Lines Matching refs:pkt
16 int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
18 if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
21 pkt->written += len;
22 pkt->curr += len;
26 int WPACKET_sub_allocate_bytes__(WPACKET *pkt, size_t len,
29 if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
30 || !WPACKET_allocate_bytes(pkt, len, allocbytes)
31 || !WPACKET_close(pkt))
43 int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
46 if (!ossl_assert(pkt->subs != NULL && len != 0))
49 if (pkt->maxsize - pkt->written < len)
52 if (pkt->buf != NULL && (pkt->buf->length - pkt->written < len)) {
56 reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
65 if (BUF_MEM_grow(pkt->buf, newlen) == 0)
69 *allocbytes = WPACKET_get_curr(pkt);
70 if (pkt->endfirst && *allocbytes != NULL)
77 int WPACKET_sub_reserve_bytes__(WPACKET *pkt, size_t len,
80 if (pkt->endfirst && lenbytes > 0)
83 if (!WPACKET_reserve_bytes(pkt, lenbytes + len, allocbytes))
100 static int wpacket_intern_init_len(WPACKET *pkt, size_t lenbytes)
104 pkt->curr = 0;
105 pkt->written = 0;
107 if ((pkt->subs = OPENSSL_zalloc(sizeof(*pkt->subs))) == NULL) {
115 pkt->subs->pwritten = lenbytes;
116 pkt->subs->lenbytes = lenbytes;
118 if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars)) {
119 OPENSSL_free(pkt->subs);
120 pkt->subs = NULL;
123 pkt->subs->packet_len = 0;
128 int WPACKET_init_static_len(WPACKET *pkt, unsigned char *buf, size_t len,
137 pkt->staticbuf = buf;
138 pkt->buf = NULL;
139 pkt->maxsize = (max < len) ? max : len;
140 pkt->endfirst = 0;
142 return wpacket_intern_init_len(pkt, lenbytes);
145 int WPACKET_init_der(WPACKET *pkt, unsigned char *buf, size_t len)
151 pkt->staticbuf = buf;
152 pkt->buf = NULL;
153 pkt->maxsize = len;
154 pkt->endfirst = 1;
156 return wpacket_intern_init_len(pkt, 0);
159 int WPACKET_init_len(WPACKET *pkt, BUF_MEM *buf, size_t lenbytes)
165 pkt->staticbuf = NULL;
166 pkt->buf = buf;
167 pkt->maxsize = maxmaxsize(lenbytes);
168 pkt->endfirst = 0;
170 return wpacket_intern_init_len(pkt, lenbytes);
173 int WPACKET_init(WPACKET *pkt, BUF_MEM *buf)
175 return WPACKET_init_len(pkt, buf, 0);
178 int WPACKET_init_null(WPACKET *pkt, size_t lenbytes)
180 pkt->staticbuf = NULL;
181 pkt->buf = NULL;
182 pkt->maxsize = maxmaxsize(lenbytes);
183 pkt->endfirst = 0;
185 return wpacket_intern_init_len(pkt, 0);
188 int WPACKET_init_null_der(WPACKET *pkt)
190 pkt->staticbuf = NULL;
191 pkt->buf = NULL;
192 pkt->maxsize = SIZE_MAX;
193 pkt->endfirst = 1;
195 return wpacket_intern_init_len(pkt, 0);
198 int WPACKET_set_flags(WPACKET *pkt, unsigned int flags)
201 if (!ossl_assert(pkt->subs != NULL))
204 pkt->subs->flags = flags;
235 static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose)
237 size_t packlen = pkt->written - sub->pwritten;
250 if ((pkt->curr - sub->lenbytes) == sub->packet_len) {
251 pkt->written -= sub->lenbytes;
252 pkt->curr -= sub->lenbytes;
262 unsigned char *buf = GETBUF(pkt);
268 } else if (pkt->endfirst && sub->parent != NULL
277 if (!WPACKET_put_bytes__(pkt, packlen, numlenbytes))
281 if (!WPACKET_put_bytes_u8(pkt, numlenbytes))
287 pkt->subs = sub->parent;
294 int WPACKET_fill_lengths(WPACKET *pkt)
298 if (!ossl_assert(pkt->subs != NULL))
301 for (sub = pkt->subs; sub != NULL; sub = sub->parent) {
302 if (!wpacket_intern_close(pkt, sub, 0))
309 int WPACKET_close(WPACKET *pkt)
315 if (pkt->subs == NULL || pkt->subs->parent == NULL)
318 return wpacket_intern_close(pkt, pkt->subs, 1);
321 int WPACKET_finish(WPACKET *pkt)
329 if (pkt->subs == NULL || pkt->subs->parent != NULL)
332 ret = wpacket_intern_close(pkt, pkt->subs, 1);
334 OPENSSL_free(pkt->subs);
335 pkt->subs = NULL;
341 int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
347 if (!ossl_assert(pkt->subs != NULL))
351 if (lenbytes > 0 && pkt->endfirst)
359 sub->parent = pkt->subs;
360 pkt->subs = sub;
361 sub->pwritten = pkt->written + lenbytes;
369 sub->packet_len = pkt->written;
371 if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))
377 int WPACKET_start_sub_packet(WPACKET *pkt)
379 return WPACKET_start_sub_packet_len__(pkt, 0);
382 int WPACKET_put_bytes__(WPACKET *pkt, uint64_t val, size_t size)
388 || !WPACKET_allocate_bytes(pkt, size, &data)
395 int WPACKET_set_max_size(WPACKET *pkt, size_t maxsize)
401 if (!ossl_assert(pkt->subs != NULL))
405 for (sub = pkt->subs; sub->parent != NULL; sub = sub->parent)
410 lenbytes = sizeof(pkt->maxsize);
412 if (maxmaxsize(lenbytes) < maxsize || maxsize < pkt->written)
415 pkt->maxsize = maxsize;
420 int WPACKET_memset(WPACKET *pkt, int ch, size_t len)
427 if (!WPACKET_allocate_bytes(pkt, len, &dest))
436 int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
443 if (!WPACKET_allocate_bytes(pkt, len, &dest))
452 int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,
455 if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
456 || !WPACKET_memcpy(pkt, src, len)
457 || !WPACKET_close(pkt))
463 int WPACKET_get_total_written(WPACKET *pkt, size_t *written)
469 *written = pkt->written;
474 int WPACKET_get_length(WPACKET *pkt, size_t *len)
477 if (!ossl_assert(pkt->subs != NULL && len != NULL))
480 *len = pkt->written - pkt->subs->pwritten;
485 unsigned char *WPACKET_get_curr(WPACKET *pkt)
487 unsigned char *buf = GETBUF(pkt);
492 if (pkt->endfirst)
493 return buf + pkt->maxsize - pkt->curr;
495 return buf + pkt->curr;
498 int WPACKET_is_null_buf(WPACKET *pkt)
500 return pkt->buf == NULL && pkt->staticbuf == NULL;
503 void WPACKET_cleanup(WPACKET *pkt)
507 for (sub = pkt->subs; sub != NULL; sub = parent) {
511 pkt->subs = NULL;