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/*
* Copyright (c) 2001 - 2005 NetGroup, Politecnico di Torino (Italy)
* Copyright (c) 2005 CACE Technologies, Davis (California)
* All rights reserved.
*
* 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.
* 3. Neither the name of the Politecnico di Torino, CACE Technologies
* nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*
*/
u_short valid_instructions[]=
{
BPF_RET|BPF_K,
BPF_RET|BPF_A,
BPF_LD|BPF_IMM,
BPF_LDX|BPF_IMM,
BPF_LD|BPF_MEM,
BPF_LDX|BPF_MEM,
#ifdef __NPF_x86__
BPF_LD|BPF_MEM_EX_IMM|BPF_B,
BPF_LD|BPF_MEM_EX_IMM|BPF_H,
BPF_LD|BPF_MEM_EX_IMM|BPF_W,
BPF_LD|BPF_MEM_EX_IND|BPF_B,
BPF_LD|BPF_MEM_EX_IND|BPF_H,
BPF_LD|BPF_MEM_EX_IND|BPF_W,
#endif
BPF_LD|BPF_W|BPF_ABS,
BPF_LD|BPF_H|BPF_ABS,
BPF_LD|BPF_B|BPF_ABS,
BPF_LDX|BPF_W|BPF_ABS,
BPF_LDX|BPF_H|BPF_ABS,
BPF_LDX|BPF_B|BPF_ABS,
BPF_LD|BPF_W|BPF_LEN,
BPF_LDX|BPF_W|BPF_LEN,
BPF_LD|BPF_W|BPF_IND,
BPF_LD|BPF_H|BPF_IND,
BPF_LD|BPF_B|BPF_IND,
BPF_LDX|BPF_MSH|BPF_B,
BPF_ST,
BPF_STX,
#ifdef __NPF_x86__
BPF_ST|BPF_MEM_EX_IMM|BPF_B,
BPF_STX|BPF_MEM_EX_IMM|BPF_B,
BPF_ST|BPF_MEM_EX_IMM|BPF_W,
BPF_STX|BPF_MEM_EX_IMM|BPF_W,
BPF_ST|BPF_MEM_EX_IMM|BPF_H,
BPF_STX|BPF_MEM_EX_IMM|BPF_H,
BPF_ST|BPF_MEM_EX_IND|BPF_B,
BPF_ST|BPF_MEM_EX_IND|BPF_W,
BPF_ST|BPF_MEM_EX_IND|BPF_H,
#endif
BPF_JMP|BPF_JA,
BPF_JMP|BPF_JGT|BPF_K,
BPF_JMP|BPF_JGE|BPF_K,
BPF_JMP|BPF_JEQ|BPF_K,
BPF_JMP|BPF_JSET|BPF_K,
BPF_JMP|BPF_JGT|BPF_X,
BPF_JMP|BPF_JGE|BPF_X,
BPF_JMP|BPF_JEQ|BPF_X,
BPF_JMP|BPF_JSET|BPF_X,
BPF_ALU|BPF_ADD|BPF_X,
BPF_ALU|BPF_SUB|BPF_X,
BPF_ALU|BPF_MUL|BPF_X,
BPF_ALU|BPF_DIV|BPF_X,
BPF_ALU|BPF_AND|BPF_X,
BPF_ALU|BPF_OR|BPF_X,
BPF_ALU|BPF_LSH|BPF_X,
BPF_ALU|BPF_RSH|BPF_X,
BPF_ALU|BPF_ADD|BPF_K,
BPF_ALU|BPF_SUB|BPF_K,
BPF_ALU|BPF_MUL|BPF_K,
BPF_ALU|BPF_DIV|BPF_K,
BPF_ALU|BPF_AND|BPF_K,
BPF_ALU|BPF_OR|BPF_K,
BPF_ALU|BPF_LSH|BPF_K,
BPF_ALU|BPF_RSH|BPF_K,
BPF_ALU|BPF_NEG,
BPF_MISC|BPF_TAX,
BPF_MISC|BPF_TXA,
#ifdef __NPF_x86__
BPF_MISC|BPF_TME|BPF_LOOKUP,
BPF_MISC|BPF_TME|BPF_EXECUTE,
BPF_MISC|BPF_TME|BPF_SET_ACTIVE,
BPF_MISC|BPF_TME|BPF_GET_REGISTER_VALUE,
BPF_MISC|BPF_TME|BPF_SET_REGISTER_VALUE
#endif
};
#define VALID_INSTRUCTIONS_LEN (sizeof(valid_instructions)/sizeof(u_short))
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