int main(int argc, char *argv[])
{
int rc;
struct util_options opts;
scmp_filter_ctx ctx = NULL;
rc = util_getopt(argc, argv, &opts);
if (rc < 0)
goto out;
ctx = seccomp_init(SCMP_ACT_KILL);
if (ctx == NULL)
return ENOMEM;
/* the syscall and argument numbers are all fake to make the test
* simpler */
rc = seccomp_syscall_priority(ctx, 1000, 3);
if (rc != 0)
goto out;
rc = seccomp_syscall_priority(ctx, 1001, 2);
if (rc != 0)
goto out;
rc = seccomp_syscall_priority(ctx, 1002, 1);
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1000, 2,
SCMP_A0(SCMP_CMP_EQ, 0),
SCMP_A1(SCMP_CMP_EQ, 1));
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1001, 1,
SCMP_A0(SCMP_CMP_EQ, 0));
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1002, 0);
if (rc != 0)
goto out;
rc = util_filter_output(&opts, ctx);
if (rc)
goto out;
out:
seccomp_release(ctx);
return (rc < 0 ? -rc : rc);
}
bool do_resolve_add_rule(uint32_t arch, char *line, scmp_filter_ctx ctx,
uint32_t action)
{
int nr, ret;
ret = seccomp_arch_exist(ctx, arch);
if (arch && ret != 0) {
ERROR("BUG: Seccomp: rule and context arch do not match (arch "
"%d): %s.",
arch, strerror(-ret));
return false;
}
if (strncmp(line, "reject_force_umount", 19) == 0) {
INFO("Setting Seccomp rule to reject force umounts.");
ret = seccomp_rule_add_exact(ctx, SCMP_ACT_ERRNO(EACCES), SCMP_SYS(umount2),
1, SCMP_A1(SCMP_CMP_MASKED_EQ , MNT_FORCE , MNT_FORCE ));
if (ret < 0) {
ERROR("Failed (%d) loading rule to reject force "
"umount: %s.",
ret, strerror(-ret));
return false;
}
return true;
}
nr = seccomp_syscall_resolve_name(line);
if (nr == __NR_SCMP_ERROR) {
WARN("Seccomp: failed to resolve syscall: %s.", line);
WARN("This syscall will NOT be blacklisted.");
return true;
}
if (nr < 0) {
WARN("Seccomp: got negative for syscall: %d: %s.", nr, line);
WARN("This syscall will NOT be blacklisted.");
return true;
}
ret = seccomp_rule_add_exact(ctx, action, nr, 0);
if (ret < 0) {
ERROR("Failed (%d) loading rule for %s (nr %d action %d): %s.",
ret, line, nr, action, strerror(-ret));
return false;
}
return true;
}
int main(int argc, char *argv[])
{
int rc;
struct util_options opts;
scmp_filter_ctx ctx = NULL;
rc = util_getopt(argc, argv, &opts);
if (rc < 0)
goto out;
ctx = seccomp_init(SCMP_ACT_KILL);
if (ctx == NULL)
return ENOMEM;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx,
SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0);
if (rc != 0)
goto out;
rc = util_filter_output(&opts, ctx);
if (rc)
goto out;
out:
seccomp_release(ctx);
return (rc < 0 ? -rc : rc);
}
int main(int argc, char *argv[])
{
int rc;
struct util_options opts;
scmp_filter_ctx ctx = NULL;
rc = util_getopt(argc, argv, &opts);
if (rc < 0)
goto out;
ctx = seccomp_init(SCMP_ACT_KILL);
if (ctx == NULL)
return ENOMEM;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_X86);
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(tuxcall), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(tuxcall), 0);
if (rc != -EDOM)
goto out;
rc = util_filter_output(&opts, ctx);
if (rc)
goto out;
out:
seccomp_release(ctx);
return (rc < 0 ? -rc : rc);
}
int main(int argc, char *argv[])
{
char *filename = read_opts(argc, argv);
/* set up an rnn context */
rnn_init();
rnndb = rnn_newdb();
rnn_parsefile(rnndb, "fifo/nv_objects.xml");
if (rnndb->estatus)
demmt_abort();
rnn_prepdb(rnndb);
domain = rnn_finddomain(rnndb, "SUBCHAN");
if (!domain)
demmt_abort();
rnndb_g80_texture = rnn_newdb();
rnn_parsefile(rnndb_g80_texture, "graph/g80_texture.xml");
if (rnndb_g80_texture->estatus)
demmt_abort();
rnn_parsefile(rnndb_g80_texture, "graph/gm107_texture.xml");
if (rnndb_g80_texture->estatus)
demmt_abort();
rnn_prepdb(rnndb_g80_texture);
rnndb_gf100_shaders = rnn_newdb();
rnn_parsefile(rnndb_gf100_shaders, "graph/gf100_shaders.xml");
if (rnndb_gf100_shaders->estatus)
demmt_abort();
rnn_prepdb(rnndb_gf100_shaders);
gf100_shaders_ctx = rnndec_newcontext(rnndb_gf100_shaders);
gf100_shaders_ctx->colors = colors;
/* doesn't matter which, just needs to exist to make it
* possible to modify later.
*/
rnndec_varadd(gf100_shaders_ctx, "GF100_SHADER_KIND", "FP");
rnndb_nvrm_object = rnn_newdb();
rnn_parsefile(rnndb_nvrm_object, "../docs/nvrm/rnndb/nvrm_object.xml");
if (rnndb_nvrm_object->estatus)
demmt_abort();
rnn_prepdb(rnndb_nvrm_object);
tic_domain = rnn_finddomain(rnndb_g80_texture, "TIC");
tic2_domain = rnn_finddomain(rnndb_g80_texture, "TIC2");
tsc_domain = rnn_finddomain(rnndb_g80_texture, "TSC");
gf100_sp_header_domain = rnn_finddomain(rnndb_gf100_shaders, "GF100_SP_HEADER");
gf100_fp_header_domain = rnn_finddomain(rnndb_gf100_shaders, "GF100_FP_HEADER");
if (!gf100_sp_header_domain || !gf100_fp_header_domain)
demmt_abort();
gk104_cp_header_domain = rnn_finddomain(rnndb, "GK104_COMPUTE_LAUNCH_DESC");
if (!gk104_cp_header_domain)
demmt_abort();
if (filename)
{
close(0);
if (open_input(filename) == NULL)
{
perror("open");
exit(1);
}
free(filename);
}
if (pager_enabled)
{
int pipe_fds[2];
pid_t pid;
if (pipe(pipe_fds) < 0)
{
perror("pipe");
demmt_abort();
}
pid = fork();
if (pid < 0)
{
perror("fork");
demmt_abort();
}
if (pid > 0)
{
char *less_argv[] = { "less", "-ScR", NULL };
close(pipe_fds[1]);
dup2(pipe_fds[0], 0);
close(pipe_fds[0]);
execvp(less_argv[0], less_argv);
perror("exec");
demmt_abort();
}
close(pipe_fds[0]);
dup2(pipe_fds[1], 1);
dup2(pipe_fds[1], 2);
close(pipe_fds[1]);
}
#ifdef LIBSECCOMP_AVAILABLE
if (seccomp_level)
{
int rc;
scmp_filter_ctx ctx;
if (seccomp_level == 2)
ctx = seccomp_init(SCMP_ACT_KILL);
else
ctx = seccomp_init(SCMP_ACT_TRACE(1234));
if (!ctx)
{
fprintf(stderr, "seccomp_init failed\n");
exit(1);
}
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1,
SCMP_A0(SCMP_CMP_EQ, 0));
if (rc != 0)
exit(1);
seccomp_syscall_priority(ctx, SCMP_SYS(read), 254);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1,
SCMP_A0(SCMP_CMP_LE, 2));
if (rc != 0)
exit(1);
seccomp_syscall_priority(ctx, SCMP_SYS(write), 255);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0);
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(fstat), 1,
SCMP_A0(SCMP_CMP_EQ, 1));
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(mmap), 0);
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(brk), 0);
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(munmap), 0);
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(mremap), 0);
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(exit_group), 0);
if (rc != 0)
exit(1);
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(ioctl), 2,
SCMP_A0(SCMP_CMP_EQ, 1),
SCMP_A1(SCMP_CMP_EQ, 0x5401/*TCGETS*/));
if (rc != 0)
exit(1);
rc = seccomp_load(ctx);
if (rc != 0)
{
fprintf(stderr, "seccomp_load failed with error: %d\n", rc);
exit(1);
}
seccomp_release(ctx);
}
#endif
mmt_decode(&demmt_funcs.base, NULL);
fflush(stdout);
fini_macrodis();
demmt_cleanup_isas();
rnndec_freecontext(gf100_shaders_ctx);
rnn_freedb(rnndb);
rnn_freedb(rnndb_g80_texture);
rnn_freedb(rnndb_gf100_shaders);
rnn_freedb(rnndb_nvrm_object);
rnn_fini();
return 0;
}
