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for an SNMP trap PDU.
svn path=/trunk/; revision=2158
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svn path=/trunk/; revision=2157
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for SNMPv2") in SNMPv3 packets shouldn't cause the security parameters
to be interpreted as a character string - those values are apparently
not supposed to show up in packets - so we handle those values in the
default case, with the security parameters treated as opaque data.
svn path=/trunk/; revision=2124
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if the octet string is zero-length; if the octets are to be interpreted
as a character string, we have to check for a null pointer and replace
it with a pointer to a null string.
svn path=/trunk/; revision=2102
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string into it, and return a pointer to that buffer, rather than being
passed a buffer. This gets rid of some additional fixed-length string
buffers (and makes it more closely resemble the "format_oid()" in the
libsmi-based "packet-snmp.c" under development).
svn path=/trunk/; revision=2099
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string into it, and return a pointer to that buffer, rather than being
passed a buffer. This gets rid of some additional fixed-length string
buffers (and makes it more closely resemble the "format_oid()" in the
libsmi-based "packet-snmp.c" under development).
svn path=/trunk/; revision=2098
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allocate the buffer into which it formats the variable value, and return
that value. This
1) makes it more closely resemble the formatting routine in the
libsmi-based "packet-snmp.c" under development;
2) makes it less likely to overrun the buffer (we can't be
certain how long the string "sprint_value()" generates will
be, but we can make a reasonable guess as to the maximum size
based on the type and size of the object we're formatting).
When *not* using "-lsnmp", dynamically allocate the buffers into which
we format octet strings and OID values, based on the size of the object
we're formatting, so that we don't overrun the buffer.
svn path=/trunk/; revision=2091
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for example, larger octet string values.
svn path=/trunk/; revision=2089
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symbolically as full sequences, call "snmp_set_suffix_only(2)" to cause
them to be displayed symbolically as a module name and a name within
that module, as that might make it easier to find the RFC or whatever
that describes the object in question.
Don't just statically call it, though, on Linux, as that causes binaries
built on Red Hat releases prior to 6.2 to fail to run on 6.2, due to the
UCD SNMP 4.1.1 library used in RH 6.2 not being 100% binary-compatible
with the UCD SNMP libraries used in those prior releases. Instead, on
Linux, try to "dlopen()" the "libsnmp.so" library and, if that succeeds,
try to find "snmp_set_suffix_only()" in that library - if that succeeds,
call it, otherwise try to find "ds_set_int()" in that library and, if
*that* succeeds, call it with the arguments that, in UCD SNMP 4.1.1, the
"snmp_set_suffix_only()" macro passes to it.
svn path=/trunk/; revision=2077
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a particular type, rather than taking a varargs list, along the lines of
the "proto_tree_add_XXX_format()" routines.
Replace most calls to "proto_tree_add_item()" and
"proto_tree_add_item_hidden()" with calls to those routines.
Rename "proto_tree_add_item()" and "proto_tree_add_item_hidden()" to
"proto_tree_add_item_old()" and "proto_tree_add_item_hidden_old()", and
add new "proto_tree_add_item()" and "proto_tree_add_item_hidden()"
routines that don't take the item to be added as an argument - instead,
they fetch the argument from the packet whose tvbuff was handed to them,
from the offset handed to them.
svn path=/trunk/; revision=2031
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number, and have the protocols encapsulated inside IPX register
themselves with that table.
svn path=/trunk/; revision=2028
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"snmp_set_full_objid()" as a macro rather than a function - 4.1.2 has it
as a function again.
svn path=/trunk/; revision=1995
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SNMP, where we let the ATM code tell the SNMP dissector to call it
"ILMI"), so don't pass a protocol name string into "dissect_smux_pdu()",
just have "dissect_smux_pdu()" call it "SMUX".
svn path=/trunk/; revision=1983
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library.
svn path=/trunk/; revision=1964
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svn path=/trunk/; revision=1960
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Add exceptions routines.
Convert proto_tree_add_*() routines to require tvbuff_t* argument.
Convert all dissectors to pass NULL argument ("NullTVB" macro == NULL) as
the tvbuff_t* argument to proto_tree_add_*() routines.
dissect_packet() creates a tvbuff_t, wraps the next dissect call in
a TRY block, will print "Short Frame" on the proto_tree if a BoundsError
exception is caught.
The FDDI dissector is converted to use tvbuff's.
svn path=/trunk/; revision=1939
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platforms.
svn path=/trunk/; revision=1930
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sub-dissector table is not stored in the header_field_info struct, but
in a separate namespace. Dissector tables are now registered by name
and not by field ID. For example:
udp_dissector_table = register_dissector_table("udp.port");
Because of this different namespace, dissector tables can have names
that are not field names. This is useful for ethertype, since multiple
fields are "ethertypes".
packet-ethertype.c replaces ethertype.c (the name was changed so that it
would be named in the same fashion as all the filenames passed to make-reg-dotc)
Although it registers no protocol or field, it registers one dissector table:
ethertype_dissector_table = register_dissector_table("ethertype");
All protocols that can be called because of an ethertype field now register
that fact with dissector_add() calls.
In this way, one dissector_table services all ethertype fields
(hf_eth_type, hf_llc_type, hf_null_etype, hf_vlan_etype)
Furthermore, the code allows for names of protocols to exist in the
etype_vals, yet a dissector for that protocol doesn't exist. The name
of the dissector is printed in COL_INFO. You're welcome, Richard. :-)
svn path=/trunk/; revision=1848
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UDP and into the handoff registration routines for the protocols in
question.
Make the dissectors for those protocols static if they're not called
outside the dissector's source file.
Get rid of header files if all they did was declare dissectors that are
now static; remove declarations of now-static dissectors from header
files that do more than just declare the dissector.
svn path=/trunk/; revision=1823
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"non-repeaters" and "max-repetitions" rather than as "error status" and
"error index".
svn path=/trunk/; revision=1721
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Fix a comment.
svn path=/trunk/; revision=1720
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"ds_set_boolean()" with the first two arguments being DS_LIBRARY_ID and
DS_LIB_PRINT_FULL_OID; this means that, when building with 4.1[.x]
(which we assume is the case if "snmp_set_full_objid" is defined, we
need to include <ucd-snmp/default_store.h>, to define those two values
and to declare "ds_set_boolean()".
svn path=/trunk/; revision=1657
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svn path=/trunk/; revision=1437
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now, assume that if they lack that, they lack "sprint_value()".
svn path=/trunk/; revision=1326
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not have been supported in older versions of CMU SNMP. Instead, pick
our own names for the values, and define them appropriately for UCD and
CMU SNMP.
svn path=/trunk/; revision=1322
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way, it checks that the type of the variable matches the type it's
claimed to have in the MIB (and indicates if it isn't), it can decode
enumerated types, and it may also use the DISPLAY-HINT string in the
MIB.
Handle unknown types better.
svn path=/trunk/; revision=1293
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svn path=/trunk/; revision=1290
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MAX_STRING_LEN and use that.
svn path=/trunk/; revision=1286
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files you need for the MIB-related routines, so I'm including
<snmp/snmp.h>; unfortunately, that "helpfully" defines a pile of things
we later define, giving rise to a bunch of compiler complaints, so we
undefine them after including <snmp/snmp.h>.
svn path=/trunk/; revision=1285
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code, to dissect SNMP PDUs; use the SNMP library code only to translate
OIDs into strings.
Put into the ASN.1 code an annoying hack to cope with the fact that UCD
SNMP makes an OID out of "u_long"s whilst CMU SNMP makes it out of
"u_int"s - have the ASN.1 code make it out of "subid_t"s, and typedef
"subid_t" appropriately depending on the SNMP library you have.
Eventually, we should be able to use "libsmi" instead of a full-blown
SNMP library, and thus possibly work around various aggravations with
the SNMP libraries.
svn path=/trunk/; revision=1280
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there are no SNMP libraries to use in a real dissector; this means that
other dissectors don't have to care if there are SNMP libraries, they
can just call "dissect_snmp()" - and this also simplifies "Makefile.am"
and "configure.in" a bit, as they just treat "packet-snmp.c" and
"packet-snmp.h" the same way they treat other dissector source files.
svn path=/trunk/; revision=1214
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dissect ILMI packets with the SNMP dissector.
svn path=/trunk/; revision=1054
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dynamically-assigned "ett_" integer values, assigned by
"proto_register_subtree_array()"; this:
obviates the need to update "packet.h" whenever you add a new
subtree type - you only have to add a call to
"proto_register_subtree_array()" to a "register" routine and an
array of pointers to "ett_", if they're not already there, and
add a pointer to the new "ett_" variable to the array, if they
are there;
would allow run-time-loaded dissectors to allocate subtree types
when they're loaded.
svn path=/trunk/; revision=1043
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SNMP dissection is enabled or not, so that if "register.c" was generated
by scanning a list of files that include "packet-snmp.c" even though
SNMP dissection isn't enabled (the standard "Makefile.in" and
"configure" script won't cause that to happen, but source distributions
such as BSD ports may be set up to do that), and thus includes a call to
"proto_register_snmp()", that won't cause the link to fail.
svn path=/trunk/; revision=931
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make the equivalent fix to that code.
svn path=/trunk/; revision=927
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"asn_parse_header()" and "snmp_constr_parse()" don't actually modify the
data to which their first arguments point - if so, we have bigger
problems; I have no reason to believe they would modify it...).
svn path=/trunk/; revision=921
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not like #preprocessor_macros that do not start at
the first column.
So write:
#ifdef FOO
# include <dummy1.h>
# define DUMMY 1
#else
# include <dummy2.h>
# define DUMMY 2
#endif
instead of
#ifdef FOO
#include <dummy1.h>
#define DUMMY 1
#else
#include <dummy2.h>
#define DUMMY 2
#endif
svn path=/trunk/; revision=668
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svn path=/trunk/; revision=609
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dumps (probably because the SNMP libraries expect it to have been
called).
svn path=/trunk/; revision=533
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svn path=/trunk/; revision=403
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allowing users to filter on the existence of these protocols. I also
added packet-clip.c to the Nmake makefile.
svn path=/trunk/; revision=402
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mechanism that is built into ethereal. Wiretap is now used to read all
file formats. Libpcap is used only for capturing.
svn path=/trunk/; revision=342
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versions, PDU types, error statuses, and trap types to strings.
Set the protocol column to "SNMP", and set the info column to an error
message if the parse fails (rather than printing a message to the
standard error) and to the PDU type if it succeeds.
svn path=/trunk/; revision=305
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svn path=/trunk/; revision=289
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if you have the UCD or CMU SNMP library available. If you have the SNMP
library but do not with to have SNMP support, use the
./configure --disable-snmp
option. Otherwise 'configure' finds the SNMP library and uses it.
svn path=/trunk/; revision=281
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