annotate src/lib-storage/index/imapc/imapc-settings.c @ 23017:c1d36f2575c7 default tip

lib-imap: Fix "Don't accept strings with NULs" cherry-pick
author Timo Sirainen <timo.sirainen@open-xchange.com>
date Thu, 29 Aug 2019 09:55:25 +0300
parents 74dc3b764627
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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cb108f786fb4 Updated copyright notices to include the year 2018.
Stephan Bosch <stephan.bosch@dovecot.fi>
parents: 21983
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1 /* Copyright (c) 2011-2018 Dovecot authors, see the included COPYING file */
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2
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3 #include "lib.h"
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4 #include "settings-parser.h"
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5 #include "mail-storage-settings.h"
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6 #include "imapc-settings.h"
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7
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8 #include <stddef.h>
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9
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10 #undef DEF
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11 #define DEF(type, name) \
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12 { type, #name, offsetof(struct imapc_settings, name), NULL }
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13
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14 static bool imapc_settings_check(void *_set, pool_t pool, const char **error_r);
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15
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16 static const struct setting_define imapc_setting_defines[] = {
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17 DEF(SET_STR, imapc_host),
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18 DEF(SET_IN_PORT, imapc_port),
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19
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20 DEF(SET_STR_VARS, imapc_user),
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21 DEF(SET_STR_VARS, imapc_master_user),
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22 DEF(SET_STR, imapc_password),
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23 DEF(SET_STR, imapc_sasl_mechanisms),
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24
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25 DEF(SET_ENUM, imapc_ssl),
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26 DEF(SET_BOOL, imapc_ssl_verify),
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27
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28 DEF(SET_STR, imapc_features),
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29 DEF(SET_STR, imapc_rawlog_dir),
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30 DEF(SET_STR, imapc_list_prefix),
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31 DEF(SET_TIME, imapc_cmd_timeout),
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32 DEF(SET_TIME, imapc_max_idle_time),
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33 DEF(SET_UINT, imapc_connection_retry_count),
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34 DEF(SET_TIME, imapc_connection_retry_interval),
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35 DEF(SET_SIZE, imapc_max_line_length),
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36
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37 DEF(SET_STR, pop3_deleted_flag),
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38
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39 SETTING_DEFINE_LIST_END
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40 };
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41
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42 static const struct imapc_settings imapc_default_settings = {
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43 .imapc_host = "",
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44 .imapc_port = 143,
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45
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46 .imapc_user = "",
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47 .imapc_master_user = "",
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48 .imapc_password = "",
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49 .imapc_sasl_mechanisms = "",
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50
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51 .imapc_ssl = "no:imaps:starttls",
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52 .imapc_ssl_verify = TRUE,
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53
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54 .imapc_features = "",
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55 .imapc_rawlog_dir = "",
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56 .imapc_list_prefix = "",
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57 .imapc_cmd_timeout = 5*60,
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58 .imapc_max_idle_time = 60*29,
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59 .imapc_connection_retry_count = 1,
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60 .imapc_connection_retry_interval = 1,
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61 .imapc_max_line_length = 0,
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62
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63 .pop3_deleted_flag = ""
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64 };
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65
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66 static const struct setting_parser_info imapc_setting_parser_info = {
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67 .module_name = "imapc",
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68 .defines = imapc_setting_defines,
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69 .defaults = &imapc_default_settings,
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70
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71 .type_offset = (size_t)-1,
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72 .struct_size = sizeof(struct imapc_settings),
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73
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74 .parent_offset = (size_t)-1,
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75 .parent = &mail_user_setting_parser_info,
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76
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77 .check_func = imapc_settings_check
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78 };
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79
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80 const struct setting_parser_info *imapc_get_setting_parser_info(void)
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81 {
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82 return &imapc_setting_parser_info;
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83 }
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84
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85 /* <settings checks> */
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86 struct imapc_feature_list {
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87 const char *name;
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88 enum imapc_features num;
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89 };
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90
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91 static const struct imapc_feature_list imapc_feature_list[] = {
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92 { "rfc822.size", IMAPC_FEATURE_RFC822_SIZE },
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93 { "guid-forced", IMAPC_FEATURE_GUID_FORCED },
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94 { "fetch-headers", IMAPC_FEATURE_FETCH_HEADERS },
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95 { "gmail-migration", IMAPC_FEATURE_GMAIL_MIGRATION },
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96 { "search", IMAPC_FEATURE_SEARCH },
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97 { "zimbra-workarounds", IMAPC_FEATURE_ZIMBRA_WORKAROUNDS },
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98 { "no-examine", IMAPC_FEATURE_NO_EXAMINE },
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99 { "proxyauth", IMAPC_FEATURE_PROXYAUTH },
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100 { "fetch-msn-workarounds", IMAPC_FEATURE_FETCH_MSN_WORKAROUNDS },
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101 { "fetch-fix-broken-mails", IMAPC_FEATURE_FETCH_FIX_BROKEN_MAILS },
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102 { "modseq", IMAPC_FEATURE_MODSEQ },
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103 { "delay-login", IMAPC_FEATURE_DELAY_LOGIN },
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104 { "fetch-bodystructure", IMAPC_FEATURE_FETCH_BODYSTRUCTURE },
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105 { "fetch-empty-is-expunged", IMAPC_FEATURE_FETCH_EMPTY_IS_EXPUNGED },
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106 { "no-msn-updates", IMAPC_FEATURE_NO_MSN_UPDATES },
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107 { NULL, 0 }
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108 };
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109
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110 static int
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111 imapc_settings_parse_throttle(struct imapc_settings *set,
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112 const char *throttle_str, const char **error_r)
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113 {
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114 const char *const *tmp;
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115
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116 tmp = t_strsplit(throttle_str, ":");
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117 if (str_array_length(tmp) != 3 ||
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118 str_to_uint(tmp[0], &set->throttle_init_msecs) < 0 ||
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119 str_to_uint(tmp[1], &set->throttle_max_msecs) < 0 ||
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120 str_to_uint(tmp[2], &set->throttle_shrink_min_msecs) < 0) {
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121 *error_r = "imapc_features: Invalid throttle settings";
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122 return -1;
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123 }
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124 return 0;
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125 }
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126
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127 static int
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128 imapc_settings_parse_features(struct imapc_settings *set,
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129 const char **error_r)
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130 {
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131 enum imapc_features features = 0;
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132 const struct imapc_feature_list *list;
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133 const char *const *str;
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134
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135 str = t_strsplit_spaces(set->imapc_features, " ,");
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136 for (; *str != NULL; str++) {
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137 list = imapc_feature_list;
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138 for (; list->name != NULL; list++) {
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139 if (strcasecmp(*str, list->name) == 0) {
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140 features |= list->num;
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141 break;
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142 }
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143 }
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144 if (strncasecmp(*str, "throttle:", 9) == 0) {
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145 if (imapc_settings_parse_throttle(set, *str + 9, error_r) < 0)
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146 return -1;
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147 continue;
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148 }
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149 if (list->name == NULL) {
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150 *error_r = t_strdup_printf("imapc_features: "
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151 "Unknown feature: %s", *str);
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152 return -1;
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153 }
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154 }
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155 set->parsed_features = features;
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156 return 0;
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157 }
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158
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159 static bool imapc_settings_check(void *_set, pool_t pool ATTR_UNUSED,
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160 const char **error_r)
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161 {
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162 struct imapc_settings *set = _set;
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163
15153
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164 if (set->imapc_max_idle_time == 0) {
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165 *error_r = "imapc_max_idle_time must not be 0";
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166 return FALSE;
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167 }
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168 if (imapc_settings_parse_features(set, error_r) < 0)
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169 return FALSE;
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170 return TRUE;
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171 }