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1219 lines
29 KiB
C
1219 lines
29 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "cpu_rules.h"
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extern int max_len;
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/**
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* GPU rules
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*/
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#define INCR_POS if (++rule_pos == rule_len) return (-1)
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#define SET_NAME(rule,val) (rule)->cmds[rule_cnt] = ((val) & 0xff) << 0
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#define SET_P0(rule,val) INCR_POS; (rule)->cmds[rule_cnt] |= ((val) & 0xff) << 8
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#define SET_P1(rule,val) INCR_POS; (rule)->cmds[rule_cnt] |= ((val) & 0xff) << 16
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#define MAX_GPU_RULES 255
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#define GET_NAME(rule) rule_cmd = (((rule)->cmds[rule_cnt] >> 0) & 0xff)
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#define GET_P0(rule) INCR_POS; rule_buf[rule_pos] = (((rule)->cmds[rule_cnt] >> 8) & 0xff)
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#define GET_P1(rule) INCR_POS; rule_buf[rule_pos] = (((rule)->cmds[rule_cnt] >> 16) & 0xff)
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#define SET_P0_CONV(rule,val) INCR_POS; (rule)->cmds[rule_cnt] |= ((conv_ctoi (val)) & 0xff) << 8
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#define SET_P1_CONV(rule,val) INCR_POS; (rule)->cmds[rule_cnt] |= ((conv_ctoi (val)) & 0xff) << 16
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#define GET_P0_CONV(rule) INCR_POS; rule_buf[rule_pos] = conv_itoc (((rule)->cmds[rule_cnt] >> 8) & 0xff)
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#define GET_P1_CONV(rule) INCR_POS; rule_buf[rule_pos] = conv_itoc (((rule)->cmds[rule_cnt] >> 16) & 0xff)
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void gen_cmask (const u8 *word, u8 *cmask, const uint len)
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{
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uint i;
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for (i = 0; i < len; i++)
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{
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if (class_alpha (word[i]) == 0)
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{
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cmask[i] = 0;
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}
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else
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{
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cmask[i] = 0xff;
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}
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}
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}
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/**
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* CPU rules
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*/
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#define NEXT_RULEPOS(rp) if (++(rp) == rule_len) return (RULE_RC_SYNTAX_ERROR)
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#define NEXT_RPTOI(r,rp,up) if (((up) = conv_ctoi ((r)[(rp)])) == -1) return (RULE_RC_SYNTAX_ERROR)
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#define MANGLE_TOGGLE_AT(a,p) if (class_alpha ((a)[(p)])) (a)[(p)] ^= 0x20
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#define MANGLE_LOWER_AT(a,p) if (class_upper ((a)[(p)])) (a)[(p)] ^= 0x20
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#define MANGLE_UPPER_AT(a,p) if (class_lower ((a)[(p)])) (a)[(p)] ^= 0x20
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/* #define MANGLE_SWITCH(a,l,r) { char c = (l); arr[(r)] = arr[(l)]; arr[(l)] = c; } */
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/* #define MANGLE_SWITCH(a,l,r) { char c = (l); (a)[(r)] = (a)[(l)]; (a)[(l)] = c; } */
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#define MANGLE_SWITCH(a,l,r) { char c = (a)[(r)]; (a)[(r)] = (a)[(l)]; (a)[(l)] = c; }
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int mangle_lrest (char arr[BLOCK_SIZE], int arr_len)
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{
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int pos;
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for (pos = 0; pos < arr_len; pos++) MANGLE_LOWER_AT (arr, pos);
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return (arr_len);
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}
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int mangle_urest (char arr[BLOCK_SIZE], int arr_len)
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{
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int pos;
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for (pos = 0; pos < arr_len; pos++) MANGLE_UPPER_AT (arr, pos);
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return (arr_len);
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}
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int mangle_trest (char arr[BLOCK_SIZE], int arr_len)
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{
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int pos;
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for (pos = 0; pos < arr_len; pos++) MANGLE_TOGGLE_AT (arr, pos);
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return (arr_len);
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}
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int mangle_reverse (char arr[BLOCK_SIZE], int arr_len)
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{
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int l;
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int r;
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for (l = 0; l < arr_len; l++)
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{
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r = arr_len - 1 - l;
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if (l >= r) break;
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MANGLE_SWITCH (arr, l, r);
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}
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return (arr_len);
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}
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int mangle_double (char arr[BLOCK_SIZE], int arr_len)
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{
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if ((arr_len * 2) >= BLOCK_SIZE) return (arr_len);
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memcpy (&arr[arr_len], arr, (size_t) arr_len);
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return (arr_len * 2);
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}
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int mangle_double_times (char arr[BLOCK_SIZE], int arr_len, int times)
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{
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if (((arr_len * times) + arr_len) >= BLOCK_SIZE) return (arr_len);
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int orig_len = arr_len;
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int i;
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for (i = 0; i < times; i++)
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{
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memcpy (&arr[arr_len], arr, orig_len);
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arr_len += orig_len;
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}
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return (arr_len);
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}
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int mangle_reflect (char arr[BLOCK_SIZE], int arr_len)
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{
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if ((arr_len * 2) >= BLOCK_SIZE) return (arr_len);
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mangle_double (arr, arr_len);
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mangle_reverse (arr + arr_len, arr_len);
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return (arr_len * 2);
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}
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int mangle_rotate_left (char arr[BLOCK_SIZE], int arr_len)
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{
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int l;
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int r;
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for (l = 0, r = arr_len - 1; r > 0; r--)
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{
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MANGLE_SWITCH (arr, l, r);
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}
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return (arr_len);
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}
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int mangle_rotate_right (char arr[BLOCK_SIZE], int arr_len)
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{
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int l;
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int r;
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for (l = 0, r = arr_len - 1; l < r; l++)
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{
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MANGLE_SWITCH (arr, l, r);
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}
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return (arr_len);
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}
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int mangle_append (char arr[BLOCK_SIZE], int arr_len, char c)
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{
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if ((arr_len + 1) >= BLOCK_SIZE) return (arr_len);
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arr[arr_len] = c;
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return (arr_len + 1);
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}
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int mangle_prepend (char arr[BLOCK_SIZE], int arr_len, char c)
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{
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if ((arr_len + 1) >= BLOCK_SIZE) return (arr_len);
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int arr_pos;
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for (arr_pos = arr_len - 1; arr_pos > -1; arr_pos--)
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{
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arr[arr_pos + 1] = arr[arr_pos];
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}
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arr[0] = c;
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return (arr_len + 1);
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}
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int mangle_delete_at (char arr[BLOCK_SIZE], int arr_len, int upos)
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{
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if (upos >= arr_len) return (arr_len);
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int arr_pos;
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for (arr_pos = upos; arr_pos < arr_len - 1; arr_pos++)
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{
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arr[arr_pos] = arr[arr_pos + 1];
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}
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return (arr_len - 1);
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}
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int mangle_extract (char arr[BLOCK_SIZE], int arr_len, int upos, int ulen)
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{
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if (upos >= arr_len) return (arr_len);
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if ((upos + ulen) > arr_len) return (arr_len);
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int arr_pos;
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for (arr_pos = 0; arr_pos < ulen; arr_pos++)
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{
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arr[arr_pos] = arr[upos + arr_pos];
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}
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return (ulen);
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}
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int mangle_omit (char arr[BLOCK_SIZE], int arr_len, int upos, int ulen)
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{
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if (upos >= arr_len) return (arr_len);
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if ((upos + ulen) > arr_len) return (arr_len);
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int arr_pos;
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for (arr_pos = upos; arr_pos < arr_len - ulen; arr_pos++)
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{
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arr[arr_pos] = arr[arr_pos + ulen];
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}
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return (arr_len - ulen);
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}
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int mangle_insert (char arr[BLOCK_SIZE], int arr_len, int upos, char c)
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{
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if (upos > arr_len) return (arr_len);
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if ((arr_len + 1) >= BLOCK_SIZE) return (arr_len);
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int arr_pos;
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for (arr_pos = arr_len - 1; arr_pos > upos - 1; arr_pos--)
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{
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arr[arr_pos + 1] = arr[arr_pos];
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}
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arr[upos] = c;
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return (arr_len + 1);
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}
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int mangle_insert_multi (char arr[BLOCK_SIZE], int arr_len, int arr_pos, char arr2[BLOCK_SIZE], int arr2_len, int arr2_pos, int arr2_cpy)
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{
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if ((arr_len + arr2_cpy) > BLOCK_SIZE) return (RULE_RC_REJECT_ERROR);
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if (arr_pos > arr_len) return (RULE_RC_REJECT_ERROR);
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if (arr2_pos > arr2_len) return (RULE_RC_REJECT_ERROR);
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if ((arr2_pos + arr2_cpy) > arr2_len) return (RULE_RC_REJECT_ERROR);
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if (arr2_cpy < 1) return (RULE_RC_SYNTAX_ERROR);
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memcpy (arr2, arr2 + arr2_pos, arr2_len - arr2_pos);
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memcpy (arr2 + arr2_cpy, arr + arr_pos, arr_len - arr_pos);
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memcpy (arr + arr_pos, arr2, arr_len - arr_pos + arr2_cpy);
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return (arr_len + arr2_cpy);
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}
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int mangle_overstrike (char arr[BLOCK_SIZE], int arr_len, int upos, char c)
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{
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if (upos >= arr_len) return (arr_len);
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arr[upos] = c;
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return (arr_len);
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}
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int mangle_truncate_at (char arr[BLOCK_SIZE], int arr_len, int upos)
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{
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if (upos >= arr_len) return (arr_len);
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memset (arr + upos, 0, arr_len - upos);
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return (upos);
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}
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int mangle_replace (char arr[BLOCK_SIZE], int arr_len, char oldc, char newc)
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{
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int arr_pos;
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for (arr_pos = 0; arr_pos < arr_len; arr_pos++)
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{
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if (arr[arr_pos] != oldc) continue;
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arr[arr_pos] = newc;
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}
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return (arr_len);
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}
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int mangle_purgechar (char arr[BLOCK_SIZE], int arr_len, char c)
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{
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int arr_pos;
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int ret_len;
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for (ret_len = 0, arr_pos = 0; arr_pos < arr_len; arr_pos++)
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{
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if (arr[arr_pos] == c) continue;
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arr[ret_len] = arr[arr_pos];
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ret_len++;
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}
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return (ret_len);
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}
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int mangle_dupeblock_prepend (char arr[BLOCK_SIZE], int arr_len, int ulen)
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{
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if (ulen > arr_len) return (arr_len);
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if ((arr_len + ulen) >= BLOCK_SIZE) return (arr_len);
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char cs[100];
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memcpy (cs, arr, ulen);
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int i;
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for (i = 0; i < ulen; i++)
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{
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char c = cs[i];
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arr_len = mangle_insert (arr, arr_len, i, c);
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}
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return (arr_len);
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}
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int mangle_dupeblock_append (char arr[BLOCK_SIZE], int arr_len, int ulen)
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{
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if (ulen > arr_len) return (arr_len);
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if ((arr_len + ulen) >= BLOCK_SIZE) return (arr_len);
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int upos = arr_len - ulen;
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int i;
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for (i = 0; i < ulen; i++)
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{
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char c = arr[upos + i];
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arr_len = mangle_append (arr, arr_len, c);
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}
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return (arr_len);
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}
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int mangle_dupechar_at (char arr[BLOCK_SIZE], int arr_len, int upos, int ulen)
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{
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if ( arr_len == 0) return (arr_len);
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if ((arr_len + ulen) >= BLOCK_SIZE) return (arr_len);
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char c = arr[upos];
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int i;
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for (i = 0; i < ulen; i++)
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{
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arr_len = mangle_insert (arr, arr_len, upos, c);
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}
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return (arr_len);
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}
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int mangle_dupechar (char arr[BLOCK_SIZE], int arr_len)
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{
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if ( arr_len == 0) return (arr_len);
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if ((arr_len + arr_len) >= BLOCK_SIZE) return (arr_len);
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int arr_pos;
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for (arr_pos = arr_len - 1; arr_pos > -1; arr_pos--)
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{
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int new_pos = arr_pos * 2;
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arr[new_pos] = arr[arr_pos];
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arr[new_pos + 1] = arr[arr_pos];
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}
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return (arr_len * 2);
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}
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int mangle_switch_at_check (char arr[BLOCK_SIZE], int arr_len, int upos, int upos2)
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{
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if (upos >= arr_len) return (arr_len);
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if (upos2 >= arr_len) return (arr_len);
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MANGLE_SWITCH (arr, upos, upos2);
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return (arr_len);
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}
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int mangle_switch_at (char arr[BLOCK_SIZE], int arr_len, int upos, int upos2)
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{
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MANGLE_SWITCH (arr, upos, upos2);
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return (arr_len);
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}
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int mangle_chr_shiftl (u8 arr[BLOCK_SIZE], int arr_len, int upos)
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{
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if (upos >= arr_len) return (arr_len);
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arr[upos] <<= 1;
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return (arr_len);
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}
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int mangle_chr_shiftr (u8 arr[BLOCK_SIZE], int arr_len, int upos)
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{
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if (upos >= arr_len) return (arr_len);
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arr[upos] >>= 1;
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return (arr_len);
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}
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int mangle_chr_incr (u8 arr[BLOCK_SIZE], int arr_len, int upos)
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{
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if (upos >= arr_len) return (arr_len);
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arr[upos] += 1;
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return (arr_len);
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}
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int mangle_chr_decr (u8 arr[BLOCK_SIZE], int arr_len, int upos)
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{
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if (upos >= arr_len) return (arr_len);
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arr[upos] -= 1;
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return (arr_len);
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}
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int mangle_title (char arr[BLOCK_SIZE], int arr_len)
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{
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int upper_next = 1;
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int pos;
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for (pos = 0; pos < arr_len; pos++)
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{
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if (arr[pos] == ' ')
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{
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upper_next = 1;
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continue;
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}
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if (upper_next)
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{
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upper_next = 0;
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MANGLE_UPPER_AT (arr, pos);
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}
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else
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{
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MANGLE_LOWER_AT (arr, pos);
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}
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}
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return (arr_len);
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}
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int generate_random_rule (char *rule_buf, u32 rp_gen_func_min, u32 rp_gen_func_max)
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{
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u32 rp_gen_num = get_random_num (rp_gen_func_min, rp_gen_func_max);
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u32 j;
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u32 rule_pos = 0;
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for (j = 0; j < rp_gen_num; j++)
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{
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u32 r = 0;
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u32 p1 = 0;
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u32 p2 = 0;
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u32 p3 = 0;
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switch ((char) get_random_num (0, 9))
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{
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case 0:
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r = get_random_num (0, sizeof (grp_op_nop));
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rule_buf[rule_pos++] = grp_op_nop[r];
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break;
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case 1:
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r = get_random_num (0, sizeof (grp_op_pos_p0));
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rule_buf[rule_pos++] = grp_op_pos_p0[r];
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p1 = get_random_num (0, sizeof (grp_pos));
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rule_buf[rule_pos++] = grp_pos[p1];
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break;
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case 2:
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r = get_random_num (0, sizeof (grp_op_pos_p1));
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rule_buf[rule_pos++] = grp_op_pos_p1[r];
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p1 = get_random_num (1, 6);
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rule_buf[rule_pos++] = grp_pos[p1];
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break;
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case 3:
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r = get_random_num (0, sizeof (grp_op_chr));
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rule_buf[rule_pos++] = grp_op_chr[r];
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p1 = get_random_num (0x20, 0x7e);
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rule_buf[rule_pos++] = (char) p1;
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break;
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case 4:
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r = get_random_num (0, sizeof (grp_op_chr_chr));
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rule_buf[rule_pos++] = grp_op_chr_chr[r];
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p1 = get_random_num (0x20, 0x7e);
|
|
rule_buf[rule_pos++] = (char) p1;
|
|
p2 = get_random_num (0x20, 0x7e);
|
|
while (p1 == p2)
|
|
p2 = get_random_num (0x20, 0x7e);
|
|
rule_buf[rule_pos++] = (char) p2;
|
|
break;
|
|
|
|
case 5:
|
|
r = get_random_num (0, sizeof (grp_op_pos_chr));
|
|
rule_buf[rule_pos++] = grp_op_pos_chr[r];
|
|
p1 = get_random_num (0, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p1];
|
|
p2 = get_random_num (0x20, 0x7e);
|
|
rule_buf[rule_pos++] = (char) p2;
|
|
break;
|
|
|
|
case 6:
|
|
r = get_random_num (0, sizeof (grp_op_pos_pos0));
|
|
rule_buf[rule_pos++] = grp_op_pos_pos0[r];
|
|
p1 = get_random_num (0, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p1];
|
|
p2 = get_random_num (0, sizeof (grp_pos));
|
|
while (p1 == p2)
|
|
p2 = get_random_num (0, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p2];
|
|
break;
|
|
|
|
case 7:
|
|
r = get_random_num (0, sizeof (grp_op_pos_pos1));
|
|
rule_buf[rule_pos++] = grp_op_pos_pos1[r];
|
|
p1 = get_random_num (0, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p1];
|
|
p2 = get_random_num (1, sizeof (grp_pos));
|
|
while (p1 == p2)
|
|
p2 = get_random_num (1, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p2];
|
|
break;
|
|
|
|
case 8:
|
|
r = get_random_num (0, sizeof (grp_op_pos1_pos2_pos3));
|
|
rule_buf[rule_pos++] = grp_op_pos1_pos2_pos3[r];
|
|
p1 = get_random_num (0, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p1];
|
|
p2 = get_random_num (1, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p1];
|
|
p3 = get_random_num (0, sizeof (grp_pos));
|
|
rule_buf[rule_pos++] = grp_pos[p3];
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (rule_pos);
|
|
}
|
|
|
|
int apply_rule_cpu (char *rule, int rule_len, char in[BLOCK_SIZE], int in_len, char out[BLOCK_SIZE])
|
|
{
|
|
char mem[BLOCK_SIZE];
|
|
|
|
if (in == NULL) return (RULE_RC_REJECT_ERROR);
|
|
|
|
if (out == NULL) return (RULE_RC_REJECT_ERROR);
|
|
|
|
if (in_len < 1) return (RULE_RC_REJECT_ERROR);
|
|
|
|
if (rule_len < 1) return (RULE_RC_REJECT_ERROR);
|
|
|
|
int out_len = in_len;
|
|
int mem_len = in_len;
|
|
|
|
memcpy (out, in, out_len);
|
|
|
|
int rule_pos;
|
|
|
|
for (rule_pos = 0; rule_pos < rule_len; rule_pos++)
|
|
{
|
|
int upos; int upos2;
|
|
int ulen;
|
|
|
|
switch (rule[rule_pos])
|
|
{
|
|
case ' ':
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_NOOP:
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_LREST:
|
|
out_len = mangle_lrest (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_UREST:
|
|
out_len = mangle_urest (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_LREST_UFIRST:
|
|
out_len = mangle_lrest (out, out_len);
|
|
if (out_len) MANGLE_UPPER_AT (out, 0);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_UREST_LFIRST:
|
|
out_len = mangle_urest (out, out_len);
|
|
if (out_len) MANGLE_LOWER_AT (out, 0);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TREST:
|
|
out_len = mangle_trest (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TOGGLE_AT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if (upos < out_len) MANGLE_TOGGLE_AT (out, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REVERSE:
|
|
out_len = mangle_reverse (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEWORD:
|
|
out_len = mangle_double (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEWORD_TIMES:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_double_times (out, out_len, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REFLECT:
|
|
out_len = mangle_reflect (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_ROTATE_LEFT:
|
|
mangle_rotate_left (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_ROTATE_RIGHT:
|
|
mangle_rotate_right (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_APPEND:
|
|
NEXT_RULEPOS (rule_pos);
|
|
out_len = mangle_append (out, out_len, rule[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_PREPEND:
|
|
NEXT_RULEPOS (rule_pos);
|
|
out_len = mangle_prepend (out, out_len, rule[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DELETE_FIRST:
|
|
out_len = mangle_delete_at (out, out_len, 0);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DELETE_LAST:
|
|
out_len = mangle_delete_at (out, out_len, (out_len) ? out_len - 1 : 0);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DELETE_AT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
out_len = mangle_delete_at (out, out_len, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_EXTRACT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_extract (out, out_len, upos, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_OMIT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_omit (out, out_len, upos, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_INSERT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
out_len = mangle_insert (out, out_len, upos, rule[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_OVERSTRIKE:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
out_len = mangle_overstrike (out, out_len, upos, rule[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TRUNCATE_AT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
out_len = mangle_truncate_at (out, out_len, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REPLACE:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
out_len = mangle_replace (out, out_len, rule[rule_pos - 1], rule[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_PURGECHAR:
|
|
NEXT_RULEPOS (rule_pos);
|
|
out_len = mangle_purgechar (out, out_len, rule[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TOGGLECASE_REC:
|
|
/* todo */
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPECHAR_FIRST:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_dupechar_at (out, out_len, 0, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPECHAR_LAST:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_dupechar_at (out, out_len, out_len - 1, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPECHAR_ALL:
|
|
out_len = mangle_dupechar (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEBLOCK_FIRST:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_dupeblock_prepend (out, out_len, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEBLOCK_LAST:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
out_len = mangle_dupeblock_append (out, out_len, ulen);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_SWITCH_FIRST:
|
|
if (out_len >= 2) mangle_switch_at (out, out_len, 0, 1);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_SWITCH_LAST:
|
|
if (out_len >= 2) mangle_switch_at (out, out_len, out_len - 1, out_len - 2);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_SWITCH_AT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos2);
|
|
out_len = mangle_switch_at_check (out, out_len, upos, upos2);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_SHIFTL:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
mangle_chr_shiftl ((u8 *) out, out_len, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_SHIFTR:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
mangle_chr_shiftr ((u8 *) out, out_len, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_INCR:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
mangle_chr_incr ((u8 *) out, out_len, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_DECR:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
mangle_chr_decr ((u8 *) out, out_len, upos);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REPLACE_NP1:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if ((upos >= 0) && ((upos + 1) < out_len)) mangle_overstrike (out, out_len, upos, out[upos + 1]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REPLACE_NM1:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if ((upos >= 1) && ((upos + 0) < out_len)) mangle_overstrike (out, out_len, upos, out[upos - 1]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TITLE:
|
|
mangle_title (out, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_EXTRACT_MEMORY:
|
|
if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, ulen);
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos2);
|
|
if ((out_len = mangle_insert_multi (out, out_len, upos2, mem, mem_len, upos, ulen)) < 1) return (out_len);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_APPEND_MEMORY:
|
|
if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
|
|
if ((out_len + mem_len) > BLOCK_SIZE) return (RULE_RC_REJECT_ERROR);
|
|
memcpy (out + out_len, mem, mem_len);
|
|
out_len += mem_len;
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_PREPEND_MEMORY:
|
|
if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
|
|
if ((mem_len + out_len) > BLOCK_SIZE) return (RULE_RC_REJECT_ERROR);
|
|
memcpy (mem + mem_len, out, out_len);
|
|
out_len += mem_len;
|
|
memcpy (out, mem, out_len);
|
|
break;
|
|
|
|
case RULE_OP_MEMORIZE_WORD:
|
|
memcpy (mem, out, out_len);
|
|
mem_len = out_len;
|
|
break;
|
|
|
|
case RULE_OP_REJECT_LESS:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if (out_len > upos) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_GREATER:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if (out_len < upos) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_CONTAIN:
|
|
NEXT_RULEPOS (rule_pos);
|
|
if (strchr (out, rule[rule_pos]) != NULL) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_NOT_CONTAIN:
|
|
NEXT_RULEPOS (rule_pos);
|
|
if (strchr (out, rule[rule_pos]) == NULL) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_EQUAL_FIRST:
|
|
NEXT_RULEPOS (rule_pos);
|
|
if (out[0] != rule[rule_pos]) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_EQUAL_LAST:
|
|
NEXT_RULEPOS (rule_pos);
|
|
if (out[out_len - 1] != rule[rule_pos]) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_EQUAL_AT:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if ((upos + 1) > out_len) return (RULE_RC_REJECT_ERROR);
|
|
NEXT_RULEPOS (rule_pos);
|
|
if (out[upos] != rule[rule_pos]) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_CONTAINS:
|
|
NEXT_RULEPOS (rule_pos);
|
|
NEXT_RPTOI (rule, rule_pos, upos);
|
|
if ((upos + 1) > out_len) return (RULE_RC_REJECT_ERROR);
|
|
NEXT_RULEPOS (rule_pos);
|
|
int c; int cnt; for (c = 0, cnt = 0; c < out_len; c++) if (out[c] == rule[rule_pos]) cnt++;
|
|
if (cnt < upos) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
case RULE_OP_REJECT_MEMORY:
|
|
if ((out_len == mem_len) && (memcmp (out, mem, out_len) == 0)) return (RULE_RC_REJECT_ERROR);
|
|
break;
|
|
|
|
default:
|
|
return (RULE_RC_SYNTAX_ERROR);
|
|
break;
|
|
}
|
|
|
|
max_len = (out_len > max_len) ? out_len : max_len;
|
|
}
|
|
|
|
memset (out + out_len, 0, BLOCK_SIZE - out_len);
|
|
|
|
return (out_len);
|
|
}
|
|
|
|
int cpu_rule_to_kernel_rule (char *rule_buf, uint rule_len, kernel_rule_t *rule)
|
|
{
|
|
uint rule_pos;
|
|
uint rule_cnt;
|
|
|
|
for (rule_pos = 0, rule_cnt = 0; rule_pos < rule_len && rule_cnt < MAX_GPU_RULES; rule_pos++, rule_cnt++)
|
|
{
|
|
switch (rule_buf[rule_pos])
|
|
{
|
|
case ' ':
|
|
rule_cnt--;
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_NOOP:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_LREST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_UREST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_LREST_UFIRST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_UREST_LFIRST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TREST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TOGGLE_AT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REVERSE:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEWORD:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEWORD_TIMES:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REFLECT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_ROTATE_LEFT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_ROTATE_RIGHT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_APPEND:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0 (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_PREPEND:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0 (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DELETE_FIRST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DELETE_LAST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DELETE_AT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_EXTRACT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
SET_P1_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_OMIT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
SET_P1_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_INSERT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
SET_P1 (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_OVERSTRIKE:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
SET_P1 (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TRUNCATE_AT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REPLACE:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0 (rule, rule_buf[rule_pos]);
|
|
SET_P1 (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_PURGECHAR:
|
|
return (-1);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TOGGLECASE_REC:
|
|
return (-1);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPECHAR_FIRST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPECHAR_LAST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPECHAR_ALL:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_SWITCH_FIRST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_SWITCH_LAST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_SWITCH_AT:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
SET_P1_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_SHIFTL:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_SHIFTR:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_INCR:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_CHR_DECR:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REPLACE_NP1:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_REPLACE_NM1:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEBLOCK_FIRST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_DUPEBLOCK_LAST:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
SET_P0_CONV (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
case RULE_OP_MANGLE_TITLE:
|
|
SET_NAME (rule, rule_buf[rule_pos]);
|
|
break;
|
|
|
|
default:
|
|
return (-1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (rule_pos < rule_len) return (-1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* rules common
|
|
*/
|
|
|
|
bool class_num (char c)
|
|
{
|
|
return ((c >= '0') && (c <= '9'));
|
|
}
|
|
|
|
bool class_lower (char c)
|
|
{
|
|
return ((c >= 'a') && (c <= 'z'));
|
|
}
|
|
|
|
bool class_upper (char c)
|
|
{
|
|
return ((c >= 'A') && (c <= 'Z'));
|
|
}
|
|
|
|
bool class_alpha (char c)
|
|
{
|
|
return (class_lower (c) || class_upper (c));
|
|
}
|
|
|
|
char conv_ctoi (char c)
|
|
{
|
|
if (class_num (c))
|
|
{
|
|
return c - '0';
|
|
}
|
|
else if (class_upper (c))
|
|
{
|
|
return c - 'A' + (char) 10;
|
|
}
|
|
|
|
return (char) (-1);
|
|
}
|
|
|
|
char conv_itoc (char c)
|
|
{
|
|
if (c < 10)
|
|
{
|
|
return c + '0';
|
|
}
|
|
else if (c < 37)
|
|
{
|
|
return c + 'A' - (char) 10;
|
|
}
|
|
|
|
return (char) (-1);
|
|
}
|
|
|
|
uint get_random_num (uint min, uint max)
|
|
{
|
|
if (min == max) return (min);
|
|
|
|
uint data;
|
|
|
|
FILE *fp = fopen("/dev/urandom", "rb");
|
|
|
|
if (fp == NULL) exit (1);
|
|
|
|
if ((fread (&data, 1, sizeof (uint), fp)) != sizeof (uint))
|
|
{
|
|
exit (1);
|
|
}
|
|
|
|
fclose (fp);
|
|
|
|
return (uint) ((data % (max - min)) + min);
|
|
}
|