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Mangle c helper functions 

We want to make sure that multiple openssl versions can coexist in the
same dependency tree.

Closes #438
This commit is contained in:
Steven Fackler 2016-08-13 12:05:29 -07:00
parent 9cc089a6ad
commit 5042d3d170
7 changed files with 35 additions and 33 deletions
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2
.gitignore vendored
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@ -1,2 +1,4 @@
target/
Cargo.lock
.idea/
*.iml

20
openssl/src/c_helpers.c
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@ -3,19 +3,19 @@
#include <openssl/dh.h>
#include <openssl/bn.h>
void rust_SSL_CTX_clone(SSL_CTX *ctx) {
void rust_0_8_SSL_CTX_clone(SSL_CTX *ctx) {
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
}
void rust_X509_clone(X509 *x509) {
void rust_0_8_X509_clone(X509 *x509) {
CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
}
STACK_OF(X509_EXTENSION) *rust_X509_get_extensions(X509 *x) {
STACK_OF(X509_EXTENSION) *rust_0_8_X509_get_extensions(X509 *x) {
return x->cert_info ? x->cert_info->extensions : NULL;
}
DH *rust_DH_new_from_params(BIGNUM *p, BIGNUM *g, BIGNUM *q) {
DH *rust_0_8_DH_new_from_params(BIGNUM *p, BIGNUM *g, BIGNUM *q) {
DH *dh;
if ((dh = DH_new()) == NULL) {
@ -28,32 +28,32 @@ DH *rust_DH_new_from_params(BIGNUM *p, BIGNUM *g, BIGNUM *q) {
}
#if OPENSSL_VERSION_NUMBER < 0x10000000L
int rust_HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
int rust_0_8_HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
HMAC_Init_ex(ctx, key, key_len, md, impl);
return 1;
}
int rust_HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len) {
int rust_0_8_HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len) {
HMAC_Update(ctx, data, len);
return 1;
}
int rust_HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
int rust_0_8_HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
HMAC_Final(ctx, md, len);
return 1;
}
#else
int rust_HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
int rust_0_8_HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
return HMAC_Init_ex(ctx, key, key_len, md, impl);
}
int rust_HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len) {
int rust_0_8_HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len) {
return HMAC_Update(ctx, data, len);
}
int rust_HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
int rust_0_8_HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
return HMAC_Final(ctx, md, len);
}
#endif

14
openssl/src/c_helpers.rs
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@ -3,12 +3,12 @@ use libc::{c_int, c_void, c_uint, c_uchar};
#[allow(dead_code)]
extern "C" {
pub fn rust_SSL_CTX_clone(cxt: *mut ffi::SSL_CTX);
pub fn rust_X509_clone(x509: *mut ffi::X509);
pub fn rust_X509_get_extensions(x: *mut ffi::X509) -> *mut ffi::stack_st_X509_EXTENSION;
pub fn rust_0_8_SSL_CTX_clone(cxt: *mut ffi::SSL_CTX);
pub fn rust_0_8_X509_clone(x509: *mut ffi::X509);
pub fn rust_0_8_X509_get_extensions(x: *mut ffi::X509) -> *mut ffi::stack_st_X509_EXTENSION;
pub fn rust_HMAC_Init_ex(ctx: *mut ffi::HMAC_CTX, key: *const c_void, keylen: c_int, md: *const ffi::EVP_MD, impl_: *mut ffi::ENGINE) -> c_int;
pub fn rust_HMAC_Final(ctx: *mut ffi::HMAC_CTX, output: *mut c_uchar, len: *mut c_uint) -> c_int;
pub fn rust_HMAC_Update(ctx: *mut ffi::HMAC_CTX, input: *const c_uchar, len: c_uint) -> c_int;
pub fn rust_DH_new_from_params(p: *mut ffi::BIGNUM, g: *mut ffi::BIGNUM, q: *mut ffi::BIGNUM) -> *mut ffi::DH;
pub fn rust_0_8_HMAC_Init_ex(ctx: *mut ffi::HMAC_CTX, key: *const c_void, keylen: c_int, md: *const ffi::EVP_MD, impl_: *mut ffi::ENGINE) -> c_int;
pub fn rust_0_8_HMAC_Final(ctx: *mut ffi::HMAC_CTX, output: *mut c_uchar, len: *mut c_uint) -> c_int;
pub fn rust_0_8_HMAC_Update(ctx: *mut ffi::HMAC_CTX, input: *const c_uchar, len: c_uint) -> c_int;
pub fn rust_0_8_DH_new_from_params(p: *mut ffi::BIGNUM, g: *mut ffi::BIGNUM, q: *mut ffi::BIGNUM) -> *mut ffi::DH;
}

24
openssl/src/crypto/hmac.rs
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@ -92,11 +92,11 @@ impl HMAC {
fn init_once(&mut self, md: *const ffi::EVP_MD, key: &[u8]) -> Result<(), ErrorStack> {
unsafe {
try_ssl!(c_helpers::rust_HMAC_Init_ex(&mut self.ctx,
key.as_ptr() as *const _,
key.len() as c_int,
md,
0 as *mut _));
try_ssl!(c_helpers::rust_0_8_HMAC_Init_ex(&mut self.ctx,
key.as_ptr() as *const _,
key.len() as c_int,
md,
0 as *mut _));
}
self.state = Reset;
Ok(())
@ -113,11 +113,11 @@ impl HMAC {
// If the key and/or md is not supplied it's reused from the last time
// avoiding redundant initializations
unsafe {
try_ssl!(c_helpers::rust_HMAC_Init_ex(&mut self.ctx,
0 as *const _,
0,
0 as *const _,
0 as *mut _));
try_ssl!(c_helpers::rust_0_8_HMAC_Init_ex(&mut self.ctx,
0 as *const _,
0,
0 as *const _,
0 as *mut _));
}
self.state = Reset;
Ok(())
@ -130,7 +130,7 @@ impl HMAC {
while !data.is_empty() {
let len = cmp::min(data.len(), c_uint::max_value() as usize);
unsafe {
try_ssl!(c_helpers::rust_HMAC_Update(&mut self.ctx, data.as_ptr(), len as c_uint));
try_ssl!(c_helpers::rust_0_8_HMAC_Update(&mut self.ctx, data.as_ptr(), len as c_uint));
}
data = &data[len..];
}
@ -147,7 +147,7 @@ impl HMAC {
unsafe {
let mut len = ffi::EVP_MAX_MD_SIZE;
let mut res = vec![0; len as usize];
try_ssl!(c_helpers::rust_HMAC_Final(&mut self.ctx, res.as_mut_ptr(), &mut len));
try_ssl!(c_helpers::rust_0_8_HMAC_Final(&mut self.ctx, res.as_mut_ptr(), &mut len));
res.truncate(len as usize);
self.state = Finalized;
Ok(res)

2
openssl/src/dh/mod.rs
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@ -15,7 +15,7 @@ impl DH {
#[cfg(feature = "dh_from_params")]
pub fn from_params(p: BigNum, g: BigNum, q: BigNum) -> Result<DH, ErrorStack> {
let dh = unsafe {
try_ssl_null!(::c_helpers::rust_DH_new_from_params(p.as_ptr(), g.as_ptr(), q.as_ptr()))
try_ssl_null!(::c_helpers::rust_0_8_DH_new_from_params(p.as_ptr(), g.as_ptr(), q.as_ptr()))
};
mem::forget(p);
mem::forget(g);

2
openssl/src/ssl/mod.rs
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@ -662,7 +662,7 @@ impl Clone for SslContext {
/// Requires the `ssl_context_clone` feature.
fn clone(&self) -> Self {
unsafe {
::c_helpers::rust_SSL_CTX_clone(self.as_ptr());
::c_helpers::rust_0_8_SSL_CTX_clone(self.as_ptr());
SslContext::from_ptr(self.as_ptr())
}
}

4
openssl/src/x509/mod.rs
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@ -359,7 +359,7 @@ impl X509Generator {
let req = ffi::X509_to_X509_REQ(cert.as_ptr(), ptr::null_mut(), ptr::null());
try_ssl_null!(req);
let exts = ::c_helpers::rust_X509_get_extensions(cert.as_ptr());
let exts = ::c_helpers::rust_0_8_X509_get_extensions(cert.as_ptr());
if exts != ptr::null_mut() {
try_ssl!(ffi::X509_REQ_add_extensions(req, exts));
}
@ -481,7 +481,7 @@ impl Clone for X509 {
/// Requires the `x509_clone` feature.
fn clone(&self) -> X509 {
unsafe {
::c_helpers::rust_X509_clone(self.as_ptr());
::c_helpers::rust_0_8_X509_clone(self.as_ptr());
X509::new(self.as_ptr())
}
}