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Use _PATH_DEVNULL on FreeBSD when using kvm_openfiles so we work in a jail, bug #21.

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This commit is contained in:
Roy Marples 2008-02-13 23:44:17 +00:00
parent 096ac08fe3
commit 9854f9e3ee
2 changed files with 13 additions and 2 deletions
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14
src/librc/librc-daemon.c
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@ -182,6 +182,7 @@ librc_hidden_def(rc_find_pids)
# define _GET_KINFO_UID(kp) (kp.ki_ruid)
# define _GET_KINFO_COMM(kp) (kp.ki_comm)
# define _GET_KINFO_PID(kp) (kp.ki_pid)
# define _KVM_PATH _PATH_DEVNULL
# else
# define _KVM_GETPROC2
# define _KINFO_PROC kinfo_proc2
@ -189,6 +190,7 @@ librc_hidden_def(rc_find_pids)
# define _GET_KINFO_UID(kp) (kp.p_ruid)
# define _GET_KINFO_COMM(kp) (kp.p_comm)
# define _GET_KINFO_PID(kp) (kp.p_pid)
# define _KVM_PATH NULL
# endif
pid_t *rc_find_pids (const char *exec, const char *cmd,
@ -205,8 +207,10 @@ pid_t *rc_find_pids (const char *exec, const char *cmd,
pid_t *tmp;
int npids = 0;
if ((kd = kvm_openfiles (NULL, NULL, NULL, O_RDONLY, errbuf)) == NULL) {
fprintf (stderr, "kvm_open: %s", errbuf);
if ((kd = kvm_openfiles (_KVM_PATH, _KVM_PATH,
NULL, O_RDONLY, errbuf)) == NULL)
{
fprintf (stderr, "kvm_open: %s\n", errbuf);
return (NULL);
}
@ -215,6 +219,12 @@ pid_t *rc_find_pids (const char *exec, const char *cmd,
#else
kp = kvm_getprocs (kd, KERN_PROC_PROC, 0, &processes);
#endif
if ((kp == NULL && processes > 0) || (kp != NULL && processes < 0)) {
fprintf (stderr, "kvm_getprocs: %s\n", kvm_geterr (kd));
kvm_close (kd);
return (NULL);
}
for (i = 0; i < processes; i++) {
pid_t p = _GET_KINFO_PID (kp[i]);
if (pid != 0 && pid != p)

1
src/librc/librc.h
View File

@ -45,6 +45,7 @@
#include <fcntl.h>
#include <libgen.h>
#include <limits.h>
#include <paths.h>
#include <regex.h>
#include <stdarg.h>
#include <stdbool.h>