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kexecdhs.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssh/src/kexecdhs.c
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11static int input_kex_ecdh_init(int, u_int32_t, struct ssh *);-
12-
13int-
14kexecdh_server(struct ssh *ssh)-
15{-
16 debug("expecting SSH2_MSG_KEX_ECDH_INIT");-
17 ssh_dispatch_set(ssh, 30, &input_kex_ecdh_init);-
18 return
executed 60 times by 1 test: return 0;
Executed by:
  • test_kex
 0;
executed 60 times by 1 test: return 0;
Executed by:
  • test_kex
60
19}-
20-
21static int-
22input_kex_ecdh_init(int type, u_int32_t seq, struct ssh *ssh)-
23{-
24 struct kex *kex = ssh->kex;-
25 EC_POINT *client_public;-
26 EC_KEY *server_key = -
27 ((void *)0)-
28 ;-
29 const EC_GROUP *group;-
30 const EC_POINT *public_key;-
31 BIGNUM *shared_secret = -
32 ((void *)0)-
33 ;-
34 struct sshkey *server_host_private, *server_host_public;-
35 u_char *server_host_key_blob = -
36 ((void *)0)-
37 , *signature = -
38 ((void *)0)-
39 ;-
40 u_char *kbuf = -
41 ((void *)0)-
42 ;-
43 u_char hash[64];-
44 size_t slen, sbloblen;-
45 size_t klen = 0, hashlen;-
46 int r;-
47-
48 if ((
(server_key = ...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
server_key = EC_KEY_new_by_curve_name(kex->ec_nid)) ==
(server_key = ...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
49 ((void *)0)
(server_key = ...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
50 ) {-
51 r = -2;-
52 goto
never executed: goto out;
 out;
never executed: goto out;
0
53 }-
54 if (EC_KEY_generate_key(server_key) != 1
EC_KEY_generat...rver_key) != 1Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
) {		0-60
55 r = -22;-
56 goto
never executed: goto out;
 out;
never executed: goto out;
0
57 }-
58 group = EC_KEY_get0_group(server_key);-
59-
60-
61-
62-
63-
64-
65 if (kex->load_host_public_key ==
kex->load_host...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
66 ((void *)0)
kex->load_host...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 		0-60
67 ||-
68 kex->load_host_private_key ==
kex->load_host...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
69 ((void *)0)
kex->load_host...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
70 ) {-
71 r = -10;-
72 goto
never executed: goto out;
 out;
never executed: goto out;
0
73 }-
74 server_host_public = kex->load_host_public_key(kex->hostkey_type,-
75 kex->hostkey_nid, ssh);-
76 server_host_private = kex->load_host_private_key(kex->hostkey_type,-
77 kex->hostkey_nid, ssh);-
78 if (server_host_public ==
server_host_pu...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
79 ((void *)0)
server_host_pu...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
80 ) {-
81 r = -36;-
82 goto
never executed: goto out;
 out;
never executed: goto out;
0
83 }-
84 if ((
(client_public...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
client_public = EC_POINT_new(group)) ==
(client_public...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
85 ((void *)0)
(client_public...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
86 ) {-
87 r = -2;-
88 goto
never executed: goto out;
 out;
never executed: goto out;
0
89 }-
90 if ((
(r = sshpkt_ge..., group)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_get_ec(ssh, client_public, group)) != 0
(r = sshpkt_ge..., group)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 ||		0-60
91 (
(r = sshpkt_get_end(ssh)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_get_end(ssh)) != 0
(r = sshpkt_get_end(ssh)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
)		0-60
92 goto
never executed: goto out;
 out;
never executed: goto out;
0
93-
94-
95-
96-
97-
98 if (sshkey_ec_validate_public(group, client_public) != 0
sshkey_ec_vali...t_public) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
) {		0-60
99 sshpkt_disconnect(ssh, "invalid client public key");-
100 r = -3;-
101 goto
never executed: goto out;
 out;
never executed: goto out;
0
102 }-
103-
104-
105 klen = (EC_GROUP_get_degree(group) + 7) / 8;-
106 if ((
(kbuf = malloc...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
kbuf = malloc(klen)) ==
(kbuf = malloc...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
107 ((void *)0)
(kbuf = malloc...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 		0-60
108 ||-
109 (
(shared_secret...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
shared_secret = BN_new()) ==
(shared_secret...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
110 ((void *)0)
(shared_secret...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
111 ) {-
112 r = -2;-
113 goto
never executed: goto out;
 out;
never executed: goto out;
0
114 }-
115 if (ECDH_compute_key(kbuf, klen, client_public,
ECDH_compute_k...) != (int)klenDescription
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
116 server_key,
ECDH_compute_k...) != (int)klenDescription
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
117 ((void *)0)
ECDH_compute_k...) != (int)klenDescription
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
118 ) != (int)klen
ECDH_compute_k...) != (int)klenDescription
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 ||		0-60
119 BN_bin2bn(kbuf, klen, shared_secret) ==
BN_bin2bn(kbuf...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
120 ((void *)0)
BN_bin2bn(kbuf...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
121 ) {-
122 r = -22;-
123 goto
never executed: goto out;
 out;
never executed: goto out;
0
124 }-
125-
126-
127-
128-
129-
130 if ((
(r = sshkey_to...bloblen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshkey_to_blob(server_host_public, &server_host_key_blob,
(r = sshkey_to...bloblen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
131 &sbloblen)) != 0
(r = sshkey_to...bloblen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
)		0-60
132 goto
never executed: goto out;
 out;
never executed: goto out;
0
133 hashlen = sizeof(hash);-
134 if ((
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = kex_ecdh_hash(
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
135 kex->hash_alg,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
136 group,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
137 kex->client_version_string,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
138 kex->server_version_string,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
139 sshbuf_ptr(kex->peer), sshbuf_len(kex->peer),
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
140 sshbuf_ptr(kex->my), sshbuf_len(kex->my),
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
141 server_host_key_blob, sbloblen,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
142 client_public,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
143 EC_KEY_get0_public_key(server_key),
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
144 shared_secret,
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
145 hash, &hashlen)) != 0
(r = kex_ecdh_...hashlen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
)		0-60
146 goto
never executed: goto out;
 out;
never executed: goto out;
0
147-
148-
149 if (kex->session_id ==
kex->session_id == ((void *)0)Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • test_kex
FALSEevaluated 48 times by 1 test
Evaluated by:
  • test_kex
12-48
150 ((void *)0)
kex->session_id == ((void *)0)Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • test_kex
FALSEevaluated 48 times by 1 test
Evaluated by:
  • test_kex
12-48
151 ) {-
152 kex->session_id_len = hashlen;-
153 kex->session_id = malloc(kex->session_id_len);-
154 if (kex->session_id ==
kex->session_id == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
  • test_kex
0-12
155 ((void *)0)
kex->session_id == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
  • test_kex
0-12
156 ) {-
157 r = -2;-
158 goto
never executed: goto out;
 out;
never executed: goto out;
0
159 }-
160 memcpy(kex->session_id, hash, kex->session_id_len);-
161 }
executed 12 times by 1 test: end of block
Executed by:
  • test_kex
12
162-
163-
164 if ((
(r = kex->sign...->compat)) < 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = kex->sign(server_host_private, server_host_public, &signature,
(r = kex->sign...->compat)) < 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
0-60
165 &slen, hash, hashlen, kex->hostkey_alg, ssh->compat)) < 0
(r = kex->sign...->compat)) < 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
)		0-60
166 goto
never executed: goto out;
 out;
never executed: goto out;
0
167-
168-
169-
170 public_key = EC_KEY_get0_public_key(server_key);-
171-
172 if ((
(r = sshpkt_st...ssh, 31)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_start(ssh, 31)) != 0
(r = sshpkt_st...ssh, 31)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 ||		0-60
173 (
(r = sshpkt_pu...bloblen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0
(r = sshpkt_pu...bloblen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 ||		0-60
174 (
(r = sshpkt_pu..., group)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_put_ec(ssh, public_key, group)) != 0
(r = sshpkt_pu..., group)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 ||		0-60
175 (
(r = sshpkt_pu...e, slen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_put_string(ssh, signature, slen)) != 0
(r = sshpkt_pu...e, slen)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
 ||		0-60
176 (
(r = sshpkt_send(ssh)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
r = sshpkt_send(ssh)) != 0
(r = sshpkt_send(ssh)) != 0Description
TRUEnever evaluated
FALSEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
)		0-60
177 goto
never executed: goto out;
 out;
never executed: goto out;
0
178-
179 if ((
(r = kex_deriv..._secret)) == 0Description
TRUEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
FALSEnever evaluated
r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0
(r = kex_deriv..._secret)) == 0Description
TRUEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
FALSEnever evaluated
)		0-60
180 r = kex_send_newkeys(ssh);
executed 60 times by 1 test: r = kex_send_newkeys(ssh);
Executed by:
  • test_kex
60
181 out:
code before this statement executed 60 times by 1 test: out:
Executed by:
  • test_kex
60
182 explicit_bzero(hash, sizeof(hash));-
183 EC_KEY_free(kex->ec_client_key);-
184 kex->ec_client_key = -
185 ((void *)0)-
186 ;-
187 EC_KEY_free(server_key);-
188 if (kbuf
kbufDescription
TRUEevaluated 60 times by 1 test
Evaluated by:
  • test_kex
FALSEnever evaluated
) {		0-60
189 explicit_bzero(kbuf, klen);-
190 free(kbuf);-
191 }
executed 60 times by 1 test: end of block
Executed by:
  • test_kex
60
192 BN_clear_free(shared_secret);-
193 free(server_host_key_blob);-
194 free(signature);-
195 return
executed 60 times by 1 test: return r;
Executed by:
  • test_kex
 r;
executed 60 times by 1 test: return r;
Executed by:
  • test_kex
60
196}-
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