From c41d2c6490f7060989bcdbfe741061f0dc38efa3 Mon Sep 17 00:00:00 2001 From: Micael Karlberg Date: Tue, 10 Jul 2012 16:39:46 +0200 Subject: [snmp] Fixed pdf text "overflow" problems in the documentation --- lib/snmp/doc/src/snmp_config.xml | 3 ++- lib/snmp/doc/src/snmpa_network_interface_filter.xml | 6 ++++-- lib/snmp/doc/src/snmpm.xml | 14 +++++++------- lib/snmp/doc/src/snmpm_network_interface_filter.xml | 4 +++- 4 files changed, 16 insertions(+), 11 deletions(-) (limited to 'lib/snmp') diff --git a/lib/snmp/doc/src/snmp_config.xml b/lib/snmp/doc/src/snmp_config.xml index 340f2f1fa7..eec53162a1 100644 --- a/lib/snmp/doc/src/snmp_config.xml +++ b/lib/snmp/doc/src/snmp_config.xml @@ -963,7 +963,8 @@ Manager snmp config: 7b. User name? hobbes 7c. Security name? [hobbes] 7d. Authentication protocol (no/sha/md5)? [no] sha -7e Authentication [sha] key (length 0 or 20)? [""] [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20] +7e Authentication [sha] key (length 0 or 20)? [""] [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, \ + 17,18,19,20] 7d. Priv protocol (no/des/aes)? [no] des 7f Priv [des] key (length 0 or 16)? [""] 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25 7. Configure an usm user handled by this manager (y/n)? [y] n diff --git a/lib/snmp/doc/src/snmpa_network_interface_filter.xml b/lib/snmp/doc/src/snmpa_network_interface_filter.xml index 10419517dd..84953c5270 100644 --- a/lib/snmp/doc/src/snmpa_network_interface_filter.xml +++ b/lib/snmp/doc/src/snmpa_network_interface_filter.xml @@ -1,4 +1,4 @@ - + @@ -84,7 +84,9 @@ DATA TYPES port() = integer() > 0 -pdu_type() = 'get-request' | 'get-next-request' | 'get-response' | 'set-request' | trap | 'get-bulk-request' | 'inform-request' | report +pdu_type() = 'get-request' | 'get-next-request' | 'get-response' | + 'set-request' | trap | 'get-bulk-request' | 'inform-request' | + report diff --git a/lib/snmp/doc/src/snmpm.xml b/lib/snmp/doc/src/snmpm.xml index 9bbb6cdbdb..8ab3be8e18 100644 --- a/lib/snmp/doc/src/snmpm.xml +++ b/lib/snmp/doc/src/snmpm.xml @@ -173,16 +173,16 @@ sec_level() = noAuthNoPriv | authNoPriv | authPriv

Register the manager entity (=user) responsible for specific - agent(s).

+ agent(s).

Module is the callback module (snmpm_user behaviour) which - will be called whenever something happens (detected - agent, incoming reply or incoming trap/notification). - Note that this could have already been done as a - consequence of the node config. (see users.conf).

+ will be called whenever something happens (detected + agent, incoming reply or incoming trap/notification). + Note that this could have already been done as a + consequence of the node config. (see users.conf).

-

The argument DefaultAgentConfig is used as default values when - this user register agents.

+

The argument DefaultAgentConfig is used as default + values when this user register agents.

The type of Val depends on Item:

DATA TYPES port() = integer() > 0 -pdu_type() = 'get-request' | 'get-next-request' | 'get-response' | 'set-request' | trap | 'get-bulk-request' | 'inform-request' | report | trappdu +pdu_type() = 'get-request' | 'get-next-request' | 'get-response' | + 'set-request' | trap | 'get-bulk-request' | 'inform-request' | + report | trappdu -- cgit v1.2.3 From db929c5aacb412eb94fbe0757a47a41564e6fb51 Mon Sep 17 00:00:00 2001 From: Micael Karlberg Date: Tue, 10 Jul 2012 16:45:43 +0200 Subject: [snmp] Fixed problem with TimeTicks decode The decoder had a problem with data of type TimeTicks. Also, the handling of invalid values (value out of range) was bad for both TimeTicks and Unsigned32. OTP-10132 --- lib/snmp/doc/src/notes.xml | 48 +++++++++++ lib/snmp/src/app/snmp.appup.src | 43 ++++++++++ lib/snmp/src/misc/snmp_pdus.erl | 100 ++++++++++++++-------- lib/snmp/test/snmp_pdus_test.erl | 176 +++++++++++++++++++++++++++++++-------- lib/snmp/vsn.mk | 2 +- 5 files changed, 297 insertions(+), 72 deletions(-) (limited to 'lib/snmp') diff --git a/lib/snmp/doc/src/notes.xml b/lib/snmp/doc/src/notes.xml index 2d045faa0f..097238af9a 100644 --- a/lib/snmp/doc/src/notes.xml +++ b/lib/snmp/doc/src/notes.xml @@ -33,6 +33,54 @@ +
+ SNMP Development Toolkit 4.22.1 +

Version 4.22.1 supports code replacement in runtime from/to + version 4.22, 4.21.7 4.21.6 4.21.5, 4.21.4, 4.21.3, 4.21.2, 4.21.1 and 4.21.

+ +
+ Improvements and new features +

-

+ + + +
+ +
+ Fixed Bugs and Malfunctions + + + + +

Incorrect TimeTicks decode. Also bad handling of + invalid encode (value outside of value range) for both + TimeTicks and Unsigned32.

+

Own Id: OTP-10132

+ + + + +
+ +
+ Incompatibilities +

-

+
+ +
+ +
SNMP Development Toolkit 4.22

Version 4.22 supports code replacement in runtime from/to diff --git a/lib/snmp/src/app/snmp.appup.src b/lib/snmp/src/app/snmp.appup.src index 8360d88c94..bfffd5810c 100644 --- a/lib/snmp/src/app/snmp.appup.src +++ b/lib/snmp/src/app/snmp.appup.src @@ -22,8 +22,15 @@ %% ----- U p g r a d e ------------------------------------------------------- [ + {"4.22", + [ + {load_module, snmp_pdus, soft_purge, soft_purge, []} + ] + }, {"4.21.7", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -50,6 +57,8 @@ }, {"4.21.6", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -76,6 +85,8 @@ }, {"4.21.5", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -107,6 +118,8 @@ }, {"4.21.4", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -141,6 +154,8 @@ }, {"4.21.3", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -175,6 +190,8 @@ }, {"4.21.2", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -211,6 +228,8 @@ }, {"4.21.1", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -248,6 +267,8 @@ }, {"4.21", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -288,8 +309,16 @@ %% ------D o w n g r a d e --------------------------------------------------- [ + {"4.22", + [ + {load_module, snmp_pdus, soft_purge, soft_purge, []} + ] + }, {"4.21.7", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + + {load_module, snmp_pdus, soft_purge, soft_purge, []}, {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -316,6 +345,8 @@ }, {"4.21.6", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -342,6 +373,8 @@ }, {"4.21.5", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -373,6 +406,8 @@ }, {"4.21.4", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -407,6 +442,8 @@ }, {"4.21.3", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -441,6 +478,8 @@ }, {"4.21.2", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -477,6 +516,8 @@ }, {"4.21.1", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, @@ -514,6 +555,8 @@ }, {"4.21", [ + {load_module, snmp_pdus, soft_purge, soft_purge, []}, + {load_module, snmp_config, soft_purge, soft_purge, []}, {load_module, snmp_conf, soft_purge, soft_purge, []}, {load_module, snmp_community_mib, soft_purge, soft_purge, [snmp_conf]}, diff --git a/lib/snmp/src/misc/snmp_pdus.erl b/lib/snmp/src/misc/snmp_pdus.erl index 0788d86b2d..e15be4a298 100644 --- a/lib/snmp/src/misc/snmp_pdus.erl +++ b/lib/snmp/src/misc/snmp_pdus.erl @@ -254,68 +254,87 @@ strip(0, _Tail) -> %%---------------------------------------------------------------------- %% Returns:{Type, Value} %%---------------------------------------------------------------------- + +%% OBJECT IDENTIFIER dec_value([6 | Bytes]) -> {Value, Rest} = dec_oid_notag(Bytes), {{'OBJECT IDENTIFIER', Value}, Rest}; dec_value([5,0 | T]) -> {{'NULL', 'NULL'}, T}; + +%% INTEGER dec_value([2 | Bytes]) -> {Value, Rest} = dec_integer_notag(Bytes), {{'INTEGER', Value}, Rest}; + +%% OCTET STRING dec_value([4 | Bytes]) -> {Value, Rest} = dec_oct_str_notag(Bytes), {{'OCTET STRING', Value}, Rest}; + +%% IpAddress dec_value([64 | Bytes]) -> {Value, Rest} = dec_oct_str_notag(Bytes), {{'IpAddress', Value}, Rest}; + +%% Counter32 dec_value([65 | Bytes]) -> %% Counter32 is an unsigned 32 but is actually encoded as %% a signed integer 32 (INTEGER). {Value, Rest} = dec_integer_notag(Bytes), Value2 = - if - (Value >= 0) andalso (Value =< 16#ffffffff) -> - %% We accept value above 16#7fffffff - %% in order to be backward bug-compatible - Value; - (Value < 0) -> - 16#ffffffff + Value + 1; - true -> - exit({error, {bad_counter32, Value}}) - end, + if + (Value >= 0) andalso (Value =< 16#ffffffff) -> + %% We accept value above 16#7fffffff + %% in order to be backward bug-compatible + Value; + (Value < 0) -> + 16#ffffffff + Value + 1; + true -> + exit({error, {bad_counter32, Value}}) + end, {{'Counter32', Value2}, Rest}; + +%% Unsigned32 dec_value([66 | Bytes]) -> {Value, Rest} = dec_integer_notag(Bytes), if - (Value >= 0) andalso (Value =< 4294967295) -> - {{'Unsigned32', Value}, Rest}; - true -> - exit({error, {bad_unsigned32, Value}}) + (Value >= 0) andalso (Value =< 16#ffffffff) -> + {{'Unsigned32', Value}, Rest}; + true -> + exit({error, {bad_unsigned32, Value}}) end; + +%% TimeTicks dec_value([67 | Bytes]) -> {Value, Rest} = dec_integer_notag(Bytes), - if - (Value >= 0) andalso (Value =< 4294967295) -> + if + (Value >= 0) andalso (Value =< 16#ffffffff) -> {{'TimeTicks', Value}, Rest}; true -> exit({error, {bad_timeticks, Value}}) end; + +%% Opaque dec_value([68 | Bytes]) -> {Value, Rest} = dec_oct_str_notag(Bytes), {{'Opaque', Value}, Rest}; + +%% Counter64 dec_value([70 | Bytes]) -> %% Counter64 is an unsigned 64 but is actually encoded as %% a signed integer 64. {Value, Rest} = dec_integer_notag(Bytes), Value2 = - if - (Value >= 0) andalso (Value < 16#8000000000000000) -> - Value; - (Value < 0) -> - 18446744073709551615 + Value + 1; - true -> - exit({error, {bad_counter64, Value}}) end, + if + (Value >= 0) andalso (Value < 16#8000000000000000) -> + Value; + (Value < 0) -> + 16#ffffffffffffffff + Value + 1; + true -> + exit({error, {bad_counter64, Value}}) end, {{'Counter64', Value2}, Rest}; + dec_value([128,0|T]) -> {{'NULL', noSuchObject}, T}; dec_value([129,0|T]) -> @@ -629,7 +648,7 @@ enc_VarBind_attributes(#varbind{oid = Oid, variabletype = Type,value = Val}) -> ValueBytes = enc_value(Type, Val), lists:append(OidBytes, ValueBytes). -enc_value('INTEGER',Val) -> +enc_value('INTEGER', Val) -> enc_integer_tag(Val); enc_value('OCTET STRING', Val) -> enc_oct_str_tag(Val); @@ -637,7 +656,7 @@ enc_value('BITS', Val) -> enc_oct_str_tag(bits_to_str(Val)); enc_value('OBJECT IDENTIFIER', Val) -> enc_oid_tag(Val); -enc_value('IpAddress',Val) -> +enc_value('IpAddress', Val) -> Bytes2 = enc_oct_str_notag(Val), Len2 = elength(length(Bytes2)), lists:append([64 | Len2],Bytes2); @@ -668,6 +687,24 @@ enc_value('Counter32', Val) -> Bytes2 = enc_integer_notag(Val2), Len2 = elength(length(Bytes2)), lists:append([65 | Len2],Bytes2); +enc_value('Unsigned32', Val) -> + if + (Val >= 0) andalso (Val =< 4294967295) -> + Bytes2 = enc_integer_notag(Val), + Len2 = elength(length(Bytes2)), + lists:append([66 | Len2], Bytes2); + true -> + exit({error, {bad_counter32, Val}}) + end; +enc_value('TimeTicks', Val) -> + if + (Val >= 0) andalso (Val =< 4294967295) -> + Bytes2 = enc_integer_notag(Val), + Len2 = elength(length(Bytes2)), + lists:append([67 | Len2], Bytes2); + true -> + exit({error, {bad_timeticks, Val}}) + end; enc_value('Counter64', Val) -> Val2 = if @@ -682,18 +719,7 @@ enc_value('Counter64', Val) -> end, Bytes2 = enc_integer_notag(Val2), Len2 = elength(length(Bytes2)), - lists:append([70 | Len2],Bytes2); -enc_value(Type, Val) -> - Bytes2 = enc_integer_notag(Val), - Len2 = elength(length(Bytes2)), - lists:append([enc_val_tag(Type,Val) | Len2],Bytes2). - -enc_val_tag('Counter32',Val) when (Val >= 0) andalso (Val =< 4294967295) -> - 65; -enc_val_tag('Unsigned32', Val) when (Val >= 0) andalso (Val =< 4294967295) -> - 66; -enc_val_tag('TimeTicks', Val) when (Val >= 0) andalso (Val =< 4294967295) -> - 67. + lists:append([70 | Len2],Bytes2). %%---------------------------------------------------------------------- diff --git a/lib/snmp/test/snmp_pdus_test.erl b/lib/snmp/test/snmp_pdus_test.erl index 07b6d6b657..0d78749bcb 100644 --- a/lib/snmp/test/snmp_pdus_test.erl +++ b/lib/snmp/test/snmp_pdus_test.erl @@ -39,6 +39,7 @@ otp7575/1, otp8563/1, otp9022/1, + otp10132/1, init_per_testcase/2, end_per_testcase/2 ]). @@ -74,16 +75,16 @@ end_per_testcase(_Case, Config) when is_list(Config) -> %% Test case definitions %%====================================================================== all() -> -[{group, tickets}]. + [{group, tickets}]. groups() -> - [{tickets, [], [otp7575, otp8563, otp9022]}]. + [{tickets, [], [otp7575, otp8563, otp9022, otp10132]}]. init_per_group(_GroupName, Config) -> - Config. + Config. end_per_group(_GroupName, Config) -> - Config. + Config. @@ -94,7 +95,7 @@ end_per_group(_GroupName, Config) -> %%====================================================================== otp7575(suite) -> []; -otp7575(doc) -> ["OTP-7575"]; +otp7575(doc) -> ["OTP-7575 - Message version"]; otp7575(Config) when is_list(Config) -> io:format("attempt to decode message with valid version~n", []), MsgWithOkVersion = <<48,39,2,1,0,4,6,112,117,98,108,105,99,160,26,2,2,1,49,2,1,0,2,1,0,48,14,48,12,6,8,43,6,1,2,1,1,5,0,5,0>>, @@ -127,48 +128,55 @@ otp7575(Config) when is_list(Config) -> otp8563(suite) -> []; -otp8563(doc) -> ["OTP-8563"]; +otp8563(doc) -> ["OTP-8563 - Counter64"]; otp8563(Config) when is_list(Config) -> Val1 = 16#7fffffffffffffff, - io:format("try encode and decode ~w~n", [Val1]), + io:format("try encode and decode value 1: ~w (0x~.16b)~n", [Val1, Val1]), Enc1 = snmp_pdus:enc_value('Counter64', Val1), + io:format(" => ~w~n", [Enc1]), {{'Counter64', Val1}, []} = snmp_pdus:dec_value(Enc1), Val2 = Val1 + 1, - io:format("try encode and decode ~w~n", [Val2]), + io:format("try encode and decode value 2: ~w (0x~.16b)~n", [Val2, Val2]), Enc2 = snmp_pdus:enc_value('Counter64', Val2), + io:format(" => ~w~n", [Enc2]), {{'Counter64', Val2}, []} = snmp_pdus:dec_value(Enc2), Val3 = Val2 + 1, - io:format("try encode and decode ~w~n", [Val3]), + io:format("try encode and decode valule 3: ~w (0x~.16b)~n", [Val3, Val3]), Enc3 = snmp_pdus:enc_value('Counter64', Val3), + io:format(" => ~w~n", [Enc3]), {{'Counter64', Val3}, []} = snmp_pdus:dec_value(Enc3), Val4 = 16#fffffffffffffffe, - io:format("try encode and decode ~w~n", [Val4]), + io:format("try encode and decode value 4: ~w (0x~.16b)~n", [Val4, Val4]), Enc4 = snmp_pdus:enc_value('Counter64', Val4), + io:format(" => ~w~n", [Enc4]), {{'Counter64', Val4}, []} = snmp_pdus:dec_value(Enc4), Val5 = Val4 + 1, - io:format("try encode and decode ~w~n", [Val5]), + io:format("try encode and decode value 5: ~w (0x~.16b)~n", [Val5, Val5]), Enc5 = snmp_pdus:enc_value('Counter64', Val5), + io:format(" => ~w~n", [Enc5]), {{'Counter64', Val5}, []} = snmp_pdus:dec_value(Enc5), Val6 = 16#ffffffffffffffff + 1, - io:format("try and fail to encode ~w~n", [Val6]), + io:format("try and fail to encode value 6: ~w (0x~.16b)~n", [Val6, Val6]), case (catch snmp_pdus:enc_value('Counter64', Val6)) of {'EXIT', {error, {bad_counter64, Val6}}} -> ok; Unexpected6 -> + io:format(" => ~w~n", [Unexpected6]), exit({unexpected_encode_result, Unexpected6, Val6}) end, Val7 = -1, - io:format("try and fail to encode ~w~n", [Val7]), + io:format("try and fail to encode value 7: ~w~n", [Val7]), case (catch snmp_pdus:enc_value('Counter64', Val7)) of {'EXIT', {error, {bad_counter64, Val7}}} -> ok; Unexpected7 -> + io:format(" => ~w~n", [Unexpected7]), exit({unexpected_encode_result, Unexpected7, Val7}) end, @@ -176,51 +184,151 @@ otp8563(Config) when is_list(Config) -> otp9022(suite) -> []; -otp9022(doc) -> ["OTP-9022"]; +otp9022(doc) -> ["OTP-9022 - Counter32"]; otp9022(Config) when is_list(Config) -> - Val1 = 16#7fffffff, - io:format("try encode and decode ~w~n", [Val1]), + Val0 = 2908389204, + io:format("try encode and decode value 0: ~w (0x~.16b)~n", [Val0, Val0]), + Enc0 = snmp_pdus:enc_value('Counter32', Val0), + io:format(" => ~w~n", [Enc0]), + {{'Counter32', Val0}, []} = snmp_pdus:dec_value(Enc0), + + Val1 = 0, + io:format("try encode and decode value 1: ~w (0x~.16b)~n", [Val1, Val1]), Enc1 = snmp_pdus:enc_value('Counter32', Val1), + io:format(" => ~w~n", [Enc1]), {{'Counter32', Val1}, []} = snmp_pdus:dec_value(Enc1), Val2 = Val1 + 1, - io:format("try encode and decode ~w~n", [Val2]), + io:format("try encode and decode value 2: ~w (0x~.16b)~n", [Val2, Val2]), Enc2 = snmp_pdus:enc_value('Counter32', Val2), + io:format(" => ~w~n", [Enc2]), {{'Counter32', Val2}, []} = snmp_pdus:dec_value(Enc2), - Val3 = Val2 + 1, - io:format("try encode and decode ~w~n", [Val3]), + Val3 = 16#7ffffffe, + io:format("try encode and decode value 3: ~w (0x~.16b)~n", [Val3, Val3]), Enc3 = snmp_pdus:enc_value('Counter32', Val3), + io:format(" => ~w~n", [Enc3]), {{'Counter32', Val3}, []} = snmp_pdus:dec_value(Enc3), - Val4 = 16#fffffffe, - io:format("try encode and decode ~w~n", [Val4]), + Val4 = Val3 + 1, + io:format("try encode and decode value 4: ~w (0x~.16b)~n", [Val4, Val4]), Enc4 = snmp_pdus:enc_value('Counter32', Val4), + io:format(" => ~w~n", [Enc4]), {{'Counter32', Val4}, []} = snmp_pdus:dec_value(Enc4), Val5 = Val4 + 1, - io:format("try encode and decode ~w~n", [Val5]), + io:format("try encode and decode value 5: ~w (0x~.16b)~n", [Val5, Val5]), Enc5 = snmp_pdus:enc_value('Counter32', Val5), + io:format(" => ~w~n", [Enc5]), {{'Counter32', Val5}, []} = snmp_pdus:dec_value(Enc5), - Val6 = 16#ffffffff + 1, - io:format("try and fail to encode ~w~n", [Val6]), - case (catch snmp_pdus:enc_value('Counter32', Val6)) of - {'EXIT', {error, {bad_counter32, Val6}}} -> + Val6 = 16#fffffffe, + io:format("try encode and decode value 6: ~w (0x~.16b)~n", [Val6, Val6]), + Enc6 = snmp_pdus:enc_value('Counter32', Val6), + io:format(" => ~w~n", [Enc6]), + {{'Counter32', Val6}, []} = snmp_pdus:dec_value(Enc6), + + Val7 = Val6 + 1, + io:format("try encode and decode value 7: ~w (0x~.16b)~n", [Val7, Val7]), + Enc7 = snmp_pdus:enc_value('Counter32', Val7), + io:format(" => ~w~n", [Enc7]), + {{'Counter32', Val7}, []} = snmp_pdus:dec_value(Enc7), + + Val8 = 16#ffffffff + 1, + io:format("try and fail to encode value 8: ~w (0x~.16b)~n", [Val8, Val8]), + case (catch snmp_pdus:enc_value('Counter32', Val8)) of + {'EXIT', {error, {bad_counter32, Val8}}} -> ok; - Unexpected6 -> - exit({unexpected_encode_result, Unexpected6, Val6}) + Unexpected8 -> + io:format(" => ~w~n", [Unexpected8]), + exit({unexpected_encode_result, Unexpected8, Val8}) end, - Val7 = -1, - io:format("try and fail to encode ~w~n", [Val7]), - case (catch snmp_pdus:enc_value('Counter32', Val7)) of - {'EXIT', {error, {bad_counter32, Val7}}} -> + Val9 = -1, + io:format("try and fail to encode value 9: ~w~n", [Val9]), + case (catch snmp_pdus:enc_value('Counter32', Val9)) of + {'EXIT', {error, {bad_counter32, Val9}}} -> ok; - Unexpected7 -> - exit({unexpected_encode_result, Unexpected7, Val7}) + Unexpected9 -> + io:format(" => ~w~n", [Unexpected9]), + exit({unexpected_encode_result, Unexpected9, Val9}) + end, + + ok. + + +otp10132(suite) -> []; +otp10132(doc) -> ["OTP-10132 - TimeTicks"]; +otp10132(Config) when is_list(Config) -> + Val0 = 2159001034, + io:format("try encode and decode value 0: ~w (0x~.16b)~n", [Val0, Val0]), + Enc0 = snmp_pdus:enc_value('TimeTicks', Val0), + io:format(" => ~w~n", [Enc0]), + {{'TimeTicks', Val0}, []} = snmp_pdus:dec_value(Enc0), + + Val1 = 0, + io:format("try encode and decode value 1: ~w (0x~.16b)~n", [Val1, Val1]), + Enc1 = snmp_pdus:enc_value('TimeTicks', Val1), + io:format(" => ~w~n", [Enc1]), + {{'TimeTicks', Val1}, []} = snmp_pdus:dec_value(Enc1), + + Val2 = Val1 + 1, + io:format("try encode and decode value 2: ~w (0x~.16b)~n", [Val2, Val2]), + Enc2 = snmp_pdus:enc_value('TimeTicks', Val2), + io:format(" => ~w~n", [Enc2]), + {{'TimeTicks', Val2}, []} = snmp_pdus:dec_value(Enc2), + + Val3 = 16#7ffffffe, + io:format("try encode and decode value 3: ~w (0x~.16b)~n", [Val3, Val3]), + Enc3 = snmp_pdus:enc_value('TimeTicks', Val3), + io:format(" => ~w~n", [Enc3]), + {{'TimeTicks', Val3}, []} = snmp_pdus:dec_value(Enc3), + + Val4 = Val3 + 1, + io:format("try encode and decode value 4: ~w (0x~.16b)~n", [Val4, Val4]), + Enc4 = snmp_pdus:enc_value('TimeTicks', Val4), + io:format(" => ~w~n", [Enc4]), + {{'TimeTicks', Val4}, []} = snmp_pdus:dec_value(Enc4), + + Val5 = Val4 + 1, + io:format("try encode and decode value 5: ~w (0x~.16b)~n", [Val5, Val5]), + Enc5 = snmp_pdus:enc_value('TimeTicks', Val5), + io:format(" => ~w~n", [Enc5]), + {{'TimeTicks', Val5}, []} = snmp_pdus:dec_value(Enc5), + + Val6 = 16#fffffffe, + io:format("try encode and decode value 6: ~w (0x~.16b)~n", [Val6, Val6]), + Enc6 = snmp_pdus:enc_value('TimeTicks', Val6), + io:format(" => ~w~n", [Enc6]), + {{'TimeTicks', Val6}, []} = snmp_pdus:dec_value(Enc6), + + Val7 = Val6 + 1, + io:format("try encode and decode value 7: ~w (0x~.16b)~n", [Val7, Val7]), + Enc7 = snmp_pdus:enc_value('TimeTicks', Val7), + io:format(" => ~w~n", [Enc7]), + {{'TimeTicks', Val7}, []} = snmp_pdus:dec_value(Enc7), + + Val8 = Val7 + 1, + io:format("try and fail to encode value 8: ~w (0x~.16b)~n", [Val8, Val8]), + case (catch snmp_pdus:enc_value('TimeTicks', Val8)) of + {'EXIT', {error, {bad_timeticks, Val8}}} -> + ok; + Unexpected8 -> + io:format(" => ~w~n", [Unexpected8]), + exit({unexpected_encode_result, Unexpected8, Val8}) end, + Val9 = -1, + io:format("try and fail to encode value 9: ~w~n", [Val9]), + case (catch snmp_pdus:enc_value('TimeTicks', Val9)) of + {'EXIT', {error, {bad_timeticks, Val9}}} -> + ok; + Unexpected9 -> + io:format(" => ~w~n", [Unexpected9]), + exit({unexpected_encode_result, Unexpected9, Val9}) + end, + + io:format("done~n", []), ok. diff --git a/lib/snmp/vsn.mk b/lib/snmp/vsn.mk index 36b9764bc8..b90dbe4eef 100644 --- a/lib/snmp/vsn.mk +++ b/lib/snmp/vsn.mk @@ -18,6 +18,6 @@ # %CopyrightEnd% APPLICATION = snmp -SNMP_VSN = 4.22 +SNMP_VSN = 4.22.1 PRE_VSN = APP_VSN = "$(APPLICATION)-$(SNMP_VSN)$(PRE_VSN)" -- cgit v1.2.3 From 3cdb7781aca3cfff24485f7a9dbe704a4824d5e1 Mon Sep 17 00:00:00 2001 From: Micael Karlberg Date: Mon, 13 Aug 2012 14:42:00 +0200 Subject: [snmp] Add bug compatible fixes to TimeTicks decode Add handling of incorrectly encoded TimeTicks and Unsigned32. --- lib/snmp/src/misc/snmp_pdus.erl | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) (limited to 'lib/snmp') diff --git a/lib/snmp/src/misc/snmp_pdus.erl b/lib/snmp/src/misc/snmp_pdus.erl index e15be4a298..5b8be90a71 100644 --- a/lib/snmp/src/misc/snmp_pdus.erl +++ b/lib/snmp/src/misc/snmp_pdus.erl @@ -298,22 +298,30 @@ dec_value([65 | Bytes]) -> %% Unsigned32 dec_value([66 | Bytes]) -> {Value, Rest} = dec_integer_notag(Bytes), - if - (Value >= 0) andalso (Value =< 16#ffffffff) -> - {{'Unsigned32', Value}, Rest}; - true -> - exit({error, {bad_unsigned32, Value}}) - end; + Value2 = + if + (Value >= 0) andalso (Value =< 16#ffffffff) -> + Value; + (Value < 0) -> + 16#ffffffff + Value + 1; + true -> + exit({error, {bad_unsigned32, Value}}) + end, + {{'Unsigned32', Value2}, Rest}; %% TimeTicks dec_value([67 | Bytes]) -> {Value, Rest} = dec_integer_notag(Bytes), - if - (Value >= 0) andalso (Value =< 16#ffffffff) -> - {{'TimeTicks', Value}, Rest}; + Value2 = + if + (Value >= 0) andalso (Value =< 16#ffffffff) -> + Value; + (Value < 0) -> + 16#ffffffff + Value + 1; true -> exit({error, {bad_timeticks, Value}}) - end; + end, + {{'TimeTicks', Value2}, Rest}; %% Opaque dec_value([68 | Bytes]) -> -- cgit v1.2.3