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30 Commits

Author SHA1 Message Date
thorpej
cc22126721 Implement passing credentials as ancillary data on Unix domain sockets, 
enabled with the LOCAL_CREDS socket option on the listener.  Semantics are
similar to BSD/OS's:
- Creds are available with first data on SOCK_STREAM, and with every datagram
  on SOCK_DGRAM.
- It is not possible to forge credentials.

Different in that:
- Different credential data structure (ours does not rely on the format
  of internal kernel data structures, and does not pass the login name).
- We can pass creds and file descriptors at the same time (this does not
  work in BSD/OS).

Luke Mewburn <lukem@netbsd.org> gets credit for inspiring me to implement
this.  :-)
 1998-01-07 22:57:09 +00:00
thorpej
e918c058f1 Fix passing of multiple file descriptors (was broken when code was made 
64-bit safe).
 1998-01-07 04:03:38 +00:00
christos
3f60774556 PR/4280: Chris Jones: Sending more than one fd over AF_UNIX sockets causes 
panic. Bug in the fd -> struct file * conversion...
 1997-10-17 17:35:08 +00:00
thorpej
1351e629b3 Several small changes to eliminate kludginess in dealing with unix domain 
socket names:
- In unp_setsockaddr() and unp_setpeeraddr(), if the socket name can't
  fit into a single mbuf, allocate enough external storage space to
  hold it.
- In unp_bind() and unp_connect(), perform a similar operation, but allocate
  one extra byte, and ensure that the pathname is nul-terminated.
Many thanks to enami tsugutomo <enami@cv.sony.co.jp> for the sanity
checking.
 1997-06-26 06:06:40 +00:00
thorpej
a149ed59e4 Eliminate use of dtom() in the handing of UNIX domain sockets. Add an 
"unp_addrlen" member to the unpcb, and use it when copying the socket
name.  This eliminates that last uses of dtom() in the system.
 1997-06-24 19:12:53 +00:00
kleink
9827bd6dc6 When fstat(2)ing a file descriptor of a local communications domain socket, 
fill the socket's creation time into the stat structure's st_[acm]time fields:
POSIX requires this behavior for pipe(2). N.B.: updating the st_[am]time fields
when reading/writing the pipe is neither required nor implemented, though.
 1997-05-15 17:01:04 +00:00
cgd
319b64a8f7 Internalize and externalize file descriptors being passed via local domain 
socket control messages correctly, without assuming that sizeof(int) ==
sizeof(pointer).  Fixes PR#3183.
 1997-04-10 01:51:21 +00:00
mycroft
4c8302e0f4 Oops. Add missing label. 1996-05-23 17:07:03 +00:00
mycroft
8d0a82819c We can only get a control mbuf for PRU_SEND or PRU_SENDOOB. Add diagnostic 
code to panic in this case.
 1996-05-23 16:49:08 +00:00
mycroft
5288bfd58b Make sure the control and data mbufs are freed in all cases. 1996-05-23 16:41:49 +00:00
mycroft
03232fb1f2 Separate some code into separate functions. 
Make unp_addr be a pointer to the sockaddr, not to the mbuf, as with raw
sockets.
Other minor cleanup.
 1996-05-23 16:03:45 +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
christos
09afd77655 More proto fixes 1996-02-09 18:59:18 +00:00
pk
00acf2040e unp_detach() return type botch. 1996-02-04 20:32:15 +00:00
christos
e630447d8c First pass at prototyping 1996-02-04 02:17:43 +00:00
mycroft
873ed30f83 so_pcb should be a void *. 1995-08-17 02:57:20 +00:00
mycroft
0ecd5256ad Allocate PCBs with malloc(), more mgetclr(). Be more careful to free the 
PCB after it's done with.
 1995-08-16 00:29:50 +00:00
mycroft
bb85930bbe Add missing argument to closef(). 1995-04-05 21:26:40 +00:00
mycroft
a18ec3cb1b LEASE_CHECK -> VOP_LEASE 1994-12-13 21:52:35 +00:00
mycroft
2f710a54ee Convert process, file, and namei lists and hash tables to use queue.h. 1994-08-30 03:04:28 +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
699bbb84b6 Update to 4.4-Lite fs code. 1994-06-08 11:28:29 +00:00
mycroft
511a02415f Fix panic when closing a file descriptor on which access rights have been sent 
but not received.
 1994-05-04 09:50:11 +00:00
mycroft
7f50bd1829 Canonicalize all #includes. 1993-12-18 04:21:37 +00:00
mycroft
40222e846f Fix from Noriyuki Soda <soda@sra.co.jp>: 
recvmsg(2) always returns -1 with errno==EMSGSIZE, when trying
        to pass file descriptors through UNIX domain socket.
 1993-09-14 03:35:08 +00:00
andrew
0e6cb953ea ANSIfications - removed all implicit function return types and argument 
definitions.  Ensured that all files include "systm.h" to gain access to
general prototypes.  Casts where necessary.
 1993-06-27 06:01:27 +00:00
andrew
d790308a20 Yuval Yarom's 'panic:closef: count < 0' fix to unp_discard(). 1993-06-12 14:01:23 +00:00
cgd
fe1802950b add include of select.h if necessary for protos, or delete if extraneous 1993-05-22 11:40:42 +00:00
cgd
8d6c77881c make kernel select interface be one-stop shopping & clean it all up. 1993-05-18 18:18:40 +00:00
cgd
61f282557f initial import of 386bsd-0.1 sources 1993-03-21 09:45:37 +00:00