Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/auth/userdb-passwd-file.c @ 6411:6a64e64fa3a3 HEAD

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
author Timo Sirainen <tss@iki.fi>
date Sun, 16 Sep 2007 11:40:56 +0300
parents 9e74c008484a
children 65c69a53a7be
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1 /* Copyright (C) 2002-2003 Timo Sirainen */
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2
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3 #include "common.h"
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4
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5 #ifdef USERDB_PASSWD_FILE
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6
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7 #include "str.h"
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8 #include "auth-cache.h"
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9 #include "var-expand.h"
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10 #include "userdb.h"
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11 #include "db-passwd-file.h"
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13 #define PASSWD_FILE_CACHE_KEY "%u"
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15 struct passwd_file_userdb_module {
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16 struct userdb_module module;
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17
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18 struct auth *auth;
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19 struct db_passwd_file *pwf;
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20 };
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21
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22 static void passwd_file_lookup(struct auth_request *auth_request,
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23 userdb_callback_t *callback)
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24 {
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25 struct userdb_module *_module = auth_request->userdb->userdb;
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26 struct passwd_file_userdb_module *module =
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27 (struct passwd_file_userdb_module *)_module;
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28 struct passwd_user *pu;
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29 const struct var_expand_table *table;
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30 string_t *str;
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31 const char *key, *value;
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32 char **p;
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33
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34 pu = db_passwd_file_lookup(module->pwf, auth_request);
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35 if (pu == NULL) {
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36 callback(USERDB_RESULT_USER_UNKNOWN, auth_request);
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37 return;
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38 }
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39
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40 auth_request_init_userdb_reply(auth_request);
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41 if (pu->uid != (uid_t)-1) {
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42 auth_request_set_userdb_field(auth_request, "uid",
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43 dec2str(pu->uid));
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44 }
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45 if (pu->gid != (gid_t)-1) {
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46 auth_request_set_userdb_field(auth_request, "gid",
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47 dec2str(pu->gid));
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48 }
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50 if (pu->home != NULL)
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51 auth_request_set_userdb_field(auth_request, "home", pu->home);
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52
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53 if (pu->extra_fields != NULL) {
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54 t_push();
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55 str = t_str_new(512);
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56 table = auth_request_get_var_expand_table(auth_request, NULL);
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57
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58 for (p = pu->extra_fields; *p != NULL; p++) {
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59 if (strncmp(*p, "userdb_", 7) != 0)
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60 continue;
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61
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62 key = *p + 7;
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63 value = strchr(key, '=');
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64 if (value != NULL) {
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65 key = t_strdup_until(key, value);
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66 str_truncate(str, 0);
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67 var_expand(str, value + 1, table);
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68 value = str_c(str);
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69 }
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70 auth_request_set_userdb_field(auth_request, key, value);
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71 }
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72 t_pop();
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73 }
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74
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75 callback(USERDB_RESULT_OK, auth_request);
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76 }
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77
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78 static struct userdb_module *
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79 passwd_file_preinit(struct auth_userdb *auth_userdb, const char *args)
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80 {
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81 struct passwd_file_userdb_module *module;
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82 const char *format = PASSWD_FILE_DEFAULT_USERNAME_FORMAT;
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83 const char *p;
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84
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85 if (strncmp(args, "username_format=", 16) == 0) {
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86 args += 16;
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87 p = strchr(args, ' ');
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88 if (p == NULL) {
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89 format = args;
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90 args = "";
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91 } else {
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92 format = p_strdup_until(auth_userdb->auth->pool,
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93 args, p);
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94 args = p + 1;
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95 }
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96 }
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97
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98 module = p_new(auth_userdb->auth->pool,
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99 struct passwd_file_userdb_module, 1);
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100 module->auth = auth_userdb->auth;
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101 module->pwf = db_passwd_file_init(args, format, TRUE,
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102 module->auth->verbose_debug);
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103
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104 if (!module->pwf->vars)
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105 module->module.cache_key = PASSWD_FILE_CACHE_KEY;
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106 else {
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107 module->module.cache_key =
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108 auth_cache_parse_key(auth_userdb->auth->pool,
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109 t_strconcat(PASSWD_FILE_CACHE_KEY,
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110 module->pwf->path,
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111 NULL));
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112 }
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113 return &module->module;
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114 }
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115
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116 static void passwd_file_init(struct userdb_module *_module,
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117 const char *args ATTR_UNUSED)
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118 {
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119 struct passwd_file_userdb_module *module =
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120 (struct passwd_file_userdb_module *)_module;
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121
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122 db_passwd_file_parse(module->pwf);
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123 }
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124
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125 static void passwd_file_deinit(struct userdb_module *_module)
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126 {
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127 struct passwd_file_userdb_module *module =
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128 (struct passwd_file_userdb_module *)_module;
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129
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130 db_passwd_file_unref(&module->pwf);
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131 }
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132
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133 struct userdb_module_interface userdb_passwd_file = {
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134 "passwd-file",
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135
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136 passwd_file_preinit,
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137 passwd_file_init,
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138 passwd_file_deinit,
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139
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140 passwd_file_lookup
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141 };
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142
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143 #endif