struct kinfo_proc2 *
kvm_getproc2(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
{
int mib[6], st, nprocs;
struct user user;
size_t size;
if ((ssize_t)esize < 0)
return (NULL);
if (kd->procbase2 != NULL) {
free(kd->procbase2);
/*
* Clear this pointer in case this call fails. Otherwise,
* kvm_close() will free it again.
*/
kd->procbase2 = 0;
}
if (ISALIVE(kd)) {
size = 0;
mib[0] = CTL_KERN;
mib[1] = KERN_PROC2;
mib[2] = op;
mib[3] = arg;
mib[4] = esize;
mib[5] = 0;
st = sysctl(mib, 6, NULL, &size, NULL, 0);
if (st == -1) {
_kvm_syserr(kd, kd->program, "kvm_getproc2");
return (NULL);
}
mib[5] = size / esize;
kd->procbase2 = _kvm_malloc(kd, size);
if (kd->procbase2 == 0)
return (NULL);
st = sysctl(mib, 6, kd->procbase2, &size, NULL, 0);
if (st == -1) {
_kvm_syserr(kd, kd->program, "kvm_getproc2");
return (NULL);
}
nprocs = size / esize;
} else {
struct kinfo_proc2 kp2, *kp2p;
struct kinfo_proc *kp;
char *kp2c;
int i;
kp = kvm_getprocs(kd, op, arg, &nprocs);
if (kp == NULL)
return (NULL);
kd->procbase2 = _kvm_malloc(kd, nprocs * esize);
kp2c = (char *)kd->procbase2;
kp2p = &kp2;
for (i = 0; i < nprocs; i++, kp++) {
memset(kp2p, 0, sizeof(kp2));
kp2p->p_paddr = PTRTOINT64(kp->kp_eproc.e_paddr);
kp2p->p_addr = PTRTOINT64(kp->kp_proc.p_addr);
kp2p->p_fd = PTRTOINT64(kp->kp_proc.p_fd);
kp2p->p_stats = PTRTOINT64(kp->kp_proc.p_stats);
kp2p->p_limit = PTRTOINT64(kp->kp_eproc.e_limit);
kp2p->p_vmspace = PTRTOINT64(kp->kp_proc.p_vmspace);
kp2p->p_sigacts = PTRTOINT64(kp->kp_proc.p_sigacts);
kp2p->p_sess = PTRTOINT64(kp->kp_eproc.e_sess);
kp2p->p_tsess = 0;
kp2p->p_ru = PTRTOINT64(kp->kp_proc.p_ru);
kp2p->p_eflag = 0;
kp2p->p_exitsig = kp->kp_proc.p_exitsig;
kp2p->p_flag = kp->kp_proc.p_flag;
kp2p->p_pid = kp->kp_proc.p_pid;
kp2p->p_ppid = kp->kp_eproc.e_ppid;
#if 0
kp2p->p_sid = kp->kp_eproc.e_sid;
#else
kp2p->p_sid = -1; /* XXX */
#endif
kp2p->p__pgid = kp->kp_eproc.e_pgid;
kp2p->p_tpgid = -1;
kp2p->p_uid = kp->kp_eproc.e_ucred.cr_uid;
kp2p->p_ruid = kp->kp_eproc.e_pcred.p_ruid;
kp2p->p_gid = kp->kp_eproc.e_ucred.cr_gid;
kp2p->p_rgid = kp->kp_eproc.e_pcred.p_rgid;
memcpy(kp2p->p_groups, kp->kp_eproc.e_ucred.cr_groups,
MIN(sizeof(kp2p->p_groups),
sizeof(kp->kp_eproc.e_ucred.cr_groups)));
kp2p->p_ngroups = kp->kp_eproc.e_ucred.cr_ngroups;
kp2p->p_jobc = kp->kp_eproc.e_jobc;
kp2p->p_tdev = kp->kp_eproc.e_tdev;
kp2p->p_tpgid = kp->kp_eproc.e_tpgid;
kp2p->p_tsess = PTRTOINT64(kp->kp_eproc.e_tsess);
kp2p->p_estcpu = kp->kp_proc.p_estcpu;
kp2p->p_rtime_sec = kp->kp_proc.p_estcpu;
kp2p->p_rtime_usec = kp->kp_proc.p_estcpu;
kp2p->p_cpticks = kp->kp_proc.p_cpticks;
kp2p->p_pctcpu = kp->kp_proc.p_pctcpu;
kp2p->p_swtime = kp->kp_proc.p_swtime;
kp2p->p_slptime = kp->kp_proc.p_slptime;
kp2p->p_schedflags = 0;
kp2p->p_uticks = kp->kp_proc.p_uticks;
kp2p->p_sticks = kp->kp_proc.p_sticks;
kp2p->p_iticks = kp->kp_proc.p_iticks;
kp2p->p_tracep = PTRTOINT64(kp->kp_proc.p_tracep);
kp2p->p_traceflag = kp->kp_proc.p_traceflag;
kp2p->p_holdcnt = 1;
kp2p->p_siglist = kp->kp_proc.p_siglist;
kp2p->p_sigmask = kp->kp_proc.p_sigmask;
kp2p->p_sigignore = kp->kp_proc.p_sigignore;
kp2p->p_sigcatch = kp->kp_proc.p_sigcatch;
kp2p->p_stat = kp->kp_proc.p_stat;
kp2p->p_priority = kp->kp_proc.p_priority;
kp2p->p_usrpri = kp->kp_proc.p_usrpri;
kp2p->p_nice = kp->kp_proc.p_nice;
kp2p->p_xstat = kp->kp_proc.p_xstat;
kp2p->p_acflag = kp->kp_proc.p_acflag;
strncpy(kp2p->p_comm, kp->kp_proc.p_comm,
MIN(sizeof(kp2p->p_comm), sizeof(kp->kp_proc.p_comm)));
strncpy(kp2p->p_wmesg, kp->kp_eproc.e_wmesg,
sizeof(kp2p->p_wmesg));
kp2p->p_wchan = PTRTOINT64(kp->kp_proc.p_wchan);
strncpy(kp2p->p_login, kp->kp_eproc.e_login,
sizeof(kp2p->p_login));
kp2p->p_vm_rssize = kp->kp_eproc.e_xrssize;
kp2p->p_vm_tsize = kp->kp_eproc.e_vm.vm_tsize;
kp2p->p_vm_dsize = kp->kp_eproc.e_vm.vm_dsize;
kp2p->p_vm_ssize = kp->kp_eproc.e_vm.vm_ssize;
kp2p->p_eflag = kp->kp_eproc.e_flag;
if (P_ZOMBIE(&kp->kp_proc) || kp->kp_proc.p_addr == NULL ||
KREAD(kd, (u_long)kp->kp_proc.p_addr, &user)) {
kp2p->p_uvalid = 0;
} else {
kp2p->p_uvalid = 1;
kp2p->p_ustart_sec = user.u_stats.p_start.tv_sec;
kp2p->p_ustart_usec = user.u_stats.p_start.tv_usec;
kp2p->p_uutime_sec = user.u_stats.p_ru.ru_utime.tv_sec;
kp2p->p_uutime_usec = user.u_stats.p_ru.ru_utime.tv_usec;
kp2p->p_ustime_sec = user.u_stats.p_ru.ru_stime.tv_sec;
kp2p->p_ustime_usec = user.u_stats.p_ru.ru_stime.tv_usec;
kp2p->p_uru_maxrss = user.u_stats.p_ru.ru_maxrss;
kp2p->p_uru_ixrss = user.u_stats.p_ru.ru_ixrss;
kp2p->p_uru_idrss = user.u_stats.p_ru.ru_idrss;
kp2p->p_uru_isrss = user.u_stats.p_ru.ru_isrss;
kp2p->p_uru_minflt = user.u_stats.p_ru.ru_minflt;
kp2p->p_uru_majflt = user.u_stats.p_ru.ru_majflt;
kp2p->p_uru_nswap = user.u_stats.p_ru.ru_nswap;
kp2p->p_uru_inblock = user.u_stats.p_ru.ru_inblock;
kp2p->p_uru_oublock = user.u_stats.p_ru.ru_oublock;
kp2p->p_uru_msgsnd = user.u_stats.p_ru.ru_msgsnd;
kp2p->p_uru_msgrcv = user.u_stats.p_ru.ru_msgrcv;
kp2p->p_uru_nsignals = user.u_stats.p_ru.ru_nsignals;
kp2p->p_uru_nvcsw = user.u_stats.p_ru.ru_nvcsw;
kp2p->p_uru_nivcsw = user.u_stats.p_ru.ru_nivcsw;
kp2p->p_uctime_sec =
user.u_stats.p_cru.ru_utime.tv_sec +
user.u_stats.p_cru.ru_stime.tv_sec;
kp2p->p_uctime_usec =
user.u_stats.p_cru.ru_utime.tv_usec +
user.u_stats.p_cru.ru_stime.tv_usec;
}
memcpy(kp2c, &kp2, esize);
kp2c += esize;
}
free(kd->procbase);
}
*cnt = nprocs;
return (kd->procbase2);
}
/*
* Read proc's from memory file into buffer bp, which has space to hold
* at most maxcnt procs.
*/
static int
kvm_proclist(kvm_t *kd, int op, int arg, struct proc *p,
char *bp, int maxcnt, size_t esize)
{
struct kinfo_proc kp;
struct session sess;
struct pcred pcred;
struct ucred ucred;
struct proc proc, proc2;
struct process process, process2;
struct pgrp pgrp;
struct tty tty;
struct sigacts sa, *sap;
struct vmspace vm, *vmp;
struct plimit limits, *limp;
pid_t process_pid, parent_pid, leader_pid;
int cnt = 0;
int dothreads = 0;
dothreads = op & KERN_PROC_SHOW_THREADS;
op &= ~KERN_PROC_SHOW_THREADS;
for (; cnt < maxcnt && p != NULL; p = LIST_NEXT(&proc, p_list)) {
if (KREAD(kd, (u_long)p, &proc)) {
_kvm_err(kd, kd->program, "can't read proc at %x", p);
return (-1);
}
if (KREAD(kd, (u_long)proc.p_p, &process)) {
_kvm_err(kd, kd->program, "can't read process at %x",
proc.p_p);
return (-1);
}
if (KREAD(kd, (u_long)process.ps_cred, &pcred)) {
_kvm_err(kd, kd->program, "can't read pcred at %x",
process.ps_cred);
return (-1);
}
if ((proc.p_flag & P_THREAD) == 0)
process_pid = proc.p_pid;
else {
if (KREAD(kd, (u_long)process.ps_mainproc, &proc2)) {
_kvm_err(kd, kd->program,
"can't read proc at %x",
process.ps_mainproc);
return (-1);
}
process_pid = proc2.p_pid;
}
if (KREAD(kd, (u_long)pcred.pc_ucred, &ucred)) {
_kvm_err(kd, kd->program, "can't read ucred at %x",
pcred.pc_ucred);
return (-1);
}
if (KREAD(kd, (u_long)process.ps_pgrp, &pgrp)) {
_kvm_err(kd, kd->program, "can't read pgrp at %x",
process.ps_pgrp);
return (-1);
}
if (KREAD(kd, (u_long)pgrp.pg_session, &sess)) {
_kvm_err(kd, kd->program, "can't read session at %x",
pgrp.pg_session);
return (-1);
}
if ((process.ps_flags & PS_CONTROLT) && sess.s_ttyp != NULL &&
KREAD(kd, (u_long)sess.s_ttyp, &tty)) {
_kvm_err(kd, kd->program,
"can't read tty at %x", sess.s_ttyp);
return (-1);
}
if (process.ps_pptr) {
if (KREAD(kd, (u_long)process.ps_pptr, &process2)) {
_kvm_err(kd, kd->program,
"can't read process at %x",
process.ps_pptr);
return (-1);
}
if (KREAD(kd, (u_long)process2.ps_mainproc, &proc2)) {
_kvm_err(kd, kd->program,
"can't read proc at %x",
process2.ps_mainproc);
return (-1);
}
parent_pid = proc2.p_pid;
}
else
parent_pid = 0;
if (sess.s_leader) {
if (KREAD(kd, (u_long)sess.s_leader, &process2)) {
_kvm_err(kd, kd->program,
"can't read proc at %x", sess.s_leader);
return (-1);
}
if (KREAD(kd, (u_long)process2.ps_mainproc, &proc2)) {
_kvm_err(kd, kd->program,
"can't read proc at %x",
process2.ps_mainproc);
return (-1);
}
leader_pid = proc2.p_pid;
}
else
leader_pid = 0;
if (proc.p_sigacts) {
if (KREAD(kd, (u_long)proc.p_sigacts, &sa)) {
_kvm_err(kd, kd->program, "can't read sigacts at %x",
proc.p_sigacts);
return (-1);
}
sap = &sa;
}
else
sap = NULL;
switch (op) {
case KERN_PROC_PID:
if (proc.p_pid != (pid_t)arg)
continue;
break;
case KERN_PROC_PGRP:
if (pgrp.pg_id != (pid_t)arg)
continue;
break;
case KERN_PROC_SESSION:
if (sess.s_leader == NULL ||
leader_pid != (pid_t)arg)
continue;
break;
case KERN_PROC_TTY:
if ((process.ps_flags & PS_CONTROLT) == 0 ||
sess.s_ttyp == NULL ||
tty.t_dev != (dev_t)arg)
continue;
break;
case KERN_PROC_UID:
if (ucred.cr_uid != (uid_t)arg)
continue;
break;
case KERN_PROC_RUID:
if (pcred.p_ruid != (uid_t)arg)
continue;
break;
case KERN_PROC_ALL:
if (proc.p_flag & P_SYSTEM)
continue;
break;
case KERN_PROC_KTHREAD:
/* no filtering */
break;
default:
_kvm_err(kd, kd->program, "invalid filter");
return (-1);
}
/*
* We're going to add another proc to the set. If this
* will overflow the buffer, assume the reason is because
* nthreads (or the proc list) is corrupt and declare an error.
*/
if (cnt >= maxcnt) {
_kvm_err(kd, kd->program, "nthreads corrupt");
return (-1);
}
/* set up stuff that might not always be there */
vmp = &vm;
if (proc.p_stat == SIDL ||
P_ZOMBIE(&proc) ||
KREAD(kd, (u_long)proc.p_vmspace, &vm))
vmp = NULL;
limp = &limits;
if (!process.ps_limit ||
KREAD(kd, (u_long)process.ps_limit, &limits))
limp = NULL;
#define do_copy_str(_d, _s, _l) kvm_read(kd, (u_long)(_s), (_d), (_l)-1)
if ((proc.p_flag & P_THREAD) == 0) {
FILL_KPROC(&kp, do_copy_str, &proc, &process, &pcred,
&ucred, &pgrp, p, proc.p_p, &sess, vmp, limp, sap,
0);
/* stuff that's too painful to generalize */
kp.p_pid = process_pid;
kp.p_ppid = parent_pid;
kp.p_sid = leader_pid;
if ((process.ps_flags & PS_CONTROLT) &&
sess.s_ttyp != NULL) {
kp.p_tdev = tty.t_dev;
if (tty.t_pgrp != NULL &&
tty.t_pgrp != process.ps_pgrp &&
KREAD(kd, (u_long)tty.t_pgrp, &pgrp)) {
_kvm_err(kd, kd->program,
"can't read tpgrp at &x",
tty.t_pgrp);
return (-1);
}
kp.p_tpgid = tty.t_pgrp ? pgrp.pg_id : -1;
kp.p_tsess = PTRTOINT64(tty.t_session);
} else {
kp.p_tpgid = -1;
kp.p_tdev = NODEV;
}
memcpy(bp, &kp, esize);
bp += esize;
++cnt;
}
if (!dothreads)
continue;
FILL_KPROC(&kp, do_copy_str, &proc, &process, &pcred, &ucred,
&pgrp, p, proc.p_p, &sess, vmp, limp, sap, 1);
/* stuff that's too painful to generalize into the macros */
kp.p_pid = process_pid;
kp.p_ppid = parent_pid;
kp.p_sid = leader_pid;
if ((process.ps_flags & PS_CONTROLT) && sess.s_ttyp != NULL) {
kp.p_tdev = tty.t_dev;
if (tty.t_pgrp != NULL &&
tty.t_pgrp != process.ps_pgrp &&
KREAD(kd, (u_long)tty.t_pgrp, &pgrp)) {
_kvm_err(kd, kd->program,
"can't read tpgrp at &x", tty.t_pgrp);
return (-1);
}
kp.p_tpgid = tty.t_pgrp ? pgrp.pg_id : -1;
kp.p_tsess = PTRTOINT64(tty.t_session);
} else {
kp.p_tpgid = -1;
kp.p_tdev = NODEV;
}
memcpy(bp, &kp, esize);
bp += esize;
++cnt;
#undef do_copy_str
}
return (cnt);
}
