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83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/* radare - LGPL - Copyright 2010-2011 pancake<nopcode.org> */
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#include <r_search.h>
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R_API RSearchKeyword* r_search_keyword_new(const ut8 *kw, int kwlen, const ut8 *bm, int bmlen, const char *data) {
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RSearchKeyword *k;
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if (kwlen<1 || bmlen<0 || (kwlen >=sizeof (k->keyword)) || (bmlen >= sizeof (k->binmask)))
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return NULL;
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if (bm == NULL)
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bm = (const ut8*) "";
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if ((k = R_NEW (RSearchKeyword))) {
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k->icase = 0;
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memcpy (k->keyword, kw, kwlen);
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k->keyword_length = kwlen;
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memcpy (k->bin_keyword, kw, kwlen);
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if (bm && bmlen>0) {
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//memcpy (k->binmask, bm, bmlen);
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// XXX Fix this conversion.. r_hex_str.. ?
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snprintf (k->binmask, sizeof (k->binmask),
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"%02x%02x%02x..", bm[0], bm[1], bm[2]);
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memcpy (k->bin_binmask, bm, bmlen);
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k->binmask_length = bmlen;
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} else k->binmask[0] = k->binmask_length = 0;
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}
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return k;
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}
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R_API RSearchKeyword* r_search_keyword_new_str(const char *kw, const char *bmhex, const char *data, int icase) {
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RSearchKeyword *ks = NULL;
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int bmlen = 0;
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ut8 *bm = NULL;
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if (bmhex != NULL) {
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bm = malloc (strlen (bmhex));
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if (bm != NULL) {
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bmlen = r_hex_str2bin (bmhex, (ut8*)bm);
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if (bmlen<1) {
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free (bm);
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bm = NULL;
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}
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}
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}
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ks = r_search_keyword_new ((ut8 *)kw, strlen (kw), bm, bmlen, data);
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if (ks) ks->icase = icase;
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free (bm);
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return ks;
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}
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R_API RSearchKeyword* r_search_keyword_new_hex(const char *kwstr, const char *bmstr, const char *data) {
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RSearchKeyword *ks = NULL;
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ut8 *kw, *bm;
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int bmlen, kwlen;
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if (kwstr != NULL) {
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kw = malloc (strlen (kwstr));
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bm = malloc (strlen (bmstr));
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if (kw != NULL && bm != NULL) {
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bmlen = r_hex_str2bin (bmstr, (ut8*)bm);
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kwlen = r_hex_str2bin (kwstr, (ut8*)kw);
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if (bmlen>=0 && kwlen>0)
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ks = r_search_keyword_new (kw, kwlen, bm, bmlen, data);
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}
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free (kw);
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free (bm);
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}
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return ks;
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}
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R_API RSearchKeyword* r_search_keyword_new_hexmask(const char *kwstr, const char *data) {
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RSearchKeyword *ks = NULL;
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ut8 *kw, *bm;
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if (kwstr != NULL) {
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int len = strlen (kwstr);
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kw = malloc (len);
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bm = malloc (len);
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if (kw != NULL && bm != NULL) {
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if ((len = r_hex_str2binmask (kwstr, (ut8*)kw, (ut8*)bm))>0)
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ks = r_search_keyword_new (kw, len, bm, len, data);
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}
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free (kw);
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free (bm);
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}
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return ks;
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}
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