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android / platform / packages / modules / DnsResolver / 870fd780
commit870fd780141080c987baa30fffc6db1e8da8e7d1[log] [tgz]
authorNingyuan Wang <ningyuan@google.com>Thu May 15 18:24:10 2025 +0900
committerNingyuan Wang <ningyuan@google.com>Mon May 19 13:47:50 2025 +0900
treeafcf98d657c2fc355f8cd759f6cc6a03bc8dc472
parentcd6bf8b192534b071c39edaa8a16535de1273efa [diff]
dns_proxy: UDP DNS forwarding

This CL implements the DNS query sending and reply back to client, with
some details left to be filled in later follow-up CLs.
To accomodate both test and production, android-specific FFIs are moved
behind "android-ffi" feature flag.

Flag: EXEMPT MAINLINE
Bug: 379992903
Test: m; cargo test --all-features
Change-Id: If6c06a56d397298a93c5c3d2ac3e72a7625d4ce5
6 files changed
tree: afcf98d657c2fc355f8cd759f6cc6a03bc8dc472
  1. aidl_api/
  2. apex/
  3. binder/
  4. dns_proxy/
  5. doh/
  6. include/
  7. libs/
  8. tests/
  9. .clang-format ⇨ ../../../build/soong/scripts/system-clang-format
  10. rustfmt.toml ⇨ ../../../build/soong/scripts/rustfmt.toml
  11. .editorconfig
  12. Android.bp
  13. cbindgen.toml
  14. Dns64Configuration.cpp
  15. Dns64Configuration.h
  16. DnsProxyListener.cpp
  17. DnsProxyListener.h
  18. DnsQueryLog.cpp
  19. DnsQueryLog.h
  20. DnsQueryLogTest.cpp
  21. DnsResolver.cpp
  22. DnsResolver.h
  23. DnsResolverService.cpp
  24. DnsResolverService.h
  25. DnsStats.cpp
  26. DnsStats.h
  27. DnsStatsTest.cpp
  28. DnsTlsDispatcher.cpp
  29. DnsTlsDispatcher.h
  30. DnsTlsQueryMap.cpp
  31. DnsTlsQueryMap.h
  32. DnsTlsServer.cpp
  33. DnsTlsServer.h
  34. DnsTlsSessionCache.cpp
  35. DnsTlsSessionCache.h
  36. DnsTlsSocket.cpp
  37. DnsTlsSocket.h
  38. DnsTlsSocketFactory.h
  39. DnsTlsTransport.cpp
  40. DnsTlsTransport.h
  41. doh.h
  42. Experiments.cpp
  43. Experiments.h
  44. ExperimentsTest.cpp
  45. getaddrinfo.cpp
  46. getaddrinfo.h
  47. gethnamaddr.cpp
  48. gethnamaddr.h
  49. hostent.h
  50. IDnsTlsSocket.h
  51. IDnsTlsSocketFactory.h
  52. IDnsTlsSocketObserver.h
  53. libnetd_resolv.map.txt
  54. LockedQueue.h
  55. NOTICE
  56. OperationLimiter.h
  57. OperationLimiterTest.cpp
  58. OWNERS
  59. params.h
  60. PREUPLOAD.cfg
  61. PrivateDnsCommon.h
  62. PrivateDnsConfiguration.cpp
  63. PrivateDnsConfiguration.h
  64. PrivateDnsConfigurationTest.cpp
  65. PrivateDnsValidationObserver.h
  66. README-DoT.md
  67. README.md
  68. res_cache.cpp
  69. res_comp.cpp
  70. res_comp.h
  71. res_debug.cpp
  72. res_debug.h
  73. res_mkquery.cpp
  74. res_query.cpp
  75. res_send.cpp
  76. res_send.h
  77. res_stats.cpp
  78. resolv_cache.h
  79. resolv_private.h
  80. resolv_test_config_template.xml
  81. resolv_test_config_without_root_template.xml
  82. resolv_test_default.map
  83. ResolverController.cpp
  84. ResolverController.h
  85. ResolverEventReporter.cpp
  86. ResolverEventReporter.h
  87. ResolverStats.h
  88. sethostent.cpp
  89. stats.h
  90. stats.proto
  91. TEST_MAPPING
  92. util.cpp
  93. util.h
README.md

Logging

This code uses LOG(X) for logging. Log levels are VERBOSE,DEBUG,INFO,WARNING and ERROR. The default setting is WARNING and logs relate to WARNING and ERROR will be shown. If you want to enable the DEBUG level logs, using following command. adb shell service call dnsresolver 10 i32 1 VERBOSE 0 DEBUG 1 INFO 2 WARNING 3 ERROR 4 Verbose resolver logs could contain PII -- do NOT enable in production builds.