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avoid dlopening libssl.so from libcrypto (#1010357)

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This commit is contained in:
Tomas Mraz 2013-09-23 18:30:01 +02:00
parent 372f3ac997
commit df94661da5
2 changed files with 83 additions and 9 deletions
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87
openssl-1.0.1e-fips-ctor.patch
View File

@ -1,6 +1,6 @@
diff -up openssl-1.0.1e/crypto/fips/fips.c.fips-ctor openssl-1.0.1e/crypto/fips/fips.c diff -up openssl-1.0.1e/crypto/fips/fips.c.fips-ctor openssl-1.0.1e/crypto/fips/fips.c
--- openssl-1.0.1e/crypto/fips/fips.c.fips-ctor 2013-09-02 14:20:26.853925144 +0200 --- openssl-1.0.1e/crypto/fips/fips.c.fips-ctor 2013-09-23 18:05:15.731136863 +0200
+++ openssl-1.0.1e/crypto/fips/fips.c 2013-09-02 14:22:18.082370680 +0200 +++ openssl-1.0.1e/crypto/fips/fips.c 2013-09-23 18:18:27.953969770 +0200
@@ -60,6 +60,8 @@ @@ -60,6 +60,8 @@
#include <dlfcn.h> #include <dlfcn.h>
#include <stdio.h> #include <stdio.h>
@ -23,11 +23,65 @@ diff -up openssl-1.0.1e/crypto/fips/fips.c.fips-ctor openssl-1.0.1e/crypto/fips/
#define READ_BUFFER_LENGTH 16384 #define READ_BUFFER_LENGTH 16384
static char * static char *
@@ -341,6 +345,32 @@ end: @@ -279,19 +283,13 @@ end:
}
static int
-FIPSCHECK_verify(const char *libname, const char *symbolname)
+FIPSCHECK_verify(const char *path)
{
- char path[PATH_MAX+1];
- int rv;
+ int rv = 0;
FILE *hf;
char *hmacpath, *p;
char *hmac = NULL;
size_t n;
-
- rv = get_library_path(libname, symbolname, path, sizeof(path));
-
- if (rv < 0)
- return 0;
hmacpath = make_hmac_path(path);
if (hmacpath == NULL)
@@ -341,6 +339,64 @@ end:
return 1; return 1;
} }
+int FIPS_module_installed(void) +static int
+verify_checksums(void)
+ {
+ int rv;
+ char path[PATH_MAX+1];
+ char *p;
+
+ /* we need to avoid dlopening libssl, assume both libcrypto and libssl
+ are in the same directory */
+
+ rv = get_library_path("libcrypto.so." SHLIB_VERSION_NUMBER, "FIPS_mode_set", path, sizeof(path));
+ if (rv < 0)
+ return 0;
+
+ rv = FIPSCHECK_verify(path);
+ if (!rv)
+ return 0;
+
+ /* replace libcrypto with libssl */
+ while ((p = strstr(path, "libcrypto.so")) != NULL)
+ {
+ p = stpcpy(p, "libssl");
+ memmove(p, p+3, strlen(p+2));
+ }
+
+ rv = FIPSCHECK_verify(path);
+ if (!rv)
+ return 0;
+ return 1;
+ }
+
+int
+FIPS_module_installed(void)
+ { + {
+ char path[PATH_MAX+1]; + char path[PATH_MAX+1];
+ int rv; + int rv;
@ -56,9 +110,26 @@ diff -up openssl-1.0.1e/crypto/fips/fips.c.fips-ctor openssl-1.0.1e/crypto/fips/
int FIPS_module_mode_set(int onoff, const char *auth) int FIPS_module_mode_set(int onoff, const char *auth)
{ {
int ret = 0; int ret = 0;
@@ -379,15 +435,7 @@ int FIPS_module_mode_set(int onoff, cons
}
#endif
- if(!FIPSCHECK_verify("libcrypto.so." SHLIB_VERSION_NUMBER,"FIPS_mode_set"))
- {
- FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
- fips_selftest_fail = 1;
- ret = 0;
- goto end;
- }
-
- if(!FIPSCHECK_verify("libssl.so." SHLIB_VERSION_NUMBER,"SSL_CTX_new"))
+ if(!verify_checksums())
{
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
fips_selftest_fail = 1;
diff -up openssl-1.0.1e/crypto/fips/fips.h.fips-ctor openssl-1.0.1e/crypto/fips/fips.h diff -up openssl-1.0.1e/crypto/fips/fips.h.fips-ctor openssl-1.0.1e/crypto/fips/fips.h
--- openssl-1.0.1e/crypto/fips/fips.h.fips-ctor 2013-09-02 14:20:26.857925232 +0200 --- openssl-1.0.1e/crypto/fips/fips.h.fips-ctor 2013-09-23 18:05:15.734136931 +0200
+++ openssl-1.0.1e/crypto/fips/fips.h 2013-09-02 14:20:26.915926507 +0200 +++ openssl-1.0.1e/crypto/fips/fips.h 2013-09-23 18:05:15.775137854 +0200
@@ -74,6 +74,7 @@ struct hmac_ctx_st; @@ -74,6 +74,7 @@ struct hmac_ctx_st;
int FIPS_module_mode_set(int onoff, const char *auth); int FIPS_module_mode_set(int onoff, const char *auth);
@ -68,8 +139,8 @@ diff -up openssl-1.0.1e/crypto/fips/fips.h.fips-ctor openssl-1.0.1e/crypto/fips/
int FIPS_selftest(void); int FIPS_selftest(void);
int FIPS_selftest_failed(void); int FIPS_selftest_failed(void);
diff -up openssl-1.0.1e/crypto/o_init.c.fips-ctor openssl-1.0.1e/crypto/o_init.c diff -up openssl-1.0.1e/crypto/o_init.c.fips-ctor openssl-1.0.1e/crypto/o_init.c
--- openssl-1.0.1e/crypto/o_init.c.fips-ctor 2013-09-02 14:20:26.894926046 +0200 --- openssl-1.0.1e/crypto/o_init.c.fips-ctor 2013-09-23 18:05:15.762137561 +0200
+++ openssl-1.0.1e/crypto/o_init.c 2013-09-02 14:20:26.916926529 +0200 +++ openssl-1.0.1e/crypto/o_init.c 2013-09-23 18:05:15.776137876 +0200
@@ -73,6 +73,10 @@ static void init_fips_mode(void) @@ -73,6 +73,10 @@ static void init_fips_mode(void)
char buf[2] = "0"; char buf[2] = "0";
int fd; int fd;

5
openssl.spec
View File

@ -21,7 +21,7 @@
Summary: Utilities from the general purpose cryptography library with TLS implementation Summary: Utilities from the general purpose cryptography library with TLS implementation
Name: openssl Name: openssl
Version: 1.0.1e Version: 1.0.1e
Release: 24%{?dist} Release: 25%{?dist}
Epoch: 1 Epoch: 1
# We have to remove certain patented algorithms from the openssl source # We have to remove certain patented algorithms from the openssl source
# tarball with the hobble-openssl script which is included below. # tarball with the hobble-openssl script which is included below.
@ -473,6 +473,9 @@ rm -rf $RPM_BUILD_ROOT/%{_libdir}/fipscanister.*
prelink -u %{_libdir}/libcrypto.so.%{version} %{_libdir}/libssl.so.%{version} 2>/dev/null || : prelink -u %{_libdir}/libcrypto.so.%{version} %{_libdir}/libssl.so.%{version} 2>/dev/null || :
%changelog %changelog
* Mon Sep 23 2013 Tomáš Mráz <tmraz@redhat.com> 1.0.1e-25
- avoid dlopening libssl.so from libcrypto (#1010357)
* Fri Sep 20 2013 Tomáš Mráz <tmraz@redhat.com> 1.0.1e-24 * Fri Sep 20 2013 Tomáš Mráz <tmraz@redhat.com> 1.0.1e-24
- fix small memory leak in FIPS aes selftest - fix small memory leak in FIPS aes selftest