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269 Commits

Author SHA1 Message Date
Andrew Bettison
8771a50b14 Fix TTL out-of-range bug 
Was causing two routing tests to fail since the TTL decrement
logic was fixed in a8b88a46

The default TTL of 64 overflowed the 5-bit unsigned int in the MDP
packet header
 2013-04-23 16:02:39 +09:30
Andrew Bettison
a8b88a462f Fix clang compiler warnings (revealed some bugs) 2013-04-12 17:16:50 +09:30
Jeremy Lakeman
af584994a2 Ensure encryption buffer doesn't move between nonce and cypher text allocation 2013-02-22 16:29:07 +10:30
Andrew Bettison
5ac6bd8834 Fix compile error on Linux 2013-02-22 12:06:21 +10:30
Jeremy Lakeman
bb8b3d6376 Add new mdp trace command 2013-02-20 16:18:58 +10:30
Jeremy Lakeman
10234018b0 Add interface name to route print output 2013-02-20 16:18:58 +10:30
gardners
2252fdcaa7 created tool for automatically finding IN()s without matching 
OUT()s or where return() is used instead of RETURN().
Added OUT() to end of all functions using IN() that lacked it to
make it easier to statically analyse this invariant.
Fixed several return instead of RETURNs detected through use of
this tool. #49
 2013-02-20 16:18:56 +10:30
gardners
2bbdd523f0 increase size for unix domain socket pathname from arbitrary 100 
to PATH_MAX to solve tests erroring out on OSX with long temporary
file names.
 2013-02-20 15:36:32 +10:30
Jeremy Lakeman
ba1800012e Only advertise BAR's on an alarm 
- we no longer hit the database for every outgoing packet, attempting to announce bundles
- we no longer advertise manifests periodically
- when an interesting bar arrives, we ask for the manifest to be announced, which uses the existing packet format
 2013-02-20 15:36:23 +10:30
Jeremy Lakeman
e9d283f3f6 Allow name to be missing 2013-01-17 11:45:45 +10:30
Jeremy Lakeman
82db15db5b Use any packet as a self-announce 
Stop sending OF_TYPE_SELFANNOUNCE
Deprecate OF_TYPE_DATA_VOICE
Tweak payload priorities
Don't allow client applications to send high priority payloads
 2012-12-16 10:09:29 +10:30
Andrew Bettison
7d970d8f92 Merge branch 'newconfig' into 'master' 2012-12-11 17:21:56 +10:30
Andrew Bettison
5985df751d Overhaul debug flags 
Replace debugflags_t and DEBUG_XXX bit masks with config schema "debug.xxx"
entries.

No more support for "debug.all".
 2012-12-11 15:59:46 +10:30
Jeremy Lakeman
7bf6beaf14 Throttle network scans some more 2012-12-11 13:31:26 +10:30
Jeremy Lakeman
2932544eb8 Add IPv4 addresses to dummy interface 2012-12-10 14:06:25 +10:30
Jeremy Lakeman
78aa01ad30 Add stun lookup messages 2012-12-10 14:05:57 +10:30
Jeremy Lakeman
f28e95b078 Don't scan broadcast address, limit network size 2012-12-06 10:42:34 +10:30
Jeremy Lakeman
3dfd64f4da Add manually triggered network scan command 2012-12-05 15:13:47 +10:30
Jeremy Lakeman
55cad42932 Make sure the buffer for cryptobox doesn't move 2012-12-04 16:19:50 +10:30
Jeremy Lakeman
5c7eb4a594 Add unicast probe packets 
Probe directory service instead of assuming that it is always reachable
Fix directory service and routing tests
 2012-12-04 14:47:57 +10:30
Jeremy Lakeman
2b21a691ca Merge remote-tracking branch 'origin/master' into packet_format 
Conflicts:
	constants.h
	packetformats.c
 2012-12-03 14:10:32 +10:30
Jeremy Lakeman
d5f78bcffe Rework reachable link flags for simpler bitmask tests 2012-11-30 14:38:09 +10:30
gardners
eb7524e068 factored out internal MDP services into a separate file, and made 
core case statement in that brief and clear.
 2012-11-30 11:48:00 +10:30
gardners
a665750f4c prepare and dispatch mdp frames for rhizome over mdp. 
still need to set bodies of frames, and schedule call backs,
and handle the requests when received.
 2012-11-29 21:08:11 +10:30
Jeremy Lakeman
053fa0d52f Reduce size of MDP port encoding 2012-11-28 15:45:14 +10:30
Jeremy Lakeman
f86176f3bd Reserve high nonce bit for future use 2012-11-28 15:45:14 +10:30
Jeremy Lakeman
383a63107f Use named constant for crypto_box_BOXZEROBYTES 2012-11-28 15:45:14 +10:30
Jeremy Lakeman
e0878644fe Add command to dump routing table 2012-11-28 15:43:58 +10:30
Jeremy Lakeman
a358d924d7 Remove type flag bits 2012-11-28 15:43:57 +10:30
Andrew Bettison
4450116472 Refactor string functions, add str_fromprint() 
Move lots of non-Serval-specific string functions from "serval.h"/dataformats.c
to "str.h"/str.c.

Add str_fromprint() function that reverses the effect of toprint(): interprets
escape sequences in the source string "\n\t\r\0\xHH\\" and replaces them with a
single char in the destination string.
 2012-11-07 16:42:45 +10:30
Jeremy Lakeman
f1b0374b97 Extract crypto signing primitives from mdp processing 2012-10-19 14:54:41 +10:30
Jeremy Lakeman
95843e1f20 Pass overlay frame into mdp processing 2012-10-19 10:40:03 +10:30
gardners
499c4018bf Imported ref10/ implementation of crypto_sign from supercop-20120525 
as recommended a while back by Dan Bernstein as offering the fastest
implementation of the crypto_sign() primitives for ARM.
Indeed this implementation IS faster. See comparison below for a
Rock 500 handset (800MHz(?) ARM6, no NEON):

Original ref/ implementation on an R500 stock rom (non-rooted)::
mean signature generation time = 96.80ms
mean signature verification time = 272.20ms

ref10/ implementations on an R500 stock rom (non-rooted):
mean signature generation time = 4.00ms
mean signature verification time = 13.00ms

Approximately 20x speed up, just like that :)
 2012-10-18 17:26:48 +10:30
Jeremy Lakeman
b22e3f1964 Add hop count to mdp ping 
- Allow mdp client to specify ttl
- Copy ttl into and out of overlay frame
 2012-10-10 16:22:31 +10:30
Jeremy Lakeman
1de2bc8f23 Fix replying to broadcast mdp ping 2012-10-09 17:03:17 +10:30
Jeremy Lakeman
1f379ea209 Add and preserve QOS bit flags in packet header 2012-10-09 16:17:07 +10:30
Jeremy Lakeman
e28deeb6d5 Move requested payload queue into frame structure 2012-10-09 15:44:37 +10:30
Andrew Bettison
3433b0fbb5 Move is_sid_broadcast() and is_sid_any() macros into serval.h 
From overlay_mdp.c.  is_sid_broadcast() was defined as is_broadcast().

Also clean up the signature and implementation of is_all_matching().
 2012-10-09 13:49:23 +10:30
Jeremy Lakeman
c47e99d097 Fix issue #23, regression in 'id' command 2012-10-08 14:59:58 +10:30
Andrew Bettison
89343c69cd Merge branch 'rhizomedirect' into 'master' 2012-10-05 17:45:30 +09:30
Jeremy Lakeman
48c9a7067e keyring_get_nm_bytes doesn't need to know about port numbers 2012-10-05 09:14:24 +09:30
Jeremy Lakeman
32cd46c165 Simplify id peers command, hide mdp implementation details from node info 2012-10-03 16:21:06 +09:30
Jeremy Lakeman
b72c01518b Move SAS key storage into subscriber structure 2012-10-03 13:59:46 +09:30
Jeremy Lakeman
fa7719fbe8 Write simple vomp console client 2012-09-28 15:23:50 +09:30
Jeremy Lakeman
2a7bd28e51 Extend packet queue to allow sending multiple copies of the same payload for reliability 2012-09-28 11:28:01 +09:30
Andrew Bettison
fb7c9e5633 Fix compiler warnings on Linux gcc 4.7.1 2012-09-27 11:02:58 +09:30
Jeremy Lakeman
222cb80ce7 Modify lookup uri format to distinguish between serval identities and gateway services 2012-09-21 15:17:56 +09:30
Jeremy Lakeman
0538e95be8 Reduce the potential for packet storms 2012-09-20 10:28:01 +09:30
Jeremy Lakeman
6d31aa52e7 Use the correct public key when a new keyring is created 2012-09-18 13:43:00 +09:30
Jeremy Lakeman
456bf3fdca Tidy up source port checking 2012-09-14 17:04:35 +09:30
Jeremy Lakeman
337d428f44 Reconstruct encryption / signature flags 2012-09-14 14:41:17 +09:30
Jeremy Lakeman
7b8885fd96 Rework mdp port bindings to use subscriber struct 2012-09-14 11:49:01 +09:30
Jeremy Lakeman
6483d9e0ae Split client mdp functions so they can be built separately 2012-09-14 11:47:48 +09:30
Jeremy Lakeman
fbe9980199 Add explicit flag for unicast peers 2012-09-10 10:55:12 +09:30
Jeremy Lakeman
f2bae4361e Improve logging and failure handling 2012-09-10 10:31:01 +09:30
Jeremy Lakeman
3cfcfb3728 Parse mdp payloads from the middle of a frame 2012-09-07 13:45:57 +09:30
Jeremy Lakeman
dc686ad10b Set incoming packet length 2012-09-07 11:34:00 +09:30
Paul Gardner-Stephen
bba6839656 Initial stab at porting to Solaris. 
It compiles without warning (with CC=gcc) but doesn't link
because NaCL doesn't build yet.
 2012-09-05 20:42:50 +09:30
Jeremy Lakeman
1f6607af14 Refactor to avoid returning a pointer to the stack 2012-09-01 12:17:22 +09:30
Jeremy Lakeman
e05806f25e Separate routing calculation from resulting rules, refactor more code to use subscriber structure 2012-08-31 15:11:18 +09:30
Jeremy Lakeman
df0e20408c Close sockets on poll errors 2012-08-31 15:04:06 +09:30
Jeremy Lakeman
f6c899e107 Refactor overlay buffer interface to support simple parsing 2012-08-31 15:03:07 +09:30
Jeremy Lakeman
aa5706f9d7 Refactor routing node information to use new subscriber tree 2012-08-31 15:03:07 +09:30
Jeremy Lakeman
58457a703d Refactor monitor port bindings 2012-08-14 14:37:16 +09:30
Andrew Bettison
eec8fb6e95 Improve SAS resolution debug messages 2012-08-14 14:06:59 +09:30
Jeremy Lakeman
3ab79d8e5b Pass phone numbers in vomp call initiation 2012-08-13 14:01:57 +09:30
Jeremy Lakeman
6981e7e2c2 Allow monitor clients to resolve did's 2012-08-10 15:29:19 +09:30
Andrew Bettison
12d8bc0c12 Use new typedef time_ms_t everywhere 2012-08-09 12:14:32 +09:30
Andrew Bettison
fd1da2df93 Fix bug that failed dnaprotocol multi-lookup test 2012-08-06 16:44:36 +09:30
Andrew Bettison
0c7c4e7296 Improve logging to help diagnose dnaprotocol test failure 
Replace printf() with DEBUGF() and INFOF()
Improve error message from overlay_mdp_sanitytest_sourceaddr()
 2012-08-02 17:16:18 +09:30
Andrew Bettison
240be25793 Replace overlay_gettime_ms() with gettime_ms() 2012-07-30 17:22:38 +09:30
Daniel O'Connor
fd1f91db8d Refactor unix domain socket naming to a separate file instead. 
Handle selection between normal & abstract sockets in a single place.

overlay_mdp.c tried to have both but this seems like a bug so I've removed the second socket (needs tests).
 2012-07-30 11:19:25 +09:30
Andrew Bettison
15d7bec680 Rewrite fprintf(stderr,...) to DEBUGF() 2012-07-27 18:04:46 +09:30
Andrew Bettison
04b95d2590 Merge branch 'andrew' into 'master' 2012-07-25 18:04:16 +09:30
Andrew Bettison
0e5c5e0e98 More work on dnahelper, almost done 
Servald starts DNA helper, receives startup ACK, sends requests, receives
responses, handles malformed helper responses, echoes dnahelper stderr lines to
log, sends MDP reply packet, waits for dead helper process, all asynchronously.
Shuts down helper process during servald shutdown.

Remaining issues:
 - Does not impose a timeout on helper responses.
 - Only the first URI is reported by the "dna lookup" command.
 2012-07-20 18:17:43 +09:30
Andrew Bettison
5aac5a3854 Unfinished dnahelper implementation 2012-07-18 19:16:30 +09:30
Jeremy Lakeman
1d53726b7b Merge remote-tracking branch 'origin/master' 
Conflicts:
	rhizome_fetch.c
	rhizome_http.c
	testframework.sh
 2012-07-17 15:39:55 +09:30
Jeremy Lakeman
ddba8033e4 Refactor packet envelope and sid abbreviation reading and writing 2012-07-17 15:30:50 +09:30
gardners
7c5c6b0826 work towards DNA helper interface. 2012-07-16 13:00:55 +09:30
Andrew Bettison
86eb482ed9 Replace macros with functions 
SET_NONBLOCKING(), SET_BLOCKING(), WRITE_STR() are now set_nonblock(),
set_block() and write_str() respectively, all of which log an error before
returning -1.  There are other useful methods: write_all() treats anything less
than all bytes written as an error; write_nonblock() treats EAGAIN and EINTR as
zero bytes written, and a combination: write_all_nonblock().
 2012-07-10 16:33:39 +09:30
Andrew Bettison
68ef34c119 Add 'id allpeers' command to facilitate testing 2012-07-04 12:06:15 +09:30
Andrew Bettison
a90c0156ed New DEBUG_MDPREQUESTS debug flag 
Use it to instrument the MDP_GETADDRS request, to investigate cause of
test 'dnaprotocol' fixture failure
 2012-07-04 10:32:38 +09:30
Andrew Bettison
72769e162b Replace overlay_render_sid_prefix() with alloca_tohex() 
To eliminate timebomb bugs caused by rotor wraparound
 2012-07-04 10:30:46 +09:30
Andrew Bettison
2c87039307 Replace overlay_render_sid() with alloca_tohex_sid() 
To eliminate timebomb bugs caused by rotor wraparound
 2012-07-03 17:59:30 +09:30
Andrew Bettison
b1c78f9fa3 Tighten up overlay socket initialisation and peer listing 2012-07-03 17:38:54 +09:30
gardners
02ca21a601 CHANGED DNA REPLY PACKET FORMAT BREAKING BACKWARDS COMPATIBILITY 
... as part of working on work on DNA helper callout facility.
(DNA replies now contain a token that can be used to match them
against DNA requests as a happy side-effect).
 2012-07-03 16:45:03 +09:30
Jeremy Lakeman
495de9e0ec Add more profiling instrumentation 2012-07-03 15:50:04 +09:30
Andrew Bettison
78a8aaca16 Code improvements while debugging 'dnaprotocol' tests 
Use ssize_t and size_t where required by system calls
More stringent checking of errors from system calls
Log the offset when writing to dummy interface file
Clean up many WHY/INFO/DEBUG statements
Convert many fprintf(stderr,...) to DEBUGF()
 2012-07-03 15:36:51 +09:30
Jeremy Lakeman
132d3a6f9b rename profiling structure 2012-07-02 16:04:00 +09:30
Jeremy Lakeman
e705696896 separate statistics gathering from the scheduler structure 2012-07-02 15:20:30 +09:30
Jeremy Lakeman
89566e4d3d Refactor how functions are scheduled or file handes are watched 2012-07-02 13:19:54 +09:30
Jeremy Lakeman
29cba17891 Fix rhizome transfers 2012-06-27 16:54:42 +09:30
Jeremy Lakeman
0ca4c16f39 Refactor node info to ignore stale responses without sending another request 2012-06-26 11:20:00 +09:30
gardners
c5d89a043d clean up debugging. 2012-06-26 09:25:42 +09:30
gardners
97cd8f5255 added code to time various servald functions and report periodic 
statistics.  Handles nested calls to correctly aportion call time
among children.
 2012-06-26 09:22:51 +09:30
gardners
b40a468276 Merge branch 'eventscheduler' 
Conflicts:
	monitor.c
	serval.h
 2012-06-25 16:50:23 +09:30
gardners
0c0e5b73e9 reduced debugging output. 2012-06-25 14:46:55 +09:30
Daniel O'Connor
3a606b7d91 Check the socket isn't too long before copying it to prevent a seg fault. 2012-06-25 14:01:50 +09:30
gardners
3b6a004cc9 new event scheduler almost working, but after a while can stop 
calling overlay_check_ticks alarm for some reason, which causes
queues to congest and bad things to generally happen.
 2012-06-22 17:30:21 +09:30
Daniel O'Connor
60512ad3e8 Fix build breakage. 2012-06-22 16:46:30 +09:30