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openwrt/package/openssl/patches/180-gcc_breakage.patch
Felix Fietkau 8f16983e89 Add a patch for openssl to fix some breakage that happens when compiled with gcc 4.2.0 Note: this does not cover all instances, but it will at least compile. 
If the broken parts are reached at run time, the program will crash.
I wonder whose stupid idea it was to intentionally(!) make programs segfault when they hit something that *might* be unsafe to use.

Patch taken from http://www.mail-archive.com/openssl-dev@openssl.org/msg22667.html

SVN-Revision: 7764
2007-06-28 21:09:44 +00:00

253 lines
11 KiB
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Index: openssl-0.9.8e/crypto/asn1/asn1.h
===================================================================
--- openssl-0.9.8e.orig/crypto/asn1/asn1.h 2007-06-28 22:59:12.856745040 +0200
+++ openssl-0.9.8e/crypto/asn1/asn1.h 2007-06-28 23:00:11.137884960 +0200
@@ -322,6 +322,17 @@
#define I2D_OF(type) int (*)(type *,unsigned char **)
#define I2D_OF_const(type) int (*)(const type *,unsigned char **)
+#define CHECKED_D2I_OF(type, d2i) \
+ ((d2i_of_void*) (1 ? d2i : ((D2I_OF(type))0)))
+#define CHECKED_I2D_OF(type, i2d) \
+ ((i2d_of_void*) (1 ? i2d : ((I2D_OF(type))0)))
+#define CHECKED_NEW_OF(type, xnew) \
+ ((void *(*)(void)) (1 ? xnew : ((type *(*)(void))0)))
+#define CHECKED_PTR_OF(type, p) \
+ ((void*) (1 ? p : (type*)0))
+#define CHECKED_PPTR_OF(type, p) \
+ ((void**) (1 ? p : (type**)0))
+
#define TYPEDEF_D2I_OF(type) typedef type *d2i_of_##type(type **,const unsigned char **,long)
#define TYPEDEF_I2D_OF(type) typedef int i2d_of_##type(type *,unsigned char **)
#define TYPEDEF_D2I2D_OF(type) TYPEDEF_D2I_OF(type); TYPEDEF_I2D_OF(type)
@@ -902,23 +913,41 @@
/* Used to implement other functions */
void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, char *x);
+
#define ASN1_dup_of(type,i2d,d2i,x) \
- ((type *(*)(I2D_OF(type),D2I_OF(type),type *))openssl_fcast(ASN1_dup))(i2d,d2i,x)
+ ((type*)ASN1_dup(CHECKED_I2D_OF(type, i2d), \
+ CHECKED_D2I_OF(type, d2i), \
+ CHECKED_PTR_OF(type, x)))
+
#define ASN1_dup_of_const(type,i2d,d2i,x) \
- ((type *(*)(I2D_OF_const(type),D2I_OF(type),type *))openssl_fcast(ASN1_dup))(i2d,d2i,x)
+ ((type*)ASN1_dup(CHECKED_I2D_OF(const type, i2d), \
+ CHECKED_D2I_OF(type, d2i), \
+ CHECKED_PTR_OF(const type, x)))
void *ASN1_item_dup(const ASN1_ITEM *it, void *x);
#ifndef OPENSSL_NO_FP_API
void *ASN1_d2i_fp(void *(*xnew)(void), d2i_of_void *d2i, FILE *in, void **x);
+
#define ASN1_d2i_fp_of(type,xnew,d2i,in,x) \
- ((type *(*)(type *(*)(void),D2I_OF(type),FILE *,type **))openssl_fcast(ASN1_d2i_fp))(xnew,d2i,in,x)
+ ((type*)ASN1_d2i_fp(CHECKED_NEW_OF(type, xnew), \
+ CHECKED_D2I_OF(type, d2i), \
+ in, \
+ CHECKED_PPTR_OF(type, x)))
+
void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x);
int ASN1_i2d_fp(i2d_of_void *i2d,FILE *out,void *x);
+
#define ASN1_i2d_fp_of(type,i2d,out,x) \
- ((int (*)(I2D_OF(type),FILE *,type *))openssl_fcast(ASN1_i2d_fp))(i2d,out,x)
+ (ASN1_i2d_fp(CHECKED_I2D_OF(type, i2d), \
+ out, \
+ CHECKED_PTR_OF(type, x)))
+
#define ASN1_i2d_fp_of_const(type,i2d,out,x) \
- ((int (*)(I2D_OF_const(type),FILE *,type *))openssl_fcast(ASN1_i2d_fp))(i2d,out,x)
+ (ASN1_i2d_fp(CHECKED_I2D_OF(const type, i2d), \
+ out, \
+ CHECKED_PTR_OF(const type, x)))
+
int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x);
int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags);
#endif
@@ -927,14 +956,26 @@
#ifndef OPENSSL_NO_BIO
void *ASN1_d2i_bio(void *(*xnew)(void), d2i_of_void *d2i, BIO *in, void **x);
+
#define ASN1_d2i_bio_of(type,xnew,d2i,in,x) \
- ((type *(*)(type *(*)(void),D2I_OF(type),BIO *,type **))openssl_fcast(ASN1_d2i_bio))(xnew,d2i,in,x)
+ ((type*)ASN1_d2i_bio( CHECKED_NEW_OF(type, xnew), \
+ CHECKED_D2I_OF(type, d2i), \
+ in, \
+ CHECKED_PPTR_OF(type, x)))
+
void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x);
int ASN1_i2d_bio(i2d_of_void *i2d,BIO *out, unsigned char *x);
+
#define ASN1_i2d_bio_of(type,i2d,out,x) \
- ((int (*)(I2D_OF(type),BIO *,type *))openssl_fcast(ASN1_i2d_bio))(i2d,out,x)
+ (ASN1_i2d_bio(CHECKED_I2D_OF(type, i2d), \
+ out, \
+ CHECKED_PTR_OF(type, x)))
+
#define ASN1_i2d_bio_of_const(type,i2d,out,x) \
- ((int (*)(I2D_OF_const(type),BIO *,const type *))openssl_fcast(ASN1_i2d_bio))(i2d,out,x)
+ (ASN1_i2d_bio(CHECKED_I2D_OF(const type, i2d), \
+ out, \
+ CHECKED_PTR_OF(const type, x)))
+
int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x);
int ASN1_UTCTIME_print(BIO *fp,ASN1_UTCTIME *a);
int ASN1_GENERALIZEDTIME_print(BIO *fp,ASN1_GENERALIZEDTIME *a);
@@ -977,8 +1018,12 @@
void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it);
ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d,
ASN1_OCTET_STRING **oct);
+
#define ASN1_pack_string_of(type,obj,i2d,oct) \
- ((ASN1_STRING *(*)(type *,I2D_OF(type),ASN1_OCTET_STRING **))openssl_fcast(ASN1_pack_string))(obj,i2d,oct)
+ (ASN1_pack_string(CHECKED_PTR_OF(type, obj), \
+ CHECKED_I2D_OF(type, i2d), \
+ oct))
+
ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_OCTET_STRING **oct);
void ASN1_STRING_set_default_mask(unsigned long mask);
Index: openssl-0.9.8e/crypto/pem/pem.h
===================================================================
--- openssl-0.9.8e.orig/crypto/pem/pem.h 2007-06-28 22:59:46.719597104 +0200
+++ openssl-0.9.8e/crypto/pem/pem.h 2007-06-28 23:00:11.138884808 +0200
@@ -220,19 +220,28 @@
#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
{ \
-return(((type *(*)(D2I_OF(type),char *,FILE *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read))(d2i_##asn1, str,fp,x,cb,u)); \
+ return (type*)PEM_ASN1_read(CHECKED_D2I_OF(type, d2i_##asn1), \
+ str, fp, \
+ CHECKED_PPTR_OF(type, x), \
+ cb, u); \
}
#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x) \
{ \
-return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+ return PEM_ASN1_write(CHECKED_I2D_OF(type, i2d_##asn1), \
+ str, fp, \
+ CHECKED_PTR_OF(type, x), \
+ NULL, NULL, 0, NULL, NULL); \
}
#define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, const type *x) \
{ \
-return(((int (*)(I2D_OF_const(type),const char *,FILE *, const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+ return PEM_ASN1_write(CHECKED_I2D_OF(const type, i2d_##asn1), \
+ str, fp, \
+ CHECKED_PTR_OF(const type, x), \
+ NULL, NULL, 0, NULL, NULL); \
}
#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
@@ -240,7 +249,10 @@
unsigned char *kstr, int klen, pem_password_cb *cb, \
void *u) \
{ \
- return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
+ return PEM_ASN1_write(CHECKED_I2D_OF(type, i2d_##asn1), \
+ str, fp, \
+ CHECKED_PTR_OF(type, x), \
+ enc, kstr, klen, cb, u); \
}
#define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
@@ -248,7 +260,10 @@
unsigned char *kstr, int klen, pem_password_cb *cb, \
void *u) \
{ \
- return(((int (*)(I2D_OF_const(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
+ return PEM_ASN1_write(CHECKED_I2D_OF(const type, i2d_##asn1), \
+ str, fp, \
+ CHECKED_PTR_OF(const type, x), \
+ enc, kstr, klen, cb, u); \
}
#endif
@@ -256,33 +271,48 @@
#define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
{ \
-return(((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read_bio))(d2i_##asn1, str,bp,x,cb,u)); \
+ return (type*)PEM_ASN1_read_bio(CHECKED_D2I_OF(type, d2i_##asn1), \
+ str, bp, \
+ CHECKED_PPTR_OF(type, x), \
+ cb, u); \
}
#define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x) \
{ \
-return(((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
+ return PEM_ASN1_write_bio(CHECKED_I2D_OF(type, i2d_##asn1), \
+ str, bp, \
+ CHECKED_PTR_OF(type, x), \
+ NULL, NULL, 0, NULL, NULL); \
}
#define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, const type *x) \
{ \
-return(((int (*)(I2D_OF_const(type),const char *,BIO *,const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
+ return PEM_ASN1_write_bio(CHECKED_I2D_OF(const type, i2d_##asn1), \
+ str, bp, \
+ CHECKED_PTR_OF(const type, x), \
+ NULL, NULL, 0, NULL, NULL); \
}
#define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
{ \
- return(((int (*)(I2D_OF(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
+ return PEM_ASN1_write_bio(CHECKED_I2D_OF(type, i2d_##asn1), \
+ str, bp, \
+ CHECKED_PTR_OF(type, x), \
+ enc, kstr, klen, cb, u); \
}
#define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
{ \
- return(((int (*)(I2D_OF_const(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
+ return PEM_ASN1_write_bio(CHECKED_I2D_OF(const type, i2d_##asn1), \
+ str, bp, \
+ CHECKED_PTR_OF(const type, x), \
+ enc, kstr, klen, cb, u); \
}
#define IMPLEMENT_PEM_write(name, type, str, asn1) \
@@ -545,13 +575,22 @@
pem_password_cb *cb, void *u);
void * PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp,
void **x, pem_password_cb *cb, void *u);
+
#define PEM_ASN1_read_bio_of(type,d2i,name,bp,x,cb,u) \
-((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read_bio))(d2i,name,bp,x,cb,u)
+ ((type*)PEM_ASN1_read_bio(CHECKED_D2I_OF(type, d2i), \
+ name, bp, \
+ CHECKED_PPTR_OF(type, x), \
+ cb, u))
+
int PEM_ASN1_write_bio(i2d_of_void *i2d,const char *name,BIO *bp,char *x,
const EVP_CIPHER *enc,unsigned char *kstr,int klen,
pem_password_cb *cb, void *u);
+
#define PEM_ASN1_write_bio_of(type,i2d,name,bp,x,enc,kstr,klen,cb,u) \
- ((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d,name,bp,x,enc,kstr,klen,cb,u)
+ (PEM_ASN1_write_bio(CHECKED_I2D_OF(type, i2d), \
+ name, bp, \
+ CHECKED_PTR_OF(type, x), \
+ enc, kstr, klen, cb, u))
STACK_OF(X509_INFO) * PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
int PEM_X509_INFO_write_bio(BIO *bp,X509_INFO *xi, EVP_CIPHER *enc,
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