Commit Graph

219 Commits

Author SHA1 Message Date
Guy Harris 4a5538085f Get rid of NullTVB, the "compat_top_tvb" member of the "packet_info"
structure, the check for a null tvbuff pointer in "alloc_field_info()",
and the "tvb_create_from_top()" macro; they're no longer needed, as
there's no non-tvbuffified dissector code remaining.

svn path=/trunk/; revision=4205
2001-11-15 10:58:51 +00:00
Gilbert Ramirez f14a6b8b91 Hopefully the last time I have to change my e-mail address.
svn path=/trunk/; revision=4199
2001-11-13 23:55:44 +00:00
Guy Harris 4b0bce7f97 Put "extern" in front of a pile of function declarations.
It makes no difference if they really are function declarations;
however, in plugins, when building on OSes that don't let
dynamically-loaded modules access functions in the main program (e.g.,
Windows), when compiling a plugin, <plugin_api.h> defines the names of
those functions as (*pointer_name), so they turn into declarations of
pointer variables pointing to the functions in question, and, on
platforms with a def/ref model in the linker, if a plugin has more than
one source file that gets linked into the plugin, the linker may get
upset at two definitions of the same variable.

svn path=/trunk/; revision=4114
2001-10-31 07:47:27 +00:00
Guy Harris 62d224011d Stop using "tvb_get_ntohll()" and "%llX" in the BOOTP dissector, as the
former depends on having "guint64" and the latter depends on
"%ll[douxX]" being what's used to print 64-bit integers, and there are
platforms on which Etheeal runs that don't have "guint64" or that don't
use "%ll[douxX]" to print 64-bit integers.

Get rid of the routines to extract 64-bit integers into "gint64"s and
"guint64"s, as per Ronnie Sahlberg's suggestion, to discourage people
from writing code that won't work on all platforms; they should be using
FT_UINT64, or the routines in "int-64bit.c", instead.

svn path=/trunk/; revision=4102
2001-10-29 21:56:50 +00:00
Gilbert Ramirez 038da8730a Fix some signed/unsigned comparison warnings. In the case of tvbuff.h,
there were 2 functions which accepted 'maxlength' == -1, but the function
prototypes had maxlength as a guint --- fixed.

svn path=/trunk/; revision=4087
2001-10-26 17:29:12 +00:00
Guy Harris db5e1b8c85 Tvbuffify the DNS, NBNS, NBDS, and NBSS dissectors.
Add a "tvb_memeql()" routine, for doing "memcmp()"-style equality
comparisons.

svn path=/trunk/; revision=3631
2001-07-02 07:11:40 +00:00
Guy Harris cce642c0f7 Fix a comment, and update Gerald's e-mail address.
svn path=/trunk/; revision=3471
2001-05-27 21:34:05 +00:00
Jeff Foster 395b68ea19 Changes required to support multiple named data sources.
Tvbuffers changed to added the data source name,
GUI and printing code changed to support these changes
and display the multiple hex views.

svn path=/trunk/; revision=3165
2001-03-23 14:44:04 +00:00
Gilbert Ramirez 5664e5887f Make tvb_get_ptr() return 'const guint8*', and clean up all the
usages of tvb_get_ptr(). packet-ieee80211.c still has one bad usage,
in which it *does* modify the tvbuff's data.

svn path=/trunk/; revision=3128
2001-03-13 21:34:28 +00:00
Guy Harris 11b24c6094 Tvbuffify the RIP and OSPF dissectors.
Change them to use facilities in Ethereal that were probably not present
when they were originally written, e.g. routines to fetch 24-bit
integers and to dump a bunch of raw bytes in hex.

Redo them to extract data from the packet as they dissect it, rather
than extracting an entire data structure at once; that way, it may be
able to dissect a structure not all of which is in the packet.

Dissect a bit more of the type-of-service metrics etc. in OSPF packets.

Make "tvb_length_remaining()" return a "gint", not a "guint"; it returns
-1 if the offset is past the end of the tvbuff.

Add a "tvb_reported_length_remaining()" routine, similar to
"tvb_length_remaining()".  Use it instead of just subtracting an offset
from "tvb_reported_length()".

svn path=/trunk/; revision=2787
2000-12-27 12:48:27 +00:00
Guy Harris d46aa3d576 Add a new "tvb_strsize()" routine, which finds the size of a
NUL-terminated string, starting at a given offset.  The size includes
the terminating NUL.  If it doesn't find the terminating NUL, it throws
the appropriate exception, as either there's no terminating NUL in the
packet or there is but it's past the end of the captured data in the
packet.

Use that routine in the TFTP dissector.  As it throws an exception if
the string isn't NUL-terminated, we can just use "%s" to print option
strings; we don't need to use "%.*s" with a string length.

svn path=/trunk/; revision=2783
2000-12-25 23:48:16 +00:00
Guy Harris c8196a1d1c Tvbuffify the IP, ICMP, TCP, UDP, OSI CLNP, OSI COTP, OSI CLTP, and OSI
ESIS dissectors.

Register the IP dissector and have dissectors that call it directly
(rather than through a port table) call it through a handle.

Add a routine "tvb_set_reported_length()" which a dissector can use if
it was handed a tvbuff that contains more data than is actually in its
part of the packet - for example, handing a padded Ethernet frame to IP;
the routine sets the reported length of the tvbuff (and also adjusts the
actual length, as appropriate).  Then use it in IP.

Given that, "ethertype()" can determine how much of the Ethernet frame
was actually part of an IP datagram (and can do the same for other
protocols under Ethernet that use "tvb_set_reported_length()"; have it
return the actual length, and have "dissect_eth()" and "dissect_vlan()"
use that to mark trailer data in Ethernet II frames as well as in 802.3
frames.

svn path=/trunk/; revision=2658
2000-11-18 10:38:33 +00:00
Gilbert Ramirez 29a2973984 Add tvb_set_child_real_data_tvbuff(), which allows you to tell the
tvbuff routines that a particular TVBUFF_REAL_DATA tvbuff is a "child"
of another tvbuff. This link is utilized during a tvb_free_chain(), so that
the child is freed when no longer necessary.

svn path=/trunk/; revision=2642
2000-11-14 04:33:34 +00:00
Guy Harris 99c98f9e74 Move "bytes_to_str()" to "strutil.c" from "packet.c" - it's just a
string formatter, like "format_text()", and, as "tvbuff.c" now calls it
(*vide infra*), we don't want to have to make "tvbuff.c" drag "packet.h"
in just to declare "bytes_to_str()".  It's now declared in "strutil.h",
so include it in modules that use "bytes_to_str()" and weren't already
including it.

Add a "tvb_bytes_to_str()" wrapper that calls "tvb_get_ptr()" to get a
pointer to a chunk of N bytes at a given offset in a tvbuff and then
hands that chunk to "bytes_to_str()".  Convert the code that was doing
that to use "tvb_bytes_to_str()" instead (which caught what I suspect is
a bug in the Q.2931 dissector, where it was handing an offset of 0 to
"tvb_get_ptr()" - a cut-and-pasteo, I think).

Tvbuffify the ARP dissector.

svn path=/trunk/; revision=2634
2000-11-13 07:19:37 +00:00
Guy Harris b9d2dd7151 Make the string-to-compare-with arguments to "tvb_strneql()" and
"tvb_strncaseeql()" "const guint8 *", so that you can pass them pointers
to "const".

svn path=/trunk/; revision=2611
2000-11-11 19:55:48 +00:00
Guy Harris b63646ecc0 Allow "tvb_find_guint8()", "tvb_pbrk_guint8()", and "tvb_strnlen()" to
take -1 as a "maxlength" value, meaning "to the end of the tvbuff".

svn path=/trunk/; revision=2598
2000-11-10 09:15:57 +00:00
Guy Harris 07eb30403d Tvbuffify the SAP and SDP dissectors.
Add "tvb_find_line_end_unquoted()" for the benefit of the SDP dissector;
get rid of "find_line_end_unquoted()" as nobody uses it any more.

Add "tvb_pbrk_guint8()" for the benefit of
"tvb_find_line_end_unquoted()"; it searches for any of a number of
characters, unlike "tvb_find_guint8()" which searches for only one.

svn path=/trunk/; revision=2595
2000-11-10 06:50:37 +00:00
Guy Harris 01a890cf95 Tvbuffify the HTTP, NNTP, RSH, RTSP, and Telnet dissectors.
Add "tvb_find_line_end()", to find a CR and/or LF-terminated line in a
tvbuff and return its length and the offset of the character after the
line end, for the use of those dissectors.

Add "tvb_strncaseeql()", which is like "tvb_strneql()" except that it
does a case-insensitive comparison.

svn path=/trunk/; revision=2590
2000-11-09 10:56:33 +00:00
Gilbert Ramirez 83ec54675c First step in moving core Ethereal routines to libepan.
svn path=/trunk/; revision=2458
2000-09-27 04:55:05 +00:00