OpenBSD-4.6/kerberosV/src/lib/krb5/krb5_config.3

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.\" Copyright (c) 2000 - 2004 Kungliga Tekniska Högskolan
.\" (Royal Institute of Technology, Stockholm, Sweden).
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.\" $KTH: krb5_config.3,v 1.8 2004/03/20 18:15:01 lha Exp $
.\"
.Dd March 20, 2004
.Dt KRB5_CONFIG_GET 3
.Os HEIMDAL
.Sh NAME
.Nm krb5_config_file_free ,
.Nm krb5_config_free_strings ,
.Nm krb5_config_get ,
.Nm krb5_config_get_bool ,
.Nm krb5_config_get_bool_default ,
.Nm krb5_config_get_int ,
.Nm krb5_config_get_int_default ,
.Nm krb5_config_get_list ,
.Nm krb5_config_get_next ,
.Nm krb5_config_get_string ,
.Nm krb5_config_get_string_default ,
.Nm krb5_config_get_strings ,
.Nm krb5_config_get_time ,
.Nm krb5_config_get_time_default ,
.Nm krb5_config_parse_file ,
.Nm krb5_config_parse_file_multi ,
.Nm krb5_config_vget ,
.Nm krb5_config_vget_bool ,
.Nm krb5_config_vget_bool_default ,
.Nm krb5_config_vget_int ,
.Nm krb5_config_vget_int_default ,
.Nm krb5_config_vget_list ,
.Nm krb5_config_vget_next ,
.Nm krb5_config_vget_string ,
.Nm krb5_config_vget_string_default ,
.Nm krb5_config_vget_strings ,
.Nm krb5_config_vget_time ,
.Nm krb5_config_vget_time_default
.Nd get configuration value
.Sh LIBRARY
Kerberos 5 Library (libkrb5, -lkrb5)
.Sh SYNOPSIS
.In krb5.h
.Ft krb5_error_code
.Fo krb5_config_file_free
.Fa "krb5_context context"
.Fa "krb5_config_section *s"
.Fc
.Ft void
.Fo krb5_config_free_strings
.Fa "char **strings"
.Fc
.Ft "const void *"
.Fo krb5_config_get
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "int type"
.Fa "..."
.Fc
.Ft krb5_boolean
.Fo krb5_config_get_bool
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "..."
.Fc
.Ft krb5_boolean
.Fo krb5_config_get_bool_default
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "krb5_boolean def_value"
.Fa "..."
.Fc
.Ft int
.Fo krb5_config_get_int
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "..."
.Fc
.Ft int
.Fo krb5_config_get_int_default
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "int def_value"
.Fa "..."
.Fc
.Ft const char*
.Fo krb5_config_get_string
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "..."
.Fc
.Ft const char*
.Fo krb5_config_get_string_default
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "const char *def_value"
.Fa "..."
.Fc
.Ft "char**"
.Fo krb5_config_get_strings
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "..."
.Fc
.Ft int
.Fo krb5_config_get_time
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "..."
.Fc
.Ft int
.Fo krb5_config_get_time_default
.Fa "krb5_context context"
.Fa "krb5_config_section *c"
.Fa "int def_value"
.Fa "..."
.Fc
.Ft krb5_error_code
.Fo krb5_config_parse_file
.Fa "krb5_context context"
.Fa "const char *fname"
.Fa "krb5_config_section **res"
.Fc
.Ft krb5_error_code
.Fo krb5_config_parse_file_multi
.Fa "krb5_context context"
.Fa "const char *fname"
.Fa "krb5_config_section **res"
.Fc
.Ft "const void *"
.Fo krb5_config_vget
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "int type"
.Fa "va_list args"
.Fc
.Ft krb5_boolean
.Fo krb5_config_vget_bool
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "va_list args"
.Fc
.Ft krb5_boolean
.Fo krb5_config_vget_bool_default
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "krb5_boolean def_value"
.Fa "va_list args"
.Fc
.Ft int
.Fo krb5_config_vget_int
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "va_list args"
.Fc
.Ft int
.Fo krb5_config_vget_int_default
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "int def_value"
.Fa "va_list args"
.Fc
.Ft "const krb5_config_binding *"
.Fo krb5_config_vget_list
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "va_list args"
.Fc
.Ft "const void *"
.Fo krb5_config_vget_next
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "const krb5_config_binding **pointer"
.Fa "int type"
.Fa "va_list args"
.Fc
.Ft "const char *"
.Fo krb5_config_vget_string
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "va_list args"
.Fc
.Ft "const char *"
.Fo krb5_config_vget_string_default
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "const char *def_value"
.Fa "va_list args"
.Fc
.Ft char **
.Fo krb5_config_vget_strings
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "va_list args"
.Fc
.Ft int
.Fo krb5_config_vget_time
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "va_list args"
.Fc
.Ft int
.Fo krb5_config_vget_time_default
.Fa "krb5_context context"
.Fa "const krb5_config_section *c"
.Fa "int def_value"
.Fa "va_list args"
.Fc
.Sh DESCRIPTION
These functions get values from the
.Xr krb5.conf 5
configuration file, or another configuration database specified by the
.Fa c
parameter.
.Pp
The variable arguments should be a list of strings naming each
subsection to look for. For example:
.Bd -literal -offset indent
krb5_config_get_bool_default(context, NULL, FALSE, 
     "libdefaults", "log_utc", NULL);
.Ed
.Pp
gets the boolean value for the
.Dv log_utc
option, defaulting to
.Dv FALSE .
.Pp
.Fn krb5_config_get_bool_default
will convert the option value to a boolean value, where
.Sq yes ,
.Sq true ,
and any non-zero number means
.Dv TRUE ,
and any other value
.Dv FALSE .
.Pp
.Fn krb5_config_get_int_default
will convert the value to an integer.
.Pp
.Fn krb5_config_get_time_default
will convert the value to a period of time (not a time stamp) in
seconds, so the string
.Sq 2 weeks
will be converted to
1209600 (2 * 7 * 24 * 60 * 60).
.Pp
.Fn krb5_config_free_strings
free
.Fa strings
as returned by
.Fn krb5_config_get_strings
and
.Fn krb5_config_vget_strings .
.Pp
.Fn krb5_config_file_free
free the result of
.Fn krb5_config_parse_file
and
.Fn krb5_config_parse_file_multi .
.Sh SEE ALSO
.Xr krb5_appdefault 3 ,
.Xr krb5_init_context 3 ,
.Xr krb5.conf 5
.Sh BUGS
For the default functions, other than for the string case, there's no
way to tell whether there was a value specified or not.