Mercurial > dovecot > core-2.2

annotate src/auth/auth-request.h @ 4295:4fc637010202 HEAD

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Escape SQL strings using sql_escape_string(). Fixes the problems with PostgreSQL.
author Timo Sirainen <tss@iki.fi>
date Wed, 31 May 2006 14:03:53 +0300
parents 265655f270df
children 2c1cc5bbc260
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef __AUTH_REQUEST_H
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2 #define __AUTH_REQUEST_H
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3
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4 #include "network.h"
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5 #include "mech.h"
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6 #include "userdb.h"
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7 #include "passdb.h"
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8
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9 struct auth_client_connection;
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10
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11 enum auth_request_state {
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12 AUTH_REQUEST_STATE_NEW,
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13 AUTH_REQUEST_STATE_PASSDB,
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14 AUTH_REQUEST_STATE_MECH_CONTINUE,
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15 AUTH_REQUEST_STATE_FINISHED,
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16 AUTH_REQUEST_STATE_USERDB
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17 };
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18
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19 typedef const char *
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20 auth_request_escape_func_t(const char *string,
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21 const struct auth_request *auth_request);
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22
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23 struct auth_request {
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24 int refcount;
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25
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26 pool_t pool;
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27 enum auth_request_state state;
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28 /* user contains the user who is being authenticated.
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29 When master user is logging in as someone else, it gets more
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30 complicated. Initially user is set to master's username and the
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31 requested_login_user is set to destination username. After masterdb
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32 has validated user as a valid master user, master_user is set to
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33 user and user is set to requested_login_user. */
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34 char *user, *requested_login_user, *master_user;
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35 /* original_username contains the username exactly as given by the
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36 client. this is needed at least with DIGEST-MD5 for password
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37 verification */
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38 const char *original_username;
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39 char *mech_password; /* set if verify_plain() is called */
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40 char *passdb_password; /* set after password lookup if successful */
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41 /* extra_fields are returned in authentication reply. Fields prefixed
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42 with "userdb_" are skipped. If prefetch userdb is used, it uses
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43 the "userdb_" prefixed fields. */
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44 struct auth_stream_reply *extra_fields;
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45
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46 struct mech_module *mech;
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47 struct auth *auth;
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48 struct auth_passdb *passdb;
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49 struct auth_userdb *userdb;
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50
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51 unsigned int connect_uid;
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52 unsigned int client_pid;
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53 unsigned int id;
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54 time_t created;
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55
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56 const char *service;
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57 struct ip_addr local_ip, remote_ip;
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58
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59 union {
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60 verify_plain_callback_t *verify_plain;
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61 lookup_credentials_callback_t *lookup_credentials;
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62 userdb_callback_t *userdb;
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63 } private_callback;
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64 enum passdb_credentials credentials;
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65
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66 mech_callback_t *callback;
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67 void *context;
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68 struct auth_master_connection *master;
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69
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70 unsigned int successful:1;
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71 unsigned int passdb_failure:1;
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72 unsigned int internal_failure:1;
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73 unsigned int passdb_internal_failure:1;
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74 unsigned int delayed_failure:1;
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75 unsigned int accept_input:1;
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76 unsigned int no_failure_delay:1;
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77 unsigned int no_login:1;
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78 unsigned int no_password:1;
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79 unsigned int skip_password_check:1;
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80 unsigned int proxy:1;
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81 unsigned int cert_username:1;
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82
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83 /* ... mechanism specific data ... */
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84 };
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85
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86 struct auth_request *
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87 auth_request_new(struct auth *auth, struct mech_module *mech,
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88 mech_callback_t *callback, void *context);
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89 struct auth_request *auth_request_new_dummy(struct auth *auth);
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90 void auth_request_ref(struct auth_request *request);
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91 void auth_request_unref(struct auth_request **request);
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92
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93 void auth_request_success(struct auth_request *request,
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94 const void *data, size_t data_size);
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95 void auth_request_fail(struct auth_request *request);
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96 void auth_request_internal_failure(struct auth_request *request);
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97
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98 void auth_request_export(struct auth_request *request, string_t *str);
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99 bool auth_request_import(struct auth_request *request,
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100 const char *key, const char *value);
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101
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102 void auth_request_initial(struct auth_request *request,
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103 const unsigned char *data, size_t data_size);
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104 void auth_request_continue(struct auth_request *request,
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105 const unsigned char *data, size_t data_size);
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106
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107 void auth_request_verify_plain(struct auth_request *request,
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108 const char *password,
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109 verify_plain_callback_t *callback);
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110 void auth_request_lookup_credentials(struct auth_request *request,
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111 enum passdb_credentials credentials,
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112 lookup_credentials_callback_t *callback);
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113 void auth_request_lookup_user(struct auth_request *request,
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114 userdb_callback_t *callback);
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115
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116 bool auth_request_set_username(struct auth_request *request,
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117 const char *username, const char **error_r);
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118 bool auth_request_set_login_username(struct auth_request *request,
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119 const char *username,
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120 const char **error_r);
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121
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122 void auth_request_set_field(struct auth_request *request,
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123 const char *name, const char *value,
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124 const char *default_scheme);
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125
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126 int auth_request_password_verify(struct auth_request *request,
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127 const char *plain_password,
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128 const char *crypted_password,
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129 const char *scheme, const char *subsystem);
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130
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131 const struct var_expand_table *
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132 auth_request_get_var_expand_table(const struct auth_request *auth_request,
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133 auth_request_escape_func_t *escape_func);
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134 const char *auth_request_str_escape(const char *string,
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135 const struct auth_request *request);
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136
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137 void auth_request_log_debug(struct auth_request *auth_request,
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138 const char *subsystem,
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139 const char *format, ...) __attr_format__(3, 4);
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140 void auth_request_log_info(struct auth_request *auth_request,
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141 const char *subsystem,
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142 const char *format, ...) __attr_format__(3, 4);
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143 void auth_request_log_error(struct auth_request *auth_request,
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144 const char *subsystem,
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145 const char *format, ...) __attr_format__(3, 4);
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146
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147 void auth_request_verify_plain_callback(enum passdb_result result,
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148 struct auth_request *request);
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149 void auth_request_lookup_credentials_callback(enum passdb_result result,
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150 const char *credentials,
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151 struct auth_request *request);
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152 void auth_request_userdb_callback(struct auth_stream_reply *reply,
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153 struct auth_request *request);
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154
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155 #endif