req_resp_hdrs.h

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#ifndef __REQ_RESP_HDRS_H__
#define __REQ_RESP_HDRS_H__
 
#include "ws_symbol_export.h"
#include "wsutil/strtoi.h"
 
WS_DLL_PUBLIC bool
req_resp_hdrs_do_reassembly(tvbuff_t *tvb, const  int offset, packet_info *pinfo,
    const bool desegment_headers, const bool desegment_body,
    bool desegment_until_fin, int *last_chunk_offset,
    dissector_table_t streaming_subdissector_table, dissector_handle_t *streaming_chunk_handle);
 
static inline bool
starts_with_chunk_size(tvbuff_t* tvb, const int offset, packet_info* pinfo)
{
    unsigned chunk_size = 0;
    int linelen = tvb_find_line_end(tvb, offset, tvb_reported_length_remaining(tvb, offset), NULL, true);
 
    if (linelen < 0)
        return false;
 
    char* chunk_string = tvb_get_string_enc(pinfo->pool, tvb, offset, linelen, ENC_ASCII);
    char* c = chunk_string;
 
    /* ignore extensions, including optional BWS ("bad whitespace")
         * in the grammar for historical reasons, see RFC 9112 7.1.1.
         */
    if ((c = strpbrk(c, "; \t"))) {
        *c = '\0';
    }
 
        if (!ws_hexstrtou32(chunk_string, NULL, &chunk_size)) {
        return false; /* can not get chunk size*/
    } else if (chunk_size > (1U << 31)) {
        return false; /* chunk size is unreasonable */
    }
    return true;
}
 
#endif