message-binary-part.c revision 02c335c23bf5fa225a467c19f2c063fb0dc7b8c3
02c335c23bf5fa225a467c19f2c063fb0dc7b8c3Timo Sirainen/* Copyright (c) 2013-2016 Dovecot authors, see the included COPYING file */
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen#include "lib.h"
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen#include "numpack.h"
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen#include "message-binary-part.h"
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainenvoid message_binary_part_serialize(const struct message_binary_part *parts,
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen buffer_t *dest)
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen{
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen const struct message_binary_part *part;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen for (part = parts; part != NULL; part = part->next) {
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen numpack_encode(dest, part->physical_pos);
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen numpack_encode(dest, part->binary_hdr_size);
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen numpack_encode(dest, part->binary_body_size);
e53ab6c7081246c865917f9aa0eff031a08ad1e7Timo Sirainen numpack_encode(dest, part->binary_body_lines_count);
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen }
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen}
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainenint message_binary_part_deserialize(pool_t pool, const void *data, size_t size,
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen struct message_binary_part **parts_r)
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen{
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen const uint8_t *p = data, *end = p + size;
e53ab6c7081246c865917f9aa0eff031a08ad1e7Timo Sirainen uint64_t n1, n2, n3, n4;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen struct message_binary_part *part = NULL, *prev_part = NULL;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen while (p != end) {
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen part = p_new(pool, struct message_binary_part, 1);
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen part->next = prev_part;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen prev_part = part;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen if (numpack_decode(&p, end, &n1) < 0 ||
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen numpack_decode(&p, end, &n2) < 0 ||
e53ab6c7081246c865917f9aa0eff031a08ad1e7Timo Sirainen numpack_decode(&p, end, &n3) < 0 ||
e53ab6c7081246c865917f9aa0eff031a08ad1e7Timo Sirainen numpack_decode(&p, end, &n4) < 0)
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen return -1;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen part->physical_pos = n1;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen part->binary_hdr_size = n2;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen part->binary_body_size = n3;
e53ab6c7081246c865917f9aa0eff031a08ad1e7Timo Sirainen part->binary_body_lines_count = n4;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen }
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen *parts_r = part;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen return 0;
6e8f0036cad59d1d6bcd9ef69bfe712d01656ca3Timo Sirainen}