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build: link against -lsocket if required for *ifaddrs #21486

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merged 3 commits into from
Mar 31, 2021

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@fanquake fanquake commented Mar 20, 2021

Fixes #21485 by linking against -lsocket when it's required for using *ifaddrs functions.

@fanquake fanquake force-pushed the use_freeifaddrs_only_when_available branch 2 times, most recently from 631b4e9 to f626d53 Compare March 26, 2021 05:18
@fanquake fanquake changed the title rand: only try and use freeifaddrs if it's available builds: link against -lsocket if required for *ifaddrs Mar 27, 2021
@fanquake fanquake changed the title builds: link against -lsocket if required for *ifaddrs build: link against -lsocket if required for *ifaddrs Mar 27, 2021
@fanquake fanquake force-pushed the use_freeifaddrs_only_when_available branch from f626d53 to 4783115 Compare March 29, 2021 03:10
@laanwj
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laanwj commented Mar 30, 2021

Code review ACK 4783115

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glozow commented Mar 31, 2021

It Works On My Machine ™

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@hebasto hebasto left a comment

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ACK 4783115, I have reviewed the code and it looks OK, I agree it can be merged.

Did not test it on Illumos/SmartOS.

The ./configure output diff:

 checking sys/resources.h presence... no
 checking for sys/resources.h... no
 checking whether getifaddrs is declared... yes
+checking whether ifaddrs funcs can be used without link library... yes
 checking whether freeifaddrs is declared... yes
+checking whether ifaddrs funcs can be used without link library... yes
 checking whether strnlen is declared... yes
 checking whether fork is declared... yes
 checking whether setsid is declared... yes

It seems we could have -lsocket twice in the LIBS :)

@fanquake fanquake merged commit b144620 into bitcoin:master Mar 31, 2021
sidhujag pushed a commit to syscoin/syscoin that referenced this pull request Mar 31, 2021
…addrs

4783115 net: add ifaddrs.h include (fanquake)
879215e build: check if -lsocket is required with *ifaddrs (fanquake)
87deac6 rand: only try and use freeifaddrs if available (fanquake)

Pull request description:

  Fixes bitcoin#21485 by linking against `-lsocket` when it's required for using `*ifaddrs` functions.

ACKs for top commit:
  laanwj:
    Code review ACK 4783115
  hebasto:
    ACK 4783115, I have reviewed the code and it looks OK, I agree it can be merged.

Tree-SHA512: 4542e036e9b029de970eff8a9230fe45d9204bb22313d075f474295d49bdaf1f1cbb36c0c6e2fa8dbbcdba518d8d3a68a6116ce304b82414315f333baf9af0e4
@fanquake fanquake deleted the use_freeifaddrs_only_when_available branch April 6, 2021 09:33
fanquake added a commit to fanquake/bitcoin that referenced this pull request Apr 6, 2021
fanquake added a commit to fanquake/bitcoin that referenced this pull request Apr 6, 2021
fanquake added a commit to fanquake/bitcoin that referenced this pull request Apr 6, 2021
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fanquake commented Apr 6, 2021

Being backported in #21616.

maflcko pushed a commit that referenced this pull request Apr 7, 2021
…addrs

1a9a2cb net: add ifaddrs.h include (fanquake)
f6896df build: check if -lsocket is required with *ifaddrs (fanquake)
e99d6d0 rand: only try and use freeifaddrs if available (fanquake)

Pull request description:

  Backports #21486 to the 0.21 branch. Related to #21485.

ACKs for top commit:
  MarcoFalke:
    cherry-pick-only ACK 1a9a2cb did not test or review 🚶

Tree-SHA512: 400dcf0f0bffa9b2c820403936b894969113a2bd82a32ae29d3fb73c4ef9ffafb55f5325fcc4929f6e685f8932be6f566f5dd2163ecf8a64b154b0c401109311
random-zebra added a commit to PIVX-Project/PIVX that referenced this pull request Apr 14, 2021
cecbf6c Use secure.h header for secure allocators (Fuzzbawls)
d9f67da net: add ifaddrs.h include (fanquake)
e906436 build: check if -lsocket is required with *ifaddrs (fanquake)
414f405 rand: only try and use freeifaddrs if available (fanquake)
3a039d6 build: avoid getifaddrs when unavailable (Cory Fields)
77bddd7 Use GetStrongRandBytes in gmp bignum initialization (Fuzzbawls)
b70b26f Fix typo in comment in randomenv.cpp (Fuzzbawls)
fec460c Put bounds on the number of CPUID leaves explored (Pieter Wuille)
41ab1ff Fix CPUID subleaf iteration (Pieter Wuille)
8a9bbb1 Move events_hasher into RNGState() (Pieter Wuille)
88c2ae5 random: mark RandAddPeriodic and SeedPeriodic as noexcept (fanquake)
81d382f doc: correct random.h docs after bitcoin#17270 (fanquake)
f363ea9 Seed RNG with precision timestamps on receipt of net messages. (Matt Corallo)
7d6ddcb Run background seeding periodically instead of unpredictably (Pieter Wuille)
4679181 Add information gathered through getauxval() (Pieter Wuille)
88d97d0 Feed CPUID data into RNG (Pieter Wuille)
8f5b9c9 Use sysctl for seeding on MacOS/BSD (Pieter Wuille)
67de246 Gather additional entropy from the environment (Pieter Wuille)
6142e1f Seed randomness with process id / thread id / various clocks (Pieter Wuille)
7bde8b7 [MOVEONLY] Move cpuid code from random to compat/cpuid (Fuzzbawls)
52b5336 [MOVEONLY] Move perfmon data gathering to new randomenv module (Pieter Wuille)
27cf995 doc: minor corrections in random.cpp (fanquake)
fccd2b8 doc: correct function name in ReportHardwareRand() (fanquake)
909473e Fix FreeBSD build by including utilstrencodings.h (Fuzzbawls)
630931f break circular dependency: random/sync -> util -> random/sync (Fuzzbawls)
5eed08c random: remove call to RAND_screen() (Windows only) (fanquake)
ada9868 gui: remove OpenSSL PRNG seeding (Windows, Qt only) (fanquake)
22a7121 Fix non-deterministic coverage of test DoS_mapOrphans (Fuzzbawls)
79e7fd3 Add ChaCha20 bench (Jonas Schnelli)
6966aa9 Add ChaCha20 encryption option (XOR) (Jonas Schnelli)
28c9cdb tests: Add script checking for deterministic line coverage (practicalswift)
c82e359 test: Make bloom tests deterministic (MarcoFalke)
7b33223 Document strenghtening (Pieter Wuille)
0190dec Add hash strengthening to the RNG (Pieter Wuille)
67e336d Use RdSeed when available, and reduce RdRand load (Pieter Wuille)
4ffda1f Document RNG design in random.h (Pieter Wuille)
2b6381e Use secure allocator for RNG state (Pieter Wuille)
080deb3 Encapsulate RNGState better (Pieter Wuille)
787d72f DRY: Implement GetRand using FastRandomContext::randrange (Pieter Wuille)
5bc2583 Sprinkle some sweet noexcepts over the RNG code (Pieter Wuille)
774899f Remove hwrand_initialized. (Pieter Wuille)
698d133 Switch all RNG code to the built-in PRNG. (Pieter Wuille)
038a45a Integrate util/system's CInit into RNGState (Fuzzbawls)
5f20e62 Abstract out seeding/extracting entropy into RNGState::MixExtract (Pieter Wuille)
298f97c Add thread safety annotations to RNG state (Pieter Wuille)
2326535 Rename some hardware RNG related functions (Pieter Wuille)
d76ee83 Automatically initialize RNG on first use. (Pieter Wuille)
1a5dbc5 Don't log RandAddSeedPerfmon details (Pieter Wuille)
32e6c42 Simplify testing RNG code (Fuzzbawls)
972effa Make unit tests use the insecure_rand_ctx exclusively (Fuzzbawls)
af52bf5 Use a FastRandomContext in LimitOrphanTxSize (Fuzzbawls)
746d466 Introduce a Shuffle for FastRandomContext and use it in wallet (Fuzzbawls)
1cdf124 Use a local FastRandomContext in a few more places in net (Fuzzbawls)
e862564 Make addrman use its local RNG exclusively (Fuzzbawls)
94b2ead Make FastRandomContext support standard C++11 RNG interface (Pieter Wuille)

Pull request description:

  This is a collection of upstream PRs that have been backported to bring our RNG (`src/random`) code more up-to-date. The following upstream PRs have been included here:

  - bitcoin#12742
  - bitcoin#14624
    - some of this had already been merged previously
  - bitcoin#14955
  - bitcoin#15250
  - bitcoin#15224
  - bitcoin#15324
  - bitcoin#15296
  - bitcoin#15512
  - bitcoin#16878
  - bitcoin#17151
  - bitcoin#17191
  - bitcoin#13236
  - bitcoin#13314
  - bitcoin#17169
  - bitcoin#17270
    -  omitted last commit as our testing framework doesn't support it currently
    - omitted bitcoin@64e1e02, to be pulled in after our time utility is updated in a separate PR
  - bitcoin#17573
  - bitcoin#17507
  - bitcoin#17670
  - bitcoin#17527
  - bitcoin#14127
  - bitcoin#21486

ACKs for top commit:
  furszy:
    ACK cecbf6c with a minor nit that can be easily tackled later.
  random-zebra:
    rebase utACK cecbf6c and merging...

Tree-SHA512: 3463b693cc9bddc1ec15228d264a794f5c2f159073fafa2ccf6e2563abfeb4369e49505f97ca84f2478ca792bd07b66d2cd83c58044d6a0cae6af42d22f5784b
PastaPastaPasta pushed a commit to PastaPastaPasta/dash that referenced this pull request Jul 17, 2022
…addrs

4783115 net: add ifaddrs.h include (fanquake)
879215e build: check if -lsocket is required with *ifaddrs (fanquake)
87deac6 rand: only try and use freeifaddrs if available (fanquake)

Pull request description:

  Fixes bitcoin#21485 by linking against `-lsocket` when it's required for using `*ifaddrs` functions.

ACKs for top commit:
  laanwj:
    Code review ACK 4783115
  hebasto:
    ACK 4783115, I have reviewed the code and it looks OK, I agree it can be merged.

Tree-SHA512: 4542e036e9b029de970eff8a9230fe45d9204bb22313d075f474295d49bdaf1f1cbb36c0c6e2fa8dbbcdba518d8d3a68a6116ce304b82414315f333baf9af0e4
@bitcoin bitcoin locked as resolved and limited conversation to collaborators Aug 18, 2022
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(v0.20.1) Not compiling on Illumos/SmartOS
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