annotate src/auth/mech-rpa.c @ 9002:9d0037a997f4 HEAD

Initial commit for config rewrite.
author Timo Sirainen <tss@iki.fi>
date Tue, 27 Jan 2009 18:21:53 -0500
parents 84eea1977632
children 97cdfeb57129
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Compuserve RPA authentication mechanism.
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3 *
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4 * Copyright (c) 2004 Andrey Panin <pazke@donpac.ru>
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5 *
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f8d37e26a2b3 Relicensed dovecot-auth to MIT.
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6 * This software is released under the MIT license.
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7 */
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8
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9 #include "common.h"
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10 #include "mech.h"
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11 #include "passdb.h"
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12 #include "str.h"
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13 #include "strfuncs.h"
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14 #include "safe-memset.h"
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15 #include "randgen.h"
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16 #include "buffer.h"
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17 #include "hostpid.h"
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18 #include "hex-binary.h"
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19 #include "md5.h"
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20
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21 struct rpa_auth_request {
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22 struct auth_request auth_request;
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23
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24 pool_t pool;
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25
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26 int phase;
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27
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28 /* cached: */
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29 unsigned char pwd_md5[MD5_RESULTLEN];
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30 size_t service_len;
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31 const unsigned char *service_ucs2be;
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32 size_t username_len;
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33 const unsigned char *username_ucs2be;
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34 size_t realm_len;
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35 const unsigned char *realm_ucs2be;
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36
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37 /* requested: */
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38 unsigned char *service_challenge;
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39 unsigned char *service_timestamp;
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40
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41 /* received: */
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42 unsigned int user_challenge_len;
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43 unsigned char *user_challenge;
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44 unsigned char *user_response;
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45 unsigned char session_key[16];
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46 };
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47
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48 #define RPA_SCHALLENGE_LEN 32
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49 #define RPA_UCHALLENGE_LEN 16
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50 #define RPA_TIMESTAMP_LEN 14
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51
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52 #define ASN1_APPLICATION 0x60
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53
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54 /* Object id encoded using ASN.1 DER */
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55 static const unsigned char rpa_oid[] = {
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56 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x86, 0xf8, 0x73, 0x01, 0x01
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57 };
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58
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59 void *ucs2be_str(pool_t pool, const char *str, size_t *size);
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60
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61 /*
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62 * Compute client -> server authentication response.
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63 */
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64 static void rpa_user_response(struct rpa_auth_request *request,
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65 unsigned char digest[MD5_RESULTLEN])
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66 {
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67 struct md5_context ctx;
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68 unsigned char z[48];
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69
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70 memset(z, 0, sizeof(z));
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71
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72 md5_init(&ctx);
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73 md5_update(&ctx, request->pwd_md5, sizeof(request->pwd_md5));
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74 md5_update(&ctx, z, sizeof(z));
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75 md5_update(&ctx, request->username_ucs2be, request->username_len);
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76 md5_update(&ctx, request->service_ucs2be, request->service_len);
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77 md5_update(&ctx, request->realm_ucs2be, request->realm_len);
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78 md5_update(&ctx, request->user_challenge, request->user_challenge_len);
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79 md5_update(&ctx, request->service_challenge, RPA_SCHALLENGE_LEN);
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80 md5_update(&ctx, request->service_timestamp, RPA_TIMESTAMP_LEN);
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81 md5_update(&ctx, request->pwd_md5, sizeof(request->pwd_md5));
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82 md5_final(&ctx, digest);
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83 }
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84
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85 /*
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86 * Compute server -> client authentication response.
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87 */
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88 static void rpa_server_response(struct rpa_auth_request *request,
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89 unsigned char digest[MD5_RESULTLEN])
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90 {
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91 struct md5_context ctx;
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92 unsigned char tmp[MD5_RESULTLEN];
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93 unsigned char z[48];
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94 unsigned int i;
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95
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96 memset(z, 0, sizeof(z));
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97
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98 md5_init(&ctx);
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99 md5_update(&ctx, request->pwd_md5, sizeof(request->pwd_md5));
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100 md5_update(&ctx, z, sizeof(z));
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101 md5_update(&ctx, request->service_ucs2be, request->service_len);
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102 md5_update(&ctx, request->username_ucs2be, request->username_len);
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103 md5_update(&ctx, request->realm_ucs2be, request->realm_len);
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104 md5_update(&ctx, request->service_challenge, RPA_SCHALLENGE_LEN);
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105 md5_update(&ctx, request->user_challenge, request->user_challenge_len);
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106 md5_update(&ctx, request->service_timestamp, RPA_TIMESTAMP_LEN);
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107 md5_update(&ctx, request->pwd_md5, sizeof(request->pwd_md5));
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108 md5_final(&ctx, tmp);
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109
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110 for (i = 0; i < sizeof(tmp); i++)
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111 tmp[i] = request->session_key[i] ^ tmp[i];
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112
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113 md5_init(&ctx);
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114 md5_update(&ctx, request->pwd_md5, sizeof(request->pwd_md5));
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115 md5_update(&ctx, z, sizeof(z));
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116 md5_update(&ctx, request->service_ucs2be, request->service_len);
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117 md5_update(&ctx, request->username_ucs2be, request->username_len);
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118 md5_update(&ctx, request->realm_ucs2be, request->realm_len);
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119 md5_update(&ctx, request->session_key, sizeof(request->session_key));
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120 md5_update(&ctx, request->service_challenge, RPA_SCHALLENGE_LEN);
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121 md5_update(&ctx, request->user_challenge, request->user_challenge_len);
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122 md5_update(&ctx, request->service_timestamp, RPA_TIMESTAMP_LEN);
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123 md5_update(&ctx, tmp, sizeof(tmp));
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124 md5_update(&ctx, request->pwd_md5, sizeof(request->pwd_md5));
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125 md5_final(&ctx, digest);
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126 }
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127
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128 static const unsigned char *
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129 rpa_check_message(const unsigned char *data, const unsigned char *end,
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130 const char **error)
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131 {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
132 const unsigned char *p = data;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
133 unsigned int len = 0;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
134
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
135 if (p + 2 > end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
136 *error = "message too short";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
137 return NULL;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
138 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
139
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
140 if (*p++ != ASN1_APPLICATION) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
141 *error = "invalid data type";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
142 return NULL;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
143 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
144
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
145 if ((*p & 0x80) != 0) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
146 unsigned int nbytes = *p++ & 0x7f;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
147
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
148 while (nbytes-- > 0) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
149 if (p >= end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
150 *error = "invalid structure length";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
151 return NULL;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
152 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
153
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
154 len = (len << 8) | *p++;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
155 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
156 } else
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
157 len = *p++;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
158
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
159 if ((size_t)(end - p) != len) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
160 *error = "structure length disagrees with data size";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
161 return NULL;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
162 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
163
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
164 if (p + sizeof(rpa_oid) > end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
165 *error = "not enough space for object id";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
166 return NULL;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
167 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
168
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
169 if (memcmp(p, rpa_oid, sizeof(rpa_oid)) != 0) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
170 *error = "invalid object id";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
171 return NULL;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
172 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
173
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
174 return p + sizeof(rpa_oid);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
175 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
176
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3766
diff changeset
177 static bool
2522
a07fb16b9a24 Changed "invalid username" error message.
Timo Sirainen <tss@iki.fi>
parents: 2510
diff changeset
178 rpa_parse_token1(const void *data, size_t data_size, const char **error)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
179 {
4020
fcfd44f56b04 While casting const pointers to something else, the const was often
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
180 const unsigned char *end = ((const unsigned char *) data) + data_size;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
181 const unsigned char *p;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
182 unsigned int version_lo, version_hi;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
183
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
184 p = rpa_check_message(data, end, error);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
185 if (p == NULL)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
186 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
187
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
188 if (p + 6 > end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
189 *error = "message too short";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
190 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
191 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
192
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
193 version_lo = p[0] + (p[1] << 8);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
194 version_hi = p[2] + (p[3] << 8);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
195
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
196 if ((version_lo > 3) || (version_hi < 3)) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 *error = "protocol version mismatch";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
198 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
199 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
200 p += 4;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
201
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202 if ((p[0] != 0) || (p[1] != 1)) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
203 *error = "invalid message flags";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
204 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
205 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
206 p += 2;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
207
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
208 if (p != end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
209 *error = "unneeded data found";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
210 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
211 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
212
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
213 return TRUE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
214 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
215
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
216 static unsigned int
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
217 rpa_read_buffer(pool_t pool, const unsigned char **data,
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
218 const unsigned char *end, unsigned char **buffer)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
219 {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
220 const unsigned char *p = *data;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
221 unsigned int len;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
222
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
223 if (p > end)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
224 return 0;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
225
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
226 len = *p++;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
227 if (p + len > end)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
228 return 0;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
229
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
230 *buffer = p_malloc(pool, len);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
231 memcpy(*buffer, p, len);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
232
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
233 *data += 1 + len;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
234
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
235 return len;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
236 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
237
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3766
diff changeset
238 static bool
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
239 rpa_verify_realm(struct rpa_auth_request *request, const char *realm)
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
240 {
9002
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
241 const struct auth *auth = request->auth_request.auth;
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
242 const char *default_realm;
9002
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
243 const char *const *tmp;
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
244
9002
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
245 for (tmp = auth->auth_realms; *tmp != NULL; tmp++) {
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
246 if (strcasecmp(realm, *tmp) == 0)
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
247 return TRUE;
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
248 }
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
249
9002
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
250 default_realm = *auth->set->default_realm != '\0' ?
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
251 auth->set->default_realm : my_hostname;
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
252
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3766
diff changeset
253 return strcasecmp(realm, default_realm) == 0;
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
254 }
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
255
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3766
diff changeset
256 static bool
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
257 rpa_parse_token3(struct rpa_auth_request *request, const void *data,
2522
a07fb16b9a24 Changed "invalid username" error message.
Timo Sirainen <tss@iki.fi>
parents: 2510
diff changeset
258 size_t data_size, const char **error)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
259 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
260 struct auth_request *auth_request = &request->auth_request;
4020
fcfd44f56b04 While casting const pointers to something else, the const was often
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
261 const unsigned char *end = ((const unsigned char *)data) + data_size;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
262 const unsigned char *p;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
263 unsigned int len;
3151
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
264 const char *user, *realm;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
265
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
266 p = rpa_check_message(data, end, error);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
267 if (p == NULL)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
268 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
269
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
270 /* Read username@realm */
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
271 if (p + 2 > end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
272 *error = "message too short";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
273 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
274 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
275
7884
a097b704be1b RPA auth mechanism: Fixed handling usernames longer than 255 characters.
Timo Sirainen <tss@iki.fi>
parents: 6936
diff changeset
276 len = (p[0] << 8) + p[1];
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
277 if (p + 2 + len > end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
278 *error = "message too short";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
279 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
280 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
281 p += 2;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
282
3151
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
283 user = t_strndup(p, len);
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
284 realm = strrchr(user, '@');
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
285 if ((realm == NULL) || !rpa_verify_realm(request, realm + 1)) {
3151
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
286 *error = "invalid realm";
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
287 return FALSE;
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
288 }
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
289 user = t_strdup_until(user, realm++);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
290 p += len;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
291
3065
29d83a8bb50d Reorganized the code to have less global/static variables.
Timo Sirainen <tss@iki.fi>
parents: 3064
diff changeset
292 if (!auth_request_set_username(auth_request, user, error))
29d83a8bb50d Reorganized the code to have less global/static variables.
Timo Sirainen <tss@iki.fi>
parents: 3064
diff changeset
293 return FALSE;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
294
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
295 request->username_ucs2be = ucs2be_str(request->pool, auth_request->user,
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
296 &request->username_len);
3151
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
297 request->realm_ucs2be = ucs2be_str(request->pool, realm,
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
298 &request->realm_len);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
299
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
300 /* Read user challenge */
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
301 request->user_challenge_len = rpa_read_buffer(request->pool, &p, end,
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
302 &request->user_challenge);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
303 if (request->user_challenge_len == 0) {
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
304 *error = "invalid user challenge";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
305 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
306 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
307
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
308 /* Read user response */
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
309 len = rpa_read_buffer(request->pool, &p, end, &request->user_response);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
310 if (len != RPA_UCHALLENGE_LEN) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
311 *error = "invalid user response";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
312 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
313 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
314
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
315 if (p != end) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
316 *error = "unneeded data found";
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
317 return FALSE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
318 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
319
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
320 return TRUE;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
321 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
322
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
323 static void
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
324 buffer_append_asn1_length(buffer_t *buf, unsigned int length)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
325 {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
326 if (length < 0x80) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
327 buffer_append_c(buf, length);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
328 } else if (length < 0x100) {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
329 buffer_append_c(buf, 0x81);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
330 buffer_append_c(buf, length);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
331 } else {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
332 buffer_append_c(buf, 0x82);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
333 buffer_append_c(buf, length >> 8);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
334 buffer_append_c(buf, length & 0xff);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
335 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
337
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
338 static void
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
339 rpa_add_realm(string_t *realms, const char *realm, const char *service)
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
340 {
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
341 str_append(realms, service);
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
342 str_append_c(realms, '@');
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
343 str_append(realms, realm);
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
344 str_append_c(realms, ' ');
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
345 }
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
346
2629
6ba9dcff11b9 Compiler warning fixes and cleanups
Timo Sirainen <tss@iki.fi>
parents: 2522
diff changeset
347 static const unsigned char *
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
348 mech_rpa_build_token2(struct rpa_auth_request *request, size_t *size)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
349 {
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
350 struct auth *auth = request->auth_request.auth;
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
351 unsigned int realms_len, length;
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
352 string_t *realms;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
353 buffer_t *buf;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
354 unsigned char timestamp[RPA_TIMESTAMP_LEN / 2];
9002
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
355 const char *const *tmp;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
357 realms = t_str_new(64);
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
358 for (tmp = auth->auth_realms; *tmp != NULL; tmp++) {
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
359 rpa_add_realm(realms, *tmp, request->auth_request.service);
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
360 }
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
361
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
362 if (str_len(realms) == 0) {
9002
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
363 rpa_add_realm(realms, *auth->set->default_realm != '\0' ?
9d0037a997f4 Initial commit for config rewrite.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
364 auth->set->default_realm : my_hostname,
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
365 request->auth_request.service);
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
366 }
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
367
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
368 realms_len = str_len(realms) - 1;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369 length = sizeof(rpa_oid) + 3 + RPA_SCHALLENGE_LEN +
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370 RPA_TIMESTAMP_LEN + 2 + realms_len;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
371
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
372 buf = buffer_create_dynamic(request->pool, length + 4);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
373
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
374 buffer_append_c(buf, ASN1_APPLICATION);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
375 buffer_append_asn1_length(buf, length);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
376 buffer_append(buf, rpa_oid, sizeof(rpa_oid));
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
377
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
378 /* Protocol version */
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
379 buffer_append_c(buf, 3);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
380 buffer_append_c(buf, 0);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
381
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
382 /* Service challenge */
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
383 request->service_challenge =
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
384 p_malloc(request->pool, RPA_SCHALLENGE_LEN);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
385 random_fill(request->service_challenge, RPA_SCHALLENGE_LEN);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
386 buffer_append_c(buf, RPA_SCHALLENGE_LEN);
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
387 buffer_append(buf, request->service_challenge, RPA_SCHALLENGE_LEN);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
388
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
389 /* Timestamp, looks like clients accept anything we send */
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
390 random_fill(timestamp, sizeof(timestamp));
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
391 request->service_timestamp = p_malloc(request->pool, RPA_TIMESTAMP_LEN);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
392 memcpy(request->service_timestamp,
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
393 binary_to_hex(timestamp, sizeof(timestamp)),
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
394 RPA_TIMESTAMP_LEN);
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
395 buffer_append(buf, request->service_timestamp, RPA_TIMESTAMP_LEN);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
396
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
397 /* Realm list */
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
398 buffer_append_c(buf, realms_len >> 8);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
399 buffer_append_c(buf, realms_len & 0xff);
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
400 buffer_append(buf, str_c(realms), realms_len);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
401
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
402 *size = buffer_get_used_size(buf);
6414
a6a49d5efc59 Changed buffer_free() and buffer_free_without_data() APIs to take ** pointer
Timo Sirainen <tss@iki.fi>
parents: 5598
diff changeset
403 return buffer_free_without_data(&buf);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
404 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
405
2629
6ba9dcff11b9 Compiler warning fixes and cleanups
Timo Sirainen <tss@iki.fi>
parents: 2522
diff changeset
406 static const unsigned char *
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
407 mech_rpa_build_token4(struct rpa_auth_request *request, size_t *size)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
408 {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
409 buffer_t *buf;
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
410 unsigned char server_response[MD5_RESULTLEN];
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
411 unsigned int length = sizeof(rpa_oid) +
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
412 sizeof(server_response) + 1 +
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
413 sizeof(request->session_key) + 1 + 1;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
414
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
415 buf = buffer_create_dynamic(request->pool, length + 4);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
416
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
417 buffer_append_c(buf, ASN1_APPLICATION);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
418 buffer_append_asn1_length(buf, length);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
419 buffer_append(buf, rpa_oid, sizeof(rpa_oid));
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
420
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
421 /* Generate random session key */
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
422 random_fill(request->session_key, sizeof(request->session_key));
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
423
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
424 /* Server authentication response */
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
425 rpa_server_response(request, server_response);
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
426 buffer_append_c(buf, sizeof(server_response));
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Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
427 buffer_append(buf, server_response, sizeof(server_response));
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
428
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
429 buffer_append_c(buf, sizeof(request->session_key));
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Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
430 buffer_append(buf, request->session_key, sizeof(request->session_key));
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
431
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
432 /* Status, 0 - success */
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
433 buffer_append_c(buf, 0);
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
434
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
435 *size = buffer_get_used_size(buf);
6414
a6a49d5efc59 Changed buffer_free() and buffer_free_without_data() APIs to take ** pointer
Timo Sirainen <tss@iki.fi>
parents: 5598
diff changeset
436 return buffer_free_without_data(&buf);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
437 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
438
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3766
diff changeset
439 static bool verify_credentials(struct rpa_auth_request *request,
5598
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
440 const unsigned char *credentials, size_t size)
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
441 {
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
442 unsigned char response[MD5_RESULTLEN];
5089
18559c7e3a15 Cleanups and minor fixes
Timo Sirainen <tss@iki.fi>
parents: 4782
diff changeset
443
5598
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
444 if (size != sizeof(request->pwd_md5)) {
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
445 auth_request_log_error(&request->auth_request, "rpa",
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
446 "invalid credentials length");
5089
18559c7e3a15 Cleanups and minor fixes
Timo Sirainen <tss@iki.fi>
parents: 4782
diff changeset
447 return FALSE;
5598
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
448 }
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
449
5598
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
450 memcpy(request->pwd_md5, credentials, sizeof(request->pwd_md5));
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
451 rpa_user_response(request, response);
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
452 return memcmp(response, request->user_response, sizeof(response)) == 0;
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
453 }
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
454
5475
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
455 static void
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
456 rpa_credentials_callback(enum passdb_result result,
5598
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
457 const unsigned char *credentials, size_t size,
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
458 struct auth_request *auth_request)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
459 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
460 struct rpa_auth_request *request =
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
461 (struct rpa_auth_request *)auth_request;
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3cc4ebb5f42d Didn't work with asynchronous passdb.
Timo Sirainen <tss@iki.fi>
parents: 2736
diff changeset
462 const unsigned char *token4;
3cc4ebb5f42d Didn't work with asynchronous passdb.
Timo Sirainen <tss@iki.fi>
parents: 2736
diff changeset
463 size_t token4_size;
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abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
464
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
465 switch (result) {
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
466 case PASSDB_RESULT_OK:
5598
971050640e3b All password schemes can now be encoded with base64 or hex. The encoding is
Timo Sirainen <tss@iki.fi>
parents: 5597
diff changeset
467 if (!verify_credentials(request, credentials, size))
5475
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
468 auth_request_fail(auth_request);
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
469 else {
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
470 token4 = mech_rpa_build_token4(request, &token4_size);
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
471 auth_request->callback(auth_request,
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
472 AUTH_CLIENT_RESULT_CONTINUE,
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
473 token4, token4_size);
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
474 request->phase = 2;
769aaaee6821 Reverted accidental commit. This code isn't ready yet.
Timo Sirainen <tss@iki.fi>
parents: 5462
diff changeset
475 }
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
476 break;
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
477 case PASSDB_RESULT_INTERNAL_FAILURE:
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
Timo Sirainen <tss@iki.fi>
parents: 3058
diff changeset
478 auth_request_internal_failure(auth_request);
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
479 break;
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
480 default:
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
Timo Sirainen <tss@iki.fi>
parents: 3058
diff changeset
481 auth_request_fail(auth_request);
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
482 break;
2764
3cc4ebb5f42d Didn't work with asynchronous passdb.
Timo Sirainen <tss@iki.fi>
parents: 2736
diff changeset
483 }
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
484 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
485
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
486 static void
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
487 mech_rpa_auth_phase1(struct auth_request *auth_request,
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
488 const unsigned char *data, size_t data_size)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
489 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
490 struct rpa_auth_request *request =
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
491 (struct rpa_auth_request *)auth_request;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
492 const unsigned char *token2;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
493 size_t token2_size;
2522
a07fb16b9a24 Changed "invalid username" error message.
Timo Sirainen <tss@iki.fi>
parents: 2510
diff changeset
494 const char *service, *error;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
495
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
496 if (!rpa_parse_token1(data, data_size, &error)) {
3069
131151e25e4b Added auth_request_log_*().
Timo Sirainen <tss@iki.fi>
parents: 3068
diff changeset
497 auth_request_log_info(auth_request, "rpa",
131151e25e4b Added auth_request_log_*().
Timo Sirainen <tss@iki.fi>
parents: 3068
diff changeset
498 "invalid token 1: %s", error);
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
Timo Sirainen <tss@iki.fi>
parents: 3058
diff changeset
499 auth_request_fail(auth_request);
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
500 return;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
501 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
502
2781
e44a84dc947c s/protocol/service/ in authentication
Timo Sirainen <tss@iki.fi>
parents: 2764
diff changeset
503 service = t_str_lcase(auth_request->service);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
504
3228
e2d7f1db71e3 Proper realm support for RPA. Now RPA will use auth_realms and
Timo Sirainen <tss@iki.fi>
parents: 3151
diff changeset
505 token2 = mech_rpa_build_token2(request, &token2_size);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
506
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
507 request->service_ucs2be = ucs2be_str(request->pool, service,
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
508 &request->service_len);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
509
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
510 auth_request->callback(auth_request, AUTH_CLIENT_RESULT_CONTINUE,
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
511 token2, token2_size);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
512 request->phase = 1;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
513 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
514
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
515 static void
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
516 mech_rpa_auth_phase2(struct auth_request *auth_request,
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
517 const unsigned char *data, size_t data_size)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
518 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
519 struct rpa_auth_request *request =
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
520 (struct rpa_auth_request *)auth_request;
2522
a07fb16b9a24 Changed "invalid username" error message.
Timo Sirainen <tss@iki.fi>
parents: 2510
diff changeset
521 const char *error;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
522
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
523 if (!rpa_parse_token3(request, data, data_size, &error)) {
3069
131151e25e4b Added auth_request_log_*().
Timo Sirainen <tss@iki.fi>
parents: 3068
diff changeset
524 auth_request_log_info(auth_request, "rpa",
131151e25e4b Added auth_request_log_*().
Timo Sirainen <tss@iki.fi>
parents: 3068
diff changeset
525 "invalid token 3: %s", error);
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
Timo Sirainen <tss@iki.fi>
parents: 3058
diff changeset
526 auth_request_fail(auth_request);
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
527 return;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
528 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
529
5593
f8dc0bdb06a7 Removed enum passdb_credentials. Use scheme strings directly instead. This
Timo Sirainen <tss@iki.fi>
parents: 5475
diff changeset
530 auth_request_lookup_credentials(auth_request, "RPA",
3068
b01a8fa09f94 Cleanups.
Timo Sirainen <tss@iki.fi>
parents: 3065
diff changeset
531 rpa_credentials_callback);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
532 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
533
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
534 static void
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
535 mech_rpa_auth_phase3(struct auth_request *auth_request,
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
536 const unsigned char *data, size_t data_size)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
537 {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
538 static const unsigned char client_ack[3] = { 0x60, 0x01, 0x00 };
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
539
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
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540 if ((data_size != sizeof(client_ack)) ||
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
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541 (memcmp(data, client_ack, sizeof(client_ack)) != 0)) {
3069
131151e25e4b Added auth_request_log_*().
Timo Sirainen <tss@iki.fi>
parents: 3068
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542 auth_request_log_info(auth_request, "rpa",
131151e25e4b Added auth_request_log_*().
Timo Sirainen <tss@iki.fi>
parents: 3068
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543 "invalid token 5 or client rejects us");
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
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parents: 3058
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544 auth_request_fail(auth_request);
3058
052f3a5743af Make FAIL reply contain "temp" parameter if the authentication failed
Timo Sirainen <tss@iki.fi>
parents: 2915
diff changeset
545 } else {
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
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parents: 3058
diff changeset
546 auth_request_success(auth_request, NULL, 0);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
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547 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
548 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
549
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
550 static void
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
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diff changeset
551 mech_rpa_auth_continue(struct auth_request *auth_request,
3071
c7db6b291daa API cleanup
Timo Sirainen <tss@iki.fi>
parents: 3069
diff changeset
552 const unsigned char *data, size_t data_size)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
553 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
554 struct rpa_auth_request *request =
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
555 (struct rpa_auth_request *)auth_request;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
556
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
557 switch (request->phase) {
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
558 case 0:
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
559 mech_rpa_auth_phase1(auth_request, data, data_size);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
560 break;
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
561 case 1:
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
562 mech_rpa_auth_phase2(auth_request, data, data_size);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
563 break;
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
564 case 2:
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
565 mech_rpa_auth_phase3(auth_request, data, data_size);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
566 break;
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
567 default:
3064
2d33734b16d5 Split auth_request* functions from mech.c to auth-request.c
Timo Sirainen <tss@iki.fi>
parents: 3058
diff changeset
568 auth_request_fail(auth_request);
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
569 break;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
570 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
571 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
572
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
573 static void
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
574 mech_rpa_auth_free(struct auth_request *auth_request)
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
575 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
576 struct rpa_auth_request *request =
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
577 (struct rpa_auth_request *)auth_request;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
578
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
579 if (request->pwd_md5 != NULL)
5597
e9c43a73180c cleanup: use a bit less magic numbers
Timo Sirainen <tss@iki.fi>
parents: 5593
diff changeset
580 safe_memset(request->pwd_md5, 0, sizeof(request->pwd_md5));
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
581
6428
7cad076906eb pool_unref() now takes ** pointer.
Timo Sirainen <tss@iki.fi>
parents: 6414
diff changeset
582 pool_unref(&auth_request->pool);
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
583 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
584
3072
289a98ba5d95 Another try with API cleanup.
Timo Sirainen <tss@iki.fi>
parents: 3071
diff changeset
585 static struct auth_request *mech_rpa_auth_new(void)
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
586 {
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
587 struct rpa_auth_request *request;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
588 pool_t pool;
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
589
3695
4f8598b0ca62 Use a bit larger initial pool sizes
Timo Sirainen <tss@iki.fi>
parents: 3683
diff changeset
590 pool = pool_alloconly_create("rpa_auth_request", 1024);
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
591 request = p_new(pool, struct rpa_auth_request, 1);
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
592 request->pool = pool;
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
593 request->phase = 0;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
594
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
595 request->auth_request.pool = pool;
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
596 return &request->auth_request;
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
597 }
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
598
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
599 const struct mech_module mech_rpa = {
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
600 "RPA",
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
601
3151
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
602 MEMBER(flags) MECH_SEC_DICTIONARY | MECH_SEC_ACTIVE |
400624966554 Realm fixes. Patch by Andrey Panin
Timo Sirainen <tss@iki.fi>
parents: 3072
diff changeset
603 MECH_SEC_MUTUAL_AUTH,
8605
84eea1977632 auth: Code cleanup for specifying what passdb features auth mechanisms need.
Timo Sirainen <tss@iki.fi>
parents: 7884
diff changeset
604 MEMBER(passdb_need) MECH_PASSDB_NEED_LOOKUP_CREDENTIALS,
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
605
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
606 mech_rpa_auth_new,
4414
9017db478693 Added mech_generic_auth_internal() and mech_generic_auth_free() functions
Timo Sirainen <tss@iki.fi>
parents: 4382
diff changeset
607 mech_generic_auth_initial,
2736
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
608 mech_rpa_auth_continue,
0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write
Timo Sirainen <tss@iki.fi>
parents: 2708
diff changeset
609 mech_rpa_auth_free
2428
abef2ac8843a Added Compuserve RPA authentication. Patch by Andrey Panin.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
610 };