Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/auth/passdb-blocking.c @ 5593:f8dc0bdb06a7 HEAD

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Removed enum passdb_credentials. Use scheme strings directly instead. This makes it possible to implement new mechanisms in plugins.
author Timo Sirainen <tss@iki.fi>
date Sun, 13 May 2007 11:24:06 +0300
parents 633e7e319f87
children e33a87152c41
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Copyright (C) 2005 Timo Sirainen */
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2
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3 #include "common.h"
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4 #include "str.h"
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5 #include "auth-worker-server.h"
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6 #include "password-scheme.h"
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7 #include "passdb.h"
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8 #include "passdb-blocking.h"
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9
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10 #include <stdlib.h>
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11
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12 static enum passdb_result
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13 check_failure(struct auth_request *request, const char **reply)
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14 {
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15 enum passdb_result ret;
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16 const char *p;
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17
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18 /* OK / FAIL */
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19 if (strncmp(*reply, "OK\t", 3) == 0) {
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20 *reply += 3;
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21 return PASSDB_RESULT_OK;
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22 }
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23
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24 /* FAIL \t result \t password */
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25 if (strncmp(*reply, "FAIL\t", 5) == 0) {
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26 *reply += 5;
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27 ret = atoi(t_strcut(*reply, '\t'));
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28
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29 p = strchr(*reply, '\t');
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30 if (p == NULL)
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31 *reply += strlen(*reply);
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32 else
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33 *reply = p + 1;
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34 if (ret != PASSDB_RESULT_OK)
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35 return ret;
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36
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37 auth_request_log_error(request, "blocking",
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38 "Received invalid FAIL result from worker: %d", ret);
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39 return PASSDB_RESULT_INTERNAL_FAILURE;
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40 } else {
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41 auth_request_log_error(request, "blocking",
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42 "Received unknown reply from worker: %s", *reply);
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43 return PASSDB_RESULT_INTERNAL_FAILURE;
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44 }
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45 }
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46
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47 static int get_pass_reply(struct auth_request *request, const char *reply,
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48 const char **password_r, const char **scheme_r)
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49 {
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50 const char *p, *p2;
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51
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52 /* user \t {scheme}password [\t extra] */
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53 p = strchr(reply, '\t');
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54
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55 /* username may have changed, update it */
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56 auth_request_set_field(request, "user", p == NULL ? reply :
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57 t_strdup_until(reply, p), NULL);
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58 if (p == NULL) {
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59 /* we didn't get a password. */
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60 *password_r = NULL;
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61 *scheme_r = NULL;
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62 return 0;
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63 }
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64 p2 = strchr(++p, '\t');
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65 if (p2 == NULL) {
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66 *password_r = p;
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67 reply = "";
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68 } else {
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69 *password_r = t_strdup_until(p, p2);
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70 reply = p2 + 1;
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71 }
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72
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73 if (**password_r == '\0') {
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74 *password_r = NULL;
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75 *scheme_r = NULL;
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76 } else {
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77 request->passdb_password =
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78 p_strdup(request->pool, *password_r);
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79
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80 *scheme_r = password_get_scheme(password_r);
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81 if (*scheme_r == NULL) {
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82 auth_request_log_error(request, "blocking",
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83 "Received reply from worker without "
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84 "password scheme");
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85 return -1;
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86 }
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87 }
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88
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89 if (*reply != '\0') {
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90 i_assert(auth_stream_is_empty(request->extra_fields) ||
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91 request->master_user != NULL);
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92
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93 auth_request_set_fields(request, t_strsplit(reply, "\t"), NULL);
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94 }
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95 return 0;
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96 }
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97
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98 static void
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99 verify_plain_callback(struct auth_request *request, const char *reply)
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100 {
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101 enum passdb_result result;
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102 const char *password, *scheme;
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103
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104 result = check_failure(request, &reply);
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105 if (result > 0) {
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106 if (get_pass_reply(request, reply, &password, &scheme) < 0)
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107 result = PASSDB_RESULT_INTERNAL_FAILURE;
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108 }
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109
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110 auth_request_verify_plain_callback(result, request);
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111 }
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112
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113 void passdb_blocking_verify_plain(struct auth_request *request)
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114 {
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115 string_t *str;
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116
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117 i_assert(auth_stream_is_empty(request->extra_fields) ||
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118 request->master_user != NULL);
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119
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120 str = t_str_new(64);
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121 str_printfa(str, "PASSV\t%u\t", request->passdb->id);
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122 str_append(str, request->mech_password);
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123 str_append_c(str, '\t');
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124 auth_request_export(request, str);
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125
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126 auth_worker_call(request, str_c(str), verify_plain_callback);
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127 }
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128
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129 static void
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130 lookup_credentials_callback(struct auth_request *request, const char *reply)
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131 {
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132 enum passdb_result result;
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133 const char *password = NULL, *scheme = NULL;
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134
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135 result = check_failure(request, &reply);
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136 if (result > 0) {
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137 if (get_pass_reply(request, reply, &password, &scheme) < 0)
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138 result = PASSDB_RESULT_INTERNAL_FAILURE;
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139 }
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140
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141 passdb_handle_credentials(result, password, scheme,
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142 auth_request_lookup_credentials_callback,
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143 request);
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144 }
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145
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146 void passdb_blocking_lookup_credentials(struct auth_request *request)
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147 {
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148 string_t *str;
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149
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150 i_assert(auth_stream_is_empty(request->extra_fields) ||
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151 request->master_user != NULL);
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152
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153 str = t_str_new(64);
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154 str_printfa(str, "PASSL\t%u\t%s\t",
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155 request->passdb->id, request->credentials_scheme);
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156 auth_request_export(request, str);
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157
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158 auth_worker_call(request, str_c(str), lookup_credentials_callback);
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159 }
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160
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161 static void
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162 set_credentials_callback(struct auth_request *request, const char *reply)
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163 {
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164 enum passdb_result result = check_failure(request, &reply);
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165
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166 request->private_callback.set_credentials(result, request);
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167 }
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168
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169 void passdb_blocking_set_credentials(struct auth_request *request,
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170 const char *new_credentials)
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171 {
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172 string_t *str;
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173
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174 str = t_str_new(64);
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175 str_printfa(str, "SETCRED\t%u\t%s\t",
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176 request->passdb->id, new_credentials);
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177 auth_request_export(request, str);
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178
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179 auth_worker_call(request, str_c(str), set_credentials_callback);
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180 }