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-rw-r--r--lib/snmp/src/misc/snmp_conf.erl737
1 files changed, 556 insertions, 181 deletions
diff --git a/lib/snmp/src/misc/snmp_conf.erl b/lib/snmp/src/misc/snmp_conf.erl
index 46625989d5..f4483995cb 100644
--- a/lib/snmp/src/misc/snmp_conf.erl
+++ b/lib/snmp/src/misc/snmp_conf.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -25,35 +25,42 @@
%% External exports
%% Avoid warning for local function error/1 clashing with autoimported BIF.
-compile({no_auto_import,[error/1]}).
--export([read_files/2, read/2]).
+-export([read_files/2, no_gen/2, no_order/2, no_filter/1, keyorder/4]).
+-export([read/2, read/3]).
%% Basic (type) check functions
-export([check_mandatory/2,
check_integer/1, check_integer/2,
-
+
check_string/1, check_string/2,
- check_atom/2,
+ check_atom/2,
check_timer/1,
- all_domains/0,
- check_domain/1,
- all_tdomains/0,
- check_tdomain/1,
- mk_tdomain/1,
- which_domain/1,
- check_ip/1, check_ip/2,
- check_taddress/1, check_taddress/2,
- mk_taddress/3,
-
- check_packet_size/1,
+ all_domains/0,
+ check_domain/1,
+ domain_to_name/1,
+ all_tdomains/0,
+ check_tdomain/1,
+ mk_tdomain/0, mk_tdomain/1,
+ tdomain_to_family/1, tdomain_to_domain/1,
+ which_domain/1,
+ mk_addr_string/1,
+ check_ip/1, check_ip/2,
+ check_port/1,
+%% ip_port_to_domaddr/2,
+ check_address/2, check_address/3,
+ check_taddress/2,
+ mk_taddress/1, mk_taddress/2,
+
+ check_packet_size/1,
check_oid/1,
- check_imask/1, check_emask/1,
-
- check_mp_model/1,
- check_sec_model/1, check_sec_model/2, check_sec_model/3,
+ check_imask/1, check_emask/1,
+
+ check_mp_model/1,
+ check_sec_model/1, check_sec_model/2, check_sec_model/3,
check_sec_level/1,
all_integer/1
@@ -70,17 +77,53 @@
-include("snmp_verbosity.hrl").
+-define(is_word(P), (((P) band (bnot 65535)) =:= 0)).
+-define(is_word(P0, P1), ((((P0) bor (P1)) band (bnot 255)) =:= 0)).
+
+mk_word(B0, B1) -> ((B0) bsl 8) bor (B1).
+mk_bytes(W) -> [(W) bsr 8,(W) band 255].
+
+-define(
+ is_ipv4_addr(A0, A1, A2, A3),
+ ((((A0) bor (A1) bor (A2) bor (A3)) band (bnot 255)) =:= 0)).
+
+-define(
+ is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7),
+ ((((A0) bor (A1) bor (A2) bor (A3) bor (A4) bor (A5) bor (A6) bor (A7))
+ band (bnot 65535)) =:= 0)).
+-define(
+ is_ipv6_addr(
+ A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15),
+ ((((A0) bor (A1) bor (A2) bor (A3) bor
+ (A4) bor (A5) bor (A6) bor (A7) bor
+ (A8) bor (A9) bor (A10) bor (A11) bor
+ (A12) bor (A13) bor (A14) bor (A15))
+ band (bnot 65535)) =:= 0)).
+
+
%%-----------------------------------------------------------------
%% read_files(Dir, Files) -> Configs
%% Dir - string() - Full path to the config dir.
-%% Files - [{Gen, Filter, Check, FileName}]
+%% Files - [{FileName, Gen, Order, Check, Filter}]
+%% FileName - string() - Name of the config file.
%% Gen - function/2 - In case of failure when reading the config file,
%% this function is called to either generate a
%% default file or issue the error.
-%% Filter - function/1 - Filters all the config entries read from the file
-%% Check - function/1 - Check each entry as they are read from the file.
-%% FileName - string() - Name of the config file.
+%% Returns a generated config list corresponding
+%% to the written file.
+%% (Dir, Error) -> Configs.
+%% Order - function/2 - An ordering function that is used to process
+%% the read config entries using lists:sort/2.
+%% Returns true if arg 1 compares less than or
+%% equal to arg 2, false otherwise.
+%% Check - function/2 - Check each entry as they are read from the file.
+%% (Entry, State) ->
+%% {ok,NewState} | {{ok,NewEntry},NewState} |
+%% throw(Error)
+%% State =:= 'undefined' the first time.
+%% Filter - function/1 - Process all the config entries read from the file
+%% (Configs) -> [config_entry()].
%% Configs - [config_entry()]
%% config_entry() - term()
@@ -89,99 +132,143 @@ read_files(Dir, Files) when is_list(Dir) andalso is_list(Files) ->
read_files(_Dir, [], Res) ->
lists:reverse(Res);
-read_files(Dir, [{Gen, Filter, Check, FileName}|Files], Res)
- when is_function(Filter) andalso
- is_function(Check) andalso
- is_list(FileName) ->
- ?vdebug("read_files -> entry with"
- "~n FileName: ~p", [FileName]),
+read_files(Dir, [{FileName, Gen, Order, Check, Filter}|Files], Res)
+ when is_list(FileName),
+ is_function(Gen),
+ is_function(Order),
+ is_function(Check),
+ is_function(Filter) ->
+ ?vdebug("read_files -> entry with~n"
+ " FileName: ~p", [FileName]),
File = filename:join(Dir, FileName),
- case file:read_file_info(File) of
- {ok, _} ->
- Confs = read(File, Check),
- read_files(Dir, Files, [Filter(Confs)|Res]);
- {error, R} ->
- ?vlog("failed reading file info for ~s: "
- "~n ~p", [FileName, R]),
- Gen(Dir, R),
- read_files(Dir, Files, [Filter([])|Res])
- end.
-
+ Confs =
+ case file:read_file_info(File) of
+ {ok,_} ->
+ read(File, Order, Check);
+ {error, R} ->
+ ?vlog("failed reading file info for ~s: ~n"
+ " ~p", [FileName, R]),
+ Gen(Dir, R)
+ end,
+ read_files(Dir, Files, [Filter(Confs)|Res]).
+
+
+
+no_gen(_Dir, _R) -> [].
+no_order(_, _) -> true.
+no_filter(X) -> X.
+
+%% Order tuples on element N with Keys first in appearence order.
+%%
+%% An ordering function (A, B) shall return true iff
+%% A is less than or equal to B i.e shall return
+%% false iff A is to be ordered after B.
+keyorder(N, A, B, _) when element(N, A) == element(N, B) ->
+ true;
+keyorder(N, A, B, [Key | _])
+ when tuple_size(A) >= 1, element(N, B) == Key ->
+ false;
+keyorder(N, A, B, [Key | _])
+ when element(N, A) == Key, tuple_size(B) >= 1 ->
+ true;
+keyorder(N, A, B, [_ | Keys]) ->
+ keyorder(N, A, B, Keys);
+keyorder(_, A, B, []) when tuple_size(A) >= 1, tuple_size(B) >= 1 ->
+ %% Do not order other keys
+ true;
+keyorder(N, A, B, sort) ->
+ %% Order other keys according to standard sort order
+ element(N, A) =< element(N, B).
+
+
+read(File, Verify) ->
+ Check = fun (Row, State) -> {Verify(Row), State} end,
+ read(File, fun no_order/2, Check).
%% Ret. Res | exit(Reason)
-read(File, Check) when is_function(Check) ->
- ?vdebug("read -> entry with"
- "~n File: ~p", [File]),
-
+read(File, Order, Check) when is_function(Order), is_function(Check) ->
+ ?vdebug("read -> entry with~n"
+ " File: ~p", [File]),
Fd = open_file(File),
+ read_fd(File, Order, Check, Fd, 1, []).
- case loop(Fd, [], Check, 1, File) of
- {error, Reason} ->
- file:close(Fd),
- error(Reason);
- {ok, Res} ->
- file:close(Fd),
- Res
+read_fd(File, Order, Check, Fd, StartLine, Res) ->
+ case do_read(Fd, "", StartLine) of
+ {ok, Row, EndLine} ->
+ ?vtrace("read_fd ->~n"
+ " Row: ~p~n"
+ " EndLine: ~p", [Row,EndLine]),
+ read_fd(
+ File, Order, Check, Fd, EndLine,
+ [{StartLine, Row, EndLine}|Res]);
+ {error, Error, EndLine} ->
+ ?vtrace("read_fd -> read failure:~n"
+ " Error: ~p~n"
+ " EndLine: ~p", [Error,EndLine]),
+ file:close(Fd),
+ error({failed_reading, File, StartLine, EndLine, Error});
+ {eof, _EndLine} ->
+ Lines =
+ lists:sort(
+ fun ({_, RowA, _}, {_, RowB, _}) ->
+ Order(RowA, RowB)
+ end,
+ lists:reverse(Res)),
+ ?vtrace("read_fd to read_check ->~n"
+ " Lines: ~p", [Lines]),
+ read_check(File, Check, Lines, undefined, [])
end.
-open_file(File) ->
- case file:open(File, [read]) of
- {ok, Fd} ->
- Fd;
- {error, Reason} ->
- error({failed_open, File, Reason})
+read_check(_, _, [], _, Res) ->
+ lists:reverse(Res);
+read_check(File, Check, [{StartLine, Row, EndLine}|Lines], State, Res) ->
+ try Check(Row, State) of
+ {Rows, NewState} when is_list(Rows) ->
+ ?vtrace("read_check -> ok:~n"
+ " Rows: ~p~n", [Rows]),
+ read_check(File, Check, Lines, NewState, Rows ++ Res);
+ {ok, NewState} ->
+ ?vtrace("read_check -> ok", []),
+ read_check(File, Check, Lines, NewState, [Row | Res]);
+ {{ok, NewRow}, NewState} ->
+ ?vtrace("read_check -> ok:~n"
+ " NewRow: ~p~n", [NewRow]),
+ read_check(File, Check, Lines, NewState, [NewRow | Res])
+ catch
+ {error, Reason} ->
+ ?vtrace("read_check -> error:~n"
+ " Reason: ~p", [Reason]),
+ error({failed_check, File, StartLine, EndLine, Reason});
+ Class:Reason ->
+ Error = {Class,Reason,erlang:get_stacktrace()},
+ ?vtrace("read_check -> failure:~n"
+ " Error: ~p", [Error]),
+ error({failed_check, File, StartLine, EndLine, Error})
end.
-loop(Fd, Res, Check, StartLine, File) ->
- case do_read(Fd, "", StartLine) of
- {ok, Row, EndLine} ->
- ?vtrace("loop -> "
- "~n Row: ~p"
- "~n EndLine: ~p", [Row, EndLine]),
- case (catch Check(Row)) of
- ok ->
- ?vtrace("loop -> ok", []),
- loop(Fd, [Row | Res], Check, EndLine, File);
- {ok, NewRow} ->
- ?vtrace("loop -> ok: "
- "~n NewRow: ~p", [NewRow]),
- loop(Fd, [NewRow | Res], Check, EndLine, File);
- {error, Reason} ->
- ?vtrace("loop -> check error: "
- "~n Reason: ~p", [Reason]),
- {error, {failed_check, File, StartLine, EndLine, Reason}};
- Error ->
- ?vtrace("loop -> check failure: "
- "~n Error: ~p", [Error]),
- {error, {failed_check, File, StartLine, EndLine, Error}}
- end;
- {error, EndLine, Error} ->
- ?vtrace("loop -> read failure: "
- "~n Error: ~p", [Error]),
- {error, {failed_reading, File, StartLine, EndLine, Error}};
- eof ->
- {ok, Res}
+open_file(File) ->
+ case file:open(File, [read]) of
+ {ok, Fd} ->
+ Fd;
+ {error, Reason} ->
+ error({failed_open, File, Reason})
end.
-
do_read(Io, Prompt, StartLine) ->
case io:request(Io, {get_until,Prompt,erl_scan,tokens,[StartLine]}) of
- {ok, Toks, EndLine} ->
- case erl_parse:parse_term(Toks) of
- {ok, Term} ->
- {ok, Term, EndLine};
- {error, {Line, erl_parse, Error}} ->
- {error, Line, {parse_error, Error}}
- end;
- {error,E,EndLine} ->
- {error, EndLine, E};
- {eof, _EndLine} ->
- eof;
- Other ->
- Other
+ {ok, Toks, EndLine} ->
+ case erl_parse:parse_term(Toks) of
+ {ok, Term} ->
+ {ok, Term, EndLine};
+ {error, {Line, erl_parse, Error}} ->
+ {error, {parse_error, Error}, Line}
+ end;
+ Other ->
+ Other
end.
+
%%-----------------------------------------------------------------
@@ -384,7 +471,7 @@ all_tdomains() ->
check_tdomain(TDomain) ->
SupportedTDomains =
[
- ?snmpUDPDomain,
+ ?snmpUDPDomain, % Legacy
?transportDomainUdpIpv4,
?transportDomainUdpIpv6
],
@@ -404,6 +491,9 @@ check_tdomain(TDomain) ->
%% ---------
+mk_tdomain() ->
+ mk_tdomain(snmpUDPDomain).
+
mk_tdomain(snmpUDPDomain) ->
mk_tdomain(transportDomainUdpIpv4);
mk_tdomain(transportDomainUdpIpv4) ->
@@ -416,40 +506,64 @@ mk_tdomain(BadDomain) ->
%% ---------
-check_taddress(X) ->
- check_taddress(snmpUDPDomain, X).
+tdomain_to_family(snmpUDPDomain) ->
+ inet;
+tdomain_to_family(transportDomainUdpIpv4) ->
+ inet;
+tdomain_to_family(transportDomainUdpIpv6) ->
+ inet6;
+tdomain_to_family(?snmpUDPDomain) ->
+ inet;
+tdomain_to_family(?transportDomainUdpIpv4) ->
+ inet;
+tdomain_to_family(?transportDomainUdpIpv6) ->
+ inet6;
+tdomain_to_family(BadDomain) ->
+ error({bad_domain, BadDomain}).
+
+
+%% ---------
+
+tdomain_to_domain(?snmpUDPDomain) ->
+ snmpUDPDomain;
+tdomain_to_domain(?transportDomainUdpIpv4) ->
+ transportDomainUdpIpv4;
+tdomain_to_domain(?transportDomainUdpIpv6) ->
+ transportDomainUdpIpv6;
+tdomain_to_domain(BadTDomain) ->
+ error({bad_tdomain, BadTDomain}).
+
+
+%% ---------
check_taddress(?snmpUDPDomain, X) ->
check_taddress(transportDomainUdpIpv4, X);
check_taddress(snmpUDPDomain, X) ->
check_taddress(transportDomainUdpIpv4, X);
-
+%%
check_taddress(?transportDomainUdpIpv4, X) ->
check_taddress(transportDomainUdpIpv4, X);
-check_taddress(transportDomainUdpIpv4, X)
- when is_list(X) andalso (length(X) =:= 6) ->
- case (catch all_integer(X)) of
- true ->
+check_taddress(transportDomainUdpIpv4, X) ->
+ case X of
+ [A0,A1,A2,A3,P0,P1]
+ when ?is_ipv4_addr(A0, A1, A2, A3), ?is_word(P0, P1) ->
ok;
- false ->
+ _ ->
error({invalid_taddress, X})
end;
-check_taddress(transportDomainUdpIpv4, X) ->
- error({invalid_taddress, X});
-
+%%
check_taddress(?transportDomainUdpIpv6, X) ->
check_taddress(transportDomainUdpIpv6, X);
-check_taddress(transportDomainUdpIpv6, X)
- when is_list(X) andalso (length(X) =:= 10) ->
- case (catch all_integer(X)) of
- true ->
+check_taddress(transportDomainUdpIpv6, X) ->
+ case X of
+ [A0,A1,A2,A3,A4,A5,A6,A7,P0,P1]
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7),
+ ?is_word(P0, P1) ->
ok;
- false ->
+ _ ->
error({invalid_taddress, X})
end;
-check_taddress(transportDomainUdpIpv6, X) ->
- error({invalid_taddress, X});
-
+%%
check_taddress(BadDomain, _X) ->
error({invalid_tdomain, BadDomain}).
@@ -512,96 +626,357 @@ all_domains() ->
transportDomainSctpDns
].
+check_domain(snmpUDPDomain) -> ok;
+check_domain(transportDomainUdpIpv4) -> ok;
+check_domain(transportDomainUdpIpv6) -> ok;
check_domain(Domain) ->
- SupportedDomains =
- [
- snmpUDPDomain,
- transportDomainUdpIpv4,
- transportDomainUdpIpv6
- ],
- AllDomains = all_domains(),
- case lists:member(Domain, SupportedDomains) of
+ case lists:member(Domain, all_domains()) of
true ->
- ok;
+ error({unsupported_domain, Domain});
false ->
- case lists:member(Domain, AllDomains) of
- true ->
- error({unsupported_domain, Domain});
- false ->
- error({unknown_domain, Domain})
- end
+ error({unknown_domain, Domain})
end.
-
+
+domain_to_name(snmpUDPDomain) ->
+ undefined;
+domain_to_name(transportDomainUdpIpv4) ->
+ udpIpv4;
+domain_to_name(transportDomainUdpIpv6) ->
+ udpIpv6;
+domain_to_name(transportDomainUdpIpv4z) ->
+ udpIpv4z;
+domain_to_name(transportDomainUdpIpv6z) ->
+ udpIpv6z;
+domain_to_name(transportDomainTcpIpv4) ->
+ tcpIpv4;
+domain_to_name(transportDomainTcpIpv6) ->
+ tcpIpv6;
+domain_to_name(transportDomainTcpIpv4z) ->
+ tcpIpv4z;
+domain_to_name(transportDomainTcpIpv6z) ->
+ tcpIpv6z;
+domain_to_name(transportDomainSctpIpv4) ->
+ sctpIpv4;
+domain_to_name(transportDomainSctpIpv6) ->
+ sctpIpv6;
+domain_to_name(transportDomainSctpIpv4z) ->
+ sctpIpv4z;
+domain_to_name(transportDomainSctpIpv6z) ->
+ sctpIpv6z;
+domain_to_name(transportDomainLocal) ->
+ local;
+domain_to_name(transportDomainUdpDns) ->
+ udpDns;
+domain_to_name(transportDomainTcpDns) ->
+ tcpDns;
+domain_to_name(transportDomainSctpDns) ->
+ sctpDns;
+domain_to_name(BadDomain) ->
+ error({bad_domain, BadDomain}).
%% ---------
-%% The values of Ip and Port has both been checked at this
-%% point, so we dont need to do that again.
-mk_taddress(snmpUDPDomain, Ip, Port) ->
- mk_taddress(transportDomainUdpIpv4, Ip, Port);
-mk_taddress(transportDomainUdpIpv4, Ip, Port) when is_list(Ip) ->
- Ip ++ [Port div 256, Port rem 256];
-mk_taddress(transportDomainUdpIpv4 = Domain, Ip, Port) when is_tuple(Ip) ->
- mk_taddress(Domain, tuple_to_list(Ip), Port);
-mk_taddress(transportDomainUdpIpv6, Ip, Port) when is_list(Ip) ->
- Ip ++ [Port div 256, Port rem 256];
-mk_taddress(transportDomainUdpIpv6 = Domain, Ip, Port) when is_tuple(Ip) ->
- mk_taddress(Domain, tuple_to_list(Ip), Port);
+mk_taddress(Address) ->
+ mk_taddress(snmpUDPDomain, Address).
+%% The values of Domain, Ip and Port has both been checked at this
+%% point, so we dont need to do that again, but this function is
+%% also used on incoming packets from net_if so a little
+%% check that net_if does not supply bad arguments is in order.
+%%
%% These are just for convenience
-mk_taddress(?snmpUDPDomain, Ip, Port) ->
- mk_taddress(snmpUDPDomain, Ip, Port);
-mk_taddress(?transportDomainUdpIpv4, Ip, Port) ->
- mk_taddress(transportDomainUdpIpv4, Ip, Port);
-mk_taddress(?transportDomainUdpIpv6, Ip, Port) ->
- mk_taddress(transportDomainUdpIpv6, Ip, Port);
-
+mk_taddress(?snmpUDPDomain, Address) ->
+ mk_taddress(snmpUDPDomain, Address);
+mk_taddress(?transportDomainUdpIpv4, Address) ->
+ mk_taddress(transportDomainUdpIpv4, Address);
+mk_taddress(?transportDomainUdpIpv6, Address) ->
+ mk_taddress(transportDomainUdpIpv6, Address);
+%%
+mk_taddress(snmpUDPDomain, Address) -> % Legacy
+ mk_taddress(transportDomainUdpIpv4, Address);
+mk_taddress(transportDomainUdpIpv4 = Domain, Address) ->
+ case Address of
+ [] -> % Empty mask
+ [];
+ {Ip, Port} when tuple_size(Ip) =:= 4, is_integer(Port) ->
+ tuple_to_list(Ip) ++ mk_bytes(Port);
+ _ ->
+ erlang:error(badarg, [Domain,Address])
+ end;
+mk_taddress(transportDomainUdpIpv6 = Domain, Address) ->
+ case Address of
+ [] -> % Empty mask
+ [];
+ {{A, B, C, D, E, F, G, H}, Port} ->
+ [A bsr 8, A band 255,
+ B bsr 8, B band 255,
+ C bsr 8, C band 255,
+ D bsr 8, D band 255,
+ E bsr 8, E band 255,
+ F bsr 8, F band 255,
+ G bsr 8, G band 255,
+ H bsr 8, H band 255,
+ Port bsr 8, Port band 255];
+ _ ->
+ erlang:error(badarg, [Domain,Address])
+ end;
%% Bad domain
-mk_taddress(BadDomain, _Ip, _Port) ->
+mk_taddress(BadDomain, _) ->
error({bad_domain, BadDomain}).
-
+
%% ---------
-which_domain(Ip) when is_list(Ip) andalso (length(Ip) =:= 4) ->
+%% XXX remove, when net_if handles one socket per transport domain
+
+which_domain([A0,A1,A2,A3])
+ when ?is_ipv4_addr(A0, A1, A2, A3) ->
transportDomainUdpIpv4;
-which_domain(Ip) when is_tuple(Ip) andalso (size(Ip) =:= 4) ->
+which_domain({A0, A1, A2, A3})
+ when ?is_ipv4_addr(A0, A1, A2, A3) ->
transportDomainUdpIpv4;
-which_domain(Ip) when is_list(Ip) andalso (length(Ip) =:= 8) ->
+which_domain([A0,A1,A2,A3,A4,A5,A6,A7])
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7) ->
+ transportDomainUdpIpv6;
+which_domain([A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11,A12,A13,A14,A15])
+ when ?is_ipv6_addr(
+ A0, A1, A2, A3, A4, A5, A6, A7,
+ A8, A9, A10, A11, A12, A13, A14, A15) ->
transportDomainUdpIpv6;
-which_domain(Ip) when is_tuple(Ip) andalso (size(Ip) =:= 8) ->
+which_domain({A0, A1, A2, A3, A4, A5, A6, A7})
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7) ->
transportDomainUdpIpv6.
-
%% ---------
+mk_addr_string({_IP, Port} = Addr) when is_integer(Port) ->
+ mk_addr_string({snmpUDPDomain, Addr});
+mk_addr_string({Domain, Addr}) when is_atom(Domain) ->
+ %% XXX There is only code for IP domains here
+ case check_address_ip(Domain, Addr) of
+ false ->
+ case check_address_ip_port(Domain, Addr) of
+ false ->
+ error({bad_address, {Domain, Addr}});
+ true ->
+ {IP, Port} = Addr,
+ mk_addr_string_ntoa(Domain, IP, Port);
+ {IP, Port} ->
+ mk_addr_string_ntoa(Domain, IP, Port)
+ end;
+ true ->
+ mk_addr_string_ntoa(Domain, Addr);
+ IP ->
+ mk_addr_string_ntoa(Domain, IP)
+ end.
+
+
+mk_addr_string_ntoa({_, _, _, _} = IP) ->
+ inet:ntoa(IP);
+mk_addr_string_ntoa(IP) ->
+ lists:flatten(io_lib:format("[~s]", [inet:ntoa(IP)])).
+
+mk_addr_string_ntoa(Domain, IP) ->
+ case domain_to_name(Domain) of
+ undefined ->
+ mk_addr_string_ntoa(IP);
+ Name ->
+ lists:flatten(
+ io_lib:format("~w://~s", [Name, mk_addr_string_ntoa(IP)]))
+ end.
+
+mk_addr_string_ntoa(Domain, IP, Port) ->
+ lists:flatten(
+ io_lib:format(
+ "~s:~w", [mk_addr_string_ntoa(Domain, IP), Port])).
+
+%% ---------
+
check_ip(X) ->
check_ip(snmpUDPDomain, X).
-check_ip(snmpUDPDomain, X) ->
- check_ip(transportDomainUdpIpv4, X);
-check_ip(transportDomainUdpIpv4, X) when is_list(X) andalso (length(X) =:= 4) ->
- case (catch all_integer(X)) of
- true ->
+check_ip(Domain, IP) ->
+ %% XXX There is only code for IP domains here
+ case check_address_ip(Domain, IP) of
+ false ->
+ error({bad_address, {Domain, IP}});
+ true ->
ok;
- false ->
- error({invalid_ip_address, X})
- end;
-check_ip(transportDomainUdpIpv4, X) ->
- error({invalid_ip_address, X});
+ FixedIP ->
+ {ok, FixedIP}
+ end.
-check_ip(transportDomainUdpIpv6, X) when is_list(X) andalso (length(X) =:= 8) ->
- case (catch all_integer(X)) of
- true ->
+
+%% ---------
+
+check_port(Port) when ?is_word(Port) ->
+ ok;
+check_port(Port) ->
+ error({bad_port, Port}).
+
+%% ip_port_to_domaddr(IP, Port) when ?is_word(Port) ->
+%% %% XXX There is only code for IP domains here
+%% case check_address_ip(transportDomainUdpIpv4, IP) of
+%% false ->
+%% case check_address_ip(transportDomainUdpIpv6, IP) of
+%% false ->
+%% error({bad_address, {transportDomainUdpIpv4, {IP, Port}}});
+%% true ->
+%% {transportDomainUdpIpv6, {IP, Port}};
+%% FixedIP ->
+%% {transportDomainUdpIpv6, {FixedIP, Port}}
+%% end;
+%% true ->
+%% {transportDomainUdpIpv4, {IP, Port}};
+%% FixedIP ->
+%% {transportDomainUdpIpv4, {FixedIP, Port}}
+%% end;
+%% ip_port_to_domaddr(IP, Port) ->
+%% error({bad_address, {transportDomainUdpIpv4, {IP, Port}}}).
+
+%% Check a configuration term field from a file to see if it
+%% can be fixed to be fed to mk_taddress/2.
+
+check_address(Domain, Address, DefaultPort) ->
+ %% If Address does not contain Port or contains Port =:= 0
+ %% create an address containing DefaultPort
+ %%
+ %% XXX There is only code for IP domains here
+ case check_address_ip(Domain, Address) of
+ false ->
+ case check_address_ip_port(Domain, Address) of
+ false ->
+ error({bad_address, {Domain, Address}});
+ true ->
+ case Address of
+ {IP, 0} ->
+ {ok, {IP, DefaultPort}};
+ _ ->
+ ok
+ end;
+ {FixedIP, 0} ->
+ {ok, {FixedIP, DefaultPort}};
+ FixedAddress ->
+ {ok, FixedAddress}
+ end;
+ true ->
+ {ok, {Address, DefaultPort}};
+ FixedIP ->
+ {ok, {FixedIP, DefaultPort}}
+ end.
+
+check_address(Domain, Address) ->
+ %% Address has to contain Port
+ %%
+ %% XXX There is only code for IP domains here
+ case check_address_ip_port(Domain, Address) of
+ false ->
+ error({bad_address, {Domain, Address}});
+ true ->
ok;
- false ->
- error({invalid_ip_address, X})
+ FixedAddress ->
+ {ok, FixedAddress}
+ end.
+
+%% -> IP
+check_address_ip(Domain, Address)
+ when Domain =:= snmpUDPDomain;
+ Domain =:= transportDomainUdpIpv4 ->
+ case Address of
+ %% Erlang native format
+ {A0, A1, A2, A3}
+ when ?is_ipv4_addr(A0, A1, A2, A3) ->
+ true;
+ %% Erlangish format
+ [A0,A1,A2,A3]
+ when ?is_ipv4_addr(A0, A1, A2, A3) ->
+ {A0, A1, A2, A3};
+ _ ->
+ false
+ end;
+check_address_ip(transportDomainUdpIpv6, Address) ->
+ case Address of
+ %% Erlang native format
+ {A0, A1, A2, A3, A4, A5, A6, A7}
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7) ->
+ true;
+ %% Erlangish format
+ [A0,A1,A2,A3,A4,A5,A6,A7]
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7) ->
+ {A0, A1, A2, A3, A4, A5, A6, A7};
+ %% SNMP standards format
+ [A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11,A12,A13,A14,A15]
+ when ?is_ipv6_addr(
+ A0, A1, A2, A3, A4, A5, A6, A7,
+ A8, A9, A10, A11, A12, A13, A14, A15) ->
+ {mk_word(A0, A1), mk_word(A2, A3),
+ mk_word(A4, A5), mk_word(A6, A7),
+ mk_word(A8, A9), mk_word(A10, A11),
+ mk_word(A12, A13), mk_word(A14, A15)};
+ _ ->
+ false
end;
-check_ip(transportDomainUdpIpv6, X) ->
- error({invalid_ip_address, X});
+check_address_ip(BadDomain, _) ->
+ error({bad_domain, BadDomain}).
-check_ip(BadDomain, _X) ->
- error({invalid_domain, BadDomain}).
+%% -> {IP, Port}
+check_address_ip_port(Domain, Address)
+ when Domain =:= snmpUDPDomain;
+ Domain =:= transportDomainUdpIpv4 ->
+ case Address of
+ {IP, Port} when ?is_word(Port) ->
+ case check_address_ip(Domain, IP) of
+ false ->
+ false;
+ true ->
+ true;
+ FixedIP ->
+ {FixedIP, Port}
+ end;
+ %% SNMP standards format
+ [A0,A1,A2,A3,P0,P1]
+ when ?is_ipv4_addr(A0, A1, A2, A3), ?is_word(P0, P1) ->
+ {{A0, A1, A2, A3}, mk_word(P0, P1)};
+ _ ->
+ false
+ end;
+check_address_ip_port(transportDomainUdpIpv6 = Domain, Address) ->
+ case Address of
+ {IP, Port} when ?is_word(Port) ->
+ case check_address_ip(Domain, IP) of
+ false ->
+ false;
+ true ->
+ true;
+ FixedIP ->
+ {FixedIP, Port}
+ end;
+ %% Erlang friendly list format
+ [A0,A1,A2,A3,A4,A5,A6,A7,P]
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7),
+ ?is_word(P) ->
+ {{A0, A1, A2, A3, A4, A5, A6, A7}, P};
+ %% Strange hybrid format with port as bytes
+ [A0,A1,A2,A3,A4,A5,A6,A7,P0,P1]
+ when ?is_ipv6_addr(A0, A1, A2, A3, A4, A5, A6, A7),
+ ?is_word(P0, P1) ->
+ {{A0, A1, A2, A3, A4, A5, A6, A7}, mk_word(P0, P1)};
+ %% SNMP standards format
+ [A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11,A12,A13,A14,A15,P0,P1]
+ when ?is_ipv6_addr(
+ A0, A1, A2, A3, A4, A5, A6, A7,
+ A8, A9, A10, A11, A12, A13, A14, A15),
+ ?is_word(P0, P1) ->
+ {{mk_word(A0, A1), mk_word(A2, A3),
+ mk_word(A4, A5), mk_word(A6, A7),
+ mk_word(A8, A9), mk_word(A10, A11),
+ mk_word(A12, A13), mk_word(A14, A15)},
+ mk_word(P0, P1)};
+ _ ->
+ false
+ end;
+check_address_ip_port(BadDomain, _) ->
+ error({bad_domain, BadDomain}).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 22:42:18 +0000