Mercurial > dovecot > core-2.2
annotate src/auth/auth-settings.c @ 14159:98d696965c91
auth: Added auth_proxy_self setting to specify IPs that are considered as "self" for proxy_maybe.
author | Timo Sirainen <tss@iki.fi> |
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date | Sat, 25 Feb 2012 05:42:05 +0200 |
parents | ba770cba5598 |
children | bda92bf286a0 |
rev | line source |
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Updated copyright notices to include year 2012.
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1 /* Copyright (c) 2005-2012 Dovecot authors, see the included COPYING file */ |
9002 | 2 |
3 #include "lib.h" | |
4 #include "array.h" | |
5 #include "settings-parser.h" | |
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6 #include "master-service-private.h" |
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7 #include "master-service-settings.h" |
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8 #include "service-settings.h" |
9002 | 9 #include "auth-settings.h" |
10 | |
11 #include <stddef.h> | |
12 | |
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13 static bool auth_settings_check(void *_set, pool_t pool, const char **error_r); |
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14 static bool auth_passdb_settings_check(void *_set, pool_t pool, const char **error_r); |
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15 static bool auth_userdb_settings_check(void *_set, pool_t pool, const char **error_r); |
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16 |
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17 /* <settings checks> */ |
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18 static struct file_listener_settings auth_unix_listeners_array[] = { |
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19 { "login/login", 0666, "", "" }, |
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20 { "auth-login", 0600, "$default_internal_user", "" }, |
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21 { "auth-client", 0600, "", "" }, |
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22 { "auth-userdb", 0666, "", "" }, |
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23 { "auth-master", 0600, "", "" } |
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24 }; |
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25 static struct file_listener_settings *auth_unix_listeners[] = { |
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26 &auth_unix_listeners_array[0], |
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27 &auth_unix_listeners_array[1], |
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28 &auth_unix_listeners_array[2], |
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29 &auth_unix_listeners_array[3], |
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30 &auth_unix_listeners_array[4] |
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31 }; |
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32 static buffer_t auth_unix_listeners_buf = { |
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33 auth_unix_listeners, sizeof(auth_unix_listeners), { 0, } |
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34 }; |
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35 /* </settings checks> */ |
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36 |
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37 struct service_settings auth_service_settings = { |
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38 .name = "auth", |
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39 .protocol = "", |
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40 .type = "", |
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41 .executable = "auth", |
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42 .user = "$default_internal_user", |
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43 .group = "", |
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44 .privileged_group = "", |
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45 .extra_groups = "", |
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46 .chroot = "", |
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47 |
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48 .drop_priv_before_exec = FALSE, |
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49 |
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50 .process_min_avail = 0, |
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51 .process_limit = 1, |
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52 .client_limit = 0, |
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53 .service_count = 0, |
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54 .idle_kill = 0, |
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55 .vsz_limit = (uoff_t)-1, |
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56 |
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57 .unix_listeners = { { &auth_unix_listeners_buf, |
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58 sizeof(auth_unix_listeners[0]) } }, |
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59 .fifo_listeners = ARRAY_INIT, |
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60 .inet_listeners = ARRAY_INIT, |
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61 |
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62 .process_limit_1 = TRUE |
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63 }; |
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64 |
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65 /* <settings checks> */ |
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66 static struct file_listener_settings auth_worker_unix_listeners_array[] = { |
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67 { "auth-worker", 0600, "$default_internal_user", "" } |
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68 }; |
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69 static struct file_listener_settings *auth_worker_unix_listeners[] = { |
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70 &auth_worker_unix_listeners_array[0] |
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71 }; |
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72 static buffer_t auth_worker_unix_listeners_buf = { |
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73 auth_worker_unix_listeners, sizeof(auth_worker_unix_listeners), { 0, } |
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74 }; |
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75 /* </settings checks> */ |
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76 |
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77 struct service_settings auth_worker_service_settings = { |
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78 .name = "auth-worker", |
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79 .protocol = "", |
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80 .type = "", |
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81 .executable = "auth -w", |
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82 .user = "", |
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83 .group = "", |
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84 .privileged_group = "", |
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85 .extra_groups = "", |
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86 .chroot = "", |
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87 |
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88 .drop_priv_before_exec = FALSE, |
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89 |
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90 .process_min_avail = 0, |
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91 .process_limit = 0, |
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92 .client_limit = 1, |
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93 .service_count = 1, |
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94 .idle_kill = 0, |
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95 .vsz_limit = (uoff_t)-1, |
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96 |
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97 .unix_listeners = { { &auth_worker_unix_listeners_buf, |
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98 sizeof(auth_worker_unix_listeners[0]) } }, |
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99 .fifo_listeners = ARRAY_INIT, |
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100 .inet_listeners = ARRAY_INIT |
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101 }; |
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102 |
9002 | 103 #undef DEF |
104 #define DEF(type, name) \ | |
105 { type, #name, offsetof(struct auth_passdb_settings, name), NULL } | |
106 | |
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107 static const struct setting_define auth_passdb_setting_defines[] = { |
9002 | 108 DEF(SET_STR, driver), |
109 DEF(SET_STR, args), | |
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110 DEF(SET_STR, default_fields), |
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111 DEF(SET_STR, override_fields), |
9002 | 112 DEF(SET_BOOL, deny), |
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113 DEF(SET_BOOL, pass), |
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114 DEF(SET_BOOL, master), |
9002 | 115 |
116 SETTING_DEFINE_LIST_END | |
117 }; | |
118 | |
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119 static const struct auth_passdb_settings auth_passdb_default_settings = { |
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120 .driver = "", |
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121 .args = "", |
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122 .default_fields = "", |
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123 .override_fields = "", |
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124 .deny = FALSE, |
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125 .pass = FALSE, |
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126 .master = FALSE |
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127 }; |
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128 |
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129 const struct setting_parser_info auth_passdb_setting_parser_info = { |
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130 .defines = auth_passdb_setting_defines, |
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131 .defaults = &auth_passdb_default_settings, |
9002 | 132 |
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133 .type_offset = (size_t)-1, |
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134 .struct_size = sizeof(struct auth_passdb_settings), |
9002 | 135 |
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136 .parent_offset = (size_t)-1, |
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137 .parent = &auth_setting_parser_info, |
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138 |
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139 .check_func = auth_passdb_settings_check |
9002 | 140 }; |
141 | |
142 #undef DEF | |
143 #define DEF(type, name) \ | |
144 { type, #name, offsetof(struct auth_userdb_settings, name), NULL } | |
145 | |
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146 static const struct setting_define auth_userdb_setting_defines[] = { |
9002 | 147 DEF(SET_STR, driver), |
148 DEF(SET_STR, args), | |
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149 DEF(SET_STR, default_fields), |
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150 DEF(SET_STR, override_fields), |
9002 | 151 |
152 SETTING_DEFINE_LIST_END | |
153 }; | |
154 | |
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155 static const struct auth_userdb_settings auth_userdb_default_settings = { |
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156 .driver = "", |
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157 .args = "", |
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158 .default_fields = "", |
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159 .override_fields = "" |
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160 }; |
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161 |
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162 const struct setting_parser_info auth_userdb_setting_parser_info = { |
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163 .defines = auth_userdb_setting_defines, |
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164 .defaults = &auth_userdb_default_settings, |
9002 | 165 |
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166 .type_offset = (size_t)-1, |
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167 .struct_size = sizeof(struct auth_userdb_settings), |
9002 | 168 |
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169 .parent_offset = (size_t)-1, |
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170 .parent = &auth_setting_parser_info, |
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171 |
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172 .check_func = auth_userdb_settings_check |
9002 | 173 }; |
174 | |
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175 /* we're kind of kludging here to avoid "auth_" prefix in the struct fields */ |
9002 | 176 #undef DEF |
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177 #undef DEF_NOPREFIX |
9002 | 178 #undef DEFLIST |
179 #define DEF(type, name) \ | |
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180 { type, "auth_"#name, offsetof(struct auth_settings, name), NULL } |
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181 #define DEF_NOPREFIX(type, name) \ |
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182 { type, #name, offsetof(struct auth_settings, name), NULL } |
9002 | 183 #define DEFLIST(field, name, defines) \ |
184 { SET_DEFLIST, name, offsetof(struct auth_settings, field), defines } | |
185 | |
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186 static const struct setting_define auth_setting_defines[] = { |
9002 | 187 DEF(SET_STR, mechanisms), |
188 DEF(SET_STR, realms), | |
189 DEF(SET_STR, default_realm), | |
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190 DEF(SET_SIZE, cache_size), |
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191 DEF(SET_TIME, cache_ttl), |
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192 DEF(SET_TIME, cache_negative_ttl), |
9002 | 193 DEF(SET_STR, username_chars), |
194 DEF(SET_STR, username_translation), | |
195 DEF(SET_STR, username_format), | |
196 DEF(SET_STR, master_user_separator), | |
197 DEF(SET_STR, anonymous_username), | |
198 DEF(SET_STR, krb5_keytab), | |
199 DEF(SET_STR, gssapi_hostname), | |
200 DEF(SET_STR, winbind_helper_path), | |
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201 DEF(SET_STR, proxy_self), |
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202 DEF(SET_TIME, failure_delay), |
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203 DEF(SET_UINT, first_valid_uid), |
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204 DEF(SET_UINT, last_valid_uid), |
9002 | 205 |
206 DEF(SET_BOOL, verbose), | |
207 DEF(SET_BOOL, debug), | |
208 DEF(SET_BOOL, debug_passwords), | |
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209 DEF(SET_ENUM, verbose_passwords), |
9002 | 210 DEF(SET_BOOL, ssl_require_client_cert), |
211 DEF(SET_BOOL, ssl_username_from_cert), | |
212 DEF(SET_BOOL, use_winbind), | |
213 | |
214 DEF(SET_UINT, worker_max_count), | |
215 | |
216 DEFLIST(passdbs, "passdb", &auth_passdb_setting_parser_info), | |
217 DEFLIST(userdbs, "userdb", &auth_userdb_setting_parser_info), | |
218 | |
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219 DEF_NOPREFIX(SET_STR, base_dir), |
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220 DEF_NOPREFIX(SET_BOOL, verbose_proctitle), |
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221 |
9002 | 222 SETTING_DEFINE_LIST_END |
223 }; | |
224 | |
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225 static const struct auth_settings auth_default_settings = { |
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226 .mechanisms = "plain", |
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227 .realms = "", |
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228 .default_realm = "", |
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229 .cache_size = 0, |
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230 .cache_ttl = 60*60, |
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231 .cache_negative_ttl = 60*60, |
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232 .username_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@", |
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233 .username_translation = "", |
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234 .username_format = "%Lu", |
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235 .master_user_separator = "", |
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236 .anonymous_username = "anonymous", |
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237 .krb5_keytab = "", |
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238 .gssapi_hostname = "", |
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239 .winbind_helper_path = "/usr/bin/ntlm_auth", |
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240 .proxy_self = "", |
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241 .failure_delay = 2, |
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242 .first_valid_uid = 500, |
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243 .last_valid_uid = 0, |
9002 | 244 |
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245 .verbose = FALSE, |
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246 .debug = FALSE, |
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247 .debug_passwords = FALSE, |
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248 .verbose_passwords = "no:plain:sha1", |
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249 .ssl_require_client_cert = FALSE, |
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250 .ssl_username_from_cert = FALSE, |
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251 .use_winbind = FALSE, |
9002 | 252 |
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253 .worker_max_count = 30, |
9002 | 254 |
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255 .passdbs = ARRAY_INIT, |
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256 .userdbs = ARRAY_INIT, |
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257 |
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258 .base_dir = PKG_RUNDIR, |
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259 .verbose_proctitle = FALSE |
9002 | 260 }; |
261 | |
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262 const struct setting_parser_info auth_setting_parser_info = { |
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263 .module_name = "auth", |
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264 .defines = auth_setting_defines, |
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265 .defaults = &auth_default_settings, |
9002 | 266 |
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267 .type_offset = (size_t)-1, |
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268 .struct_size = sizeof(struct auth_settings), |
9002 | 269 |
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270 .parent_offset = (size_t)-1, |
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271 |
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272 .check_func = auth_settings_check |
9002 | 273 }; |
274 | |
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275 /* <settings checks> */ |
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276 static bool |
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277 auth_settings_set_self_ips(struct auth_settings *set, pool_t pool, |
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278 const char **error_r) |
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279 { |
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280 const char *const *tmp; |
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281 ARRAY_DEFINE(ips_array, struct ip_addr); |
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282 struct ip_addr *ips; |
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283 unsigned int ips_count; |
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284 int ret; |
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285 |
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286 if (*set->proxy_self == '\0') { |
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287 set->proxy_self_ips = p_new(pool, struct ip_addr, 1); |
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288 return TRUE; |
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289 } |
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290 |
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291 p_array_init(&ips_array, pool, 4); |
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292 tmp = t_strsplit_spaces(set->proxy_self, " "); |
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293 for (; *tmp != NULL; tmp++) { |
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294 ret = net_gethostbyname(*tmp, &ips, &ips_count); |
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295 if (ret != 0) { |
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296 *error_r = t_strdup_printf("auth_proxy_self_ips: " |
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297 "gethostbyname(%s) failed: %s", |
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298 *tmp, net_gethosterror(ret)); |
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299 } |
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300 array_append(&ips_array, ips, ips_count); |
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301 } |
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302 (void)array_append_space(&ips_array); |
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303 set->proxy_self_ips = array_idx(&ips_array, 0); |
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304 return TRUE; |
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305 } |
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306 |
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307 static bool auth_settings_check(void *_set, pool_t pool, |
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308 const char **error_r) |
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309 { |
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310 struct auth_settings *set = _set; |
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311 const char *p; |
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312 |
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313 if (set->debug_passwords) |
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314 set->debug = TRUE; |
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315 if (set->debug) |
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316 set->verbose = TRUE; |
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317 |
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318 if (set->worker_max_count == 0) { |
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319 *error_r = "auth_worker_max_count must be above zero"; |
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320 return FALSE; |
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321 } |
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322 |
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323 if (set->cache_size > 0 && set->cache_size < 1024) { |
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324 /* probably a configuration error. |
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325 older versions used megabyte numbers */ |
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326 *error_r = t_strdup_printf("auth_cache_size value is too small " |
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327 "(%"PRIuUOFF_T" bytes)", |
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328 set->cache_size); |
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329 return FALSE; |
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330 } |
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331 |
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332 if (*set->username_chars == '\0') { |
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333 /* all chars are allowed */ |
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334 memset(set->username_chars_map, 1, |
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335 sizeof(set->username_chars_map)); |
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336 } else { |
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337 for (p = set->username_chars; *p != '\0'; p++) |
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338 set->username_chars_map[(int)(uint8_t)*p] = 1; |
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339 } |
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340 |
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341 if (*set->username_translation != '\0') { |
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342 p = set->username_translation; |
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343 for (; *p != '\0' && p[1] != '\0'; p += 2) |
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344 set->username_translation_map[(int)(uint8_t)*p] = p[1]; |
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345 } |
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346 set->realms_arr = |
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347 (const char *const *)p_strsplit_spaces(pool, set->realms, " "); |
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348 |
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349 if (!auth_settings_set_self_ips(set, pool, error_r)) |
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350 return FALSE; |
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351 return TRUE; |
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352 } |
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353 |
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354 static bool |
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355 auth_passdb_settings_check(void *_set, pool_t pool ATTR_UNUSED, |
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356 const char **error_r) |
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357 { |
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358 struct auth_passdb_settings *set = _set; |
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359 |
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360 if (set->driver == NULL || *set->driver == '\0') { |
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361 *error_r = "passdb is missing driver"; |
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362 return FALSE; |
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363 } |
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364 return TRUE; |
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365 } |
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366 |
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367 static bool |
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368 auth_userdb_settings_check(void *_set, pool_t pool ATTR_UNUSED, |
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369 const char **error_r) |
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370 { |
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371 struct auth_userdb_settings *set = _set; |
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372 |
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373 if (set->driver == NULL || *set->driver == '\0') { |
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374 *error_r = "userdb is missing driver"; |
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375 return FALSE; |
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376 } |
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377 return TRUE; |
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378 } |
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379 /* </settings checks> */ |
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380 |
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381 struct auth_settings *global_auth_settings; |
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382 |
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383 struct auth_settings * |
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384 auth_settings_read(const char *service, pool_t pool, |
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385 struct master_service_settings_output *output_r) |
9002 | 386 { |
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387 static const struct setting_parser_info *set_roots[] = { |
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388 &auth_setting_parser_info, |
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389 NULL |
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390 }; |
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391 struct master_service_settings_input input; |
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392 struct setting_parser_context *set_parser; |
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393 struct auth_settings *set; |
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394 const char *error; |
9002 | 395 |
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396 memset(&input, 0, sizeof(input)); |
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397 input.roots = set_roots; |
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398 input.module = "auth"; |
6e639833c3fc
auth: Initial support for per-protocol auth settings.
Timo Sirainen <tss@iki.fi>
parents:
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399 input.service = service; |
6e639833c3fc
auth: Initial support for per-protocol auth settings.
Timo Sirainen <tss@iki.fi>
parents:
10897
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400 if (master_service_settings_read(master_service, &input, |
10953
bdef690d41d5
auth: Fixed support for per-service auth settings.
Timo Sirainen <tss@iki.fi>
parents:
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401 output_r, &error) < 0) |
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
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402 i_fatal("Error reading configuration: %s", error); |
9002 | 403 |
13760
acfe332f9aeb
auth: Support passing regular %variables to sql/ldap iterate queries.
Timo Sirainen <tss@iki.fi>
parents:
13555
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404 pool_ref(pool); |
10953
bdef690d41d5
auth: Fixed support for per-service auth settings.
Timo Sirainen <tss@iki.fi>
parents:
10921
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405 set_parser = settings_parser_dup(master_service->set_parser, pool); |
bdef690d41d5
auth: Fixed support for per-service auth settings.
Timo Sirainen <tss@iki.fi>
parents:
10921
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406 if (!settings_parser_check(set_parser, pool, &error)) |
bdef690d41d5
auth: Fixed support for per-service auth settings.
Timo Sirainen <tss@iki.fi>
parents:
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407 i_unreached(); |
bdef690d41d5
auth: Fixed support for per-service auth settings.
Timo Sirainen <tss@iki.fi>
parents:
10921
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408 |
13760
acfe332f9aeb
auth: Support passing regular %variables to sql/ldap iterate queries.
Timo Sirainen <tss@iki.fi>
parents:
13555
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409 set = settings_parser_get_list(set_parser)[1]; |
acfe332f9aeb
auth: Support passing regular %variables to sql/ldap iterate queries.
Timo Sirainen <tss@iki.fi>
parents:
13555
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410 settings_parser_deinit(&set_parser); |
acfe332f9aeb
auth: Support passing regular %variables to sql/ldap iterate queries.
Timo Sirainen <tss@iki.fi>
parents:
13555
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411 return set; |
9002 | 412 } |