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Code Issues Releases Activity

Use daemonfd(3) in the dhclient(8).

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Reviewed by:	brooks@
Differential Revision:	https://reviews.freebsd.org/D13603
This commit is contained in:
Mariusz Zaborski 2018-02-02 18:11:56 +00:00
parent 0fd25723bc
commit 3169840599
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=328803
1 changed files with 1 additions and 5 deletions
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6
sbin/dhclient/dhclient.c
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@ -2430,7 +2430,7 @@ go_daemon(void)
/* Stop logging to stderr... */
log_perror = 0;
if (daemon(1, 1) == -1)
if (daemonfd(-1, nullfd) == -1)
error("daemon");
cap_rights_init(&rights);
@ -2443,11 +2443,7 @@ go_daemon(void)
}
}
/* we are chrooted, daemon(3) fails to open /dev/null */
if (nullfd != -1) {
dup2(nullfd, STDIN_FILENO);
dup2(nullfd, STDOUT_FILENO);
dup2(nullfd, STDERR_FILENO);
close(nullfd);
nullfd = -1;
}