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| author | Federico G. Schwindt <fgsch@lodoss.net> | 2013-10-23 16:00:26 +0100 |
|---|---|---|
| committer | Federico G. Schwindt <fgsch@lodoss.net> | 2013-10-23 16:00:26 +0100 |
| commit | 8e6db769ac549cfe26042f7d51ae8a301d8fc569 (patch) | |
| tree | 258cb9f9ed690c9dd85bf566937d6df8fe89e69b | |
| parent | 8a041373bb81f75a91a00e692979619938199989 (diff) | |
| download | ngircd-8e6db769ac549cfe26042f7d51ae8a301d8fc569.tar.gz ngircd-8e6db769ac549cfe26042f7d51ae8a301d8fc569.zip | |
Check and call arc4random_stir() if present
FreeBSD prior to 10.0 does not automatically stir on fork(). Same with current NetBSD. If arc4random_stir() is present assume is needed and call it instead of srand().
| -rw-r--r-- | configure.ng | 6 | ||||
| -rw-r--r-- | src/ngircd/proc.c | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/configure.ng b/configure.ng index 16f970f8..e3f51cf0 100644 --- a/configure.ng +++ b/configure.ng @@ -187,9 +187,9 @@ AC_CHECK_FUNCS([ \ # Optional functions AC_CHECK_FUNCS_ONCE([ \ - arc4random gai_strerror getaddrinfo getnameinfo inet_aton sigaction \ - sigprocmask snprintf vsnprintf strdup strndup strlcpy strlcat strtok_r \ - waitpid]) + arc4random arc4random_stir gai_strerror getaddrinfo getnameinfo inet_aton + sigaction sigprocmask snprintf vsnprintf strdup strndup strlcpy strlcat \ + strtok_r waitpid]) # -- Configuration options -- diff --git a/src/ngircd/proc.c b/src/ngircd/proc.c index d290f3bd..a5afb501 100644 --- a/src/ngircd/proc.c +++ b/src/ngircd/proc.c @@ -77,6 +77,9 @@ Proc_Fork(PROC_STAT *proc, int *pipefds, void (*cbfunc)(int, short), int timeout return -1; case 0: /* New child process: */ +#ifdef HAVE_ARC4RANDOM_STIR + arc4random_stir(); +#endif #ifndef HAVE_ARC4RANDOM srand(seed ^ (unsigned int)time(NULL) ^ getpid()); #endif |