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opnsense-src/sys/net
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Kyle Evans 291287667c tuntap(4): loosen up tunclose restrictions 
Realistically, this cannot work. We don't allow the tun to be opened twice,
so it must be done via fd passing, fork, dup, some mechanism like these.
Applications demonstrably do not enforce strict ordering when they're
handing off tun devices, so the parent closing before the child will easily
leave the tun/tap device in a bad state where it can't be destroyed and a
confused user because they did nothing wrong.

Concede that we can't leave the tun/tap device in this kind of state because
of software not playing the TUNSIFPID game, but it is still good to find and
fix this kind of thing to keep ifconfig(8) up-to-date and help ensure good
discipline in tun handling.

MFC after:	 3 days
2019-10-04 13:43:07 +00:00
..
altq Reduce the time it takes the kernel to install a new PF config containing a large number of queues 2019-02-11 05:17:31 +00:00
bpf.c Add an external mbuf buffer type that holds multiple unmapped pages. 2019-06-29 00:48:33 +00:00
bpf.h Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
bpf_buffer.c Add an external mbuf buffer type that holds multiple unmapped pages. 2019-06-29 00:48:33 +00:00
bpf_buffer.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf_filter.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_jitter.c Make UMA and malloc(9) return non-executable memory in most cases. 2018-06-13 17:04:41 +00:00
bpf_jitter.h Make UMA and malloc(9) return non-executable memory in most cases. 2018-06-13 17:04:41 +00:00
bpf_zerocopy.c Change synchonization rules for vm_page reference counting. 2019-09-09 21:32:42 +00:00
bpf_zerocopy.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpfdesc.h Rework locking in BPF code to remove rwlock from fast path. 2019-05-13 13:45:28 +00:00
bridgestp.c bridge: Fix panic if the STP root is removed 2019-03-15 11:21:20 +00:00
bridgestp.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
dlt.h Re-apply r190640. 2018-05-31 09:11:21 +00:00
ethernet.h Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
firewire.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ieee8023ad_lacp.c Add kernel-side support for in-kernel TLS. 2019-08-27 00:01:56 +00:00
ieee8023ad_lacp.h Add kernel-side support for in-kernel TLS. 2019-08-27 00:01:56 +00:00
ieee_oui.h Fix a typo in r349969 2019-07-14 03:49:48 +00:00
if.c Add debugging facility EPOCH_TRACE that checks that epochs entered are 2019-09-25 18:26:31 +00:00
if.h Add SIOCGIFDOWNREASON. 2019-09-17 18:49:13 +00:00
if_arp.h Improve ARP logging. 2019-03-09 01:12:59 +00:00
if_bridge.c if_bridge(4): Complete bpf auditing of local traffic over the bridge 2019-05-29 01:08:30 +00:00
if_bridgevar.h Allow different bridge types to coexist 2018-05-11 05:00:40 +00:00
if_clone.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
if_clone.h Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
if_dead.c This adds the third step in getting BBR into the tree. BBR and 2019-08-01 14:17:31 +00:00
if_debug.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_disc.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
if_dl.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_edsc.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
if_enc.c New pfil(9) KPI together with newborn pfil API and control utility. 2019-01-31 23:01:03 +00:00
if_enc.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_epair.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
if_ethersubr.c style(9): remove extraneous empty lines 2019-09-25 20:46:09 +00:00
if_fwsubr.c Improve copy-and-pasted versions of SIOCGIFADDR. 2018-03-27 20:51:49 +00:00
if_gif.c Add handling for appearing/disappearing of ingress addresses to if_gif(4). 2018-10-21 18:06:15 +00:00
if_gif.h Add handling for appearing/disappearing of ingress addresses to if_gif(4). 2018-10-21 18:06:15 +00:00
if_gre.c Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
if_gre.h Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
if_ipsec.c Allow configuration of several ipsec interfaces with the same tunnel 2018-11-16 14:21:57 +00:00
if_ipsec.h Merge projects/ipsec into head/. 2017-02-06 08:49:57 +00:00
if_lagg.c Add kernel-side support for in-kernel TLS. 2019-08-27 00:01:56 +00:00
if_lagg.h Select lacp egress ports based on NUMA domain 2019-05-03 14:43:21 +00:00
if_llatbl.c Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
if_llatbl.h Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
if_llc.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_loop.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
if_me.c Add the check that current VNET is ready and access to srchash is allowed. 2018-10-23 13:11:45 +00:00
if_media.c Finish removing FDDI and tokenring media support. 2018-04-23 21:10:33 +00:00
if_media.h if_media: Add new 2.5G/5G/25G/40G/50G/100G/200G/400G media types 2018-08-22 18:19:56 +00:00
if_mib.c These files were getting sys/malloc.h and vm/uma.h with header pollution 2016-02-01 17:41:21 +00:00
if_mib.h
if_pflog.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_pfsync.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_sppp.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
if_spppfr.c Mechanically convert to if_inc_counter(). 2014-09-19 10:39:58 +00:00
if_spppsubr.c Callout drain does not have to be followed by a callout stop call. 2019-09-10 14:33:07 +00:00
if_stf.c Do not perform DAD on stf(4) interfaces. 2019-03-30 18:00:44 +00:00
if_tap.h if_tuntap(4): Add TUNGIFNAME 2019-07-25 22:23:34 +00:00
if_tun.h if_tuntap(4): Add TUNGIFNAME 2019-07-25 22:23:34 +00:00
if_tuntap.c tuntap(4): loosen up tunclose restrictions 2019-10-04 13:43:07 +00:00
if_types.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_var.h Add kernel-side support for in-kernel TLS. 2019-08-27 00:01:56 +00:00
if_vlan.c style(9): remove extraneous empty lines 2019-09-25 20:46:09 +00:00
if_vlan_var.h Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
if_vxlan.c Allow set MTU more than 1500 bytes. 2019-07-24 16:10:20 +00:00
if_vxlan.h Add support for IPv6 scoped addresses to vxlan 2017-12-30 04:03:53 +00:00
ifdi_if.m iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
iflib.c Add IFLIB_SINGLE_IRQ_RX_ONLY. 2019-09-30 15:59:07 +00:00
iflib.h Add IFLIB_SINGLE_IRQ_RX_ONLY. 2019-09-30 15:59:07 +00:00
iflib_clone.c - Remove the unused ifc_link_irq and ifc_mtx_name members of struct iflib_ctx. 2019-05-06 20:56:41 +00:00
iflib_private.h - Replace unused and only ever written to members of public iflib(9) 2019-06-15 11:07:41 +00:00
ifq.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
mp_ring.c - Merge r338254 from cxgbe(4): 2019-05-09 11:34:46 +00:00
mp_ring.h mp_ring: avoid items offset difference between iflib and mp_ring 2019-01-03 23:06:05 +00:00
mppc.h ng_mppc(4): Bring netgraph(3) MPPC compression support. 2016-06-07 15:07:00 +00:00
mppcc.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
mppcd.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
netisr.c Restructure mbuf send tags to provide stronger guarantees. 2019-05-24 22:30:40 +00:00
netisr.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netisr_internal.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netmap.h netmap: import changes from upstream (SHA 137f537eae513) 2019-09-01 14:47:41 +00:00
netmap_legacy.h netmap: add support for multiple host rings 2019-03-18 12:22:23 +00:00
netmap_user.h netmap: import changes from upstream (SHA 137f537eae513) 2019-09-01 14:47:41 +00:00
netmap_virt.h netmap: align codebase to the current upstream (760279cfb2730a585) 2018-12-05 11:57:16 +00:00
paravirt.h Update to the current version of netmap. 2014-08-16 15:00:01 +00:00
pfil.c Most Ethernet drivers that potentially can run a pfil(9) hook with 2019-03-10 17:20:09 +00:00
pfil.h Most Ethernet drivers that potentially can run a pfil(9) hook with 2019-03-10 17:20:09 +00:00
pfkeyv2.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pfvar.h pf :Use counter(9) in pf tables. 2019-03-15 11:08:44 +00:00
ppp_defs.h Allow certain headers to be included more easily. 2013-05-21 21:20:10 +00:00
radix.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
radix.h Fix typo. 2018-06-16 19:21:09 +00:00
radix_mpath.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
radix_mpath.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_cb.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_cb.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_usrreq.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
rndis.h rndis: Add LINK_SPEED_CHANGE status 2017-07-24 03:59:50 +00:00
route.c Properly validte arguments for route deletion 2019-08-03 14:42:07 +00:00
route.h Existense of PCB route caching doesn't allow us to use new fast route 2019-05-08 23:39:24 +00:00
route_var.h Existense of PCB route caching doesn't allow us to use new fast route 2019-05-08 23:39:24 +00:00
rss_config.c rss: Remove never defined UDP_IPV4_EX 2017-10-11 06:08:01 +00:00
rss_config.h rss: Remove never defined UDP_IPV4_EX 2017-10-11 06:08:01 +00:00
rtsock.c Fix build for the platforms where db_expr_t is not long 2019-09-10 08:51:11 +00:00
sff8436.h Add SFF-8024 Extended Specification Compliance 2015-12-28 09:26:07 +00:00
sff8472.h net: Update SFF-8024 definitions and strings with values from rev 4.6 2019-08-17 00:10:56 +00:00
slcompress.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
slcompress.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
toeplitz.c Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +00:00
toeplitz.h Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +00:00
vnet.c With more excessive use of modules, more kernel parts working with 2018-10-30 20:45:15 +00:00
vnet.h [PowerPC64] Don't mark module data as static 2019-06-25 17:15:44 +00:00