mirror of
https://github.com/intel/linux-sgx
synced 2026-06-08 14:49:32 +00:00
Li, Xun
c505e6129a
Added support for Reproducible Enclave Build using Docker file. Added support for Intel AVX-512 instructions and Intel SHA Extensions New Instructions (SHA-NI) in trusted libraries. Support both EPID and ECDSA based quote for quoting related interfaces in sgx_uae_service library. Updated key exchange library to support both EPID and ECDSA based remote attestation. Support new interface to check platform information blob from remote attestation response message. Fixed bugs. Signed-off-by: Li, Xun <xun.li@intel.com>
125 lines
2.2 KiB
C
125 lines
2.2 KiB
C
/* This program should crash and produce coredump */
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#include "compiler.h"
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef __FreeBSD__
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#endif
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#if defined(__linux__)
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void write_maps(char *fname)
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{
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char buf[512], path[128];
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char exec;
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uintmax_t addr;
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FILE *maps = fopen("/proc/self/maps", "r");
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FILE *out = fopen(fname, "w");
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if (!maps || !out)
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exit(EXIT_FAILURE);
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while (fgets(buf, sizeof(buf), maps))
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{
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if (sscanf(buf, "%jx-%*x %*c%*c%c%*c %*x %*s %*d /%126[^\n]", &addr, &exec, path+1) != 3)
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continue;
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if (exec != 'x')
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continue;
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path[0] = '/';
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fprintf(out, "0x%jx:%s ", addr, path);
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}
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fprintf(out, "\n");
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fclose(out);
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fclose(maps);
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}
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#elif defined(__FreeBSD__)
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void
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write_maps(char *fname)
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{
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FILE *out;
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char *buf, *bp, *eb;
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struct kinfo_vmentry *kv;
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int mib[4], error;
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size_t len;
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out = fopen(fname, "w");
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if (out == NULL)
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exit(EXIT_FAILURE);
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len = 0;
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROC;
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mib[2] = KERN_PROC_VMMAP;
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mib[3] = getpid();
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error = sysctl(mib, 4, NULL, &len, NULL, 0);
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if (error == -1)
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exit(EXIT_FAILURE);
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len = len * 4 / 3;
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buf = malloc(len);
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if (buf == NULL)
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exit(EXIT_FAILURE);
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error = sysctl(mib, 4, buf, &len, NULL, 0);
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if (error == -1)
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exit(EXIT_FAILURE);
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for (bp = buf, eb = buf + len; bp < eb; bp += kv->kve_structsize) {
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kv = (struct kinfo_vmentry *)(uintptr_t)bp;
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if (kv->kve_type == KVME_TYPE_VNODE &&
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(kv->kve_protection & KVME_PROT_EXEC) != 0) {
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fprintf(out, "0x%jx:%s ", kv->kve_start, kv->kve_path);
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}
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}
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fprintf(out, "\n");
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fclose(out);
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free(buf);
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}
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#else
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#error Port me
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#endif
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#ifdef __GNUC__
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int c(int x) NOINLINE ALIAS(b);
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#define compiler_barrier() asm volatile("");
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#else
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int c(int x);
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#define compiler_barrier()
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#endif
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int NOINLINE a(void)
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{
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*(volatile int *)32 = 1;
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return 1;
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}
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int NOINLINE b(int x)
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{
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int r;
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compiler_barrier();
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if (x)
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r = a();
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else
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r = c(1);
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return r + 1;
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}
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int
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main (int argc, char **argv)
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{
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if (argc > 1)
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write_maps(argv[1]);
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b(0);
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return 0;
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}
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