Remove oh-so-important-from-a-security-pov OpenSSL_rtdsc() function.

1 files changed, 2 insertions, 145 deletions

diff --git a/src/lib/libcrypto/sparcv9cap.c b/src/lib/libcrypto/sparcv9cap.c
index 05c084807a..f49e71ec93 100644
--- a/src/lib/libcrypto/sparcv9cap.c
+++ b/src/lib/libcrypto/sparcv9cap.c
@@ -6,13 +6,12 @@
 #include <sys/time.h>
 #include <openssl/bn.h>
 
-#define SPARCV9_TICK_PRIVILEGED (1<<0)
 #define SPARCV9_PREFER_FPU      (1<<1)
 #define SPARCV9_VIS1            (1<<2)
 #define SPARCV9_VIS2            (1<<3)  /* reserved */
 #define SPARCV9_FMADD           (1<<4)  /* reserved for SPARC64 V */
 
-static int OPENSSL_sparcv9cap_P = SPARCV9_TICK_PRIVILEGED;
+static int OPENSSL_sparcv9cap_P = 0;
 
 int
 bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
@@ -29,146 +28,11 @@ bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
                 return bn_mul_mont_int(rp, ap, bp, np, n0, num);
 }
 
-unsigned long   _sparcv9_rdtick(void);
 void            _sparcv9_vis1_probe(void);
 unsigned long   _sparcv9_vis1_instrument(void);
 void            _sparcv9_vis2_probe(void);
 void            _sparcv9_fmadd_probe(void);
 
-unsigned long
-OPENSSL_rdtsc(void)
-{
-        if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
-#if defined(__sun) && defined(__SVR4)
-                return gethrtime();
-#else
-                return 0;
-#endif
-        else
-                return _sparcv9_rdtick();
-}
-
-#if 0 && defined(__sun) && defined(__SVR4)
-/* This code path is disabled, because of incompatibility of
- * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
- */
-#include <malloc.h>
-#include <dlfcn.h>
-#include <libdevinfo.h>
-#include <sys/systeminfo.h>
-
-typedef di_node_t (*di_init_t)(const char *, uint_t);
-typedef void      (*di_fini_t)(di_node_t);
-typedef char *    (*di_node_name_t)(di_node_t);
-typedef int       (*di_walk_node_t)(di_node_t, uint_t, di_node_name_t, int (*)(di_node_t, di_node_name_t));
-
-#define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
-
-static int
-walk_nodename(di_node_t node, di_node_name_t di_node_name)
-{
-        char *name = (*di_node_name)(node);
-
-        /* This is expected to catch all UltraSPARC flavors prior T1 */
-        if (!strcmp (name, "SUNW,UltraSPARC") ||
-            !strncmp(name,"SUNW,UltraSPARC-I",17))  /* covers II,III,IV */
-        {
-                OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
-
-                /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
-                if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
-                        OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
-
-                return DI_WALK_TERMINATE;
-        }
-        /* This is expected to catch remaining UltraSPARCs, such as T1 */
-        else if (!strncmp(name, "SUNW,UltraSPARC", 15)) {
-                OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
-
-                return DI_WALK_TERMINATE;
-        }
-
-        return DI_WALK_CONTINUE;
-}
-
-void
-OPENSSL_cpuid_setup(void)
-{
-        void *h;
-        char *e, si[256];
-        static int trigger = 0;
-
-        if (trigger)
-                return;
-        trigger = 1;
-
-        if ((e = getenv("OPENSSL_sparcv9cap"))) {
-                OPENSSL_sparcv9cap_P = strtoul(e, NULL, 0);
-                return;
-        }
-
-        if (sysinfo(SI_MACHINE, si, sizeof(si)) > 0) {
-                if (strcmp(si, "sun4v"))
-                        /* FPU is preferred for all CPUs, but US-T1/2 */
-                        OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
-        }
-
-        if (sysinfo(SI_ISALIST, si, sizeof(si)) > 0) {
-                if (strstr(si, "+vis"))
-                        OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
-                if (strstr(si, "+vis2")) {
-                        OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
-                        OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
-                        return;
-                }
-        }
-#ifdef M_KEEP
-        /*
-         * Solaris libdevinfo.so.1 is effectively incomatible with
-         * libmalloc.so.1. Specifically, if application is linked with
-         * -lmalloc, it crashes upon startup with SIGSEGV in
-         * free(3LIBMALLOC) called by di_fini. Prior call to
-         * mallopt(M_KEEP,0) somehow helps... But not always...
-         */
-        if ((h = dlopen(NULL, RTLD_LAZY))) {
-                        union { void *p;
-                        int (*f)(int, int);
-                } sym;
-                if ((sym.p = dlsym(h, "mallopt"))) (*sym.f)(M_KEEP, 0);
-                        dlclose(h);
-        }
-#endif
-        if ((h = dlopen("libdevinfo.so.1", RTLD_LAZY)))
-                do {
-                        di_init_t       di_init;
-                        di_fini_t       di_fini;
-                        di_walk_node_t  di_walk_node;
-                        di_node_name_t  di_node_name;
-                        di_node_t       root_node;
-
-                        if (!DLLINK(h, di_init))
-                                break;
-                        if (!DLLINK(h, di_fini))
-                                break;
-                        if (!DLLINK(h, di_walk_node))
-                                break;
-                        if (!DLLINK(h, di_node_name))
-                                break;
-
-                        if ((root_node = (*di_init)("/", DINFOSUBTREE)) !=
-                            DI_NODE_NIL) {
-                                (*di_walk_node)(root_node, DI_WALK_SIBFIRST,
-                                   di_node_name, walk_nodename);
-                                (*di_fini)(root_node);
-                        }
-                } while (0);
-
-        if (h)
-                dlclose(h);
-}
-
-#else
-
 static sigjmp_buf common_jmp;
 static void common_handler(int sig)
 {
@@ -193,7 +57,7 @@ OPENSSL_cpuid_setup(void)
         }
 
         /* Initial value, fits UltraSPARC-I&II... */
-        OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
+        OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU;
 
         sigfillset(&all_masked);
         sigdelset(&all_masked, SIGILL);
@@ -214,11 +78,6 @@ OPENSSL_cpuid_setup(void)
         sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
 
         if (sigsetjmp(common_jmp, 1) == 0) {
-                _sparcv9_rdtick();
-                OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
-        }
-
-        if (sigsetjmp(common_jmp, 1) == 0) {
                 _sparcv9_vis1_probe();
                 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
                 /* detect UltraSPARC-Tx, see sparccpud.S for details... */
@@ -240,5 +99,3 @@ OPENSSL_cpuid_setup(void)
 
         sigprocmask(SIG_SETMASK, &oset, NULL);
 }
-
-#endif