int zygote_clone(zygote_func_t *func, int flags, int *chanfdp, int *procfdp) { nvlist_t *nvl; int error; if (zygote_sock == -1) { /* Zygote didn't start. */ errno = ENXIO; return (-1); } nvl = nvlist_create(0); nvlist_add_number(nvl, "func", (uint64_t)(uintptr_t)func); nvlist_add_number(nvl, "flags", (uint64_t)flags); nvl = nvlist_xfer(zygote_sock, nvl); if (nvl == NULL) return (-1); if (nvlist_exists_number(nvl, "error")) { error = (int)nvlist_get_number(nvl, "error"); nvlist_destroy(nvl); errno = error; return (-1); } *chanfdp = nvlist_take_descriptor(nvl, "chanfd"); *procfdp = nvlist_take_descriptor(nvl, "procfd"); nvlist_destroy(nvl); return (0); }
static int group_unpack_members(const nvlist_t *nvl, char ***fieldp, char **bufferp, size_t *bufsizep) { const char *mem; char **outstrs, *str, nvlname[64]; size_t nmem, datasize, strsize; unsigned int ii; int n; if (!nvlist_exists_number(nvl, "gr_nmem")) { datasize = _ALIGNBYTES + sizeof(char *); if (datasize >= *bufsizep) return (ERANGE); outstrs = (char **)_ALIGN(*bufferp); outstrs[0] = NULL; *fieldp = outstrs; *bufferp += datasize; *bufsizep -= datasize; return (0); } nmem = (size_t)nvlist_get_number(nvl, "gr_nmem"); datasize = _ALIGNBYTES + sizeof(char *) * (nmem + 1); for (ii = 0; ii < nmem; ii++) { n = snprintf(nvlname, sizeof(nvlname), "gr_mem[%u]", ii); assert(n > 0 && n < (int)sizeof(nvlname)); mem = dnvlist_get_string(nvl, nvlname, NULL); if (mem == NULL) return (EINVAL); datasize += strlen(mem) + 1; } if (datasize >= *bufsizep) return (ERANGE); outstrs = (char **)_ALIGN(*bufferp); str = (char *)outstrs + sizeof(char *) * (nmem + 1); for (ii = 0; ii < nmem; ii++) { n = snprintf(nvlname, sizeof(nvlname), "gr_mem[%u]", ii); assert(n > 0 && n < (int)sizeof(nvlname)); mem = nvlist_get_string(nvl, nvlname); strsize = strlen(mem) + 1; memcpy(str, mem, strsize); outstrs[ii] = str; str += strsize; } assert(ii == nmem); outstrs[ii] = NULL; *fieldp = outstrs; *bufferp += datasize; *bufsizep -= datasize; return (0); }
static int pwd_getpwuid(const nvlist_t *limits, const nvlist_t *nvlin, nvlist_t *nvlout) { struct passwd *pwd; uid_t uid; if (!nvlist_exists_number(nvlin, "uid")) return (EINVAL); uid = (uid_t)nvlist_get_number(nvlin, "uid"); errno = 0; pwd = getpwuid(uid); if (errno != 0) return (errno); (void)pwd_pack(limits, pwd, nvlout); return (0); }
int main(void) { nvlist_t *nvl; printf("1..232\n"); nvl = nvlist_create(0); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/null")); CHECK(!nvlist_exists_number(nvl, "nvlist/null")); CHECK(!nvlist_exists_string(nvl, "nvlist/null")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/null")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/null")); CHECK(!nvlist_exists_binary(nvl, "nvlist/null")); nvlist_add_null(nvl, "nvlist/null"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/null")); CHECK(nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/null")); CHECK(!nvlist_exists_number(nvl, "nvlist/null")); CHECK(!nvlist_exists_string(nvl, "nvlist/null")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/null")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/null")); CHECK(!nvlist_exists_binary(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists_null(nvl, "nvlist/bool")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/bool")); CHECK(!nvlist_exists_string(nvl, "nvlist/bool")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/bool")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/bool")); CHECK(!nvlist_exists_binary(nvl, "nvlist/bool")); nvlist_add_bool(nvl, "nvlist/bool", true); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists_null(nvl, "nvlist/bool")); CHECK(nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/bool")); CHECK(!nvlist_exists_string(nvl, "nvlist/bool")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/bool")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/bool")); CHECK(!nvlist_exists_binary(nvl, "nvlist/bool")); CHECK(!nvlist_exists(nvl, "nvlist/number")); CHECK(!nvlist_exists_null(nvl, "nvlist/number")); CHECK(!nvlist_exists_bool(nvl, "nvlist/number")); CHECK(!nvlist_exists_number(nvl, "nvlist/number")); CHECK(!nvlist_exists_string(nvl, "nvlist/number")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/number")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/number")); CHECK(!nvlist_exists_binary(nvl, "nvlist/number")); nvlist_add_number(nvl, "nvlist/number", 0); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/number")); CHECK(!nvlist_exists_null(nvl, "nvlist/number")); CHECK(!nvlist_exists_bool(nvl, "nvlist/number")); CHECK(nvlist_exists_number(nvl, "nvlist/number")); CHECK(!nvlist_exists_string(nvl, "nvlist/number")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/number")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/number")); CHECK(!nvlist_exists_binary(nvl, "nvlist/number")); CHECK(!nvlist_exists(nvl, "nvlist/string")); CHECK(!nvlist_exists_null(nvl, "nvlist/string")); CHECK(!nvlist_exists_bool(nvl, "nvlist/string")); CHECK(!nvlist_exists_number(nvl, "nvlist/string")); CHECK(!nvlist_exists_string(nvl, "nvlist/string")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/string")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/string")); CHECK(!nvlist_exists_binary(nvl, "nvlist/string")); nvlist_add_string(nvl, "nvlist/string", "test"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/string")); CHECK(!nvlist_exists_null(nvl, "nvlist/string")); CHECK(!nvlist_exists_bool(nvl, "nvlist/string")); CHECK(!nvlist_exists_number(nvl, "nvlist/string")); CHECK(nvlist_exists_string(nvl, "nvlist/string")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/string")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/string")); CHECK(!nvlist_exists_binary(nvl, "nvlist/string")); CHECK(!nvlist_exists(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_null(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_bool(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_number(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_string(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_binary(nvl, "nvlist/nvlist")); nvlist_add_nvlist(nvl, "nvlist/nvlist", nvl); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_null(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_bool(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_number(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_string(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_binary(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_null(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_bool(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_number(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_string(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_binary(nvl, "nvlist/descriptor")); nvlist_add_descriptor(nvl, "nvlist/descriptor", STDERR_FILENO); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_null(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_bool(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_number(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_string(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_binary(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/binary")); CHECK(!nvlist_exists_bool(nvl, "nvlist/binary")); CHECK(!nvlist_exists_number(nvl, "nvlist/binary")); CHECK(!nvlist_exists_string(nvl, "nvlist/binary")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/binary")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/binary")); CHECK(!nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_add_binary(nvl, "nvlist/binary", "test", 4); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/binary")); CHECK(!nvlist_exists_bool(nvl, "nvlist/binary")); CHECK(!nvlist_exists_number(nvl, "nvlist/binary")); CHECK(!nvlist_exists_string(nvl, "nvlist/binary")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/binary")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/binary")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); CHECK(nvlist_exists(nvl, "nvlist/null")); CHECK(nvlist_exists(nvl, "nvlist/bool")); CHECK(nvlist_exists(nvl, "nvlist/number")); CHECK(nvlist_exists(nvl, "nvlist/string")); CHECK(nvlist_exists(nvl, "nvlist/nvlist")); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(nvlist_exists_null(nvl, "nvlist/null")); CHECK(nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(nvlist_exists_number(nvl, "nvlist/number")); CHECK(nvlist_exists_string(nvl, "nvlist/string")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_null(nvl, "nvlist/null"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(nvlist_exists(nvl, "nvlist/bool")); CHECK(nvlist_exists(nvl, "nvlist/number")); CHECK(nvlist_exists(nvl, "nvlist/string")); CHECK(nvlist_exists(nvl, "nvlist/nvlist")); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(nvlist_exists_number(nvl, "nvlist/number")); CHECK(nvlist_exists_string(nvl, "nvlist/string")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_bool(nvl, "nvlist/bool"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(nvlist_exists(nvl, "nvlist/number")); CHECK(nvlist_exists(nvl, "nvlist/string")); CHECK(nvlist_exists(nvl, "nvlist/nvlist")); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(nvlist_exists_number(nvl, "nvlist/number")); CHECK(nvlist_exists_string(nvl, "nvlist/string")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_number(nvl, "nvlist/number"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists(nvl, "nvlist/number")); CHECK(nvlist_exists(nvl, "nvlist/string")); CHECK(nvlist_exists(nvl, "nvlist/nvlist")); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/number")); CHECK(nvlist_exists_string(nvl, "nvlist/string")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_string(nvl, "nvlist/string"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists(nvl, "nvlist/number")); CHECK(!nvlist_exists(nvl, "nvlist/string")); CHECK(nvlist_exists(nvl, "nvlist/nvlist")); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/number")); CHECK(!nvlist_exists_string(nvl, "nvlist/string")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_nvlist(nvl, "nvlist/nvlist"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists(nvl, "nvlist/number")); CHECK(!nvlist_exists(nvl, "nvlist/string")); CHECK(!nvlist_exists(nvl, "nvlist/nvlist")); CHECK(nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/number")); CHECK(!nvlist_exists_string(nvl, "nvlist/string")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_descriptor(nvl, "nvlist/descriptor"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists(nvl, "nvlist/number")); CHECK(!nvlist_exists(nvl, "nvlist/string")); CHECK(!nvlist_exists(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists(nvl, "nvlist/descriptor")); CHECK(nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/number")); CHECK(!nvlist_exists_string(nvl, "nvlist/string")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary")); nvlist_free_binary(nvl, "nvlist/binary"); CHECK(!nvlist_exists(nvl, "nvlist/null")); CHECK(!nvlist_exists(nvl, "nvlist/bool")); CHECK(!nvlist_exists(nvl, "nvlist/number")); CHECK(!nvlist_exists(nvl, "nvlist/string")); CHECK(!nvlist_exists(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists(nvl, "nvlist/binary")); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool")); CHECK(!nvlist_exists_number(nvl, "nvlist/number")); CHECK(!nvlist_exists_string(nvl, "nvlist/string")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/descriptor")); CHECK(!nvlist_exists_binary(nvl, "nvlist/binary")); CHECK(nvlist_empty(nvl)); nvlist_destroy(nvl); return (0); }
int main(void) { const nvlist_t *cnvl; nvlist_t *nvl; printf("1..94\n"); nvl = nvlist_create(0); CHECK(!nvlist_exists_null(nvl, "nvlist/null")); nvlist_add_null(nvl, "nvlist/null"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_null(nvl, "nvlist/null")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool/true")); nvlist_add_bool(nvl, "nvlist/bool/true", true); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_bool(nvl, "nvlist/bool/true")); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool/false")); nvlist_add_bool(nvl, "nvlist/bool/false", false); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_bool(nvl, "nvlist/bool/false")); CHECK(!nvlist_exists_number(nvl, "nvlist/number/0")); nvlist_add_number(nvl, "nvlist/number/0", 0); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_number(nvl, "nvlist/number/0")); CHECK(!nvlist_exists_number(nvl, "nvlist/number/1")); nvlist_add_number(nvl, "nvlist/number/1", 1); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_number(nvl, "nvlist/number/1")); CHECK(!nvlist_exists_number(nvl, "nvlist/number/-1")); nvlist_add_number(nvl, "nvlist/number/-1", -1); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_number(nvl, "nvlist/number/-1")); CHECK(!nvlist_exists_number(nvl, "nvlist/number/UINT64_MAX")); nvlist_add_number(nvl, "nvlist/number/UINT64_MAX", UINT64_MAX); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_number(nvl, "nvlist/number/UINT64_MAX")); CHECK(!nvlist_exists_number(nvl, "nvlist/number/INT64_MIN")); nvlist_add_number(nvl, "nvlist/number/INT64_MIN", INT64_MIN); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_number(nvl, "nvlist/number/INT64_MIN")); CHECK(!nvlist_exists_number(nvl, "nvlist/number/INT64_MAX")); nvlist_add_number(nvl, "nvlist/number/INT64_MAX", INT64_MAX); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_number(nvl, "nvlist/number/INT64_MAX")); CHECK(!nvlist_exists_string(nvl, "nvlist/string/")); nvlist_add_string(nvl, "nvlist/string/", ""); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_string(nvl, "nvlist/string/")); CHECK(!nvlist_exists_string(nvl, "nvlist/string/x")); nvlist_add_string(nvl, "nvlist/string/x", "x"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_string(nvl, "nvlist/string/x")); CHECK(!nvlist_exists_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz")); nvlist_add_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz")); CHECK(!nvlist_exists_string(nvl, "nvlist/stringf/")); nvlist_add_stringf(nvl, "nvlist/stringf/", "%s", ""); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_string(nvl, "nvlist/stringf/")); CHECK(!nvlist_exists_string(nvl, "nvlist/stringf/x")); nvlist_add_stringf(nvl, "nvlist/stringf/x", "%s", "x"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_string(nvl, "nvlist/stringf/x")); CHECK(!nvlist_exists_string(nvl, "nvlist/stringf/666Xabc")); nvlist_add_stringf(nvl, "nvlist/stringf/666Xabc", "%d%c%s", 666, 'X', "abc"); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_string(nvl, "nvlist/stringf/666Xabc")); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO")); nvlist_add_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO", STDERR_FILENO); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO")); CHECK(!nvlist_exists_binary(nvl, "nvlist/binary/x")); nvlist_add_binary(nvl, "nvlist/binary/x", "x", 1); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_binary(nvl, "nvlist/binary/x")); CHECK(!nvlist_exists_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz")); nvlist_add_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/nvlist")); nvlist_add_nvlist(nvl, "nvlist/nvlist", nvl); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); CHECK(nvlist_exists_null(nvl, "nvlist/null")); CHECK(nvlist_exists_bool(nvl, "nvlist/bool/true")); CHECK(nvlist_exists_bool(nvl, "nvlist/bool/false")); CHECK(nvlist_exists_number(nvl, "nvlist/number/0")); CHECK(nvlist_exists_number(nvl, "nvlist/number/1")); CHECK(nvlist_exists_number(nvl, "nvlist/number/-1")); CHECK(nvlist_exists_number(nvl, "nvlist/number/UINT64_MAX")); CHECK(nvlist_exists_number(nvl, "nvlist/number/INT64_MIN")); CHECK(nvlist_exists_number(nvl, "nvlist/number/INT64_MAX")); CHECK(nvlist_exists_string(nvl, "nvlist/string/")); CHECK(nvlist_exists_string(nvl, "nvlist/string/x")); CHECK(nvlist_exists_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz")); CHECK(nvlist_exists_string(nvl, "nvlist/stringf/")); CHECK(nvlist_exists_string(nvl, "nvlist/stringf/x")); CHECK(nvlist_exists_string(nvl, "nvlist/stringf/666Xabc")); CHECK(nvlist_exists_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary/x")); CHECK(nvlist_exists_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz")); CHECK(nvlist_exists_nvlist(nvl, "nvlist/nvlist")); cnvl = nvlist_get_nvlist(nvl, "nvlist/nvlist"); CHECK(nvlist_exists_null(cnvl, "nvlist/null")); CHECK(nvlist_exists_bool(cnvl, "nvlist/bool/true")); CHECK(nvlist_exists_bool(cnvl, "nvlist/bool/false")); CHECK(nvlist_exists_number(cnvl, "nvlist/number/0")); CHECK(nvlist_exists_number(cnvl, "nvlist/number/1")); CHECK(nvlist_exists_number(cnvl, "nvlist/number/-1")); CHECK(nvlist_exists_number(cnvl, "nvlist/number/UINT64_MAX")); CHECK(nvlist_exists_number(cnvl, "nvlist/number/INT64_MIN")); CHECK(nvlist_exists_number(cnvl, "nvlist/number/INT64_MAX")); CHECK(nvlist_exists_string(cnvl, "nvlist/string/")); CHECK(nvlist_exists_string(cnvl, "nvlist/string/x")); CHECK(nvlist_exists_string(cnvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz")); CHECK(nvlist_exists_string(cnvl, "nvlist/stringf/")); CHECK(nvlist_exists_string(cnvl, "nvlist/stringf/x")); CHECK(nvlist_exists_string(cnvl, "nvlist/stringf/666Xabc")); CHECK(nvlist_exists_descriptor(cnvl, "nvlist/descriptor/STDERR_FILENO")); CHECK(nvlist_exists_binary(cnvl, "nvlist/binary/x")); CHECK(nvlist_exists_binary(cnvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz")); nvlist_destroy(nvl); return (0); }
static int sysctl_command(const char *cmd, const nvlist_t *limits, nvlist_t *nvlin, nvlist_t *nvlout) { const char *name; const void *newp; void *oldp; uint64_t operation; size_t oldlen, newlen; size_t *oldlenp; int error; if (strcmp(cmd, "sysctl") != 0) return (EINVAL); error = sysctl_check_one(nvlin, false); if (error != 0) return (error); name = nvlist_get_string(nvlin, "name"); operation = nvlist_get_number(nvlin, "operation"); if (!sysctl_allowed(limits, name, operation)) return (ENOTCAPABLE); if ((operation & CAP_SYSCTL_WRITE) != 0) { if (!nvlist_exists_binary(nvlin, "newp")) return (EINVAL); newp = nvlist_get_binary(nvlin, "newp", &newlen); assert(newp != NULL && newlen > 0); } else { newp = NULL; newlen = 0; } if ((operation & CAP_SYSCTL_READ) != 0) { if (nvlist_exists_null(nvlin, "justsize")) { oldp = NULL; oldlen = 0; oldlenp = &oldlen; } else { if (!nvlist_exists_number(nvlin, "oldlen")) return (EINVAL); oldlen = (size_t)nvlist_get_number(nvlin, "oldlen"); if (oldlen == 0) return (EINVAL); oldp = calloc(1, oldlen); if (oldp == NULL) return (ENOMEM); oldlenp = &oldlen; } } else { oldp = NULL; oldlen = 0; oldlenp = NULL; } if (sysctlbyname(name, oldp, oldlenp, newp, newlen) == -1) { error = errno; free(oldp); return (error); } if ((operation & CAP_SYSCTL_READ) != 0) { if (nvlist_exists_null(nvlin, "justsize")) nvlist_add_number(nvlout, "oldlen", (uint64_t)oldlen); else nvlist_move_binary(nvlout, "oldp", oldp, oldlen); } return (0); }
static int u_sysctl_do_sysctl(struct nvlist *nvl, int ns, void *oldp, size_t *oldlenp, const void *newp, size_t newlen) { nvlist_t *nvl_resp = NULL; int retval = 0; int r_errno; const char *rbuf; size_t r_len; /* XXX Eventually this should be in a sysctl transaction struct */ int shm_fd = -1; char *shm_mem = NULL; size_t shm_len = 0; char shm_path[128]; /* Setup request and response buffer information */ /* * If the requested size is provided and it's greater than the * maximum size allowed, we'll flip to using shm */ if (oldlenp != NULL && *oldlenp >= U_SYSCTL_MAX_REQ_BUF_LEN) { /* Construct a shm path */ /* XXX should make this less guessable */ snprintf(shm_path, 128, "/sysctl.%ld", (long) arc4random()); /* Open it */ shm_fd = shm_open(shm_path, O_CREAT | O_RDWR, 0640); if (shm_fd < 0) { warn("shm_open (%s)", shm_path); retval = -1; goto done; } /* * Calculate a mmap size that's a multiple of * the system page length. */ shm_len = round_page(*oldlenp); /* make it that big! */ if (ftruncate(shm_fd, shm_len) < 0) { warn("ftruncate"); goto done; } /* mmap it */ shm_mem = mmap(NULL, shm_len, PROT_READ | PROT_WRITE, 0, shm_fd, 0); if (shm_mem == NULL) { warn("mmap"); goto done; } /* add the shm path to the outbound request */ nvlist_add_string(nvl, "sysctl_respbuf_shm_path", shm_path); nvlist_add_number(nvl, "sysctl_respbuf_shm_len", shm_len); } /* * Writing a value may pass in a NULL oldlenp, so only conditionally * send it. */ if (oldlenp != NULL) nvlist_add_number(nvl, "sysctl_respbuf_len", *oldlenp); if (newlen > 0) { nvlist_add_binary(nvl, "sysctl_reqbuf", newp, newlen); } /* Send command */ if (nvlist_send(ns, nvl) < 0) { warn("nvlist_send"); retval = -1; goto done; } /* Read response */ nvl_resp = nvlist_recv(ns); if (nvl_resp == NULL) { warn("nvlist_recv"); retval = -1; goto done; } if (! nvlist_exists_number(nvl_resp, "sysctl_errno")) { fprintf(stderr, "response: no errno?\n"); goto done; } r_errno = (int) nvlist_get_number(nvl_resp, "sysctl_errno"); /* XXX validate r_len versus oldlenp */ if (nvlist_exists_binary(nvl_resp, "sysctl_respbuf")) { rbuf = nvlist_get_binary(nvl_resp, "sysctl_respbuf", &r_len); memcpy(oldp, rbuf, r_len); } else if (shm_mem != NULL) { memcpy(oldp, shm_mem, r_len); r_len = nvlist_get_number(nvl_resp, "sysctl_respbuf_shm_len"); } else if (nvlist_exists_number(nvl_resp, "sysctl_respbuf_len")) { r_len = nvlist_get_number(nvl_resp, "sysctl_respbuf_len"); } else { r_len = 0; } if (oldlenp != NULL) *oldlenp = r_len; if (r_errno == 0) { retval = 0; } else { retval = -1; errno = r_errno; } done: if (shm_mem != NULL) munmap(shm_mem, shm_len); if (shm_fd != -1) { close(shm_fd); shm_unlink(shm_path); } if (nvl_resp) nvlist_destroy(nvl_resp); return (retval); }
int main(void) { const nvlist_t *cnvl; nvlist_t *nvl; size_t size; printf("1..83\n"); nvl = nvlist_create(0); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool/true")); nvlist_add_bool(nvl, "nvlist/bool/true", true); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_get_bool(nvl, "nvlist/bool/true") == true); CHECK(!nvlist_exists_bool(nvl, "nvlist/bool/false")); nvlist_add_bool(nvl, "nvlist/bool/false", false); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_get_bool(nvl, "nvlist/bool/false") == false); CHECK(!nvlist_exists_number(nvl, "nvlist/number/0")); nvlist_add_number(nvl, "nvlist/number/0", 0); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_get_number(nvl, "nvlist/number/0") == 0); CHECK(!nvlist_exists_number(nvl, "nvlist/number/1")); nvlist_add_number(nvl, "nvlist/number/1", 1); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_get_number(nvl, "nvlist/number/1") == 1); CHECK(!nvlist_exists_number(nvl, "nvlist/number/-1")); nvlist_add_number(nvl, "nvlist/number/-1", -1); CHECK(nvlist_error(nvl) == 0); CHECK((int)nvlist_get_number(nvl, "nvlist/number/-1") == -1); CHECK(!nvlist_exists_number(nvl, "nvlist/number/UINT64_MAX")); nvlist_add_number(nvl, "nvlist/number/UINT64_MAX", UINT64_MAX); CHECK(nvlist_error(nvl) == 0); CHECK(nvlist_get_number(nvl, "nvlist/number/UINT64_MAX") == UINT64_MAX); CHECK(!nvlist_exists_number(nvl, "nvlist/number/INT64_MIN")); nvlist_add_number(nvl, "nvlist/number/INT64_MIN", INT64_MIN); CHECK(nvlist_error(nvl) == 0); CHECK((int64_t)nvlist_get_number(nvl, "nvlist/number/INT64_MIN") == INT64_MIN); CHECK(!nvlist_exists_number(nvl, "nvlist/number/INT64_MAX")); nvlist_add_number(nvl, "nvlist/number/INT64_MAX", INT64_MAX); CHECK(nvlist_error(nvl) == 0); CHECK((int64_t)nvlist_get_number(nvl, "nvlist/number/INT64_MAX") == INT64_MAX); CHECK(!nvlist_exists_string(nvl, "nvlist/string/")); nvlist_add_string(nvl, "nvlist/string/", ""); CHECK(nvlist_error(nvl) == 0); CHECK(strcmp(nvlist_get_string(nvl, "nvlist/string/"), "") == 0); CHECK(!nvlist_exists_string(nvl, "nvlist/string/x")); nvlist_add_string(nvl, "nvlist/string/x", "x"); CHECK(nvlist_error(nvl) == 0); CHECK(strcmp(nvlist_get_string(nvl, "nvlist/string/x"), "x") == 0); CHECK(!nvlist_exists_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz")); nvlist_add_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz"); CHECK(nvlist_error(nvl) == 0); CHECK(strcmp(nvlist_get_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz"), "abcdefghijklmnopqrstuvwxyz") == 0); CHECK(!nvlist_exists_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO")); nvlist_add_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO", STDERR_FILENO); CHECK(nvlist_error(nvl) == 0); CHECK(fd_is_valid(nvlist_get_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO"))); CHECK(!nvlist_exists_binary(nvl, "nvlist/binary/x")); nvlist_add_binary(nvl, "nvlist/binary/x", "x", 1); CHECK(nvlist_error(nvl) == 0); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/x", NULL), "x", 1) == 0); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/x", &size), "x", 1) == 0); CHECK(size == 1); CHECK(!nvlist_exists_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz")); nvlist_add_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")); CHECK(nvlist_error(nvl) == 0); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", NULL), "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")) == 0); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", &size), "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")) == 0); CHECK(size == sizeof("abcdefghijklmnopqrstuvwxyz")); CHECK(!nvlist_exists_nvlist(nvl, "nvlist/nvlist")); nvlist_add_nvlist(nvl, "nvlist/nvlist", nvl); CHECK(nvlist_error(nvl) == 0); cnvl = nvlist_get_nvlist(nvl, "nvlist/nvlist"); CHECK(nvlist_get_bool(cnvl, "nvlist/bool/true") == true); CHECK(nvlist_get_bool(cnvl, "nvlist/bool/false") == false); CHECK(nvlist_get_number(cnvl, "nvlist/number/0") == 0); CHECK(nvlist_get_number(cnvl, "nvlist/number/1") == 1); CHECK((int)nvlist_get_number(cnvl, "nvlist/number/-1") == -1); CHECK(nvlist_get_number(cnvl, "nvlist/number/UINT64_MAX") == UINT64_MAX); CHECK((int64_t)nvlist_get_number(cnvl, "nvlist/number/INT64_MIN") == INT64_MIN); CHECK((int64_t)nvlist_get_number(cnvl, "nvlist/number/INT64_MAX") == INT64_MAX); CHECK(strcmp(nvlist_get_string(cnvl, "nvlist/string/"), "") == 0); CHECK(strcmp(nvlist_get_string(cnvl, "nvlist/string/x"), "x") == 0); CHECK(strcmp(nvlist_get_string(cnvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz"), "abcdefghijklmnopqrstuvwxyz") == 0); /* TODO */ CHECK(memcmp(nvlist_get_binary(cnvl, "nvlist/binary/x", NULL), "x", 1) == 0); CHECK(memcmp(nvlist_get_binary(cnvl, "nvlist/binary/x", &size), "x", 1) == 0); CHECK(size == 1); CHECK(memcmp(nvlist_get_binary(cnvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", NULL), "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")) == 0); CHECK(memcmp(nvlist_get_binary(cnvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", &size), "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")) == 0); CHECK(size == sizeof("abcdefghijklmnopqrstuvwxyz")); CHECK(nvlist_get_bool(nvl, "nvlist/bool/true") == true); CHECK(nvlist_get_bool(nvl, "nvlist/bool/false") == false); CHECK(nvlist_get_number(nvl, "nvlist/number/0") == 0); CHECK(nvlist_get_number(nvl, "nvlist/number/1") == 1); CHECK((int)nvlist_get_number(nvl, "nvlist/number/-1") == -1); CHECK(nvlist_get_number(nvl, "nvlist/number/UINT64_MAX") == UINT64_MAX); CHECK((int64_t)nvlist_get_number(nvl, "nvlist/number/INT64_MIN") == INT64_MIN); CHECK((int64_t)nvlist_get_number(nvl, "nvlist/number/INT64_MAX") == INT64_MAX); CHECK(strcmp(nvlist_get_string(nvl, "nvlist/string/"), "") == 0); CHECK(strcmp(nvlist_get_string(nvl, "nvlist/string/x"), "x") == 0); CHECK(strcmp(nvlist_get_string(nvl, "nvlist/string/abcdefghijklmnopqrstuvwxyz"), "abcdefghijklmnopqrstuvwxyz") == 0); CHECK(fd_is_valid(nvlist_get_descriptor(nvl, "nvlist/descriptor/STDERR_FILENO"))); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/x", NULL), "x", 1) == 0); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/x", &size), "x", 1) == 0); CHECK(size == 1); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", NULL), "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")) == 0); CHECK(memcmp(nvlist_get_binary(nvl, "nvlist/binary/abcdefghijklmnopqrstuvwxyz", &size), "abcdefghijklmnopqrstuvwxyz", sizeof("abcdefghijklmnopqrstuvwxyz")) == 0); CHECK(size == sizeof("abcdefghijklmnopqrstuvwxyz")); nvlist_destroy(nvl); return (0); }