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100 lines
2.1 KiB
100 lines
2.1 KiB
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "logging.h"
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#include "debugfile.h"
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int debugfile_init (debugfile_ctx_t *debugfile_ctx, const uint debug_mode, const char *debug_file)
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{
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if (debug_mode == 0) return 0;
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if (debug_file == NULL) return 0;
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debugfile_ctx->mode = debug_mode;
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debugfile_ctx->filename = (char *) debug_file;
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debugfile_ctx->fp = fopen (debugfile_ctx->filename, "ab");
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if (debugfile_ctx->fp == NULL)
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{
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log_error ("ERROR: Could not open debug-file for writing");
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return -1;
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}
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return 0;
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}
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void debugfile_destroy (debugfile_ctx_t *debugfile_ctx)
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{
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if (debugfile_ctx->fp == NULL) return;
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fclose (debugfile_ctx->fp);
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}
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void debugfile_format_plain (debugfile_ctx_t *debugfile_ctx, const u8 *plain_ptr, const u32 plain_len)
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{
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int needs_hexify = 0;
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for (uint i = 0; i < plain_len; i++)
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{
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if (plain_ptr[i] < 0x20)
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{
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needs_hexify = 1;
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break;
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}
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if (plain_ptr[i] > 0x7f)
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{
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needs_hexify = 1;
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break;
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}
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}
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if (needs_hexify == 1)
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{
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fprintf (debugfile_ctx->fp, "$HEX[");
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for (uint i = 0; i < plain_len; i++)
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{
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fprintf (debugfile_ctx->fp, "%02x", plain_ptr[i]);
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}
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fprintf (debugfile_ctx->fp, "]");
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}
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else
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{
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fwrite (plain_ptr, plain_len, 1, debugfile_ctx->fp);
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}
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}
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void debugfile_write_append (debugfile_ctx_t *debugfile_ctx, const u8 *rule_buf, const u32 rule_len, const u8 *mod_plain_ptr, const u32 mod_plain_len, const u8 *orig_plain_ptr, const u32 orig_plain_len)
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{
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const uint debug_mode = debugfile_ctx->mode;
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if ((debug_mode == 2) || (debug_mode == 3) || (debug_mode == 4))
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{
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debugfile_format_plain (debugfile_ctx, orig_plain_ptr, orig_plain_len);
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if ((debug_mode == 3) || (debug_mode == 4)) fputc (':', debugfile_ctx->fp);
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}
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fwrite (rule_buf, rule_len, 1, debugfile_ctx->fp);
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if (debug_mode == 4)
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{
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fputc (':', debugfile_ctx->fp);
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debugfile_format_plain (debugfile_ctx, mod_plain_ptr, mod_plain_len);
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}
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fputc ('\n', debugfile_ctx->fp);
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}
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