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54 Commits

Author SHA1 Message Date
lukem a1ea50ee45 * in_pcblookup_port(): deprecate INPLOOKUP_WILDCARD and flags in favour 
of a lookup_wildcard arg; simplifies the logic a bit.
* when assigning ephemeral ports in in_pcbbind(), always call
  in_pcblookup_port() with lookup_wildcard=1, so that ephemeral port
  allocation on sockets with SO_REUSEADDR set won't potentially bind to a
  port in use by something else (principle of least surprise).
 1998-10-05 14:33:14 +00:00
tls c4730d65cf Switch order of TNF and UCB copyrights so UCB copyright is first; this seems more appropriate since UCB wrote the original code, after all. 1998-09-30 21:52:24 +00:00
thorpej 47e9dcf841 Use the pool allocator for inpcbs. 1998-08-02 00:35:31 +00:00
pk 84840da908 in_pcballoc(): we can't afford to wait for memory. 1998-07-23 08:24:33 +00:00
tls 91de585d5f Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
tls c9934a9084 Change list of interface IP addresses to a hash. Improves performance on hosts with a large number of IP addresses significantly. 1998-02-13 18:21:38 +00:00
chs f64abc7b4c add flags arg to hashinit(), to pass to malloc(). 1998-02-07 02:44:44 +00:00
lukem c0e8ee54e9 * start from the top of the given ephemeral range and work down; 
results in reserved ephemeral ports starting at the top (as per
  current practice), and shouldn't have a negative effect on normal
  ephemeral ports...
* initialise inpt_lastlow in in_pcbinit
 1998-01-08 11:56:50 +00:00
lukem 1a63d90320 add missing ; ... 1998-01-08 00:32:39 +00:00
lukem c80b4400e5 add the following, derived from FreeBSD: 
* IP_PORTRANGE socket option, which controls how the ephemeral ports
  are allocated. it takes the following settings:
	IP_PORTRANGE_DEFAULT	use anonportmin (49152) -> anonportmax (65535)
	IP_PORTRANGE_HIGH	as IP_PORTRANGE_DEFAULT (retained for FreeBSD
				compat reasons, where these are separate)
	IP_PORTRANGE_LOW	use 600 -> 1023. only works if uid==0.
* in_pcb flag INP_ANONPORT. set if port was allocated ephmerally
 1998-01-07 22:51:22 +00:00
thorpej e5e283e02d Finishing merging 4.4BSD-Lite2 netinet. At this point, the only changes 
left were SCCS IDs and Copyright dates.
 1998-01-05 10:31:44 +00:00
lukem 1f8f74b669 enhance ephemeral port allocation code: 
* support sysctl net.inet.ip.anonportmin (lowest ephemeral port)
  and net.inet.ip.anonportmax (highest ephemeral port).
  these can't be set to >65535, < IPPORT_RESERVED (unless IPNOPRIVPORTS
  is defined), and anonportmin has to be < anonportmax.
* use a cleaner way of only cycling through the available set once;
  this will be useful for when a random allocation scheme is used
* define IPPORT_ANON{MIN,MAX} instead of IPPORT_USER{LOW,HIGH}
 1998-01-05 09:52:02 +00:00
lukem 0b57ba7265 as per the IANA assigned ports numbers document, use ports 
49152..65535 for ephemeral ports (instead of 1024..5000).
closes my [kern/4440], but with correct code :)
 1997-12-30 02:54:08 +00:00
mrg 3300e3e43e fix compile error when "options IPNOPROVPORTS" 1997-11-27 14:03:32 +00:00
thorpej ad1ef53725 Deal with a problem where ephemeral port shortage would case a PCB's 
local address to be set, causing all further attemps to bind that PCB
to fail.  From Koji Imada, PR #3857.
 1997-11-20 04:53:37 +00:00
matt 8c42ff649b Add support for returning maximum supported MTU when ip_output fails with 
EMSGSIZE.
 1997-10-14 00:52:39 +00:00
thorpej de572198ad Implement in_pcbrtentry() - return the route associated with a PCB. If 
one does not exist, attempt to allocate one.  This is mostly pulled from
tcp_input.c.
 1997-09-22 21:39:40 +00:00
thorpej efa8881dbe Pull SYN_cache_branch down into the main line. 1997-07-23 21:26:40 +00:00
mycroft a26a19aeda Return EAGAIN if binding with no specified port and the pool is empty. 1996-12-10 11:38:42 +00:00
christos 5545959d0b backout previous kprintf changes 1996-10-13 02:03:00 +00:00
christos 6d7ad25bea printf -> kprintf, sprintf -> ksprintf 1996-10-10 23:12:43 +00:00
mycroft 9bfa240a98 Hash unconnected PCBs. 1996-09-15 18:11:06 +00:00
mycroft 62a6cce9ca Add in_nullhost() and in_hosteq() macros, to hide some protocol 
details.  Also, fix a bug in TCP wrt SYN+URG packets.
 1996-09-09 14:51:07 +00:00
perry 94a217e163 Commit PR 2671, which adds an "IPNOPRIVPORTS" config option that turns 
off the code that normally only allows root to bind low TCP
ports. Useful on firewalls and such.
 1996-09-05 18:10:03 +00:00
thorpej 3ca11aa1ad Fix some DIAGNOSTIC printf() formats; ntohl() provides a 32-bit quantity, 
and should be printed with %x, not %lx.
 1996-08-14 03:46:44 +00:00
cgd 9764a289cd print result of ntohl/htonl as a long. (makes -Wformat work on the 
Alpha.)
 1996-07-10 18:13:35 +00:00
mycroft 49d52c9b1c Pass a proc pointer down to the usrreq and pcbbind functions for PRU_ATTACH, PRU_BIND and 
PRU_CONTROL.  The usrreq interface really needs to be split up, but this will have to wait.
Remove SS_PRIV completely.
 1996-05-22 13:54:55 +00:00
mrg 32cdb91fa3 two more local addr changes, all done differently now (idea from charles) 1996-02-26 23:16:42 +00:00
mrg 86b9b4d6be if we are connecting *to* an address of any local interface, default the 
local address of the socket to the same address.
 1996-02-26 08:25:47 +00:00
christos 14d9cd33af netinet prototypes 1996-02-13 23:40:59 +00:00
mycroft 67e78477db Build a hash table of PCBs. Hash function needs tweaking. 1996-01-31 03:49:23 +00:00
mycroft 873ed30f83 so_pcb should be a void *. 1995-08-17 02:57:20 +00:00
mycroft 5482957905 splnet --> splsoftnet 1995-08-12 23:59:09 +00:00
cgd f90cf78fba convert pcb lists to CIRCLEQs, so that the end can be looked at more 
easily, and so that the original (insque/remque) logic can be effectively
mimiced.  (This fixes a bug in the previous set of list changes.)
also (since terminator is no longer null) reinstate uninitted list checks,
but mark them XXX.
 1995-06-18 20:01:08 +00:00
mycroft cd7edee1ca in_pcbnotify*() don't return anything. 1995-06-12 06:49:55 +00:00
mycroft 22687aa834 Change in_pcbnotify*() to take an errno value. Make inetctlerrmap[] an 
array on ints, not u_chars.
 1995-06-12 06:46:34 +00:00
mycroft 6897f39ae9 Various cleanup, including: 
* Convert several data structures to use queue.h.
* Split in_pcbnotify() into two parts; one for notifying a specific PCB, and
one for notifying all PCBs for a particular foreign address.
 1995-06-12 00:46:47 +00:00
mycroft 51a0da73db Remove one more bogus cast. 1995-06-04 06:03:53 +00:00
mycroft 41703012d6 Don't cast things unnecessarily. 1995-06-04 05:58:20 +00:00
mycroft 0a99592372 Clean up many more casts. 1995-06-04 05:06:49 +00:00
mycroft eb216fd6c2 Avoid byte-swapping IP addresses at run time. 1995-06-01 21:35:34 +00:00
cgd b5b72d26ea be a bit more careful and explicit with types. (basically a large no-op.) 1995-04-13 06:25:36 +00:00
deraadt d6bfeb6b71 failure to bind to a reserved port should return EACCES not EPERM. 1994-09-29 02:31:35 +00:00
cgd cf92afd66e New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD' 1994-06-29 06:29:24 +00:00
mycroft 07b4f2ab54 Update to 4.4-Lite networking code, with a few local changes. 1994-05-13 06:02:48 +00:00
hpeyerl d7038296be Multicast is no longer optional. 1994-02-02 05:58:50 +00:00
mycroft 4fe12e6e88 Fix some inconsistent spacing; spaces at the end of lines, etc. 1994-01-08 21:21:28 +00:00
mycroft 95b048b53a Canonicalize all #includes. 1993-12-18 00:40:47 +00:00
hpeyerl aa7f3b23a8 multicast support. 
>From Chris Maeda, cmaeda@cs.washington.edu
These patches are derived from the IP Multicast patches for BSDI.
 1993-12-06 04:50:19 +00:00
deraadt bda8918483 The latest patch was hosed. There is some program that I used which 
left extra crud at the end of the file. I blame ftpd for not doing an
ftruncate().
 1993-06-11 09:12:21 +00:00