/src/openssl/crypto/asn1/asn_mstbl.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright 2012-2017 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 <stdio.h> |
11 | | #include <openssl/crypto.h> |
12 | | #include "internal/cryptlib.h" |
13 | | #include <openssl/conf.h> |
14 | | #include <openssl/x509v3.h> |
15 | | |
16 | | /* Multi string module: add table entries from a given section */ |
17 | | |
18 | | static int do_tcreate(const char *value, const char *name); |
19 | | |
20 | | static int stbl_module_init(CONF_IMODULE *md, const CONF *cnf) |
21 | 0 | { |
22 | 0 | int i; |
23 | 0 | const char *stbl_section; |
24 | 0 | STACK_OF(CONF_VALUE) *sktmp; |
25 | 0 | CONF_VALUE *mval; |
26 | 0 |
|
27 | 0 | stbl_section = CONF_imodule_get_value(md); |
28 | 0 | if ((sktmp = NCONF_get_section(cnf, stbl_section)) == NULL) { |
29 | 0 | ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION); |
30 | 0 | return 0; |
31 | 0 | } |
32 | 0 | for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { |
33 | 0 | mval = sk_CONF_VALUE_value(sktmp, i); |
34 | 0 | if (!do_tcreate(mval->value, mval->name)) { |
35 | 0 | ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_INVALID_VALUE); |
36 | 0 | return 0; |
37 | 0 | } |
38 | 0 | } |
39 | 0 | return 1; |
40 | 0 | } |
41 | | |
42 | | static void stbl_module_finish(CONF_IMODULE *md) |
43 | 0 | { |
44 | 0 | ASN1_STRING_TABLE_cleanup(); |
45 | 0 | } |
46 | | |
47 | | void ASN1_add_stable_module(void) |
48 | 0 | { |
49 | 0 | CONF_module_add("stbl_section", stbl_module_init, stbl_module_finish); |
50 | 0 | } |
51 | | |
52 | | /* |
53 | | * Create an table entry based on a name value pair. format is oid_name = |
54 | | * n1:v1, n2:v2,... where name is "min", "max", "mask" or "flags". |
55 | | */ |
56 | | |
57 | | static int do_tcreate(const char *value, const char *name) |
58 | | { |
59 | | char *eptr; |
60 | | int nid, i, rv = 0; |
61 | | long tbl_min = -1, tbl_max = -1; |
62 | | unsigned long tbl_mask = 0, tbl_flags = 0; |
63 | | STACK_OF(CONF_VALUE) *lst = NULL; |
64 | | CONF_VALUE *cnf = NULL; |
65 | | nid = OBJ_sn2nid(name); |
66 | | if (nid == NID_undef) |
67 | | nid = OBJ_ln2nid(name); |
68 | | if (nid == NID_undef) |
69 | | goto err; |
70 | | lst = X509V3_parse_list(value); |
71 | | if (!lst) |
72 | | goto err; |
73 | | for (i = 0; i < sk_CONF_VALUE_num(lst); i++) { |
74 | | cnf = sk_CONF_VALUE_value(lst, i); |
75 | | if (strcmp(cnf->name, "min") == 0) { |
76 | | tbl_min = strtoul(cnf->value, &eptr, 0); |
77 | | if (*eptr) |
78 | | goto err; |
79 | | } else if (strcmp(cnf->name, "max") == 0) { |
80 | | tbl_max = strtoul(cnf->value, &eptr, 0); |
81 | | if (*eptr) |
82 | | goto err; |
83 | | } else if (strcmp(cnf->name, "mask") == 0) { |
84 | | if (!ASN1_str2mask(cnf->value, &tbl_mask) || !tbl_mask) |
85 | | goto err; |
86 | | } else if (strcmp(cnf->name, "flags") == 0) { |
87 | | if (strcmp(cnf->value, "nomask") == 0) |
88 | | tbl_flags = STABLE_NO_MASK; |
89 | | else if (strcmp(cnf->value, "none") == 0) |
90 | | tbl_flags = STABLE_FLAGS_CLEAR; |
91 | | else |
92 | | goto err; |
93 | | } else |
94 | | goto err; |
95 | | } |
96 | | rv = 1; |
97 | | err: |
98 | | if (rv == 0) { |
99 | | ASN1err(ASN1_F_DO_TCREATE, ASN1_R_INVALID_STRING_TABLE_VALUE); |
100 | | if (cnf) |
101 | | ERR_add_error_data(4, "field=", cnf->name, |
102 | | ", value=", cnf->value); |
103 | | else |
104 | | ERR_add_error_data(4, "name=", name, ", value=", value); |
105 | | } else { |
106 | | rv = ASN1_STRING_TABLE_add(nid, tbl_min, tbl_max, |
107 | | tbl_mask, tbl_flags); |
108 | | if (!rv) |
109 | | ASN1err(ASN1_F_DO_TCREATE, ERR_R_MALLOC_FAILURE); |
110 | | } |
111 | | sk_CONF_VALUE_pop_free(lst, X509V3_conf_free); |
112 | | return rv; |
113 | | } |