/*
- * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* https://www.openssl.org/source/license.html
*/
-#include <stddef.h>
#include <openssl/crypto.h>
-#include "internal/dso_conf.h"
+#include "crypto/rand.h"
+#include "crypto/dso_conf.h"
+#include "internal/thread_once.h"
+#include "internal/cryptlib.h"
#include "e_os.h"
+#include "buildinf.h"
+
+#if defined(__arm__) || defined(__arm) || defined(__aarch64__)
+# include "arm_arch.h"
+# define CPU_INFO_STR_LEN 128
+#elif defined(__s390__) || defined(__s390x__)
+# include "s390x_arch.h"
+# define CPU_INFO_STR_LEN 2048
+#else
+# define CPU_INFO_STR_LEN 128
+#endif
+
+/* extern declaration to avoid warning */
+extern char ossl_cpu_info_str[];
+
+static char *seed_sources = NULL;
+
+char ossl_cpu_info_str[CPU_INFO_STR_LEN] = "";
+#define CPUINFO_PREFIX "CPUINFO: "
+
+static CRYPTO_ONCE init_info = CRYPTO_ONCE_STATIC_INIT;
+
+DEFINE_RUN_ONCE_STATIC(init_info_strings)
+{
+#if defined(OPENSSL_CPUID_OBJ)
+# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
+ defined(__x86_64) || defined(__x86_64__) || \
+ defined(_M_AMD64) || defined(_M_X64)
+ const char *env;
+
+ BIO_snprintf(ossl_cpu_info_str, sizeof(ossl_cpu_info_str),
+ CPUINFO_PREFIX "OPENSSL_ia32cap=0x%llx:0x%llx",
+ (long long)OPENSSL_ia32cap_P[0] |
+ (long long)OPENSSL_ia32cap_P[1] << 32,
+ (long long)OPENSSL_ia32cap_P[2] |
+ (long long)OPENSSL_ia32cap_P[3] << 32);
+ if ((env = getenv("OPENSSL_ia32cap")) != NULL)
+ BIO_snprintf(ossl_cpu_info_str + strlen(ossl_cpu_info_str),
+ sizeof(ossl_cpu_info_str) - strlen(ossl_cpu_info_str),
+ " env:%s", env);
+# elif defined(__arm__) || defined(__arm) || defined(__aarch64__)
+ const char *env;
+
+ BIO_snprintf(ossl_cpu_info_str, sizeof(ossl_cpu_info_str),
+ CPUINFO_PREFIX "OPENSSL_armcap=0x%x", OPENSSL_armcap_P);
+ if ((env = getenv("OPENSSL_armcap")) != NULL)
+ BIO_snprintf(ossl_cpu_info_str + strlen(ossl_cpu_info_str),
+ sizeof(ossl_cpu_info_str) - strlen(ossl_cpu_info_str),
+ " env:%s", env);
+# elif defined(__s390__) || defined(__s390x__)
+ const char *env;
+
+ BIO_snprintf(ossl_cpu_info_str, sizeof(ossl_cpu_info_str),
+ CPUINFO_PREFIX "OPENSSL_s390xcap="
+ "stfle:0x%llx:0x%llx:0x%llx:0x%llx:"
+ "kimd:0x%llx:0x%llx:"
+ "klmd:0x%llx:0x%llx:"
+ "km:0x%llx:0x%llx:"
+ "kmc:0x%llx:0x%llx:"
+ "kmac:0x%llx:0x%llx:"
+ "kmctr:0x%llx:0x%llx:"
+ "kmo:0x%llx:0x%llx:"
+ "kmf:0x%llx:0x%llx:"
+ "prno:0x%llx:0x%llx:"
+ "kma:0x%llx:0x%llx:"
+ "pcc:0x%llx:0x%llx:"
+ "kdsa:0x%llx:0x%llx",
+ OPENSSL_s390xcap_P.stfle[0], OPENSSL_s390xcap_P.stfle[1],
+ OPENSSL_s390xcap_P.stfle[2], OPENSSL_s390xcap_P.stfle[3],
+ OPENSSL_s390xcap_P.kimd[0], OPENSSL_s390xcap_P.kimd[1],
+ OPENSSL_s390xcap_P.klmd[0], OPENSSL_s390xcap_P.klmd[1],
+ OPENSSL_s390xcap_P.km[0], OPENSSL_s390xcap_P.km[1],
+ OPENSSL_s390xcap_P.kmc[0], OPENSSL_s390xcap_P.kmc[1],
+ OPENSSL_s390xcap_P.kmac[0], OPENSSL_s390xcap_P.kmac[1],
+ OPENSSL_s390xcap_P.kmctr[0], OPENSSL_s390xcap_P.kmctr[1],
+ OPENSSL_s390xcap_P.kmo[0], OPENSSL_s390xcap_P.kmo[1],
+ OPENSSL_s390xcap_P.kmf[0], OPENSSL_s390xcap_P.kmf[1],
+ OPENSSL_s390xcap_P.prno[0], OPENSSL_s390xcap_P.prno[1],
+ OPENSSL_s390xcap_P.kma[0], OPENSSL_s390xcap_P.kma[1],
+ OPENSSL_s390xcap_P.pcc[0], OPENSSL_s390xcap_P.pcc[1],
+ OPENSSL_s390xcap_P.kdsa[0], OPENSSL_s390xcap_P.kdsa[1]);
+ if ((env = getenv("OPENSSL_s390xcap")) != NULL)
+ BIO_snprintf(ossl_cpu_info_str + strlen(ossl_cpu_info_str),
+ sizeof(ossl_cpu_info_str) - strlen(ossl_cpu_info_str),
+ " env:%s", env);
+# endif
+#endif
+
+ {
+ static char seeds[512] = "";
+
+#define add_seeds_string(str) \
+ do { \
+ if (seeds[0] != '\0') \
+ OPENSSL_strlcat(seeds, " ", sizeof(seeds)); \
+ OPENSSL_strlcat(seeds, str, sizeof(seeds)); \
+ } while (0)
+#define add_seeds_stringlist(label, strlist) \
+ do { \
+ add_seeds_string(label "("); \
+ { \
+ const char *dev[] = { strlist, NULL }; \
+ const char **p; \
+ int first = 1; \
+ \
+ for (p = dev; *p != NULL; p++) { \
+ if (!first) \
+ OPENSSL_strlcat(seeds, " ", sizeof(seeds)); \
+ first = 0; \
+ OPENSSL_strlcat(seeds, *p, sizeof(seeds)); \
+ } \
+ } \
+ OPENSSL_strlcat(seeds, ")", sizeof(seeds)); \
+ } while (0)
+
+#ifdef OPENSSL_RAND_SEED_NONE
+ add_seeds_string("none");
+#endif
+#ifdef OPENSSL_RAND_SEED_RTDSC
+ add_seeds_string("stdsc");
+#endif
+#ifdef OPENSSL_RAND_SEED_RDCPU
+ add_seeds_string("rdrand ( rdseed rdrand )");
+#endif
+#ifdef OPENSSL_RAND_SEED_LIBRANDOM
+ add_seeds_string("C-library-random");
+#endif
+#ifdef OPENSSL_RAND_SEED_GETRANDOM
+ add_seeds_string("getrandom-syscall");
+#endif
+#ifdef OPENSSL_RAND_SEED_DEVRANDOM
+ add_seeds_stringlist("random-device", DEVRANDOM);
+#endif
+#ifdef OPENSSL_RAND_SEED_EGD
+ add_seeds_stringlist("EGD", DEVRANDOM_EGD);
+#endif
+#ifdef OPENSSL_RAND_SEED_OS
+ add_seeds_string("os-specific");
+#endif
+ seed_sources = seeds;
+ }
+ return 1;
+}
const char *OPENSSL_info(int t)
{
+ /*
+ * We don't care about the result. Worst case scenario, the strings
+ * won't be initialised, i.e. remain NULL, which means that the info
+ * isn't available anyway...
+ */
+ (void)RUN_ONCE(&init_info, init_info_strings);
+
switch (t) {
case OPENSSL_INFO_CONFIG_DIR:
return OPENSSLDIR;
static const char list_sep[] = { LIST_SEPARATOR_CHAR, '\0' };
return list_sep;
}
+ case OPENSSL_INFO_SEED_SOURCE:
+ return seed_sources;
+ case OPENSSL_INFO_CPU_SETTINGS:
+ /*
+ * If successfully initialized, ossl_cpu_info_str will start
+ * with CPUINFO_PREFIX, if failed it will be an empty string.
+ * Strip away the CPUINFO_PREFIX which we don't need here.
+ */
+ if (ossl_cpu_info_str[0] != '\0')
+ return ossl_cpu_info_str + strlen(CPUINFO_PREFIX);
+ break;
default:
break;
}
projects / openssl.git / blobdiff