,7 @@ char *SHA_End(SHA_CTX *, char *);
char *SHA_File(const char *, char *);
char *SHA_FileChunk(const char *, char *, off_t, off_t);
char *SHA_Data(const void *, unsigned int, char *);
void SHA1_Init(SHA_CTX *c);
void SHA1_Update(SHA_CTX *c, const void *data, size_t len);
void SHA1_Final(unsigned char *md, SHA_CTX *c);

25
lib/libmd/sha1c.c
View File

@ -488,3 +488,28 @@ SHA_CTX *c;
/* memset((char *)&c,0,sizeof(c));*/
}
#undef SHA_Init
__weak_reference(_libmd_SHA_Init, SHA_Init);
#undef SHA_Update
__weak_reference(_libmd_SHA_Update, SHA_Update);
#undef SHA_Final
__weak_reference(_libmd_SHA_Final, SHA_Final);
#undef SHA_Transform
__weak_reference(_libmd_SHA_Transform, SHA_Transform);
#undef SHA_version
__weak_reference(_libmd_SHA_version, SHA_version);
#undef sha_block
__weak_reference(_libmd_sha_block, sha_block);
#undef SHA1_Init
__weak_reference(_libmd_SHA1_Init, SHA1_Init);
#undef SHA1_Update
__weak_reference(_libmd_SHA1_Update, SHA1_Update);
#undef SHA1_Final
__weak_reference(_libmd_SHA1_Final, SHA1_Final);
#undef SHA1_Transform
__weak_reference(_libmd_SHA1_Transform, SHA1_Transform);
#undef SHA1_version
__weak_reference(_libmd_SHA1_version, SHA1_version);
#undef sha1_block
__weak_reference(_libmd_sha1_block, sha1_block);

14
lib/libmd/sha256.h
View File

@ -38,6 +38,20 @@ typedef struct SHA256Context {
} SHA256_CTX;
__BEGIN_DECLS
/* Ensure libmd symbols do not clash with libcrypto */
#define SHA256_Init _libmd_SHA256_Init
#define SHA256_Update _libmd_SHA256_Update
#define SHA256_Final _libmd_SHA256_Final
#define SHA256_End _libmd_SHA256_End
#define SHA256_File _libmd_SHA256_File
#define SHA256_FileChunk _libmd_SHA256_FileChunk
#define SHA256_Data _libmd_SHA256_Data
#define SHA256_Transform _libmd_SHA256_Transform
#define SHA256_version _libmd_SHA256_version
void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX *, const void *, size_t);
void SHA256_Final(unsigned char [32], SHA256_CTX *);

11
lib/libmd/sha256c.c
View File

@ -295,3 +295,14 @@ SHA256_Final(unsigned char digest[32], SHA256_CTX * ctx)
/* Clear the context state */
memset((void *)ctx, 0, sizeof(*ctx));
}
#undef SHA256_Init
__weak_reference(_libmd_SHA256_Init, SHA256_Init);
#undef SHA256_Update
__weak_reference(_libmd_SHA256_Update, SHA256_Update);
#undef SHA256_Final
__weak_reference(_libmd_SHA256_Final, SHA256_Final);
#undef SHA256_Transform
__weak_reference(_libmd_SHA256_Transform, SHA256_Transform);
#undef SHA256_version
__weak_reference(_libmd_SHA256_version, SHA256_version);

14
lib/libmd/sha512.h
View File

@ -38,6 +38,20 @@ typedef struct SHA512Context {
} SHA512_CTX;
__BEGIN_DECLS
/* Ensure libmd symbols do not clash with libcrypto */
#define SHA512_Init _libmd_SHA512_Init
#define SHA512_Update _libmd_SHA512_Update
#define SHA512_Final _libmd_SHA512_Final
#define SHA512_End _libmd_SHA512_End
#define SHA512_File _libmd_SHA512_File
#define SHA512_FileChunk _libmd_SHA512_FileChunk
#define SHA512_Data _libmd_SHA512_Data
#define SHA512_Transform _libmd_SHA512_Transform
#define SHA512_version _libmd_SHA512_version
void SHA512_Init(SHA512_CTX *);
void SHA512_Update(SHA512_CTX *, const void *, size_t);
void SHA512_Final(unsigned char [64], SHA512_CTX *);

11
lib/libmd/sha512c.c
View File

@ -318,3 +318,14 @@ SHA512_Final(unsigned char digest[64], SHA512_CTX * ctx)
/* Clear the context state */
memset((void *)ctx, 0, sizeof(*ctx));
}
#undef SHA512_Init
__weak_reference(_libmd_SHA512_Init, SHA512_Init);
#undef SHA512_Update
__weak_reference(_libmd_SHA512_Update, SHA512_Update);
#undef SHA512_Final
__weak_reference(_libmd_SHA512_Final, SHA512_Final);
#undef SHA512_Transform
__weak_reference(_libmd_SHA512_Transform, SHA512_Transform);
#undef SHA512_version
__weak_reference(_libmd_SHA512_version, SHA512_version);

3
lib/libmd/shadriver.c
View File

@ -31,10 +31,13 @@ __FBSDID("$FreeBSD$");
#endif
#if SHA == 1
#undef SHA_Data
#define SHA_Data SHA1_Data
#elif SHA == 256
#undef SHA_Data
#define SHA_Data SHA256_Data
#elif SHA == 512
#undef SHA_Data
#define SHA_Data SHA512_Data
#endif