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authorPatrick Steuer <patrick.steuer@de.ibm.com>2017-01-30 17:37:54 +0100
committerAndy Polyakov <appro@openssl.org>2018-10-17 14:02:34 +0200
commitf39ad8dcaa75293968d2633d043de3f5fce4f37b (patch)
treee4ab52d24eeef68bccaf2aaa83e6d1ce03745988 /crypto/s390xcap.c
parent9453b196343db579c590130adc63d35d2ff87188 (diff)
s390x assembly pack: add OPENSSL_s390xcap environment variable.
The OPENSSL_s390xcap environment variable is used to set bits in the s390x capability vector to zero. This simplifies testing of different code paths. Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com> Reviewed-by: Andy Polyakov <appro@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/6813)
Diffstat (limited to 'crypto/s390xcap.c')
-rw-r--r--crypto/s390xcap.c515
1 files changed, 515 insertions, 0 deletions
diff --git a/crypto/s390xcap.c b/crypto/s390xcap.c
index e7c7f0a357..881613a45f 100644
--- a/crypto/s390xcap.c
+++ b/crypto/s390xcap.c
@@ -13,15 +13,51 @@
#include <setjmp.h>
#include <signal.h>
#include "internal/cryptlib.h"
+#include "internal/ctype.h"
#include "s390x_arch.h"
+#define LEN 128
+#define STR_(S) #S
+#define STR(S) STR_(S)
+
+#define TOK_FUNC(NAME) \
+ (sscanf(tok_begin, \
+ " " STR(NAME) " : %" STR(LEN) "[^:] : " \
+ "%" STR(LEN) "s %" STR(LEN) "s ", \
+ tok[0], tok[1], tok[2]) == 2) { \
+ \
+ off = (tok[0][0] == '~') ? 1 : 0; \
+ if (sscanf(tok[0] + off, "%llx", &cap->NAME[0]) != 1) \
+ goto ret; \
+ if (off) \
+ cap->NAME[0] = ~cap->NAME[0]; \
+ \
+ off = (tok[1][0] == '~') ? 1 : 0; \
+ if (sscanf(tok[1] + off, "%llx", &cap->NAME[1]) != 1) \
+ goto ret; \
+ if (off) \
+ cap->NAME[1] = ~cap->NAME[1]; \
+ }
+
+#define TOK_CPU(NAME) \
+ (sscanf(tok_begin, \
+ " %" STR(LEN) "s %" STR(LEN) "s ", \
+ tok[0], tok[1]) == 1 \
+ && !strcmp(tok[0], #NAME)) { \
+ memcpy(cap, &NAME, sizeof(*cap)); \
+ }
+
static sigjmp_buf ill_jmp;
static void ill_handler(int sig)
{
siglongjmp(ill_jmp, sig);
}
+static const char *env;
+static int parse_env(struct OPENSSL_s390xcap_st *cap);
+
void OPENSSL_s390x_facilities(void);
+void OPENSSL_s390x_functions(void);
void OPENSSL_vx_probe(void);
struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
@@ -30,6 +66,7 @@ void OPENSSL_cpuid_setup(void)
{
sigset_t oset;
struct sigaction ill_act, oact;
+ struct OPENSSL_s390xcap_st cap;
if (OPENSSL_s390xcap_P.stfle[0])
return;
@@ -37,6 +74,12 @@ void OPENSSL_cpuid_setup(void)
/* set a bit that will not be tested later */
OPENSSL_s390xcap_P.stfle[0] |= S390X_CAPBIT(0);
+ env = getenv("OPENSSL_s390xcap");
+ if (env != NULL) {
+ if (!parse_env(&cap))
+ env = NULL;
+ }
+
memset(&ill_act, 0, sizeof(ill_act));
ill_act.sa_handler = ill_handler;
sigfillset(&ill_act.sa_mask);
@@ -51,6 +94,12 @@ void OPENSSL_cpuid_setup(void)
if (sigsetjmp(ill_jmp, 1) == 0)
OPENSSL_s390x_facilities();
+ if (env != NULL) {
+ OPENSSL_s390xcap_P.stfle[0] &= cap.stfle[0];
+ OPENSSL_s390xcap_P.stfle[1] &= cap.stfle[1];
+ OPENSSL_s390xcap_P.stfle[2] &= cap.stfle[2];
+ }
+
/* protection against disabled vector facility */
if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX))
&& (sigsetjmp(ill_jmp, 1) == 0)) {
@@ -64,4 +113,470 @@ void OPENSSL_cpuid_setup(void)
sigaction(SIGFPE, &oact, NULL);
sigaction(SIGILL, &oact, NULL);
sigprocmask(SIG_SETMASK, &oset, NULL);
+
+ OPENSSL_s390x_functions();
+
+ if (env != NULL) {
+ OPENSSL_s390xcap_P.kimd[0] &= cap.kimd[0];
+ OPENSSL_s390xcap_P.kimd[1] &= cap.kimd[1];
+ OPENSSL_s390xcap_P.klmd[0] &= cap.klmd[0];
+ OPENSSL_s390xcap_P.klmd[1] &= cap.klmd[1];
+ OPENSSL_s390xcap_P.km[0] &= cap.km[0];
+ OPENSSL_s390xcap_P.km[1] &= cap.km[1];
+ OPENSSL_s390xcap_P.kmc[0] &= cap.kmc[0];
+ OPENSSL_s390xcap_P.kmc[1] &= cap.kmc[1];
+ OPENSSL_s390xcap_P.kmac[0] &= cap.kmac[0];
+ OPENSSL_s390xcap_P.kmac[1] &= cap.kmac[1];
+ OPENSSL_s390xcap_P.kmctr[0] &= cap.kmctr[0];
+ OPENSSL_s390xcap_P.kmctr[1] &= cap.kmctr[1];
+ OPENSSL_s390xcap_P.kmo[0] &= cap.kmo[0];
+ OPENSSL_s390xcap_P.kmo[1] &= cap.kmo[1];
+ OPENSSL_s390xcap_P.kmf[0] &= cap.kmf[0];
+ OPENSSL_s390xcap_P.kmf[1] &= cap.kmf[1];
+ OPENSSL_s390xcap_P.prno[0] &= cap.prno[0];
+ OPENSSL_s390xcap_P.prno[1] &= cap.prno[1];
+ OPENSSL_s390xcap_P.kma[0] &= cap.kma[0];
+ OPENSSL_s390xcap_P.kma[1] &= cap.kma[1];
+ }
+}
+
+static int parse_env(struct OPENSSL_s390xcap_st *cap)
+{
+ /*-
+ * CPU model data
+ * (only the STFLE- and QUERY-bits relevant to libcrypto are set)
+ */
+
+ /*-
+ * z900 (2000) - z/Architecture POP SA22-7832-00
+ * Facility detection would fail on real hw (no STFLE).
+ */
+ static const struct OPENSSL_s390xcap_st z900 = {
+ .stfle = {0ULL, 0ULL, 0ULL, 0ULL},
+ .kimd = {0ULL, 0ULL},
+ .klmd = {0ULL, 0ULL},
+ .km = {0ULL, 0ULL},
+ .kmc = {0ULL, 0ULL},
+ .kmac = {0ULL, 0ULL},
+ .kmctr = {0ULL, 0ULL},
+ .kmo = {0ULL, 0ULL},
+ .kmf = {0ULL, 0ULL},
+ .prno = {0ULL, 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * z990 (2003) - z/Architecture POP SA22-7832-02
+ * Implements MSA. Facility detection would fail on real hw (no STFLE).
+ */
+ static const struct OPENSSL_s390xcap_st z990 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA),
+ 0ULL, 0ULL, 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1),
+ 0ULL},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY),
+ 0ULL},
+ .kmctr = {0ULL, 0ULL},
+ .kmo = {0ULL, 0ULL},
+ .kmf = {0ULL, 0ULL},
+ .prno = {0ULL, 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * z9 (2005) - z/Architecture POP SA22-7832-04
+ * Implements MSA and MSA1.
+ */
+ static const struct OPENSSL_s390xcap_st z9 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA)
+ | S390X_CAPBIT(S390X_STCKF),
+ 0ULL, 0ULL, 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256),
+ 0ULL},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY),
+ 0ULL},
+ .kmctr = {0ULL, 0ULL},
+ .kmo = {0ULL, 0ULL},
+ .kmf = {0ULL, 0ULL},
+ .prno = {0ULL, 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * z10 (2008) - z/Architecture POP SA22-7832-06
+ * Implements MSA and MSA1-2.
+ */
+ static const struct OPENSSL_s390xcap_st z10 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA)
+ | S390X_CAPBIT(S390X_STCKF),
+ 0ULL, 0ULL, 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ 0ULL},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY),
+ 0ULL},
+ .kmctr = {0ULL, 0ULL},
+ .kmo = {0ULL, 0ULL},
+ .kmf = {0ULL, 0ULL},
+ .prno = {0ULL, 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * z196 (2010) - z/Architecture POP SA22-7832-08
+ * Implements MSA and MSA1-4.
+ */
+ static const struct OPENSSL_s390xcap_st z196 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA)
+ | S390X_CAPBIT(S390X_STCKF),
+ S390X_CAPBIT(S390X_MSA3)
+ | S390X_CAPBIT(S390X_MSA4),
+ 0ULL, 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ S390X_CAPBIT(S390X_GHASH)},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256)
+ | S390X_CAPBIT(S390X_XTS_AES_128)
+ | S390X_CAPBIT(S390X_XTS_AES_256),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmctr = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmo = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmf = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .prno = {0ULL, 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * zEC12 (2012) - z/Architecture POP SA22-7832-09
+ * Implements MSA and MSA1-4.
+ */
+ static const struct OPENSSL_s390xcap_st zEC12 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA)
+ | S390X_CAPBIT(S390X_STCKF),
+ S390X_CAPBIT(S390X_MSA3)
+ | S390X_CAPBIT(S390X_MSA4),
+ 0ULL, 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ S390X_CAPBIT(S390X_GHASH)},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256)
+ | S390X_CAPBIT(S390X_XTS_AES_128)
+ | S390X_CAPBIT(S390X_XTS_AES_256),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmctr = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmo = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmf = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .prno = {0ULL, 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * z13 (2015) - z/Architecture POP SA22-7832-10
+ * Implements MSA and MSA1-5.
+ */
+ static const struct OPENSSL_s390xcap_st z13 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA)
+ | S390X_CAPBIT(S390X_STCKF)
+ | S390X_CAPBIT(S390X_MSA5),
+ S390X_CAPBIT(S390X_MSA3)
+ | S390X_CAPBIT(S390X_MSA4),
+ S390X_CAPBIT(S390X_VX),
+ 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ S390X_CAPBIT(S390X_GHASH)},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256)
+ | S390X_CAPBIT(S390X_XTS_AES_128)
+ | S390X_CAPBIT(S390X_XTS_AES_256),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmctr = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmo = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmf = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .prno = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_512_DRNG),
+ 0ULL},
+ .kma = {0ULL, 0ULL},
+ };
+
+ /*-
+ * z14 (2017) - z/Architecture POP SA22-7832-11
+ * Implements MSA and MSA1-8.
+ */
+ static const struct OPENSSL_s390xcap_st z14 = {
+ .stfle = {S390X_CAPBIT(S390X_MSA)
+ | S390X_CAPBIT(S390X_STCKF)
+ | S390X_CAPBIT(S390X_MSA5),
+ S390X_CAPBIT(S390X_MSA3)
+ | S390X_CAPBIT(S390X_MSA4),
+ S390X_CAPBIT(S390X_VX)
+ | S390X_CAPBIT(S390X_VXD)
+ | S390X_CAPBIT(S390X_VXE)
+ | S390X_CAPBIT(S390X_MSA8),
+ 0ULL},
+ .kimd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512)
+ | S390X_CAPBIT(S390X_SHA3_224)
+ | S390X_CAPBIT(S390X_SHA3_256)
+ | S390X_CAPBIT(S390X_SHA3_384)
+ | S390X_CAPBIT(S390X_SHA3_512)
+ | S390X_CAPBIT(S390X_SHAKE_128)
+ | S390X_CAPBIT(S390X_SHAKE_256),
+ S390X_CAPBIT(S390X_GHASH)},
+ .klmd = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_1)
+ | S390X_CAPBIT(S390X_SHA_256)
+ | S390X_CAPBIT(S390X_SHA_512)
+ | S390X_CAPBIT(S390X_SHA3_224)
+ | S390X_CAPBIT(S390X_SHA3_256)
+ | S390X_CAPBIT(S390X_SHA3_384)
+ | S390X_CAPBIT(S390X_SHA3_512)
+ | S390X_CAPBIT(S390X_SHAKE_128)
+ | S390X_CAPBIT(S390X_SHAKE_256),
+ 0ULL},
+ .km = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256)
+ | S390X_CAPBIT(S390X_XTS_AES_128)
+ | S390X_CAPBIT(S390X_XTS_AES_256),
+ 0ULL},
+ .kmc = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmac = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmctr = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmo = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .kmf = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ .prno = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_SHA_512_DRNG),
+ S390X_CAPBIT(S390X_TRNG)},
+ .kma = {S390X_CAPBIT(S390X_QUERY)
+ | S390X_CAPBIT(S390X_AES_128)
+ | S390X_CAPBIT(S390X_AES_192)
+ | S390X_CAPBIT(S390X_AES_256),
+ 0ULL},
+ };
+
+ char *tok_begin, *tok_end, *buff, tok[S390X_STFLE_MAX][LEN + 1];
+ int rc, off, i, n;
+
+ buff = malloc(strlen(env) + 1);
+ if (buff == NULL)
+ return 0;
+
+ rc = 0;
+ memset(cap, ~0, sizeof(*cap));
+ strcpy(buff, env);
+
+ tok_begin = buff + strspn(buff, ";");
+ strtok(tok_begin, ";");
+ tok_end = strtok(NULL, ";");
+
+ while (tok_begin != NULL) {
+ /* stfle token */
+ if ((n = sscanf(tok_begin,
+ " stfle : %" STR(LEN) "[^:] : "
+ "%" STR(LEN) "[^:] : %" STR(LEN) "s ",
+ tok[0], tok[1], tok[2]))) {
+ for (i = 0; i < n; i++) {
+ off = (tok[i][0] == '~') ? 1 : 0;
+ if (sscanf(tok[i] + off, "%llx", &cap->stfle[i]) != 1)
+ goto ret;
+ if (off)
+ cap->stfle[i] = ~cap->stfle[i];
+ }
+ }
+
+ /* query function tokens */
+ else if TOK_FUNC(kimd)
+ else if TOK_FUNC(klmd)
+ else if TOK_FUNC(km)
+ else if TOK_FUNC(kmc)
+ else if TOK_FUNC(kmac)
+ else if TOK_FUNC(kmctr)
+ else if TOK_FUNC(kmo)
+ else if TOK_FUNC(kmf)
+ else if TOK_FUNC(prno)
+ else if TOK_FUNC(kma)
+
+ /* CPU model tokens */
+ else if TOK_CPU(z900)
+ else if TOK_CPU(z990)
+ else if TOK_CPU(z9)
+ else if TOK_CPU(z10)
+ else if TOK_CPU(z196)
+ else if TOK_CPU(zEC12)
+ else if TOK_CPU(z13)
+ else if TOK_CPU(z14)
+
+ /* whitespace(ignored) or invalid tokens */
+ else {
+ while (*tok_begin != '\0') {
+ if (!ossl_isspace(*tok_begin))
+ goto ret;
+ tok_begin++;
+ }
+ }
+
+ tok_begin = tok_end;
+ tok_end = strtok(NULL, ";");
+ }
+
+ rc = 1;
+ret:
+ free(buff);
+ return rc;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 09:17:31 +0000