diff options
Diffstat (limited to 'lib/libnv/nvpair.c')
| -rw-r--r-- | lib/libnv/nvpair.c | 1282 |
1 files changed, 0 insertions, 1282 deletions
diff --git a/lib/libnv/nvpair.c b/lib/libnv/nvpair.c deleted file mode 100644 index 4f0bd72..0000000 --- a/lib/libnv/nvpair.c +++ /dev/null @@ -1,1282 +0,0 @@ -/*- - * Copyright (c) 2009-2013 The FreeBSD Foundation - * All rights reserved. - * - * This software was developed by Pawel Jakub Dawidek under sponsorship from - * the FreeBSD Foundation. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/endian.h> -#include <sys/queue.h> - -#include <errno.h> -#include <fcntl.h> -#include <stdarg.h> -#include <stdbool.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#ifdef HAVE_PJDLOG -#include <pjdlog.h> -#endif - -#include "common_impl.h" -#include "nv.h" -#include "nv_impl.h" -#include "nvlist_impl.h" -#include "nvpair_impl.h" - -#ifndef HAVE_PJDLOG -#include <assert.h> -#define PJDLOG_ASSERT(...) assert(__VA_ARGS__) -#define PJDLOG_RASSERT(expr, ...) assert(expr) -#define PJDLOG_ABORT(...) abort() -#endif - -#define NVPAIR_MAGIC 0x6e7670 /* "nvp" */ -struct nvpair { - int nvp_magic; - char *nvp_name; - int nvp_type; - uint64_t nvp_data; - size_t nvp_datasize; - nvlist_t *nvp_list; - TAILQ_ENTRY(nvpair) nvp_next; -}; - -#define NVPAIR_ASSERT(nvp) do { \ - PJDLOG_ASSERT((nvp) != NULL); \ - PJDLOG_ASSERT((nvp)->nvp_magic == NVPAIR_MAGIC); \ -} while (0) - -struct nvpair_header { - uint8_t nvph_type; - uint16_t nvph_namesize; - uint64_t nvph_datasize; -} __packed; - - -void -nvpair_assert(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); -} - -nvlist_t * -nvpair_nvlist(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - return (nvp->nvp_list); -} - -nvpair_t * -nvpair_next(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_list != NULL); - - return (TAILQ_NEXT(nvp, nvp_next)); -} - -nvpair_t * -nvpair_prev(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_list != NULL); - - return (TAILQ_PREV(nvp, nvl_head, nvp_next)); -} - -void -nvpair_insert(struct nvl_head *head, nvpair_t *nvp, nvlist_t *nvl) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_list == NULL); - PJDLOG_ASSERT(!nvlist_exists(nvl, nvpair_name(nvp))); - - TAILQ_INSERT_TAIL(head, nvp, nvp_next); - nvp->nvp_list = nvl; -} - -static void -nvpair_remove_nvlist(nvpair_t *nvp) -{ - nvlist_t *nvl; - - /* XXX: DECONST is bad, mkay? */ - nvl = __DECONST(nvlist_t *, nvpair_get_nvlist(nvp)); - PJDLOG_ASSERT(nvl != NULL); - nvlist_set_parent(nvl, NULL); -} - -void -nvpair_remove(struct nvl_head *head, nvpair_t *nvp, const nvlist_t *nvl) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_list == nvl); - - if (nvpair_type(nvp) == NV_TYPE_NVLIST) - nvpair_remove_nvlist(nvp); - - TAILQ_REMOVE(head, nvp, nvp_next); - nvp->nvp_list = NULL; -} - -nvpair_t * -nvpair_clone(const nvpair_t *nvp) -{ - nvpair_t *newnvp; - const char *name; - const void *data; - size_t datasize; - - NVPAIR_ASSERT(nvp); - - name = nvpair_name(nvp); - - switch (nvpair_type(nvp)) { - case NV_TYPE_NULL: - newnvp = nvpair_create_null(name); - break; - case NV_TYPE_BOOL: - newnvp = nvpair_create_bool(name, nvpair_get_bool(nvp)); - break; - case NV_TYPE_NUMBER: - newnvp = nvpair_create_number(name, nvpair_get_number(nvp)); - break; - case NV_TYPE_STRING: - newnvp = nvpair_create_string(name, nvpair_get_string(nvp)); - break; - case NV_TYPE_NVLIST: - newnvp = nvpair_create_nvlist(name, nvpair_get_nvlist(nvp)); - break; - case NV_TYPE_DESCRIPTOR: - newnvp = nvpair_create_descriptor(name, - nvpair_get_descriptor(nvp)); - break; - case NV_TYPE_BINARY: - data = nvpair_get_binary(nvp, &datasize); - newnvp = nvpair_create_binary(name, data, datasize); - break; - default: - PJDLOG_ABORT("Unknown type: %d.", nvpair_type(nvp)); - } - - return (newnvp); -} - -size_t -nvpair_header_size(void) -{ - - return (sizeof(struct nvpair_header)); -} - -size_t -nvpair_size(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - return (nvp->nvp_datasize); -} - -unsigned char * -nvpair_pack_header(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp) -{ - struct nvpair_header nvphdr; - size_t namesize; - - NVPAIR_ASSERT(nvp); - - nvphdr.nvph_type = nvp->nvp_type; - namesize = strlen(nvp->nvp_name) + 1; - PJDLOG_ASSERT(namesize > 0 && namesize <= UINT16_MAX); - nvphdr.nvph_namesize = namesize; - nvphdr.nvph_datasize = nvp->nvp_datasize; - PJDLOG_ASSERT(*leftp >= sizeof(nvphdr)); - memcpy(ptr, &nvphdr, sizeof(nvphdr)); - ptr += sizeof(nvphdr); - *leftp -= sizeof(nvphdr); - - PJDLOG_ASSERT(*leftp >= namesize); - memcpy(ptr, nvp->nvp_name, namesize); - ptr += namesize; - *leftp -= namesize; - - return (ptr); -} - -unsigned char * -nvpair_pack_null(const nvpair_t *nvp, unsigned char *ptr, - size_t *leftp __unused) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NULL); - - return (ptr); -} - -unsigned char * -nvpair_pack_bool(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp) -{ - uint8_t value; - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BOOL); - - value = (uint8_t)nvp->nvp_data; - - PJDLOG_ASSERT(*leftp >= sizeof(value)); - memcpy(ptr, &value, sizeof(value)); - ptr += sizeof(value); - *leftp -= sizeof(value); - - return (ptr); -} - -unsigned char * -nvpair_pack_number(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp) -{ - uint64_t value; - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NUMBER); - - value = (uint64_t)nvp->nvp_data; - - PJDLOG_ASSERT(*leftp >= sizeof(value)); - memcpy(ptr, &value, sizeof(value)); - ptr += sizeof(value); - *leftp -= sizeof(value); - - return (ptr); -} - -unsigned char * -nvpair_pack_string(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_STRING); - - PJDLOG_ASSERT(*leftp >= nvp->nvp_datasize); - memcpy(ptr, (const void *)(intptr_t)nvp->nvp_data, nvp->nvp_datasize); - ptr += nvp->nvp_datasize; - *leftp -= nvp->nvp_datasize; - - return (ptr); -} - -unsigned char * -nvpair_pack_nvlist_up(unsigned char *ptr, size_t *leftp) -{ - struct nvpair_header nvphdr; - size_t namesize; - const char *name = ""; - - namesize = 1; - nvphdr.nvph_type = NV_TYPE_NVLIST_UP; - nvphdr.nvph_namesize = namesize; - nvphdr.nvph_datasize = 0; - PJDLOG_ASSERT(*leftp >= sizeof(nvphdr)); - memcpy(ptr, &nvphdr, sizeof(nvphdr)); - ptr += sizeof(nvphdr); - *leftp -= sizeof(nvphdr); - - PJDLOG_ASSERT(*leftp >= namesize); - memcpy(ptr, name, namesize); - ptr += namesize; - *leftp -= namesize; - - return (ptr); -} - -unsigned char * -nvpair_pack_descriptor(const nvpair_t *nvp, unsigned char *ptr, int64_t *fdidxp, - size_t *leftp) -{ - int64_t value; - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_DESCRIPTOR); - - value = (int64_t)nvp->nvp_data; - if (value != -1) { - /* - * If there is a real descriptor here, we change its number - * to position in the array of descriptors send via control - * message. - */ - PJDLOG_ASSERT(fdidxp != NULL); - - value = *fdidxp; - (*fdidxp)++; - } - - PJDLOG_ASSERT(*leftp >= sizeof(value)); - memcpy(ptr, &value, sizeof(value)); - ptr += sizeof(value); - *leftp -= sizeof(value); - - return (ptr); -} - -unsigned char * -nvpair_pack_binary(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BINARY); - - PJDLOG_ASSERT(*leftp >= nvp->nvp_datasize); - memcpy(ptr, (const void *)(intptr_t)nvp->nvp_data, nvp->nvp_datasize); - ptr += nvp->nvp_datasize; - *leftp -= nvp->nvp_datasize; - - return (ptr); -} - -void -nvpair_init_datasize(nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - if (nvp->nvp_type == NV_TYPE_NVLIST) { - if (nvp->nvp_data == 0) { - nvp->nvp_datasize = 0; - } else { - nvp->nvp_datasize = - nvlist_size((const nvlist_t *)(intptr_t)nvp->nvp_data); - } - } -} - -const unsigned char * -nvpair_unpack_header(bool isbe, nvpair_t *nvp, const unsigned char *ptr, - size_t *leftp) -{ - struct nvpair_header nvphdr; - - if (*leftp < sizeof(nvphdr)) - goto failed; - - memcpy(&nvphdr, ptr, sizeof(nvphdr)); - ptr += sizeof(nvphdr); - *leftp -= sizeof(nvphdr); - -#if NV_TYPE_FIRST > 0 - if (nvphdr.nvph_type < NV_TYPE_FIRST) - goto failed; -#endif - if (nvphdr.nvph_type > NV_TYPE_LAST && - nvphdr.nvph_type != NV_TYPE_NVLIST_UP) { - goto failed; - } - -#if BYTE_ORDER == BIG_ENDIAN - if (!isbe) { - nvphdr.nvph_namesize = le16toh(nvphdr.nvph_namesize); - nvphdr.nvph_datasize = le64toh(nvphdr.nvph_datasize); - } -#else - if (isbe) { - nvphdr.nvph_namesize = be16toh(nvphdr.nvph_namesize); - nvphdr.nvph_datasize = be64toh(nvphdr.nvph_datasize); - } -#endif - - if (nvphdr.nvph_namesize > NV_NAME_MAX) - goto failed; - if (*leftp < nvphdr.nvph_namesize) - goto failed; - if (nvphdr.nvph_namesize < 1) - goto failed; - if (strnlen((const char *)ptr, nvphdr.nvph_namesize) != - (size_t)(nvphdr.nvph_namesize - 1)) { - goto failed; - } - - memcpy(nvp->nvp_name, ptr, nvphdr.nvph_namesize); - ptr += nvphdr.nvph_namesize; - *leftp -= nvphdr.nvph_namesize; - - if (*leftp < nvphdr.nvph_datasize) - goto failed; - - nvp->nvp_type = nvphdr.nvph_type; - nvp->nvp_data = 0; - nvp->nvp_datasize = nvphdr.nvph_datasize; - - return (ptr); -failed: - errno = EINVAL; - return (NULL); -} - -const unsigned char * -nvpair_unpack_null(bool isbe __unused, nvpair_t *nvp, const unsigned char *ptr, - size_t *leftp __unused) -{ - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NULL); - - if (nvp->nvp_datasize != 0) { - errno = EINVAL; - return (NULL); - } - - return (ptr); -} - -const unsigned char * -nvpair_unpack_bool(bool isbe __unused, nvpair_t *nvp, const unsigned char *ptr, - size_t *leftp) -{ - uint8_t value; - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BOOL); - - if (nvp->nvp_datasize != sizeof(value)) { - errno = EINVAL; - return (NULL); - } - if (*leftp < sizeof(value)) { - errno = EINVAL; - return (NULL); - } - - memcpy(&value, ptr, sizeof(value)); - ptr += sizeof(value); - *leftp -= sizeof(value); - - if (value != 0 && value != 1) { - errno = EINVAL; - return (NULL); - } - - nvp->nvp_data = (uint64_t)value; - - return (ptr); -} - -const unsigned char * -nvpair_unpack_number(bool isbe, nvpair_t *nvp, const unsigned char *ptr, - size_t *leftp) -{ - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NUMBER); - - if (nvp->nvp_datasize != sizeof(uint64_t)) { - errno = EINVAL; - return (NULL); - } - if (*leftp < sizeof(uint64_t)) { - errno = EINVAL; - return (NULL); - } - - if (isbe) - nvp->nvp_data = be64dec(ptr); - else - nvp->nvp_data = le64dec(ptr); - ptr += sizeof(uint64_t); - *leftp -= sizeof(uint64_t); - - return (ptr); -} - -const unsigned char * -nvpair_unpack_string(bool isbe __unused, nvpair_t *nvp, - const unsigned char *ptr, size_t *leftp) -{ - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_STRING); - - if (*leftp < nvp->nvp_datasize || nvp->nvp_datasize == 0) { - errno = EINVAL; - return (NULL); - } - - if (strnlen((const char *)ptr, nvp->nvp_datasize) != - nvp->nvp_datasize - 1) { - errno = EINVAL; - return (NULL); - } - - nvp->nvp_data = (uint64_t)(uintptr_t)strdup((const char *)ptr); - if (nvp->nvp_data == 0) - return (NULL); - - ptr += nvp->nvp_datasize; - *leftp -= nvp->nvp_datasize; - - return (ptr); -} - -const unsigned char * -nvpair_unpack_nvlist(bool isbe __unused, nvpair_t *nvp, - const unsigned char *ptr, size_t *leftp, size_t nfds, nvlist_t **child) -{ - nvlist_t *value; - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NVLIST); - - if (*leftp < nvp->nvp_datasize || nvp->nvp_datasize == 0) { - errno = EINVAL; - return (NULL); - } - - value = nvlist_create(0); - if (value == NULL) - return (NULL); - - ptr = nvlist_unpack_header(value, ptr, nfds, NULL, leftp); - if (ptr == NULL) - return (NULL); - - nvp->nvp_data = (uint64_t)(uintptr_t)value; - *child = value; - - return (ptr); -} - -const unsigned char * -nvpair_unpack_descriptor(bool isbe, nvpair_t *nvp, const unsigned char *ptr, - size_t *leftp, const int *fds, size_t nfds) -{ - int64_t idx; - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_DESCRIPTOR); - - if (nvp->nvp_datasize != sizeof(idx)) { - errno = EINVAL; - return (NULL); - } - if (*leftp < sizeof(idx)) { - errno = EINVAL; - return (NULL); - } - - if (isbe) - idx = be64dec(ptr); - else - idx = le64dec(ptr); - - if (idx < 0) { - errno = EINVAL; - return (NULL); - } - - if ((size_t)idx >= nfds) { - errno = EINVAL; - return (NULL); - } - - nvp->nvp_data = (uint64_t)fds[idx]; - - ptr += sizeof(idx); - *leftp -= sizeof(idx); - - return (ptr); -} - -const unsigned char * -nvpair_unpack_binary(bool isbe __unused, nvpair_t *nvp, - const unsigned char *ptr, size_t *leftp) -{ - void *value; - - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BINARY); - - if (*leftp < nvp->nvp_datasize || nvp->nvp_datasize == 0) { - errno = EINVAL; - return (NULL); - } - - value = malloc(nvp->nvp_datasize); - if (value == NULL) - return (NULL); - - memcpy(value, ptr, nvp->nvp_datasize); - ptr += nvp->nvp_datasize; - *leftp -= nvp->nvp_datasize; - - nvp->nvp_data = (uint64_t)(uintptr_t)value; - - return (ptr); -} - -const unsigned char * -nvpair_unpack(bool isbe, const unsigned char *ptr, size_t *leftp, - nvpair_t **nvpp) -{ - nvpair_t *nvp, *tmp; - - nvp = calloc(1, sizeof(*nvp) + NV_NAME_MAX); - if (nvp == NULL) - return (NULL); - nvp->nvp_name = (char *)(nvp + 1); - - ptr = nvpair_unpack_header(isbe, nvp, ptr, leftp); - if (ptr == NULL) - goto failed; - tmp = realloc(nvp, sizeof(*nvp) + strlen(nvp->nvp_name) + 1); - if (tmp == NULL) - goto failed; - nvp = tmp; - - /* Update nvp_name after realloc(). */ - nvp->nvp_name = (char *)(nvp + 1); - nvp->nvp_data = 0x00; - nvp->nvp_magic = NVPAIR_MAGIC; - *nvpp = nvp; - return (ptr); -failed: - free(nvp); - return (NULL); -} - -int -nvpair_type(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - return (nvp->nvp_type); -} - -const char * -nvpair_name(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - return (nvp->nvp_name); -} - -static nvpair_t * -nvpair_allocv(int type, uint64_t data, size_t datasize, const char *namefmt, - va_list nameap) -{ - nvpair_t *nvp; - char *name; - int namelen; - - PJDLOG_ASSERT(type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST); - - namelen = vasprintf(&name, namefmt, nameap); - if (namelen < 0) - return (NULL); - - PJDLOG_ASSERT(namelen > 0); - if (namelen >= NV_NAME_MAX) { - free(name); - errno = ENAMETOOLONG; - return (NULL); - } - - nvp = calloc(1, sizeof(*nvp) + namelen + 1); - if (nvp != NULL) { - nvp->nvp_name = (char *)(nvp + 1); - memcpy(nvp->nvp_name, name, namelen + 1); - nvp->nvp_type = type; - nvp->nvp_data = data; - nvp->nvp_datasize = datasize; - nvp->nvp_magic = NVPAIR_MAGIC; - } - free(name); - - return (nvp); -}; - -nvpair_t * -nvpair_create_null(const char *name) -{ - - return (nvpair_createf_null("%s", name)); -} - -nvpair_t * -nvpair_create_bool(const char *name, bool value) -{ - - return (nvpair_createf_bool(value, "%s", name)); -} - -nvpair_t * -nvpair_create_number(const char *name, uint64_t value) -{ - - return (nvpair_createf_number(value, "%s", name)); -} - -nvpair_t * -nvpair_create_string(const char *name, const char *value) -{ - - return (nvpair_createf_string(value, "%s", name)); -} - -nvpair_t * -nvpair_create_stringf(const char *name, const char *valuefmt, ...) -{ - va_list valueap; - nvpair_t *nvp; - - va_start(valueap, valuefmt); - nvp = nvpair_create_stringv(name, valuefmt, valueap); - va_end(valueap); - - return (nvp); -} - -nvpair_t * -nvpair_create_stringv(const char *name, const char *valuefmt, va_list valueap) -{ - nvpair_t *nvp; - char *str; - int len; - - len = vasprintf(&str, valuefmt, valueap); - if (len < 0) - return (NULL); - nvp = nvpair_create_string(name, str); - if (nvp == NULL) - free(str); - return (nvp); -} - -nvpair_t * -nvpair_create_nvlist(const char *name, const nvlist_t *value) -{ - - return (nvpair_createf_nvlist(value, "%s", name)); -} - -nvpair_t * -nvpair_create_descriptor(const char *name, int value) -{ - - return (nvpair_createf_descriptor(value, "%s", name)); -} - -nvpair_t * -nvpair_create_binary(const char *name, const void *value, size_t size) -{ - - return (nvpair_createf_binary(value, size, "%s", name)); -} - -nvpair_t * -nvpair_createf_null(const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_null(namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createf_bool(bool value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_bool(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createf_number(uint64_t value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_number(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createf_string(const char *value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_string(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createf_nvlist(const nvlist_t *value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_nvlist(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createf_descriptor(int value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_descriptor(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createf_binary(const void *value, size_t size, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_createv_binary(value, size, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_createv_null(const char *namefmt, va_list nameap) -{ - - return (nvpair_allocv(NV_TYPE_NULL, 0, 0, namefmt, nameap)); -} - -nvpair_t * -nvpair_createv_bool(bool value, const char *namefmt, va_list nameap) -{ - - return (nvpair_allocv(NV_TYPE_BOOL, value ? 1 : 0, sizeof(uint8_t), - namefmt, nameap)); -} - -nvpair_t * -nvpair_createv_number(uint64_t value, const char *namefmt, va_list nameap) -{ - - return (nvpair_allocv(NV_TYPE_NUMBER, value, sizeof(value), namefmt, - nameap)); -} - -nvpair_t * -nvpair_createv_string(const char *value, const char *namefmt, va_list nameap) -{ - nvpair_t *nvp; - size_t size; - char *data; - - if (value == NULL) { - errno = EINVAL; - return (NULL); - } - - data = strdup(value); - if (data == NULL) - return (NULL); - size = strlen(value) + 1; - - nvp = nvpair_allocv(NV_TYPE_STRING, (uint64_t)(uintptr_t)data, size, - namefmt, nameap); - if (nvp == NULL) - free(data); - - return (nvp); -} - -nvpair_t * -nvpair_createv_nvlist(const nvlist_t *value, const char *namefmt, - va_list nameap) -{ - nvlist_t *nvl; - nvpair_t *nvp; - - if (value == NULL) { - errno = EINVAL; - return (NULL); - } - - nvl = nvlist_clone(value); - if (nvl == NULL) - return (NULL); - - nvp = nvpair_allocv(NV_TYPE_NVLIST, (uint64_t)(uintptr_t)nvl, 0, - namefmt, nameap); - if (nvp == NULL) - nvlist_destroy(nvl); - else - nvlist_set_parent(nvl, nvp); - - return (nvp); -} - -nvpair_t * -nvpair_createv_descriptor(int value, const char *namefmt, va_list nameap) -{ - nvpair_t *nvp; - - if (value < 0 || !fd_is_valid(value)) { - errno = EBADF; - return (NULL); - } - - value = fcntl(value, F_DUPFD_CLOEXEC, 0); - if (value < 0) - return (NULL); - - nvp = nvpair_allocv(NV_TYPE_DESCRIPTOR, (uint64_t)value, - sizeof(int64_t), namefmt, nameap); - if (nvp == NULL) - close(value); - - return (nvp); -} - -nvpair_t * -nvpair_createv_binary(const void *value, size_t size, const char *namefmt, - va_list nameap) -{ - nvpair_t *nvp; - void *data; - - if (value == NULL || size == 0) { - errno = EINVAL; - return (NULL); - } - - data = malloc(size); - if (data == NULL) - return (NULL); - memcpy(data, value, size); - - nvp = nvpair_allocv(NV_TYPE_BINARY, (uint64_t)(uintptr_t)data, size, - namefmt, nameap); - if (nvp == NULL) - free(data); - - return (nvp); -} - -nvpair_t * -nvpair_move_string(const char *name, char *value) -{ - - return (nvpair_movef_string(value, "%s", name)); -} - -nvpair_t * -nvpair_move_nvlist(const char *name, nvlist_t *value) -{ - - return (nvpair_movef_nvlist(value, "%s", name)); -} - -nvpair_t * -nvpair_move_descriptor(const char *name, int value) -{ - - return (nvpair_movef_descriptor(value, "%s", name)); -} - -nvpair_t * -nvpair_move_binary(const char *name, void *value, size_t size) -{ - - return (nvpair_movef_binary(value, size, "%s", name)); -} - -nvpair_t * -nvpair_movef_string(char *value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_movev_string(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_movef_nvlist(nvlist_t *value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_movev_nvlist(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_movef_descriptor(int value, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_movev_descriptor(value, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_movef_binary(void *value, size_t size, const char *namefmt, ...) -{ - va_list nameap; - nvpair_t *nvp; - - va_start(nameap, namefmt); - nvp = nvpair_movev_binary(value, size, namefmt, nameap); - va_end(nameap); - - return (nvp); -} - -nvpair_t * -nvpair_movev_string(char *value, const char *namefmt, va_list nameap) -{ - nvpair_t *nvp; - - if (value == NULL) { - errno = EINVAL; - return (NULL); - } - - nvp = nvpair_allocv(NV_TYPE_STRING, (uint64_t)(uintptr_t)value, - strlen(value) + 1, namefmt, nameap); - if (nvp == NULL) - free(value); - - return (nvp); -} - -nvpair_t * -nvpair_movev_nvlist(nvlist_t *value, const char *namefmt, va_list nameap) -{ - nvpair_t *nvp; - - if (value == NULL || nvlist_get_nvpair_parent(value) != NULL) { - errno = EINVAL; - return (NULL); - } - - nvp = nvpair_allocv(NV_TYPE_NVLIST, (uint64_t)(uintptr_t)value, 0, - namefmt, nameap); - if (nvp == NULL) - nvlist_destroy(value); - else - nvlist_set_parent(value, nvp); - - return (nvp); -} - -nvpair_t * -nvpair_movev_descriptor(int value, const char *namefmt, va_list nameap) -{ - - if (value < 0 || !fd_is_valid(value)) { - errno = EBADF; - return (NULL); - } - - return (nvpair_allocv(NV_TYPE_DESCRIPTOR, (uint64_t)value, - sizeof(int64_t), namefmt, nameap)); -} - -nvpair_t * -nvpair_movev_binary(void *value, size_t size, const char *namefmt, - va_list nameap) -{ - - if (value == NULL || size == 0) { - errno = EINVAL; - return (NULL); - } - - return (nvpair_allocv(NV_TYPE_BINARY, (uint64_t)(uintptr_t)value, size, - namefmt, nameap)); -} - -bool -nvpair_get_bool(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - return (nvp->nvp_data == 1); -} - -uint64_t -nvpair_get_number(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - - return (nvp->nvp_data); -} - -const char * -nvpair_get_string(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_STRING); - - return ((const char *)(intptr_t)nvp->nvp_data); -} - -const nvlist_t * -nvpair_get_nvlist(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NVLIST); - - return ((const nvlist_t *)(intptr_t)nvp->nvp_data); -} - -int -nvpair_get_descriptor(const nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_DESCRIPTOR); - - return ((int)nvp->nvp_data); -} - -const void * -nvpair_get_binary(const nvpair_t *nvp, size_t *sizep) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BINARY); - - if (sizep != NULL) - *sizep = nvp->nvp_datasize; - return ((const void *)(intptr_t)nvp->nvp_data); -} - -void -nvpair_free(nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_list == NULL); - - nvp->nvp_magic = 0; - switch (nvp->nvp_type) { - case NV_TYPE_DESCRIPTOR: - close((int)nvp->nvp_data); - break; - case NV_TYPE_NVLIST: - nvlist_destroy((nvlist_t *)(intptr_t)nvp->nvp_data); - break; - case NV_TYPE_STRING: - free((char *)(intptr_t)nvp->nvp_data); - break; - case NV_TYPE_BINARY: - free((void *)(intptr_t)nvp->nvp_data); - break; - } - free(nvp); -} - -void -nvpair_free_structure(nvpair_t *nvp) -{ - - NVPAIR_ASSERT(nvp); - PJDLOG_ASSERT(nvp->nvp_list == NULL); - - nvp->nvp_magic = 0; - free(nvp); -} - -const char * -nvpair_type_string(int type) -{ - - switch (type) { - case NV_TYPE_NULL: - return ("NULL"); - case NV_TYPE_BOOL: - return ("BOOL"); - case NV_TYPE_NUMBER: - return ("NUMBER"); - case NV_TYPE_STRING: - return ("STRING"); - case NV_TYPE_NVLIST: - return ("NVLIST"); - case NV_TYPE_DESCRIPTOR: - return ("DESCRIPTOR"); - case NV_TYPE_BINARY: - return ("BINARY"); - default: - return ("<UNKNOWN>"); - } -} |
