1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
#include <openssl/pem.h>
#include <vppinfra/error.h>
#include "certs.h"
int
ptls_compare_separator_line (const char *line, const char *begin_or_end,
const char *label)
{
int ret = strncmp (line, "-----", 5);
size_t text_index = 5;
if (ret == 0)
{
size_t begin_or_end_length = strlen (begin_or_end);
ret = strncmp (line + text_index, begin_or_end, begin_or_end_length);
text_index += begin_or_end_length;
}
if (ret == 0)
{
ret = line[text_index] - ' ';
text_index++;
}
if (ret == 0)
{
size_t label_length = strlen (label);
ret = strncmp (line + text_index, label, label_length);
text_index += label_length;
}
if (ret == 0)
{
ret = strncmp (line + text_index, "-----", 5);
}
return ret;
}
int
ptls_get_bio_pem_object (BIO * bio, const char *label, ptls_buffer_t * buf)
{
int ret = PTLS_ERROR_PEM_LABEL_NOT_FOUND;
char line[256];
ptls_base64_decode_state_t state;
/* Get the label on a line by itself */
while (BIO_gets (bio, line, 256))
{
if (ptls_compare_separator_line (line, "BEGIN", label) == 0)
{
ret = 0;
ptls_base64_decode_init (&state);
break;
}
}
/* Get the data in the buffer */
while (ret == 0 && BIO_gets (bio, line, 256))
{
if (ptls_compare_separator_line (line, "END", label) == 0)
{
if (state.status == PTLS_BASE64_DECODE_DONE
|| (state.status == PTLS_BASE64_DECODE_IN_PROGRESS
&& state.nbc == 0))
{
ret = 0;
}
else
{
ret = PTLS_ERROR_INCORRECT_BASE64;
}
break;
}
else
{
ret = ptls_base64_decode (line, &state, buf);
}
}
return ret;
}
int
ptls_load_bio_pem_objects (BIO * bio, const char *label, ptls_iovec_t * list,
size_t list_max, size_t * nb_objects)
{
int ret = 0;
size_t count = 0;
*nb_objects = 0;
if (ret == 0)
{
while (count < list_max)
{
ptls_buffer_t buf;
ptls_buffer_init (&buf, "", 0);
ret = ptls_get_bio_pem_object (bio, label, &buf);
if (ret == 0)
{
if (buf.off > 0 && buf.is_allocated)
{
list[count].base = buf.base;
list[count].len = buf.off;
count++;
}
else
{
ptls_buffer_dispose (&buf);
}
}
else
{
ptls_buffer_dispose (&buf);
break;
}
}
}
if (ret == PTLS_ERROR_PEM_LABEL_NOT_FOUND && count > 0)
{
ret = 0;
}
*nb_objects = count;
return ret;
}
#define PTLS_MAX_CERTS_IN_CONTEXT 16
int
ptls_load_bio_certificates (ptls_context_t * ctx, BIO * bio)
{
int ret = 0;
ctx->certificates.list =
(ptls_iovec_t *) malloc (PTLS_MAX_CERTS_IN_CONTEXT *
sizeof (ptls_iovec_t));
if (ctx->certificates.list == NULL)
{
ret = PTLS_ERROR_NO_MEMORY;
}
else
{
ret =
ptls_load_bio_pem_objects (bio, "CERTIFICATE", ctx->certificates.list,
PTLS_MAX_CERTS_IN_CONTEXT,
&ctx->certificates.count);
}
return ret;
}
int
load_bio_certificate_chain (ptls_context_t * ctx, const char *cert_data)
{
BIO *cert_bio;
cert_bio = BIO_new_mem_buf (cert_data, -1);
if (ptls_load_bio_certificates (ctx, cert_bio) != 0)
{
BIO_free (cert_bio);
return -1;
}
BIO_free (cert_bio);
return 0;
}
int
load_bio_private_key (ptls_context_t * ctx, const char *pk_data)
{
static ptls_openssl_sign_certificate_t sc;
EVP_PKEY *pkey;
BIO *key_bio;
key_bio = BIO_new_mem_buf (pk_data, -1);
pkey = PEM_read_bio_PrivateKey (key_bio, NULL, NULL, NULL);
BIO_free (key_bio);
if (pkey == NULL)
return -1;
ptls_openssl_init_sign_certificate (&sc, pkey);
EVP_PKEY_free (pkey);
ctx->sign_certificate = &sc.super;
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
