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c53ad052d8
Some bugs caused by less unit tests in fundamental packages. This PR refactor `setting` package so that create a unit test will be easier than before. - All `LoadFromXXX` files has been splited as two functions, one is `InitProviderFromXXX` and `LoadCommonSettings`. The first functions will only include the code to create or new a ini file. The second function will load common settings. - It also renames all functions in setting from `newXXXService` to `loadXXXSetting` or `loadXXXFrom` to make the function name less confusing. - Move `XORMLog` to `SQLLog` because it's a better name for that. Maybe we should finally move these `loadXXXSetting` into the `XXXInit` function? Any idea? --------- Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: delvh <dev.lh@web.de>
198 lines
8.5 KiB
Go
198 lines
8.5 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package setting
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import (
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"os"
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"path"
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"path/filepath"
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"strings"
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"text/template"
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"time"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/util"
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gossh "golang.org/x/crypto/ssh"
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)
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var SSH = struct {
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Disabled bool `ini:"DISABLE_SSH"`
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StartBuiltinServer bool `ini:"START_SSH_SERVER"`
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BuiltinServerUser string `ini:"BUILTIN_SSH_SERVER_USER"`
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UseProxyProtocol bool `ini:"SSH_SERVER_USE_PROXY_PROTOCOL"`
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Domain string `ini:"SSH_DOMAIN"`
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Port int `ini:"SSH_PORT"`
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User string `ini:"SSH_USER"`
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ListenHost string `ini:"SSH_LISTEN_HOST"`
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ListenPort int `ini:"SSH_LISTEN_PORT"`
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RootPath string `ini:"SSH_ROOT_PATH"`
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ServerCiphers []string `ini:"SSH_SERVER_CIPHERS"`
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ServerKeyExchanges []string `ini:"SSH_SERVER_KEY_EXCHANGES"`
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ServerMACs []string `ini:"SSH_SERVER_MACS"`
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ServerHostKeys []string `ini:"SSH_SERVER_HOST_KEYS"`
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KeyTestPath string `ini:"SSH_KEY_TEST_PATH"`
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KeygenPath string `ini:"SSH_KEYGEN_PATH"`
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AuthorizedKeysBackup bool `ini:"SSH_AUTHORIZED_KEYS_BACKUP"`
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AuthorizedPrincipalsBackup bool `ini:"SSH_AUTHORIZED_PRINCIPALS_BACKUP"`
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AuthorizedKeysCommandTemplate string `ini:"SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE"`
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AuthorizedKeysCommandTemplateTemplate *template.Template `ini:"-"`
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MinimumKeySizeCheck bool `ini:"-"`
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MinimumKeySizes map[string]int `ini:"-"`
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CreateAuthorizedKeysFile bool `ini:"SSH_CREATE_AUTHORIZED_KEYS_FILE"`
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CreateAuthorizedPrincipalsFile bool `ini:"SSH_CREATE_AUTHORIZED_PRINCIPALS_FILE"`
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ExposeAnonymous bool `ini:"SSH_EXPOSE_ANONYMOUS"`
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AuthorizedPrincipalsAllow []string `ini:"SSH_AUTHORIZED_PRINCIPALS_ALLOW"`
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AuthorizedPrincipalsEnabled bool `ini:"-"`
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TrustedUserCAKeys []string `ini:"SSH_TRUSTED_USER_CA_KEYS"`
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TrustedUserCAKeysFile string `ini:"SSH_TRUSTED_USER_CA_KEYS_FILENAME"`
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TrustedUserCAKeysParsed []gossh.PublicKey `ini:"-"`
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PerWriteTimeout time.Duration `ini:"SSH_PER_WRITE_TIMEOUT"`
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PerWritePerKbTimeout time.Duration `ini:"SSH_PER_WRITE_PER_KB_TIMEOUT"`
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}{
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Disabled: false,
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StartBuiltinServer: false,
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Domain: "",
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Port: 22,
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ServerCiphers: []string{"chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"},
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ServerKeyExchanges: []string{"curve25519-sha256", "ecdh-sha2-nistp256", "ecdh-sha2-nistp384", "ecdh-sha2-nistp521", "diffie-hellman-group14-sha256", "diffie-hellman-group14-sha1"},
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ServerMACs: []string{"hmac-sha2-256-etm@openssh.com", "hmac-sha2-256", "hmac-sha1"},
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KeygenPath: "ssh-keygen",
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MinimumKeySizeCheck: true,
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MinimumKeySizes: map[string]int{"ed25519": 256, "ed25519-sk": 256, "ecdsa": 256, "ecdsa-sk": 256, "rsa": 2047},
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ServerHostKeys: []string{"ssh/gitea.rsa", "ssh/gogs.rsa"},
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AuthorizedKeysCommandTemplate: "{{.AppPath}} --config={{.CustomConf}} serv key-{{.Key.ID}}",
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PerWriteTimeout: PerWriteTimeout,
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PerWritePerKbTimeout: PerWritePerKbTimeout,
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}
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func parseAuthorizedPrincipalsAllow(values []string) ([]string, bool) {
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anything := false
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email := false
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username := false
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for _, value := range values {
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v := strings.ToLower(strings.TrimSpace(value))
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switch v {
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case "off":
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return []string{"off"}, false
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case "email":
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email = true
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case "username":
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username = true
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case "anything":
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anything = true
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}
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}
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if anything {
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return []string{"anything"}, true
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}
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authorizedPrincipalsAllow := []string{}
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if username {
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authorizedPrincipalsAllow = append(authorizedPrincipalsAllow, "username")
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}
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if email {
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authorizedPrincipalsAllow = append(authorizedPrincipalsAllow, "email")
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}
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return authorizedPrincipalsAllow, true
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}
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func loadSSHFrom(rootCfg ConfigProvider) {
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sec := rootCfg.Section("server")
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if len(SSH.Domain) == 0 {
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SSH.Domain = Domain
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}
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homeDir, err := util.HomeDir()
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if err != nil {
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log.Fatal("Failed to get home directory: %v", err)
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}
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homeDir = strings.ReplaceAll(homeDir, "\\", "/")
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SSH.RootPath = path.Join(homeDir, ".ssh")
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serverCiphers := sec.Key("SSH_SERVER_CIPHERS").Strings(",")
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if len(serverCiphers) > 0 {
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SSH.ServerCiphers = serverCiphers
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}
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serverKeyExchanges := sec.Key("SSH_SERVER_KEY_EXCHANGES").Strings(",")
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if len(serverKeyExchanges) > 0 {
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SSH.ServerKeyExchanges = serverKeyExchanges
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}
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serverMACs := sec.Key("SSH_SERVER_MACS").Strings(",")
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if len(serverMACs) > 0 {
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SSH.ServerMACs = serverMACs
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}
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SSH.KeyTestPath = os.TempDir()
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if err = sec.MapTo(&SSH); err != nil {
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log.Fatal("Failed to map SSH settings: %v", err)
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}
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for i, key := range SSH.ServerHostKeys {
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if !filepath.IsAbs(key) {
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SSH.ServerHostKeys[i] = filepath.Join(AppDataPath, key)
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}
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}
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SSH.KeygenPath = sec.Key("SSH_KEYGEN_PATH").MustString("ssh-keygen")
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SSH.Port = sec.Key("SSH_PORT").MustInt(22)
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SSH.ListenPort = sec.Key("SSH_LISTEN_PORT").MustInt(SSH.Port)
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SSH.UseProxyProtocol = sec.Key("SSH_SERVER_USE_PROXY_PROTOCOL").MustBool(false)
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// When disable SSH, start builtin server value is ignored.
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if SSH.Disabled {
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SSH.StartBuiltinServer = false
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}
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SSH.TrustedUserCAKeysFile = sec.Key("SSH_TRUSTED_USER_CA_KEYS_FILENAME").MustString(filepath.Join(SSH.RootPath, "gitea-trusted-user-ca-keys.pem"))
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for _, caKey := range SSH.TrustedUserCAKeys {
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pubKey, _, _, _, err := gossh.ParseAuthorizedKey([]byte(caKey))
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if err != nil {
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log.Fatal("Failed to parse TrustedUserCaKeys: %s %v", caKey, err)
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}
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SSH.TrustedUserCAKeysParsed = append(SSH.TrustedUserCAKeysParsed, pubKey)
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}
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if len(SSH.TrustedUserCAKeys) > 0 {
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// Set the default as email,username otherwise we can leave it empty
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sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").MustString("username,email")
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} else {
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sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").MustString("off")
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}
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SSH.AuthorizedPrincipalsAllow, SSH.AuthorizedPrincipalsEnabled = parseAuthorizedPrincipalsAllow(sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").Strings(","))
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SSH.MinimumKeySizeCheck = sec.Key("MINIMUM_KEY_SIZE_CHECK").MustBool(SSH.MinimumKeySizeCheck)
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minimumKeySizes := rootCfg.Section("ssh.minimum_key_sizes").Keys()
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for _, key := range minimumKeySizes {
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if key.MustInt() != -1 {
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SSH.MinimumKeySizes[strings.ToLower(key.Name())] = key.MustInt()
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} else {
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delete(SSH.MinimumKeySizes, strings.ToLower(key.Name()))
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}
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}
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SSH.AuthorizedKeysBackup = sec.Key("SSH_AUTHORIZED_KEYS_BACKUP").MustBool(true)
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SSH.CreateAuthorizedKeysFile = sec.Key("SSH_CREATE_AUTHORIZED_KEYS_FILE").MustBool(true)
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SSH.AuthorizedPrincipalsBackup = false
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SSH.CreateAuthorizedPrincipalsFile = false
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if SSH.AuthorizedPrincipalsEnabled {
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SSH.AuthorizedPrincipalsBackup = sec.Key("SSH_AUTHORIZED_PRINCIPALS_BACKUP").MustBool(true)
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SSH.CreateAuthorizedPrincipalsFile = sec.Key("SSH_CREATE_AUTHORIZED_PRINCIPALS_FILE").MustBool(true)
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}
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SSH.ExposeAnonymous = sec.Key("SSH_EXPOSE_ANONYMOUS").MustBool(false)
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SSH.AuthorizedKeysCommandTemplate = sec.Key("SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE").MustString(SSH.AuthorizedKeysCommandTemplate)
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SSH.AuthorizedKeysCommandTemplateTemplate = template.Must(template.New("").Parse(SSH.AuthorizedKeysCommandTemplate))
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SSH.PerWriteTimeout = sec.Key("SSH_PER_WRITE_TIMEOUT").MustDuration(PerWriteTimeout)
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SSH.PerWritePerKbTimeout = sec.Key("SSH_PER_WRITE_PER_KB_TIMEOUT").MustDuration(PerWritePerKbTimeout)
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// ensure parseRunModeSetting has been executed before this
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SSH.BuiltinServerUser = rootCfg.Section("server").Key("BUILTIN_SSH_SERVER_USER").MustString(RunUser)
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SSH.User = rootCfg.Section("server").Key("SSH_USER").MustString(SSH.BuiltinServerUser)
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}
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