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path: root/src/or/routerparse.c
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2013-01-02Wrangle curve25519 onion keys: generate, store, load, publish, republishNick Mathewson
Here we try to handle curve25519 onion keys from generating them, loading and storing them, publishing them in our descriptors, putting them in microdescriptors, and so on. This commit is untested and probably buggy like whoa
2012-11-23Minor documentation fixNick Mathewson
2012-11-14Fix a bug in policy_is_reject_star() that was making IPv4 exits breakNick Mathewson
IPv4-only exits have an implicit "reject [::]/0", which was making policy_is_reject_star() return 1 for them, making us refuse to do hostname lookups. This fix chanes policy_is_reject_star() to ask about which family we meant.
2012-11-14Parse IPv6 policy summaries from router descriptors and microdescsNick Mathewson
2012-11-14Better policy support for IPv6Nick Mathewson
Now, "accept *:80" means "accept all addresses on port 80", and not just IPv4. For just v4, say "accept *4:80"; for just v6 say "accept *6:80". We can parse these policies from torrc just fine, and we should be successfully keeping them out of descriptors for now. We also now include appropriate IPv6 addresses in "reject private:*"
2012-11-14Add a new family-specific syntax for tor_addr_parse_mask_portsNick Mathewson
By default, "*" means "All IPv4 addresses" with tor_addr_parse_mask_ports, so I won't break anything. But if the new EXTENDED_STAR flag is provided, then * means "any address", *4 means "any IPv4 address" (that is, 0.0.0.0/0), and "*6" means "any IPv6 address" (that is, [::]/0). This is going to let us have a syntax for specifying exit policies in torrc that won't drive people mad. Also, add a bunch of unit tests for tor_addr_parse_mask_ports to test these new features, and to increase coverage.
2012-11-08Merge remote-tracking branch 'origin/maint-0.2.3'Nick Mathewson
Conflicts: src/common/crypto.c src/or/rendservice.c
2012-11-08Add and use and unlikely-to-be-eliminated memwipe()Nick Mathewson
Apparently some compilers like to eliminate memset() operations on data that's about to go out-of-scope. I've gone with the safest possible replacement, which might be a bit slow. I don't think this is critical path in any way that will affect performance, but if it is, we can work on that in 0.2.4. Fixes bug 7352.
2012-10-15Move the circuit build timeout code into its own file.Nick Mathewson
2012-10-12Rename all reserved C identifiers we definedNick Mathewson
For everything we declare that starts with _, make it end with _ instead. This is a machine-generated patch. To make it, start by getting the list of reserved identifiers using: git ls-tree -r --name-only HEAD | grep '\.[ch]$' | \ xargs ctags --c-kinds=defglmpstuvx -o - | grep '^_' | \ cut -f 1 | sort| uniq You might need gnu ctags. Then pipe the output through this script: ============================== use strict; BEGIN { print "#!/usr/bin/perl -w -i -p\n\n"; } chomp; next if ( /^__attribute__/ or /^__func__/ or /^_FILE_OFFSET_BITS/ or /^_FORTIFY_SOURCE/ or /^_GNU_SOURCE/ or /^_WIN32/ or /^_DARWIN_UNLIMITED/ or /^_FILE_OFFSET_BITS/ or /^_LARGEFILE64_SOURCE/ or /^_LFS64_LARGEFILE/ or /^__cdecl/ or /^__attribute__/ or /^__func__/ or /^_WIN32_WINNT/); my $ident = $_; my $better = $ident; $better =~ s/^_//; $better = "${better}_"; print "s/(?<![A-Za-z0-9_])$ident(?![A-Za-z0-9_])/$better/g;\n"; ============================== Then run the resulting script on all the files you want to change. (That is, all the C except that in src/ext.) The resulting script was: ============================== s/(?<![A-Za-z0-9_])_address(?![A-Za-z0-9_])/address_/g; s/(?<![A-Za-z0-9_])_aes_fill_buf(?![A-Za-z0-9_])/aes_fill_buf_/g; s/(?<![A-Za-z0-9_])_AllowInvalid(?![A-Za-z0-9_])/AllowInvalid_/g; s/(?<![A-Za-z0-9_])_AP_CONN_STATE_MAX(?![A-Za-z0-9_])/AP_CONN_STATE_MAX_/g; s/(?<![A-Za-z0-9_])_AP_CONN_STATE_MIN(?![A-Za-z0-9_])/AP_CONN_STATE_MIN_/g; s/(?<![A-Za-z0-9_])_assert_cache_ok(?![A-Za-z0-9_])/assert_cache_ok_/g; s/(?<![A-Za-z0-9_])_A_UNKNOWN(?![A-Za-z0-9_])/A_UNKNOWN_/g; s/(?<![A-Za-z0-9_])_base(?![A-Za-z0-9_])/base_/g; s/(?<![A-Za-z0-9_])_BridgePassword_AuthDigest(?![A-Za-z0-9_])/BridgePassword_AuthDigest_/g; s/(?<![A-Za-z0-9_])_buffer_stats_compare_entries(?![A-Za-z0-9_])/buffer_stats_compare_entries_/g; s/(?<![A-Za-z0-9_])_chan_circid_entries_eq(?![A-Za-z0-9_])/chan_circid_entries_eq_/g; s/(?<![A-Za-z0-9_])_chan_circid_entry_hash(?![A-Za-z0-9_])/chan_circid_entry_hash_/g; s/(?<![A-Za-z0-9_])_check_no_tls_errors(?![A-Za-z0-9_])/check_no_tls_errors_/g; 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2012-09-17Merge remote-tracking branch 'public/bug6853'Nick Mathewson
2012-09-17Parse votes with >31 flags correctlyNick Mathewson
We were doing (1<<p) to generate a flag at position p, but we should have been doing (U64_LITERAL(1)<<p). Fixes bug 6861; bugfix on 0.2.0.3-alpha; reported pseudonymously.
2012-09-14document why we only allow 64 flags in votesNick Mathewson
2012-09-13Reject votes (not consensuses) with >64 known-flagsNick Mathewson
Our flag voting code needs to handle unrecognized flags, so it stores them in a 64-bit bitfield. But we never actually checked for too many flags, so we were potentially doing stuff like U64_LITERAL(1)<<flagnum with flagnum >= 64. That's undefined behavior. Fix for bug 6833; bugfix on 0.2.0.1-alpha.
2012-09-13Merge remote-tracking branch 'origin/maint-0.2.3'Nick Mathewson
2012-09-13Avoid undefined behaviour when parsing HS protocol versionsRobert Ransom
Fixes bug 6827; bugfix on c58675ca728f12b42f65e5b8964ae695c2e0ec2d (when the v2 HS desc parser was implemented). Found by asn.
2012-09-07Remove version_supports checks for versions before 0.2.2.Nick Mathewson
2012-09-04Merge branch 'bug5535_only_rebased'Nick Mathewson
2012-09-04Add IPv6 OR port to microdesc_t and populate it.Linus Nordberg
2012-09-04Have directory authorities vote on IPv6 OR ports according to the specLinus Nordberg
Define new new consensus method 14 adding "a" lines to vote and consensus documents. From proposal 186: As with other data in the vote derived from the descriptor, the consensus will include whichever set of "a" lines are given by the most authorities who voted for the descriptor digest that will be used for the router. This patch implements this.
2012-08-21Merge remote-tracking branch 'public/bug6404' into maint-0.2.3Nick Mathewson
2012-08-09Don't infer we have a FooPort from the presence of a FooPort lineNick Mathewson
Thanks to the changes we started making with SocksPort and friends in 0.2.3.3-alpha, any of our code that did "if (options->Sockport)" became wrong, since "SocksPort 0" would make that test true whereas using the default SocksPort value would make it false. (We didn't actually do "if (options->SockPort)" but we did have tests for TransPort. When we moved DirPort, ORPort, and ControlPort over to the same system in 0.2.3.9-alpha, the problem got worse, since our code is littered with checks for DirPort and ORPort as booleans. This code renames the current linelist-based FooPort options to FooPort_lines, and adds new FooPort_set options which get set at parse-and-validate time on the or_options_t. FooPort_set is true iff we will actually try to open a listener of the given type. (I renamed the FooPort options rather than leave them alone so that every previous user of a FooPort would need to get inspected, and so that any new code that forgetfully uses FooPort will need fail to compile.) Fix for bug 6507.
2012-08-03Merge remote-tracking branch 'origin/maint-0.2.2' into maint-0.2.3Nick Mathewson
2012-08-03Avoid possible segfault when handling networkstatus vote with bad flavorNick Mathewson
Fix for 6530; fix on 0.2.2.6-alpha.
2012-07-31Warn at parse time for routerstatus entry missing a microdesc consensusNick Mathewson
In 0.2.3.18-rc, we started warning on this case while building a list of missing microdescriptor digests. That turned out to spam the logs; instead let's warn at parse time. Partial fix for bug 6404.
2012-07-17Change all SMARTLIST_FOREACH loops of >=10 lines to use BEGIN/ENDNick Mathewson
The SMARTLIST_FOREACH macro is more convenient than BEGIN/END when you have a nice short loop body, but using it for long bodies makes your preprocessor tell the compiler that all the code is on the same line. That causes grief, since compiler warnings and debugger lines will all refer to that one line. So, here's a new style rule: SMARTLIST_FOREACH blocks need to be short.
2012-06-15Triage the XXX023 and XXX022 comments: postpone many.Nick Mathewson
2012-06-05Resolve about 24 DOCDOCsNick Mathewson
2012-06-04Update copyright dates to 2012; add a few missing copyright statementsNick Mathewson
2012-06-04Add about 60 more DOCDOC comments to 0.2.3Nick Mathewson
Also, try to resolve some doxygen issues. First, define a magic "This is doxygen!" macro so that we take the correct branch in various #if/#else/#endifs in order to get the right documentation. Second, add in a few grouping @{ and @} entries in order to get some variables and fields to get grouped together.
2012-06-04Resolve all currently pending DOCDOC items in masterNick Mathewson
2012-05-10Fix O(n^2) performance when parsing a big pile of extrainfosNick Mathewson
We were doing an O(n) strlen in router_get_extrainfo_hash() for every one we tried to parse. Instead, have router_get_extrainfo_hash() take the length of the extrainfo as an argument, so that when it's called from extrainfo_parse_from_string(), it doesn't do a strlen() over the whole pile of extrainfos.
2012-05-07Check more thoroughly for dups when parsing networkstatus parametersNick Mathewson
See changes file for details. Partial fix for bug 5786; fix on 0.2.2.2-alpha.
2012-04-19Make base64_decode in rend_parse_client_keys more foolproofNick Mathewson
In general, whenever we can, we should be doing base64_decode(buf, sizeof(buf), s, strlen(s)), and not base_64_decode(buf, expr1, s, expr2) where we hope that expr1 is a good name for the size of buf and expr2 is a good formula for the length of the base64 expression in s.
2012-04-19Merge remote-tracking branch 'origin/maint-0.2.2'Nick Mathewson
2012-04-18Fix a log-uninitialized-buffer bug.Nick Mathewson
Fix for 5647; bugfix on 0.2.1.5-alpha.
2012-03-30Fix comment typoRobert Ransom
2012-03-27Refactor the API for setting up a block cipher.Nick Mathewson
It allows us more flexibility on the backend if the user needs to specify the key and IV at setup time.
2012-02-12Fix a check-spaces complaintSebastian Hahn
2012-01-25Allow 0.2.3.x clients to use 0.2.2.x bridges.Roger Dingledine
Previously the client would ask the bridge for microdescriptors, which are only supported in 0.2.3.x and later, and then fail to bootstrap when it didn't get the answers it wanted. Fixes bug 4013; bugfix on 0.2.3.2-alpha. The fix here is to revert to using normal descriptors if any of our bridges are known to not support microdescs. This is not ideal, a) because we'll start downloading a microdesc consensus as soon as we get a bridge descriptor, and that will waste time if we later get a bridge descriptor that tells us we don't like microdescriptors; and b) by changing our mind we're leaking to our other bridges that we have an old-version bridge. The alternate fix would have been to change we_use_microdescriptors_for_circuits() to ask if *any* of our bridges can support microdescriptors, and then change the directory logic that picks a bridge to only select from those that do. For people living in the future, where 0.2.2.x is obsolete, there won't be a difference. Note that in either of these potential fixes, we have risk of oscillation if our one funny-looking bridges goes away / comes back.
2012-01-18Rename nonconformant identifiers.Nick Mathewson
Fixes bug 4893. These changes are pure mechanical, and were generated with this perl script: /usr/bin/perl -w -i.bak -p s/crypto_pk_env_t/crypto_pk_t/g; s/crypto_dh_env_t/crypto_dh_t/g; s/crypto_cipher_env_t/crypto_cipher_t/g; s/crypto_digest_env_t/crypto_digest_t/g; s/aes_free_cipher/aes_cipher_free/g; s/crypto_free_cipher_env/crypto_cipher_free/g; s/crypto_free_digest_env/crypto_digest_free/g; s/crypto_free_pk_env/crypto_pk_free/g; s/_crypto_dh_env_get_dh/_crypto_dh_get_dh/g; s/_crypto_new_pk_env_rsa/_crypto_new_pk_from_rsa/g; s/_crypto_pk_env_get_evp_pkey/_crypto_pk_get_evp_pkey/g; s/_crypto_pk_env_get_rsa/_crypto_pk_get_rsa/g; s/crypto_new_cipher_env/crypto_cipher_new/g; s/crypto_new_digest_env/crypto_digest_new/g; s/crypto_new_digest256_env/crypto_digest256_new/g; s/crypto_new_pk_env/crypto_pk_new/g; s/crypto_create_crypto_env/crypto_cipher_new/g; s/connection_create_listener/connection_listener_new/g; s/smartlist_create/smartlist_new/g; s/transport_create/transport_new/g;
2011-11-30Initial support for simplest use of prop186 or-address linesNick Mathewson
This lets a routerinfo_t have a single IPv6 or-address, and adds support for formatting and parsing those lines.
2011-11-07Merge remote-tracking branch 'origin/maint-0.2.2'Nick Mathewson
2011-11-07Merge remote-tracking branch 'origin/maint-0.2.1' into maint-0.2.2Nick Mathewson
2011-11-06Fix remotely triggerable assert during ip decryptionDan Rosenberg
Fixes bug 4410.
2011-10-27Merge branch 'maint-0.2.2_secfix' into master_secfixSebastian Hahn
Conflicts: src/common/tortls.c src/or/connection_or.c src/or/dirserv.c src/or/or.h
2011-10-26Make tor_version_same_series non-staticRobert Ransom
2011-10-11Stop using addr_port_lookup as an address splitting functionNick Mathewson
It's too risky to have a function where if you leave one parameter NULL, it splits up address:port strings, but if you set it, it does hostname resolution.
2011-10-11Fix names of functions that convert strings to addrsNick Mathewson
Now let's have "lookup" indicate that there can be a hostname resolution, and "parse" indicate that there wasn't. Previously, we had one "lookup" function that did resolution; four "parse" functions, half of which did resolution; and a "from_str()" function that didn't do resolution. That's confusing and error-prone! The code changes in this commit are exactly the result of this perl script, run under "perl -p -i.bak" : s/tor_addr_port_parse/tor_addr_port_lookup/g; s/parse_addr_port(?=[^_])/addr_port_lookup/g; s/tor_addr_from_str/tor_addr_parse/g; This patch leaves aton and pton alone: their naming convention and behavior is is determined by the sockets API. More renaming may be needed.
2011-09-09Merge remote-tracking branch 'origin/maint-0.2.2'Nick Mathewson
Conflicts: configure.in src/or/circuitbuild.c
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