/*
* check_process_text
* check [process] text (memory)
*
* in : pid
* out : -1 if error
* 0 if no match
* 1 if match
*/
static int
check_process_text(fdOpenInfoRef info, int pid)
{
int status;
int buf_used;
struct proc_regionwithpathinfo rwpi;
if (info->flags & PROC_LISTPIDSPATH_PATH_IS_VOLUME) {
// ask for first memory region that matches mountpoint
buf_used = proc_pidinfo(pid, PROC_PIDREGIONPATHINFO3, info->match_stat.st_dev, &rwpi, sizeof(rwpi));
if (buf_used <= 0) {
if ((errno == ESRCH) || (errno == EINVAL)) {
// if no more text information is available for this process.
return 0;
}
return -1;
} else if (buf_used < sizeof(rwpi)) {
// if we didn't get enough information
return -1;
}
status = check_file(info, &rwpi.prp_vip.vip_vi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
} else {
uint64_t a = 0;
while (1) { // for all memory regions
// processing next address
buf_used = proc_pidinfo(pid, PROC_PIDREGIONPATHINFO2, a, &rwpi, sizeof(rwpi));
if (buf_used <= 0) {
if ((errno == ESRCH) || (errno == EINVAL)) {
// if no more text information is available for this process.
break;
}
return -1;
} else if (buf_used < sizeof(rwpi)) {
// if we didn't get enough information
return -1;
}
status = check_file(info, &rwpi.prp_vip.vip_vi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
a = rwpi.prp_prinfo.pri_address + rwpi.prp_prinfo.pri_size;
}
}
return 0;
}
void slay_impl(pid_t *pids, int n, int sig, pid_t pid, int include_children) {
int i, hit = 0;
DEBUG_V("slay %d with signal %d", pid, sig);
kill(pid, sig);
for (i = 0; i < n; i++) {
struct proc_bsdinfo info;
CHECK(proc_pidinfo(pids[i], PROC_PIDTBSDINFO, 0, &info, sizeof info));
if (info.pbi_pid == pid) {
if (info.pbi_status == SZOMB) {
LOG_V("Not killing PID %d because it's already died (in state 'Z').", pid);
}
else {
LOG_V("Kill PID %d (in state 0x%x) with signal %d", pid, info.pbi_status, sig);
kill(pid, sig);
}
hit = 1;
}
if (include_children && (info.pbi_ppid == pid)) {
if (info.pbi_status == SZOMB) {
LOG_V("Not killing PID %d because it's already died (in state 'Z').", info.pbi_pid);
}
else
slay_impl(pids, n, sig, info.pbi_pid, include_children);
}
}
if (!hit) {
LOG_V("PID %d was missing from the proc list (while sending signal %d)", pid, sig);
}
}
/*
* check_process_text
* check [process] text (memory)
*
* in : pid
* out : -1 if error
* 0 if no match
* 1 if match
*/
static int
check_process_text(fdOpenInfoRef info, int pid)
{
uint64_t a = 0;
int status;
while (1) { // for all memory regions
int buf_used;
struct proc_regionwithpathinfo rwpi;
// processing next address
buf_used = proc_pidinfo(pid, PROC_PIDREGIONPATHINFO, a, &rwpi, sizeof(rwpi));
if (buf_used <= 0) {
if ((errno == ESRCH) || (errno == EINVAL)) {
// if no more text information is available for this process.
break;
}
return -1;
} else if (buf_used < sizeof(rwpi)) {
// if we didn't get enough information
return -1;
}
status = check_file(info, &rwpi.prp_vip.vip_vi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
a = rwpi.prp_prinfo.pri_address + rwpi.prp_prinfo.pri_size;
}
return 0;
}
quint64 UtilObject::processTime() {
static const pid_t pid = qApp->applicationPid();
struct proc_taskinfo info;
if (proc_pidinfo(pid, PROC_PIDTASKINFO, 0, &info, sizeof(info)) < 0)
return 0;
return info.pti_total_user/1000 + info.pti_total_system/1000;
}
void tt_fs_status_dump_ntv(IN tt_u32_t flag)
{
pid_t pid;
int size;
struct proc_fdinfo *fdinfo;
pid = getpid();
size = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, NULL, 0);
if (size <= 0) {
return;
}
fdinfo = (struct proc_fdinfo *)malloc(size);
if (fdinfo == NULL) {
return;
}
size = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, fdinfo, size);
if (size > 0) {
int n, i;
n = size / PROC_PIDLISTFD_SIZE;
for (i = 0; i < n; ++i) {
if (fdinfo[i].proc_fdtype == PROX_FDTYPE_VNODE) {
struct vnode_fdinfowithpath vi;
int vs = proc_pidfdinfo(pid,
fdinfo[i].proc_fd,
PROC_PIDFDVNODEPATHINFO,
&vi,
PROC_PIDFDVNODEPATHINFO_SIZE);
if (vs == PROC_PIDFDVNODEPATHINFO_SIZE) {
tt_printf("%s[fd: %d] [%s]\n",
TT_COND(flag & TT_FS_STATUS_PREFIX,
"<<FS>> ",
""),
fdinfo[i].proc_fd,
vi.pvip.vip_path);
}
}
}
}
free(fdinfo);
}
int
get_proc_threadinfo (pid_t pid, uint64_t thread_handle, struct proc_threadinfo *pth)
{
pth->pth_name[0] = '\0';
int ret = proc_pidinfo (pid, PROC_PIDTHREADINFO, thread_handle,
pth, sizeof (struct proc_threadinfo));
if (ret != 0)
return 1;
else
return 0;
}
void genOpenDescriptors(int pid, descriptor_type type, QueryData& results) {
int bufsize = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, 0, 0);
if (bufsize == -1) {
VLOG(1) << "Could not list descriptors for pid: " << pid;
return;
}
// Allocate structs for each descriptor.
std::vector<proc_fdinfo> fds(bufsize / PROC_PIDLISTFD_SIZE);
proc_pidinfo(pid, PROC_PIDLISTFDS, 0, fds.data(), bufsize);
for (auto fd_info : fds) {
if (type == DESCRIPTORS_TYPE_VNODE &&
fd_info.proc_fdtype == PROX_FDTYPE_VNODE) {
genFileDescriptor(pid, fd_info.proc_fd, results);
} else if (type == DESCRIPTORS_TYPE_SOCKET &&
fd_info.proc_fdtype == PROX_FDTYPE_SOCKET) {
genSocketDescriptor(pid, fd_info.proc_fd, results);
}
}
}
int find_fd_for_pid(pid_t pid, int *fd_list, int max_fd)
{
int count = 0;
int bufferSize = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, 0, 0);
struct stat stat_buf;
if (bufferSize < 0) {
printf("Error :/, cannot proc_pidinfo\n");
return 0;
}
struct proc_fdinfo *procFDInfo = (struct proc_fdinfo *)malloc(bufferSize);
proc_pidinfo(pid, PROC_PIDLISTFDS, 0, procFDInfo, bufferSize);
int numberOfProcFDs = bufferSize / PROC_PIDLISTFD_SIZE;
int i;
for(i = 0; i < numberOfProcFDs; i++) {
if(procFDInfo[i].proc_fdtype == PROX_FDTYPE_VNODE) {
struct vnode_fdinfowithpath vnodeInfo;
proc_pidfdinfo(pid, procFDInfo[i].proc_fd, PROC_PIDFDVNODEPATHINFO, &vnodeInfo, PROC_PIDFDVNODEPATHINFO_SIZE);
if (stat(vnodeInfo.pvip.vip_path, &stat_buf) < 0) {
if (flag_debug)
perror("sstat");
continue;
}
if (!S_ISREG(stat_buf.st_mode) && !S_ISBLK(stat_buf.st_mode))
continue;
if (is_ignored_file(vnodeInfo.pvip.vip_path))
continue;
// OK, we've found a potential interesting file.
fd_list[count++] = procFDInfo[i].proc_fd;
//~ printf("[debug] %s\n",vnodeInfo.pvip.vip_path);
if(count == max_fd)
break;
}
}
return count;
}
inline bool getProcCred(int pid, proc_cred &cred) {
struct proc_bsdshortinfo bsdinfo;
if (proc_pidinfo(pid, PROC_PIDT_SHORTBSDINFO, 0, &bsdinfo, sizeof(bsdinfo)) ==
sizeof(bsdinfo)) {
cred.real.uid = bsdinfo.pbsi_ruid;
cred.real.gid = bsdinfo.pbsi_ruid;
cred.effective.uid = bsdinfo.pbsi_uid;
cred.effective.gid = bsdinfo.pbsi_gid;
return true;
}
return false;
}
inline bool getProcCred(int pid, proc_cred& cred) {
struct proc_bsdinfo bsdinfo;
struct proc_bsdshortinfo bsdinfo_short;
if (proc_pidinfo(pid, PROC_PIDTBSDINFO, 1, &bsdinfo, PROC_PIDTBSDINFO_SIZE) ==
PROC_PIDTBSDINFO_SIZE) {
cred.parent = bsdinfo.pbi_ppid;
cred.group = bsdinfo.pbi_pgid;
cred.status = bsdinfo.pbi_status;
cred.nice = bsdinfo.pbi_nice;
cred.real.uid = bsdinfo.pbi_ruid;
cred.real.gid = bsdinfo.pbi_rgid;
cred.effective.uid = bsdinfo.pbi_uid;
cred.effective.gid = bsdinfo.pbi_gid;
cred.saved.uid = bsdinfo.pbi_svuid;
cred.saved.gid = bsdinfo.pbi_svgid;
return true;
} else if (proc_pidinfo(pid,
PROC_PIDT_SHORTBSDINFO,
1,
&bsdinfo_short,
PROC_PIDT_SHORTBSDINFO_SIZE) ==
PROC_PIDT_SHORTBSDINFO_SIZE) {
cred.parent = bsdinfo_short.pbsi_ppid;
cred.group = bsdinfo_short.pbsi_pgid;
cred.status = bsdinfo_short.pbsi_status;
cred.real.uid = bsdinfo_short.pbsi_ruid;
cred.real.gid = bsdinfo_short.pbsi_rgid;
cred.effective.uid = bsdinfo_short.pbsi_uid;
cred.effective.gid = bsdinfo_short.pbsi_gid;
cred.saved.uid = bsdinfo_short.pbsi_svuid;
cred.saved.gid = bsdinfo_short.pbsi_svgid;
return true;
}
return false;
}
char *
osdep_get_cwd(pid_t pid)
{
static char wd[PATH_MAX];
struct proc_vnodepathinfo pathinfo;
int ret;
ret = proc_pidinfo(
pid, PROC_PIDVNODEPATHINFO, 0, &pathinfo, sizeof pathinfo);
if (ret == sizeof pathinfo) {
strlcpy(wd, pathinfo.pvi_cdir.vip_path, sizeof wd);
return (wd);
}
return (NULL);
}
bool iszombie(pid_t p)
{
int ret;
struct proc_bsdshortinfo bsdinfo;
ret = proc_pidinfo(p, PROC_PIDT_SHORTBSDINFO, 1, &bsdinfo, sizeof(bsdinfo));
if (ret != sizeof(bsdinfo)) {
return false;
}
if (bsdinfo.pbsi_status == SZOMB) {
return true;
} else {
return false;
}
}
char *
osdep_get_name(int fd, __unused char *tty)
{
struct proc_bsdinfo bsdinfo;
pid_t pgrp;
int ret;
if ((pgrp = tcgetpgrp(fd)) == -1)
return (NULL);
ret = proc_pidinfo(pgrp, PROC_PIDTBSDINFO, 0,
&bsdinfo, sizeof bsdinfo);
if (ret == sizeof bsdinfo && *bsdinfo.pbi_comm != '\0')
return (strdup(bsdinfo.pbi_comm));
return (NULL);
}
static void close_all_fds() {
#if HAVE_FDWALK
fdwalk(fdwalker_close, NULL);
#elif defined(linux) || defined(__linux) || defined(__linux__)
char path[PATH_MAX];
DIR *root;
struct dirent *de, *entry;
int size = 0;
snprintf(path, sizeof(path), "/proc/%d/fd", getpid());
#ifdef _PC_NAME_MAX
size = pathconf(path, _PC_NAME_MAX);
#endif
size = MAX(size, PATH_MAX + 128);
de = alloca(size);
close(3); /* hoping opendir uses 3 */
root = opendir(path);
if(!root) return;
while(portable_readdir_r(root, de, &entry) == 0 && entry != NULL) {
if(entry->d_name[0] >= '1' && entry->d_name[0] <= '9') {
int tgt;
tgt = atoi(entry->d_name);
if(tgt != 3) close(tgt);
}
}
close(3);
#elif defined(__MACH__) && defined(__APPLE__)
struct proc_fdinfo files[1024*16];
int rv, i = 0;
rv = proc_pidinfo(getpid(), PROC_PIDLISTFDS, 0, files, sizeof(files));
if(rv > 0 && (rv % sizeof(files[0])) == 0) {
rv /= sizeof(files[0]);
for(i=0;i<rv;i++) {
(void) close(files[i].proc_fd);
}
}
#else
struct rlimit rl;
int i, reasonable_max;
getrlimit(RLIMIT_NOFILE, &rl);
reasonable_max = MIN(1<<14, rl.rlim_max);
for (i = 0; i < reasonable_max; i++)
(void) close(i);
#endif
}
void genProcRootAndCWD(int pid, Row &r) {
r["cwd"] = "";
r["root"] = "";
struct proc_vnodepathinfo pathinfo;
if (proc_pidinfo(
pid, PROC_PIDVNODEPATHINFO, 0, &pathinfo, sizeof(pathinfo)) ==
sizeof(pathinfo)) {
if (pathinfo.pvi_cdir.vip_vi.vi_stat.vst_dev != 0) {
r["cwd"] = std::string(pathinfo.pvi_cdir.vip_path);
}
if (pathinfo.pvi_rdir.vip_vi.vi_stat.vst_dev != 0) {
r["root"] = std::string(pathinfo.pvi_rdir.vip_path);
}
}
}
static int getProcessInfo(RTPROCESS process, struct proc_taskinfo *tinfo)
{
LogAleksey(("getProcessInfo() getting info for %d", process));
int nb = proc_pidinfo(process, PROC_PIDTASKINFO, 0, tinfo, sizeof(*tinfo));
if (nb <= 0)
{
int rc = errno;
Log(("proc_pidinfo() -> %s", strerror(rc)));
return RTErrConvertFromDarwin(rc);
}
else if ((unsigned int)nb < sizeof(*tinfo))
{
Log(("proc_pidinfo() -> too few bytes %d", nb));
return VERR_INTERNAL_ERROR;
}
return VINF_SUCCESS;
}
bool LibProc::GetProcessInfo(ProcessId pid, ProcessInfo &info) {
int res;
struct proc_taskallinfo ti;
res = proc_pidinfo(pid, PROC_PIDTASKALLINFO, 0, &ti, sizeof(ti));
if (res <= 0)
return false;
info.pid = pid;
info.parentPid = ti.pbsd.pbi_ppid;
info.realUid = ti.pbsd.pbi_ruid;
info.effectiveUid = ti.pbsd.pbi_uid;
info.realGid = ti.pbsd.pbi_rgid;
info.effectiveGid = ti.pbsd.pbi_svgid;
info.name = std::string(ti.pbsd.pbi_comm);
return true;
}
/*
* Return process open files as a Python tuple.
* References:
* - lsof source code: http://goo.gl/SYW79 and http://goo.gl/m78fd
* - /usr/include/sys/proc_info.h
*/
static PyObject*
get_process_open_files(PyObject* self, PyObject* args)
{
long pid;
int pidinfo_result;
int iterations;
int i;
int nb;
struct proc_fdinfo *fds_pointer;
struct proc_fdinfo *fdp_pointer;
struct vnode_fdinfowithpath vi;
PyObject *retList = PyList_New(0);
PyObject *tuple = NULL;
if (! PyArg_ParseTuple(args, "l", &pid)) {
return NULL;
}
pidinfo_result = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, NULL, 0);
if (pidinfo_result <= 0) {
goto error;
}
fds_pointer = malloc(pidinfo_result);
pidinfo_result = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, fds_pointer,
pidinfo_result);
free(fds_pointer);
if (pidinfo_result <= 0) {
goto error;
}
iterations = (pidinfo_result / PROC_PIDLISTFD_SIZE);
for (i = 0; i < iterations; i++) {
fdp_pointer = &fds_pointer[i];
//
if (fdp_pointer->proc_fdtype == PROX_FDTYPE_VNODE)
{
nb = proc_pidfdinfo(pid,
fdp_pointer->proc_fd,
PROC_PIDFDVNODEPATHINFO,
&vi,
sizeof(vi));
// --- errors checking
if (nb <= 0) {
if ((errno == ENOENT) || (errno == EBADF)) {
// no such file or directory or bad file descriptor;
// let's assume the file has been closed or removed
continue;
}
if (errno != 0) {
return PyErr_SetFromErrno(PyExc_OSError);
}
else
return PyErr_Format(PyExc_RuntimeError,
"proc_pidinfo(PROC_PIDFDVNODEPATHINFO) failed");
}
if (nb < sizeof(vi)) {
return PyErr_Format(PyExc_RuntimeError,
"proc_pidinfo(PROC_PIDFDVNODEPATHINFO) failed (buffer mismatch)");
}
// --- /errors checking
// --- construct python list
tuple = Py_BuildValue("(si)", vi.pvip.vip_path,
(int)fdp_pointer->proc_fd);
PyList_Append(retList, tuple);
Py_DECREF(tuple);
// --- /construct python list
}
}
return retList;
error:
if (errno != 0) {
return PyErr_SetFromErrno(PyExc_OSError);
}
else if (! pid_exists(pid) ) {
return NoSuchProcess();
}
else {
return PyErr_Format(PyExc_RuntimeError,
"proc_pidinfo(PROC_PIDLISTFDS) failed");
}
}
/*
* Return process TCP and UDP connections as a list of tuples.
* References:
* - lsof source code: http://goo.gl/SYW79 and http://goo.gl/wNrC0
* - /usr/include/sys/proc_info.h
*/
static PyObject*
get_process_connections(PyObject* self, PyObject* args)
{
long pid;
int pidinfo_result;
int iterations;
int i;
int nb;
struct proc_fdinfo *fds_pointer;
struct proc_fdinfo *fdp_pointer;
struct socket_fdinfo si;
PyObject *retList = PyList_New(0);
PyObject *tuple = NULL;
PyObject *laddr = NULL;
PyObject *raddr = NULL;
PyObject *af_filter = NULL;
PyObject *type_filter = NULL;
if (! PyArg_ParseTuple(args, "lOO", &pid, &af_filter, &type_filter)) {
return NULL;
}
if (!PySequence_Check(af_filter) || !PySequence_Check(type_filter)) {
PyErr_SetString(PyExc_TypeError, "arg 2 or 3 is not a sequence");
return NULL;
}
if (pid == 0) {
return retList;
}
pidinfo_result = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, NULL, 0);
if (pidinfo_result <= 0) {
goto error;
}
fds_pointer = malloc(pidinfo_result);
pidinfo_result = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, fds_pointer,
pidinfo_result);
free(fds_pointer);
if (pidinfo_result <= 0) {
goto error;
}
iterations = (pidinfo_result / PROC_PIDLISTFD_SIZE);
for (i = 0; i < iterations; i++) {
errno = 0;
fdp_pointer = &fds_pointer[i];
//
if (fdp_pointer->proc_fdtype == PROX_FDTYPE_SOCKET)
{
nb = proc_pidfdinfo(pid, fdp_pointer->proc_fd, PROC_PIDFDSOCKETINFO,
&si, sizeof(si));
// --- errors checking
if (nb <= 0) {
if (errno == EBADF) {
// let's assume socket has been closed
continue;
}
if (errno != 0) {
return PyErr_SetFromErrno(PyExc_OSError);
}
else {
return PyErr_Format(PyExc_RuntimeError,
"proc_pidinfo(PROC_PIDFDVNODEPATHINFO) failed");
}
}
if (nb < sizeof(si)) {
return PyErr_Format(PyExc_RuntimeError,
"proc_pidinfo(PROC_PIDFDVNODEPATHINFO) failed (buffer mismatch)");
}
// --- /errors checking
//
int fd, family, type, lport, rport;
char lip[200], rip[200];
char *state;
int inseq;
PyObject* _family;
PyObject* _type;
fd = (int)fdp_pointer->proc_fd;
family = si.psi.soi_family;
type = si.psi.soi_kind;
if (type == 2) {
type = SOCK_STREAM;
}
else if (type == 1) {
type = SOCK_DGRAM;
}
else {
continue;
}
// apply filters
_family = PyLong_FromLong((long)family);
inseq = PySequence_Contains(af_filter, _family);
Py_DECREF(_family);
if (inseq == 0) {
continue;
}
_type = PyLong_FromLong((long)type);
inseq = PySequence_Contains(type_filter, _type);
Py_DECREF(_type);
if (inseq == 0) {
continue;
}
if (errno != 0) {
return PyErr_SetFromErrno(PyExc_OSError);
}
if (family == AF_INET) {
inet_ntop(AF_INET,
&si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_laddr.ina_46.i46a_addr4,
lip,
sizeof(lip));
inet_ntop(AF_INET,
&si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_faddr.ina_46.i46a_addr4,
rip,
sizeof(lip));
}
else {
inet_ntop(AF_INET6,
&si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_laddr.ina_6,
lip, sizeof(lip));
inet_ntop(AF_INET6,
&si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_faddr.ina_6,
lip, sizeof(rip));
}
// check for inet_ntop failures
if (errno != 0) {
return PyErr_SetFromErrno(PyExc_OSError);
}
lport = ntohs(si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_lport);
rport = ntohs(si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_fport);
if (type == SOCK_STREAM) {
state = get_connection_status((int)si.psi.soi_proto.pri_tcp.tcpsi_state);
}
else {
state = "";
}
laddr = Py_BuildValue("(si)", lip, lport);
if (rport != 0) {
raddr = Py_BuildValue("(si)", rip, rport);
}
else {
raddr = PyTuple_New(0);
}
// --- construct python list
tuple = Py_BuildValue("(iiiNNs)", fd, family, type, laddr, raddr,
state);
PyList_Append(retList, tuple);
Py_DECREF(tuple);
// --- /construct python list
}
}
return retList;
error:
if (errno != 0) {
return PyErr_SetFromErrno(PyExc_OSError);
}
else if (! pid_exists(pid) ) {
return NoSuchProcess();
}
else {
return PyErr_Format(PyExc_RuntimeError,
"proc_pidinfo(PROC_PIDLISTFDS) failed");
}
}
/*
* check_process_fds
* check [process] open file descriptors
*
* in : pid
* out : -1 if error
* 0 if no match
* 1 if match
*/
static int
check_process_fds(fdOpenInfoRef info, int pid)
{
int buf_used;
int i;
int status;
// get list of open file descriptors
buf_used = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, NULL, 0);
if (buf_used <= 0) {
return -1;
}
while (1) {
if (buf_used > info->fds_size) {
// if we need to allocate [more] space
while (buf_used > info->fds_size) {
info->fds_size += (sizeof(struct proc_fdinfo) * 32);
}
if (info->fds == NULL) {
info->fds = malloc(info->fds_size);
} else {
info->fds = reallocf(info->fds, info->fds_size);
}
if (info->fds == NULL) {
return -1;
}
}
buf_used = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, info->fds, (int)info->fds_size);
if (buf_used <= 0) {
return -1;
}
if ((buf_used + sizeof(struct proc_fdinfo)) >= info->fds_size) {
// if not enough room in the buffer for an extra fd
buf_used = (int)(info->fds_size + sizeof(struct proc_fdinfo));
continue;
}
info->fds_count = (int)(buf_used / sizeof(struct proc_fdinfo));
break;
}
// iterate through each file descriptor
for (i = 0; i < info->fds_count; i++) {
struct proc_fdinfo *fdp;
fdp = &info->fds[i];
switch (fdp->proc_fdtype) {
case PROX_FDTYPE_VNODE : {
int buf_used;
struct vnode_fdinfo vi;
buf_used = proc_pidfdinfo(pid, fdp->proc_fd, PROC_PIDFDVNODEINFO, &vi, sizeof(vi));
if (buf_used <= 0) {
if (errno == ENOENT) {
/*
* The file descriptor's vnode may have been revoked. This is a
* bit of a hack, since an ENOENT error might not always mean the
* descriptor's vnode has been revoked. As the libproc API
* matures, this code may need to be revisited.
*/
continue;
}
return -1;
} else if (buf_used < sizeof(vi)) {
// if we didn't get enough information
return -1;
}
if ((info->flags & PROC_LISTPIDSPATH_EXCLUDE_EVTONLY) &&
(vi.pfi.fi_openflags & O_EVTONLY)) {
// if this file should be excluded
continue;
}
status = check_file(info, &vi.pvi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
break;
}
default :
break;
}
}
return 0;
}
/*
* check_process_threads
* check [process] thread working directories
*
* in : pid
* out : -1 if error
* 0 if no match
* 1 if match
*/
static int
check_process_threads(fdOpenInfoRef info, int pid)
{
int buf_used;
int status;
struct proc_taskallinfo tai;
buf_used = proc_pidinfo(pid, PROC_PIDTASKALLINFO, 0, &tai, sizeof(tai));
if (buf_used <= 0) {
if (errno == ESRCH) {
// if the process is gone
return 0;
}
return -1;
} else if (buf_used < sizeof(tai)) {
// if we didn't get enough information
return -1;
}
// check thread info
if (tai.pbsd.pbi_flags & PROC_FLAG_THCWD) {
int i;
// get list of threads
buf_used = tai.ptinfo.pti_threadnum * sizeof(uint64_t);
while (1) {
if (buf_used > info->thr_size) {
// if we need to allocate [more] space
while (buf_used > info->thr_size) {
info->thr_size += (sizeof(uint64_t) * 32);
}
if (info->threads == NULL) {
info->threads = malloc(info->thr_size);
} else {
info->threads = reallocf(info->threads, info->thr_size);
}
if (info->threads == NULL) {
return -1;
}
}
buf_used = proc_pidinfo(pid, PROC_PIDLISTTHREADS, 0, info->threads, (int)info->thr_size);
if (buf_used <= 0) {
return -1;
}
if ((buf_used + sizeof(uint64_t)) >= info->thr_size) {
// if not enough room in the buffer for an extra thread
buf_used = (int)(info->thr_size + sizeof(uint64_t));
continue;
}
info->thr_count = buf_used / sizeof(uint64_t);
break;
}
// iterate through each thread
for (i = 0; i < info->thr_count; i++) {
uint64_t thr = info->threads[i];
struct proc_threadwithpathinfo tpi;
buf_used = proc_pidinfo(pid, PROC_PIDTHREADPATHINFO, thr, &tpi, sizeof(tpi));
if (buf_used <= 0) {
if ((errno == ESRCH) || (errno == EINVAL)) {
// if the process or thread is gone
continue;
}
} else if (buf_used < sizeof(tai)) {
// if we didn't get enough information
return -1;
}
status = check_file(info, &tpi.pvip.vip_vi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
}
}
return 0;
}
QueryData genProcesses(QueryContext& context) {
QueryData results;
// Initialize time conversions.
static mach_timebase_info_data_t time_base;
if (time_base.denom == 0) {
mach_timebase_info(&time_base);
}
auto pidlist = getProcList(context);
int argmax = genMaxArgs();
for (auto& pid : pidlist) {
Row r;
r["pid"] = INTEGER(pid);
{
// The command line invocation including arguments.
auto args = getProcRawArgs(pid, argmax);
std::string cmdline = boost::algorithm::join(args.args, " ");
r["cmdline"] = cmdline;
}
// The process relative root and current working directory.
genProcRootAndCWD(pid, r);
proc_cred cred;
if (getProcCred(pid, cred)) {
r["parent"] = BIGINT(cred.parent);
r["pgroup"] = BIGINT(cred.group);
// check if process state is one of the expected ones
r["state"] = (1 <= cred.status && cred.status <= 5)
? TEXT(kProcessStateMapping[cred.status])
: TEXT('?');
r["nice"] = INTEGER(cred.nice);
r["uid"] = BIGINT(cred.real.uid);
r["gid"] = BIGINT(cred.real.gid);
r["euid"] = BIGINT(cred.effective.uid);
r["egid"] = BIGINT(cred.effective.gid);
r["suid"] = BIGINT(cred.saved.uid);
r["sgid"] = BIGINT(cred.saved.gid);
} else {
continue;
}
// If the process is not a Zombie, try to find the path and name.
if (cred.status != 5) {
r["path"] = getProcPath(pid);
// OS X proc_name only returns 16 bytes, use the basename of the path.
r["name"] = fs::path(r["path"]).filename().string();
} else {
r["path"] = "";
std::vector<char> name(17);
proc_name(pid, name.data(), 16);
r["name"] = std::string(name.data());
}
// If the path of the executable that started the process is available and
// the path exists on disk, set on_disk to 1. If the path is not
// available, set on_disk to -1. If, and only if, the path of the
// executable is available and the file does NOT exist on disk, set on_disk
// to 0.
if (r["path"].empty()) {
r["on_disk"] = INTEGER(-1);
} else if (pathExists(r["path"])) {
r["on_disk"] = INTEGER(1);
} else {
r["on_disk"] = INTEGER(0);
}
// systems usage and time information
struct rusage_info_v2 rusage_info_data;
int status =
proc_pid_rusage(pid, RUSAGE_INFO_V2, (rusage_info_t*)&rusage_info_data);
// proc_pid_rusage returns -1 if it was unable to gather information
if (status == 0) {
// size/memory information
r["wired_size"] = TEXT(rusage_info_data.ri_wired_size);
r["resident_size"] = TEXT(rusage_info_data.ri_resident_size);
r["total_size"] = TEXT(rusage_info_data.ri_phys_footprint);
// time information
r["user_time"] = TEXT(rusage_info_data.ri_user_time / CPU_TIME_RATIO);
r["system_time"] = TEXT(rusage_info_data.ri_system_time / CPU_TIME_RATIO);
// Convert the time in CPU ticks since boot to seconds.
// This is relative to time not-sleeping since boot.
r["start_time"] =
TEXT((rusage_info_data.ri_proc_start_abstime / START_TIME_RATIO) *
time_base.numer / time_base.denom);
} else {
r["wired_size"] = "-1";
r["resident_size"] = "-1";
r["total_size"] = "-1";
r["user_time"] = "-1";
r["system_time"] = "-1";
r["start_time"] = "-1";
}
struct proc_taskinfo task_info;
status =
proc_pidinfo(pid, PROC_PIDTASKINFO, 0, &task_info, sizeof(task_info));
if (status == sizeof(task_info)) {
r["threads"] = INTEGER(task_info.pti_threadnum);
} else {
r["threads"] = "-1";
}
results.push_back(r);
}
return results;
}
/**
* Read all processes to initialize the information tree.
* @param reference reference of ProcessTree
* @param pflags Process engine flags
* @return treesize > 0 if succeeded otherwise 0
*/
int initprocesstree_sysdep(ProcessTree_T **reference, ProcessEngine_Flags pflags) {
size_t pinfo_size = 0;
int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0};
if (sysctl(mib, 4, NULL, &pinfo_size, NULL, 0) < 0) {
LogError("system statistic error -- sysctl failed: %s\n", STRERROR);
return 0;
}
struct kinfo_proc *pinfo = CALLOC(1, pinfo_size);
if (sysctl(mib, 4, pinfo, &pinfo_size, NULL, 0)) {
FREE(pinfo);
LogError("system statistic error -- sysctl failed: %s\n", STRERROR);
return 0;
}
size_t treesize = pinfo_size / sizeof(struct kinfo_proc);
ProcessTree_T *pt = CALLOC(sizeof(ProcessTree_T), treesize);
char *args = NULL;
StringBuffer_T cmdline = NULL;
if (pflags & ProcessEngine_CollectCommandLine) {
cmdline = StringBuffer_create(64);
args = CALLOC(1, systeminfo.argmax + 1);
}
for (int i = 0; i < treesize; i++) {
pt[i].uptime = systeminfo.time / 10. - pinfo[i].kp_proc.p_starttime.tv_sec;
pt[i].zombie = pinfo[i].kp_proc.p_stat == SZOMB ? true : false;
pt[i].pid = pinfo[i].kp_proc.p_pid;
pt[i].ppid = pinfo[i].kp_eproc.e_ppid;
pt[i].cred.uid = pinfo[i].kp_eproc.e_pcred.p_ruid;
pt[i].cred.euid = pinfo[i].kp_eproc.e_ucred.cr_uid;
pt[i].cred.gid = pinfo[i].kp_eproc.e_pcred.p_rgid;
if (pflags & ProcessEngine_CollectCommandLine) {
size_t size = systeminfo.argmax;
mib[0] = CTL_KERN;
mib[1] = KERN_PROCARGS2;
mib[2] = pt[i].pid;
if (sysctl(mib, 3, args, &size, NULL, 0) != -1) {
/* KERN_PROCARGS2 sysctl() returns following pseudo structure:
* struct {
* int argc
* char execname[];
* char argv[argc][];
* char env[][];
* }
* The strings are terminated with '\0' and may have variable '\0' padding
*/
int argc = *args;
char *p = args + sizeof(int); // arguments beginning
StringBuffer_clear(cmdline);
p += strlen(p); // skip exename
while (argc && p < args + systeminfo.argmax) {
if (*p == 0) { // skip terminating 0 and variable length 0 padding
p++;
continue;
}
StringBuffer_append(cmdline, argc-- ? "%s " : "%s", p);
p += strlen(p);
}
if (StringBuffer_length(cmdline))
pt[i].cmdline = Str_dup(StringBuffer_toString(StringBuffer_trim(cmdline)));
}
if (! pt[i].cmdline || ! *pt[i].cmdline) {
FREE(pt[i].cmdline);
pt[i].cmdline = Str_dup(pinfo[i].kp_proc.p_comm);
}
}
if (! pt[i].zombie) {
struct proc_taskinfo tinfo;
int rv = proc_pidinfo(pt[i].pid, PROC_PIDTASKINFO, 0, &tinfo, sizeof(tinfo)); // If the process is zombie, skip this
if (rv <= 0) {
if (errno != EPERM)
DEBUG("proc_pidinfo for pid %d failed -- %s\n", pt[i].pid, STRERROR);
} else if (rv < sizeof(tinfo)) {
LogError("proc_pidinfo for pid %d -- invalid result size\n", pt[i].pid);
} else {
pt[i].memory.usage = (uint64_t)tinfo.pti_resident_size;
pt[i].cpu.time = (double)(tinfo.pti_total_user + tinfo.pti_total_system) / 100000000.; // The time is in nanoseconds, we store it as 1/10s
pt[i].threads = tinfo.pti_threadnum;
}
}
}
if (pflags & ProcessEngine_CollectCommandLine) {
StringBuffer_free(&cmdline);
FREE(args);
}
FREE(pinfo);
*reference = pt;
return (int)treesize;
}
JNIEXPORT jlong JNICALL
Java_com_sun_management_UnixOperatingSystem_getOpenFileDescriptorCount
(JNIEnv *env, jobject mbean)
{
#ifdef __APPLE__
// This code is influenced by the darwin lsof source
pid_t my_pid;
struct proc_bsdinfo bsdinfo;
struct proc_fdinfo *fds;
int nfiles;
kern_return_t kres;
int res;
size_t fds_size;
kres = pid_for_task(mach_task_self(), &my_pid);
if (res != KERN_SUCCESS) {
throw_internal_error(env, "pid_for_task failed");
return -1;
}
// get the maximum number of file descriptors
res = proc_pidinfo(my_pid, PROC_PIDTBSDINFO, 0, &bsdinfo, PROC_PIDTBSDINFO_SIZE);
if (res <= 0) {
throw_internal_error(env, "proc_pidinfo with PROC_PIDTBSDINFO failed");
return -1;
}
// allocate memory to hold the fd information (we don't acutally use this information
// but need it to get the number of open files)
fds_size = bsdinfo.pbi_nfiles * sizeof(struct proc_fdinfo);
fds = malloc(fds_size);
if (fds == NULL) {
JNU_ThrowOutOfMemoryError(env, "could not allocate space for file descriptors");
return -1;
}
// get the list of open files - the return value is the number of bytes
// proc_pidinfo filled in
res = proc_pidinfo(my_pid, PROC_PIDLISTFDS, 0, fds, fds_size);
if (res <= 0) {
free(fds);
throw_internal_error(env, "proc_pidinfo failed for PROC_PIDLISTFDS");
return -1;
}
nfiles = res / sizeof(struct proc_fdinfo);
free(fds);
return nfiles;
#elif defined(_ALLBSD_SOURCE)
/*
* XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
*/
// throw_internal_error(env, "Unimplemented in FreeBSD");
return (100);
#else /* solaris/linux */
DIR *dirp;
struct dirent dbuf;
struct dirent* dentp;
jlong fds = 0;
dirp = opendir("/proc/self/fd");
if (dirp == NULL) {
throw_internal_error(env, "Unable to open directory /proc/self/fd");
return -1;
}
// iterate through directory entries, skipping '.' and '..'
// each entry represents an open file descriptor.
while ((dentp = read_dir(dirp, &dbuf)) != NULL) {
if (isdigit(dentp->d_name[0])) {
fds++;
}
}
closedir(dirp);
// subtract by 1 which was the fd open for this implementation
return (fds - 1);
#endif
}
int
netsnmp_arch_swrun_container_load( netsnmp_container *container, u_int flags)
{
int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL};
size_t buf_size, mib_size = sizeof(mib)/sizeof(mib[0]);
struct kinfo_proc *processes = NULL;
struct proc_taskallinfo taskinfo;
netsnmp_swrun_entry *entry;
int rc, num_entries, i;
DEBUGMSGTL(("swrun:load:arch"," load\n"));
/*
* get size to allocate. This introduces a bit of a race condition,
* as the size could change between this call and the next...
*/
rc = sysctl(mib, mib_size, NULL, &buf_size, NULL, 0);
if (rc < 0) {
snmp_log(LOG_ERR, "KERN_PROC_ALL size sysctl failed: %d\n", rc);
return -1;
}
processes = (struct kinfo_proc*) malloc(buf_size);
if (NULL == processes) {
snmp_log(LOG_ERR, "malloc failed\n");
return -1;
}
rc = sysctl(mib, mib_size, processes, &buf_size, NULL, 0);
if (rc < 0) {
snmp_log(LOG_ERR, "KERN_PROC_ALL sysctl failed: %d\n", rc);
free(processes);
return -1;
}
num_entries = buf_size / sizeof(struct kinfo_proc);
for (i = 0; i < num_entries; i++) {
/*
* skip empty names.
* p_stat = (SIDL|SRUN|SSLEEP|SSTOP|SZOMB)
*/
if (('\0' == processes[i].kp_proc.p_comm[0]) ||
(0 == processes[i].kp_proc.p_pid)) {
DEBUGMSGTL(("swrun:load:arch",
" skipping p_comm '%s', pid %5d, p_pstat %d\n",
processes[i].kp_proc.p_comm ?
processes[i].kp_proc.p_comm : "NULL",
processes[i].kp_proc.p_pid,
processes[i].kp_proc.p_stat));
continue;
}
DEBUGMSGTL(("swrun:load:arch"," %s pid %5d\n",
processes[i].kp_proc.p_comm,
processes[i].kp_proc.p_pid));
entry = netsnmp_swrun_entry_create(processes[i].kp_proc.p_pid);
if (NULL == entry)
continue; /* error already logged by function */
rc = CONTAINER_INSERT(container, entry);
/*
* p_comm is a partial name, but it is all we have at this point.
*/
entry->hrSWRunName_len = snprintf(entry->hrSWRunName,
sizeof(entry->hrSWRunName)-1,
"%s", processes[i].kp_proc.p_comm);
/** sysctl for name, path, params */
rc = _set_command_name(entry);
/*
* map p_stat to RunStatus. Odd that there is no 'running' status.
*/
switch(processes[i].kp_proc.p_stat) {
case SRUN:
entry->hrSWRunStatus = HRSWRUNSTATUS_RUNNABLE;
break;
case SSLEEP:
case SSTOP:
entry->hrSWRunStatus = HRSWRUNSTATUS_NOTRUNNABLE;
break;
case SIDL:
case SZOMB:
default:
entry->hrSWRunStatus = HRSWRUNSTATUS_INVALID;
break;
}
/*
* check for system processes
*/
if (P_SYSTEM & processes[i].kp_proc.p_flag) {
entry->hrSWRunType = HRSWRUNTYPE_OPERATINGSYSTEM;
DEBUGMSGTL(("swrun:load:arch", SWRUNINDENT "SYSTEM\n"));
}
else entry->hrSWRunType = HRSWRUNTYPE_APPLICATION;
/*
* get mem size, run time
*/
rc = proc_pidinfo( processes[i].kp_proc.p_pid, PROC_PIDTASKALLINFO, 0,
&taskinfo, sizeof(taskinfo));
if (sizeof(taskinfo) != rc) {
DEBUGMSGTL(("swrun:load:arch", " proc_pidinfo returned %d\n", rc));
}
else {
uint64_t task_mem = taskinfo.ptinfo.pti_resident_size / 1024;
union {
u_quad_t uq; /* u_int64_t */
UnsignedWide uw; /* struct u_int32_t hi/lo */
} at, ns;
at.uq = taskinfo.ptinfo.pti_total_user +
taskinfo.ptinfo.pti_total_system;
ns = at;
ns.uq = ns.uq / 10000000LL; /* nano to deci */
if (task_mem > INT32_MAX) {
DEBUGMSGTL(("swrun:load:arch", SWRUNINDENT "mem overflow\n"));
task_mem = INT32_MAX;
}
if (ns.uq > INT32_MAX) {
DEBUGMSGTL(("swrun:load:arch", SWRUNINDENT "time overflow\n"));
ns.uq = INT32_MAX;
}
entry->hrSWRunPerfMem = task_mem;
entry->hrSWRunPerfCPU = ns.uq;
}
}
free(processes);
DEBUGMSGTL(("swrun:load:arch"," loaded %d entries\n",
(int)CONTAINER_SIZE(container)));
return 0;
}
/*
* check_process_vnodes
* check [process] current working directory
* check [process] root directory
*
* in : pid
* out : -1 if error
* 0 if no match
* 1 if match
*/
static int
check_process_vnodes(fdOpenInfoRef info, int pid)
{
int buf_used;
int status;
struct proc_vnodepathinfo vpi;
buf_used = proc_pidinfo(pid, PROC_PIDVNODEPATHINFO, 0, &vpi, sizeof(vpi));
if (buf_used <= 0) {
if (errno == ESRCH) {
// if the process is gone
return 0;
}
return -1;
} else if (buf_used < sizeof(vpi)) {
// if we didn't get enough information
return -1;
}
// processing current working directory
status = check_file(info, &vpi.pvi_cdir.vip_vi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
// processing root directory
status = check_file(info, &vpi.pvi_rdir.vip_vi.vi_stat);
if (status != 0) {
// if error or match
return status;
}
return 0;
}
