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vtls: move md5sum into the Curl_ssl struct

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The MD5 summing is also an SSL backend-specific function. So let's
include it, offering the previous fall-back code as a separate function
now: Curl_none_md5sum(). To allow for that, the signature had to be
changed so that an error could be returned from the implementation
(Curl_none_md5sum() can run out of memory).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin 2017-06-23 01:04:56 +02:00 committed by Daniel Stenberg
parent 52e8237bfc
commit e35205a0c4
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
16 changed files with 62 additions and 61 deletions
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3
lib/vtls/axtls.c
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@ -721,7 +721,8 @@ const struct Curl_ssl Curl_ssl_axtls = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_none_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_axtls;

3
lib/vtls/cyassl.c
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@ -970,7 +970,8 @@ const struct Curl_ssl Curl_ssl_cyassl = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_none_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_cyassl;

12
lib/vtls/darwinssl.c
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@ -2723,13 +2723,14 @@ CURLcode Curl_darwinssl_random(struct Curl_easy *data UNUSED_PARAM,
return CURLE_OK;
}
void Curl_darwinssl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len)
static CURLcode Curl_darwinssl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len)
{
(void)md5len;
(void)CC_MD5(tmp, (CC_LONG)tmplen, md5sum);
return CURLE_OK;
}
void Curl_darwinssl_sha256sum(const unsigned char *tmp, /* input */
@ -2875,7 +2876,8 @@ const struct Curl_ssl Curl_ssl_darwinssl = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_darwinssl_false_start /* false_start */
Curl_darwinssl_false_start, /* false_start */
Curl_darwinssl_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_darwinssl;

5
lib/vtls/darwinssl.h
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@ -44,10 +44,6 @@ bool Curl_darwinssl_data_pending(const struct connectdata *conn,
CURLcode Curl_darwinssl_random(struct Curl_easy *data, unsigned char *entropy,
size_t length);
void Curl_darwinssl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len);
void Curl_darwinssl_sha256sum(const unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *sha256sum, /* output */
@ -78,7 +74,6 @@ extern const struct Curl_ssl Curl_ssl_darwinssl;
#define have_curlssl_pinnedpubkey 1
#endif /* DARWIN_SSL_PINNEDPUBKEY */
#define curlssl_md5sum(a,b,c,d) Curl_darwinssl_md5sum(a,b,c,d)
#define curlssl_sha256sum(a,b,c,d) Curl_darwinssl_sha256sum(a, b, c, d)
#endif /* USE_DARWINSSL */

3
lib/vtls/gskit.c
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@ -1354,7 +1354,8 @@ const struct Curl_ssl Curl_ssl_gskit = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_none_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_gskit;

12
lib/vtls/gtls.c
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@ -1738,10 +1738,10 @@ CURLcode Curl_gtls_random(struct Curl_easy *data,
return CURLE_OK;
}
void Curl_gtls_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len)
static CURLcode Curl_gtls_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len)
{
#if defined(USE_GNUTLS_NETTLE)
struct md5_ctx MD5pw;
@ -1755,6 +1755,7 @@ void Curl_gtls_md5sum(unsigned char *tmp, /* input */
memcpy(md5sum, gcry_md_read(MD5pw, 0), md5len);
gcry_md_close(MD5pw);
#endif
return CURLE_OK;
}
void Curl_gtls_sha256sum(const unsigned char *tmp, /* input */
@ -1804,7 +1805,8 @@ const struct Curl_ssl Curl_ssl_gnutls = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_gtls_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_gnutls;

5
lib/vtls/gtls.h
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@ -46,10 +46,6 @@ int Curl_gtls_shutdown(struct connectdata *conn, int sockindex);
CURLcode Curl_gtls_random(struct Curl_easy *data,
unsigned char *entropy,
size_t length);
void Curl_gtls_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len);
void Curl_gtls_sha256sum(const unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *sha256sum, /* output */
@ -74,7 +70,6 @@ extern const struct Curl_ssl Curl_ssl_gnutls;
/* this backend supports CURLOPT_PINNEDPUBLICKEY */
#define have_curlssl_pinnedpubkey 1
#define curlssl_md5sum(a,b,c,d) Curl_gtls_md5sum(a,b,c,d)
#define curlssl_sha256sum(a,b,c,d) Curl_gtls_sha256sum(a,b,c,d)
#endif /* USE_GNUTLS */

3
lib/vtls/mbedtls.c
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@ -1026,7 +1026,8 @@ const struct Curl_ssl Curl_ssl_mbedtls = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_none_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_mbedtls;

13
lib/vtls/nss.c
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@ -2278,10 +2278,10 @@ CURLcode Curl_nss_random(struct Curl_easy *data,
return CURLE_OK;
}
void Curl_nss_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len)
static CURLcode Curl_nss_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len)
{
PK11Context *MD5pw = PK11_CreateDigestContext(SEC_OID_MD5);
unsigned int MD5out;
@ -2289,6 +2289,8 @@ void Curl_nss_md5sum(unsigned char *tmp, /* input */
PK11_DigestOp(MD5pw, tmp, curlx_uztoui(tmplen));
PK11_DigestFinal(MD5pw, md5sum, &MD5out, curlx_uztoui(md5len));
PK11_DestroyContext(MD5pw, PR_TRUE);
return CURLE_OK;
}
void Curl_nss_sha256sum(const unsigned char *tmp, /* input */
@ -2343,7 +2345,8 @@ const struct Curl_ssl Curl_ssl_nss = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_nss_false_start /* false_start */
Curl_nss_false_start, /* false_start */
Curl_nss_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_nss;

6
lib/vtls/nssg.h
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@ -51,11 +51,6 @@ CURLcode Curl_nss_random(struct Curl_easy *data,
unsigned char *entropy,
size_t length);
void Curl_nss_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len);
void Curl_nss_sha256sum(const unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *sha256sum, /* output */
@ -82,7 +77,6 @@ extern const struct Curl_ssl Curl_ssl_nss;
/* this backends supports CURLOPT_PINNEDPUBLICKEY */
#define have_curlssl_pinnedpubkey 1
#define curlssl_md5sum(a,b,c,d) Curl_nss_md5sum(a,b,c,d)
#define curlssl_sha256sum(a,b,c,d) Curl_nss_sha256sum(a,b,c,d)
#endif /* USE_NSS */

12
lib/vtls/openssl.c
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@ -3350,16 +3350,17 @@ CURLcode Curl_ossl_random(struct Curl_easy *data, unsigned char *entropy,
return (rc == 1 ? CURLE_OK : CURLE_FAILED_INIT);
}
void Curl_ossl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum /* output */,
size_t unused)
static CURLcode Curl_ossl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum /* output */,
size_t unused)
{
MD5_CTX MD5pw;
(void)unused;
MD5_Init(&MD5pw);
MD5_Update(&MD5pw, tmp, tmplen);
MD5_Final(md5sum, &MD5pw);
return CURLE_OK;
}
#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
@ -3405,7 +3406,8 @@ const struct Curl_ssl Curl_ssl_openssl = {
Curl_ossl_set_engine, /* set_engine */
Curl_ossl_set_engine_default, /* set_engine_default */
Curl_ossl_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_ossl_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_openssl;

5
lib/vtls/openssl.h
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@ -68,10 +68,6 @@ bool Curl_ossl_data_pending(const struct connectdata *conn,
/* return 0 if a find random is filled in */
CURLcode Curl_ossl_random(struct Curl_easy *data, unsigned char *entropy,
size_t length);
void Curl_ossl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum /* output */,
size_t unused);
void Curl_ossl_sha256sum(const unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *sha256sum /* output */,
@ -99,7 +95,6 @@ extern const struct Curl_ssl Curl_ssl_openssl;
/* this backend supports CURLOPT_PINNEDPUBLICKEY */
#define have_curlssl_pinnedpubkey 1
#define curlssl_md5sum(a,b,c,d) Curl_ossl_md5sum(a,b,c,d)
#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
#define curlssl_sha256sum(a,b,c,d) Curl_ossl_sha256sum(a,b,c,d)
#endif

3
lib/vtls/polarssl.c
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@ -892,7 +892,8 @@ const struct Curl_ssl Curl_ssl_polarssl = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_none_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_polarssl;

3
lib/vtls/schannel.c
View File

@ -1745,7 +1745,8 @@ const struct Curl_ssl Curl_ssl_schannel = {
Curl_none_set_engine, /* set_engine */
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start /* false_start */
Curl_none_false_start, /* false_start */
Curl_none_md5sum /* md5sum */
};
const struct Curl_ssl *Curl_ssl = &Curl_ssl_schannel;

30
lib/vtls/vtls.c
View File

@ -938,20 +938,7 @@ CURLcode Curl_ssl_md5sum(unsigned char *tmp, /* input */
unsigned char *md5sum, /* output */
size_t md5len)
{
#ifdef curlssl_md5sum
curlssl_md5sum(tmp, tmplen, md5sum, md5len);
#else
MD5_context *MD5pw;
(void) md5len;
MD5pw = Curl_MD5_init(Curl_DIGEST_MD5);
if(!MD5pw)
return CURLE_OUT_OF_MEMORY;
Curl_MD5_update(MD5pw, tmp, curlx_uztoui(tmplen));
Curl_MD5_final(MD5pw, md5sum);
#endif
return CURLE_OK;
return Curl_ssl->md5sum(tmp, tmplen, md5sum, md5len);
}
#endif
@ -1055,4 +1042,19 @@ bool Curl_none_false_start(void)
return FALSE;
}
CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
unsigned char *md5sum, size_t md5len UNUSED_PARAM)
{
MD5_context *MD5pw;
(void)md5len;
MD5pw = Curl_MD5_init(Curl_DIGEST_MD5);
if(!MD5pw)
return CURLE_OUT_OF_MEMORY;
Curl_MD5_update(MD5pw, input, curlx_uztoui(inputlen));
Curl_MD5_final(MD5pw, md5sum);
return CURLE_OK;
}
#endif /* USE_SSL */

5
lib/vtls/vtls.h
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@ -54,6 +54,9 @@ struct Curl_ssl {
struct curl_slist *(*engines_list)(struct Curl_easy *data);
bool (*false_start)(void);
CURLcode (*md5sum)(unsigned char *input, size_t inputlen,
unsigned char *md5sum, size_t md5sumlen);
};
#ifdef USE_SSL
@ -74,6 +77,8 @@ CURLcode Curl_none_set_engine(struct Curl_easy *data, const char *engine);
CURLcode Curl_none_set_engine_default(struct Curl_easy *data);
struct curl_slist *Curl_none_engines_list(struct Curl_easy *data);
bool Curl_none_false_start(void);
CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
unsigned char *md5sum, size_t md5len);
#include "openssl.h" /* OpenSSL versions */
#include "gtls.h" /* GnuTLS versions */