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AUTH_GETUSERINFO_MET(3) S. Varshavchik. AUTH_GETUSERINFO_MET(3) NAME auth_getuserinfo_meta, auth_getuserinfo - Obtain account information SYNOPSIS #include <courierauth.h> int rc=auth_getuserinfo_meta(struct auth_meta *meta, const char *userid, int (*callback_func)(struct au- thinfo *, void *), void *callback_arg); int rc=auth_getuserinfo(const char *userid, int (*callback_func)(struct au- thinfo *, void *), void *callback_arg); DESCRIPTION If userid is a valid account name, retrieve the account particulars and in- voke callback_func. A NULL meta is equivalent to using the default auth_meta returned by auth_meta_init_default(3)[1]. auth_getuserinfo() is deprecated and should not be used in new code. RETURNS callback_func will be invoked if userid exists, and callback_func's return value becomes the return value from auth_getuserinfo (which should be 0, by convention). callback_func will not be invoked if an error occurs, which is reported by a non-zero return value from auth_getuserinfo. By conven- tion, a positive return value indicates an internal, temporary failure, such as the authentication daemon process not running; a negative return value indicates that this request was processed, but it failed (probably because userid does not exist. The second argument to callback_func will be callback_arg, which is not in- terpreted by this function in any way. The first argument will be a pointer to the following structure: struct authinfo { const char *sysusername; const uid_t *sysuserid; gid_t sysgroupid; const char *homedir; const char *address; const char *fullname; const char *maildir; const char *quota; const char *passwd; const char *clearpasswd; const char *options; } ; Description of the above fields: address The authenticated login ID. sysusername The authenticated account's userid and groupid can be looked up in the password file using address. If this field is NULL, obtain the userid and the groupid from sysuserid and sysgroupid. sysuserid sysuserid may be NULL if sysusername is initialized, otherwise it's a pointer to the account's numeric userid. sysgroupid Account's numeric groupid. sysgroupid is only used when sysusername is NULL. fullname This is the account's full name. This field is optional, it may be NULL. homedir The account's home directory. This field cannot be NULL. maildir The pathname to the account's mailbox. This field is optional, it can be NULL in which case the default location is assumed. quota Optional maildir quota on the account's mailbox (and NULL if no quota is set). passwd The account's encrypted password, if available. If the account has a cleartext password defined, this field can be set to NULL. The en- crypted password can take several formats: * A traditional triple-DES crypted password, or a MD5+salt-hashed password, as used in Linux. * "{MD5}" followed by a base64-encoded MD5 hash of the password. * "{SHA}" followed by a base64-encoded SHA1 hash of the password. clearpasswd The account's cleartext password, if available. If the account has an encrypted password defined, this field can be set to NULL. options A comma-separated list of miscellaneous account options. See below for more information. Account options Depending on the configuration of the Courier authentication library, ac- counts may have individual options associated with them. If the authentica- tion library configuration does not implement account options, the option string will be a NULL value. Otherwise it will be a comma-separated list of "option=value" settings. Note The application is responsible for actually implementing the options. For example, sn authentication request for service "imap", for example, will succeed provided that the userid and the password are valid, even if "disableimap=1" is set. The application's callback_func should check for this condition, and return a negative return code. Note The following list of account options is a combined list of implemented options supported by Courier, Courier-IMAP, and SqWebMail packages. Some of the following information is obviously not applicable for a particular package. The inapplicable bits should be obvious. The following options are recognized by the various Courier packages: disableimap=n If "n" is 1, IMAP access to this account should be disabled. disablepop3=n If "n" is 1, POP3 access to this account should be disabled. disableinsecureimap=n If "n" is 1, unencrypted IMAP access to this account should be dis- abled. disableinsecurepop3=n If "n" is 1, unencrypted POP3 access to this account should be dis- abled. disablewebmail=n If "n" is 1, webmail access to this account should be disabled. disableshared=n If "n" is 1, this account should not have access to shared folders or be able to share its own folders with other people. group=name This option is used by Courier-IMAP in calculating access control lists. This option places the account as a member of access group name. Instead of granting access rights on individual mail folders to indi- vidual accounts, the access rights can be granted to an access group "name", and all members of this group get the specified access rights. The access group name "administrators" is a reserved group. All ac- counts in the administrators group automatically receive all rights to all accessible folders. Note This option may be specified multiple times to specify that the ac- count belongs to multiple account groups. sharedgroup=name Another option used by Courier-IMAP. Append "name" to the name of the top level virtual shared folder index file. This setting restricts which virtual shared folders this account could possibly access (and that's on top of whatever else the access control lists say). See the virtual shared folder documentation for more information. For technical reasons, group names may not include comma, tab, "/" or "|" characters. SEE ALSO authlib(3)[2], auth_meta(3)[1], auth_generic_meta(3)[3], auth_login_meta(3)[4], auth_enumerate(3)[5], auth_passwd(3)[6], auth_getop- tion(3)[7]. NOTES 1. auth_meta_init_default(3) https://www.courier-mta.org/authlib/auth_meta.html 2. authlib(3) https://www.courier-mta.org/authlib/authlib.html 3. auth_generic_meta(3) https://www.courier-mta.org/authlib/auth_generic.html 4. auth_login_meta(3) https://www.courier-mta.org/authlib/auth_login.html 5. auth_enumerate(3) https://www.courier-mta.org/authlib/auth_enumerate.html 6. auth_passwd(3) https://www.courier-mta.org/authlib/auth_passwd.html 7. auth_getoption(3) https://www.courier-mta.org/authlib/auth_getoption.html S. Varshavchik. 01/11/2026 AUTH_GETUSERINFO_MET(3)
NAME | SYNOPSIS | DESCRIPTION | RETURNS | SEE ALSO | NOTES
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