90 lines
2.8 KiB
Diff
90 lines
2.8 KiB
Diff
diff -up libgcrypt-1.6.2/src/fips.c.use-fipscheck libgcrypt-1.6.2/src/fips.c
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--- libgcrypt-1.6.2/src/fips.c.use-fipscheck 2014-08-21 14:50:39.000000000 +0200
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+++ libgcrypt-1.6.2/src/fips.c 2014-09-26 11:42:20.999588282 +0200
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@@ -578,23 +578,50 @@ run_random_selftests (void)
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return !!err;
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}
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+#ifdef ENABLE_HMAC_BINARY_CHECK
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+static int
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+get_library_path(const char *libname, const char *symbolname, char *path, size_t pathlen)
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+{
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+ Dl_info info;
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+ void *dl, *sym;
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+ int rv = -1;
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+
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+ dl = dlopen(libname, RTLD_LAZY);
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+ if (dl == NULL) {
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+ return -1;
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+ }
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+
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+ sym = dlsym(dl, symbolname);
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+
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+ if (sym != NULL && dladdr(sym, &info)) {
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+ strncpy(path, info.dli_fname, pathlen-1);
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+ path[pathlen-1] = '\0';
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+ rv = 0;
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+ }
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+
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+ dlclose(dl);
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+
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+ return rv;
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+}
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+#endif
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+
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/* Run an integrity check on the binary. Returns 0 on success. */
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static int
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check_binary_integrity (void)
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{
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#ifdef ENABLE_HMAC_BINARY_CHECK
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gpg_error_t err;
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- Dl_info info;
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+ char libpath[4096];
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unsigned char digest[32];
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int dlen;
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char *fname = NULL;
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- const char key[] = "What am I, a doctor or a moonshuttle conductor?";
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-
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- if (!dladdr ("gcry_check_version", &info))
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+ const char key[] = "orboDeJITITejsirpADONivirpUkvarP";
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+
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+ if (get_library_path ("libgcrypt.so.20", "gcry_check_version", libpath, sizeof(libpath)))
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err = gpg_error_from_syserror ();
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else
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{
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- dlen = _gcry_hmac256_file (digest, sizeof digest, info.dli_fname,
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+ dlen = _gcry_hmac256_file (digest, sizeof digest, libpath,
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key, strlen (key));
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if (dlen < 0)
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err = gpg_error_from_syserror ();
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@@ -602,7 +629,7 @@ check_binary_integrity (void)
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err = gpg_error (GPG_ERR_INTERNAL);
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else
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{
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- fname = xtrymalloc (strlen (info.dli_fname) + 1 + 5 + 1 );
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+ fname = xtrymalloc (strlen (libpath) + 1 + 5 + 1 );
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if (!fname)
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err = gpg_error_from_syserror ();
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else
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@@ -611,7 +638,7 @@ check_binary_integrity (void)
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char *p;
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/* Prefix the basename with a dot. */
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- strcpy (fname, info.dli_fname);
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+ strcpy (fname, libpath);
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p = strrchr (fname, '/');
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if (p)
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p++;
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diff -up libgcrypt-1.6.2/src/Makefile.in.use-fipscheck libgcrypt-1.6.2/src/Makefile.in
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--- libgcrypt-1.6.2/src/Makefile.in.use-fipscheck 2014-08-21 15:14:08.000000000 +0200
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+++ libgcrypt-1.6.2/src/Makefile.in 2014-09-26 11:41:13.271059281 +0200
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@@ -449,7 +449,7 @@ libgcrypt_la_LIBADD = $(gcrypt_res) \
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../cipher/libcipher.la \
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../random/librandom.la \
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../mpi/libmpi.la \
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- ../compat/libcompat.la $(GPG_ERROR_LIBS)
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+ ../compat/libcompat.la $(GPG_ERROR_LIBS) -ldl
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dumpsexp_SOURCES = dumpsexp.c
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dumpsexp_CFLAGS = $(arch_gpg_error_cflags)
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