diff options
Diffstat (limited to 'source4/heimdal/lib/krb5/addr_families.c')
| -rw-r--r-- | source4/heimdal/lib/krb5/addr_families.c | 282 |
1 files changed, 277 insertions, 5 deletions
diff --git a/source4/heimdal/lib/krb5/addr_families.c b/source4/heimdal/lib/krb5/addr_families.c index 8c31843058..f364f5974d 100644 --- a/source4/heimdal/lib/krb5/addr_families.c +++ b/source4/heimdal/lib/krb5/addr_families.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997-2005 Kungliga Tekniska Högskolan + * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * @@ -33,7 +33,7 @@ #include "krb5_locl.h" -RCSID("$Id: addr_families.c 18805 2006-10-22 06:54:00Z lha $"); +RCSID("$Id: addr_families.c 22039 2007-11-10 11:47:35Z lha $"); struct addr_operations { int af; @@ -767,6 +767,19 @@ find_atype(int atype) return NULL; } +/** + * krb5_sockaddr2address stores a address a "struct sockaddr" sa in + * the krb5_address addr. + * + * @param context a Keberos context + * @param sa a struct sockaddr to extract the address from + * @param addr an Kerberos 5 address to store the address in. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_sockaddr2address (krb5_context context, const struct sockaddr *sa, krb5_address *addr) @@ -780,6 +793,20 @@ krb5_sockaddr2address (krb5_context context, return (*a->sockaddr2addr)(sa, addr); } +/** + * krb5_sockaddr2port extracts a port (if possible) from a "struct + * sockaddr. + * + * @param context a Keberos context + * @param sa a struct sockaddr to extract the port from + * @param port a pointer to an int16_t store the port in. + * + * @return Return an error code or 0. Will return + * KRB5_PROG_ATYPE_NOSUPP in case address type is not supported. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_sockaddr2port (krb5_context context, const struct sockaddr *sa, int16_t *port) @@ -793,6 +820,27 @@ krb5_sockaddr2port (krb5_context context, return (*a->sockaddr2port)(sa, port); } +/** + * krb5_addr2sockaddr sets the "struct sockaddr sockaddr" from addr + * and port. The argument sa_size should initially contain the size of + * the sa and after the call, it will contain the actual length of the + * address. In case of the sa is too small to fit the whole address, + * the up to *sa_size will be stored, and then *sa_size will be set to + * the required length. + * + * @param context a Keberos context + * @param addr the address to copy the from + * @param sa the struct sockaddr that will be filled in + * @param sa_size pointer to length of sa, and after the call, it will + * contain the actual length of the address. + * @param port set port in sa. + * + * @return Return an error code or 0. Will return + * KRB5_PROG_ATYPE_NOSUPP in case address type is not supported. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_addr2sockaddr (krb5_context context, const krb5_address *addr, @@ -808,7 +856,8 @@ krb5_addr2sockaddr (krb5_context context, return KRB5_PROG_ATYPE_NOSUPP; } if (a->addr2sockaddr == NULL) { - krb5_set_error_string (context, "Can't convert address type %d to sockaddr", + krb5_set_error_string (context, + "Can't convert address type %d to sockaddr", addr->addr_type); return KRB5_PROG_ATYPE_NOSUPP; } @@ -816,6 +865,15 @@ krb5_addr2sockaddr (krb5_context context, return 0; } +/** + * krb5_max_sockaddr_size returns the max size of the .Li struct + * sockaddr that the Kerberos library will return. + * + * @return Return an size_t of the maximum struct sockaddr. + * + * @ingroup krb5_address + */ + size_t KRB5_LIB_FUNCTION krb5_max_sockaddr_size (void) { @@ -828,6 +886,18 @@ krb5_max_sockaddr_size (void) return max_sockaddr_size; } +/** + * krb5_sockaddr_uninteresting returns TRUE for all .Fa sa that the + * kerberos library thinks are uninteresting. One example are link + * local addresses. + * + * @param sa pointer to struct sockaddr that might be interesting. + * + * @return Return a non zero for uninteresting addresses. + * + * @ingroup krb5_address + */ + krb5_boolean KRB5_LIB_FUNCTION krb5_sockaddr_uninteresting(const struct sockaddr *sa) { @@ -837,6 +907,25 @@ krb5_sockaddr_uninteresting(const struct sockaddr *sa) return (*a->uninteresting)(sa); } +/** + * krb5_h_addr2sockaddr initializes a "struct sockaddr sa" from af and + * the "struct hostent" (see gethostbyname(3) ) h_addr_list + * component. The argument sa_size should initially contain the size + * of the sa, and after the call, it will contain the actual length of + * the address. + * + * @param context a Keberos context + * @param af addresses + * @param addr address + * @param sa returned struct sockaddr + * @param sa_size size of sa + * @param port port to set in sa. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_h_addr2sockaddr (krb5_context context, int af, @@ -853,6 +942,20 @@ krb5_h_addr2sockaddr (krb5_context context, return 0; } +/** + * krb5_h_addr2addr works like krb5_h_addr2sockaddr with the exception + * that it operates on a krb5_address instead of a struct sockaddr. + * + * @param context a Keberos context + * @param af address family + * @param haddr host address from struct hostent. + * @param addr returned krb5_address. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_h_addr2addr (krb5_context context, int af, @@ -866,6 +969,23 @@ krb5_h_addr2addr (krb5_context context, return (*a->h_addr2addr)(haddr, addr); } +/** + * krb5_anyaddr fills in a "struct sockaddr sa" that can be used to + * bind(2) to. The argument sa_size should initially contain the size + * of the sa, and after the call, it will contain the actual length + * of the address. + * + * @param context a Keberos context + * @param af address family + * @param sa sockaddr + * @param sa_size lenght of sa. + * @param port for to fill into sa. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_anyaddr (krb5_context context, int af, @@ -884,6 +1004,22 @@ krb5_anyaddr (krb5_context context, return 0; } +/** + * krb5_print_address prints the address in addr to the string string + * that have the length len. If ret_len is not NULL, it will be filled + * with the length of the string if size were unlimited (not including + * the final NUL) . + * + * @param addr address to be printed + * @param str pointer string to print the address into + * @param len length that will fit into area pointed to by "str". + * @param ret_len return length the str. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_print_address (const krb5_address *addr, char *str, size_t len, size_t *ret_len) @@ -921,6 +1057,19 @@ krb5_print_address (const krb5_address *addr, return 0; } +/** + * krb5_parse_address returns the resolved hostname in string to the + * krb5_addresses addresses . + * + * @param context a Keberos context + * @param string + * @param addresses + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_parse_address(krb5_context context, const char *string, @@ -980,6 +1129,21 @@ krb5_parse_address(krb5_context context, return 0; } +/** + * krb5_address_order compares the addresses addr1 and addr2 so that + * it can be used for sorting addresses. If the addresses are the same + * address krb5_address_order will return 0. Behavies like memcmp(2). + * + * @param context a Keberos context + * @param addr1 krb5_address to compare + * @param addr2 krb5_address to compare + * + * @return < 0 if address addr1 in "less" then addr2. 0 if addr1 and + * addr2 is the same address, > 0 if addr2 is "less" then addr1. + * + * @ingroup krb5_address + */ + int KRB5_LIB_FUNCTION krb5_address_order(krb5_context context, const krb5_address *addr1, @@ -1014,6 +1178,19 @@ krb5_address_order(krb5_context context, addr1->address.length); } +/** + * krb5_address_compare compares the addresses addr1 and addr2. + * Returns TRUE if the two addresses are the same. + * + * @param context a Keberos context + * @param addr1 address to compare + * @param addr2 address to compare + * + * @return Return an TRUE is the address are the same FALSE if not + * + * @ingroup krb5_address + */ + krb5_boolean KRB5_LIB_FUNCTION krb5_address_compare(krb5_context context, const krb5_address *addr1, @@ -1022,6 +1199,19 @@ krb5_address_compare(krb5_context context, return krb5_address_order (context, addr1, addr2) == 0; } +/** + * krb5_address_search checks if the address addr is a member of the + * address set list addrlist . + * + * @param context a Keberos context. + * @param addr address to search for. + * @param addrlist list of addresses to look in for addr. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_boolean KRB5_LIB_FUNCTION krb5_address_search(krb5_context context, const krb5_address *addr, @@ -1035,6 +1225,18 @@ krb5_address_search(krb5_context context, return FALSE; } +/** + * krb5_free_address frees the data stored in the address that is + * alloced with any of the krb5_address functions. + * + * @param context a Keberos context + * @param address addresss to be freed. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_free_address(krb5_context context, krb5_address *address) @@ -1047,6 +1249,18 @@ krb5_free_address(krb5_context context, return 0; } +/** + * krb5_free_addresses frees the data stored in the address that is + * alloced with any of the krb5_address functions. + * + * @param context a Keberos context + * @param addresses addressses to be freed. + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_free_addresses(krb5_context context, krb5_addresses *addresses) @@ -1060,6 +1274,19 @@ krb5_free_addresses(krb5_context context, return 0; } +/** + * krb5_copy_address copies the content of address + * inaddr to outaddr. + * + * @param context a Keberos context + * @param inaddr pointer to source address + * @param outaddr pointer to destination address + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_copy_address(krb5_context context, const krb5_address *inaddr, @@ -1071,6 +1298,19 @@ krb5_copy_address(krb5_context context, return copy_HostAddress(inaddr, outaddr); } +/** + * krb5_copy_addresses copies the content of addresses + * inaddr to outaddr. + * + * @param context a Keberos context + * @param inaddr pointer to source addresses + * @param outaddr pointer to destination addresses + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_copy_addresses(krb5_context context, const krb5_addresses *inaddr, @@ -1085,6 +1325,19 @@ krb5_copy_addresses(krb5_context context, return 0; } +/** + * krb5_append_addresses adds the set of addresses in source to + * dest. While copying the addresses, duplicates are also sorted out. + * + * @param context a Keberos context + * @param dest destination of copy operation + * @param source adresses that are going to be added to dest + * + * @return Return an error code or 0. + * + * @ingroup krb5_address + */ + krb5_error_code KRB5_LIB_FUNCTION krb5_append_addresses(krb5_context context, krb5_addresses *dest, @@ -1115,8 +1368,17 @@ krb5_append_addresses(krb5_context context, return 0; } -/* +/** * Create an address of type KRB5_ADDRESS_ADDRPORT from (addr, port) + * + * @param context a Keberos context + * @param res built address from addr/port + * @param addr address to use + * @param port port to use + * + * @return Return an error code or 0. + * + * @ingroup krb5_address */ krb5_error_code KRB5_LIB_FUNCTION @@ -1170,9 +1432,19 @@ krb5_make_addrport (krb5_context context, return 0; } -/* +/** * Calculate the boundary addresses of `inaddr'/`prefixlen' and store * them in `low' and `high'. + * + * @param context a Keberos context + * @param inaddr address in prefixlen that the bondery searched + * @param prefixlen width of boundery + * @param low lowest address + * @param high highest address + * + * @return Return an error code or 0. + * + * @ingroup krb5_address */ krb5_error_code KRB5_LIB_FUNCTION |