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AUTH_META(3) S. Varshavchik. AUTH_META(3) NAME auth_meta - Authentication metadata SYNOPSIS #include <courierauth.h> struct auth_meta *meta=auth_meta_init_default(void); void auth_meta_destroy_default(struct auth_meta *meta); DESCRIPTION The auth_meta structure provides additional, optional metadata for auth_lo- gin_meta(3), auth_generic_meta(3), and auth_getuserinfo_meta(3). struct auth_meta { char **envvars; }; Description of the above fields: envvars An array of opaque "name=value" strings, ending with a null pointer. The library recognizes the following envvars variables: TCPREMOTEIP The IP address the authentication request came from. Initializing a default auth_meta auth_meta_init_default creates an auth_meta with default values. A NULL pointer gets returned if the object could not be created. auth_meta_de- stroy_default frees the object and all memory used by it, after it is no longer needed. Typical usage: * auth_meta_init_default gets called to create an auth_meta. * The pointer to the new auth_meta gets passed to auth_login_meta(3), auth_generic_meta(3) or auth_getuserinfo_meta(3). * auth_meta_destroy_default deallocates and frees auth_meta's memory. Default auth_meta values auth_meta_init_default creates an auth_meta with the following values: * The TCPREMOTEIP environment variable, if set, is placed in the TCPRE- MOTEIP envvars SEE ALSO authlib(3)[1], auth_login_meta(3)[2], auth_generic_meta(3)[3], auth_ge- tuserinfo_meta(3)[4] NOTES 1. authlib(3) https://www.courier-mta.org/authlib/authlib.html 2. auth_login_meta(3) https://www.courier-mta.org/authlib/auth_login.html 3. auth_generic_meta(3) https://www.courier-mta.org/authlib/auth_generic.html 4. auth_getuserinfo_meta(3) https://www.courier-mta.org/authlib/auth_getuserinfo.html S. Varshavchik. 01/11/2026 AUTH_META(3)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | NOTES
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