169 lines
3.1 KiB
C
169 lines
3.1 KiB
C
#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "os.h"
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#include "xsha1.h"
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#if defined(HAVE_SHA1_IN_LIBMD) /* Use libmd for SHA1 */ \
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|| defined(HAVE_SHA1_IN_LIBC) /* Use libc for SHA1 */
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# include <sha1.h>
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void *x_sha1_init(void)
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{
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SHA1_CTX *ctx = malloc(sizeof(*ctx));
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if (!ctx)
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return NULL;
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SHA1Init(ctx);
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return ctx;
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}
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int x_sha1_update(void *ctx, void *data, int size)
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{
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SHA1_CTX *sha1_ctx = ctx;
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SHA1Update(sha1_ctx, data, size);
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return 1;
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}
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int x_sha1_final(void *ctx, unsigned char result[20])
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{
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SHA1_CTX *sha1_ctx = ctx;
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SHA1Final(result, sha1_ctx);
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free(sha1_ctx);
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return 1;
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}
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#elif defined(HAVE_SHA1_IN_COMMONCRYPTO) /* Use CommonCrypto for SHA1 */
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#include <CommonCrypto/CommonDigest.h>
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void *x_sha1_init(void)
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{
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CC_SHA1_CTX *ctx = malloc(sizeof(*ctx));
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if (!ctx)
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return NULL;
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CC_SHA1_Init(ctx);
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return ctx;
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}
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int x_sha1_update(void *ctx, void *data, int size)
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{
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CC_SHA1_CTX *sha1_ctx = ctx;
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CC_SHA1_Update(sha1_ctx, data, size);
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return 1;
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}
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int x_sha1_final(void *ctx, unsigned char result[20])
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{
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CC_SHA1_CTX *sha1_ctx = ctx;
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CC_SHA1_Final(result, sha1_ctx);
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free(sha1_ctx);
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return 1;
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}
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#elif defined(HAVE_SHA1_IN_LIBGCRYPT) /* Use libgcrypt for SHA1 */
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# include <gcrypt.h>
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void *x_sha1_init(void)
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{
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static int init;
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gcry_md_hd_t h;
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gcry_error_t err;
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if (!init) {
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if (!gcry_check_version(NULL))
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return NULL;
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gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
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gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
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init = 1;
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}
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err = gcry_md_open(&h, GCRY_MD_SHA1, 0);
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if (err)
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return NULL;
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return h;
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}
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int x_sha1_update(void *ctx, void *data, int size)
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{
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gcry_md_hd_t h = ctx;
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gcry_md_write(h, data, size);
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return 1;
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}
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int x_sha1_final(void *ctx, unsigned char result[20])
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{
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gcry_md_hd_t h = ctx;
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memcpy(result, gcry_md_read(h, GCRY_MD_SHA1), 20);
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gcry_md_close(h);
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return 1;
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}
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#elif defined(HAVE_SHA1_IN_LIBSHA1) /* Use libsha1 */
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# include <libsha1.h>
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void *x_sha1_init(void)
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{
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sha1_ctx *ctx = malloc(sizeof(*ctx));
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if(!ctx)
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return NULL;
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sha1_begin(ctx);
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return ctx;
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}
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int x_sha1_update(void *ctx, void *data, int size)
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{
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sha1_hash(data, size, ctx);
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return 1;
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}
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int x_sha1_final(void *ctx, unsigned char result[20])
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{
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sha1_end(result, ctx);
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free(ctx);
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return 1;
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}
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#else /* Use OpenSSL's libcrypto */
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# include <stddef.h> /* buggy openssl/sha.h wants size_t */
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# include <openssl/sha.h>
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void *x_sha1_init(void)
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{
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int ret;
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SHA_CTX *ctx = malloc(sizeof(*ctx));
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if (!ctx)
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return NULL;
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ret = SHA1_Init(ctx);
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if (!ret) {
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free(ctx);
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return NULL;
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}
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return ctx;
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}
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int x_sha1_update(void *ctx, void *data, int size)
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{
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int ret;
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SHA_CTX *sha_ctx = ctx;
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ret = SHA1_Update(sha_ctx, data, size);
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if (!ret)
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free(sha_ctx);
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return ret;
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}
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int x_sha1_final(void *ctx, unsigned char result[20])
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{
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int ret;
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SHA_CTX *sha_ctx = ctx;
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ret = SHA1_Final(result, sha_ctx);
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free(sha_ctx);
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return ret;
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}
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#endif
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