1 | /** |
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2 | ** abac_verifier.c |
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3 | **/ |
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4 | |
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5 | // include the GNU extension of asprintf |
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6 | #define _GNU_SOURCE |
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7 | |
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8 | #include <stdio.h> |
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9 | #include <sys/types.h> |
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10 | #include <assert.h> |
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11 | |
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12 | #include <library.h> |
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13 | |
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14 | #include <chunk.h> |
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15 | #include "abac_internal.h" |
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16 | #include "abac_util.h" |
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17 | #include "abac_context.h" |
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18 | #include "abac_list.h" |
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19 | #include "abac_stack.h" |
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20 | #include "uthash.h" |
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21 | #include "abac_id.h" |
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22 | #include "abac_attribute.h" |
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23 | #include "abac_pl_yap.h" |
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24 | |
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25 | static int debug=0; |
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26 | static int hack=1; |
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27 | |
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28 | /* need to add locks onto theseXXX */ |
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29 | /* hash table base on sha with a p */ |
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30 | struct _abac_id_credential_t { |
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31 | char *hashkeyid; |
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32 | abac_id_t *id; |
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33 | UT_hash_handle hh; |
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34 | }; |
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35 | |
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36 | /* can store either role or oset */ |
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37 | struct _abac_credential_t { |
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38 | char *hashkeyid; |
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39 | abac_attribute_t *attr; |
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40 | UT_hash_handle hh; |
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41 | }; |
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42 | |
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43 | typedef struct _abac_verifier_session_t { |
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44 | abac_list_t *contexts; |
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45 | char *stub; /* namespace stub */ |
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46 | |
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47 | abac_id_credential_t *id_creds; |
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48 | /* linked list of all the ids's hashkeyid */ |
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49 | abac_list_t *id_hashkeyid_list; |
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50 | |
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51 | /* hash table base on encoded attr rule */ |
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52 | /* can store either role or oset */ |
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53 | abac_credential_t *attr_creds; |
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54 | abac_list_t *attr_hashkeyid_list; |
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55 | |
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56 | } abac_verifier_session_t; |
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57 | |
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58 | |
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59 | /* **GLOBAL** the one and only */ |
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60 | abac_verifier_session_t *abac_session=NULL; |
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61 | |
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62 | /* local */ |
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63 | abac_id_t *abac_id_credential_id(abac_id_credential_t *ptr); |
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64 | char *abac_idtype_string(int i); |
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65 | abac_credential_t *abac_credential_dup(abac_credential_t *ptr); |
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66 | /****************************************************************/ |
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67 | void show_debug_info(const char *msg) |
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68 | { |
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69 | int ctxt_sz=0; |
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70 | int id_sz=0; |
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71 | int attr_sz=0; |
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72 | if(abac_session !=NULL) { |
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73 | ctxt_sz=abac_list_size(abac_session->contexts); |
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74 | id_sz=abac_list_size(abac_session->id_hashkeyid_list); |
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75 | attr_sz=abac_list_size(abac_session->attr_hashkeyid_list); |
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76 | } |
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77 | fprintf(stderr,"/* ===== %s ======== */\n",msg); |
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78 | fprintf(stderr," number of contexts: %d\n",ctxt_sz); |
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79 | fprintf(stderr," number of principals: %d\n",id_sz); |
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80 | fprintf(stderr," number of attributes: %d\n",attr_sz); |
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81 | |
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82 | } |
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83 | |
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84 | static void _check_id_cred(abac_id_credential_t *id_cred) |
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85 | { |
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86 | if(id_cred) { |
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87 | printf("checking on this id_cred location %ld\n", (long)id_cred); |
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88 | printf(" --> sha is (%s)\n", abac_id_keyid(id_cred->id)); |
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89 | printf(" --> cn is (%s)\n", abac_id_cn(id_cred->id)); |
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90 | } |
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91 | } |
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92 | |
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93 | /* retrieve the cn that is associated with this sha_string, checking |
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94 | with just the master list */ |
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95 | char *abac_cn_with_sha(char *sha_string) |
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96 | { |
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97 | // get the issuer based on keyid |
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98 | abac_id_credential_t *id_cred; |
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99 | HASH_FIND_STR(abac_session->id_creds, sha_string, id_cred); |
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100 | if (id_cred == NULL) { |
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101 | return NULL; |
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102 | } |
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103 | if(debug) |
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104 | _check_id_cred(id_cred); |
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105 | return abac_id_cn(id_cred->id); |
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106 | } |
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107 | |
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108 | char *abac_idtype_with_sha(char* sha_string) |
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109 | { |
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110 | // get the issuer based on keyid |
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111 | abac_id_credential_t *id_cred; |
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112 | HASH_FIND_STR(abac_session->id_creds, sha_string, id_cred); |
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113 | if (id_cred == NULL) { |
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114 | // this id, sha string is not in the db... |
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115 | DEBUG_PRINTF("abac_idtype_with_sha: this id is not in the id_creds list\n"); |
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116 | return NULL; |
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117 | } |
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118 | int idtype=abac_id_idtype(id_cred->id); |
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119 | return abac_idtype_string(idtype); |
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120 | } |
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121 | |
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122 | /****************************************************************/ |
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123 | /** |
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124 | * abac_credential_t |
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125 | **/ |
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126 | abac_id_credential_t *abac_id_credential_new(abac_id_t *a_id) |
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127 | { |
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128 | char *keyid=abac_id_keyid(a_id); |
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129 | |
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130 | abac_id_credential_t *id_cred = abac_xmalloc(sizeof(abac_id_credential_t)); |
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131 | id_cred->hashkeyid = abac_xstrdup(keyid); |
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132 | id_cred->id=abac_id_dup(a_id); |
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133 | return id_cred; |
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134 | } |
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135 | |
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136 | abac_id_credential_t *abac_id_credential_dup(abac_id_credential_t *ptr) |
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137 | { |
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138 | assert(ptr != NULL); |
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139 | DEBUG_PRINTF("calling abac_id_credential_dup, increment id ref count\n"); |
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140 | abac_id_dup(ptr->id); |
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141 | return ptr; |
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142 | } |
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143 | |
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144 | abac_id_t *abac_id_credential_id(abac_id_credential_t *ptr) |
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145 | { |
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146 | assert(ptr); |
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147 | return ptr->id; |
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148 | } |
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149 | |
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150 | char *abac_id_credential_hashkey(abac_id_credential_t *ptr) |
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151 | { |
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152 | assert(ptr); |
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153 | return ptr->hashkeyid; |
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154 | } |
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155 | |
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156 | /* XXX needs to lock this !! */ |
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157 | void abac_add_id_cred(abac_id_credential_t *id_cred) |
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158 | { |
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159 | HASH_ADD_KEYPTR(hh, abac_session->id_creds, id_cred->hashkeyid, |
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160 | strlen(id_cred->hashkeyid), id_cred); |
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161 | abac_list_add(abac_session->id_hashkeyid_list, |
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162 | abac_xstrdup(id_cred->hashkeyid)); |
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163 | |
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164 | DEBUG_PRINTF("-->adding into master id_creds, key(%s)..idx(%d)sz(%d)\n", |
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165 | id_cred->hashkeyid, HASH_COUNT(abac_session->id_creds), |
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166 | abac_list_size(abac_session->id_hashkeyid_list)); |
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167 | } |
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168 | |
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169 | abac_id_credential_t *abac_check_id_cred(char *keyid) |
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170 | { |
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171 | abac_id_credential_t *id_cred=NULL; |
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172 | HASH_FIND_STR(abac_session->id_creds, keyid, id_cred); |
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173 | return id_cred; |
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174 | } |
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175 | |
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176 | void abac_id_credential_free(abac_id_credential_t *ptr) |
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177 | { |
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178 | char *keyid=ptr->hashkeyid; |
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179 | int found=0; |
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180 | |
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181 | DEBUG_PRINTF("abac_id_credential_free: keyid(%s)\n", keyid); |
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182 | |
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183 | char *cur=NULL; |
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184 | abac_list_foreach(abac_session->id_hashkeyid_list, cur, |
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185 | if(strcmp(cur,keyid)==0) { |
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186 | found=1; |
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187 | break; |
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188 | } |
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189 | ); |
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190 | assert(found==1); // big panic |
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191 | |
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192 | // this is very tricky... |
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193 | int last=abac_id_lastone(ptr->id); |
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194 | if(!last) { |
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195 | abac_id_free(ptr->id); |
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196 | } else { |
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197 | DEBUG_PRINTF("abac_id_credential_free: deleting id (%s)(%s)\n",abac_id_name(ptr->id), cur); |
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198 | abac_list_remove(abac_session->id_hashkeyid_list, cur); |
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199 | free(cur); |
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200 | |
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201 | free(ptr->hashkeyid); |
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202 | abac_id_free(ptr->id); |
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203 | HASH_DEL(abac_session->id_creds, ptr); |
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204 | free(ptr); |
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205 | } |
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206 | } |
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207 | |
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208 | /****************************************************************/ |
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209 | /** |
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210 | * abac_credential_t |
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211 | **/ |
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212 | |
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213 | abac_credential_t *abac_credential_new(abac_attribute_t *attr, char* key) |
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214 | { |
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215 | abac_credential_t *cred = abac_xmalloc(sizeof(abac_credential_t)); |
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216 | cred->hashkeyid=abac_xstrdup(key); |
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217 | cred->attr=abac_attribute_dup(attr); |
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218 | return cred; |
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219 | } |
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220 | |
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221 | abac_attribute_t *abac_credential_attribute(abac_credential_t *ptr) |
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222 | { |
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223 | assert(ptr!=NULL); |
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224 | return ptr->attr; |
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225 | } |
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226 | |
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227 | abac_credential_t *abac_credential_dup(abac_credential_t *ptr) |
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228 | { |
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229 | assert(ptr != NULL); |
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230 | abac_attribute_dup(ptr->attr); |
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231 | return ptr; |
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232 | } |
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233 | |
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234 | void abac_add_cred(abac_credential_t *cred) |
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235 | { |
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236 | HASH_ADD_KEYPTR(hh, abac_session->attr_creds, cred->hashkeyid, |
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237 | strlen(cred->hashkeyid), cred); |
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238 | abac_list_add(abac_session->attr_hashkeyid_list, |
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239 | abac_xstrdup(cred->hashkeyid)); |
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240 | |
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241 | DEBUG_PRINTF("-->adding into master attr_creds, key(%s)..idx(%d)sz(%d)\n", |
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242 | abac_decode_string(cred->hashkeyid), HASH_COUNT(abac_session->attr_creds), |
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243 | abac_list_size(abac_session->attr_hashkeyid_list)); |
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244 | } |
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245 | |
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246 | |
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247 | abac_aspect_t *abac_credential_head(abac_credential_t *cred) |
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248 | { |
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249 | return abac_attribute_head(cred->attr); |
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250 | } |
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251 | |
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252 | abac_aspect_t *abac_credential_tail(abac_credential_t *cred) |
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253 | { |
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254 | return abac_attribute_tail(cred->attr); |
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255 | } |
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256 | |
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257 | char *abac_credential_hashkey(abac_credential_t *ptr) |
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258 | { |
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259 | assert(ptr); |
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260 | return ptr->hashkeyid; |
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261 | } |
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262 | |
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263 | abac_credential_t *abac_check_cred(char *keyid) |
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264 | { |
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265 | abac_credential_t *cred=NULL; |
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266 | HASH_FIND_STR(abac_session->attr_creds, keyid, cred); |
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267 | return cred; |
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268 | } |
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269 | |
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270 | /** |
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271 | * Decrease the reference count of a credential, freeing it when it reaches 0. |
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272 | */ |
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273 | void abac_credential_free(abac_credential_t *ptr) |
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274 | { |
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275 | /* first make sure it is there */ |
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276 | char *keyid=ptr->hashkeyid; |
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277 | int found=0; |
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278 | |
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279 | DEBUG_PRINTF("abac_credential_free: keyid(%s)\n", keyid); |
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280 | |
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281 | char *cur; |
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282 | abac_list_foreach(abac_session->attr_hashkeyid_list, cur, |
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283 | if(strcmp(cur,keyid)==0) { |
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284 | found=1; |
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285 | break; |
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286 | } |
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287 | ); |
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288 | assert(found==1); // big panic |
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289 | |
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290 | // this is very tricky... |
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291 | int last=abac_attribute_lastone(ptr->attr); |
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292 | if(!last) { |
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293 | abac_attribute_free(ptr->attr); |
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294 | } else { |
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295 | |
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296 | abac_list_remove(abac_session->attr_hashkeyid_list, cur); |
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297 | free(cur); |
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298 | |
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299 | DEBUG_PRINTF("abac_credential_free: real free for (%d)\n",(int) ptr); |
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300 | free(ptr->hashkeyid); |
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301 | abac_attribute_free(ptr->attr); |
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302 | HASH_DEL(abac_session->attr_creds, ptr); |
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303 | free(ptr); |
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304 | } |
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305 | } |
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306 | |
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307 | /****************************************************************/ |
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308 | void abac_print_cred_info(abac_credential_t *cred, FILE *fp) |
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309 | { |
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310 | if(fp == NULL) |
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311 | fp=stdout; |
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312 | |
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313 | abac_attribute_t *ptr=cred->attr; |
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314 | abac_aspect_t *head=abac_attribute_head(ptr); |
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315 | abac_aspect_t *tail=abac_attribute_tail(ptr); |
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316 | |
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317 | fprintf(fp," "); |
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318 | abac_print_aspect_string_with_condition(head,fp); |
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319 | fprintf(fp," <- "); |
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320 | abac_print_aspect_string_with_condition(tail,fp); |
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321 | fprintf(fp,"\n"); |
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322 | } |
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323 | |
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324 | void abac_print_prin_info(abac_id_credential_t *prin, FILE *fp) |
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325 | { |
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326 | if(fp == NULL) |
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327 | fp=stdout; |
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328 | |
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329 | abac_id_t *ptr=abac_id_credential_id(prin); |
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330 | if(abac_id_has_privkey(ptr)) |
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331 | fprintf(fp," [%s,%s] #y\n",abac_id_idtype_string(ptr), abac_id_name(ptr)); |
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332 | else |
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333 | fprintf(fp," [%s,%s] #n\n", abac_id_idtype_string(ptr), abac_id_name(ptr)); |
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334 | } |
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335 | |
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336 | void abac_print_typed_cred_info(abac_credential_t *cred, FILE *fp) |
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337 | { |
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338 | if(fp == NULL) |
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339 | fp=stdout; |
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340 | |
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341 | abac_attribute_t *ptr=cred->attr; |
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342 | abac_aspect_t *head=abac_attribute_head(ptr); |
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343 | abac_aspect_t *tail=abac_attribute_tail(ptr); |
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344 | |
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345 | fprintf(fp," "); |
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346 | abac_print_aspect_typed_string_with_condition(head,fp); |
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347 | fprintf(fp," <- "); |
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348 | abac_print_aspect_typed_string_with_condition(tail,fp); |
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349 | fprintf(fp,"\n"); |
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350 | } |
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351 | |
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352 | |
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353 | /* not duplicated */ |
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354 | abac_credential_t *abac_credential_lookup(char* cred_string) |
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355 | { |
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356 | assert(cred_string); |
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357 | DEBUG_PRINTF("abac_credential_lookup: looking for (%s)\n", cred_string); |
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358 | abac_credential_t *attr_cred; |
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359 | HASH_FIND_STR(abac_session->attr_creds, cred_string, attr_cred); |
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360 | if (attr_cred == NULL) { |
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361 | DEBUG_PRINTF("abac_credential_lookup:NOT FOUND..\n"); |
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362 | return NULL; |
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363 | } |
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364 | DEBUG_PRINTF("abac_credential_lookup:FOUND, looking for (%s)\n", cred_string); |
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365 | abac_credential_t *rt=attr_cred; |
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366 | return rt; |
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367 | } |
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368 | |
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369 | /* not duplicated */ |
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370 | abac_id_credential_t *abac_id_credential_lookup(char* name) |
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371 | { |
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372 | assert(name); |
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373 | DEBUG_PRINTF("abac_id_credential_lookup: looking for (%s)\n", name); |
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374 | abac_id_credential_t *id_cred; |
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375 | HASH_FIND_STR(abac_session->id_creds, name, id_cred); |
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376 | if (id_cred == NULL) { |
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377 | DEBUG_PRINTF("abac_id_credential_lookup:NOT FOUND..\n"); |
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378 | return NULL; |
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379 | } |
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380 | DEBUG_PRINTF(" --> sha is (%s)\n", abac_id_keyid(id_cred->id)); |
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381 | DEBUG_PRINTF(" --> cn is (%s)\n", abac_id_cn(id_cred->id)); |
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382 | return id_cred; |
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383 | } |
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384 | |
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385 | /* collect all the creds stored so far for the session */ |
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386 | abac_stack_t *abac_dump_creds() |
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387 | { |
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388 | abac_stack_t *cred_list = abac_stack_new(); |
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389 | |
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390 | int cnt=0; |
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391 | if(abac_session->attr_hashkeyid_list) { |
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392 | char *keyid; |
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393 | abac_credential_t *cred; |
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394 | abac_list_foreach(abac_session->attr_hashkeyid_list, keyid, |
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395 | cred=abac_credential_lookup(keyid); |
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396 | abac_stack_push(cred_list, cred); |
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397 | cnt++; |
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398 | ); |
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399 | } |
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400 | DEBUG_PRINTF("abac_dump_cred: %d\n",cnt); |
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401 | return cred_list; |
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402 | } |
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403 | |
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404 | |
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405 | /* collect all the id creds stored so far for the session */ |
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406 | abac_stack_t *abac_dump_principals() |
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407 | { |
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408 | abac_stack_t *id_list = abac_stack_new(); |
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409 | |
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410 | int cnt=0; |
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411 | if(abac_session->id_hashkeyid_list) { |
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412 | char *keyid; |
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413 | abac_id_credential_t *id; |
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414 | abac_list_foreach(abac_session->id_hashkeyid_list, keyid, |
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415 | id=abac_id_credential_lookup(keyid); |
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416 | abac_stack_push(id_list, id); |
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417 | cnt++; |
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418 | ); |
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419 | } |
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420 | DEBUG_PRINTF("abac_dump_principals: %d\n",cnt); |
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421 | return id_list; |
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422 | } |
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423 | |
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424 | /** |
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425 | * Return the encoding of the attribute cert. |
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426 | */ |
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427 | abac_chunk_t abac_credential_attribute_cert(abac_credential_t *cred) { |
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428 | abac_attribute_t *ptr=cred->attr; |
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429 | certificate_t *cert=abac_attribute_cert(ptr); |
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430 | chunk_t encoding = chunk_empty; |
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431 | int rc=cert->get_encoding(cert,CERT_ASN1_DER,&encoding); |
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432 | abac_chunk_t ret = { encoding.ptr, encoding.len }; |
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433 | return ret; |
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434 | } |
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435 | |
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436 | /** |
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437 | * Return the encoding of the issuer cert. |
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438 | */ |
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439 | abac_chunk_t abac_credential_issuer_cert(abac_credential_t *cred) |
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440 | { |
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441 | certificate_t *issuer_cert=abac_attribute_issuer_cert(cred->attr); |
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442 | assert(issuer_cert); |
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443 | chunk_t encoding = chunk_empty; |
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444 | // XXX MEI, not sure ?? |
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445 | int rc=issuer_cert->get_encoding(issuer_cert,CERT_ASN1_DER,&encoding); |
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446 | abac_chunk_t ret = { encoding.ptr, encoding.len }; |
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447 | return ret; |
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448 | } |
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449 | |
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450 | |
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451 | /****************************************************************/ |
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452 | |
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453 | void abac_verifier_session_new() |
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454 | { |
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455 | assert(abac_session==NULL); |
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456 | abac_session = abac_xmalloc(sizeof(abac_verifier_session_t)); |
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457 | abac_session->stub=abac_xstrdup("abac_"); |
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458 | abac_session->contexts=abac_list_new(); |
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459 | |
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460 | abac_session->attr_hashkeyid_list = abac_list_new(); |
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461 | abac_session->id_hashkeyid_list = abac_list_new(); |
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462 | abac_session->id_creds=NULL; |
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463 | abac_session->attr_creds=NULL; |
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464 | |
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465 | abac_pl_init(); |
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466 | } |
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467 | |
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468 | void abac_verifier_session_free() |
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469 | { |
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470 | DEBUG_PRINTF("abac_verifier_session_free: freeing...\n"); |
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471 | if(abac_session->stub) free(abac_session->stub); |
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472 | |
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473 | int size=abac_list_size(abac_session->contexts); |
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474 | if(size) { |
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475 | abac_context_t *cur; |
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476 | abac_stack_t *tmp=abac_stack_new(); |
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477 | abac_list_foreach(abac_session->contexts, cur, |
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478 | if(cur) abac_stack_push(tmp,cur); |
---|
479 | ); |
---|
480 | while(size) { |
---|
481 | cur=(abac_context_t *) abac_stack_pop(tmp); |
---|
482 | abac_context_free(cur); |
---|
483 | size--; |
---|
484 | } |
---|
485 | abac_stack_free(tmp); |
---|
486 | } |
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487 | abac_list_free(abac_session->contexts); |
---|
488 | |
---|
489 | abac_id_credential_t *ptr; |
---|
490 | int id_sz=abac_list_size(abac_session->id_hashkeyid_list); |
---|
491 | DEBUG_PRINTF("abac_verifier_session_free: number of ids(%d)\n",id_sz); |
---|
492 | while ((ptr = abac_session->id_creds) != NULL) { |
---|
493 | DEBUG_PRINTF("abac_verifier_session_free: deleting id (%s)\n",abac_id_name(ptr->id)); |
---|
494 | HASH_DEL(abac_session->id_creds, ptr); |
---|
495 | free(ptr->hashkeyid); |
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496 | abac_id_free(ptr->id); |
---|
497 | free(ptr); |
---|
498 | } |
---|
499 | |
---|
500 | abac_credential_t *ptr2; |
---|
501 | int attr_sz=abac_list_size(abac_session->attr_hashkeyid_list); |
---|
502 | DEBUG_PRINTF("abac_verifier_session_free: number of attrs(%d)\n",attr_sz); |
---|
503 | while ((ptr2 = abac_session->attr_creds) != NULL) { |
---|
504 | HASH_DEL(abac_session->attr_creds, ptr2); |
---|
505 | DEBUG_PRINTF("abac_verifier_session_free: deleting attr hashkey(%s)\n",ptr2->hashkeyid); |
---|
506 | free(ptr2->hashkeyid); |
---|
507 | abac_attribute_free(ptr2->attr); |
---|
508 | free(ptr2); |
---|
509 | } |
---|
510 | |
---|
511 | if(abac_session->attr_hashkeyid_list) { |
---|
512 | DEBUG_PRINTF("looking to free attr_hashkeyid_list..\n"); |
---|
513 | char *cur; |
---|
514 | abac_list_foreach(abac_session->attr_hashkeyid_list, cur, |
---|
515 | if(cur) free(cur); |
---|
516 | ); |
---|
517 | abac_list_free(abac_session->attr_hashkeyid_list); |
---|
518 | } |
---|
519 | |
---|
520 | if(abac_session->id_hashkeyid_list) { |
---|
521 | DEBUG_PRINTF("looking to free id_hashkeyid_list..\n"); |
---|
522 | char *cur; |
---|
523 | abac_list_foreach(abac_session->id_hashkeyid_list, cur, |
---|
524 | if(cur) { |
---|
525 | DEBUG_PRINTF("hum.. id hashkey being freed.. %s\n", cur); |
---|
526 | free(cur); |
---|
527 | } |
---|
528 | ); |
---|
529 | abac_list_free(abac_session->id_hashkeyid_list); |
---|
530 | } |
---|
531 | free(abac_session); |
---|
532 | abac_session=NULL; |
---|
533 | } |
---|
534 | |
---|
535 | /* long int random(void); */ |
---|
536 | char *abac_verifier_session_next_namespace() |
---|
537 | { |
---|
538 | char *tmp=NULL; |
---|
539 | asprintf(&tmp,"%s_%ld",abac_session->stub,random()); |
---|
540 | return tmp; |
---|
541 | } |
---|
542 | |
---|
543 | void abac_verifier_session_add_context(abac_context_t *ctx) |
---|
544 | { |
---|
545 | abac_list_add(abac_session->contexts, ctx); |
---|
546 | } |
---|
547 | |
---|
548 | void abac_verifier_session_dump() |
---|
549 | { |
---|
550 | printf("....SESSION....\n"); |
---|
551 | int cnt=abac_list_size(abac_session->contexts); |
---|
552 | abac_context_t *cur; |
---|
553 | abac_list_foreach(abac_session->contexts, cur, |
---|
554 | if(cur) abac_context_dump(cur); |
---|
555 | ); |
---|
556 | } |
---|
557 | |
---|
558 | int abac_verifier_session_remove_context(abac_context_t *ctx) |
---|
559 | { |
---|
560 | int rc=abac_list_remove(abac_session->contexts, ctx); |
---|
561 | if(rc!=1) { |
---|
562 | DEBUG_PRINTF("abac_verifier_session_remove_context, ??? did not find context\n"); |
---|
563 | exit(ABAC_VERIFIER_UNKNOWN_CONTEXT); |
---|
564 | } |
---|
565 | return rc; |
---|
566 | } |
---|
567 | |
---|
568 | abac_context_t *abac_verifier_session_context_lookup(char *namespace) |
---|
569 | { |
---|
570 | abac_context_t *cur; |
---|
571 | abac_list_foreach(abac_session->contexts, cur, |
---|
572 | if(strcmp(abac_context_namespace(cur),namespace)==0) |
---|
573 | return cur; |
---|
574 | ); |
---|
575 | return NULL; |
---|
576 | } |
---|
577 | |
---|
578 | /****************************************************************/ |
---|
579 | int abac_verify_idtype_type(char *type) { |
---|
580 | if (type == NULL) return 0; |
---|
581 | return abac_idtype_lookup(type); |
---|
582 | } |
---|
583 | |
---|
584 | // verify that cert was issued by issuer |
---|
585 | // cert and issuer can be the same, in which case the self-sig is validated |
---|
586 | int verify_signature(certificate_t *issuer_cert, certificate_t *cert) |
---|
587 | { |
---|
588 | /** XXX for strongswan 5.0.1 |
---|
589 | if (cert->issued_by(cert, issuer_cert, NULL)) |
---|
590 | */ |
---|
591 | if (cert->issued_by(cert, issuer_cert)) |
---|
592 | if (cert->get_validity(cert, NULL, NULL, NULL)) { |
---|
593 | return 1; |
---|
594 | } |
---|
595 | return 0; |
---|
596 | } |
---|
597 | |
---|
598 | /** |
---|
599 | * Init the verifier subsystem. |
---|
600 | */ |
---|
601 | void abac_verifier_init(void) { |
---|
602 | // silence all debugging |
---|
603 | |
---|
604 | DEBUG_PRINTF("abac_verifier_init... init strongswan..\n"); |
---|
605 | if (!library_init(NULL)) |
---|
606 | exit(SS_RC_LIBSTRONGSWAN_INTEGRITY); |
---|
607 | |
---|
608 | if (!lib->plugins->load(lib->plugins, NULL, |
---|
609 | lib->settings->get_str(lib->settings, "pki.load", PLUGINS))) |
---|
610 | exit(SS_RC_INITIALIZATION_FAILED); |
---|
611 | |
---|
612 | abac_verifier_session_new(); |
---|
613 | } |
---|
614 | |
---|
615 | /** |
---|
616 | * Uninitialize the system, free up any allocated memory. |
---|
617 | */ |
---|
618 | void abac_verifier_deinit(void) { |
---|
619 | DEBUG_PRINTF("abac_verifier_deinit... being called..\n"); |
---|
620 | abac_verifier_session_free(); |
---|
621 | /* XXX crashs in swig/python?java, it is as some threads before |
---|
622 | getting into library deinit */ |
---|
623 | if(!hack) { |
---|
624 | DEBUG_PRINTF("now it is time to deinit strongswan lib..\n"); |
---|
625 | library_deinit(); |
---|
626 | } |
---|
627 | } |
---|