diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2011-04-01 14:49:30 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2011-04-01 14:49:30 +0000 |
commit | 3f7468318dc56f34e1c5e98049b70558fea586b0 (patch) | |
tree | eb68b679d96b456c0fd11f5d5c8e176c9d86e8e7 /crypto | |
parent | 011c865640fb6edd3e810326a2c331b29759e87d (diff) |
Provisional support for auto called OPENSSL_init() function. This can be
used to set up any appropriate functions such as FIPS callbacks without
requiring an explicit application call.
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/Makefile | 11 | ||||
-rw-r--r-- | crypto/crypto.h | 2 | ||||
-rw-r--r-- | crypto/o_init.c | 118 |
3 files changed, 129 insertions, 2 deletions
diff --git a/crypto/Makefile b/crypto/Makefile index be0cf890b0..faacc01a54 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -34,8 +34,12 @@ GENERAL=Makefile README crypto-lib.com install.com LIB= $(TOP)/libcrypto.a SHARED_LIB= libcrypto$(SHLIB_EXT) -LIBSRC= cryptlib.c mem.c mem_clr.c mem_dbg.c cversion.c ex_data.c cpt_err.c ebcdic.c uid.c o_time.c o_str.c o_dir.c thr_id.c lock.c fips_ers.c -LIBOBJ= cryptlib.o mem.o mem_dbg.o cversion.o ex_data.o cpt_err.o ebcdic.o uid.o o_time.o o_str.o o_dir.o thr_id.o lock.o fips_ers.o $(CPUID_OBJ) +LIBSRC= cryptlib.c mem.c mem_clr.c mem_dbg.c cversion.c ex_data.c cpt_err.c \ + ebcdic.c uid.c o_time.c o_str.c o_dir.c thr_id.c lock.c fips_ers.c \ + o_init.c +LIBOBJ= cryptlib.o mem.o mem_dbg.o cversion.o ex_data.o cpt_err.o \ + ebcdic.o uid.o o_time.o o_str.o o_dir.o thr_id.o lock.o fips_ers.o \ + o_init.o $(CPUID_OBJ) SRC= $(LIBSRC) @@ -84,6 +88,9 @@ pariscid.s: pariscid.pl; $(PERL) pariscid.pl $(PERLASM_SCHEME) $@ alphacpuid.s: alphacpuid.pl $(PERL) $< | $(CC) -E - | tee $@ > /dev/null +o_init.o: o_init.c + $(CC) $(CFLAGS) -c -o $@ $< + testapps: [ -z "$(THIS)" ] || ( if expr " $(SDIRS) " : ".* des " >/dev/null; \ then cd des && $(MAKE) -e des; fi ) diff --git a/crypto/crypto.h b/crypto/crypto.h index 443486d70e..469790d7a9 100644 --- a/crypto/crypto.h +++ b/crypto/crypto.h @@ -560,6 +560,8 @@ unsigned int *OPENSSL_ia32cap_loc(void); #define OPENSSL_ia32cap ((OPENSSL_ia32cap_loc())[0]) int OPENSSL_isservice(void); +void OPENSSL_init(void); + /* BEGIN ERROR CODES */ /* The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. diff --git a/crypto/o_init.c b/crypto/o_init.c new file mode 100644 index 0000000000..c6bc754df1 --- /dev/null +++ b/crypto/o_init.c @@ -0,0 +1,118 @@ +/* o_init.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 2011 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + */ + +#include <e_os.h> +#include <openssl/err.h> + +#if defined(__GNUC__) && __GNUC__>=2 + void OPENSSL_init(void) __attribute__((constructor)); + /* Most commonly this results in pointer to OPENSSL_init to be dropped + * to .ctors segment, which is traversed by GCC crtbegin.o upon + * program startup. Except on a.out OpenBSD where it results in + * _GLOBAL_$I$init() {init();} being auto-generated by + * compiler... But one way or another this is believed to cover + * *all* GCC targets. */ +#elif defined(_MSC_VER) +# ifdef _WINDLL + __declspec(dllexport) /* this is essentially cosmetics... */ +# endif + void OPENSSL_init(void); + static int init_wrapper(void) { OPENSSL_init(); return 0; } +# ifdef _WIN64 +# pragma section(".CRT$XCU",read) + __declspec(allocate(".CRT$XCU")) +# else +# pragma data_seg(".CRT$XCU") +# endif + static int (*p)(void) = init_wrapper; + /* This results in pointer to init to appear in .CRT segment, + * which is traversed by Visual C run-time initialization code. + * This applies to both Win32 and [all flavors of] Win64. */ +# pragma data_seg() +#elif defined(__SUNPRO_C) + void OPENSSL_init(void); +# pragma init(OPENSSL_init) + /* This results in a call to init to appear in .init segment. */ +#elif defined(__DECC) && (defined(__VMS) || defined(VMS)) + void OPENSSL_init(void); +# pragma __nostandard + globaldef { "LIB$INITIALIZ" } readonly _align (LONGWORD) + int spare[8] = {0}; + globaldef { "LIB$INITIALIZE" } readonly _align (LONGWORD) + void (*x_OPENSSL_init)(void) = OPENSSL_init; + /* Refer to LIB$INITIALIZE to ensure it exists in the image. */ + int lib$initialize(); + globaldef int (*lib_init_ref)() = lib$initialize; +# pragma __standard +#elif 0 + The rest has to be taken care of through command line: + + -Wl,-init,OPENSSL_init on OSF1 and IRIX + -Wl,+init,OPENSSL_init on HP-UX + -Wl,-binitfini:OPENSSL_init on AIX + + On ELF platforms this results in a call to OPENSSL_init to appear in + .init segment... +#endif + +/* Perform any essential OpenSSL initialization operations. + * Currently only sets FIPS callbacks + */ + +void OPENSSL_init(void) + { + fprintf(stderr, "Called OPENSSL_init\n"); + } + + |