nvlist_t *
nvlist_recv(int sock, int flags)
{
struct nvlist_header nvlhdr;
nvlist_t *nvl, *ret;
unsigned char *buf;
size_t nfds, size, i;
int *fds;
if (buf_recv(sock, &nvlhdr, sizeof(nvlhdr)) == -1)
return (NULL);
if (!nvlist_check_header(&nvlhdr))
return (NULL);
nfds = (size_t)nvlhdr.nvlh_descriptors;
size = sizeof(nvlhdr) + (size_t)nvlhdr.nvlh_size;
buf = nv_malloc(size);
if (buf == NULL)
return (NULL);
memcpy(buf, &nvlhdr, sizeof(nvlhdr));
ret = NULL;
fds = NULL;
if (buf_recv(sock, buf + sizeof(nvlhdr), size - sizeof(nvlhdr)) == -1)
goto out;
if (nfds > 0) {
fds = nv_malloc(nfds * sizeof(fds[0]));
if (fds == NULL)
goto out;
if (fd_recv(sock, fds, nfds) == -1)
goto out;
}
nvl = nvlist_xunpack(buf, size, fds, nfds, flags);
if (nvl == NULL) {
ERRNO_SAVE();
for (i = 0; i < nfds; i++)
close(fds[i]);
ERRNO_RESTORE();
goto out;
}
ret = nvl;
out:
ERRNO_SAVE();
nv_free(buf);
nv_free(fds);
ERRNO_RESTORE();
return (ret);
}
nvlist_t *
nvlist_recv(int sock)
{
struct nvlist_header nvlhdr;
nvlist_t *nvl, *ret;
unsigned char *buf;
size_t nfds, size;
int serrno, *fds;
if (buf_recv(sock, &nvlhdr, sizeof(nvlhdr)) == -1)
return (NULL);
if (!nvlist_check_header(&nvlhdr))
return (NULL);
nfds = (size_t)nvlhdr.nvlh_descriptors;
size = sizeof(nvlhdr) + (size_t)nvlhdr.nvlh_size;
buf = malloc(size);
if (buf == NULL)
return (NULL);
memcpy(buf, &nvlhdr, sizeof(nvlhdr));
ret = NULL;
fds = NULL;
if (buf_recv(sock, buf + sizeof(nvlhdr), size - sizeof(nvlhdr)) == -1)
goto out;
if (nfds > 0) {
fds = malloc(nfds * sizeof(fds[0]));
if (fds == NULL)
goto out;
if (fd_recv(sock, fds, nfds) == -1)
goto out;
}
nvl = nvlist_xunpack(buf, size, fds, nfds);
if (nvl == NULL)
goto out;
ret = nvl;
out:
serrno = errno;
free(buf);
free(fds);
errno = serrno;
return (ret);
}
static int
fmd_ckpt_restore_suspects(fmd_ckpt_t *ckp, fmd_case_t *cp, fcf_secidx_t sid)
{
const fcf_nvl_t *fcfn, *endn;
const fcf_sec_t *sp;
nvlist_t *nvl;
int err, i;
if ((sp = fmd_ckpt_secptr(ckp, sid, FCF_SECT_NVLISTS)) == NULL) {
fmd_ckpt_error(ckp, EFMD_CKPT_INVAL,
"invalid link to section %u: expected nvlists\n", sid);
}
fcfn = fmd_ckpt_dataptr(ckp, sp);
endn = fmd_ckpt_datalim(ckp, sp);
for (i = 0; fcfn < endn; i++) {
char *data = (char *)fcfn + sp->fcfs_entsize;
size_t size = (size_t)fcfn->fcfn_size;
if (fcfn->fcfn_size > (size_t)((char *)endn - data)) {
fmd_ckpt_error(ckp, EFMD_CKPT_INVAL, "nvlist %u [%d] "
"size %u exceeds buffer\n", sid, i, size);
}
if ((err = nvlist_xunpack(data, size, &nvl, &fmd.d_nva)) != 0) {
fmd_ckpt_error(ckp, EFMD_CKPT_INVAL, "failed to "
"unpack nvlist %u [%d]: %s\n", sid, i,
fmd_strerror(err));
}
fmd_case_insert_suspect(cp, nvl);
size = sp->fcfs_entsize + fcfn->fcfn_size;
size = P2ROUNDUP(size, sizeof (uint64_t));
fcfn = (fcf_nvl_t *)((uintptr_t)fcfn + size);
}
return (i);
}
nvlist_t *
nvlist_unpack(const void *buf, size_t size, int flags)
{
return (nvlist_xunpack(buf, size, NULL, 0, flags));
}
nvlist_t *
nvlist_unpack(const void *buf, size_t size)
{
return (nvlist_xunpack(buf, size, NULL, 0));
}