diff options
Diffstat (limited to 'Utilities/cmcurl/lib/md5.c')
| -rw-r--r-- | Utilities/cmcurl/lib/md5.c | 158 |
1 files changed, 102 insertions, 56 deletions
diff --git a/Utilities/cmcurl/lib/md5.c b/Utilities/cmcurl/lib/md5.c index c6923e0..d2ca240 100644 --- a/Utilities/cmcurl/lib/md5.c +++ b/Utilities/cmcurl/lib/md5.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -60,22 +60,22 @@ /* The last #include file should be: */ #include "memdebug.h" -typedef struct md5_ctx MD5_CTX; +typedef struct md5_ctx my_md5_ctx; -static CURLcode MD5_Init(MD5_CTX *ctx) +static CURLcode my_md5_init(my_md5_ctx *ctx) { md5_init(ctx); return CURLE_OK; } -static void MD5_Update(MD5_CTX *ctx, - const unsigned char *input, - unsigned int inputLen) +static void my_md5_update(my_md5_ctx *ctx, + const unsigned char *input, + unsigned int inputLen) { md5_update(ctx, inputLen, input); } -static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) +static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) { md5_digest(ctx, 16, digest); } @@ -83,11 +83,38 @@ static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) #elif defined(USE_OPENSSL_MD5) || defined(USE_WOLFSSL_MD5) /* When OpenSSL or wolfSSL is available, we use their MD5 functions. */ +#if defined(USE_OPENSSL_MD5) #include <openssl/md5.h> +#elif defined(USE_WOLFSSL_MD5) +#include <wolfssl/openssl/md5.h> +#endif + #include "curl_memory.h" /* The last #include file should be: */ #include "memdebug.h" +typedef MD5_CTX my_md5_ctx; + +static CURLcode my_md5_init(my_md5_ctx *ctx) +{ + if(!MD5_Init(ctx)) + return CURLE_OUT_OF_MEMORY; + + return CURLE_OK; +} + +static void my_md5_update(my_md5_ctx *ctx, + const unsigned char *input, + unsigned int len) +{ + (void)MD5_Update(ctx, input, len); +} + +static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) +{ + (void)MD5_Final(digest, ctx); +} + #elif defined(USE_MBEDTLS) #include <mbedtls/md5.h> @@ -97,21 +124,25 @@ static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) /* The last #include file should be: */ #include "memdebug.h" -typedef mbedtls_md5_context MD5_CTX; +typedef mbedtls_md5_context my_md5_ctx; -static CURLcode MD5_Init(MD5_CTX *ctx) +static CURLcode my_md5_init(my_md5_ctx *ctx) { -#if !defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) - (void) mbedtls_md5_starts(ctx); +#if (MBEDTLS_VERSION_NUMBER >= 0x03000000) + if(mbedtls_md5_starts(ctx)) + return CURLE_OUT_OF_MEMORY; +#elif defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) + if(mbedtls_md5_starts_ret(ctx)) + return CURLE_OUT_OF_MEMORY; #else - (void) mbedtls_md5_starts_ret(ctx); + (void)mbedtls_md5_starts(ctx); #endif return CURLE_OK; } -static void MD5_Update(MD5_CTX *ctx, - const unsigned char *data, - unsigned int length) +static void my_md5_update(my_md5_ctx *ctx, + const unsigned char *data, + unsigned int length) { #if !defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) (void) mbedtls_md5_update(ctx, data, length); @@ -120,7 +151,7 @@ static void MD5_Update(MD5_CTX *ctx, #endif } -static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) +static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) { #if !defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) (void) mbedtls_md5_finish(ctx, digest); @@ -143,25 +174,27 @@ static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) Declaring the functions as static like this seems to be a bit more reliable than defining COMMON_DIGEST_FOR_OPENSSL on older cats. */ # include <CommonCrypto/CommonDigest.h> -# define MD5_CTX CC_MD5_CTX +# define my_md5_ctx CC_MD5_CTX #include "curl_memory.h" /* The last #include file should be: */ #include "memdebug.h" -static CURLcode MD5_Init(MD5_CTX *ctx) +static CURLcode my_md5_init(my_md5_ctx *ctx) { - CC_MD5_Init(ctx); + if(!CC_MD5_Init(ctx)) + return CURLE_OUT_OF_MEMORY; + return CURLE_OK; } -static void MD5_Update(MD5_CTX *ctx, - const unsigned char *input, - unsigned int inputLen) +static void my_md5_update(my_md5_ctx *ctx, + const unsigned char *input, + unsigned int inputLen) { CC_MD5_Update(ctx, input, inputLen); } -static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) +static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) { CC_MD5_Final(digest, ctx); } @@ -177,25 +210,30 @@ struct md5_ctx { HCRYPTPROV hCryptProv; HCRYPTHASH hHash; }; -typedef struct md5_ctx MD5_CTX; +typedef struct md5_ctx my_md5_ctx; -static CURLcode MD5_Init(MD5_CTX *ctx) +static CURLcode my_md5_init(my_md5_ctx *ctx) { - if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_FULL, - CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) { - CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash); + if(!CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_FULL, + CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) + return CURLE_OUT_OF_MEMORY; + + if(!CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash)) { + CryptReleaseContext(ctx->hCryptProv, 0); + return CURLE_OUT_OF_MEMORY; } + return CURLE_OK; } -static void MD5_Update(MD5_CTX *ctx, - const unsigned char *input, - unsigned int inputLen) +static void my_md5_update(my_md5_ctx *ctx, + const unsigned char *input, + unsigned int inputLen) { CryptHashData(ctx->hHash, (unsigned char *)input, inputLen, 0); } -static void MD5_Final(unsigned char *digest, MD5_CTX *ctx) +static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) { unsigned long length = 0; CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0); @@ -263,11 +301,12 @@ struct md5_ctx { unsigned char buffer[64]; MD5_u32plus block[16]; }; -typedef struct md5_ctx MD5_CTX; +typedef struct md5_ctx my_md5_ctx; -static CURLcode MD5_Init(MD5_CTX *ctx); -static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size); -static void MD5_Final(unsigned char *result, MD5_CTX *ctx); +static CURLcode my_md5_init(my_md5_ctx *ctx); +static void my_md5_update(my_md5_ctx *ctx, const void *data, + unsigned long size); +static void my_md5_final(unsigned char *result, my_md5_ctx *ctx); /* * The basic MD5 functions. @@ -318,7 +357,7 @@ static void MD5_Final(unsigned char *result, MD5_CTX *ctx); * This processes one or more 64-byte data blocks, but does NOT update * the bit counters. There are no alignment requirements. */ -static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) +static const void *body(my_md5_ctx *ctx, const void *data, unsigned long size) { const unsigned char *ptr; MD5_u32plus a, b, c, d; @@ -426,7 +465,7 @@ static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) return ptr; } -static CURLcode MD5_Init(MD5_CTX *ctx) +static CURLcode my_md5_init(my_md5_ctx *ctx) { ctx->a = 0x67452301; ctx->b = 0xefcdab89; @@ -439,7 +478,8 @@ static CURLcode MD5_Init(MD5_CTX *ctx) return CURLE_OK; } -static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size) +static void my_md5_update(my_md5_ctx *ctx, const void *data, + unsigned long size) { MD5_u32plus saved_lo; unsigned long used; @@ -474,7 +514,7 @@ static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size) memcpy(ctx->buffer, data, size); } -static void MD5_Final(unsigned char *result, MD5_CTX *ctx) +static void my_md5_final(unsigned char *result, my_md5_ctx *ctx) { unsigned long used, available; @@ -530,13 +570,13 @@ static void MD5_Final(unsigned char *result, MD5_CTX *ctx) const struct HMAC_params Curl_HMAC_MD5[] = { { /* Hash initialization function. */ - CURLX_FUNCTION_CAST(HMAC_hinit_func, MD5_Init), + CURLX_FUNCTION_CAST(HMAC_hinit_func, my_md5_init), /* Hash update function. */ - CURLX_FUNCTION_CAST(HMAC_hupdate_func, MD5_Update), + CURLX_FUNCTION_CAST(HMAC_hupdate_func, my_md5_update), /* Hash computation end function. */ - CURLX_FUNCTION_CAST(HMAC_hfinal_func, MD5_Final), + CURLX_FUNCTION_CAST(HMAC_hfinal_func, my_md5_final), /* Size of hash context structure. */ - sizeof(MD5_CTX), + sizeof(my_md5_ctx), /* Maximum key length. */ 64, /* Result size. */ @@ -547,13 +587,13 @@ const struct HMAC_params Curl_HMAC_MD5[] = { const struct MD5_params Curl_DIGEST_MD5[] = { { /* Digest initialization function */ - CURLX_FUNCTION_CAST(Curl_MD5_init_func, MD5_Init), + CURLX_FUNCTION_CAST(Curl_MD5_init_func, my_md5_init), /* Digest update function */ - CURLX_FUNCTION_CAST(Curl_MD5_update_func, MD5_Update), + CURLX_FUNCTION_CAST(Curl_MD5_update_func, my_md5_update), /* Digest computation end function */ - CURLX_FUNCTION_CAST(Curl_MD5_final_func, MD5_Final), + CURLX_FUNCTION_CAST(Curl_MD5_final_func, my_md5_final), /* Size of digest context struct */ - sizeof(MD5_CTX), + sizeof(my_md5_ctx), /* Result size */ 16 } @@ -564,15 +604,17 @@ const struct MD5_params Curl_DIGEST_MD5[] = { * Returns CURLE_OK on success. */ CURLcode Curl_md5it(unsigned char *outbuffer, const unsigned char *input, - const size_t len) + const size_t len) { - MD5_CTX ctx; + CURLcode result; + my_md5_ctx ctx; - MD5_Init(&ctx); - MD5_Update(&ctx, input, curlx_uztoui(len)); - MD5_Final(outbuffer, &ctx); - - return CURLE_OK; + result = my_md5_init(&ctx); + if(!result) { + my_md5_update(&ctx, input, curlx_uztoui(len)); + my_md5_final(outbuffer, &ctx); + } + return result; } struct MD5_context *Curl_MD5_init(const struct MD5_params *md5params) @@ -594,7 +636,11 @@ struct MD5_context *Curl_MD5_init(const struct MD5_params *md5params) ctxt->md5_hash = md5params; - (*md5params->md5_init_func)(ctxt->md5_hashctx); + if((*md5params->md5_init_func)(ctxt->md5_hashctx)) { + free(ctxt->md5_hashctx); + free(ctxt); + return NULL; + } return ctxt; } |