1 files changed, 104 insertions, 0 deletions
diff --git a/lang/python25/files/patch-modules_hashopenssl.c b/lang/python25/files/patch-modules_hashopenssl.c
new file mode 100644
index 0000000..1f0cd56
--- /dev/null
+++ b/lang/python25/files/patch-modules_hashopenssl.c
@@ -0,0 +1,104 @@
+--- Modules/_hashopenssl.c.orig	2006-05-29 22:04:52.000000000 +0100
++++ Modules/_hashopenssl.c	2008-08-30 10:43:27.000000000 +0100
+@@ -19,6 +19,8 @@
+ /* EVP is the preferred interface to hashing in OpenSSL */
+ #include <openssl/evp.h>
+ 
++#define MUNCH_SIZE INT_MAX
++
+ 
+ #ifndef HASH_OBJ_CONSTRUCTOR
+ #define HASH_OBJ_CONSTRUCTOR 0
+@@ -164,9 +166,18 @@
+     if (!PyArg_ParseTuple(args, "s#:update", &cp, &len))
+         return NULL;
+ 
++    if (len > 0 && len <= MUNCH_SIZE) {
+     EVP_DigestUpdate(&self->ctx, cp, Py_SAFE_DOWNCAST(len, Py_ssize_t,
+                                                       unsigned int));
+-
++    } else {
++        Py_ssize_t offset = 0;
++        while (len) {
++            unsigned int process = len > MUNCH_SIZE ? MUNCH_SIZE : len;
++            EVP_DigestUpdate(&self->ctx, cp + offset, process);
++            len -= process;
++            offset += process;
++        }
++    }
+     Py_INCREF(Py_None);
+     return Py_None;
+ }
+@@ -255,9 +266,20 @@
+     self->name = name_obj;
+     Py_INCREF(self->name);
+ 
+-    if (cp && len)
++    if (cp && len) {
++        if (len > 0 && len <= MUNCH_SIZE) {
+         EVP_DigestUpdate(&self->ctx, cp, Py_SAFE_DOWNCAST(len, Py_ssize_t,
+                                                           unsigned int));
++        } else {
++            Py_ssize_t offset = 0;
++            while (len) {
++                unsigned int process = len > MUNCH_SIZE ? MUNCH_SIZE : len;
++                EVP_DigestUpdate(&self->ctx, cp + offset, process);
++                len -= process;
++                offset += process;
++            }
++        }
++    }
+ 
+     return 0;
+ }
+@@ -328,7 +350,7 @@
+ static PyObject *
+ EVPnew(PyObject *name_obj,
+        const EVP_MD *digest, const EVP_MD_CTX *initial_ctx,
+-       const unsigned char *cp, unsigned int len)
++       const unsigned char *cp, Py_ssize_t len)
+ {
+     EVPobject *self;
+ 
+@@ -346,8 +368,20 @@
+         EVP_DigestInit(&self->ctx, digest);
+     }
+ 
+-    if (cp && len)
+-        EVP_DigestUpdate(&self->ctx, cp, len);
++    if (cp && len) {
++        if (len > 0 && len <= MUNCH_SIZE) {
++            EVP_DigestUpdate(&self->ctx, cp, Py_SAFE_DOWNCAST(len, Py_ssize_t,
++                                                              unsigned int));
++        } else {
++            Py_ssize_t offset = 0;
++            while (len) {
++                unsigned int process = len > MUNCH_SIZE ? MUNCH_SIZE : len;
++                EVP_DigestUpdate(&self->ctx, cp + offset, process);
++                len -= process;
++                offset += process;
++            }
++        }
++    }
+ 
+     return (PyObject *)self;
+ }
+@@ -384,8 +418,7 @@
+ 
+     digest = EVP_get_digestbyname(name);
+ 
+-    return EVPnew(name_obj, digest, NULL, cp, Py_SAFE_DOWNCAST(len, Py_ssize_t,
+-                                                               unsigned int));
++    return EVPnew(name_obj, digest, NULL, cp, len);
+ }
+ 
+ /*
+@@ -410,7 +443,7 @@
+                 CONST_ ## NAME ## _name_obj, \
+                 NULL, \
+                 CONST_new_ ## NAME ## _ctx_p, \
+-                cp, Py_SAFE_DOWNCAST(len, Py_ssize_t, unsigned int)); \
++                cp, len); \
+     }
+ 
+ /* a PyMethodDef structure for the constructor */