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105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* Copyright (C) 2017-2019 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*/
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#include "suricata-common.h"
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#include "conf.h"
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#include "datasets.h"
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#include "datasets-string.h"
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#include "util-thash.h"
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#include "util-print.h"
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#include "util-crypt.h" // encode base64
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#include "util-base64.h" // decode base64
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#if 0
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static int StringAsAscii(const void *s, char *out, size_t out_size)
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{
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const StringType *str = s;
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uint32_t offset = 0;
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PrintRawUriBuf(out, &offset, out_size, str->ptr, str->len);
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if (out[0] == '\0')
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return 0;
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strlcat(out, "\n", out_size);
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return strlen(out);
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}
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#endif
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int StringAsBase64(const void *s, char *out, size_t out_size)
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{
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const StringType *str = s;
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unsigned long len = out_size;
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uint8_t encoded_data[str->len * 2];
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if (Base64Encode((unsigned char *)str->ptr, str->len,
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encoded_data, &len) != SC_BASE64_OK)
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return 0;
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strlcpy(out, (const char *)encoded_data, out_size);
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strlcat(out, "\n", out_size);
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return strlen(out);
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}
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int StringSet(void *dst, void *src)
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{
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StringType *src_s = src;
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StringType *dst_s = dst;
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SCLogDebug("dst %p src %p, src_s->ptr %p src_s->len %u", dst, src, src_s->ptr, src_s->len);
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dst_s->len = src_s->len;
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dst_s->ptr = SCMalloc(dst_s->len);
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BUG_ON(dst_s->ptr == NULL);
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memcpy(dst_s->ptr, src_s->ptr, dst_s->len);
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dst_s->rep = src_s->rep;
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SCLogDebug("dst %p src %p, dst_s->ptr %p dst_s->len %u", dst, src, dst_s->ptr, dst_s->len);
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return 0;
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}
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bool StringCompare(void *a, void *b)
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{
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const StringType *as = a;
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const StringType *bs = b;
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if (as->len != bs->len)
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return false;
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return (memcmp(as->ptr, bs->ptr, as->len) == 0);
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}
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uint32_t StringHash(void *s)
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{
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uint32_t hash = 5381;
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int c;
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while ((c = *(char *)s++))
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hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
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return hash;
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}
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// base data stays in hash
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void StringFree(void *s)
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{
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StringType *str = s;
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SCFree(str->ptr);
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}
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