1 | /** |
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2 | ** abac_id.c |
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3 | **/ |
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4 | |
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5 | #define _GNU_SOURCE |
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6 | #include <stdio.h> |
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7 | #include <err.h> |
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8 | #include <assert.h> |
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9 | #include <time.h> |
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10 | |
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11 | #include "abac_util.h" |
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12 | #include "abac_key.h" |
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13 | #include "abac_verifier.h" |
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14 | #include "abac_util_cert.h" |
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15 | |
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16 | static int debug=0; |
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17 | |
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18 | /* load id into a session when id is being created instead |
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19 | of when id is added into a context */ |
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20 | static int early_load_id=1; |
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21 | |
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22 | /* idtypename[idtype] */ |
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23 | static const char * const _idtypename[] = |
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24 | { |
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25 | "badidtype", "keyid" |
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26 | }; |
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27 | static int _idtypename_cnt=1; |
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28 | |
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29 | |
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30 | // abac_id object |
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31 | struct _abac_id_t { |
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32 | int idtype; /* default to string 'keyid' for now */ |
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33 | char *keyid; /* sha */ |
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34 | char *cn; |
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35 | certificate_t *cert; |
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36 | abac_key_t *key; |
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37 | int refcount; |
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38 | }; |
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39 | |
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40 | #define KEY_SUFFIX "_private.pem" |
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41 | #define CERT_SUFFIX "_ID.pem" |
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42 | |
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43 | |
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44 | /* local */ |
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45 | char *abac_id_keyid(abac_id_t*); |
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46 | abac_id_t *abac_id_copy(abac_id_t *id); |
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47 | /****************************************************************/ |
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48 | // |
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49 | // Helper functions below |
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50 | // |
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51 | int abac_idtype_lookup(char *type) |
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52 | { |
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53 | int i; |
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54 | for (i = 1; i <= _idtypename_cnt ; i++) |
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55 | if(strcmp(type,_idtypename[i])==0) |
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56 | return i; |
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57 | return 0; |
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58 | } |
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59 | |
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60 | char *abac_idtype_string(int i) |
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61 | { |
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62 | if(i > _idtypename_cnt) { |
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63 | printf("bad idtypename idx %d\n", i); |
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64 | panic("abac_idtype_string: went out of range on idtypename"); |
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65 | } |
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66 | return (char*) _idtypename[i]; |
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67 | } |
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68 | |
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69 | |
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70 | static char *_create_dn(char *cn) |
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71 | { |
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72 | #define DN "cn=" |
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73 | |
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74 | char *dn = abac_xmalloc(sizeof(DN) + strlen(cn)); |
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75 | memcpy(dn, DN, sizeof(DN)); |
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76 | strcat(dn, cn); |
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77 | |
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78 | return dn; |
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79 | } |
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80 | |
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81 | void abac_id_dump_from_id(abac_id_t *id) |
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82 | { |
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83 | fprintf(stderr,"abac_id_dump_id: \n"); |
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84 | fprintf(stderr,"idtype: %d\n",id->idtype); |
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85 | fprintf(stderr,"keyid: %s\n",id->keyid); |
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86 | fprintf(stderr,"cn: %s\n", id->cn); |
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87 | fprintf(stderr,"refcount: %d\n",id->refcount); |
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88 | if(id->key !=NULL) fprintf(stderr,"has private key\n"); |
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89 | if(id->cert !=NULL) fprintf(stderr,"has cert\n"); |
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90 | } |
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91 | |
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92 | void abac_id_dump_from_cert(certificate_t *cert) |
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93 | { |
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94 | char *ret; |
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95 | fprintf(stderr,"abac_id_dump_from_cert: \n"); |
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96 | int rv = asprintf(&ret, "%Y", cert->get_issuer(cert)); |
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97 | fprintf(stderr,"issuer: %s\n",ret); |
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98 | fprintf(stderr,"keyid: %s\n",cert_get_keyid(cert)); |
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99 | } |
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100 | |
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101 | |
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102 | /** |
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103 | * |
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104 | * Preload ID into sessions' master list before being |
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105 | * loaded into some context |
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106 | * |
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107 | **/ |
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108 | |
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109 | static int _add_into_id_credentials(abac_id_t *id) |
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110 | { |
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111 | char *keyid=abac_id_keyid(id); |
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112 | abac_id_credential_t *idcred=abac_id_credential_lookup(keyid); |
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113 | if(idcred !=NULL) { |
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114 | if(debug) fprintf(stderr,"_add_into_id_credentials: something in there for %s\n",keyid); |
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115 | idcred=abac_id_credential_dup(idcred); |
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116 | } else { |
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117 | if(debug) fprintf(stderr,"_add_into_id_credentials: adding %s\n",keyid); |
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118 | if(early_load_id) { |
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119 | /* this id needed to be deep copyed, because it is going into our |
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120 | session id credential list */ |
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121 | abac_id_t *nid = abac_id_copy(id); |
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122 | idcred=abac_id_credential_new(nid); |
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123 | abac_add_id_cred(idcred); |
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124 | } |
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125 | } |
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126 | } |
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127 | |
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128 | /** |
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129 | * Generate ID certificate. |
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130 | * |
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131 | * validity is measured in seconds (as of 0.2.0) |
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132 | */ |
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133 | static certificate_t *_generate_cert(abac_key_t *keyptr, char *cn, int validity) { |
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134 | // build the DN |
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135 | char *dn_string = _create_dn(cn); |
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136 | libabac_init(); |
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137 | |
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138 | DEBUG_PRINTF("\n_generate_cert: id cert for cn(%s)with dn(%s)\n", cn, dn_string); |
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139 | |
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140 | identification_t *iden = identification_create_from_string(dn_string); |
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141 | if (iden == NULL) |
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142 | errx(1, "couldn't create ID from DN %s", dn_string); |
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143 | free(dn_string); |
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144 | |
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145 | // get the private key |
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146 | private_key_t *private = abac_key_private_key(keyptr); |
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147 | if(private == NULL) |
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148 | errx(1, "couldn't create ID without private key"); |
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149 | |
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150 | public_key_t *public = private->get_public_key(private); |
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151 | if (public == NULL) |
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152 | errx(1, "couldn't get public key from private key"); |
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153 | |
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154 | // create a serial (stolen from strongswan pki) |
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155 | rng_t *rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK); |
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156 | if (!rng) |
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157 | errx(1, "no random number generator"); |
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158 | |
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159 | // random serial |
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160 | chunk_t serial = abac_generate_serial(); |
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161 | |
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162 | // validity period |
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163 | time_t not_before = time(NULL); |
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164 | time_t not_after = not_before + validity; |
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165 | |
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166 | // create! |
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167 | certificate_t *cert = lib->creds->create(lib->creds, |
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168 | CRED_CERTIFICATE, CERT_X509, |
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169 | BUILD_SIGNING_KEY, private, |
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170 | BUILD_PUBLIC_KEY, public, |
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171 | BUILD_SUBJECT, iden, |
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172 | BUILD_NOT_BEFORE_TIME, not_before, |
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173 | BUILD_NOT_AFTER_TIME, not_after, |
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174 | BUILD_SERIAL, serial, |
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175 | BUILD_DIGEST_ALG, HASH_SHA1, |
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176 | BUILD_X509_FLAG, X509_CA, |
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177 | BUILD_PATHLEN, X509_NO_CONSTRAINT, |
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178 | BUILD_END |
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179 | ); |
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180 | if (cert == NULL) |
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181 | errx(1, "couldn't build cert :("); |
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182 | |
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183 | DESTROY_IF(iden); |
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184 | DESTROY_IF(public); |
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185 | DESTROY_IF(private); |
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186 | free(serial.ptr); |
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187 | |
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188 | return cert; |
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189 | } |
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190 | |
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191 | /* from libstrongswan, chunk.h |
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192 | chunk_t chunk_from_base64(chunk_t base64, char *buf); |
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193 | chunk_t chunk_to_base64(chunk_t chunk, char *buf); |
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194 | chunk_t b64 = chunk_to_base64(chunk, NULL); |
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195 | chunk_t chk = chunk_from_base64(base64, NULL); |
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196 | */ |
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197 | #define BYTES_PER_LINE 64 |
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198 | |
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199 | // thx libstrongswan |
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200 | static void _encode_base64(FILE *out, chunk_t encoding) { |
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201 | int start; |
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202 | |
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203 | chunk_t b64 = chunk_to_base64(encoding, NULL); |
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204 | |
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205 | fprintf(out, "-----BEGIN CERTIFICATE-----\n"); |
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206 | |
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207 | for (start = 0; start < b64.len; start += BYTES_PER_LINE) { |
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208 | int left = b64.len - start; |
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209 | int len = left < BYTES_PER_LINE ? left : BYTES_PER_LINE; |
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210 | fwrite(b64.ptr + start, len, 1, out); |
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211 | fprintf(out, "\n"); |
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212 | } |
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213 | |
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214 | fprintf(out, "-----END CERTIFICATE-----\n"); |
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215 | |
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216 | free(b64.ptr); |
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217 | } |
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218 | /****************************************************************/ |
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219 | int abac_id_idtype(abac_id_t *id) |
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220 | { |
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221 | assert(id != NULL); |
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222 | return id->idtype; |
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223 | } |
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224 | |
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225 | char* abac_id_idtype_string(abac_id_t *id) |
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226 | { |
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227 | assert(id != NULL); |
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228 | return abac_idtype_string(id->idtype); |
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229 | } |
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230 | |
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231 | char *abac_id_keyid(abac_id_t *id) { |
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232 | assert(id != NULL); |
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233 | return id->keyid; |
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234 | } |
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235 | |
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236 | char *abac_id_cn(abac_id_t *id) { |
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237 | assert(id != NULL); |
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238 | return id->cn; |
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239 | } |
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240 | |
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241 | static int _abac_id_set_cn(abac_id_t *id, char* cn) { |
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242 | if(cn) { |
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243 | if(id->cn != NULL) |
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244 | free(id->cn); |
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245 | id->cn = abac_xstrdup(cn); |
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246 | } |
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247 | return 0; |
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248 | } |
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249 | |
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250 | |
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251 | char *abac_id_name(abac_id_t *id) |
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252 | { |
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253 | assert(id != NULL); |
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254 | if(USE("ABAC_CN")) |
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255 | return abac_id_cn(id); |
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256 | else return abac_id_keyid(id); |
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257 | } |
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258 | |
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259 | char *abac_id_string(abac_id_t *id) |
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260 | { |
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261 | char *tmp=NULL; |
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262 | if(abac_id_has_privkey(id)) |
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263 | asprintf(&tmp,"(%s,%s,y)",abac_id_name(id),abac_id_idtype_string(id)); |
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264 | else asprintf(&tmp,"(%s,%s,n)",abac_id_name(id),abac_id_idtype_string(id)); |
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265 | return tmp; |
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266 | } |
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267 | |
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268 | /** |
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269 | * Get the issuer of an ID cert. |
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270 | * Returns a malloc'd string that must be free'd. |
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271 | */ |
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272 | char *abac_id_issuer(abac_id_t *id) { |
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273 | char *ret; |
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274 | int rv = asprintf(&ret, "%Y", id->cert->get_issuer(id->cert)); |
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275 | |
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276 | if (rv < 0) |
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277 | err(1, "couldn't malloc string for issuer\n"); |
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278 | |
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279 | return ret; |
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280 | } |
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281 | |
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282 | int abac_id_lastone(abac_id_t *ptr) |
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283 | { |
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284 | assert(ptr); |
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285 | if(ptr->refcount == 1) |
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286 | return 1; |
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287 | return 0; |
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288 | } |
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289 | |
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290 | |
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291 | /** |
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292 | * Gets the subject DN of an ID cert. |
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293 | * Returns a malloc'd string that must be free'd. |
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294 | */ |
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295 | char *abac_id_subject(abac_id_t *id) { |
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296 | char *ret; |
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297 | int rv = asprintf(&ret, "%Y", id->cert->get_subject(id->cert)); |
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298 | |
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299 | if (rv < 0) |
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300 | err(1, "couldn't malloc string for subject\n"); |
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301 | |
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302 | return ret; |
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303 | } |
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304 | |
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305 | /** |
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306 | * Get the validity period. |
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307 | */ |
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308 | void abac_id_validity(abac_id_t *id, time_t *not_before, time_t *not_after) { |
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309 | id->cert->get_validity(id->cert, NULL, not_before, not_after); |
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310 | } |
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311 | |
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312 | certificate_t *abac_id_cert(abac_id_t *id) |
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313 | { |
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314 | assert(id != NULL); |
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315 | return id->cert; |
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316 | } |
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317 | |
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318 | private_key_t *abac_id_privkey(abac_id_t *id) |
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319 | { |
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320 | assert(id != NULL); |
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321 | if(id->key !=0) |
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322 | return abac_key_private_key(id->key); |
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323 | return NULL; |
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324 | } |
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325 | |
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326 | abac_key_t *abac_id_keyptr(abac_id_t *id) |
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327 | { |
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328 | assert(id!=NULL); |
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329 | return id->key; |
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330 | } |
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331 | |
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332 | int abac_id_has_privkey(abac_id_t *id) |
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333 | { |
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334 | if(id && id->key !=0) |
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335 | return 1; |
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336 | return 0; |
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337 | } |
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338 | |
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339 | // convert a chunk to a lowercase binary string |
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340 | // malloc's the string |
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341 | static char *_chunk_to_string(chunk_t chunk) { |
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342 | int i; |
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343 | |
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344 | char *ret = abac_xmalloc(chunk.len * 2 + 1); |
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345 | |
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346 | for (i = 0; i < chunk.len; ++i) |
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347 | sprintf(ret + 2 * i, "%02x", chunk.ptr[i]); |
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348 | |
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349 | return ret; |
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350 | } |
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351 | |
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352 | /** |
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353 | * Write the ID cert to an open file pointer. |
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354 | */ |
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355 | void abac_id_write_cert(abac_id_t *id, FILE *out) { |
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356 | assert(id != NULL); |
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357 | |
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358 | chunk_t encoding = chunk_empty; |
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359 | int rc=id->cert->get_encoding(id->cert,CERT_ASN1_DER,&encoding); |
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360 | if(rc) { |
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361 | _encode_base64(out, encoding); |
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362 | } |
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363 | } |
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364 | |
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365 | /** |
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366 | * Write the private key to a file. |
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367 | * Returns false if there's no private key loaded |
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368 | */ |
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369 | int abac_id_write_privkey(abac_id_t *id, FILE *out) |
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370 | { |
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371 | return abac_key_write_privkey(id->key, out); |
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372 | } |
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373 | |
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374 | /** |
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375 | * Get a DER-encoded chunk representing the cert. |
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376 | */ |
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377 | abac_chunk_t abac_id_cert_chunk(abac_id_t *id) { |
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378 | assert(id->cert); |
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379 | chunk_t encoding = chunk_empty; |
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380 | int rc= id->cert->get_encoding(id->cert, CERT_ASN1_DER, &encoding); |
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381 | abac_chunk_t ret= { encoding.ptr, encoding.len }; |
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382 | return ret; |
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383 | } |
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384 | |
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385 | /** |
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386 | * Get a PEM-encoded chunk representing the private key |
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387 | */ |
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388 | abac_chunk_t abac_id_privkey_chunk(abac_id_t *id) |
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389 | { |
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390 | chunk_t tmp=chunk_empty; |
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391 | if(id->key) |
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392 | tmp=abac_key_chunk(id->key); |
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393 | abac_chunk_t ret= {tmp.ptr, tmp.len}; |
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394 | return ret; |
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395 | } |
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396 | |
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397 | void abac_id_print_key_chunk(abac_id_t *id) |
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398 | { |
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399 | if(id->key) |
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400 | print_abac_key("abac_id_print_key_chunk",id->key); |
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401 | } |
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402 | |
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403 | /** |
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404 | * Copy an abac ID. Actually just increases its reference count. |
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405 | */ |
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406 | abac_id_t *abac_id_dup(abac_id_t *id) |
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407 | { |
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408 | if(id) |
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409 | ++id->refcount; |
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410 | return id; |
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411 | } |
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412 | |
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413 | void abac_id_free(abac_id_t *id) { |
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414 | |
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415 | if (id == NULL) |
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416 | return; |
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417 | |
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418 | DEBUG_PRINTF("\nabac_id_free: deleting id with cn(%s)with sha(%s) at(%ld)\n", id->cn, id->keyid, (long)id); |
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419 | |
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420 | --id->refcount; |
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421 | if (id->refcount > 0) |
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422 | return; |
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423 | |
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424 | // free once the reference count reaches 0 |
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425 | DESTROY_IF(id->cert); |
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426 | |
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427 | if(id->key) { |
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428 | DEBUG_PRINTF("abac_id_free: deleting id with cn(%s)at(%ld)key(%ld)\n", id->cn, (long)id, (long)id->key); |
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429 | abac_key_free(id->key); |
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430 | } |
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431 | |
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432 | free(id->keyid); |
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433 | free(id->cn); |
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434 | free(id); |
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435 | } |
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436 | |
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437 | /****************************************************************/ |
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438 | /** |
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439 | * Default private key filename. Value must be freed by caller. |
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440 | */ |
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441 | char *abac_id_privkey_filename(abac_id_t *id) { |
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442 | assert(id != NULL); |
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443 | assert(id->cn != NULL); |
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444 | |
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445 | /* this cn has pCN attached to it */ |
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446 | char *filename = NULL; |
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447 | char* ptr=id->cn; |
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448 | asprintf(&filename, "%s%s",(ptr+1),KEY_SUFFIX); |
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449 | return filename; |
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450 | } |
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451 | |
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452 | /** |
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453 | * Get the default filename for the cert. Value must be freed by caller. |
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454 | */ |
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455 | char *abac_id_cert_filename(abac_id_t *id) { |
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456 | assert(id != NULL); |
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457 | assert(id->cn != NULL); |
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458 | |
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459 | /* this cn has pCN attached to it */ |
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460 | char *filename = NULL; |
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461 | char* ptr=id->cn; |
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462 | asprintf(&filename, "%s%s",(ptr+1),CERT_SUFFIX); |
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463 | return filename; |
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464 | } |
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465 | |
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466 | /****************************************************************/ |
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467 | |
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468 | /* |
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469 | ** Create an ID from tidbits info |
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470 | */ |
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471 | abac_id_t *abac_id_new(int idtype,char *keyid, char *cn, |
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472 | certificate_t *cert) |
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473 | { |
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474 | if(debug) |
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475 | fprintf(stderr,"abac_id_new, keyid(%s), cn(%s) keyid from cert(%s)\n", |
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476 | keyid,cn, cert_get_keyid(cert)); |
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477 | |
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478 | abac_id_t *id = abac_xmalloc(sizeof(abac_id_t)); |
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479 | id->idtype = idtype; |
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480 | id->keyid = abac_xstrdup(keyid); |
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481 | id->cn = abac_xstrdup(cn); |
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482 | id->cert = cert; |
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483 | id->key = NULL; |
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484 | id->refcount = 1; |
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485 | _add_into_id_credentials(id); |
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486 | return id; |
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487 | } |
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488 | |
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489 | static certificate_t *_certificate_copy(certificate_t *cert) |
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490 | { |
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491 | chunk_t encoding = chunk_empty; |
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492 | int rc=cert->get_encoding(cert,CERT_ASN1_DER,&encoding); |
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493 | certificate_t *ncert = cert_get_id_cert_from_chunk(encoding); |
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494 | return ncert; |
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495 | } |
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496 | |
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497 | /* |
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498 | hard duplicate of an id |
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499 | This is used by the libabac interface for case the where |
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500 | abac_context_load_id(abac_id_t *id) is called. We want |
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501 | the structure being kept in libabac to be locally held |
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502 | so that we are not subject to destructor being called on |
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503 | the structure by some other system or being called in |
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504 | certain way that is not fully controlled by libabac. |
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505 | */ |
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506 | abac_id_t *abac_id_copy(abac_id_t *id) |
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507 | { |
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508 | assert(id); |
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509 | abac_id_t *nid = abac_xmalloc(sizeof(abac_id_t)); |
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510 | nid->idtype = id->idtype; |
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511 | nid->keyid = abac_xstrdup(id->keyid); |
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512 | nid->cn = abac_xstrdup(id->cn); |
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513 | nid->cert = _certificate_copy(id->cert); |
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514 | if(id->key) |
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515 | nid->key = abac_key_copy(id->key); |
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516 | else nid->key=NULL; |
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517 | nid->refcount = id->refcount+1; |
---|
518 | return nid; |
---|
519 | } |
---|
520 | |
---|
521 | abac_id_t *abac_id_keyid_new(char *keyid, char *cn, certificate_t *cert) |
---|
522 | { |
---|
523 | return abac_id_new(e_KEYID,keyid,cn,cert); |
---|
524 | } |
---|
525 | |
---|
526 | static abac_id_t *_abac_id_from_cert(certificate_t *cert) |
---|
527 | { |
---|
528 | abac_id_t *id = abac_xmalloc(sizeof(abac_id_t)); |
---|
529 | id->idtype = e_KEYID; |
---|
530 | id->keyid = NULL; |
---|
531 | id->cn = NULL; |
---|
532 | id->cert = cert; |
---|
533 | id->key = NULL; |
---|
534 | |
---|
535 | id->keyid = cert_get_keyid(id->cert); |
---|
536 | // get the CN from the cert |
---|
537 | id_part_t type; |
---|
538 | chunk_t data; |
---|
539 | |
---|
540 | identification_t *cert_id = id->cert->get_subject(id->cert); |
---|
541 | enumerator_t *id_enum = cert_id->create_part_enumerator(cert_id); |
---|
542 | while (id_enum->enumerate(id_enum, &type, &data)) |
---|
543 | if (type == ID_PART_RDN_CN) { |
---|
544 | id->cn = abac_xmalloc(data.len + 2); |
---|
545 | id->cn[0]='p'; |
---|
546 | memcpy(&id->cn[1], data.ptr, data.len); |
---|
547 | id->cn[data.len+1] = 0; |
---|
548 | } |
---|
549 | id_enum->destroy(id_enum); |
---|
550 | |
---|
551 | if(id->cn != NULL) { |
---|
552 | if(debug) fprintf(stderr, "_abac_id_from_cert, found cn (%s)\n", id->cn); |
---|
553 | } else { /* have to prepend a p */ |
---|
554 | char *tmp=NULL; |
---|
555 | asprintf(&tmp,"p%s",id->keyid); |
---|
556 | _abac_id_set_cn(id,tmp); |
---|
557 | free(tmp); |
---|
558 | if(debug) fprintf(stderr,"_abac_id_from_cert, did not find cn, set it to (%s)\n", id->cn); |
---|
559 | } |
---|
560 | |
---|
561 | id->refcount = 1; |
---|
562 | _add_into_id_credentials(id); |
---|
563 | return id; |
---|
564 | } |
---|
565 | |
---|
566 | /** |
---|
567 | * Create an ID cert from a file. |
---|
568 | * this one does not add id into id hash list |
---|
569 | */ |
---|
570 | abac_id_t *abac_id_from_file(char *filename) { |
---|
571 | |
---|
572 | /* make sure file exists */ |
---|
573 | if(!file_exist(filename)) return NULL; |
---|
574 | |
---|
575 | libabac_init(); |
---|
576 | certificate_t *cert = cert_get_id_cert_from_file(filename); |
---|
577 | |
---|
578 | if (cert == NULL) return NULL; |
---|
579 | |
---|
580 | return _abac_id_from_cert(cert); |
---|
581 | } |
---|
582 | |
---|
583 | /** |
---|
584 | * Create an ID cert from a chunk. |
---|
585 | */ |
---|
586 | abac_id_t *abac_id_from_chunk(abac_chunk_t achunk) |
---|
587 | { |
---|
588 | chunk_t chunk = { .ptr = achunk.ptr, .len = achunk.len }; |
---|
589 | certificate_t *cert = cert_get_id_cert_from_chunk(chunk); |
---|
590 | |
---|
591 | if (cert == NULL) return NULL; |
---|
592 | |
---|
593 | return _abac_id_from_cert(cert); |
---|
594 | } |
---|
595 | |
---|
596 | /** |
---|
597 | * Generate an ID with the specified CN and validity. |
---|
598 | * |
---|
599 | * validity is measured in seconds (as of 0.2.0) |
---|
600 | */ |
---|
601 | int abac_id_generate(abac_id_t **ret, char *cn, int validity) |
---|
602 | { |
---|
603 | if (cn == NULL || !abac_validate_clean_name(cn)) |
---|
604 | return ABAC_ID_GENERATE_INVALID_CN; |
---|
605 | |
---|
606 | DEBUG_PRINTF("abac_id_generate: generating id with cn(%s)\n",cn); |
---|
607 | |
---|
608 | if (validity < 0) |
---|
609 | return ABAC_ID_GENERATE_INVALID_VALIDITY; |
---|
610 | |
---|
611 | if (validity == 0) validity = 1080 * 86400; |
---|
612 | |
---|
613 | abac_id_t *id = abac_xmalloc(sizeof(abac_id_t)); |
---|
614 | |
---|
615 | char *tmp=NULL; |
---|
616 | asprintf(&tmp,"p%s",cn); |
---|
617 | id->idtype = e_KEYID; |
---|
618 | id->cn = tmp; |
---|
619 | id->key = abac_key_generate(); |
---|
620 | id->cert = _generate_cert(id->key, cn, validity); |
---|
621 | id->keyid = cert_get_keyid(id->cert); |
---|
622 | |
---|
623 | id->refcount = 1; |
---|
624 | _add_into_id_credentials(id); |
---|
625 | |
---|
626 | *ret = id; |
---|
627 | return ABAC_ID_SUCCESS; |
---|
628 | } |
---|
629 | |
---|
630 | |
---|
631 | /** |
---|
632 | * Generate an ID with the specified CN and validity and a passphrase. |
---|
633 | * |
---|
634 | * validity is measured in seconds (as of 0.2.0) |
---|
635 | */ |
---|
636 | int abac_id_generate_with_key(abac_id_t **ret, char *cn, int validity, char *filename, char *pfile) { |
---|
637 | if (cn == NULL || !abac_validate_clean_name(cn)) |
---|
638 | return ABAC_ID_GENERATE_INVALID_CN; |
---|
639 | |
---|
640 | if(debug) { |
---|
641 | fprintf(stderr,"abac_id_generate: generating id with cn(%s) and privkey(%s)", |
---|
642 | cn, filename); |
---|
643 | if(pfile) fprintf(stderr,"pfile(%s)\n",pfile); |
---|
644 | else fprintf(stderr,"\n"); |
---|
645 | } |
---|
646 | |
---|
647 | if (validity < 0) |
---|
648 | return ABAC_ID_GENERATE_INVALID_VALIDITY; |
---|
649 | |
---|
650 | if (validity == 0) validity = 1080 * 86400; |
---|
651 | |
---|
652 | chunk_t pp=chunk_empty; |
---|
653 | if(pfile && strlen(pfile)!=0) { |
---|
654 | if(!file_exist(pfile)) |
---|
655 | errx(1, "passphrase file does not exist!!\n"); |
---|
656 | pp=extract_potato(filename,pfile); |
---|
657 | } |
---|
658 | |
---|
659 | abac_id_t *id = abac_xmalloc(sizeof(abac_id_t)); |
---|
660 | char *tmp=NULL; |
---|
661 | asprintf(&tmp,"p%s",cn); |
---|
662 | id->idtype = e_KEYID; |
---|
663 | id->cn = tmp; |
---|
664 | id->key = abac_key_file_new(filename,pp); |
---|
665 | id->cert = _generate_cert(id->key, cn, validity); |
---|
666 | id->keyid = cert_get_keyid(id->cert); |
---|
667 | |
---|
668 | id->refcount = 1; |
---|
669 | _add_into_id_credentials(id); |
---|
670 | *ret = id; |
---|
671 | return ABAC_ID_SUCCESS; |
---|
672 | } |
---|
673 | |
---|
674 | /* special handling, need to update the key of the id copy stored in |
---|
675 | session's id credential list */ |
---|
676 | static void _load_privkey_to_master_list(char *keyid, abac_key_t *key) |
---|
677 | { |
---|
678 | abac_id_credential_t *idcred=abac_id_credential_lookup(keyid); |
---|
679 | if(idcred==NULL) { |
---|
680 | panic(1,"_load_privkey_to_master_list: missing id in masterlist(%s)\n", keyid); |
---|
681 | } |
---|
682 | abac_id_t *id=abac_id_credential_id(idcred); |
---|
683 | id->key = abac_key_copy(key); |
---|
684 | } |
---|
685 | |
---|
686 | int abac_id_load_privkey_file(abac_id_t *ptr, char *keyfile) |
---|
687 | { |
---|
688 | assert(ptr); |
---|
689 | ptr->key=abac_key_file_new(keyfile, chunk_empty); |
---|
690 | _load_privkey_to_master_list(abac_id_keyid(ptr), ptr->key); |
---|
691 | return 1; |
---|
692 | } |
---|
693 | |
---|
694 | int abac_id_load_enc_privkey_file(abac_id_t *ptr, char *keyfile, char *pfile) |
---|
695 | { |
---|
696 | assert(ptr); |
---|
697 | chunk_t pp=extract_potato(keyfile,pfile); |
---|
698 | ptr->key=abac_key_file_new(keyfile, pp); |
---|
699 | _load_privkey_to_master_list(abac_id_keyid(ptr), ptr->key); |
---|
700 | return 1; |
---|
701 | } |
---|
702 | |
---|
703 | int abac_id_load_privkey_chunk(abac_id_t *ptr, chunk_t keychunk) |
---|
704 | { |
---|
705 | assert(ptr); |
---|
706 | ptr->key=abac_key_chunk_new(keychunk, chunk_empty); |
---|
707 | _load_privkey_to_master_list(abac_id_keyid(ptr), ptr->key); |
---|
708 | return 1; |
---|
709 | } |
---|
710 | |
---|
711 | int abac_id_load_enc_privkey_chunk(abac_id_t *ptr, chunk_t keychunk, char *pfile) |
---|
712 | { |
---|
713 | assert(ptr); |
---|
714 | chunk_t pp=extract_potato(NULL,pfile); |
---|
715 | ptr->key=abac_key_chunk_new(keychunk, pp); |
---|
716 | _load_privkey_to_master_list(abac_id_keyid(ptr), ptr->key); |
---|
717 | return 1; |
---|
718 | } |
---|
719 | |
---|