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https://git.rtems.org/rtems-libbsd/
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tcpdump: Update to FreeBSD head 2017-04-04
Update tcpdump from Git mirror commit 99a648a912e81e29d9c4c159cbbe263462f2d719 to 642b174daddbd0efd9bb5f242c43f4ab4db6869f.
This commit is contained in:
@@ -1,5 +1,8 @@
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#include <machine/rtems-bsd-user-space.h>
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#ifdef __rtems__
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#include <machine/rtems-bsd-program.h>
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#include "rtems-bsd-tcpdump-namespace.h"
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#endif /* __rtems__ */
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/*-
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* Copyright (c) 2003, 2004 David Young. All rights reserved.
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*
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@@ -35,13 +38,13 @@
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#include <stdlib.h>
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#include <string.h>
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#include <tcpdump-stdinc.h>
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#include <netdissect-stdinc.h>
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#include "cpack.h"
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#include "extract.h"
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u_int8_t *
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cpack_next_boundary(u_int8_t *buf, u_int8_t *p, size_t alignment)
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const uint8_t *
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cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment)
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{
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size_t misalignment = (size_t)(p - buf) % alignment;
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@@ -55,10 +58,10 @@ cpack_next_boundary(u_int8_t *buf, u_int8_t *p, size_t alignment)
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* wordsize bytes remain in the buffer after the boundary. Otherwise,
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* return a pointer to the boundary.
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*/
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u_int8_t *
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const uint8_t *
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cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize)
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{
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u_int8_t *next;
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const uint8_t *next;
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/* Ensure alignment. */
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next = cpack_next_boundary(cs->c_buf, cs->c_next, wordsize);
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@@ -70,8 +73,19 @@ cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize)
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return next;
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}
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/* Advance by N bytes without returning them. */
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int
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cpack_init(struct cpack_state *cs, u_int8_t *buf, size_t buflen)
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cpack_advance(struct cpack_state *cs, const size_t toskip)
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{
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/* No space left? */
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if (cs->c_next - cs->c_buf + toskip > cs->c_len)
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return -1;
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cs->c_next += toskip;
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return 0;
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}
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int
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cpack_init(struct cpack_state *cs, const uint8_t *buf, size_t buflen)
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{
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memset(cs, 0, sizeof(*cs));
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@@ -84,55 +98,55 @@ cpack_init(struct cpack_state *cs, u_int8_t *buf, size_t buflen)
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/* Unpack a 64-bit unsigned integer. */
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int
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cpack_uint64(struct cpack_state *cs, u_int64_t *u)
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cpack_uint64(struct cpack_state *cs, uint64_t *u)
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{
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u_int8_t *next;
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const uint8_t *next;
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if ((next = cpack_align_and_reserve(cs, sizeof(*u))) == NULL)
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return -1;
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*u = EXTRACT_LE_64BITS(next);
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/* Move pointer past the u_int64_t. */
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/* Move pointer past the uint64_t. */
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cs->c_next = next + sizeof(*u);
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return 0;
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}
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/* Unpack a 32-bit unsigned integer. */
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int
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cpack_uint32(struct cpack_state *cs, u_int32_t *u)
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cpack_uint32(struct cpack_state *cs, uint32_t *u)
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{
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u_int8_t *next;
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const uint8_t *next;
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if ((next = cpack_align_and_reserve(cs, sizeof(*u))) == NULL)
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return -1;
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*u = EXTRACT_LE_32BITS(next);
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/* Move pointer past the u_int32_t. */
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/* Move pointer past the uint32_t. */
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cs->c_next = next + sizeof(*u);
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return 0;
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}
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/* Unpack a 16-bit unsigned integer. */
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int
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cpack_uint16(struct cpack_state *cs, u_int16_t *u)
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cpack_uint16(struct cpack_state *cs, uint16_t *u)
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{
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u_int8_t *next;
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const uint8_t *next;
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if ((next = cpack_align_and_reserve(cs, sizeof(*u))) == NULL)
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return -1;
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*u = EXTRACT_LE_16BITS(next);
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/* Move pointer past the u_int16_t. */
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/* Move pointer past the uint16_t. */
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cs->c_next = next + sizeof(*u);
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return 0;
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}
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/* Unpack an 8-bit unsigned integer. */
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int
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cpack_uint8(struct cpack_state *cs, u_int8_t *u)
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cpack_uint8(struct cpack_state *cs, uint8_t *u)
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{
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/* No space left? */
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if ((size_t)(cs->c_next - cs->c_buf) >= cs->c_len)
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@@ -140,7 +154,10 @@ cpack_uint8(struct cpack_state *cs, u_int8_t *u)
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*u = *cs->c_next;
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/* Move pointer past the u_int8_t. */
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/* Move pointer past the uint8_t. */
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cs->c_next++;
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return 0;
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}
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#ifdef __rtems__
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#include "rtems-bsd-tcpdump-cpack-data.h"
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#endif /* __rtems__ */
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