krb5_address, krb5_addresses, krb5_sockaddr2address, krb5_sockaddr2port, krb5_addr2sockaddr, krb5_max_sockaddr_size, krb5_sockaddr_uninteresting, krb5_h_addr2sockaddr, krb5_h_addr2addr, krb5_anyaddr, krb5_print_address, krb5_parse_address, krb5_address_order, krb5_address_compare, krb5_address_search, krb5_free_address, krb5_free_addresses, krb5_copy_address, krb5_copy_addresses, krb5_append_addresses, krb5_make_addrport - mange addresses in Kerberos.

CONTENTS

Library
Synopsis
Description
See Also

Kerberos 5 Library (libkrb5, -lkrb5)

.In krb5.h

krb5_error_code
.Fo krb5_sockaddr2address krb5_context context const struct sockaddr *sa krb5_address *addr
.Fc krb5_error_code
.Fo krb5_sockaddr2port krb5_context context const struct sockaddr *sa int16_t *port
.Fc krb5_error_code
.Fo krb5_addr2sockaddr krb5_context context const krb5_address *addr struct sockaddr *sa krb5_socklen_t *sa_size int port
.Fc size_t
.Fo krb5_max_sockaddr_size void
.Fc krb5_boolean
.Fo krb5_sockaddr_uninteresting const struct sockaddr *sa
.Fc krb5_error_code
.Fo krb5_h_addr2sockaddr krb5_context context int af const char *addr struct sockaddr *sa krb5_socklen_t *sa_size int port
.Fc krb5_error_code
.Fo krb5_h_addr2addr krb5_context context int af const char *haddr krb5_address *addr
.Fc krb5_error_code
.Fo krb5_anyaddr krb5_context context int af struct sockaddr *sa krb5_socklen_t *sa_size int port
.Fc krb5_error_code
.Fo krb5_print_address const krb5_address *addr char *str size_t len size_t *ret_len
.Fc krb5_error_code
.Fo krb5_parse_address krb5_context context const char *string krb5_addresses *addresses
.Fc int
.Fo krb5_address_order krb5_context context const krb5_address *addr1 const krb5_address *addr2
.Fc krb5_boolean
.Fo krb5_address_compare krb5_context context const krb5_address *addr1 const krb5_address *addr2
.Fc krb5_boolean
.Fo krb5_address_search krb5_context context const krb5_address *addr const krb5_addresses *addrlist
.Fc krb5_error_code
.Fo krb5_free_address krb5_context context krb5_address *address
.Fc krb5_error_code
.Fo krb5_free_addresses krb5_context context krb5_addresses *addresses
.Fc krb5_error_code
.Fo krb5_copy_address krb5_context context const krb5_address *inaddr krb5_address *outaddr
.Fc krb5_error_code
.Fo krb5_copy_addresses krb5_context context const krb5_addresses *inaddr krb5_addresses *outaddr
.Fc krb5_error_code
.Fo krb5_append_addresses krb5_context context krb5_addresses *dest const krb5_addresses *source
.Fc krb5_error_code
.Fo krb5_make_addrport krb5_context context krb5_address **res const krb5_address *addr int16_t port
.Fc

The krb5_address structure holds a address that can be used in Kerberos API calls. There are help functions to set and extract address information of the address.

The krb5_addresses structure holds a set of krb5_address:es.

krb5_sockaddr2address stores a address a struct sockaddr sa in the krb5_address addr.

krb5_sockaddr2port extracts a port (if possible) from a struct sockaddr sa.

krb5_addr2sockaddr sets the struct sockaddr sockaddr from addr and port. Sa_size should be initially contain the size of the sa, and after the call, it will contain the actual length of the address.

krb5_max_sockaddr_size returns the max size of the struct sockaddr that the Kerberos library will return.

krb5_sockaddr_uninteresting returns TRUE for all sa that for that the kerberos library thinks are uninteresting. One example are link local addresses.

krb5_h_addr2sockaddr initializes a struct sockaddr sa from af and the struct hostent (see gethostbyname(3)) h_addr_list component. Sa_size should be initially contain the size of the sa, and after the call, it will contain the actual length of the address. sa argument.

krb5_h_addr2addr works like krb5_h_addr2sockaddr with the exception that it operates on a krb5_address instead of a struct sockaddr

krb5_anyaddr fills in a struct sockaddr sa that can be used to
.Xf bind 3 to. Sa_size should be initially contain the size of the sa, and after the call, it will contain the actual length of the address.

krb5_print_address prints the address in addr to the a string string that have the length len. If ret_len if not NULL, it will be filled in length of the string.

krb5_parse_address Returns the resolving a hostname in string to the krb5_addresses addresses.

krb5_address_order compares to addresses addr1 and addr2 so that it can be used for sorting addresses. If the addresses are the same address krb5_address_order will be return 0.

krb5_address_compare compares the addresses addr1 and addr2. returns TRUE if the two addresses are the same.

krb5_address_search checks if the address addr is a member of the address set list addrlist.

krb5_free_address frees the data stored in the address that is alloced with any of the krb5_address functions.

krb5_free_addresses frees the data stored in the addresses that is alloced with any of the krb5_address functions.

krb5_copy_address copies the content of address inaddr to outaddr.

krb5_copy_addresses copies the content of the address list inaddr to outaddr.

krb5_append_addresses adds the set of addresses in source to dest. While copying the addresses, duplicates are also sorted out.

krb5_make_addrport allocates and creates an krb5_address in res of type KRB5_ADDRESS_ADDRPORT from ( addr, port).

krb5(3), krb5.conf(5), kerberos(8)

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