OpenCoverage

ssl3_record.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/ssl/record/ssl3_record.c
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1/*-
2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
4 * Licensed under the OpenSSL license (the "License"). You may not use-
5 * this file except in compliance with the License. You can obtain a copy-
6 * in the file LICENSE in the source distribution or at-
7 * https://www.openssl.org/source/license.html-
8 */-
9-
10#include "../ssl_locl.h"-
11#include "internal/constant_time_locl.h"-
12#include <openssl/rand.h>-
13#include "record_locl.h"-
14#include "internal/cryptlib.h"-
15-
16static const unsigned char ssl3_pad_1[48] = {-
17 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,-
18 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,-
19 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,-
20 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,-
21 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,-
22 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36-
23};-
24-
25static const unsigned char ssl3_pad_2[48] = {-
26 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,-
27 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,-
28 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,-
29 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,-
30 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,-
31 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c-
32};-
33-
34/*-
35 * Clear the contents of an SSL3_RECORD but retain any memory allocated-
36 */-
37void SSL3_RECORD_clear(SSL3_RECORD *r, size_t num_recs)-
38{-
39 unsigned char *comp;-
40 size_t i;-
41-
42 for (i = 0; i < num_recs; i++) {
i < num_recsDescription
TRUEevaluated 784736 times by 2 tests
Evaluated by:
  • libssl.so.1.1
  • tls13encryptiontest
FALSEevaluated 24523 times by 2 tests
Evaluated by:
  • libssl.so.1.1
  • tls13encryptiontest
24523-784736
43 comp = r[i].comp;-
44-
45 memset(&r[i], 0, sizeof(*r));-
46 r[i].comp = comp;-
47 }
executed 784736 times by 2 tests: end of block
Executed by:
  • libssl.so.1.1
  • tls13encryptiontest
784736
48}
executed 24523 times by 2 tests: end of block
Executed by:
  • libssl.so.1.1
  • tls13encryptiontest
24523
49-
50void SSL3_RECORD_release(SSL3_RECORD *r, size_t num_recs)-
51{-
52 size_t i;-
53-
54 for (i = 0; i < num_recs; i++) {
i < num_recsDescription
TRUEevaluated 265472 times by 2 tests
Evaluated by:
  • libssl.so.1.1
  • tls13encryptiontest
FALSEevaluated 8296 times by 2 tests
Evaluated by:
  • libssl.so.1.1
  • tls13encryptiontest
8296-265472
55 OPENSSL_free(r[i].comp);-
56 r[i].comp = NULL;-
57 }
executed 265472 times by 2 tests: end of block
Executed by:
  • libssl.so.1.1
  • tls13encryptiontest
265472
58}
executed 8296 times by 2 tests: end of block
Executed by:
  • libssl.so.1.1
  • tls13encryptiontest
8296
59-
60void SSL3_RECORD_set_seq_num(SSL3_RECORD *r, const unsigned char *seq_num)-
61{-
62 memcpy(r->seq_num, seq_num, SEQ_NUM_SIZE);-
63}
executed 3418 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
3418
64-
65/*-
66 * Peeks ahead into "read_ahead" data to see if we have a whole record waiting-
67 * for us in the buffer.-
68 */-
69static int ssl3_record_app_data_waiting(SSL *s)-
70{-
71 SSL3_BUFFER *rbuf;-
72 size_t left, len;-
73 unsigned char *p;-
74-
75 rbuf = RECORD_LAYER_get_rbuf(&s->rlayer);-
76-
77 p = SSL3_BUFFER_get_buf(rbuf);-
78 if (p == NULL)
p == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
79 return 0;
never executed: return 0;
0
80-
81 left = SSL3_BUFFER_get_left(rbuf);-
82-
83 if (left < SSL3_RT_HEADER_LENGTH)
left < 5Description
TRUEnever evaluated
FALSEnever evaluated
0
84 return 0;
never executed: return 0;
0
85-
86 p += SSL3_BUFFER_get_offset(rbuf);-
87-
88 /*-
89 * We only check the type and record length, we will sanity check version-
90 * etc later-
91 */-
92 if (*p != SSL3_RT_APPLICATION_DATA)
*p != 23Description
TRUEnever evaluated
FALSEnever evaluated
0
93 return 0;
never executed: return 0;
0
94-
95 p += 3;-
96 n2s(p, len);-
97-
98 if (left < SSL3_RT_HEADER_LENGTH + len)
left < 5 + lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
99 return 0;
never executed: return 0;
0
100-
101 return 1;
never executed: return 1;
0
102}-
103-
104int early_data_count_ok(SSL *s, size_t length, size_t overhead, int send)-
105{-
106 uint32_t max_early_data;-
107 SSL_SESSION *sess = s->session;-
108-
109 /*-
110 * If we are a client then we always use the max_early_data from the-
111 * session/psksession. Otherwise we go with the lowest out of the max early-
112 * data set in the session and the configured max_early_data.-
113 */-
114 if (!s->server && sess->ext.max_early_data == 0) {
!s->serverDescription
TRUEevaluated 53 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10812 times by 1 test
Evaluated by:
  • libssl.so.1.1
sess->ext.max_early_data == 0Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libssl.so.1.1
12-10812
115 if (!ossl_assert(s->psksession != NULL
!((s->psksessi...ata > 0) != 0)Description
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
  • libssl.so.1.1
s->psksession != ((void *)0)Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
s->psksession-...early_data > 0Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-12
116 && s->psksession->ext.max_early_data > 0)) {-
117 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_EARLY_DATA_COUNT_OK,-
118 ERR_R_INTERNAL_ERROR);-
119 return 0;
never executed: return 0;
0
120 }-
121 sess = s->psksession;-
122 }
executed 12 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
12
123-
124 if (!s->server)
!s->serverDescription
TRUEevaluated 53 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10812 times by 1 test
Evaluated by:
  • libssl.so.1.1
53-10812
125 max_early_data = sess->ext.max_early_data;
executed 53 times by 1 test: max_early_data = sess->ext.max_early_data;
Executed by:
  • libssl.so.1.1
53
126 else if (s->ext.early_data != SSL_EARLY_DATA_ACCEPTED)
s->ext.early_data != 2Description
TRUEevaluated 10791 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 21 times by 1 test
Evaluated by:
  • libssl.so.1.1
21-10791
127 max_early_data = s->recv_max_early_data;
executed 10791 times by 1 test: max_early_data = s->recv_max_early_data;
Executed by:
  • libssl.so.1.1
10791
128 else-
129 max_early_data = s->recv_max_early_data < sess->ext.max_early_data
executed 21 times by 1 test: max_early_data = s->recv_max_early_data < sess->ext.max_early_data ? s->recv_max_early_data : sess->ext.max_early_data;
Executed by:
  • libssl.so.1.1
s->recv_max_ea...max_early_dataDescription
TRUEnever evaluated
FALSEevaluated 21 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-21
130 ? s->recv_max_early_data : sess->ext.max_early_data;
executed 21 times by 1 test: max_early_data = s->recv_max_early_data < sess->ext.max_early_data ? s->recv_max_early_data : sess->ext.max_early_data;
Executed by:
  • libssl.so.1.1
21
131-
132 if (max_early_data == 0) {
max_early_data == 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10862 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-10862
133 SSLfatal(s, send ? SSL_AD_INTERNAL_ERROR : SSL_AD_UNEXPECTED_MESSAGE,-
134 SSL_F_EARLY_DATA_COUNT_OK, SSL_R_TOO_MUCH_EARLY_DATA);-
135 return 0;
executed 3 times by 1 test: return 0;
Executed by:
  • libssl.so.1.1
3
136 }-
137-
138 /* If we are dealing with ciphertext we need to allow for the overhead */-
139 max_early_data += overhead;-
140-
141 if (s->early_data_count + length > max_early_data) {
s->early_data_...max_early_dataDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10860 times by 1 test
Evaluated by:
  • libssl.so.1.1
2-10860
142 SSLfatal(s, send ? SSL_AD_INTERNAL_ERROR : SSL_AD_UNEXPECTED_MESSAGE,-
143 SSL_F_EARLY_DATA_COUNT_OK, SSL_R_TOO_MUCH_EARLY_DATA);-
144 return 0;
executed 2 times by 1 test: return 0;
Executed by:
  • libssl.so.1.1
2
145 }-
146 s->early_data_count += length;-
147-
148 return 1;
executed 10860 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
10860
149}-
150-
151/*-
152 * MAX_EMPTY_RECORDS defines the number of consecutive, empty records that-
153 * will be processed per call to ssl3_get_record. Without this limit an-
154 * attacker could send empty records at a faster rate than we can process and-
155 * cause ssl3_get_record to loop forever.-
156 */-
157#define MAX_EMPTY_RECORDS 32-
158-
159#define SSL2_RT_HEADER_LENGTH 2-
160/*--
161 * Call this to get new input records.-
162 * It will return <= 0 if more data is needed, normally due to an error-
163 * or non-blocking IO.-
164 * When it finishes, |numrpipes| records have been decoded. For each record 'i':-
165 * rr[i].type - is the type of record-
166 * rr[i].data, - data-
167 * rr[i].length, - number of bytes-
168 * Multiple records will only be returned if the record types are all-
169 * SSL3_RT_APPLICATION_DATA. The number of records returned will always be <=-
170 * |max_pipelines|-
171 */-
172/* used only by ssl3_read_bytes */-
173int ssl3_get_record(SSL *s)-
174{-
175 int enc_err, rret;-
176 int i;-
177 size_t more, n;-
178 SSL3_RECORD *rr, *thisrr;-
179 SSL3_BUFFER *rbuf;-
180 SSL_SESSION *sess;-
181 unsigned char *p;-
182 unsigned char md[EVP_MAX_MD_SIZE];-
183 unsigned int version;-
184 size_t mac_size;-
185 int imac_size;-
186 size_t num_recs = 0, max_recs, j;-
187 PACKET pkt, sslv2pkt;-
188 size_t first_rec_len;-
189-
190 rr = RECORD_LAYER_get_rrec(&s->rlayer);-
191 rbuf = RECORD_LAYER_get_rbuf(&s->rlayer);-
192 max_recs = s->max_pipelines;-
193 if (max_recs == 0)
max_recs == 0Description
TRUEevaluated 80271 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-80271
194 max_recs = 1;
executed 80271 times by 1 test: max_recs = 1;
Executed by:
  • libssl.so.1.1
80271
195 sess = s->session;-
196-
197 do {-
198 thisrr = &rr[num_recs];-
199-
200 /* check if we have the header */-
201 if ((RECORD_LAYER_get_rstate(&s->rlayer) != SSL_ST_READ_BODY) ||
(((&s->rlayer)...tate) != 0xF1)Description
TRUEevaluated 74994 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5277 times by 1 test
Evaluated by:
  • libssl.so.1.1
5277-74994
202 (RECORD_LAYER_get_packet_length(&s->rlayer)
(((&s->rlayer)...t_length) < 5)Description
TRUEnever evaluated
FALSEevaluated 5277 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-5277
203 < SSL3_RT_HEADER_LENGTH)) {
(((&s->rlayer)...t_length) < 5)Description
TRUEnever evaluated
FALSEevaluated 5277 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-5277
204 size_t sslv2len;-
205 unsigned int type;-
206-
207 rret = ssl3_read_n(s, SSL3_RT_HEADER_LENGTH,-
208 SSL3_BUFFER_get_len(rbuf), 0,-
209 num_recs == 0 ? 1 : 0, &n);-
210 if (rret <= 0)
rret <= 0Description
TRUEevaluated 23243 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 51751 times by 1 test
Evaluated by:
  • libssl.so.1.1
23243-51751
211 return rret; /* error or non-blocking */
executed 23243 times by 1 test: return rret;
Executed by:
  • libssl.so.1.1
23243
212 RECORD_LAYER_set_rstate(&s->rlayer, SSL_ST_READ_BODY);-
213-
214 p = RECORD_LAYER_get_packet(&s->rlayer);-
215 if (!PACKET_buf_init(&pkt, RECORD_LAYER_get_packet(&s->rlayer),
!PACKET_buf_in...acket_length))Description
TRUEnever evaluated
FALSEevaluated 51751 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51751
216 RECORD_LAYER_get_packet_length(&s->rlayer))) {
!PACKET_buf_in...acket_length))Description
TRUEnever evaluated
FALSEevaluated 51751 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51751
217 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GET_RECORD,-
218 ERR_R_INTERNAL_ERROR);-
219 return -1;
never executed: return -1;
0
220 }-
221 sslv2pkt = pkt;-
222 if (!PACKET_get_net_2_len(&sslv2pkt, &sslv2len)
!PACKET_get_ne...kt, &sslv2len)Description
TRUEnever evaluated
FALSEevaluated 51751 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51751
223 || !PACKET_get_1(&sslv2pkt, &type)) {
!PACKET_get_1(...lv2pkt, &type)Description
TRUEnever evaluated
FALSEevaluated 51751 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51751
224 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL3_GET_RECORD,-
225 ERR_R_INTERNAL_ERROR);-
226 return -1;
never executed: return -1;
0
227 }-
228 /*-
229 * The first record received by the server may be a V2ClientHello.-
230 */-
231 if (s->server && RECORD_LAYER_is_first_record(&s->rlayer)
s->serverDescription
TRUEevaluated 28754 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 22997 times by 1 test
Evaluated by:
  • libssl.so.1.1
((&s->rlayer)-..._first_record)Description
TRUEevaluated 3452 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 25302 times by 1 test
Evaluated by:
  • libssl.so.1.1
3452-28754
232 && (sslv2len & 0x8000) != 0
(sslv2len & 0x8000) != 0Description
TRUEevaluated 190 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3262 times by 1 test
Evaluated by:
  • libssl.so.1.1
190-3262
233 && (type == SSL2_MT_CLIENT_HELLO)) {
(type == 1)Description
TRUEevaluated 189 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
1-189
234 /*-
235 * SSLv2 style record-
236 *-
237 * |num_recs| here will actually always be 0 because-
238 * |num_recs > 0| only ever occurs when we are processing-
239 * multiple app data records - which we know isn't the case here-
240 * because it is an SSLv2ClientHello. We keep it using-
241 * |num_recs| for the sake of consistency-
242 */-
243 thisrr->type = SSL3_RT_HANDSHAKE;-
244 thisrr->rec_version = SSL2_VERSION;-
245-
246 thisrr->length = sslv2len & 0x7fff;-
247-
248 if (thisrr->length > SSL3_BUFFER_get_len(rbuf)
thisrr->length...buf)->len) - 2Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 188 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-188
249 - SSL2_RT_HEADER_LENGTH) {
thisrr->length...buf)->len) - 2Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 188 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-188
250 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
251 SSL_R_PACKET_LENGTH_TOO_LONG);-
252 return -1;
executed 1 time by 1 test: return -1;
Executed by:
  • libssl.so.1.1
1
253 }-
254-
255 if (thisrr->length < MIN_SSL2_RECORD_LEN) {
thisrr->length < 9Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 187 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-187
256 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL3_GET_RECORD,-
257 SSL_R_LENGTH_TOO_SHORT);-
258 return -1;
executed 1 time by 1 test: return -1;
Executed by:
  • libssl.so.1.1
1
259 }-
260 } else {
executed 187 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
187
261 /* SSLv3+ style record */-
262 if (s->msg_callback)
s->msg_callbackDescription
TRUEnever evaluated
FALSEevaluated 51562 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51562
263 s->msg_callback(0, 0, SSL3_RT_HEADER, p, 5, s,
never executed: s->msg_callback(0, 0, 0x100, p, 5, s, s->msg_callback_arg);
0
264 s->msg_callback_arg);
never executed: s->msg_callback(0, 0, 0x100, p, 5, s, s->msg_callback_arg);
0
265-
266 /* Pull apart the header into the SSL3_RECORD */-
267 if (!PACKET_get_1(&pkt, &type)
!PACKET_get_1(&pkt, &type)Description
TRUEnever evaluated
FALSEevaluated 51562 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51562
268 || !PACKET_get_net_2(&pkt, &version)
!PACKET_get_ne...pkt, &version)Description
TRUEnever evaluated
FALSEevaluated 51562 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51562
269 || !PACKET_get_net_2_len(&pkt, &thisrr->length)) {
!PACKET_get_ne...hisrr->length)Description
TRUEnever evaluated
FALSEevaluated 51562 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51562
270 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL3_GET_RECORD,-
271 ERR_R_INTERNAL_ERROR);-
272 return -1;
never executed: return -1;
0
273 }-
274 thisrr->type = type;-
275 thisrr->rec_version = version;-
276-
277 /*-
278 * Lets check version. In TLSv1.3 we only check this field-
279 * when encryption is occurring (see later check). For the-
280 * ServerHello after an HRR we haven't actually selected TLSv1.3-
281 * yet, but we still treat it as TLSv1.3, so we must check for-
282 * that explicitly-
283 */-
284 if (!s->first_packet && !SSL_IS_TLS13(s)
!s->first_packetDescription
TRUEevaluated 39582 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11980 times by 1 test
Evaluated by:
  • libssl.so.1.1
!(s->method->s...c_flags & 0x8)Description
TRUEevaluated 39582 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s)->method->version >= 0x0304Description
TRUEevaluated 23471 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 16111 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->method->v...ion != 0x10000Description
TRUEevaluated 23209 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 262 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-39582
285 && s->hello_retry_request != SSL_HRR_PENDING
s->hello_retry...SL_HRR_PENDINGDescription
TRUEevaluated 16111 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 262 times by 1 test
Evaluated by:
  • libssl.so.1.1
262-16111
286 && version != (unsigned int)s->version) {
version != (un...int)s->versionDescription
TRUEevaluated 60 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 16051 times by 1 test
Evaluated by:
  • libssl.so.1.1
60-16051
287 if ((s->version & 0xFF00) == (version & 0xFF00)
(s->version & ...sion & 0xFF00)Description
TRUEevaluated 27 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 33 times by 1 test
Evaluated by:
  • libssl.so.1.1
27-33
288 && !s->enc_write_ctx && !s->write_hash) {
!s->enc_write_ctxDescription
TRUEevaluated 24 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
!s->write_hashDescription
TRUEevaluated 24 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-24
289 if (thisrr->type == SSL3_RT_ALERT) {
thisrr->type == 21Description
TRUEevaluated 20 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libssl.so.1.1
4-20
290 /*-
291 * The record is using an incorrect version number,-
292 * but what we've got appears to be an alert. We-
293 * haven't read the body yet to check whether its a-
294 * fatal or not - but chances are it is. We probably-
295 * shouldn't send a fatal alert back. We'll just-
296 * end.-
297 */-
298 SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_SSL3_GET_RECORD,-
299 SSL_R_WRONG_VERSION_NUMBER);-
300 return -1;
executed 20 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
20
301 }-
302 /*-
303 * Send back error using their minor version number :-)-
304 */-
305 s->version = (unsigned short)version;-
306 }
executed 4 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4
307 SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_F_SSL3_GET_RECORD,-
308 SSL_R_WRONG_VERSION_NUMBER);-
309 return -1;
executed 40 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
40
310 }-
311-
312 if ((version >> 8) != SSL3_VERSION_MAJOR) {
(version >> 8) != 0x03Description
TRUEevaluated 94 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 51408 times by 1 test
Evaluated by:
  • libssl.so.1.1
94-51408
313 if (RECORD_LAYER_is_first_record(&s->rlayer)) {
((&s->rlayer)-..._first_record)Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 81 times by 1 test
Evaluated by:
  • libssl.so.1.1
13-81
314 /* Go back to start of packet, look at the five bytes-
315 * that we have. */-
316 p = RECORD_LAYER_get_packet(&s->rlayer);-
317 if (strncmp((char *)p, "GET ", 4) == 0 ||
never executed: __result = (((const unsigned char *) (const char *) ( (char *)p ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "GET " ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__..." , 4 ))) == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11 times by 1 test
Evaluated by:
  • libssl.so.1.1
__builtin_constant_p ( 4 )Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
__builtin_cons... ( (char *)p )Description
TRUEnever evaluated
FALSEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
strlen ( (char...size_t) ( 4 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...t_p ( "GET " )Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
strlen ( "GET ...size_t) ( 4 ))Description
TRUEnever evaluated
FALSEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-13
318 strncmp((char *)p, "POST ", 5) == 0 ||
never executed: __result = (((const unsigned char *) (const char *) ( (char *)p ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "POST " ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__..." , 5 ))) == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
__builtin_constant_p ( 5 )Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
__builtin_cons... ( (char *)p )Description
TRUEnever evaluated
FALSEevaluated 11 times by 1 test
Evaluated by:
  • libssl.so.1.1
strlen ( (char...size_t) ( 5 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons..._p ( "POST " )Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
strlen ( "POST...size_t) ( 5 ))Description
TRUEnever evaluated
FALSEevaluated 11 times by 1 test
Evaluated by:
  • libssl.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-11
319 strncmp((char *)p, "HEAD ", 5) == 0 ||
never executed: __result = (((const unsigned char *) (const char *) ( (char *)p ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "HEAD " ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__..." , 5 ))) == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
__builtin_constant_p ( 5 )Description
TRUEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
__builtin_cons... ( (char *)p )Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
strlen ( (char...size_t) ( 5 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons..._p ( "HEAD " )Description
TRUEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
strlen ( "HEAD...size_t) ( 5 ))Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-9
320 strncmp((char *)p, "PUT ", 4) == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( (char *)p ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "PUT " ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__..." , 4 ))) == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5 times by 1 test
Evaluated by:
  • libssl.so.1.1
__builtin_constant_p ( 4 )Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
__builtin_cons... ( (char *)p )Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
strlen ( (char...size_t) ( 4 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...t_p ( "PUT " )Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
strlen ( "PUT ...size_t) ( 4 ))Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-7
321 SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_SSL3_GET_RECORD,-
322 SSL_R_HTTP_REQUEST);-
323 return -1;
executed 8 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
8
324 } else if (strncmp((char *)p, "CONNE", 5) == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( (char *)p ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "CONNE" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__..." , 5 ))) == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
__builtin_constant_p ( 5 )Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
__builtin_cons... ( (char *)p )Description
TRUEnever evaluated
FALSEevaluated 5 times by 1 test
Evaluated by:
  • libssl.so.1.1
strlen ( (char...size_t) ( 5 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons..._p ( "CONNE" )Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
strlen ( "CONN...size_t) ( 5 ))Description
TRUEnever evaluated
FALSEevaluated 5 times by 1 test
Evaluated by:
  • libssl.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-5
325 SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_SSL3_GET_RECORD,-
326 SSL_R_HTTPS_PROXY_REQUEST);-
327 return -1;
executed 2 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
2
328 }-
329-
330 /* Doesn't look like TLS - don't send an alert */-
331 SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_SSL3_GET_RECORD,-
332 SSL_R_WRONG_VERSION_NUMBER);-
333 return -1;
executed 3 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
3
334 } else {-
335 SSLfatal(s, SSL_AD_PROTOCOL_VERSION,-
336 SSL_F_SSL3_GET_RECORD,-
337 SSL_R_WRONG_VERSION_NUMBER);-
338 return -1;
executed 81 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
81
339 }-
340 }-
341-
342 if (SSL_IS_TLS13(s) && s->enc_read_ctx != NULL) {
!(s->method->s...c_flags & 0x8)Description
TRUEevaluated 51408 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s)->method->version >= 0x0304Description
TRUEevaluated 35357 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 16051 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->method->v...ion != 0x10000Description
TRUEevaluated 23135 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 12222 times by 1 test
Evaluated by:
  • libssl.so.1.1
s->enc_read_ctx != ((void *)0)Description
TRUEevaluated 22537 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 598 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51408
343 if (thisrr->type != SSL3_RT_APPLICATION_DATA
thisrr->type != 23Description
TRUEevaluated 1157 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 21380 times by 1 test
Evaluated by:
  • libssl.so.1.1
1157-21380
344 && (thisrr->type != SSL3_RT_CHANGE_CIPHER_SPEC
thisrr->type != 20Description
TRUEevaluated 31 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1126 times by 1 test
Evaluated by:
  • libssl.so.1.1
31-1126
345 || !SSL_IS_FIRST_HANDSHAKE(s))
(s)->s3->tmp.f...sh_md_len == 0Description
TRUEevaluated 572 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 554 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->s3->tmp.p...sh_md_len == 0Description
TRUEevaluated 554 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-572
346 && (thisrr->type != SSL3_RT_ALERT
thisrr->type != 21Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 25 times by 1 test
Evaluated by:
  • libssl.so.1.1
6-25
347 || s->statem.enc_read_state
s->statem.enc_...W_PLAIN_ALERTSDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 24 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-24
348 != ENC_READ_STATE_ALLOW_PLAIN_ALERTS)) {
s->statem.enc_...W_PLAIN_ALERTSDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 24 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-24
349 SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,-
350 SSL_F_SSL3_GET_RECORD, SSL_R_BAD_RECORD_TYPE);-
351 return -1;
executed 7 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
7
352 }-
353 if (thisrr->rec_version != TLS1_2_VERSION) {
thisrr->rec_version != 0x0303Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 22523 times by 1 test
Evaluated by:
  • libssl.so.1.1
7-22523
354 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL3_GET_RECORD,-
355 SSL_R_WRONG_VERSION_NUMBER);-
356 return -1;
executed 7 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
7
357 }-
358 }
executed 22523 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
22523
359-
360 if (thisrr->length >
thisrr->length...buf)->len) - 5Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 51392 times by 1 test
Evaluated by:
  • libssl.so.1.1
2-51392
361 SSL3_BUFFER_get_len(rbuf) - SSL3_RT_HEADER_LENGTH) {
thisrr->length...buf)->len) - 5Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 51392 times by 1 test
Evaluated by:
  • libssl.so.1.1
2-51392
362 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
363 SSL_R_PACKET_LENGTH_TOO_LONG);-
364 return -1;
executed 2 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
2
365 }-
366 }
executed 51392 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
51392
367-
368 /* now s->rlayer.rstate == SSL_ST_READ_BODY */-
369 }-
370-
371 if (SSL_IS_TLS13(s)) {
!(s->method->s...c_flags & 0x8)Description
TRUEevaluated 56856 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s)->method->version >= 0x0304Description
TRUEevaluated 39895 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 16961 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->method->v...ion != 0x10000Description
TRUEevaluated 26463 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 13432 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-56856
372 if (thisrr->length > SSL3_RT_MAX_TLS13_ENCRYPTED_LENGTH) {
thisrr->length > (16384 + 256)Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 26460 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-26460
373 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
374 SSL_R_ENCRYPTED_LENGTH_TOO_LONG);-
375 return -1;
executed 3 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
3
376 }-
377 } else {
executed 26460 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
26460
378 size_t len = SSL3_RT_MAX_ENCRYPTED_LENGTH;-
379-
380#ifndef OPENSSL_NO_COMP-
381 /*-
382 * If OPENSSL_NO_COMP is defined then SSL3_RT_MAX_ENCRYPTED_LENGTH-
383 * does not include the compression overhead anyway.-
384 */-
385 if (s->expand == NULL)
s->expand == ((void *)0)Description
TRUEevaluated 30393 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-30393
386 len -= SSL3_RT_MAX_COMPRESSED_OVERHEAD;
executed 30393 times by 1 test: len -= 1024;
Executed by:
  • libssl.so.1.1
30393
387#endif-
388-
389 if (thisrr->length > len) {
thisrr->length > lenDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 30390 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-30390
390 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
391 SSL_R_ENCRYPTED_LENGTH_TOO_LONG);-
392 return -1;
executed 3 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
3
393 }-
394 }
executed 30390 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
30390
395-
396 /*-
397 * s->rlayer.rstate == SSL_ST_READ_BODY, get and decode the data.-
398 * Calculate how much more data we need to read for the rest of the-
399 * record-
400 */-
401 if (thisrr->rec_version == SSL2_VERSION) {
thisrr->rec_version == 0x0002Description
TRUEevaluated 188 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 56662 times by 1 test
Evaluated by:
  • libssl.so.1.1
188-56662
402 more = thisrr->length + SSL2_RT_HEADER_LENGTH-
403 - SSL3_RT_HEADER_LENGTH;-
404 } else {
executed 188 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
188
405 more = thisrr->length;-
406 }
executed 56662 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
56662
407 if (more > 0) {
more > 0Description
TRUEevaluated 55254 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1596 times by 1 test
Evaluated by:
  • libssl.so.1.1
1596-55254
408 /* now s->packet_length == SSL3_RT_HEADER_LENGTH */-
409-
410 rret = ssl3_read_n(s, more, more, 1, 0, &n);-
411 if (rret <= 0)
rret <= 0Description
TRUEevaluated 5306 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 49948 times by 1 test
Evaluated by:
  • libssl.so.1.1
5306-49948
412 return rret; /* error or non-blocking io */
executed 5306 times by 1 test: return rret;
Executed by:
  • libssl.so.1.1
5306
413 }
executed 49948 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
49948
414-
415 /* set state for later operations */-
416 RECORD_LAYER_set_rstate(&s->rlayer, SSL_ST_READ_HEADER);-
417-
418 /*-
419 * At this point, s->packet_length == SSL3_RT_HEADER_LENGTH-
420 * + thisrr->length, or s->packet_length == SSL2_RT_HEADER_LENGTH-
421 * + thisrr->length and we have that many bytes in s->packet-
422 */-
423 if (thisrr->rec_version == SSL2_VERSION) {
thisrr->rec_version == 0x0002Description
TRUEevaluated 186 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 51358 times by 1 test
Evaluated by:
  • libssl.so.1.1
186-51358
424 thisrr->input =-
425 &(RECORD_LAYER_get_packet(&s->rlayer)[SSL2_RT_HEADER_LENGTH]);-
426 } else {
executed 186 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
186
427 thisrr->input =-
428 &(RECORD_LAYER_get_packet(&s->rlayer)[SSL3_RT_HEADER_LENGTH]);-
429 }
executed 51358 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
51358
430-
431 /*-
432 * ok, we can now read from 's->packet' data into 'thisrr' thisrr->input-
433 * points at thisrr->length bytes, which need to be copied into-
434 * thisrr->data by either the decryption or by the decompression When-
435 * the data is 'copied' into the thisrr->data buffer, thisrr->input will-
436 * be pointed at the new buffer-
437 */-
438-
439 /*-
440 * We now have - encrypted [ MAC [ compressed [ plain ] ] ]-
441 * thisrr->length bytes of encrypted compressed stuff.-
442 */-
443-
444 /* decrypt in place in 'thisrr->input' */-
445 thisrr->data = thisrr->input;-
446 thisrr->orig_len = thisrr->length;-
447-
448 /* Mark this record as not read by upper layers yet */-
449 thisrr->read = 0;-
450-
451 num_recs++;-
452-
453 /* we have pulled in a full packet so zero things */-
454 RECORD_LAYER_reset_packet_length(&s->rlayer);-
455 RECORD_LAYER_clear_first_record(&s->rlayer);-
456 } while (num_recs < max_recs
executed 51544 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
num_recs < max_recsDescription
TRUEnever evaluated
FALSEevaluated 51544 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-51544
457 && thisrr->type == SSL3_RT_APPLICATION_DATA
thisrr->type == 23Description
TRUEnever evaluated
FALSEnever evaluated
0
458 && SSL_USE_EXPLICIT_IV(s)
(s->method->ss...c_flags & 0x1)Description
TRUEnever evaluated
FALSEnever evaluated
0
459 && s->enc_read_ctx != NULL
s->enc_read_ctx != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
460 && (EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(s->enc_read_ctx))
(EVP_CIPHER_fl...)) & 0X800000)Description
TRUEnever evaluated
FALSEnever evaluated
0
461 & EVP_CIPH_FLAG_PIPELINE)
(EVP_CIPHER_fl...)) & 0X800000)Description
TRUEnever evaluated
FALSEnever evaluated
0
462 && ssl3_record_app_data_waiting(s));
ssl3_record_ap...ata_waiting(s)Description
TRUEnever evaluated
FALSEnever evaluated
0
463-
464 if (num_recs == 1
num_recs == 1Description
TRUEevaluated 51544 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-51544
465 && thisrr->type == SSL3_RT_CHANGE_CIPHER_SPEC
thisrr->type == 20Description
TRUEevaluated 3903 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 47641 times by 1 test
Evaluated by:
  • libssl.so.1.1
3903-47641
466 && (SSL_IS_TLS13(s) || s->hello_retry_request != SSL_HRR_NONE)
!(s->method->s...c_flags & 0x8)Description
TRUEevaluated 3903 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s)->method->version >= 0x0304Description
TRUEevaluated 1674 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2229 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->method->v...ion != 0x10000Description
TRUEevaluated 1221 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 453 times by 1 test
Evaluated by:
  • libssl.so.1.1
s->hello_retry...= SSL_HRR_NONEDescription
TRUEevaluated 66 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2616 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3903
467 && SSL_IS_FIRST_HANDSHAKE(s)) {
(s)->s3->tmp.f...sh_md_len == 0Description
TRUEevaluated 734 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 553 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->s3->tmp.p...sh_md_len == 0Description
TRUEevaluated 553 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-734
468 /*-
469 * CCS messages must be exactly 1 byte long, containing the value 0x01-
470 */-
471 if (thisrr->length != 1 || thisrr->data[0] != 0x01) {
thisrr->length != 1Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1283 times by 1 test
Evaluated by:
  • libssl.so.1.1
thisrr->data[0] != 0x01Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1280 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-1283
472 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SSL3_GET_RECORD,-
473 SSL_R_INVALID_CCS_MESSAGE);-
474 return -1;
executed 7 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
7
475 }-
476 /*-
477 * CCS messages are ignored in TLSv1.3. We treat it like an empty-
478 * handshake record-
479 */-
480 thisrr->type = SSL3_RT_HANDSHAKE;-
481 RECORD_LAYER_inc_empty_record_count(&s->rlayer);-
482 if (RECORD_LAYER_get_empty_record_count(&s->rlayer)
((&s->rlayer)-...rd_count) > 32Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1279 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-1279
483 > MAX_EMPTY_RECORDS) {
((&s->rlayer)-...rd_count) > 32Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1279 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-1279
484 SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_F_SSL3_GET_RECORD,-
485 SSL_R_UNEXPECTED_CCS_MESSAGE);-
486 return -1;
executed 1 time by 1 test: return -1;
Executed by:
  • libssl.so.1.1
1
487 }-
488 thisrr->read = 1;-
489 RECORD_LAYER_set_numrpipes(&s->rlayer, 1);-
490-
491 return 1;
executed 1279 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
1279
492 }-
493-
494 /*-
495 * If in encrypt-then-mac mode calculate mac from encrypted record. All-
496 * the details below are public so no timing details can leak.-
497 */-
498 if (SSL_READ_ETM(s) && s->read_hash) {
(s->s3->flags & 0x0100)Description
TRUEevaluated 4686 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 45571 times by 1 test
Evaluated by:
  • libssl.so.1.1
s->read_hashDescription
TRUEevaluated 4686 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-45571
499 unsigned char *mac;-
500 /* TODO(size_t): convert this to do size_t properly */-
501 imac_size = EVP_MD_CTX_size(s->read_hash);-
502 if (!ossl_assert(imac_size >= 0 && imac_size <= EVP_MAX_MD_SIZE)) {
!((imac_size >...e <= 64) != 0)Description
TRUEnever evaluated
FALSEevaluated 4686 times by 1 test
Evaluated by:
  • libssl.so.1.1
imac_size >= 0Description
TRUEevaluated 4686 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
imac_size <= 64Description
TRUEevaluated 4686 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-4686
503 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GET_RECORD,-
504 ERR_LIB_EVP);-
505 return -1;
never executed: return -1;
0
506 }-
507 mac_size = (size_t)imac_size;-
508 for (j = 0; j < num_recs; j++) {
j < num_recsDescription
TRUEevaluated 4686 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4647 times by 1 test
Evaluated by:
  • libssl.so.1.1
4647-4686
509 thisrr = &rr[j];-
510-
511 if (thisrr->length < mac_size) {
thisrr->length < mac_sizeDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4684 times by 1 test
Evaluated by:
  • libssl.so.1.1
2-4684
512 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL3_GET_RECORD,-
513 SSL_R_LENGTH_TOO_SHORT);-
514 return -1;
executed 2 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
2
515 }-
516 thisrr->length -= mac_size;-
517 mac = thisrr->data + thisrr->length;-
518 i = s->method->ssl3_enc->mac(s, thisrr, md, 0 /* not send */ );-
519 if (i == 0 || CRYPTO_memcmp(md, mac, mac_size) != 0) {
i == 0Description
TRUEnever evaluated
FALSEevaluated 4684 times by 1 test
Evaluated by:
  • libssl.so.1.1
CRYPTO_memcmp(...mac_size) != 0Description
TRUEevaluated 37 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4647 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4684
520 SSLfatal(s, SSL_AD_BAD_RECORD_MAC, SSL_F_SSL3_GET_RECORD,-
521 SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);-
522 return -1;
executed 37 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
37
523 }-
524 }
executed 4647 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4647
525 }
executed 4647 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4647
526-
527 first_rec_len = rr[0].length;-
528-
529 enc_err = s->method->ssl3_enc->enc(s, rr, num_recs, 0);-
530-
531 /*--
532 * enc_err is:-
533 * 0: (in non-constant time) if the record is publicly invalid.-
534 * 1: if the padding is valid-
535 * -1: if the padding is invalid-
536 */-
537 if (enc_err == 0) {
enc_err == 0Description
TRUEevaluated 43 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 50175 times by 1 test
Evaluated by:
  • libssl.so.1.1
43-50175
538 if (ossl_statem_in_error(s)) {
ossl_statem_in_error(s)Description
TRUEnever evaluated
FALSEevaluated 43 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-43
539 /* SSLfatal() already got called */-
540 return -1;
never executed: return -1;
0
541 }-
542 if (num_recs == 1 && ossl_statem_skip_early_data(s)) {
num_recs == 1Description
TRUEevaluated 43 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
ossl_statem_skip_early_data(s)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-43
543 /*-
544 * Valid early_data that we cannot decrypt might fail here as-
545 * publicly invalid. We treat it like an empty record.-
546 */-
547-
548 thisrr = &rr[0];-
549-
550 if (!early_data_count_ok(s, thisrr->length,
!early_data_co...+ 1)) + 2), 0)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-2
551 EARLY_DATA_CIPHERTEXT_OVERHEAD, 0)) {
!early_data_co...+ 1)) + 2), 0)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-2
552 /* SSLfatal() already called */-
553 return -1;
never executed: return -1;
0
554 }-
555-
556 thisrr->length = 0;-
557 thisrr->read = 1;-
558 RECORD_LAYER_set_numrpipes(&s->rlayer, 1);-
559 RECORD_LAYER_reset_read_sequence(&s->rlayer);-
560 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
2
561 }-
562 SSLfatal(s, SSL_AD_DECRYPTION_FAILED, SSL_F_SSL3_GET_RECORD,-
563 SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);-
564 return -1;
executed 41 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
41
565 }-
566#ifdef SSL_DEBUG-
567 printf("dec %lu\n", (unsigned long)rr[0].length);-
568 {-
569 size_t z;-
570 for (z = 0; z < rr[0].length; z++)-
571 printf("%02X%c", rr[0].data[z], ((z + 1) % 16) ? ' ' : '\n');-
572 }-
573 printf("\n");-
574#endif-
575-
576 /* r->length is now the compressed data plus mac */-
577 if ((sess != NULL) &&
(sess != ((void *)0) )Description
TRUEevaluated 43189 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6986 times by 1 test
Evaluated by:
  • libssl.so.1.1
6986-43189
578 (s->enc_read_ctx != NULL) &&
(s->enc_read_c... ((void *)0) )Description
TRUEevaluated 28442 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 14747 times by 1 test
Evaluated by:
  • libssl.so.1.1
14747-28442
579 (!SSL_READ_ETM(s) && EVP_MD_CTX_md(s->read_hash) != NULL)) {
!(s->s3->flags & 0x0100)Description
TRUEevaluated 23795 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4647 times by 1 test
Evaluated by:
  • libssl.so.1.1
EVP_MD_CTX_md(...!= ((void *)0)Description
TRUEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 23600 times by 1 test
Evaluated by:
  • libssl.so.1.1
195-23795
580 /* s->read_hash != NULL => mac_size != -1 */-
581 unsigned char *mac = NULL;-
582 unsigned char mac_tmp[EVP_MAX_MD_SIZE];-
583-
584 mac_size = EVP_MD_CTX_size(s->read_hash);-
585 if (!ossl_assert(mac_size <= EVP_MAX_MD_SIZE)) {
!((mac_size <= 64) != 0)Description
TRUEnever evaluated
FALSEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-195
586 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GET_RECORD,-
587 ERR_R_INTERNAL_ERROR);-
588 return -1;
never executed: return -1;
0
589 }-
590-
591 for (j = 0; j < num_recs; j++) {
j < num_recsDescription
TRUEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
195
592 thisrr = &rr[j];-
593 /*-
594 * orig_len is the length of the record before any padding was-
595 * removed. This is public information, as is the MAC in use,-
596 * therefore we can safely process the record in a different amount-
597 * of time if it's too short to possibly contain a MAC.-
598 */-
599 if (thisrr->orig_len < mac_size ||
thisrr->orig_len < mac_sizeDescription
TRUEnever evaluated
FALSEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-195
600 /* CBC records must have a padding length byte too. */-
601 (EVP_CIPHER_CTX_mode(s->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEevaluated 180 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libssl.so.1.1
15-180
602 thisrr->orig_len < mac_size + 1)) {
thisrr->orig_l...< mac_size + 1Description
TRUEnever evaluated
FALSEevaluated 180 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-180
603 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL3_GET_RECORD,-
604 SSL_R_LENGTH_TOO_SHORT);-
605 return -1;
never executed: return -1;
0
606 }-
607-
608 if (EVP_CIPHER_CTX_mode(s->enc_read_ctx) == EVP_CIPH_CBC_MODE) {
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEevaluated 180 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libssl.so.1.1
15-180
609 /*-
610 * We update the length so that the TLS header bytes can be-
611 * constructed correctly but we need to extract the MAC in-
612 * constant time from within the record, without leaking the-
613 * contents of the padding bytes.-
614 */-
615 mac = mac_tmp;-
616 if (!ssl3_cbc_copy_mac(mac_tmp, thisrr, mac_size)) {
!ssl3_cbc_copy...srr, mac_size)Description
TRUEnever evaluated
FALSEevaluated 180 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-180
617 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GET_RECORD,-
618 ERR_R_INTERNAL_ERROR);-
619 return -1;
never executed: return -1;
0
620 }-
621 thisrr->length -= mac_size;-
622 } else {
executed 180 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
180
623 /*-
624 * In this case there's no padding, so |rec->orig_len| equals-
625 * |rec->length| and we checked that there's enough bytes for-
626 * |mac_size| above.-
627 */-
628 thisrr->length -= mac_size;-
629 mac = &thisrr->data[thisrr->length];-
630 }
executed 15 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
15
631-
632 i = s->method->ssl3_enc->mac(s, thisrr, md, 0 /* not send */ );-
633 if (i == 0 || mac == NULL
i == 0Description
TRUEnever evaluated
FALSEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
mac == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-195
634 || CRYPTO_memcmp(md, mac, (size_t)mac_size) != 0)
CRYPTO_memcmp(...mac_size) != 0Description
TRUEevaluated 125 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 70 times by 1 test
Evaluated by:
  • libssl.so.1.1
70-125
635 enc_err = -1;
executed 125 times by 1 test: enc_err = -1;
Executed by:
  • libssl.so.1.1
125
636 if (thisrr->length > SSL3_RT_MAX_COMPRESSED_LENGTH + mac_size)
thisrr->length...24) + mac_sizeDescription
TRUEnever evaluated
FALSEevaluated 195 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-195
637 enc_err = -1;
never executed: enc_err = -1;
0
638 }
executed 195 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
195
639 }
executed 195 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
195
640-
641 if (enc_err < 0) {
enc_err < 0Description
TRUEevaluated 10883 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 39292 times by 1 test
Evaluated by:
  • libssl.so.1.1
10883-39292
642 if (ossl_statem_in_error(s)) {
ossl_statem_in_error(s)Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10870 times by 1 test
Evaluated by:
  • libssl.so.1.1
13-10870
643 /* We already called SSLfatal() */-
644 return -1;
executed 13 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
13
645 }-
646 if (num_recs == 1 && ossl_statem_skip_early_data(s)) {
num_recs == 1Description
TRUEevaluated 10870 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
ossl_statem_skip_early_data(s)Description
TRUEevaluated 10573 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 297 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-10870
647 /*-
648 * We assume this is unreadable early_data - we treat it like an-
649 * empty record-
650 */-
651-
652 /*-
653 * The record length may have been modified by the mac check above-
654 * so we use the previously saved value-
655 */-
656 if (!early_data_count_ok(s, first_rec_len,
!early_data_co...+ 1)) + 2), 0)Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10569 times by 1 test
Evaluated by:
  • libssl.so.1.1
4-10569
657 EARLY_DATA_CIPHERTEXT_OVERHEAD, 0)) {
!early_data_co...+ 1)) + 2), 0)Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10569 times by 1 test
Evaluated by:
  • libssl.so.1.1
4-10569
658 /* SSLfatal() already called */-
659 return -1;
executed 4 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
4
660 }-
661-
662 thisrr = &rr[0];-
663 thisrr->length = 0;-
664 thisrr->read = 1;-
665 RECORD_LAYER_set_numrpipes(&s->rlayer, 1);-
666 RECORD_LAYER_reset_read_sequence(&s->rlayer);-
667 return 1;
executed 10569 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
10569
668 }-
669 /*-
670 * A separate 'decryption_failed' alert was introduced with TLS 1.0,-
671 * SSL 3.0 only has 'bad_record_mac'. But unless a decryption-
672 * failure is directly visible from the ciphertext anyway, we should-
673 * not reveal which kind of error occurred -- this might become-
674 * visible to an attacker (e.g. via a logfile)-
675 */-
676 SSLfatal(s, SSL_AD_BAD_RECORD_MAC, SSL_F_SSL3_GET_RECORD,-
677 SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);-
678 return -1;
executed 297 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
297
679 }-
680-
681 for (j = 0; j < num_recs; j++) {
j < num_recsDescription
TRUEevaluated 39292 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 39283 times by 1 test
Evaluated by:
  • libssl.so.1.1
39283-39292
682 thisrr = &rr[j];-
683-
684 /* thisrr->length is now just compressed */-
685 if (s->expand != NULL) {
s->expand != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 39292 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-39292
686 if (thisrr->length > SSL3_RT_MAX_COMPRESSED_LENGTH) {
thisrr->length > (16384 +1024)Description
TRUEnever evaluated
FALSEnever evaluated
0
687 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
688 SSL_R_COMPRESSED_LENGTH_TOO_LONG);-
689 return -1;
never executed: return -1;
0
690 }-
691 if (!ssl3_do_uncompress(s, thisrr)) {
!ssl3_do_uncompress(s, thisrr)Description
TRUEnever evaluated
FALSEnever evaluated
0
692 SSLfatal(s, SSL_AD_DECOMPRESSION_FAILURE, SSL_F_SSL3_GET_RECORD,-
693 SSL_R_BAD_DECOMPRESSION);-
694 return -1;
never executed: return -1;
0
695 }-
696 }
never executed: end of block
0
697-
698 if (SSL_IS_TLS13(s)
!(s->method->s...c_flags & 0x8)Description
TRUEevaluated 39292 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s)->method->version >= 0x0304Description
TRUEevaluated 23612 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 15680 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->method->v...ion != 0x10000Description
TRUEevaluated 11280 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 12332 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-39292
699 && s->enc_read_ctx != NULL
s->enc_read_ctx != ((void *)0)Description
TRUEevaluated 10779 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 501 times by 1 test
Evaluated by:
  • libssl.so.1.1
501-10779
700 && thisrr->type != SSL3_RT_ALERT) {
thisrr->type != 21Description
TRUEevaluated 10756 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 23 times by 1 test
Evaluated by:
  • libssl.so.1.1
23-10756
701 size_t end;-
702-
703 if (thisrr->length == 0
thisrr->length == 0Description
TRUEnever evaluated
FALSEevaluated 10756 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-10756
704 || thisrr->type != SSL3_RT_APPLICATION_DATA) {
thisrr->type != 23Description
TRUEnever evaluated
FALSEevaluated 10756 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-10756
705 SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_F_SSL3_GET_RECORD,-
706 SSL_R_BAD_RECORD_TYPE);-
707 return -1;
never executed: return -1;
0
708 }-
709-
710 /* Strip trailing padding */-
711 for (end = thisrr->length - 1; end > 0 && thisrr->data[end] == 0;
end > 0Description
TRUEevaluated 11105 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
thisrr->data[end] == 0Description
TRUEevaluated 349 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10756 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11105
712 end--)-
713 continue;
executed 349 times by 1 test: continue;
Executed by:
  • libssl.so.1.1
349
714-
715 thisrr->length = end;-
716 thisrr->type = thisrr->data[end];-
717 if (thisrr->type != SSL3_RT_APPLICATION_DATA
thisrr->type != 23Description
TRUEevaluated 4720 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6036 times by 1 test
Evaluated by:
  • libssl.so.1.1
4720-6036
718 && thisrr->type != SSL3_RT_ALERT
thisrr->type != 21Description
TRUEevaluated 4118 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 602 times by 1 test
Evaluated by:
  • libssl.so.1.1
602-4118
719 && thisrr->type != SSL3_RT_HANDSHAKE) {
thisrr->type != 22Description
TRUEnever evaluated
FALSEevaluated 4118 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4118
720 SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_F_SSL3_GET_RECORD,-
721 SSL_R_BAD_RECORD_TYPE);-
722 return -1;
never executed: return -1;
0
723 }-
724 if (s->msg_callback)
s->msg_callbackDescription
TRUEnever evaluated
FALSEevaluated 10756 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-10756
725 s->msg_callback(0, s->version, SSL3_RT_INNER_CONTENT_TYPE,
never executed: s->msg_callback(0, s->version, 0x101, &thisrr->data[end], 1, s, s->msg_callback_arg);
0
726 &thisrr->data[end], 1, s, s->msg_callback_arg);
never executed: s->msg_callback(0, s->version, 0x101, &thisrr->data[end], 1, s, s->msg_callback_arg);
0
727 }
executed 10756 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
10756
728-
729 /*-
730 * TLSv1.3 alert and handshake records are required to be non-zero in-
731 * length.-
732 */-
733 if (SSL_IS_TLS13(s)
!(s->method->s...c_flags & 0x8)Description
TRUEevaluated 39292 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s)->method->version >= 0x0304Description
TRUEevaluated 23612 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 15680 times by 1 test
Evaluated by:
  • libssl.so.1.1
(s)->method->v...ion != 0x10000Description
TRUEevaluated 11280 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 12332 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-39292
734 && (thisrr->type == SSL3_RT_HANDSHAKE
thisrr->type == 22Description
TRUEevaluated 4395 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6885 times by 1 test
Evaluated by:
  • libssl.so.1.1
4395-6885
735 || thisrr->type == SSL3_RT_ALERT)
thisrr->type == 21Description
TRUEevaluated 633 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6252 times by 1 test
Evaluated by:
  • libssl.so.1.1
633-6252
736 && thisrr->length == 0) {
thisrr->length == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5026 times by 1 test
Evaluated by:
  • libssl.so.1.1
2-5026
737 SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_F_SSL3_GET_RECORD,-
738 SSL_R_BAD_LENGTH);-
739 return -1;
executed 2 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
2
740 }-
741-
742 if (thisrr->length > SSL3_RT_MAX_PLAIN_LENGTH) {
thisrr->length > 16384Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 39287 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-39287
743 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
744 SSL_R_DATA_LENGTH_TOO_LONG);-
745 return -1;
executed 3 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
3
746 }-
747-
748 /* If received packet overflows current Max Fragment Length setting */-
749 if (s->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(s->session)
s->session != ((void *)0)Description
TRUEevaluated 32305 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6982 times by 1 test
Evaluated by:
  • libssl.so.1.1
((s->session->...en_mode) >= 1)Description
TRUEevaluated 152 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 32153 times by 1 test
Evaluated by:
  • libssl.so.1.1
((s->session->...en_mode) <= 4)Description
TRUEevaluated 152 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-32305
750 && thisrr->length > GET_MAX_FRAGMENT_LENGTH(s->session)) {
thisrr->length...len_mode - 1))Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 151 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-151
751 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_SSL3_GET_RECORD,-
752 SSL_R_DATA_LENGTH_TOO_LONG);-
753 return -1;
executed 1 time by 1 test: return -1;
Executed by:
  • libssl.so.1.1
1
754 }-
755-
756 thisrr->off = 0;-
757 /*--
758 * So at this point the following is true-
759 * thisrr->type is the type of record-
760 * thisrr->length == number of bytes in record-
761 * thisrr->off == offset to first valid byte-
762 * thisrr->data == where to take bytes from, increment after use :-).-
763 */-
764-
765 /* just read a 0 length packet */-
766 if (thisrr->length == 0) {
thisrr->length == 0Description
TRUEevaluated 1929 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 37357 times by 1 test
Evaluated by:
  • libssl.so.1.1
1929-37357
767 RECORD_LAYER_inc_empty_record_count(&s->rlayer);-
768 if (RECORD_LAYER_get_empty_record_count(&s->rlayer)
((&s->rlayer)-...rd_count) > 32Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1926 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-1926
769 > MAX_EMPTY_RECORDS) {
((&s->rlayer)-...rd_count) > 32Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1926 times by 1 test
Evaluated by:
  • libssl.so.1.1
3-1926
770 SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_F_SSL3_GET_RECORD,-
771 SSL_R_RECORD_TOO_SMALL);-
772 return -1;
executed 3 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
3
773 }-
774 } else {
executed 1926 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
1926
775 RECORD_LAYER_reset_empty_record_count(&s->rlayer);-
776 }
executed 37357 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
37357
777 }-
778-
779 if (s->early_data_state == SSL_EARLY_DATA_READING) {
s->early_data_...Y_DATA_READINGDescription
TRUEevaluated 31 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 39252 times by 1 test
Evaluated by:
  • libssl.so.1.1
31-39252
780 thisrr = &rr[0];-
781 if (thisrr->type == SSL3_RT_APPLICATION_DATA
thisrr->type == 23Description
TRUEevaluated 21 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10 times by 1 test
Evaluated by:
  • libssl.so.1.1
10-21
782 && !early_data_count_ok(s, thisrr->length, 0, 0)) {
!early_data_co...>length, 0, 0)Description
TRUEnever evaluated
FALSEevaluated 21 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-21
783 /* SSLfatal already called */-
784 return -1;
never executed: return -1;
0
785 }-
786 }
executed 31 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
31
787-
788 RECORD_LAYER_set_numrpipes(&s->rlayer, num_recs);-
789 return 1;
executed 39283 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
39283
790}-
791-
792int ssl3_do_uncompress(SSL *ssl, SSL3_RECORD *rr)-
793{-
794#ifndef OPENSSL_NO_COMP-
795 int i;-
796-
797 if (rr->comp == NULL) {
rr->comp == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
798 rr->comp = (unsigned char *)-
799 OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH);-
800 }
never executed: end of block
0
801 if (rr->comp == NULL)
rr->comp == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
802 return 0;
never executed: return 0;
0
803-
804 /* TODO(size_t): Convert this call */-
805 i = COMP_expand_block(ssl->expand, rr->comp,-
806 SSL3_RT_MAX_PLAIN_LENGTH, rr->data, (int)rr->length);-
807 if (i < 0)
i < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
808 return 0;
never executed: return 0;
0
809 else-
810 rr->length = i;
never executed: rr->length = i;
0
811 rr->data = rr->comp;-
812#endif-
813 return 1;
never executed: return 1;
0
814}-
815-
816int ssl3_do_compress(SSL *ssl, SSL3_RECORD *wr)-
817{-
818#ifndef OPENSSL_NO_COMP-
819 int i;-
820-
821 /* TODO(size_t): Convert this call */-
822 i = COMP_compress_block(ssl->compress, wr->data,-
823 (int)(wr->length + SSL3_RT_MAX_COMPRESSED_OVERHEAD),-
824 wr->input, (int)wr->length);-
825 if (i < 0)
i < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
826 return 0;
never executed: return 0;
0
827 else-
828 wr->length = i;
never executed: wr->length = i;
0
829-
830 wr->input = wr->data;-
831#endif-
832 return 1;
never executed: return 1;
0
833}-
834-
835/*--
836 * ssl3_enc encrypts/decrypts |n_recs| records in |inrecs|. Will call-
837 * SSLfatal() for internal errors, but not otherwise.-
838 *-
839 * Returns:-
840 * 0: (in non-constant time) if the record is publically invalid (i.e. too-
841 * short etc).-
842 * 1: if the record's padding is valid / the encryption was successful.-
843 * -1: if the record's padding is invalid or, if sending, an internal error-
844 * occurred.-
845 */-
846int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int sending)-
847{-
848 SSL3_RECORD *rec;-
849 EVP_CIPHER_CTX *ds;-
850 size_t l, i;-
851 size_t bs, mac_size = 0;-
852 int imac_size;-
853 const EVP_CIPHER *enc;-
854-
855 rec = inrecs;-
856 /*-
857 * We shouldn't ever be called with more than one record in the SSLv3 case-
858 */-
859 if (n_recs != 1)
n_recs != 1Description
TRUEnever evaluated
FALSEnever evaluated
0
860 return 0;
never executed: return 0;
0
861 if (sending) {
sendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
862 ds = s->enc_write_ctx;-
863 if (s->enc_write_ctx == NULL)
s->enc_write_c...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
864 enc = NULL;
never executed: enc = ((void *)0) ;
0
865 else-
866 enc = EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
never executed: enc = EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
0
867 } else {-
868 ds = s->enc_read_ctx;-
869 if (s->enc_read_ctx == NULL)
s->enc_read_ctx == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
870 enc = NULL;
never executed: enc = ((void *)0) ;
0
871 else-
872 enc = EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
never executed: enc = EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
0
873 }-
874-
875 if ((s->session == NULL) || (ds == NULL) || (enc == NULL)) {
(s->session == ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
(ds == ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
(enc == ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
0
876 memmove(rec->data, rec->input, rec->length);-
877 rec->input = rec->data;-
878 } else {
never executed: end of block
0
879 l = rec->length;-
880 /* TODO(size_t): Convert this call */-
881 bs = EVP_CIPHER_CTX_block_size(ds);-
882-
883 /* COMPRESS */-
884-
885 if ((bs != 1) && sending) {
(bs != 1)Description
TRUEnever evaluated
FALSEnever evaluated
sendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
886 i = bs - (l % bs);-
887-
888 /* we need to add 'i-1' padding bytes */-
889 l += i;-
890 /*-
891 * the last of these zero bytes will be overwritten with the-
892 * padding length.-
893 */-
894 memset(&rec->input[rec->length], 0, i);-
895 rec->length += i;-
896 rec->input[l - 1] = (unsigned char)(i - 1);-
897 }
never executed: end of block
0
898-
899 if (!sending) {
!sendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
900 if (l == 0 || l % bs != 0)
l == 0Description
TRUEnever evaluated
FALSEnever evaluated
l % bs != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
901 return 0;
never executed: return 0;
0
902 /* otherwise, rec->length >= bs */-
903 }
never executed: end of block
0
904-
905 /* TODO(size_t): Convert this call */-
906 if (EVP_Cipher(ds, rec->data, rec->input, (unsigned int)l) < 1)
EVP_Cipher(ds,...ned int)l) < 1Description
TRUEnever evaluated
FALSEnever evaluated
0
907 return -1;
never executed: return -1;
0
908-
909 if (EVP_MD_CTX_md(s->read_hash) != NULL) {
EVP_MD_CTX_md(...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
910 /* TODO(size_t): convert me */-
911 imac_size = EVP_MD_CTX_size(s->read_hash);-
912 if (imac_size < 0) {
imac_size < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
913 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_ENC,-
914 ERR_R_INTERNAL_ERROR);-
915 return -1;
never executed: return -1;
0
916 }-
917 mac_size = (size_t)imac_size;-
918 }
never executed: end of block
0
919 if ((bs != 1) && !sending)
(bs != 1)Description
TRUEnever evaluated
FALSEnever evaluated
!sendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
920 return ssl3_cbc_remove_padding(rec, bs, mac_size);
never executed: return ssl3_cbc_remove_padding(rec, bs, mac_size);
0
921 }
never executed: end of block
0
922 return 1;
never executed: return 1;
0
923}-
924-
925#define MAX_PADDING 256-
926/*--
927 * tls1_enc encrypts/decrypts |n_recs| in |recs|. Will call SSLfatal() for-
928 * internal errors, but not otherwise.-
929 *-
930 * Returns:-
931 * 0: (in non-constant time) if the record is publically invalid (i.e. too-
932 * short etc).-
933 * 1: if the record's padding is valid / the encryption was successful.-
934 * -1: if the record's padding/AEAD-authenticator is invalid or, if sending,-
935 * an internal error occurred.-
936 */-
937int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)-
938{-
939 EVP_CIPHER_CTX *ds;-
940 size_t reclen[SSL_MAX_PIPELINES];-
941 unsigned char buf[SSL_MAX_PIPELINES][EVP_AEAD_TLS1_AAD_LEN];-
942 int i, pad = 0, ret, tmpr;-
943 size_t bs, mac_size = 0, ctr, padnum, loop;-
944 unsigned char padval;-
945 int imac_size;-
946 const EVP_CIPHER *enc;-
947-
948 if (n_recs == 0) {
n_recs == 0Description
TRUEnever evaluated
FALSEevaluated 62064 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-62064
949 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
950 ERR_R_INTERNAL_ERROR);-
951 return 0;
never executed: return 0;
0
952 }-
953-
954 if (sending) {
sendingDescription
TRUEevaluated 30320 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 31744 times by 1 test
Evaluated by:
  • libssl.so.1.1
30320-31744
955 if (EVP_MD_CTX_md(s->write_hash)) {
EVP_MD_CTX_md(s->write_hash)Description
TRUEevaluated 6387 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 23933 times by 1 test
Evaluated by:
  • libssl.so.1.1
6387-23933
956 int n = EVP_MD_CTX_size(s->write_hash);-
957 if (!ossl_assert(n >= 0)) {
!((n >= 0) != 0)Description
TRUEnever evaluated
FALSEevaluated 6387 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-6387
958 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
959 ERR_R_INTERNAL_ERROR);-
960 return -1;
never executed: return -1;
0
961 }-
962 }
executed 6387 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
6387
963 ds = s->enc_write_ctx;-
964 if (s->enc_write_ctx == NULL)
s->enc_write_c...== ((void *)0)Description
TRUEevaluated 20672 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 9648 times by 1 test
Evaluated by:
  • libssl.so.1.1
9648-20672
965 enc = NULL;
executed 20672 times by 1 test: enc = ((void *)0) ;
Executed by:
  • libssl.so.1.1
20672
966 else {-
967 int ivlen;-
968 enc = EVP_CIPHER_CTX_cipher(s->enc_write_ctx);-
969 /* For TLSv1.1 and later explicit IV */-
970 if (SSL_USE_EXPLICIT_IV(s)
(s->method->ss...c_flags & 0x1)Description
TRUEevaluated 8097 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1551 times by 1 test
Evaluated by:
  • libssl.so.1.1
1551-8097
971 && EVP_CIPHER_mode(enc) == EVP_CIPH_CBC_MODE)
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEevaluated 4611 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3486 times by 1 test
Evaluated by:
  • libssl.so.1.1
3486-4611
972 ivlen = EVP_CIPHER_iv_length(enc);
executed 4611 times by 1 test: ivlen = EVP_CIPHER_iv_length(enc);
Executed by:
  • libssl.so.1.1
4611
973 else-
974 ivlen = 0;
executed 5037 times by 1 test: ivlen = 0;
Executed by:
  • libssl.so.1.1
5037
975 if (ivlen > 1) {
ivlen > 1Description
TRUEevaluated 4611 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5037 times by 1 test
Evaluated by:
  • libssl.so.1.1
4611-5037
976 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 4611 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4611 times by 1 test
Evaluated by:
  • libssl.so.1.1
4611
977 if (recs[ctr].data != recs[ctr].input) {
recs[ctr].data...ecs[ctr].inputDescription
TRUEnever evaluated
FALSEevaluated 4611 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4611
978 /*-
979 * we can't write into the input stream: Can this ever-
980 * happen?? (steve)-
981 */-
982 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
983 ERR_R_INTERNAL_ERROR);-
984 return -1;
never executed: return -1;
0
985 } else if (RAND_bytes(recs[ctr].input, ivlen) <= 0) {
RAND_bytes(rec...t, ivlen) <= 0Description
TRUEnever evaluated
FALSEevaluated 4611 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4611
986 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
987 ERR_R_INTERNAL_ERROR);-
988 return -1;
never executed: return -1;
0
989 }-
990 }
executed 4611 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4611
991 }
executed 4611 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4611
992 }
executed 9648 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
9648
993 } else {-
994 if (EVP_MD_CTX_md(s->read_hash)) {
EVP_MD_CTX_md(s->read_hash)Description
TRUEevaluated 5233 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 26511 times by 1 test
Evaluated by:
  • libssl.so.1.1
5233-26511
995 int n = EVP_MD_CTX_size(s->read_hash);-
996 if (!ossl_assert(n >= 0)) {
!((n >= 0) != 0)Description
TRUEnever evaluated
FALSEevaluated 5233 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-5233
997 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
998 ERR_R_INTERNAL_ERROR);-
999 return -1;
never executed: return -1;
0
1000 }-
1001 }
executed 5233 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
5233
1002 ds = s->enc_read_ctx;-
1003 if (s->enc_read_ctx == NULL)
s->enc_read_ctx == ((void *)0)Description
TRUEevaluated 23670 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 8074 times by 1 test
Evaluated by:
  • libssl.so.1.1
8074-23670
1004 enc = NULL;
executed 23670 times by 1 test: enc = ((void *)0) ;
Executed by:
  • libssl.so.1.1
23670
1005 else-
1006 enc = EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
executed 8074 times by 1 test: enc = EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
Executed by:
  • libssl.so.1.1
8074
1007 }-
1008-
1009 if ((s->session == NULL) || (ds == NULL) || (enc == NULL)) {
(s->session == ((void *)0) )Description
TRUEevaluated 7365 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 54699 times by 1 test
Evaluated by:
  • libssl.so.1.1
(ds == ((void *)0) )Description
TRUEevaluated 36977 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 17722 times by 1 test
Evaluated by:
  • libssl.so.1.1
(enc == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 17722 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-54699
1010 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 44342 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 44342 times by 1 test
Evaluated by:
  • libssl.so.1.1
44342
1011 memmove(recs[ctr].data, recs[ctr].input, recs[ctr].length);-
1012 recs[ctr].input = recs[ctr].data;-
1013 }
executed 44342 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
44342
1014 ret = 1;-
1015 } else {
executed 44342 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
44342
1016 bs = EVP_CIPHER_block_size(EVP_CIPHER_CTX_cipher(ds));-
1017-
1018 if (n_recs > 1) {
n_recs > 1Description
TRUEnever evaluated
FALSEevaluated 17722 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-17722
1019 if (!(EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(ds))
!(EVP_CIPHER_f...)) & 0X800000)Description
TRUEnever evaluated
FALSEnever evaluated
0
1020 & EVP_CIPH_FLAG_PIPELINE)) {
!(EVP_CIPHER_f...)) & 0X800000)Description
TRUEnever evaluated
FALSEnever evaluated
0
1021 /*-
1022 * We shouldn't have been called with pipeline data if the-
1023 * cipher doesn't support pipelining-
1024 */-
1025 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
1026 SSL_R_PIPELINE_FAILURE);-
1027 return -1;
never executed: return -1;
0
1028 }-
1029 }
never executed: end of block
0
1030 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 17722 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 17705 times by 1 test
Evaluated by:
  • libssl.so.1.1
17705-17722
1031 reclen[ctr] = recs[ctr].length;-
1032-
1033 if (EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(ds))
EVP_CIPHER_fla...s)) & 0x200000Description
TRUEevaluated 6102 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11620 times by 1 test
Evaluated by:
  • libssl.so.1.1
6102-11620
1034 & EVP_CIPH_FLAG_AEAD_CIPHER) {
EVP_CIPHER_fla...s)) & 0x200000Description
TRUEevaluated 6102 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11620 times by 1 test
Evaluated by:
  • libssl.so.1.1
6102-11620
1035 unsigned char *seq;-
1036-
1037 seq = sending ? RECORD_LAYER_get_write_sequence(&s->rlayer)
sendingDescription
TRUEevaluated 3261 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2841 times by 1 test
Evaluated by:
  • libssl.so.1.1
2841-3261
1038 : RECORD_LAYER_get_read_sequence(&s->rlayer);-
1039-
1040 if (SSL_IS_DTLS(s)) {
(s->method->ss...c_flags & 0x8)Description
TRUEevaluated 1532 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4570 times by 1 test
Evaluated by:
  • libssl.so.1.1
1532-4570
1041 /* DTLS does not support pipelining */-
1042 unsigned char dtlsseq[9], *p = dtlsseq;-
1043-
1044 s2n(sending ? DTLS_RECORD_LAYER_get_w_epoch(&s->rlayer) :-
1045 DTLS_RECORD_LAYER_get_r_epoch(&s->rlayer), p);-
1046 memcpy(p, &seq[2], 6);-
1047 memcpy(buf[ctr], dtlsseq, 8);-
1048 } else {
executed 1532 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
1532
1049 memcpy(buf[ctr], seq, 8);-
1050 for (i = 7; i >= 0; i--) { /* increment */
i >= 0Description
TRUEevaluated 4570 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-4570
1051 ++seq[i];-
1052 if (seq[i] != 0)
seq[i] != 0Description
TRUEevaluated 4570 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-4570
1053 break;
executed 4570 times by 1 test: break;
Executed by:
  • libssl.so.1.1
4570
1054 }
never executed: end of block
0
1055 }
executed 4570 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4570
1056-
1057 buf[ctr][8] = recs[ctr].type;-
1058 buf[ctr][9] = (unsigned char)(s->version >> 8);-
1059 buf[ctr][10] = (unsigned char)(s->version);-
1060 buf[ctr][11] = (unsigned char)(recs[ctr].length >> 8);-
1061 buf[ctr][12] = (unsigned char)(recs[ctr].length & 0xff);-
1062 pad = EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_AEAD_TLS1_AAD,-
1063 EVP_AEAD_TLS1_AAD_LEN, buf[ctr]);-
1064 if (pad <= 0) {
pad <= 0Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6089 times by 1 test
Evaluated by:
  • libssl.so.1.1
13-6089
1065 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
1066 ERR_R_INTERNAL_ERROR);-
1067 return -1;
executed 13 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
13
1068 }-
1069-
1070 if (sending) {
sendingDescription
TRUEevaluated 3261 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2828 times by 1 test
Evaluated by:
  • libssl.so.1.1
2828-3261
1071 reclen[ctr] += pad;-
1072 recs[ctr].length += pad;-
1073 }
executed 3261 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
3261
1074-
1075 } else if ((bs != 1) && sending) {
executed 6089 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
(bs != 1)Description
TRUEevaluated 11345 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 275 times by 1 test
Evaluated by:
  • libssl.so.1.1
sendingDescription
TRUEevaluated 6146 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5199 times by 1 test
Evaluated by:
  • libssl.so.1.1
275-11345
1076 padnum = bs - (reclen[ctr] % bs);-
1077-
1078 /* Add weird padding of upto 256 bytes */-
1079-
1080 if (padnum > MAX_PADDING) {
padnum > 256Description
TRUEnever evaluated
FALSEevaluated 6146 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-6146
1081 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
1082 ERR_R_INTERNAL_ERROR);-
1083 return -1;
never executed: return -1;
0
1084 }-
1085 /* we need to add 'padnum' padding bytes of value padval */-
1086 padval = (unsigned char)(padnum - 1);-
1087 for (loop = reclen[ctr]; loop < reclen[ctr] + padnum; loop++)
loop < reclen[ctr] + padnumDescription
TRUEevaluated 81489 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6146 times by 1 test
Evaluated by:
  • libssl.so.1.1
6146-81489
1088 recs[ctr].input[loop] = padval;
executed 81489 times by 1 test: recs[ctr].input[loop] = padval;
Executed by:
  • libssl.so.1.1
81489
1089 reclen[ctr] += padnum;-
1090 recs[ctr].length += padnum;-
1091 }
executed 6146 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
6146
1092-
1093 if (!sending) {
!sendingDescription
TRUEevaluated 8061 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 9648 times by 1 test
Evaluated by:
  • libssl.so.1.1
8061-9648
1094 if (reclen[ctr] == 0 || reclen[ctr] % bs != 0)
reclen[ctr] == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 8060 times by 1 test
Evaluated by:
  • libssl.so.1.1
reclen[ctr] % bs != 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 8057 times by 1 test
Evaluated by:
  • libssl.so.1.1
1-8060
1095 return 0;
executed 4 times by 1 test: return 0;
Executed by:
  • libssl.so.1.1
4
1096 }
executed 8057 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
8057
1097 }
executed 17705 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
17705
1098 if (n_recs > 1) {
n_recs > 1Description
TRUEnever evaluated
FALSEevaluated 17705 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-17705
1099 unsigned char *data[SSL_MAX_PIPELINES];-
1100-
1101 /* Set the output buffers */-
1102 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEnever evaluated
FALSEnever evaluated
0
1103 data[ctr] = recs[ctr].data;-
1104 }
never executed: end of block
0
1105 if (EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS,
EVP_CIPHER_CTX...cs, data) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1106 (int)n_recs, data) <= 0) {
EVP_CIPHER_CTX...cs, data) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1107 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
1108 SSL_R_PIPELINE_FAILURE);-
1109 return -1;
never executed: return -1;
0
1110 }-
1111 /* Set the input buffers */-
1112 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEnever evaluated
FALSEnever evaluated
0
1113 data[ctr] = recs[ctr].input;-
1114 }
never executed: end of block
0
1115 if (EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_INPUT_BUFS,
EVP_CIPHER_CTX...cs, data) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1116 (int)n_recs, data) <= 0
EVP_CIPHER_CTX...cs, data) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1117 || EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_INPUT_LENS,
EVP_CIPHER_CTX..., reclen) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1118 (int)n_recs, reclen) <= 0) {
EVP_CIPHER_CTX..., reclen) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1119 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
1120 SSL_R_PIPELINE_FAILURE);-
1121 return -1;
never executed: return -1;
0
1122 }-
1123 }
never executed: end of block
0
1124-
1125 /* TODO(size_t): Convert this call */-
1126 tmpr = EVP_Cipher(ds, recs[0].data, recs[0].input,-
1127 (unsigned int)reclen[0]);-
1128 if ((EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(ds))
(EVP_CIPHER_fl... : (tmpr == 0)Description
TRUEevaluated 147 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 17558 times by 1 test
Evaluated by:
  • libssl.so.1.1
(EVP_CIPHER_fl...)) & 0x100000)Description
TRUEevaluated 6089 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11616 times by 1 test
Evaluated by:
  • libssl.so.1.1
147-17558
1129 & EVP_CIPH_FLAG_CUSTOM_CIPHER)
(EVP_CIPHER_fl... : (tmpr == 0)Description
TRUEevaluated 147 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 17558 times by 1 test
Evaluated by:
  • libssl.so.1.1
(EVP_CIPHER_fl...)) & 0x100000)Description
TRUEevaluated 6089 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11616 times by 1 test
Evaluated by:
  • libssl.so.1.1
147-17558
1130 ? (tmpr < 0)
(EVP_CIPHER_fl... : (tmpr == 0)Description
TRUEevaluated 147 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 17558 times by 1 test
Evaluated by:
  • libssl.so.1.1
147-17558
1131 : (tmpr == 0))
(EVP_CIPHER_fl... : (tmpr == 0)Description
TRUEevaluated 147 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 17558 times by 1 test
Evaluated by:
  • libssl.so.1.1
147-17558
1132 return -1; /* AEAD can fail to verify MAC */
executed 147 times by 1 test: return -1;
Executed by:
  • libssl.so.1.1
147
1133-
1134 if (sending == 0) {
sending == 0Description
TRUEevaluated 7910 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 9648 times by 1 test
Evaluated by:
  • libssl.so.1.1
7910-9648
1135 if (EVP_CIPHER_mode(enc) == EVP_CIPH_GCM_MODE) {
(EVP_CIPHER_fl...xF0007) == 0x6Description
TRUEevaluated 2596 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5314 times by 1 test
Evaluated by:
  • libssl.so.1.1
2596-5314
1136 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 2596 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2596 times by 1 test
Evaluated by:
  • libssl.so.1.1
2596
1137 recs[ctr].data += EVP_GCM_TLS_EXPLICIT_IV_LEN;-
1138 recs[ctr].input += EVP_GCM_TLS_EXPLICIT_IV_LEN;-
1139 recs[ctr].length -= EVP_GCM_TLS_EXPLICIT_IV_LEN;-
1140 }
executed 2596 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
2596
1141 } else if (EVP_CIPHER_mode(enc) == EVP_CIPH_CCM_MODE) {
executed 2596 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
(EVP_CIPHER_fl...xF0007) == 0x7Description
TRUEevaluated 60 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5254 times by 1 test
Evaluated by:
  • libssl.so.1.1
60-5254
1142 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 60 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 60 times by 1 test
Evaluated by:
  • libssl.so.1.1
60
1143 recs[ctr].data += EVP_CCM_TLS_EXPLICIT_IV_LEN;-
1144 recs[ctr].input += EVP_CCM_TLS_EXPLICIT_IV_LEN;-
1145 recs[ctr].length -= EVP_CCM_TLS_EXPLICIT_IV_LEN;-
1146 }
executed 60 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
60
1147 }
executed 60 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
60
1148 }
executed 7910 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
7910
1149-
1150 ret = 1;-
1151 if (!SSL_READ_ETM(s) && EVP_MD_CTX_md(s->read_hash) != NULL) {
!(s->s3->flags & 0x0100)Description
TRUEevaluated 7595 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 9963 times by 1 test
Evaluated by:
  • libssl.so.1.1
EVP_MD_CTX_md(...!= ((void *)0)Description
TRUEevaluated 748 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6847 times by 1 test
Evaluated by:
  • libssl.so.1.1
748-9963
1152 imac_size = EVP_MD_CTX_size(s->read_hash);-
1153 if (imac_size < 0) {
imac_size < 0Description
TRUEnever evaluated
FALSEevaluated 748 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-748
1154 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,-
1155 ERR_R_INTERNAL_ERROR);-
1156 return -1;
never executed: return -1;
0
1157 }-
1158 mac_size = (size_t)imac_size;-
1159 }
executed 748 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
748
1160 if ((bs != 1) && !sending) {
(bs != 1)Description
TRUEevaluated 11341 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6217 times by 1 test
Evaluated by:
  • libssl.so.1.1
!sendingDescription
TRUEevaluated 5195 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6146 times by 1 test
Evaluated by:
  • libssl.so.1.1
5195-11341
1161 int tmpret;-
1162 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 5195 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5163 times by 1 test
Evaluated by:
  • libssl.so.1.1
5163-5195
1163 tmpret = tls1_cbc_remove_padding(s, &recs[ctr], bs, mac_size);-
1164 /*-
1165 * If tmpret == 0 then this means publicly invalid so we can-
1166 * short circuit things here. Otherwise we must respect constant-
1167 * time behaviour.-
1168 */-
1169 if (tmpret == 0)
tmpret == 0Description
TRUEevaluated 32 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5163 times by 1 test
Evaluated by:
  • libssl.so.1.1
32-5163
1170 return 0;
executed 32 times by 1 test: return 0;
Executed by:
  • libssl.so.1.1
32
1171 ret = constant_time_select_int(constant_time_eq_int(tmpret, 1),-
1172 ret, -1);-
1173 }
executed 5163 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
5163
1174 }
executed 5163 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
5163
1175 if (pad && !sending) {
padDescription
TRUEevaluated 5942 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 11584 times by 1 test
Evaluated by:
  • libssl.so.1.1
!sendingDescription
TRUEevaluated 2681 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3261 times by 1 test
Evaluated by:
  • libssl.so.1.1
2681-11584
1176 for (ctr = 0; ctr < n_recs; ctr++) {
ctr < n_recsDescription
TRUEevaluated 2681 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2681 times by 1 test
Evaluated by:
  • libssl.so.1.1
2681
1177 recs[ctr].length -= pad;-
1178 }
executed 2681 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
2681
1179 }
executed 2681 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
2681
1180 }
executed 17526 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
17526
1181 return ret;
executed 61868 times by 1 test: return ret;
Executed by:
  • libssl.so.1.1
61868
1182}-
1183-
1184int n_ssl3_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int sending)-
1185{-
1186 unsigned char *mac_sec, *seq;-
1187 const EVP_MD_CTX *hash;-
1188 unsigned char *p, rec_char;-
1189 size_t md_size;-
1190 size_t npad;-
1191 int t;-
1192-
1193 if (sending) {
sendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
1194 mac_sec = &(ssl->s3->write_mac_secret[0]);-
1195 seq = RECORD_LAYER_get_write_sequence(&ssl->rlayer);-
1196 hash = ssl->write_hash;-
1197 } else {
never executed: end of block
0
1198 mac_sec = &(ssl->s3->read_mac_secret[0]);-
1199 seq = RECORD_LAYER_get_read_sequence(&ssl->rlayer);-
1200 hash = ssl->read_hash;-
1201 }
never executed: end of block
0
1202-
1203 t = EVP_MD_CTX_size(hash);-
1204 if (t < 0)
t < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1205 return 0;
never executed: return 0;
0
1206 md_size = t;-
1207 npad = (48 / md_size) * md_size;-
1208-
1209 if (!sending &&
!sendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
1210 EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEnever evaluated
FALSEnever evaluated
0
1211 ssl3_cbc_record_digest_supported(hash)) {
ssl3_cbc_recor...upported(hash)Description
TRUEnever evaluated
FALSEnever evaluated
0
1212 /*-
1213 * This is a CBC-encrypted record. We must avoid leaking any-
1214 * timing-side channel information about how many blocks of data we-
1215 * are hashing because that gives an attacker a timing-oracle.-
1216 */-
1217-
1218 /*--
1219 * npad is, at most, 48 bytes and that's with MD5:-
1220 * 16 + 48 + 8 (sequence bytes) + 1 + 2 = 75.-
1221 *-
1222 * With SHA-1 (the largest hash speced for SSLv3) the hash size-
1223 * goes up 4, but npad goes down by 8, resulting in a smaller-
1224 * total size.-
1225 */-
1226 unsigned char header[75];-
1227 size_t j = 0;-
1228 memcpy(header + j, mac_sec, md_size);-
1229 j += md_size;-
1230 memcpy(header + j, ssl3_pad_1, npad);-
1231 j += npad;-
1232 memcpy(header + j, seq, 8);-
1233 j += 8;-
1234 header[j++] = rec->type;-
1235 header[j++] = (unsigned char)(rec->length >> 8);-
1236 header[j++] = (unsigned char)(rec->length & 0xff);-
1237-
1238 /* Final param == is SSLv3 */-
1239 if (ssl3_cbc_digest_record(hash,
ssl3_cbc_diges..._size, 1) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1240 md, &md_size,
ssl3_cbc_diges..._size, 1) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1241 header, rec->input,
ssl3_cbc_diges..._size, 1) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1242 rec->length + md_size, rec->orig_len,
ssl3_cbc_diges..._size, 1) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1243 mac_sec, md_size, 1) <= 0)
ssl3_cbc_diges..._size, 1) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1244 return 0;
never executed: return 0;
0
1245 } else {
never executed: end of block
0
1246 unsigned int md_size_u;-
1247 /* Chop the digest off the end :-) */-
1248 EVP_MD_CTX *md_ctx = EVP_MD_CTX_new();-
1249-
1250 if (md_ctx == NULL)
md_ctx == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
1251 return 0;
never executed: return 0;
0
1252-
1253 rec_char = rec->type;-
1254 p = md;-
1255 s2n(rec->length, p);-
1256 if (EVP_MD_CTX_copy_ex(md_ctx, hash) <= 0
EVP_MD_CTX_cop...tx, hash) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1257 || EVP_DigestUpdate(md_ctx, mac_sec, md_size) <= 0
EVP_DigestUpda... md_size) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1258 || EVP_DigestUpdate(md_ctx, ssl3_pad_1, npad) <= 0
EVP_DigestUpda..._1, npad) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1259 || EVP_DigestUpdate(md_ctx, seq, 8) <= 0
EVP_DigestUpda..., seq, 8) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1260 || EVP_DigestUpdate(md_ctx, &rec_char, 1) <= 0
EVP_DigestUpda..._char, 1) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1261 || EVP_DigestUpdate(md_ctx, md, 2) <= 0
EVP_DigestUpda...x, md, 2) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1262 || EVP_DigestUpdate(md_ctx, rec->input, rec->length) <= 0
EVP_DigestUpda...->length) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1263 || EVP_DigestFinal_ex(md_ctx, md, NULL) <= 0
EVP_DigestFina...id *)0) ) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1264 || EVP_MD_CTX_copy_ex(md_ctx, hash) <= 0
EVP_MD_CTX_cop...tx, hash) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1265 || EVP_DigestUpdate(md_ctx, mac_sec, md_size) <= 0
EVP_DigestUpda... md_size) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1266 || EVP_DigestUpdate(md_ctx, ssl3_pad_2, npad) <= 0
EVP_DigestUpda..._2, npad) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1267 || EVP_DigestUpdate(md_ctx, md, md_size) <= 0
EVP_DigestUpda... md_size) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1268 || EVP_DigestFinal_ex(md_ctx, md, &md_size_u) <= 0) {
EVP_DigestFina...d_size_u) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1269 EVP_MD_CTX_free(md_ctx);-
1270 return 0;
never executed: return 0;
0
1271 }-
1272-
1273 EVP_MD_CTX_free(md_ctx);-
1274 }
never executed: end of block
0
1275-
1276 ssl3_record_sequence_update(seq);-
1277 return 1;
never executed: return 1;
0
1278}-
1279-
1280int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int sending)-
1281{-
1282 unsigned char *seq;-
1283 EVP_MD_CTX *hash;-
1284 size_t md_size;-
1285 int i;-
1286 EVP_MD_CTX *hmac = NULL, *mac_ctx;-
1287 unsigned char header[13];-
1288 int stream_mac = (sending ? (ssl->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM)
sendingDescription
TRUEevaluated 6387 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5234 times by 1 test
Evaluated by:
  • libssl.so.1.1
5234-6387
1289 : (ssl->mac_flags & SSL_MAC_FLAG_READ_MAC_STREAM));-
1290 int t;-
1291-
1292 if (sending) {
sendingDescription
TRUEevaluated 6387 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5234 times by 1 test
Evaluated by:
  • libssl.so.1.1
5234-6387
1293 seq = RECORD_LAYER_get_write_sequence(&ssl->rlayer);-
1294 hash = ssl->write_hash;-
1295 } else {
executed 6387 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
6387
1296 seq = RECORD_LAYER_get_read_sequence(&ssl->rlayer);-
1297 hash = ssl->read_hash;-
1298 }
executed 5234 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
5234
1299-
1300 t = EVP_MD_CTX_size(hash);-
1301 if (!ossl_assert(t >= 0))
!((t >= 0) != 0)Description
TRUEnever evaluated
FALSEevaluated 11621 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11621
1302 return 0;
never executed: return 0;
0
1303 md_size = t;-
1304-
1305 /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */-
1306 if (stream_mac) {
stream_macDescription
TRUEnever evaluated
FALSEevaluated 11621 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11621
1307 mac_ctx = hash;-
1308 } else {
never executed: end of block
0
1309 hmac = EVP_MD_CTX_new();-
1310 if (hmac == NULL || !EVP_MD_CTX_copy(hmac, hash)) {
hmac == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 11621 times by 1 test
Evaluated by:
  • libssl.so.1.1
!EVP_MD_CTX_copy(hmac, hash)Description
TRUEnever evaluated
FALSEevaluated 11621 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11621
1311 EVP_MD_CTX_free(hmac);-
1312 return 0;
never executed: return 0;
0
1313 }-
1314 mac_ctx = hmac;-
1315 }
executed 11621 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
11621
1316-
1317 if (SSL_IS_DTLS(ssl)) {
(ssl->method->...c_flags & 0x8)Description
TRUEevaluated 1260 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 10361 times by 1 test
Evaluated by:
  • libssl.so.1.1
1260-10361
1318 unsigned char dtlsseq[8], *p = dtlsseq;-
1319-
1320 s2n(sending ? DTLS_RECORD_LAYER_get_w_epoch(&ssl->rlayer) :-
1321 DTLS_RECORD_LAYER_get_r_epoch(&ssl->rlayer), p);-
1322 memcpy(p, &seq[2], 6);-
1323-
1324 memcpy(header, dtlsseq, 8);-
1325 } else
executed 1260 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
1260
1326 memcpy(header, seq, 8);
executed 10361 times by 1 test: memcpy(header, seq, 8);
Executed by:
  • libssl.so.1.1
10361
1327-
1328 header[8] = rec->type;-
1329 header[9] = (unsigned char)(ssl->version >> 8);-
1330 header[10] = (unsigned char)(ssl->version);-
1331 header[11] = (unsigned char)(rec->length >> 8);-
1332 header[12] = (unsigned char)(rec->length & 0xff);-
1333-
1334 if (!sending && !SSL_READ_ETM(ssl) &&
!sendingDescription
TRUEevaluated 5234 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6387 times by 1 test
Evaluated by:
  • libssl.so.1.1
!(ssl->s3->flags & 0x0100)Description
TRUEevaluated 242 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4992 times by 1 test
Evaluated by:
  • libssl.so.1.1
242-6387
1335 EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 21 times by 1 test
Evaluated by:
  • libssl.so.1.1
21-221
1336 ssl3_cbc_record_digest_supported(mac_ctx)) {
ssl3_cbc_recor...orted(mac_ctx)Description
TRUEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-221
1337 /*-
1338 * This is a CBC-encrypted record. We must avoid leaking any-
1339 * timing-side channel information about how many blocks of data we-
1340 * are hashing because that gives an attacker a timing-oracle.-
1341 */-
1342 /* Final param == not SSLv3 */-
1343 if (ssl3_cbc_digest_record(mac_ctx,
ssl3_cbc_diges..._size, 0) <= 0Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-221
1344 md, &md_size,
ssl3_cbc_diges..._size, 0) <= 0Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-221
1345 header, rec->input,
ssl3_cbc_diges..._size, 0) <= 0Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-221
1346 rec->length + md_size, rec->orig_len,
ssl3_cbc_diges..._size, 0) <= 0Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-221
1347 ssl->s3->read_mac_secret,
ssl3_cbc_diges..._size, 0) <= 0Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-221
1348 ssl->s3->read_mac_secret_size, 0) <= 0) {
ssl3_cbc_diges..._size, 0) <= 0Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-221
1349 EVP_MD_CTX_free(hmac);-
1350 return 0;
never executed: return 0;
0
1351 }-
1352 } else {
executed 221 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
221
1353 /* TODO(size_t): Convert these calls */-
1354 if (EVP_DigestSignUpdate(mac_ctx, header, sizeof(header)) <= 0
EVP_DigestUpda...(header)) <= 0Description
TRUEnever evaluated
FALSEevaluated 11400 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11400
1355 || EVP_DigestSignUpdate(mac_ctx, rec->input, rec->length) <= 0
EVP_DigestUpda...->length) <= 0Description
TRUEnever evaluated
FALSEevaluated 11400 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11400
1356 || EVP_DigestSignFinal(mac_ctx, md, &md_size) <= 0) {
EVP_DigestSign...&md_size) <= 0Description
TRUEnever evaluated
FALSEevaluated 11400 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-11400
1357 EVP_MD_CTX_free(hmac);-
1358 return 0;
never executed: return 0;
0
1359 }-
1360 }
executed 11400 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
11400
1361-
1362 EVP_MD_CTX_free(hmac);-
1363-
1364#ifdef SSL_DEBUG-
1365 fprintf(stderr, "seq=");-
1366 {-
1367 int z;-
1368 for (z = 0; z < 8; z++)-
1369 fprintf(stderr, "%02X ", seq[z]);-
1370 fprintf(stderr, "\n");-
1371 }-
1372 fprintf(stderr, "rec=");-
1373 {-
1374 size_t z;-
1375 for (z = 0; z < rec->length; z++)-
1376 fprintf(stderr, "%02X ", rec->data[z]);-
1377 fprintf(stderr, "\n");-
1378 }-
1379#endif-
1380-
1381 if (!SSL_IS_DTLS(ssl)) {
!(ssl->method-...c_flags & 0x8)Description
TRUEevaluated 10361 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1260 times by 1 test
Evaluated by:
  • libssl.so.1.1
1260-10361
1382 for (i = 7; i >= 0; i--) {
i >= 0Description
TRUEevaluated 10369 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-10369
1383 ++seq[i];-
1384 if (seq[i] != 0)
seq[i] != 0Description
TRUEevaluated 10361 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 8 times by 1 test
Evaluated by:
  • libssl.so.1.1
8-10361
1385 break;
executed 10361 times by 1 test: break;
Executed by:
  • libssl.so.1.1
10361
1386 }
executed 8 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
8
1387 }
executed 10361 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
10361
1388#ifdef SSL_DEBUG-
1389 {-
1390 unsigned int z;-
1391 for (z = 0; z < md_size; z++)-
1392 fprintf(stderr, "%02X ", md[z]);-
1393 fprintf(stderr, "\n");-
1394 }-
1395#endif-
1396 return 1;
executed 11621 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
11621
1397}-
1398-
1399/*--
1400 * ssl3_cbc_remove_padding removes padding from the decrypted, SSLv3, CBC-
1401 * record in |rec| by updating |rec->length| in constant time.-
1402 *-
1403 * block_size: the block size of the cipher used to encrypt the record.-
1404 * returns:-
1405 * 0: (in non-constant time) if the record is publicly invalid.-
1406 * 1: if the padding was valid-
1407 * -1: otherwise.-
1408 */-
1409int ssl3_cbc_remove_padding(SSL3_RECORD *rec,-
1410 size_t block_size, size_t mac_size)-
1411{-
1412 size_t padding_length;-
1413 size_t good;-
1414 const size_t overhead = 1 /* padding length byte */ + mac_size;-
1415-
1416 /*-
1417 * These lengths are all public so we can test them in non-constant time.-
1418 */-
1419 if (overhead > rec->length)
overhead > rec->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
0
1420 return 0;
never executed: return 0;
0
1421-
1422 padding_length = rec->data[rec->length - 1];-
1423 good = constant_time_ge_s(rec->length, padding_length + overhead);-
1424 /* SSLv3 requires that the padding is minimal. */-
1425 good &= constant_time_ge_s(block_size, padding_length + 1);-
1426 rec->length -= good & (padding_length + 1);-
1427 return constant_time_select_int_s(good, 1, -1);
never executed: return constant_time_select_int_s(good, 1, -1);
0
1428}-
1429-
1430/*--
1431 * tls1_cbc_remove_padding removes the CBC padding from the decrypted, TLS, CBC-
1432 * record in |rec| in constant time and returns 1 if the padding is valid and-
1433 * -1 otherwise. It also removes any explicit IV from the start of the record-
1434 * without leaking any timing about whether there was enough space after the-
1435 * padding was removed.-
1436 *-
1437 * block_size: the block size of the cipher used to encrypt the record.-
1438 * returns:-
1439 * 0: (in non-constant time) if the record is publicly invalid.-
1440 * 1: if the padding was valid-
1441 * -1: otherwise.-
1442 */-
1443int tls1_cbc_remove_padding(const SSL *s,-
1444 SSL3_RECORD *rec,-
1445 size_t block_size, size_t mac_size)-
1446{-
1447 size_t good;-
1448 size_t padding_length, to_check, i;-
1449 const size_t overhead = 1 /* padding length byte */ + mac_size;-
1450 /* Check if version requires explicit IV */-
1451 if (SSL_USE_EXPLICIT_IV(s)) {
(s->method->ss...c_flags & 0x1)Description
TRUEevaluated 3872 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1323 times by 1 test
Evaluated by:
  • libssl.so.1.1
1323-3872
1452 /*-
1453 * These lengths are all public so we can test them in non-constant-
1454 * time.-
1455 */-
1456 if (overhead + block_size > rec->length)
overhead + blo... > rec->lengthDescription
TRUEevaluated 19 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3853 times by 1 test
Evaluated by:
  • libssl.so.1.1
19-3853
1457 return 0;
executed 19 times by 1 test: return 0;
Executed by:
  • libssl.so.1.1
19
1458 /* We can now safely skip explicit IV */-
1459 rec->data += block_size;-
1460 rec->input += block_size;-
1461 rec->length -= block_size;-
1462 rec->orig_len -= block_size;-
1463 } else if (overhead > rec->length)
executed 3853 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
overhead > rec->lengthDescription
TRUEevaluated 13 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 1310 times by 1 test
Evaluated by:
  • libssl.so.1.1
13-3853
1464 return 0;
executed 13 times by 1 test: return 0;
Executed by:
  • libssl.so.1.1
13
1465-
1466 padding_length = rec->data[rec->length - 1];-
1467-
1468 if (EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(s->enc_read_ctx)) &
EVP_CIPHER_fla...x)) & 0x200000Description
TRUEnever evaluated
FALSEevaluated 5163 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-5163
1469 EVP_CIPH_FLAG_AEAD_CIPHER) {
EVP_CIPHER_fla...x)) & 0x200000Description
TRUEnever evaluated
FALSEevaluated 5163 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-5163
1470 /* padding is already verified */-
1471 rec->length -= padding_length + 1;-
1472 return 1;
never executed: return 1;
0
1473 }-
1474-
1475 good = constant_time_ge_s(rec->length, overhead + padding_length);-
1476 /*-
1477 * The padding consists of a length byte at the end of the record and-
1478 * then that many bytes of padding, all with the same value as the length-
1479 * byte. Thus, with the length byte included, there are i+1 bytes of-
1480 * padding. We can't check just |padding_length+1| bytes because that-
1481 * leaks decrypted information. Therefore we always have to check the-
1482 * maximum amount of padding possible. (Again, the length of the record-
1483 * is public information so we can use it.)-
1484 */-
1485 to_check = 256; /* maximum amount of padding, inc length byte. */-
1486 if (to_check > rec->length)
to_check > rec->lengthDescription
TRUEevaluated 2380 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2783 times by 1 test
Evaluated by:
  • libssl.so.1.1
2380-2783
1487 to_check = rec->length;
executed 2380 times by 1 test: to_check = rec->length;
Executed by:
  • libssl.so.1.1
2380
1488-
1489 for (i = 0; i < to_check; i++) {
i < to_checkDescription
TRUEevaluated 781112 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 5163 times by 1 test
Evaluated by:
  • libssl.so.1.1
5163-781112
1490 unsigned char mask = constant_time_ge_8_s(padding_length, i);-
1491 unsigned char b = rec->data[rec->length - 1 - i];-
1492 /*-
1493 * The final |padding_length+1| bytes should all have the value-
1494 * |padding_length|. Therefore the XOR should be zero.-
1495 */-
1496 good &= ~(mask & (padding_length ^ b));-
1497 }
executed 781112 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
781112
1498-
1499 /*-
1500 * If any of the final |padding_length+1| bytes had the wrong value, one-
1501 * or more of the lower eight bits of |good| will be cleared.-
1502 */-
1503 good = constant_time_eq_s(0xff, good & 0xff);-
1504 rec->length -= good & (padding_length + 1);-
1505-
1506 return constant_time_select_int_s(good, 1, -1);
executed 5163 times by 1 test: return constant_time_select_int_s(good, 1, -1);
Executed by:
  • libssl.so.1.1
5163
1507}-
1508-
1509/*--
1510 * ssl3_cbc_copy_mac copies |md_size| bytes from the end of |rec| to |out| in-
1511 * constant time (independent of the concrete value of rec->length, which may-
1512 * vary within a 256-byte window).-
1513 *-
1514 * ssl3_cbc_remove_padding or tls1_cbc_remove_padding must be called prior to-
1515 * this function.-
1516 *-
1517 * On entry:-
1518 * rec->orig_len >= md_size-
1519 * md_size <= EVP_MAX_MD_SIZE-
1520 *-
1521 * If CBC_MAC_ROTATE_IN_PLACE is defined then the rotation is performed with-
1522 * variable accesses in a 64-byte-aligned buffer. Assuming that this fits into-
1523 * a single or pair of cache-lines, then the variable memory accesses don't-
1524 * actually affect the timing. CPUs with smaller cache-lines [if any] are-
1525 * not multi-core and are not considered vulnerable to cache-timing attacks.-
1526 */-
1527#define CBC_MAC_ROTATE_IN_PLACE-
1528-
1529int ssl3_cbc_copy_mac(unsigned char *out,-
1530 const SSL3_RECORD *rec, size_t md_size)-
1531{-
1532#if defined(CBC_MAC_ROTATE_IN_PLACE)-
1533 unsigned char rotated_mac_buf[64 + EVP_MAX_MD_SIZE];-
1534 unsigned char *rotated_mac;-
1535#else-
1536 unsigned char rotated_mac[EVP_MAX_MD_SIZE];-
1537#endif-
1538-
1539 /*-
1540 * mac_end is the index of |rec->data| just after the end of the MAC.-
1541 */-
1542 size_t mac_end = rec->length;-
1543 size_t mac_start = mac_end - md_size;-
1544 size_t in_mac;-
1545 /*-
1546 * scan_start contains the number of bytes that we can ignore because the-
1547 * MAC's position can only vary by 255 bytes.-
1548 */-
1549 size_t scan_start = 0;-
1550 size_t i, j;-
1551 size_t rotate_offset;-
1552-
1553 if (!ossl_assert(rec->orig_len >= md_size
!((rec->orig_l...e <= 64) != 0)Description
TRUEnever evaluated
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
rec->orig_len >= md_sizeDescription
TRUEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
md_size <= 64Description
TRUEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-221
1554 && md_size <= EVP_MAX_MD_SIZE))-
1555 return 0;
never executed: return 0;
0
1556-
1557#if defined(CBC_MAC_ROTATE_IN_PLACE)-
1558 rotated_mac = rotated_mac_buf + ((0 - (size_t)rotated_mac_buf) & 63);-
1559#endif-
1560-
1561 /* This information is public so it's safe to branch based on it. */-
1562 if (rec->orig_len > md_size + 255 + 1)
rec->orig_len ...size + 255 + 1Description
TRUEevaluated 58 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 163 times by 1 test
Evaluated by:
  • libssl.so.1.1
58-163
1563 scan_start = rec->orig_len - (md_size + 255 + 1);
executed 58 times by 1 test: scan_start = rec->orig_len - (md_size + 255 + 1);
Executed by:
  • libssl.so.1.1
58
1564-
1565 in_mac = 0;-
1566 rotate_offset = 0;-
1567 memset(rotated_mac, 0, md_size);-
1568 for (i = scan_start, j = 0; i < rec->orig_len; i++) {
i < rec->orig_lenDescription
TRUEevaluated 30844 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
221-30844
1569 size_t mac_started = constant_time_eq_s(i, mac_start);-
1570 size_t mac_ended = constant_time_lt_s(i, mac_end);-
1571 unsigned char b = rec->data[i];-
1572-
1573 in_mac |= mac_started;-
1574 in_mac &= mac_ended;-
1575 rotate_offset |= j & mac_started;-
1576 rotated_mac[j++] |= b & in_mac;-
1577 j &= constant_time_lt_s(j, md_size);-
1578 }
executed 30844 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
30844
1579-
1580 /* Now rotate the MAC */-
1581#if defined(CBC_MAC_ROTATE_IN_PLACE)-
1582 j = 0;-
1583 for (i = 0; i < md_size; i++) {
i < md_sizeDescription
TRUEevaluated 5464 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
221-5464
1584 /* in case cache-line is 32 bytes, touch second line */-
1585 ((volatile unsigned char *)rotated_mac)[rotate_offset ^ 32];-
1586 out[j++] = rotated_mac[rotate_offset++];-
1587 rotate_offset &= constant_time_lt_s(rotate_offset, md_size);-
1588 }
executed 5464 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
5464
1589#else-
1590 memset(out, 0, md_size);-
1591 rotate_offset = md_size - rotate_offset;-
1592 rotate_offset &= constant_time_lt_s(rotate_offset, md_size);-
1593 for (i = 0; i < md_size; i++) {-
1594 for (j = 0; j < md_size; j++)-
1595 out[j] |= rotated_mac[i] & constant_time_eq_8_s(j, rotate_offset);-
1596 rotate_offset++;-
1597 rotate_offset &= constant_time_lt_s(rotate_offset, md_size);-
1598 }-
1599#endif-
1600-
1601 return 1;
executed 221 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
221
1602}-
1603-
1604int dtls1_process_record(SSL *s, DTLS1_BITMAP *bitmap)-
1605{-
1606 int i;-
1607 int enc_err;-
1608 SSL_SESSION *sess;-
1609 SSL3_RECORD *rr;-
1610 int imac_size;-
1611 size_t mac_size;-
1612 unsigned char md[EVP_MAX_MD_SIZE];-
1613-
1614 rr = RECORD_LAYER_get_rrec(&s->rlayer);-
1615 sess = s->session;-
1616-
1617 /*-
1618 * At this point, s->packet_length == SSL3_RT_HEADER_LNGTH + rr->length,-
1619 * and we have that many bytes in s->packet-
1620 */-
1621 rr->input = &(RECORD_LAYER_get_packet(&s->rlayer)[DTLS1_RT_HEADER_LENGTH]);-
1622-
1623 /*-
1624 * ok, we can now read from 's->packet' data into 'rr' rr->input points-
1625 * at rr->length bytes, which need to be copied into rr->data by either-
1626 * the decryption or by the decompression When the data is 'copied' into-
1627 * the rr->data buffer, rr->input will be pointed at the new buffer-
1628 */-
1629-
1630 /*-
1631 * We now have - encrypted [ MAC [ compressed [ plain ] ] ] rr->length-
1632 * bytes of encrypted compressed stuff.-
1633 */-
1634-
1635 /* check is not needed I believe */-
1636 if (rr->length > SSL3_RT_MAX_ENCRYPTED_LENGTH) {
rr->length > (...(16384 +1024))Description
TRUEnever evaluated
FALSEevaluated 3409 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3409
1637 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_DTLS1_PROCESS_RECORD,-
1638 SSL_R_ENCRYPTED_LENGTH_TOO_LONG);-
1639 return 0;
never executed: return 0;
0
1640 }-
1641-
1642 /* decrypt in place in 'rr->input' */-
1643 rr->data = rr->input;-
1644 rr->orig_len = rr->length;-
1645-
1646 if (SSL_READ_ETM(s) && s->read_hash) {
(s->s3->flags & 0x0100)Description
TRUEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3101 times by 1 test
Evaluated by:
  • libssl.so.1.1
s->read_hashDescription
TRUEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-3101
1647 unsigned char *mac;-
1648 mac_size = EVP_MD_CTX_size(s->read_hash);-
1649 if (!ossl_assert(mac_size <= EVP_MAX_MD_SIZE)) {
!((mac_size <= 64) != 0)Description
TRUEnever evaluated
FALSEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-308
1650 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DTLS1_PROCESS_RECORD,-
1651 ERR_R_INTERNAL_ERROR);-
1652 return 0;
never executed: return 0;
0
1653 }-
1654 if (rr->orig_len < mac_size) {
rr->orig_len < mac_sizeDescription
TRUEnever evaluated
FALSEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-308
1655 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_DTLS1_PROCESS_RECORD,-
1656 SSL_R_LENGTH_TOO_SHORT);-
1657 return 0;
never executed: return 0;
0
1658 }-
1659 rr->length -= mac_size;-
1660 mac = rr->data + rr->length;-
1661 i = s->method->ssl3_enc->mac(s, rr, md, 0 /* not send */ );-
1662 if (i == 0 || CRYPTO_memcmp(md, mac, (size_t)mac_size) != 0) {
i == 0Description
TRUEnever evaluated
FALSEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
CRYPTO_memcmp(...mac_size) != 0Description
TRUEnever evaluated
FALSEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-308
1663 SSLfatal(s, SSL_AD_BAD_RECORD_MAC, SSL_F_DTLS1_PROCESS_RECORD,-
1664 SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);-
1665 return 0;
never executed: return 0;
0
1666 }-
1667 }
executed 308 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
308
1668-
1669 enc_err = s->method->ssl3_enc->enc(s, rr, 1, 0);-
1670 /*--
1671 * enc_err is:-
1672 * 0: (in non-constant time) if the record is publically invalid.-
1673 * 1: if the padding is valid-
1674 * -1: if the padding is invalid-
1675 */-
1676 if (enc_err == 0) {
enc_err == 0Description
TRUEnever evaluated
FALSEevaluated 3409 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3409
1677 if (ossl_statem_in_error(s)) {
ossl_statem_in_error(s)Description
TRUEnever evaluated
FALSEnever evaluated
0
1678 /* SSLfatal() got called */-
1679 return 0;
never executed: return 0;
0
1680 }-
1681 /* For DTLS we simply ignore bad packets. */-
1682 rr->length = 0;-
1683 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1684 return 0;
never executed: return 0;
0
1685 }-
1686#ifdef SSL_DEBUG-
1687 printf("dec %ld\n", rr->length);-
1688 {-
1689 size_t z;-
1690 for (z = 0; z < rr->length; z++)-
1691 printf("%02X%c", rr->data[z], ((z + 1) % 16) ? ' ' : '\n');-
1692 }-
1693 printf("\n");-
1694#endif-
1695-
1696 /* r->length is now the compressed data plus mac */-
1697 if ((sess != NULL) && !SSL_READ_ETM(s) &&
(sess != ((void *)0) )Description
TRUEevaluated 3213 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 196 times by 1 test
Evaluated by:
  • libssl.so.1.1
!(s->s3->flags & 0x0100)Description
TRUEevaluated 2905 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 308 times by 1 test
Evaluated by:
  • libssl.so.1.1
196-3213
1698 (s->enc_read_ctx != NULL) && (EVP_MD_CTX_md(s->read_hash) != NULL)) {
(s->enc_read_c... ((void *)0) )Description
TRUEevaluated 663 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2242 times by 1 test
Evaluated by:
  • libssl.so.1.1
(EVP_MD_CTX_md... ((void *)0) )Description
TRUEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 616 times by 1 test
Evaluated by:
  • libssl.so.1.1
47-2242
1699 /* s->read_hash != NULL => mac_size != -1 */-
1700 unsigned char *mac = NULL;-
1701 unsigned char mac_tmp[EVP_MAX_MD_SIZE];-
1702-
1703 /* TODO(size_t): Convert this to do size_t properly */-
1704 imac_size = EVP_MD_CTX_size(s->read_hash);-
1705 if (imac_size < 0) {
imac_size < 0Description
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-47
1706 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DTLS1_PROCESS_RECORD,-
1707 ERR_LIB_EVP);-
1708 return 0;
never executed: return 0;
0
1709 }-
1710 mac_size = (size_t)imac_size;-
1711 if (!ossl_assert(mac_size <= EVP_MAX_MD_SIZE)) {
!((mac_size <= 64) != 0)Description
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-47
1712 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DTLS1_PROCESS_RECORD,-
1713 ERR_R_INTERNAL_ERROR);-
1714 return 0;
never executed: return 0;
0
1715 }-
1716-
1717 /*-
1718 * orig_len is the length of the record before any padding was-
1719 * removed. This is public information, as is the MAC in use,-
1720 * therefore we can safely process the record in a different amount-
1721 * of time if it's too short to possibly contain a MAC.-
1722 */-
1723 if (rr->orig_len < mac_size ||
rr->orig_len < mac_sizeDescription
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-47
1724 /* CBC records must have a padding length byte too. */-
1725 (EVP_CIPHER_CTX_mode(s->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEevaluated 41 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libssl.so.1.1
6-41
1726 rr->orig_len < mac_size + 1)) {
rr->orig_len < mac_size + 1Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-41
1727 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_DTLS1_PROCESS_RECORD,-
1728 SSL_R_LENGTH_TOO_SHORT);-
1729 return 0;
never executed: return 0;
0
1730 }-
1731-
1732 if (EVP_CIPHER_CTX_mode(s->enc_read_ctx) == EVP_CIPH_CBC_MODE) {
(EVP_CIPHER_fl...xF0007) == 0x2Description
TRUEevaluated 41 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libssl.so.1.1
6-41
1733 /*-
1734 * We update the length so that the TLS header bytes can be-
1735 * constructed correctly but we need to extract the MAC in-
1736 * constant time from within the record, without leaking the-
1737 * contents of the padding bytes.-
1738 */-
1739 mac = mac_tmp;-
1740 if (!ssl3_cbc_copy_mac(mac_tmp, rr, mac_size)) {
!ssl3_cbc_copy... rr, mac_size)Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-41
1741 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DTLS1_PROCESS_RECORD,-
1742 ERR_R_INTERNAL_ERROR);-
1743 return 0;
never executed: return 0;
0
1744 }-
1745 rr->length -= mac_size;-
1746 } else {
executed 41 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
41
1747 /*-
1748 * In this case there's no padding, so |rec->orig_len| equals-
1749 * |rec->length| and we checked that there's enough bytes for-
1750 * |mac_size| above.-
1751 */-
1752 rr->length -= mac_size;-
1753 mac = &rr->data[rr->length];-
1754 }
executed 6 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
6
1755-
1756 i = s->method->ssl3_enc->mac(s, rr, md, 0 /* not send */ );-
1757 if (i == 0 || mac == NULL
i == 0Description
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
mac == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-47
1758 || CRYPTO_memcmp(md, mac, mac_size) != 0)
CRYPTO_memcmp(...mac_size) != 0Description
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-47
1759 enc_err = -1;
never executed: enc_err = -1;
0
1760 if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH + mac_size)
rr->length > (...24) + mac_sizeDescription
TRUEnever evaluated
FALSEevaluated 47 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-47
1761 enc_err = -1;
never executed: enc_err = -1;
0
1762 }
executed 47 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
47
1763-
1764 if (enc_err < 0) {
enc_err < 0Description
TRUEnever evaluated
FALSEevaluated 3409 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3409
1765 /* decryption failed, silently discard message */-
1766 rr->length = 0;-
1767 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1768 return 0;
never executed: return 0;
0
1769 }-
1770-
1771 /* r->length is now just compressed */-
1772 if (s->expand != NULL) {
s->expand != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 3409 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3409
1773 if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH) {
rr->length > (16384 +1024)Description
TRUEnever evaluated
FALSEnever evaluated
0
1774 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_DTLS1_PROCESS_RECORD,-
1775 SSL_R_COMPRESSED_LENGTH_TOO_LONG);-
1776 return 0;
never executed: return 0;
0
1777 }-
1778 if (!ssl3_do_uncompress(s, rr)) {
!ssl3_do_uncompress(s, rr)Description
TRUEnever evaluated
FALSEnever evaluated
0
1779 SSLfatal(s, SSL_AD_DECOMPRESSION_FAILURE,-
1780 SSL_F_DTLS1_PROCESS_RECORD, SSL_R_BAD_DECOMPRESSION);-
1781 return 0;
never executed: return 0;
0
1782 }-
1783 }
never executed: end of block
0
1784-
1785 if (rr->length > SSL3_RT_MAX_PLAIN_LENGTH) {
rr->length > 16384Description
TRUEnever evaluated
FALSEevaluated 3409 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3409
1786 SSLfatal(s, SSL_AD_RECORD_OVERFLOW, SSL_F_DTLS1_PROCESS_RECORD,-
1787 SSL_R_DATA_LENGTH_TOO_LONG);-
1788 return 0;
never executed: return 0;
0
1789 }-
1790-
1791 rr->off = 0;-
1792 /*--
1793 * So at this point the following is true-
1794 * ssl->s3->rrec.type is the type of record-
1795 * ssl->s3->rrec.length == number of bytes in record-
1796 * ssl->s3->rrec.off == offset to first valid byte-
1797 * ssl->s3->rrec.data == where to take bytes from, increment-
1798 * after use :-).-
1799 */-
1800-
1801 /* we have pulled in a full packet so zero things */-
1802 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1803-
1804 /* Mark receipt of record. */-
1805 dtls1_record_bitmap_update(s, bitmap);-
1806-
1807 return 1;
executed 3409 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
3409
1808}-
1809-
1810/*-
1811 * Retrieve a buffered record that belongs to the current epoch, i.e. processed-
1812 */-
1813#define dtls1_get_processed_record(s) \-
1814 dtls1_retrieve_buffered_record((s), \-
1815 &(DTLS_RECORD_LAYER_get_processed_rcds(&s->rlayer)))-
1816-
1817/*--
1818 * Call this to get a new input record.-
1819 * It will return <= 0 if more data is needed, normally due to an error-
1820 * or non-blocking IO.-
1821 * When it finishes, one packet has been decoded and can be found in-
1822 * ssl->s3->rrec.type - is the type of record-
1823 * ssl->s3->rrec.data, - data-
1824 * ssl->s3->rrec.length, - number of bytes-
1825 */-
1826/* used only by dtls1_read_bytes */-
1827int dtls1_get_record(SSL *s)-
1828{-
1829 int ssl_major, ssl_minor;-
1830 int rret;-
1831 size_t more, n;-
1832 SSL3_RECORD *rr;-
1833 unsigned char *p = NULL;-
1834 unsigned short version;-
1835 DTLS1_BITMAP *bitmap;-
1836 unsigned int is_next_epoch;-
1837-
1838 rr = RECORD_LAYER_get_rrec(&s->rlayer);-
1839-
1840 again:
code before this statement executed 4613 times by 1 test: again:
Executed by:
  • libssl.so.1.1
4613
1841 /*-
1842 * The epoch may have changed. If so, process all the pending records.-
1843 * This is a non-blocking operation.-
1844 */-
1845 if (!dtls1_process_buffered_records(s)) {
!dtls1_process...red_records(s)Description
TRUEnever evaluated
FALSEevaluated 4705 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4705
1846 /* SSLfatal() already called */-
1847 return -1;
never executed: return -1;
0
1848 }-
1849-
1850 /* if we're renegotiating, then there may be buffered records */-
1851 if (dtls1_get_processed_record(s))
dtls1_retrieve...cessed_rcds)))Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 4698 times by 1 test
Evaluated by:
  • libssl.so.1.1
7-4698
1852 return 1;
executed 7 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
7
1853-
1854 /* get something from the wire */-
1855-
1856 /* check if we have the header */-
1857 if ((RECORD_LAYER_get_rstate(&s->rlayer) != SSL_ST_READ_BODY) ||
(((&s->rlayer)...tate) != 0xF1)Description
TRUEevaluated 4630 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 68 times by 1 test
Evaluated by:
  • libssl.so.1.1
68-4630
1858 (RECORD_LAYER_get_packet_length(&s->rlayer) < DTLS1_RT_HEADER_LENGTH)) {
(((&s->rlayer)..._length) < 13)Description
TRUEevaluated 68 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-68
1859 rret = ssl3_read_n(s, DTLS1_RT_HEADER_LENGTH,-
1860 SSL3_BUFFER_get_len(&s->rlayer.rbuf), 0, 1, &n);-
1861 /* read timeout is handled by dtls1_read_bytes */-
1862 if (rret <= 0) {
rret <= 0Description
TRUEevaluated 1204 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3494 times by 1 test
Evaluated by:
  • libssl.so.1.1
1204-3494
1863 /* SSLfatal() already called if appropriate */-
1864 return rret; /* error or non-blocking */
executed 1204 times by 1 test: return rret;
Executed by:
  • libssl.so.1.1
1204
1865 }-
1866-
1867 /* this packet contained a partial record, dump it */-
1868 if (RECORD_LAYER_get_packet_length(&s->rlayer) !=
((&s->rlayer)-..._length) != 13Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3490 times by 1 test
Evaluated by:
  • libssl.so.1.1
4-3490
1869 DTLS1_RT_HEADER_LENGTH) {
((&s->rlayer)-..._length) != 13Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3490 times by 1 test
Evaluated by:
  • libssl.so.1.1
4-3490
1870 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1871 goto again;
executed 4 times by 1 test: goto again;
Executed by:
  • libssl.so.1.1
4
1872 }-
1873-
1874 RECORD_LAYER_set_rstate(&s->rlayer, SSL_ST_READ_BODY);-
1875-
1876 p = RECORD_LAYER_get_packet(&s->rlayer);-
1877-
1878 if (s->msg_callback)
s->msg_callbackDescription
TRUEnever evaluated
FALSEevaluated 3490 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3490
1879 s->msg_callback(0, 0, SSL3_RT_HEADER, p, DTLS1_RT_HEADER_LENGTH,
never executed: s->msg_callback(0, 0, 0x100, p, 13, s, s->msg_callback_arg);
0
1880 s, s->msg_callback_arg);
never executed: s->msg_callback(0, 0, 0x100, p, 13, s, s->msg_callback_arg);
0
1881-
1882 /* Pull apart the header into the DTLS1_RECORD */-
1883 rr->type = *(p++);-
1884 ssl_major = *(p++);-
1885 ssl_minor = *(p++);-
1886 version = (ssl_major << 8) | ssl_minor;-
1887-
1888 /* sequence number is 64 bits, with top 2 bytes = epoch */-
1889 n2s(p, rr->epoch);-
1890-
1891 memcpy(&(RECORD_LAYER_get_read_sequence(&s->rlayer)[2]), p, 6);-
1892 p += 6;-
1893-
1894 n2s(p, rr->length);-
1895 rr->read = 0;-
1896-
1897 /*-
1898 * Lets check the version. We tolerate alerts that don't have the exact-
1899 * version number (e.g. because of protocol version errors)-
1900 */-
1901 if (!s->first_packet && rr->type != SSL3_RT_ALERT) {
!s->first_packetDescription
TRUEevaluated 3091 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 399 times by 1 test
Evaluated by:
  • libssl.so.1.1
rr->type != 21Description
TRUEevaluated 2870 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 221 times by 1 test
Evaluated by:
  • libssl.so.1.1
221-3091
1902 if (version != s->version) {
version != s->versionDescription
TRUEevaluated 61 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 2809 times by 1 test
Evaluated by:
  • libssl.so.1.1
61-2809
1903 /* unexpected version, silently discard */-
1904 rr->length = 0;-
1905 rr->read = 1;-
1906 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1907 goto again;
executed 61 times by 1 test: goto again;
Executed by:
  • libssl.so.1.1
61
1908 }-
1909 }
executed 2809 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
2809
1910-
1911 if ((version & 0xff00) != (s->version & 0xff00)) {
(version & 0xf...sion & 0xff00)Description
TRUEnever evaluated
FALSEevaluated 3429 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3429
1912 /* wrong version, silently discard record */-
1913 rr->length = 0;-
1914 rr->read = 1;-
1915 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1916 goto again;
never executed: goto again;
0
1917 }-
1918-
1919 if (rr->length > SSL3_RT_MAX_ENCRYPTED_LENGTH) {
rr->length > (...(16384 +1024))Description
TRUEnever evaluated
FALSEevaluated 3429 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3429
1920 /* record too long, silently discard it */-
1921 rr->length = 0;-
1922 rr->read = 1;-
1923 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1924 goto again;
never executed: goto again;
0
1925 }-
1926-
1927 /* If received packet overflows own-client Max Fragment Length setting */-
1928 if (s->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(s->session)
s->session != ((void *)0)Description
TRUEevaluated 3233 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 196 times by 1 test
Evaluated by:
  • libssl.so.1.1
((s->session->...en_mode) >= 1)Description
TRUEnever evaluated
FALSEevaluated 3233 times by 1 test
Evaluated by:
  • libssl.so.1.1
((s->session->...en_mode) <= 4)Description
TRUEnever evaluated
FALSEnever evaluated
0-3233
1929 && rr->length > GET_MAX_FRAGMENT_LENGTH(s->session)) {
rr->length > (...len_mode - 1))Description
TRUEnever evaluated
FALSEnever evaluated
0
1930 /* record too long, silently discard it */-
1931 rr->length = 0;-
1932 rr->read = 1;-
1933 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1934 goto again;
never executed: goto again;
0
1935 }-
1936-
1937 /* now s->rlayer.rstate == SSL_ST_READ_BODY */-
1938 }
executed 3429 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
3429
1939-
1940 /* s->rlayer.rstate == SSL_ST_READ_BODY, get and decode the data */-
1941-
1942 if (rr->length >
rr->length > (...t_length) - 13Description
TRUEevaluated 3429 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-3429
1943 RECORD_LAYER_get_packet_length(&s->rlayer) - DTLS1_RT_HEADER_LENGTH) {
rr->length > (...t_length) - 13Description
TRUEevaluated 3429 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-3429
1944 /* now s->packet_length == DTLS1_RT_HEADER_LENGTH */-
1945 more = rr->length;-
1946 rret = ssl3_read_n(s, more, more, 1, 1, &n);-
1947 /* this packet contained a partial record, dump it */-
1948 if (rret <= 0 || n != more) {
rret <= 0Description
TRUEnever evaluated
FALSEevaluated 3429 times by 1 test
Evaluated by:
  • libssl.so.1.1
n != moreDescription
TRUEnever evaluated
FALSEevaluated 3429 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3429
1949 if (ossl_statem_in_error(s)) {
ossl_statem_in_error(s)Description
TRUEnever evaluated
FALSEnever evaluated
0
1950 /* ssl3_read_n() called SSLfatal() */-
1951 return -1;
never executed: return -1;
0
1952 }-
1953 rr->length = 0;-
1954 rr->read = 1;-
1955 RECORD_LAYER_reset_packet_length(&s->rlayer);-
1956 goto again;
never executed: goto again;
0
1957 }-
1958-
1959 /*-
1960 * now n == rr->length, and s->packet_length ==-
1961 * DTLS1_RT_HEADER_LENGTH + rr->length-
1962 */-
1963 }
executed 3429 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
3429
1964 /* set state for later operations */-
1965 RECORD_LAYER_set_rstate(&s->rlayer, SSL_ST_READ_HEADER);-
1966-
1967 /* match epochs. NULL means the packet is dropped on the floor */-
1968 bitmap = dtls1_get_bitmap(s, rr, &is_next_epoch);-
1969 if (bitmap == NULL) {
bitmap == ((void *)0)Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3418 times by 1 test
Evaluated by:
  • libssl.so.1.1
11-3418
1970 rr->length = 0;-
1971 RECORD_LAYER_reset_packet_length(&s->rlayer); /* dump this record */-
1972 goto again; /* get another record */
executed 11 times by 1 test: goto again;
Executed by:
  • libssl.so.1.1
11
1973 }-
1974#ifndef OPENSSL_NO_SCTP-
1975 /* Only do replay check if no SCTP bio */-
1976 if (!BIO_dgram_is_sctp(SSL_get_rbio(s))) {-
1977#endif-
1978 /* Check whether this is a repeat, or aged record. */-
1979 /*-
1980 * TODO: Does it make sense to have replay protection in epoch 0 where-
1981 * we have no integrity negotiated yet?-
1982 */-
1983 if (!dtls1_record_replay_check(s, bitmap)) {
!dtls1_record_...eck(s, bitmap)Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3411 times by 1 test
Evaluated by:
  • libssl.so.1.1
7-3411
1984 rr->length = 0;-
1985 rr->read = 1;-
1986 RECORD_LAYER_reset_packet_length(&s->rlayer); /* dump this record */-
1987 goto again; /* get another record */
executed 7 times by 1 test: goto again;
Executed by:
  • libssl.so.1.1
7
1988 }-
1989#ifndef OPENSSL_NO_SCTP-
1990 }-
1991#endif-
1992-
1993 /* just read a 0 length packet */-
1994 if (rr->length == 0) {
rr->length == 0Description
TRUEnever evaluated
FALSEevaluated 3411 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3411
1995 rr->read = 1;-
1996 goto again;
never executed: goto again;
0
1997 }-
1998-
1999 /*-
2000 * If this record is from the next epoch (either HM or ALERT), and a-
2001 * handshake is currently in progress, buffer it since it cannot be-
2002 * processed at this time.-
2003 */-
2004 if (is_next_epoch) {
is_next_epochDescription
TRUEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEevaluated 3402 times by 1 test
Evaluated by:
  • libssl.so.1.1
9-3402
2005 if ((SSL_in_init(s) || ossl_statem_get_in_handshake(s))) {
SSL_in_init(s)Description
TRUEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
ossl_statem_ge...n_handshake(s)Description
TRUEnever evaluated
FALSEnever evaluated
0-9
2006 if (dtls1_buffer_record (s,
dtls1_buffer_r...->seq_num) < 0Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-9
2007 &(DTLS_RECORD_LAYER_get_unprocessed_rcds(&s->rlayer)),
dtls1_buffer_r...->seq_num) < 0Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-9
2008 rr->seq_num) < 0) {
dtls1_buffer_r...->seq_num) < 0Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-9
2009 /* SSLfatal() already called */-
2010 return -1;
never executed: return -1;
0
2011 }-
2012 }
executed 9 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
9
2013 rr->length = 0;-
2014 rr->read = 1;-
2015 RECORD_LAYER_reset_packet_length(&s->rlayer);-
2016 goto again;
executed 9 times by 1 test: goto again;
Executed by:
  • libssl.so.1.1
9
2017 }-
2018-
2019 if (!dtls1_process_record(s, bitmap)) {
!dtls1_process...ord(s, bitmap)Description
TRUEnever evaluated
FALSEevaluated 3402 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-3402
2020 if (ossl_statem_in_error(s)) {
ossl_statem_in_error(s)Description
TRUEnever evaluated
FALSEnever evaluated
0
2021 /* dtls1_process_record() called SSLfatal */-
2022 return -1;
never executed: return -1;
0
2023 }-
2024 rr->length = 0;-
2025 rr->read = 1;-
2026 RECORD_LAYER_reset_packet_length(&s->rlayer); /* dump this record */-
2027 goto again; /* get another record */
never executed: goto again;
0
2028 }-
2029-
2030 return 1;
executed 3402 times by 1 test: return 1;
Executed by:
  • libssl.so.1.1
3402
2031-
2032}-
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