Fix problem on big endian systems introduced in r271579 - when we were
returning from handling a nested nvlist we were resetting big-endian flag. Reported by: Kuleshov Aleksey @ yandex.ru Tested by: Kuleshov Aleksey @ yandex.ru
This commit is contained in:
parent
54ac10780f
commit
8018334b70
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=272843
@ -698,7 +698,7 @@ nvlist_check_header(struct nvlist_header *nvlhdrp)
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const unsigned char *
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nvlist_unpack_header(nvlist_t *nvl, const unsigned char *ptr, size_t nfds,
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int *flagsp, size_t *leftp)
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bool *isbep, size_t *leftp)
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{
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struct nvlist_header nvlhdr;
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@ -725,7 +725,8 @@ nvlist_unpack_header(nvlist_t *nvl, const unsigned char *ptr, size_t nfds,
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nvl->nvl_flags = (nvlhdr.nvlh_flags & NV_FLAG_PUBLIC_MASK);
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ptr += sizeof(nvlhdr);
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*flagsp = (int)nvlhdr.nvlh_flags;
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if (isbep != NULL)
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*isbep = (((int)nvlhdr.nvlh_flags & NV_FLAG_BIG_ENDIAN) != 0);
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*leftp -= sizeof(nvlhdr);
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return (ptr);
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@ -741,7 +742,7 @@ nvlist_xunpack(const void *buf, size_t size, const int *fds, size_t nfds)
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nvlist_t *nvl, *retnvl, *tmpnvl;
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nvpair_t *nvp;
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size_t left;
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int flags;
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bool isbe;
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left = size;
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ptr = buf;
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@ -751,44 +752,43 @@ nvlist_xunpack(const void *buf, size_t size, const int *fds, size_t nfds)
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if (nvl == NULL)
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goto failed;
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ptr = nvlist_unpack_header(nvl, ptr, nfds, &flags, &left);
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ptr = nvlist_unpack_header(nvl, ptr, nfds, &isbe, &left);
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if (ptr == NULL)
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goto failed;
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while (left > 0) {
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ptr = nvpair_unpack(flags, ptr, &left, &nvp);
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ptr = nvpair_unpack(isbe, ptr, &left, &nvp);
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if (ptr == NULL)
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goto failed;
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switch (nvpair_type(nvp)) {
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case NV_TYPE_NULL:
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ptr = nvpair_unpack_null(flags, nvp, ptr, &left);
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ptr = nvpair_unpack_null(isbe, nvp, ptr, &left);
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break;
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case NV_TYPE_BOOL:
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ptr = nvpair_unpack_bool(flags, nvp, ptr, &left);
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ptr = nvpair_unpack_bool(isbe, nvp, ptr, &left);
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break;
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case NV_TYPE_NUMBER:
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ptr = nvpair_unpack_number(flags, nvp, ptr, &left);
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ptr = nvpair_unpack_number(isbe, nvp, ptr, &left);
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break;
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case NV_TYPE_STRING:
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ptr = nvpair_unpack_string(flags, nvp, ptr, &left);
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ptr = nvpair_unpack_string(isbe, nvp, ptr, &left);
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break;
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case NV_TYPE_NVLIST:
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ptr = nvpair_unpack_nvlist(&flags, nvp, ptr, &left,
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nfds, &tmpnvl);
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ptr = nvpair_unpack_nvlist(isbe, nvp, ptr, &left, nfds,
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&tmpnvl);
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nvlist_set_parent(tmpnvl, nvp);
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break;
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case NV_TYPE_DESCRIPTOR:
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ptr = nvpair_unpack_descriptor(flags, nvp, ptr, &left,
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ptr = nvpair_unpack_descriptor(isbe, nvp, ptr, &left,
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fds, nfds);
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break;
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case NV_TYPE_BINARY:
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ptr = nvpair_unpack_binary(flags, nvp, ptr, &left);
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ptr = nvpair_unpack_binary(isbe, nvp, ptr, &left);
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break;
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case NV_TYPE_NVLIST_UP:
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if (nvl->nvl_parent == NULL)
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goto failed;
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nvl = nvpair_nvlist(nvl->nvl_parent);
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flags = nvl->nvl_flags;
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continue;
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default:
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PJDLOG_ABORT("Invalid type (%d).", nvpair_type(nvp));
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@ -42,6 +42,6 @@ nvlist_t *nvlist_xunpack(const void *buf, size_t size, const int *fds,
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nvpair_t *nvlist_get_nvpair_parent(const nvlist_t *nvl);
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const unsigned char *nvlist_unpack_header(nvlist_t *nvl,
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const unsigned char *ptr, size_t nfds, int *flagsp, size_t *leftp);
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const unsigned char *ptr, size_t nfds, bool *isbep, size_t *leftp);
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#endif /* !_NVLIST_IMPL_H_ */
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@ -389,7 +389,7 @@ nvpair_init_datasize(nvpair_t *nvp)
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}
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const unsigned char *
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nvpair_unpack_header(int flags, nvpair_t *nvp, const unsigned char *ptr,
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nvpair_unpack_header(bool isbe, nvpair_t *nvp, const unsigned char *ptr,
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size_t *leftp)
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{
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struct nvpair_header nvphdr;
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@ -411,12 +411,12 @@ nvpair_unpack_header(int flags, nvpair_t *nvp, const unsigned char *ptr,
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}
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#if BYTE_ORDER == BIG_ENDIAN
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if ((flags & NV_FLAG_BIG_ENDIAN) == 0) {
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if (!isbe) {
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nvphdr.nvph_namesize = le16toh(nvphdr.nvph_namesize);
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nvphdr.nvph_datasize = le64toh(nvphdr.nvph_datasize);
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}
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#else
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if ((flags & NV_FLAG_BIG_ENDIAN) != 0) {
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if (isbe) {
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nvphdr.nvph_namesize = be16toh(nvphdr.nvph_namesize);
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nvphdr.nvph_datasize = be64toh(nvphdr.nvph_datasize);
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}
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@ -451,7 +451,7 @@ nvpair_unpack_header(int flags, nvpair_t *nvp, const unsigned char *ptr,
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}
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const unsigned char *
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nvpair_unpack_null(int flags __unused, nvpair_t *nvp, const unsigned char *ptr,
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nvpair_unpack_null(bool isbe __unused, nvpair_t *nvp, const unsigned char *ptr,
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size_t *leftp __unused)
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{
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@ -466,7 +466,7 @@ nvpair_unpack_null(int flags __unused, nvpair_t *nvp, const unsigned char *ptr,
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}
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const unsigned char *
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nvpair_unpack_bool(int flags __unused, nvpair_t *nvp, const unsigned char *ptr,
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nvpair_unpack_bool(bool isbe __unused, nvpair_t *nvp, const unsigned char *ptr,
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size_t *leftp)
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{
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uint8_t value;
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@ -497,7 +497,7 @@ nvpair_unpack_bool(int flags __unused, nvpair_t *nvp, const unsigned char *ptr,
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}
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const unsigned char *
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nvpair_unpack_number(int flags, nvpair_t *nvp, const unsigned char *ptr,
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nvpair_unpack_number(bool isbe, nvpair_t *nvp, const unsigned char *ptr,
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size_t *leftp)
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{
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@ -512,7 +512,7 @@ nvpair_unpack_number(int flags, nvpair_t *nvp, const unsigned char *ptr,
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return (NULL);
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}
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if ((flags & NV_FLAG_BIG_ENDIAN) != 0)
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if (isbe)
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nvp->nvp_data = be64dec(ptr);
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else
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nvp->nvp_data = le64dec(ptr);
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@ -523,7 +523,7 @@ nvpair_unpack_number(int flags, nvpair_t *nvp, const unsigned char *ptr,
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}
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const unsigned char *
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nvpair_unpack_string(int flags __unused, nvpair_t *nvp,
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nvpair_unpack_string(bool isbe __unused, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp)
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{
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@ -551,8 +551,8 @@ nvpair_unpack_string(int flags __unused, nvpair_t *nvp,
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}
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const unsigned char *
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nvpair_unpack_nvlist(int *flagsp, nvpair_t *nvp, const unsigned char *ptr,
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size_t *leftp, size_t nfds, nvlist_t **child)
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nvpair_unpack_nvlist(bool isbe __unused, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp, size_t nfds, nvlist_t **child)
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{
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nvlist_t *value;
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@ -567,7 +567,7 @@ nvpair_unpack_nvlist(int *flagsp, nvpair_t *nvp, const unsigned char *ptr,
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if (value == NULL)
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return (NULL);
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ptr = nvlist_unpack_header(value, ptr, nfds, flagsp, leftp);
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ptr = nvlist_unpack_header(value, ptr, nfds, NULL, leftp);
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if (ptr == NULL)
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return (NULL);
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@ -578,7 +578,7 @@ nvpair_unpack_nvlist(int *flagsp, nvpair_t *nvp, const unsigned char *ptr,
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}
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const unsigned char *
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nvpair_unpack_descriptor(int flags, nvpair_t *nvp, const unsigned char *ptr,
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nvpair_unpack_descriptor(bool isbe, nvpair_t *nvp, const unsigned char *ptr,
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size_t *leftp, const int *fds, size_t nfds)
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{
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int64_t idx;
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@ -594,7 +594,7 @@ nvpair_unpack_descriptor(int flags, nvpair_t *nvp, const unsigned char *ptr,
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return (NULL);
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}
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if ((flags & NV_FLAG_BIG_ENDIAN) != 0)
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if (isbe)
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idx = be64dec(ptr);
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else
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idx = le64dec(ptr);
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@ -618,7 +618,7 @@ nvpair_unpack_descriptor(int flags, nvpair_t *nvp, const unsigned char *ptr,
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}
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const unsigned char *
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nvpair_unpack_binary(int flags __unused, nvpair_t *nvp,
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nvpair_unpack_binary(bool isbe __unused, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp)
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{
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void *value;
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@ -644,7 +644,7 @@ nvpair_unpack_binary(int flags __unused, nvpair_t *nvp,
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}
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const unsigned char *
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nvpair_unpack(int flags, const unsigned char *ptr, size_t *leftp,
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nvpair_unpack(bool isbe, const unsigned char *ptr, size_t *leftp,
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nvpair_t **nvpp)
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{
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nvpair_t *nvp, *tmp;
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@ -654,7 +654,7 @@ nvpair_unpack(int flags, const unsigned char *ptr, size_t *leftp,
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return (NULL);
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nvp->nvp_name = (char *)(nvp + 1);
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ptr = nvpair_unpack_header(flags, nvp, ptr, leftp);
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ptr = nvpair_unpack_header(isbe, nvp, ptr, leftp);
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if (ptr == NULL)
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goto failed;
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tmp = realloc(nvp, sizeof(*nvp) + strlen(nvp->nvp_name) + 1);
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@ -48,7 +48,7 @@ void nvpair_insert(struct nvl_head *head, nvpair_t *nvp, nvlist_t *nvl);
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void nvpair_remove(struct nvl_head *head, nvpair_t *nvp, const nvlist_t *nvl);
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size_t nvpair_header_size(void);
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size_t nvpair_size(const nvpair_t *nvp);
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const unsigned char *nvpair_unpack(int flags, const unsigned char *ptr,
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const unsigned char *nvpair_unpack(bool isbe, const unsigned char *ptr,
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size_t *leftp, nvpair_t **nvpp);
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void nvpair_free_structure(nvpair_t *nvp);
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void nvpair_init_datasize(nvpair_t *nvp);
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@ -72,21 +72,21 @@ unsigned char *nvpair_pack_binary(const nvpair_t *nvp, unsigned char *ptr,
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unsigned char *nvpair_pack_nvlist_up(unsigned char *ptr, size_t *leftp);
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/* Unpack data functions. */
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const unsigned char *nvpair_unpack_header(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_header(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp);
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const unsigned char *nvpair_unpack_null(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_null(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp);
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const unsigned char *nvpair_unpack_bool(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_bool(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp);
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const unsigned char *nvpair_unpack_number(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_number(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp);
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const unsigned char *nvpair_unpack_string(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_string(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp);
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const unsigned char *nvpair_unpack_nvlist(int *flagsp, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_nvlist(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp, size_t nvlist, nvlist_t **child);
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const unsigned char *nvpair_unpack_descriptor(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_descriptor(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp, const int *fds, size_t nfds);
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const unsigned char *nvpair_unpack_binary(int flags, nvpair_t *nvp,
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const unsigned char *nvpair_unpack_binary(bool isbe, nvpair_t *nvp,
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const unsigned char *ptr, size_t *leftp);
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#endif /* !_NVPAIR_IMPL_H_ */
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