arc4random.c

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Author Commit Date CI Message
Loganaden Velvindron afb7f483 2024-10-27T20:30:44 arc4: drop 4096 bytes of the early keystream (#1586) It might be safer to drop 4096 bytes to be on the safe side. See: twitter.com/nugxperience/status/1773906926503591970
Cœur 557990ca 2023-03-02T12:41:11 Optimize arc4random_uniform() (by syncing with OpenBSD implementation) 1. In d4de062, in Feb 2010, libevent adopted OpenBSD implementation of arc4random_uniform. 2. In https://github.com/openbsd/src/commit/728918cba93e0418bea2a73c9784f6b80c2a9dbd, in Jun 2012, OpenBSD improved their implementation to be faster, by changing arc4random_uniform() to calculate ``2**32 % upper_bound'' as ``-upper_bound % upper_bound''. Alternatively we can simply remove arc4random_uniform() since it is not used by libevent anyway, but let's just sync the header for now.
Srivatsan Iyer 7a18af8c 2022-11-15T12:38:41 Exclude arc4random_buf implementation if it's already present in the platform (#1375) This patch excludes definition of arc4random_buf on systems where it is already present. When the symbol is found, the macro EVENT__HAVE_ARC4RANDOM_BUF is set via CMake's configure_file(..). Co-authored-by: Azat Khuzhin <a3at.mail@gmail.com>
jackerli(李剑) b5b4c7fe 2022-09-28T16:41:59 fix: arc4_getword integer overflow, detected by -fsanitize=undefined
Keelan Cannoo bb41229f 2022-09-12T23:12:47 Make rekey interval less predictable (#1331)
Azat Khuzhin 86ae44ce 2021-04-27T09:03:42 Fix O_RDONLY (_O_RDONLY) under mingw O_RDONLY is defined only if [1]: !defined(NO_OLDNAMES) || defined(_POSIX) [1]: https://github.com/Alexpux/mingw-w64/blob/d0d7f784833bbb0b2d279310ddc6afb52fe47a46/mingw-w64-headers/crt/fcntl.h#L35
Gerry Garvey eb7bed03 2020-08-01T16:10:48 Convert from WinCrypt to Windows BCrypt Fixes: #1069
Gerry Garvey efa57159 2020-08-01T14:05:39 Handle return value from getrandom()
Azat Khuzhin 86f55b04 2019-09-03T00:34:35 arc4random: replace sysctl() with getrandom (on linux) Since sysctl() is deprecated for a long-long time, according to sysctl(2): Since Linux 2.6.24, uses of this system call result in warnings in the kernel log. Fixes: #890 Suggested-by: Pierce Lopez
yuangongji 7806f3ec 2019-07-03T00:27:22 Missing <winerror.h> on win7/MinGW(MINGW32_NT-6.1)/MSYS
Seong-Joong Kim 16a151df 2019-02-21T16:19:10 Remove needless check for arc4_seeded_ok
Seong-Joong Kim 493a1da9 2019-02-21T18:13:05 Add error-handling routine for arc4_seed()
Nick Mathewson 3807a30b 2013-08-19T10:05:14 Merge remote-tracking branch 'origin/patches-2.0' Conflicts: util-internal.h
Nick Mathewson f5ced88c 2013-08-19T09:52:29 Really remove RNG seeds from the stack
Nick Mathewson c149a1a5 2013-08-13T11:14:11 Merge remote-tracking branch 'origin/patches-2.0'
Nick Mathewson bb524712 2013-08-13T11:12:25 Oops; revert testing code
Nick Mathewson 9695e9c1 2013-08-13T10:59:27 Avoid other RNG initialization FS reads when urandom file is specified
Nick Mathewson f391b003 2013-08-06T17:29:34 Merge remote-tracking branch 'origin/patches-2.0' Conflicts: arc4random.c
Nick Mathewson 2bbb5d76 2013-08-06T17:06:23 Add evutil_secure_rng_set_urandom_device_file This experimental function is needed for some seccomp2 hackery to work, and should have no effect for systems that don't use it.
Nick Mathewson 0b05aa65 2013-06-10T10:47:28 Merge remote-tracking branch 'origin/patches-2.0'
Nick Mathewson e35b5408 2013-06-10T10:33:56 When we seed from /proc/sys/kernel/random/uuid, count it as success Found by Joseph Spadavecchia
Nick Mathewson 946b5841 2012-02-29T15:47:16 Clean up lingering _identifiers.
Nick Mathewson 8ac3c4c2 2012-02-29T15:07:33 Have all visible internal function names end with an underscore. We haven't had a convention for naming internal functions in -internal.h versus naming visible functions in include/**.h. This patch changes every function declared in a -internal.h file to be named ending with an underscore. Static function names are unaffected, since there's no risk of calling them from outside Libevent. This is an automatic conversion. The script that produced was made by running the following script over the output of ctags --c-kinds=pf -o - *-internal.h | cut -f 1 | sort| uniq (GNU ctags was required.) ===== #!/usr/bin/perl -w -n use strict; BEGIN { print "#!/usr/bin/perl -w -i -p\n\n"; } chomp; my $ident = $_; next if ($ident =~ /_$/); next if ($ident =~ /^TAILQ/); my $better = "${ident}_"; print "s/(?<![A-Za-z0-9_])$ident(?![A-Za-z0-9_])/$better/g;\n"; === And then running the script below that it generated over all === the .c and .h files again #!/usr/bin/perl -w -i -p s/(?<![A-Za-z0-9_])bufferevent_async_can_connect(?![A-Za-z0-9_])/bufferevent_async_can_connect_/g; s/(?<![A-Za-z0-9_])bufferevent_async_connect(?![A-Za-z0-9_])/bufferevent_async_connect_/g; s/(?<![A-Za-z0-9_])bufferevent_async_new(?![A-Za-z0-9_])/bufferevent_async_new_/g; s/(?<![A-Za-z0-9_])bufferevent_async_set_connected(?![A-Za-z0-9_])/bufferevent_async_set_connected_/g; s/(?<![A-Za-z0-9_])bufferevent_decref(?![A-Za-z0-9_])/bufferevent_decref_/g; s/(?<![A-Za-z0-9_])bufferevent_disable_hard(?![A-Za-z0-9_])/bufferevent_disable_hard_/g; s/(?<![A-Za-z0-9_])bufferevent_enable_locking(?![A-Za-z0-9_])/bufferevent_enable_locking_/g; s/(?<![A-Za-z0-9_])bufferevent_incref(?![A-Za-z0-9_])/bufferevent_incref_/g; s/(?<![A-Za-z0-9_])bufferevent_init_common(?![A-Za-z0-9_])/bufferevent_init_common_/g; s/(?<![A-Za-z0-9_])bufferevent_remove_from_rate_limit_group_internal(?![A-Za-z0-9_])/bufferevent_remove_from_rate_limit_group_internal_/g; s/(?<![A-Za-z0-9_])bufferevent_suspend_read(?![A-Za-z0-9_])/bufferevent_suspend_read_/g; s/(?<![A-Za-z0-9_])bufferevent_suspend_write(?![A-Za-z0-9_])/bufferevent_suspend_write_/g; s/(?<![A-Za-z0-9_])bufferevent_unsuspend_read(?![A-Za-z0-9_])/bufferevent_unsuspend_read_/g; s/(?<![A-Za-z0-9_])bufferevent_unsuspend_write(?![A-Za-z0-9_])/bufferevent_unsuspend_write_/g; s/(?<![A-Za-z0-9_])evbuffer_commit_read(?![A-Za-z0-9_])/evbuffer_commit_read_/g; s/(?<![A-Za-z0-9_])evbuffer_commit_write(?![A-Za-z0-9_])/evbuffer_commit_write_/g; s/(?<![A-Za-z0-9_])evbuffer_invoke_callbacks(?![A-Za-z0-9_])/evbuffer_invoke_callbacks_/g; s/(?<![A-Za-z0-9_])evbuffer_launch_read(?![A-Za-z0-9_])/evbuffer_launch_read_/g; s/(?<![A-Za-z0-9_])evbuffer_launch_write(?![A-Za-z0-9_])/evbuffer_launch_write_/g; s/(?<![A-Za-z0-9_])evbuffer_overlapped_new(?![A-Za-z0-9_])/evbuffer_overlapped_new_/g; s/(?<![A-Za-z0-9_])evbuffer_set_parent(?![A-Za-z0-9_])/evbuffer_set_parent_/g; s/(?<![A-Za-z0-9_])event_active_nolock(?![A-Za-z0-9_])/event_active_nolock_/g; s/(?<![A-Za-z0-9_])event_base_add_virtual(?![A-Za-z0-9_])/event_base_add_virtual_/g; s/(?<![A-Za-z0-9_])event_base_assert_ok(?![A-Za-z0-9_])/event_base_assert_ok_/g; s/(?<![A-Za-z0-9_])event_base_del_virtual(?![A-Za-z0-9_])/event_base_del_virtual_/g; s/(?<![A-Za-z0-9_])event_base_get_deferred_cb_queue(?![A-Za-z0-9_])/event_base_get_deferred_cb_queue_/g; s/(?<![A-Za-z0-9_])event_base_get_iocp(?![A-Za-z0-9_])/event_base_get_iocp_/g; s/(?<![A-Za-z0-9_])event_base_start_iocp(?![A-Za-z0-9_])/event_base_start_iocp_/g; s/(?<![A-Za-z0-9_])event_base_stop_iocp(?![A-Za-z0-9_])/event_base_stop_iocp_/g; s/(?<![A-Za-z0-9_])event_changelist_add(?![A-Za-z0-9_])/event_changelist_add_/g; s/(?<![A-Za-z0-9_])event_changelist_del(?![A-Za-z0-9_])/event_changelist_del_/g; s/(?<![A-Za-z0-9_])event_changelist_freemem(?![A-Za-z0-9_])/event_changelist_freemem_/g; s/(?<![A-Za-z0-9_])event_changelist_init(?![A-Za-z0-9_])/event_changelist_init_/g; s/(?<![A-Za-z0-9_])event_changelist_remove_all(?![A-Za-z0-9_])/event_changelist_remove_all_/g; s/(?<![A-Za-z0-9_])event_deferred_cb_cancel(?![A-Za-z0-9_])/event_deferred_cb_cancel_/g; s/(?<![A-Za-z0-9_])event_deferred_cb_init(?![A-Za-z0-9_])/event_deferred_cb_init_/g; s/(?<![A-Za-z0-9_])event_deferred_cb_queue_init(?![A-Za-z0-9_])/event_deferred_cb_queue_init_/g; s/(?<![A-Za-z0-9_])event_deferred_cb_schedule(?![A-Za-z0-9_])/event_deferred_cb_schedule_/g; s/(?<![A-Za-z0-9_])event_get_win32_extension_fns(?![A-Za-z0-9_])/event_get_win32_extension_fns_/g; s/(?<![A-Za-z0-9_])event_iocp_activate_overlapped(?![A-Za-z0-9_])/event_iocp_activate_overlapped_/g; s/(?<![A-Za-z0-9_])event_iocp_port_associate(?![A-Za-z0-9_])/event_iocp_port_associate_/g; s/(?<![A-Za-z0-9_])event_iocp_port_launch(?![A-Za-z0-9_])/event_iocp_port_launch_/g; s/(?<![A-Za-z0-9_])event_iocp_shutdown(?![A-Za-z0-9_])/event_iocp_shutdown_/g; s/(?<![A-Za-z0-9_])event_overlapped_init(?![A-Za-z0-9_])/event_overlapped_init_/g; s/(?<![A-Za-z0-9_])evhttp_connection_connect(?![A-Za-z0-9_])/evhttp_connection_connect_/g; s/(?<![A-Za-z0-9_])evhttp_connection_fail(?![A-Za-z0-9_])/evhttp_connection_fail_/g; s/(?<![A-Za-z0-9_])evhttp_connection_reset(?![A-Za-z0-9_])/evhttp_connection_reset_/g; s/(?<![A-Za-z0-9_])evhttp_parse_firstline(?![A-Za-z0-9_])/evhttp_parse_firstline_/g; s/(?<![A-Za-z0-9_])evhttp_parse_headers(?![A-Za-z0-9_])/evhttp_parse_headers_/g; s/(?<![A-Za-z0-9_])evhttp_response_code(?![A-Za-z0-9_])/evhttp_response_code_/g; s/(?<![A-Za-z0-9_])evhttp_send_page(?![A-Za-z0-9_])/evhttp_send_page_/g; s/(?<![A-Za-z0-9_])evhttp_start_read(?![A-Za-z0-9_])/evhttp_start_read_/g; s/(?<![A-Za-z0-9_])EVLOCK_TRY_LOCK(?![A-Za-z0-9_])/EVLOCK_TRY_LOCK_/g; s/(?<![A-Za-z0-9_])evmap_check_integrity(?![A-Za-z0-9_])/evmap_check_integrity_/g; s/(?<![A-Za-z0-9_])evmap_delete_all(?![A-Za-z0-9_])/evmap_delete_all_/g; s/(?<![A-Za-z0-9_])evmap_foreach_event(?![A-Za-z0-9_])/evmap_foreach_event_/g; s/(?<![A-Za-z0-9_])evmap_io_active(?![A-Za-z0-9_])/evmap_io_active_/g; s/(?<![A-Za-z0-9_])evmap_io_add(?![A-Za-z0-9_])/evmap_io_add_/g; s/(?<![A-Za-z0-9_])evmap_io_clear(?![A-Za-z0-9_])/evmap_io_clear_/g; s/(?<![A-Za-z0-9_])evmap_io_del(?![A-Za-z0-9_])/evmap_io_del_/g; s/(?<![A-Za-z0-9_])evmap_io_get_fdinfo(?![A-Za-z0-9_])/evmap_io_get_fdinfo_/g; s/(?<![A-Za-z0-9_])evmap_io_initmap(?![A-Za-z0-9_])/evmap_io_initmap_/g; s/(?<![A-Za-z0-9_])evmap_reinit(?![A-Za-z0-9_])/evmap_reinit_/g; s/(?<![A-Za-z0-9_])evmap_signal_active(?![A-Za-z0-9_])/evmap_signal_active_/g; s/(?<![A-Za-z0-9_])evmap_signal_add(?![A-Za-z0-9_])/evmap_signal_add_/g; s/(?<![A-Za-z0-9_])evmap_signal_clear(?![A-Za-z0-9_])/evmap_signal_clear_/g; s/(?<![A-Za-z0-9_])evmap_signal_del(?![A-Za-z0-9_])/evmap_signal_del_/g; s/(?<![A-Za-z0-9_])evmap_signal_initmap(?![A-Za-z0-9_])/evmap_signal_initmap_/g; s/(?<![A-Za-z0-9_])evrpc_hook_associate_meta(?![A-Za-z0-9_])/evrpc_hook_associate_meta_/g; s/(?<![A-Za-z0-9_])evrpc_hook_context_free(?![A-Za-z0-9_])/evrpc_hook_context_free_/g; s/(?<![A-Za-z0-9_])evrpc_hook_meta_new(?![A-Za-z0-9_])/evrpc_hook_meta_new_/g; s/(?<![A-Za-z0-9_])evrpc_reqstate_free(?![A-Za-z0-9_])/evrpc_reqstate_free_/g; s/(?<![A-Za-z0-9_])evsig_dealloc(?![A-Za-z0-9_])/evsig_dealloc_/g; s/(?<![A-Za-z0-9_])evsig_init(?![A-Za-z0-9_])/evsig_init_/g; s/(?<![A-Za-z0-9_])evsig_set_base(?![A-Za-z0-9_])/evsig_set_base_/g; s/(?<![A-Za-z0-9_])ev_token_bucket_get_tick(?![A-Za-z0-9_])/ev_token_bucket_get_tick_/g; s/(?<![A-Za-z0-9_])ev_token_bucket_init(?![A-Za-z0-9_])/ev_token_bucket_init_/g; s/(?<![A-Za-z0-9_])ev_token_bucket_update(?![A-Za-z0-9_])/ev_token_bucket_update_/g; s/(?<![A-Za-z0-9_])evutil_accept4(?![A-Za-z0-9_])/evutil_accept4_/g; s/(?<![A-Za-z0-9_])evutil_addrinfo_append(?![A-Za-z0-9_])/evutil_addrinfo_append_/g; s/(?<![A-Za-z0-9_])evutil_adjust_hints_for_addrconfig(?![A-Za-z0-9_])/evutil_adjust_hints_for_addrconfig_/g; s/(?<![A-Za-z0-9_])evutil_ersatz_socketpair(?![A-Za-z0-9_])/evutil_ersatz_socketpair_/g; s/(?<![A-Za-z0-9_])evutil_eventfd(?![A-Za-z0-9_])/evutil_eventfd_/g; s/(?<![A-Za-z0-9_])evutil_format_sockaddr_port(?![A-Za-z0-9_])/evutil_format_sockaddr_port_/g; s/(?<![A-Za-z0-9_])evutil_getaddrinfo_async(?![A-Za-z0-9_])/evutil_getaddrinfo_async_/g; s/(?<![A-Za-z0-9_])evutil_getaddrinfo_common(?![A-Za-z0-9_])/evutil_getaddrinfo_common_/g; s/(?<![A-Za-z0-9_])evutil_getenv(?![A-Za-z0-9_])/evutil_getenv_/g; s/(?<![A-Za-z0-9_])evutil_hex_char_to_int(?![A-Za-z0-9_])/evutil_hex_char_to_int_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISALNUM(?![A-Za-z0-9_])/EVUTIL_ISALNUM_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISALPHA(?![A-Za-z0-9_])/EVUTIL_ISALPHA_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISDIGIT(?![A-Za-z0-9_])/EVUTIL_ISDIGIT_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISLOWER(?![A-Za-z0-9_])/EVUTIL_ISLOWER_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISPRINT(?![A-Za-z0-9_])/EVUTIL_ISPRINT_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISSPACE(?![A-Za-z0-9_])/EVUTIL_ISSPACE_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISUPPER(?![A-Za-z0-9_])/EVUTIL_ISUPPER_/g; s/(?<![A-Za-z0-9_])EVUTIL_ISXDIGIT(?![A-Za-z0-9_])/EVUTIL_ISXDIGIT_/g; s/(?<![A-Za-z0-9_])evutil_load_windows_system_library(?![A-Za-z0-9_])/evutil_load_windows_system_library_/g; s/(?<![A-Za-z0-9_])evutil_make_internal_pipe(?![A-Za-z0-9_])/evutil_make_internal_pipe_/g; s/(?<![A-Za-z0-9_])evutil_new_addrinfo(?![A-Za-z0-9_])/evutil_new_addrinfo_/g; s/(?<![A-Za-z0-9_])evutil_open_closeonexec(?![A-Za-z0-9_])/evutil_open_closeonexec_/g; s/(?<![A-Za-z0-9_])evutil_read_file(?![A-Za-z0-9_])/evutil_read_file_/g; s/(?<![A-Za-z0-9_])evutil_resolve(?![A-Za-z0-9_])/evutil_resolve_/g; s/(?<![A-Za-z0-9_])evutil_set_evdns_getaddrinfo_fn(?![A-Za-z0-9_])/evutil_set_evdns_getaddrinfo_fn_/g; s/(?<![A-Za-z0-9_])evutil_sockaddr_is_loopback(?![A-Za-z0-9_])/evutil_sockaddr_is_loopback_/g; s/(?<![A-Za-z0-9_])evutil_socket(?![A-Za-z0-9_])/evutil_socket_/g; s/(?<![A-Za-z0-9_])evutil_socket_connect(?![A-Za-z0-9_])/evutil_socket_connect_/g; s/(?<![A-Za-z0-9_])evutil_socket_finished_connecting(?![A-Za-z0-9_])/evutil_socket_finished_connecting_/g; s/(?<![A-Za-z0-9_])EVUTIL_TOLOWER(?![A-Za-z0-9_])/EVUTIL_TOLOWER_/g; s/(?<![A-Za-z0-9_])EVUTIL_TOUPPER(?![A-Za-z0-9_])/EVUTIL_TOUPPER_/g; s/(?<![A-Za-z0-9_])evutil_tv_to_msec(?![A-Za-z0-9_])/evutil_tv_to_msec_/g; s/(?<![A-Za-z0-9_])evutil_usleep(?![A-Za-z0-9_])/evutil_usleep_/g; s/(?<![A-Za-z0-9_])ht_improve_hash(?![A-Za-z0-9_])/ht_improve_hash_/g; s/(?<![A-Za-z0-9_])ht_string_hash(?![A-Za-z0-9_])/ht_string_hash_/g; s/(?<![A-Za-z0-9_])min_heap_adjust(?![A-Za-z0-9_])/min_heap_adjust_/g; s/(?<![A-Za-z0-9_])min_heap_ctor(?![A-Za-z0-9_])/min_heap_ctor_/g; s/(?<![A-Za-z0-9_])min_heap_dtor(?![A-Za-z0-9_])/min_heap_dtor_/g; s/(?<![A-Za-z0-9_])min_heap_elem_init(?![A-Za-z0-9_])/min_heap_elem_init_/g; s/(?<![A-Za-z0-9_])min_heap_elt_is_top(?![A-Za-z0-9_])/min_heap_elt_is_top_/g; s/(?<![A-Za-z0-9_])min_heap_empty(?![A-Za-z0-9_])/min_heap_empty_/g; s/(?<![A-Za-z0-9_])min_heap_erase(?![A-Za-z0-9_])/min_heap_erase_/g; s/(?<![A-Za-z0-9_])min_heap_pop(?![A-Za-z0-9_])/min_heap_pop_/g; s/(?<![A-Za-z0-9_])min_heap_push(?![A-Za-z0-9_])/min_heap_push_/g; s/(?<![A-Za-z0-9_])min_heap_reserve(?![A-Za-z0-9_])/min_heap_reserve_/g; s/(?<![A-Za-z0-9_])min_heap_size(?![A-Za-z0-9_])/min_heap_size_/g; s/(?<![A-Za-z0-9_])min_heap_top(?![A-Za-z0-9_])/min_heap_top_/g;
Nick Mathewson cb9da0bf 2012-02-29T15:07:32 Fix all identifiers with names beginning with underscore. These are reserved in C. We'd been erroneously using them to indicate internal use. Instead, we now use a trailing underscore whenever we'd been using a leading underscore. This is an automatic conversion. The script that produced was made by running the following script over the output of git ls-tree -r --name-only HEAD | grep '\.[ch]$' | \ xargs ctags --c-kinds=defglmpstuvx -o - | grep '^_' | \ cut -f 1 | sort| uniq (GNU ctags was required.) ===== #!/usr/bin/perl -w -n use strict; BEGIN { print "#!/usr/bin/perl -w -i -p\n\n"; } chomp; next if (/^__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 /^_SYS_TREE_H_/); my $ident = $_; my $better = $ident; $better =~ s/^_//; if ($ident !~ /EVENT_LOG_/) { $better = "${better}_"; } print "s/(?<![A-Za-z0-9_])$ident(?![A-Za-z0-9_])/$better/g;\n"; === And then running the script below that it generated over all === the .c and .h files again #!/usr/bin/perl -w -i -p s/(?<![A-Za-z0-9_])_ARC4_LOCK(?![A-Za-z0-9_])/ARC4_LOCK_/g; s/(?<![A-Za-z0-9_])_ARC4_UNLOCK(?![A-Za-z0-9_])/ARC4_UNLOCK_/g; s/(?<![A-Za-z0-9_])_bev_group_random_element(?![A-Za-z0-9_])/bev_group_random_element_/g; s/(?<![A-Za-z0-9_])_bev_group_refill_callback(?![A-Za-z0-9_])/bev_group_refill_callback_/g; s/(?<![A-Za-z0-9_])_bev_group_suspend_reading(?![A-Za-z0-9_])/bev_group_suspend_reading_/g; s/(?<![A-Za-z0-9_])_bev_group_suspend_writing(?![A-Za-z0-9_])/bev_group_suspend_writing_/g; s/(?<![A-Za-z0-9_])_bev_group_unsuspend_reading(?![A-Za-z0-9_])/bev_group_unsuspend_reading_/g; s/(?<![A-Za-z0-9_])_bev_group_unsuspend_writing(?![A-Za-z0-9_])/bev_group_unsuspend_writing_/g; s/(?<![A-Za-z0-9_])_bev_refill_callback(?![A-Za-z0-9_])/bev_refill_callback_/g; s/(?<![A-Za-z0-9_])_bufferevent_add_event(?![A-Za-z0-9_])/bufferevent_add_event_/g; s/(?<![A-Za-z0-9_])_bufferevent_cancel_all(?![A-Za-z0-9_])/bufferevent_cancel_all_/g; s/(?<![A-Za-z0-9_])_bufferevent_decref_and_unlock(?![A-Za-z0-9_])/bufferevent_decref_and_unlock_/g; s/(?<![A-Za-z0-9_])_bufferevent_decrement_read_buckets(?![A-Za-z0-9_])/bufferevent_decrement_read_buckets_/g; s/(?<![A-Za-z0-9_])_bufferevent_decrement_write_buckets(?![A-Za-z0-9_])/bufferevent_decrement_write_buckets_/g; s/(?<![A-Za-z0-9_])_bufferevent_del_generic_timeout_cbs(?![A-Za-z0-9_])/bufferevent_del_generic_timeout_cbs_/g; s/(?<![A-Za-z0-9_])_bufferevent_generic_adj_timeouts(?![A-Za-z0-9_])/bufferevent_generic_adj_timeouts_/g; s/(?<![A-Za-z0-9_])_bufferevent_get_read_max(?![A-Za-z0-9_])/bufferevent_get_read_max_/g; s/(?<![A-Za-z0-9_])_bufferevent_get_rlim_max(?![A-Za-z0-9_])/bufferevent_get_rlim_max_/g; s/(?<![A-Za-z0-9_])_bufferevent_get_write_max(?![A-Za-z0-9_])/bufferevent_get_write_max_/g; s/(?<![A-Za-z0-9_])_bufferevent_incref_and_lock(?![A-Za-z0-9_])/bufferevent_incref_and_lock_/g; s/(?<![A-Za-z0-9_])_bufferevent_init_generic_timeout_cbs(?![A-Za-z0-9_])/bufferevent_init_generic_timeout_cbs_/g; s/(?<![A-Za-z0-9_])_bufferevent_ratelim_init(?![A-Za-z0-9_])/bufferevent_ratelim_init_/g; s/(?<![A-Za-z0-9_])_bufferevent_run_eventcb(?![A-Za-z0-9_])/bufferevent_run_eventcb_/g; s/(?<![A-Za-z0-9_])_bufferevent_run_readcb(?![A-Za-z0-9_])/bufferevent_run_readcb_/g; s/(?<![A-Za-z0-9_])_bufferevent_run_writecb(?![A-Za-z0-9_])/bufferevent_run_writecb_/g; s/(?<![A-Za-z0-9_])_ev(?![A-Za-z0-9_])/ev_/g; s/(?<![A-Za-z0-9_])_evbuffer_chain_pin(?![A-Za-z0-9_])/evbuffer_chain_pin_/g; s/(?<![A-Za-z0-9_])_evbuffer_chain_unpin(?![A-Za-z0-9_])/evbuffer_chain_unpin_/g; s/(?<![A-Za-z0-9_])_evbuffer_decref_and_unlock(?![A-Za-z0-9_])/evbuffer_decref_and_unlock_/g; s/(?<![A-Za-z0-9_])_evbuffer_expand_fast(?![A-Za-z0-9_])/evbuffer_expand_fast_/g; s/(?<![A-Za-z0-9_])_evbuffer_incref(?![A-Za-z0-9_])/evbuffer_incref_/g; s/(?<![A-Za-z0-9_])_evbuffer_incref_and_lock(?![A-Za-z0-9_])/evbuffer_incref_and_lock_/g; s/(?<![A-Za-z0-9_])_EVBUFFER_IOVEC_IS_NATIVE(?![A-Za-z0-9_])/EVBUFFER_IOVEC_IS_NATIVE_/g; s/(?<![A-Za-z0-9_])_evbuffer_overlapped_get_fd(?![A-Za-z0-9_])/evbuffer_overlapped_get_fd_/g; s/(?<![A-Za-z0-9_])_evbuffer_overlapped_set_fd(?![A-Za-z0-9_])/evbuffer_overlapped_set_fd_/g; s/(?<![A-Za-z0-9_])_evbuffer_read_setup_vecs(?![A-Za-z0-9_])/evbuffer_read_setup_vecs_/g; s/(?<![A-Za-z0-9_])_evbuffer_validate(?![A-Za-z0-9_])/evbuffer_validate_/g; s/(?<![A-Za-z0-9_])_evdns_log(?![A-Za-z0-9_])/evdns_log_/g; s/(?<![A-Za-z0-9_])_evdns_nameserver_add_impl(?![A-Za-z0-9_])/evdns_nameserver_add_impl_/g; s/(?<![A-Za-z0-9_])_EVENT_CONFIG_H_(?![A-Za-z0-9_])/EVENT_CONFIG_H__/g; s/(?<![A-Za-z0-9_])_event_debug_assert_is_setup(?![A-Za-z0-9_])/event_debug_assert_is_setup_/g; s/(?<![A-Za-z0-9_])_event_debug_assert_not_added(?![A-Za-z0-9_])/event_debug_assert_not_added_/g; s/(?<![A-Za-z0-9_])_event_debug_get_logging_mask(?![A-Za-z0-9_])/event_debug_get_logging_mask_/g; s/(?<![A-Za-z0-9_])_event_debug_logging_mask(?![A-Za-z0-9_])/event_debug_logging_mask_/g; s/(?<![A-Za-z0-9_])_event_debug_map_lock(?![A-Za-z0-9_])/event_debug_map_lock_/g; s/(?<![A-Za-z0-9_])_event_debug_mode_on(?![A-Za-z0-9_])/event_debug_mode_on_/g; s/(?<![A-Za-z0-9_])_event_debug_note_add(?![A-Za-z0-9_])/event_debug_note_add_/g; s/(?<![A-Za-z0-9_])_event_debug_note_del(?![A-Za-z0-9_])/event_debug_note_del_/g; s/(?<![A-Za-z0-9_])_event_debug_note_setup(?![A-Za-z0-9_])/event_debug_note_setup_/g; s/(?<![A-Za-z0-9_])_event_debug_note_teardown(?![A-Za-z0-9_])/event_debug_note_teardown_/g; s/(?<![A-Za-z0-9_])_event_debugx(?![A-Za-z0-9_])/event_debugx_/g; s/(?<![A-Za-z0-9_])_EVENT_DEFINED_LISTENTRY(?![A-Za-z0-9_])/EVENT_DEFINED_LISTENTRY_/g; s/(?<![A-Za-z0-9_])_EVENT_DEFINED_TQENTRY(?![A-Za-z0-9_])/EVENT_DEFINED_TQENTRY_/g; s/(?<![A-Za-z0-9_])_EVENT_DEFINED_TQHEAD(?![A-Za-z0-9_])/EVENT_DEFINED_TQHEAD_/g; s/(?<![A-Za-z0-9_])_EVENT_DNS_USE_FTIME_FOR_ID(?![A-Za-z0-9_])/EVENT_DNS_USE_FTIME_FOR_ID_/g; s/(?<![A-Za-z0-9_])_EVENT_ERR_ABORT(?![A-Za-z0-9_])/EVENT_ERR_ABORT_/g; s/(?<![A-Za-z0-9_])_EVENT_EVCONFIG__PRIVATE_H(?![A-Za-z0-9_])/EVENT_EVCONFIG__PRIVATE_H_/g; s/(?<![A-Za-z0-9_])_event_iocp_port_unlock_and_free(?![A-Za-z0-9_])/event_iocp_port_unlock_and_free_/g; s/(?<![A-Za-z0-9_])_EVENT_LOG_DEBUG(?![A-Za-z0-9_])/EVENT_LOG_DEBUG/g; s/(?<![A-Za-z0-9_])_EVENT_LOG_ERR(?![A-Za-z0-9_])/EVENT_LOG_ERR/g; s/(?<![A-Za-z0-9_])_EVENT_LOG_MSG(?![A-Za-z0-9_])/EVENT_LOG_MSG/g; s/(?<![A-Za-z0-9_])_EVENT_LOG_WARN(?![A-Za-z0-9_])/EVENT_LOG_WARN/g; s/(?<![A-Za-z0-9_])_event_strlcpy(?![A-Za-z0-9_])/event_strlcpy_/g; s/(?<![A-Za-z0-9_])_EVHTTP_REQ_UNKNOWN(?![A-Za-z0-9_])/EVHTTP_REQ_UNKNOWN_/g; s/(?<![A-Za-z0-9_])_EVLOCK_SORTLOCKS(?![A-Za-z0-9_])/EVLOCK_SORTLOCKS_/g; s/(?<![A-Za-z0-9_])_evrpc_hooks(?![A-Za-z0-9_])/evrpc_hooks_/g; s/(?<![A-Za-z0-9_])_evsig_restore_handler(?![A-Za-z0-9_])/evsig_restore_handler_/g; s/(?<![A-Za-z0-9_])_evsig_set_handler(?![A-Za-z0-9_])/evsig_set_handler_/g; s/(?<![A-Za-z0-9_])_evthread_cond_fns(?![A-Za-z0-9_])/evthread_cond_fns_/g; s/(?<![A-Za-z0-9_])_evthread_debug_get_real_lock(?![A-Za-z0-9_])/evthread_debug_get_real_lock_/g; s/(?<![A-Za-z0-9_])_evthread_id_fn(?![A-Za-z0-9_])/evthread_id_fn_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_cond_alloc(?![A-Za-z0-9_])/evthreadimpl_cond_alloc_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_cond_free(?![A-Za-z0-9_])/evthreadimpl_cond_free_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_cond_signal(?![A-Za-z0-9_])/evthreadimpl_cond_signal_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_cond_wait(?![A-Za-z0-9_])/evthreadimpl_cond_wait_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_get_id(?![A-Za-z0-9_])/evthreadimpl_get_id_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_is_lock_debugging_enabled(?![A-Za-z0-9_])/evthreadimpl_is_lock_debugging_enabled_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_lock_alloc(?![A-Za-z0-9_])/evthreadimpl_lock_alloc_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_lock_free(?![A-Za-z0-9_])/evthreadimpl_lock_free_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_locking_enabled(?![A-Za-z0-9_])/evthreadimpl_locking_enabled_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_lock_lock(?![A-Za-z0-9_])/evthreadimpl_lock_lock_/g; s/(?<![A-Za-z0-9_])_evthreadimpl_lock_unlock(?![A-Za-z0-9_])/evthreadimpl_lock_unlock_/g; s/(?<![A-Za-z0-9_])_evthread_is_debug_lock_held(?![A-Za-z0-9_])/evthread_is_debug_lock_held_/g; s/(?<![A-Za-z0-9_])_evthread_lock_debugging_enabled(?![A-Za-z0-9_])/evthread_lock_debugging_enabled_/g; s/(?<![A-Za-z0-9_])_evthread_lock_fns(?![A-Za-z0-9_])/evthread_lock_fns_/g; s/(?<![A-Za-z0-9_])_EVUTIL_NIL_CONDITION(?![A-Za-z0-9_])/EVUTIL_NIL_CONDITION_/g; s/(?<![A-Za-z0-9_])_EVUTIL_NIL_STMT(?![A-Za-z0-9_])/EVUTIL_NIL_STMT_/g; s/(?<![A-Za-z0-9_])_evutil_weakrand(?![A-Za-z0-9_])/evutil_weakrand_/g; s/(?<![A-Za-z0-9_])_http_close_detection(?![A-Za-z0-9_])/http_close_detection_/g; s/(?<![A-Za-z0-9_])_http_connection_test(?![A-Za-z0-9_])/http_connection_test_/g; s/(?<![A-Za-z0-9_])_http_incomplete_test(?![A-Za-z0-9_])/http_incomplete_test_/g; s/(?<![A-Za-z0-9_])_http_stream_in_test(?![A-Za-z0-9_])/http_stream_in_test_/g; s/(?<![A-Za-z0-9_])_internal(?![A-Za-z0-9_])/internal_/g; s/(?<![A-Za-z0-9_])_mm_free_fn(?![A-Za-z0-9_])/mm_free_fn_/g; s/(?<![A-Za-z0-9_])_mm_malloc_fn(?![A-Za-z0-9_])/mm_malloc_fn_/g; s/(?<![A-Za-z0-9_])_mm_realloc_fn(?![A-Za-z0-9_])/mm_realloc_fn_/g; s/(?<![A-Za-z0-9_])_original_cond_fns(?![A-Za-z0-9_])/original_cond_fns_/g; s/(?<![A-Za-z0-9_])_original_lock_fns(?![A-Za-z0-9_])/original_lock_fns_/g; s/(?<![A-Za-z0-9_])_rpc_hook_ctx(?![A-Za-z0-9_])/rpc_hook_ctx_/g; s/(?<![A-Za-z0-9_])_SYS_QUEUE_H_(?![A-Za-z0-9_])/SYS_QUEUE_H__/g; s/(?<![A-Za-z0-9_])_t(?![A-Za-z0-9_])/t_/g; s/(?<![A-Za-z0-9_])_t32(?![A-Za-z0-9_])/t32_/g; s/(?<![A-Za-z0-9_])_test_ai_eq(?![A-Za-z0-9_])/test_ai_eq_/g; s/(?<![A-Za-z0-9_])_URI_ADD(?![A-Za-z0-9_])/URI_ADD_/g; s/(?<![A-Za-z0-9_])_URI_FREE_STR(?![A-Za-z0-9_])/URI_FREE_STR_/g; s/(?<![A-Za-z0-9_])_URI_SET_STR(?![A-Za-z0-9_])/URI_SET_STR_/g; s/(?<![A-Za-z0-9_])_warn_helper(?![A-Za-z0-9_])/warn_helper_/g;
Nick Mathewson 68120d9b 2012-02-29T15:07:31 Convert event-config.h macros to avoid reserved identifiers C reserves all identifiers beginning with an underscore for system use. But we had been mangling our autoconf identifiers with the prefix "_EVENT_" to avoid conflict with other programs. Instead, we will now use the prefix "EVENT__". With any luck, the double-underscore will still hint "here be dragons" to anybody tempted to think that event-config.h is a stable api. This is an automatically generated patch. The script that produced it was made by running this script over config.h.in: ===== #!/usr/bin/perl -w # Run this on config.h.in use strict; my %macros = (); while (<>) { if (/^# *undef +([A-Za-z0-9_]+)/) { $macros{$1} = 1; } } print "#!/usr/bin/perl -w -i -p\n\n"; for my $k (sort keys %macros) { print "s/(?<![A-Za-z0-9_])_EVENT_$k(?![A-Za-z0-9_])/EVENT__$k/g;\n"; } == And the script that it generated was then run over all .c and .h files: #!/usr/bin/perl -w -i -p s/(?<![A-Za-z0-9_])_EVENT_DISABLE_DEBUG_MODE(?![A-Za-z0-9_])/EVENT__DISABLE_DEBUG_MODE/g; s/(?<![A-Za-z0-9_])_EVENT_DISABLE_MM_REPLACEMENT(?![A-Za-z0-9_])/EVENT__DISABLE_MM_REPLACEMENT/g; s/(?<![A-Za-z0-9_])_EVENT_DISABLE_THREAD_SUPPORT(?![A-Za-z0-9_])/EVENT__DISABLE_THREAD_SUPPORT/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_ACCEPT4(?![A-Za-z0-9_])/EVENT__HAVE_ACCEPT4/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_ARC4RANDOM(?![A-Za-z0-9_])/EVENT__HAVE_ARC4RANDOM/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_ARC4RANDOM_BUF(?![A-Za-z0-9_])/EVENT__HAVE_ARC4RANDOM_BUF/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_ARPA_INET_H(?![A-Za-z0-9_])/EVENT__HAVE_ARPA_INET_H/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_CLOCK_GETTIME(?![A-Za-z0-9_])/EVENT__HAVE_CLOCK_GETTIME/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_DECL_CTL_KERN(?![A-Za-z0-9_])/EVENT__HAVE_DECL_CTL_KERN/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_DECL_KERN_ARND(?![A-Za-z0-9_])/EVENT__HAVE_DECL_KERN_ARND/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_DECL_KERN_RANDOM(?![A-Za-z0-9_])/EVENT__HAVE_DECL_KERN_RANDOM/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_DECL_RANDOM_UUID(?![A-Za-z0-9_])/EVENT__HAVE_DECL_RANDOM_UUID/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_DEVPOLL(?![A-Za-z0-9_])/EVENT__HAVE_DEVPOLL/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_DLFCN_H(?![A-Za-z0-9_])/EVENT__HAVE_DLFCN_H/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_EPOLL(?![A-Za-z0-9_])/EVENT__HAVE_EPOLL/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_EPOLL_CREATE1(?![A-Za-z0-9_])/EVENT__HAVE_EPOLL_CREATE1/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_EPOLL_CTL(?![A-Za-z0-9_])/EVENT__HAVE_EPOLL_CTL/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_EVENTFD(?![A-Za-z0-9_])/EVENT__HAVE_EVENTFD/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_EVENT_PORTS(?![A-Za-z0-9_])/EVENT__HAVE_EVENT_PORTS/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_FCNTL(?![A-Za-z0-9_])/EVENT__HAVE_FCNTL/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_FCNTL_H(?![A-Za-z0-9_])/EVENT__HAVE_FCNTL_H/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_FD_MASK(?![A-Za-z0-9_])/EVENT__HAVE_FD_MASK/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETADDRINFO(?![A-Za-z0-9_])/EVENT__HAVE_GETADDRINFO/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETEGID(?![A-Za-z0-9_])/EVENT__HAVE_GETEGID/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETEUID(?![A-Za-z0-9_])/EVENT__HAVE_GETEUID/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETHOSTBYNAME_R(?![A-Za-z0-9_])/EVENT__HAVE_GETHOSTBYNAME_R/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETHOSTBYNAME_R_3_ARG(?![A-Za-z0-9_])/EVENT__HAVE_GETHOSTBYNAME_R_3_ARG/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETHOSTBYNAME_R_5_ARG(?![A-Za-z0-9_])/EVENT__HAVE_GETHOSTBYNAME_R_5_ARG/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETHOSTBYNAME_R_6_ARG(?![A-Za-z0-9_])/EVENT__HAVE_GETHOSTBYNAME_R_6_ARG/g; s/(?<![A-Za-z0-9_])_EVENT_HAVE_GETIFADDRS(?![A-Za-z0-9_])/EVENT__HAVE_GETIFADDRS/g; 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Nick Mathewson 27931976 2012-02-11T21:20:47 Merge remote-tracking branch 'origin/patches-2.0'
Ross Lagerwall d2b5f722 2012-02-11T17:23:17 Make uses of open() close-on-exec safe by introducing evutil_open_closeonexec. In a multi-process/threaded environment, opening fds internally without the close-on-exec flag could leak fds to child processes.
Nick Mathewson 539466e5 2012-02-10T17:33:50 Merge remote-tracking branch 'origin/patches-2.0' Conflicts: Makefile.am WIN32-Code/event2/event-config.h configure.in
Nick Mathewson e49e2891 2012-02-10T17:29:53 Update copyright notices to 2012
Nick Mathewson d4306028 2011-12-08T11:43:04 Merge remote-tracking branch 'origin/patches-2.0' Conflicts: configure.in
Mike Frysinger 358c745e 2011-12-08T11:39:48 check for sysctl before we use it Not all C libraries under Linux support the sysctl() func.
Nick Mathewson 9f560bfa 2011-05-25T19:50:56 Use "_WIN32", not WIN32: it's standard and we don't need to fake it This patch was automatically generated with perl. Based on a patch by Peter Rosin.
Nick Mathewson 9f5bf663 2011-02-08T22:24:51 Merge remote branch 'origin/patches-2.0'
Nick Mathewson f7361980 2011-02-08T22:24:06 Fix a type error in our (unused) arc4random_stir()
Kevin Bowling ded0a090 2011-01-07T00:41:37 Add evconfig-private to remaining files
Nick Mathewson 9c8db0f8 2010-09-23T22:45:55 Fix all warnings in the main codebase flagged by -Wsigned-compare Remember, the code int is_less_than(int a, unsigned b) { return a < b; } is buggy, since the C integer promotion rules basically turn it into int is_less_than(int a, unsigned b) { return ((unsigned)a) < b; } and we really want something closer to int is_less_than(int a, unsigned b) { return a < 0 || ((unsigned)a) < b; } . Suggested by an example from Ralph Castain
Nick Mathewson c44de06c 2010-05-08T18:09:27 Numerous opensolaris compilation fixes For future note, opensolaris doesn't have sys/sysctl.h, doesn't like comparing iov_buf to a chain_space_ptr without a cast, and is (predictably) unforgiving of dumb syntax errors. Also, we had accidentally broken the devpoll backend test in configure.in
Nick Mathewson 90d42251 2010-05-08T15:31:54 Fix some crazy macro mistakes in arc4random.c
Nick Mathewson 20fda296 2010-05-03T13:00:00 Try /proc on Linux as entropy fallback; use sysctl as last resort It turns out that the happy fun Linux kernel is deprecating sysctl, and using sysctl to fetch entropy will spew messages in the kernel logs. Let's not do that. Instead, let's call sysctl for our entropy only when all other means fail. Additionally, let's add another means, and try /proc/sys/kernel/random/uuid if /dev/urandom fails.
Nick Mathewson a47a4b7e 2010-04-23T16:08:09 Fix a couple of bugs in the BSD sysctl arc4seed logic Of course, FreeBSD has its own arc4random() implementation, so this should never actually be needed. Still, it's good to paint the underside of the wagon.
Nick Mathewson 71fc3eb0 2010-03-04T01:13:51 Seed the RNG using sysctl() as well as /dev/urandom William Ahern points out that if the user has chrooted, they might not have a working /dev/urandom. Linux and many of the BSDs, however, define a sysctl interface to their kernel random number generators. This patch takes a belt-and-suspenders approach and tries to do use the sysctl _and_ the /dev/urandom approach if both are present. When using the sysctl approach, it tries to bulletproof itself by checking to make sure that the buffers are actually set by the sysctl calls.
Nick Mathewson 98edb891 2010-02-25T17:14:41 Fix arc4random compilation on MSVC.
Nick Mathewson ff2a134d 2010-02-18T00:54:44 Fix getpid() usage on Windows On Windows, getpid() is _getpid(), and requires that we first include <process.h>. arc4random.c previously didn't know that. Actually, I question whether arc4random needs to do its getpid() tricks on Windows. They exist only so that we remember to re-seed the ARC4 cipher whenever we fork... but Windows has no fork(), so I think we're in the clear.
Nick Mathewson 4ec8fea6 2010-02-13T00:11:44 Make RNG work when we have arc4random() but not arc4random_buf()
Nick Mathewson d4de062e 2010-02-10T17:19:18 Add an arc4random implementation for use by evdns Previously, evdns was at the mercy of the user for providing a good entropy source; without one, it would be vulnerable to various active attacks. This patch adds a port of OpenBSD's arc4random() calls to Libevent [port by Chris Davis], and wraps it up a little bit so we can use it more safely.