static uint64_t
get_zone_cap(zoneid_t zid)
{
rctlblk_t *rblk;
uint64_t mcap;
struct ps_prochandle *pr;
if ((rblk = (rctlblk_t *)malloc(rctlblk_size())) == NULL)
return (UINT64_MAX);
if ((pr = grab_zone_proc(zid)) == NULL) {
free(rblk);
return (UINT64_MAX);
}
if (pr_getrctl(pr, "zone.max-physical-memory", NULL, rblk,
RCTL_FIRST)) {
Pdestroy_agent(pr);
Prelease(pr, 0);
free(rblk);
return (UINT64_MAX);
}
Pdestroy_agent(pr);
Prelease(pr, 0);
mcap = rctlblk_get_value(rblk);
free(rblk);
return (mcap);
}
static struct ps_prochandle *
grab_zone_proc(zoneid_t zid)
{
DIR *dirp;
struct dirent *dentp;
int pid, pid_self, tmp;
psinfo_t psinfo;
struct ps_prochandle *pr = NULL;
pid_self = getpid();
if ((dirp = opendir("/proc")) == NULL)
return (NULL);
while (dentp = readdir(dirp)) {
pid = atoi(dentp->d_name);
/* Skip self */
if (pid == pid_self)
continue;
if (proc_get_psinfo(pid, &psinfo) != 0)
continue;
if (psinfo.pr_zoneid != zid)
continue;
/* attempt to grab process */
if ((pr = Pgrab(pid, 0, &tmp)) != NULL) {
if (Psetflags(pr, PR_RLC) != 0) {
Prelease(pr, 0);
}
if (Pcreate_agent(pr) == 0) {
if (pr_getzoneid(pr) != zid) {
Prelease(pr, 0);
continue;
}
(void) closedir(dirp);
return (pr);
} else {
Prelease(pr, 0);
}
}
}
(void) closedir(dirp);
return (NULL);
}
/*
* Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal
* Method: detach0
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_detach0
(JNIEnv *env, jobject this_obj) {
struct ps_prochandle* ph = get_proc_handle(env, this_obj);
if (ph != NULL) {
Prelease(ph);
}
}
/*ARGSUSED*/
void
la_activity(uintptr_t *cookie, uint_t flags)
{
struct ps_prochandle *P;
int err, ret;
GElf_Sym sym;
if (flags != LA_ACT_CONSISTENT)
return;
while (list != NULL) {
obj_list_t *node = list;
char *name = node->ol_name;
list = node->ol_next;
P = Pgrab(getpid(), PGRAB_RDONLY, &err);
ret = Plookup_by_name(P, name, "___SUNW_dof", &sym);
Prelease(P, 0);
if (ret == 0) {
dtrace_link_dof((void *)(uintptr_t)sym.st_value,
node->ol_lmid, node->ol_name, node->ol_addr);
}
free(node->ol_name);
free(node);
}
}
/*PRINTFLIKE3*/
static struct ps_prochandle *
dt_proc_error(dtrace_hdl_t *dtp, dt_proc_t *dpr, const char *format, ...)
{
va_list ap;
va_start(ap, format);
dt_set_errmsg(dtp, NULL, NULL, NULL, 0, format, ap);
va_end(ap);
if (dpr->dpr_proc != NULL)
Prelease(dpr->dpr_proc, 0);
dt_free(dtp, dpr);
(void) dt_set_errno(dtp, EDT_COMPILER);
return (NULL);
}
// attach to the process. One and only one exposed stuff
struct ps_prochandle* Pgrab(pid_t pid, char* err_buf, size_t err_buf_len) {
struct ps_prochandle* ph = NULL;
thread_info* thr = NULL;
if ( (ph = (struct ps_prochandle*) calloc(1, sizeof(struct ps_prochandle))) == NULL) {
snprintf(err_buf, err_buf_len, "can't allocate memory for ps_prochandle");
print_debug("%s\n", err_buf);
return NULL;
}
if (ptrace_attach(pid, err_buf, err_buf_len) != true) {
free(ph);
return NULL;
}
// initialize ps_prochandle
ph->pid = pid;
// initialize vtable
ph->ops = &process_ops;
// read library info and symbol tables, must do this before attaching threads,
// as the symbols in the pthread library will be used to figure out
// the list of threads within the same process.
read_lib_info(ph);
// read thread info
read_thread_info(ph, add_new_thread);
// attach to the threads
thr = ph->threads;
while (thr) {
// don't attach to the main thread again
if (ph->pid != thr->lwp_id && ptrace_attach(thr->lwp_id, err_buf, err_buf_len) != true) {
// even if one attach fails, we get return NULL
Prelease(ph);
return NULL;
}
thr = thr->next;
}
return ph;
}
static int
ptime_pid(const char *pidstr)
{
struct ps_prochandle *Pr;
pid_t pid;
int gret;
if ((Pr = proc_arg_grab(pidstr, PR_ARG_PIDS,
Fflag | PGRAB_RDONLY, &gret)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, pidstr, Pgrab_error(gret));
return (1);
}
pid = Pstatus(Pr)->pr_pid;
(void) sprintf(procname, "%d", (int)pid); /* for perr() */
(void) look(pid);
Prelease(Pr, 0);
return (0);
}
/*
* Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal
* Method: detach0
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_detach0
(JNIEnv *env, jobject this_obj) {
jlong ps_prochandle_ptr;
ps_prochandle_ptr = env->GetLongField(this_obj, ps_prochandle_ptr_ID);
if(ps_prochandle_ptr != 0L)
Prelease((struct ps_prochandle*) ps_prochandle_ptr, PRELEASE_CLEAR);
// release libthread.so
void* tdb_handle = (void*) env->GetLongField(this_obj, tdb_handle_ID);
if (tdb_handle != 0)
dlclose(tdb_handle);
// Part of workaround for 4705086.
// get libjvm[_g].so file descriptor and close it.
int libjvm_fd = env->GetIntField(this_obj, libjvm_fd_ID);
if (libjvm_fd != -1)
close(libjvm_fd);
}
static void detach_internal(JNIEnv* env, jobject this_obj) {
// clear libthread_db stuff
clear_libthread_db_ptrs(env, this_obj);
// release ptr to ps_prochandle
jlong p_ps_prochandle;
p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID);
if (p_ps_prochandle != 0L) {
Prelease((struct ps_prochandle*) p_ps_prochandle, PRELEASE_CLEAR);
}
// part of the class sharing workaround
int classes_jsa_fd = env->GetIntField(this_obj, classes_jsa_fd_ID);
if (classes_jsa_fd != -1) {
close(classes_jsa_fd);
struct FileMapHeader* pheader = (struct FileMapHeader*) env->GetLongField(this_obj, p_file_map_header_ID);
if (pheader != NULL) {
free(pheader);
}
}
}
int
main(int argc, char **argv)
{
struct ps_prochandle *P;
int gerr;
char *prefix = NULL;
int opt;
int opt_p = 0, opt_g = 0, opt_c = 0;
int oflags = 0;
int i;
char fname[MAXPATHLEN];
char path[MAXPATHLEN];
int err = 0;
core_content_t content = CC_CONTENT_DEFAULT;
struct rlimit rlim;
if ((pname = strrchr(argv[0], '/')) == NULL)
pname = argv[0];
else
argv[0] = ++pname; /* for getopt() */
while ((opt = getopt(argc, argv, "o:Fgpc:")) != EOF) {
switch (opt) {
case 'o':
prefix = optarg;
break;
case 'c':
if (proc_str2content(optarg, &content) != 0) {
(void) fprintf(stderr, "%s: invalid "
"content string '%s'\n", pname, optarg);
goto usage;
}
opt_c = 1;
break;
case 'F':
oflags |= PGRAB_FORCE;
break;
case 'p':
opt_p = 1;
break;
case 'g':
opt_g = 1;
break;
default:
goto usage;
}
}
if ((opt_p | opt_g) == 0) {
if (prefix == NULL)
prefix = "core";
} else {
int options;
if ((options = core_get_options()) == -1) {
perror("core_get_options()");
return (1);
}
if (opt_p && !(options & CC_PROCESS_PATH)) {
(void) fprintf(stderr, "%s: per-process core dumps "
"are disabled (ignoring -p)\n", pname);
opt_p = 0;
}
if (opt_g && !(options & CC_GLOBAL_PATH)) {
(void) fprintf(stderr, "%s: global core dumps "
"are disabled (ignoring -g)\n", pname);
opt_g = 0;
}
if ((opt_p | opt_g) == 0 && prefix == NULL)
return (1);
}
argc -= optind;
argv += optind;
if (argc == 0)
goto usage;
/*
* Make sure we'll have enough file descriptors to handle a target
* that has many many mappings.
*/
if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) {
rlim.rlim_cur = rlim.rlim_max;
(void) setrlimit(RLIMIT_NOFILE, &rlim);
(void) enable_extended_FILE_stdio(-1, -1);
}
for (i = 0; i < argc; i++) {
P = proc_arg_grab(argv[i], PR_ARG_PIDS, oflags, &gerr);
if (P == NULL) {
(void) fprintf(stderr, "%s: cannot grab %s: %s\n",
pname, argv[i], Pgrab_error(gerr));
err++;
continue;
}
if (prefix != NULL) {
(void) snprintf(path, sizeof (path), "%s.%%p", prefix);
convert_path(path, fname, sizeof (fname), P);
gcore(P, fname, content, &err);
}
if (opt_p) {
pid_t pid = Pstatus(P)->pr_pid;
(void) core_get_process_path(path, sizeof (path), pid);
convert_path(path, fname, sizeof (fname), P);
if (!opt_c)
(void) core_get_process_content(&content, pid);
gcore(P, fname, content, &err);
}
if (opt_g) {
/*
* Global core files are always just readable and
* writable by their owner so we temporarily change
* the umask.
*/
mode_t oldmode = umask(S_IXUSR | S_IRWXG | S_IRWXO);
(void) core_get_global_path(path, sizeof (path));
convert_path(path, fname, sizeof (fname), P);
if (!opt_c)
(void) core_get_global_content(&content);
gcore(P, fname, content, &err);
(void) umask(oldmode);
}
Prelease(P, 0);
}
return (err != 0);
usage:
(void) fprintf(stderr, "usage: %s "
"[ -pgF ] [ -o filename ] [ -c content ] pid ...\n", pname);
return (2);
}
/*
* Force the parent process (ppid) to wait for its child process (pid).
*/
static int
reap(char *arg, pid_t *reap_pid, int *exit_status)
{
struct ps_prochandle *Pr;
siginfo_t siginfo;
psinfo_t psinfo;
prusage_t usage;
pid_t pid, ppid;
time_t elapsed;
int gret;
/*
* get the specified pid and the psinfo struct
*/
if ((pid = proc_arg_psinfo(arg, PR_ARG_PIDS, &psinfo, &gret)) == -1) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gret));
return (1);
}
if (psinfo.pr_nlwp != 0) {
(void) fprintf(stderr, "%s: process not defunct: %d\n",
command, (int)pid);
return (1);
}
*exit_status = psinfo.pr_wstat;
*reap_pid = psinfo.pr_pid;
ppid = psinfo.pr_ppid;
if (ppid == 1) {
(void) fprintf(stderr, "%s: Failed to reap %d: the only "
"non-defunct ancestor is 'init'\n", command,
(int)pid);
return (1);
}
if (proc_usage(pid, &usage, &gret) == 0) {
elapsed = usage.pr_tstamp.tv_sec - usage.pr_term.tv_sec;
} else {
(void) fprintf(stderr, "%s: cannot examine %d: %s\n",
command, (int)pid, Pgrab_error(gret));
return (1);
}
if ((Fflag == 0) && (elapsed < NOREAP_TIME)) {
(void) fprintf(stderr, "%s: unsafe to reap %d; it has been "
"defunct less than %d seconds\n", command, (int)pid,
NOREAP_TIME);
return (1);
}
if ((Pr = Pgrab(ppid, Fflag | PGRAB_NOSTOP, &gret)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %d: %s\n", command,
(int)ppid, Pgrab_error(gret));
return (1);
}
if ((Fflag == 0) && (Pstate(Pr) == PS_STOP)) {
Prelease(Pr, 0);
(void) fprintf(stderr, "%s: unsafe to reap %d; parent is "
"stopped and may reap status upon restart\n", command,
(int)pid);
return (1);
}
/*
* Pstop() will fail if the process to be stopped has become a zombie.
* This means that we can say with certainty that the child of this
* process has not changed parents (i.e. been reparented to init) once
* the Pstop() succeeds.
*/
if (Pstop(Pr, 1000) != 0) {
Prelease(Pr, 0);
(void) fprintf(stderr, "%s: failed to stop %d: %s", command,
(int)ppid, strerror(errno));
return (1);
}
if (pr_waitid(Pr, P_PID, pid, &siginfo, WEXITED|WNOHANG) != 0) {
Prelease(Pr, 0);
(void) fprintf(stderr, "%s: waitid() in process %d failed: %s",
command, (int)ppid, strerror(errno));
return (1);
}
Prelease(Pr, 0);
return (0);
}
// the one and only one exposed stuff from this file
struct ps_prochandle* Pgrab_core(const char* exec_file, const char* core_file) {
ELF_EHDR core_ehdr;
ELF_EHDR exec_ehdr;
ELF_EHDR lib_ehdr;
struct ps_prochandle* ph = (struct ps_prochandle*) calloc(1, sizeof(struct ps_prochandle));
if (ph == NULL) {
print_debug("can't allocate ps_prochandle\n");
return NULL;
}
if ((ph->core = (struct core_data*) calloc(1, sizeof(struct core_data))) == NULL) {
free(ph);
print_debug("can't allocate ps_prochandle\n");
return NULL;
}
// initialize ph
ph->ops = &core_ops;
ph->core->core_fd = -1;
ph->core->exec_fd = -1;
ph->core->interp_fd = -1;
// open the core file
if ((ph->core->core_fd = open(core_file, O_RDONLY)) < 0) {
print_debug("can't open core file\n");
goto err;
}
// read core file ELF header
if (read_elf_header(ph->core->core_fd, &core_ehdr) != true || core_ehdr.e_type != ET_CORE) {
print_debug("core file is not a valid ELF ET_CORE file\n");
goto err;
}
if ((ph->core->exec_fd = open(exec_file, O_RDONLY)) < 0) {
print_debug("can't open executable file\n");
goto err;
}
if (read_elf_header(ph->core->exec_fd, &exec_ehdr) != true || exec_ehdr.e_type != ET_EXEC) {
print_debug("executable file is not a valid ELF ET_EXEC file\n");
goto err;
}
// process core file segments
if (read_core_segments(ph, &core_ehdr) != true)
goto err;
// process exec file segments
if (read_exec_segments(ph, &exec_ehdr) != true)
goto err;
// exec file is also treated like a shared object for symbol search
if (add_lib_info_fd(ph, exec_file, ph->core->exec_fd,
(uintptr_t)0 + find_base_address(ph->core->exec_fd, &exec_ehdr)) == NULL)
goto err;
// allocate and sort maps into map_array, we need to do this
// here because read_shared_lib_info needs to read from debuggee
// address space
if (sort_map_array(ph) != true)
goto err;
if (read_shared_lib_info(ph) != true)
goto err;
// sort again because we have added more mappings from shared objects
if (sort_map_array(ph) != true)
goto err;
if (init_classsharing_workaround(ph) != true)
goto err;
return ph;
err:
Prelease(ph);
return NULL;
}
static int
look(char *arg)
{
struct ps_prochandle *Pr;
static prcred_t *prcred = NULL;
int gcode;
procname = arg; /* for perr() */
if (prcred == NULL) {
prcred = malloc(sizeof (prcred_t) +
(ngroups_max - 1) * sizeof (gid_t));
if (prcred == NULL) {
(void) perr("malloc");
exit(1);
}
}
if ((Pr = proc_arg_grab(arg, doset ? PR_ARG_PIDS : PR_ARG_ANY,
PGRAB_RETAIN | PGRAB_FORCE | (doset ? 0 : PGRAB_RDONLY) |
PGRAB_NOSTOP, &gcode)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
return (1);
}
if (Pcred(Pr, prcred, ngroups_max) == -1) {
(void) perr("getcred");
Prelease(Pr, 0);
return (1);
}
if (doset) {
credupdate(prcred);
if (Psetcred(Pr, prcred) != 0) {
(void) perr("setcred");
Prelease(Pr, 0);
return (1);
}
Prelease(Pr, 0);
return (0);
}
if (Pstate(Pr) == PS_DEAD)
(void) printf("core of %d:\t", (int)Pstatus(Pr)->pr_pid);
else
(void) printf("%d:\t", (int)Pstatus(Pr)->pr_pid);
if (!all &&
prcred->pr_euid == prcred->pr_ruid &&
prcred->pr_ruid == prcred->pr_suid)
(void) printf("e/r/suid=%u ", prcred->pr_euid);
else
(void) printf("euid=%u ruid=%u suid=%u ",
prcred->pr_euid, prcred->pr_ruid, prcred->pr_suid);
if (!all &&
prcred->pr_egid == prcred->pr_rgid &&
prcred->pr_rgid == prcred->pr_sgid)
(void) printf("e/r/sgid=%u\n", prcred->pr_egid);
else
(void) printf("egid=%u rgid=%u sgid=%u\n",
prcred->pr_egid, prcred->pr_rgid, prcred->pr_sgid);
if (prcred->pr_ngroups != 0 &&
(all || prcred->pr_ngroups != 1 ||
prcred->pr_groups[0] != prcred->pr_rgid)) {
int i;
(void) printf("\tgroups:");
for (i = 0; i < prcred->pr_ngroups; i++)
(void) printf(" %u", prcred->pr_groups[i]);
(void) printf("\n");
}
Prelease(Pr, 0);
return (0);
}
static int
look(char *arg)
{
struct ps_prochandle *Pr;
int gcode;
size_t sz;
void *pdata;
char *x;
int i;
boolean_t nodata;
prpriv_t *ppriv;
procname = arg; /* for perr() */
if ((Pr = proc_arg_grab(arg, set ? PR_ARG_PIDS : PR_ARG_ANY,
PGRAB_RETAIN | PGRAB_FORCE | (set ? 0 : PGRAB_RDONLY) |
PGRAB_NOSTOP, &gcode)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
return (1);
}
if (Ppriv(Pr, &ppriv) == -1) {
perr(command);
Prelease(Pr, 0);
return (1);
}
sz = PRIV_PRPRIV_SIZE(ppriv);
/*
* The ppriv fields are unsigned and may overflow, so check them
* separately. Size must be word aligned, so check that too.
* Make sure size is "smallish" too.
*/
if ((sz & 3) || ppriv->pr_nsets == 0 ||
sz / ppriv->pr_nsets < ppriv->pr_setsize ||
ppriv->pr_infosize > sz || sz > 1024 * 1024) {
(void) fprintf(stderr,
"%s: %s: bad PRNOTES section, size = %lx\n",
command, arg, (long)sz);
Prelease(Pr, 0);
Ppriv_free(Pr, ppriv);
return (1);
}
if (set) {
privupdate(ppriv, arg);
if (Psetpriv(Pr, ppriv) != 0) {
perr(command);
Prelease(Pr, 0);
Ppriv_free(Pr, ppriv);
return (1);
}
Prelease(Pr, 0);
Ppriv_free(Pr, ppriv);
return (0);
}
if (Pstate(Pr) == PS_DEAD) {
(void) printf("core '%s' of %d:\t%.70s\n",
arg, (int)Ppsinfo(Pr)->pr_pid, Ppsinfo(Pr)->pr_psargs);
pdata = Pprivinfo(Pr);
nodata = Pstate(Pr) == PS_DEAD && pdata == NULL;
} else {
(void) printf("%d:\t%.70s\n",
(int)Ppsinfo(Pr)->pr_pid, Ppsinfo(Pr)->pr_psargs);
pdata = NULL;
nodata = B_FALSE;
}
x = (char *)ppriv + sz - ppriv->pr_infosize;
while (x < (char *)ppriv + sz) {
/* LINTED: alignment */
priv_info_t *pi = (priv_info_t *)x;
priv_info_uint_t *pii;
switch (pi->priv_info_type) {
case PRIV_INFO_FLAGS:
/* LINTED: alignment */
pii = (priv_info_uint_t *)x;
(void) printf("flags =");
flags2str(pii->val);
(void) putchar('\n');
break;
default:
(void) fprintf(stderr, "%s: unknown priv_info: %d\n",
arg, pi->priv_info_type);
break;
}
if (pi->priv_info_size > ppriv->pr_infosize ||
pi->priv_info_size <= sizeof (priv_info_t) ||
(pi->priv_info_size & 3) != 0) {
(void) fprintf(stderr, "%s: bad priv_info_size: %u\n",
arg, pi->priv_info_size);
break;
}
x += pi->priv_info_size;
}
for (i = 0; i < ppriv->pr_nsets; i++) {
extern const char *__priv_getsetbynum(const void *, int);
const char *setnm = pdata ? __priv_getsetbynum(pdata, i) :
priv_getsetbynum(i);
priv_chunk_t *pc =
(priv_chunk_t *)&ppriv->pr_sets[ppriv->pr_setsize * i];
(void) printf("\t%c: ", setnm && !nodata ? *setnm : '?');
if (!nodata) {
extern char *__priv_set_to_str(void *,
const priv_set_t *, char, int);
priv_set_t *pset = (priv_set_t *)pc;
char *s;
if (pdata)
s = __priv_set_to_str(pdata, pset, ',', mode);
else
s = priv_set_to_str(pset, ',', mode);
(void) puts(s);
free(s);
} else {
int j;
for (j = 0; j < ppriv->pr_setsize; j++)
(void) printf("%08x", pc[j]);
(void) putchar('\n');
}
}
Prelease(Pr, 0);
Ppriv_free(Pr, ppriv);
return (0);
}
static void attach_internal(JNIEnv* env, jobject this_obj, jstring cmdLine, jboolean isProcess) {
jboolean isCopy;
int gcode;
const char* cmdLine_cstr = env->GetStringUTFChars(cmdLine, &isCopy);
CHECK_EXCEPTION;
// some older versions of libproc.so crash when trying to attach 32 bit
// debugger to 64 bit core file. check and throw error.
#ifndef _LP64
atoi(cmdLine_cstr);
if (errno) {
// core file
int core_fd;
if ((core_fd = open64(cmdLine_cstr, O_RDONLY)) >= 0) {
Elf32_Ehdr e32;
if (pread64(core_fd, &e32, sizeof (e32), 0) == sizeof (e32) &&
memcmp(&e32.e_ident[EI_MAG0], ELFMAG, SELFMAG) == 0 &&
e32.e_type == ET_CORE && e32.e_ident[EI_CLASS] == ELFCLASS64) {
close(core_fd);
THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 64 bit, use java -d64 for debugger");
}
close(core_fd);
}
// all other conditions are handled by libproc.so.
}
#endif
// connect to process/core
ps_prochandle_t* ph = proc_arg_grab(cmdLine_cstr, (isProcess? PR_ARG_PIDS : PR_ARG_CORES), PGRAB_FORCE, &gcode, NULL);
env->ReleaseStringUTFChars(cmdLine, cmdLine_cstr);
if (! ph) {
if (gcode > 0 && gcode < sizeof(proc_arg_grab_errmsgs)/sizeof(const char*)) {
char errMsg[ERR_MSG_SIZE];
sprintf(errMsg, "Attach failed : %s", proc_arg_grab_errmsgs[gcode]);
THROW_NEW_DEBUGGER_EXCEPTION(errMsg);
} else {
if (_libsaproc_debug && gcode == G_STRANGE) {
perror("libsaproc DEBUG: ");
}
if (isProcess) {
THROW_NEW_DEBUGGER_EXCEPTION("Not able to attach to process!");
} else {
THROW_NEW_DEBUGGER_EXCEPTION("Not able to attach to core file!");
}
}
}
// even though libproc.so supports 64 bit debugger and 32 bit debuggee, we don't
// support such cross-bit-debugging. check for that combination and throw error.
#ifdef _LP64
int data_model;
if (ps_pdmodel(ph, &data_model) != PS_OK) {
Prelease(ph, PRELEASE_CLEAR);
THROW_NEW_DEBUGGER_EXCEPTION("can't determine debuggee data model (ILP32? or LP64?)");
}
if (data_model == PR_MODEL_ILP32) {
Prelease(ph, PRELEASE_CLEAR);
THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 32 bit, use 32 bit java for debugger");
}
#endif
env->SetLongField(this_obj, p_ps_prochandle_ID, (jlong)(uintptr_t)ph);
Debugger dbg;
dbg.env = env;
dbg.this_obj = this_obj;
jthrowable exception = 0;
if (! isProcess) {
/*
* With class sharing, shared perm. gen heap is allocated in with MAP_SHARED|PROT_READ.
* These pages are mapped from the file "classes.jsa". MAP_SHARED pages are not dumped
* in Solaris core.To read shared heap pages, we have to read classes.jsa file.
*/
Pobject_iter(ph, init_classsharing_workaround, &dbg);
exception = env->ExceptionOccurred();
if (exception) {
env->ExceptionClear();
detach_internal(env, this_obj);
env->Throw(exception);
return;
}
}
/*
* Iterate over the process mappings looking
* for libthread and then dlopen the appropriate
* libthread_db and get function pointers.
*/
Pobject_iter(ph, init_libthread_db_ptrs, &dbg);
exception = env->ExceptionOccurred();
if (exception) {
env->ExceptionClear();
if (!sa_ignore_threaddb) {
detach_internal(env, this_obj);
env->Throw(exception);
}
return;
}
// init libthread_db and create thread_db agent
p_td_init_t p_td_init = (p_td_init_t) env->GetLongField(this_obj, p_td_init_ID);
if (p_td_init == 0) {
if (!sa_ignore_threaddb) {
detach_internal(env, this_obj);
}
HANDLE_THREADDB_FAILURE("Did not find libthread in target process/core!");
}
if (p_td_init() != TD_OK) {
if (!sa_ignore_threaddb) {
detach_internal(env, this_obj);
}
HANDLE_THREADDB_FAILURE("Can't initialize thread_db!");
}
p_td_ta_new_t p_td_ta_new = (p_td_ta_new_t) env->GetLongField(this_obj, p_td_ta_new_ID);
td_thragent_t *p_td_thragent_t = 0;
if (p_td_ta_new(ph, &p_td_thragent_t) != TD_OK) {
if (!sa_ignore_threaddb) {
detach_internal(env, this_obj);
}
HANDLE_THREADDB_FAILURE("Can't create thread_db agent!");
}
env->SetLongField(this_obj, p_td_thragent_t_ID, (jlong)(uintptr_t) p_td_thragent_t);
}
static void
dt_proc_destroy(dtrace_hdl_t *dtp, struct ps_prochandle *P)
{
dt_proc_t *dpr = dt_proc_lookup(dtp, P, B_FALSE);
dt_proc_hash_t *dph = dtp->dt_procs;
dt_proc_notify_t *npr, **npp;
int rflag;
assert(dpr != NULL);
/*
* If neither PR_KLC nor PR_RLC is set, then the process is stopped by
* an external debugger and we were waiting in dt_proc_waitrun().
* Leave the process in this condition using PRELEASE_HANG.
*/
printf("dt_proc_destroy flags=%d\n", Pstatus(dpr->dpr_proc)->pr_flags);
if (!(Pstatus(dpr->dpr_proc)->pr_flags & (PR_KLC | PR_RLC))) {
dt_dprintf("abandoning pid %d\n", (int)dpr->dpr_pid);
rflag = PRELEASE_HANG;
} else {
dt_dprintf("releasing pid %d\n", (int)dpr->dpr_pid);
rflag = 0; /* apply kill or run-on-last-close */
}
if (dpr->dpr_tid) {
/*
* Set the dpr_quit flag to tell the daemon thread to exit. We
* send it a SIGCANCEL to poke it out of PCWSTOP or any other
* long-term /proc system call. Our daemon threads have POSIX
* cancellation disabled, so EINTR will be the only effect. We
* then wait for dpr_done to indicate the thread has exited.
*
* We can't use pthread_kill() to send SIGCANCEL because the
* interface forbids it and we can't use pthread_cancel()
* because with cancellation disabled it won't actually
* send SIGCANCEL to the target thread, so we use _lwp_kill()
* to do the job. This is all built on evil knowledge of
* the details of the cancellation mechanism in libc.
*/
(void) pthread_mutex_lock(&dpr->dpr_lock);
dpr->dpr_quit = B_TRUE;
#if defined(sun)
(void) _lwp_kill(dpr->dpr_tid, SIGCANCEL);
#else
(void) pthread_kill(dpr->dpr_tid, SIGUSR1);
#endif
/*
* If the process is currently idling in dt_proc_stop(), re-
* enable breakpoints and poke it into running again.
*/
if (dpr->dpr_stop & DT_PROC_STOP_IDLE) {
dt_proc_bpenable(dpr);
dpr->dpr_stop &= ~DT_PROC_STOP_IDLE;
(void) pthread_cond_broadcast(&dpr->dpr_cv);
}
while (!dpr->dpr_done)
(void) pthread_cond_wait(&dpr->dpr_cv, &dpr->dpr_lock);
(void) pthread_mutex_unlock(&dpr->dpr_lock);
}
/*
* Before we free the process structure, remove this dt_proc_t from the
* lookup hash, and then walk the dt_proc_hash_t's notification list
* and remove this dt_proc_t if it is enqueued.
*/
(void) pthread_mutex_lock(&dph->dph_lock);
(void) dt_proc_lookup(dtp, P, B_TRUE);
npp = &dph->dph_notify;
while ((npr = *npp) != NULL) {
if (npr->dprn_dpr == dpr) {
*npp = npr->dprn_next;
dt_free(dtp, npr);
} else {
npp = &npr->dprn_next;
}
}
(void) pthread_mutex_unlock(&dph->dph_lock);
/*
* Remove the dt_proc_list from the LRU list, release the underlying
* libproc handle, and free our dt_proc_t data structure.
*/
if (dpr->dpr_cacheable) {
assert(dph->dph_lrucnt != 0);
dph->dph_lrucnt--;
}
dt_list_delete(&dph->dph_lrulist, dpr);
Prelease(dpr->dpr_proc, rflag);
dt_free(dtp, dpr);
}
static int
look(char *arg)
{
int gcode;
int gcode2;
pstatus_t pstatus;
psinfo_t psinfo;
int flags;
sigset_t sigmask;
fltset_t fltmask;
sysset_t entryset;
sysset_t exitset;
uint32_t sigtrace, sigtrace1, sigtrace2, fltbits;
uint32_t sigpend, sigpend1, sigpend2;
uint32_t *bits;
char buf[PRSIGBUFSZ];
look_arg_t lookarg;
if ((Pr = proc_arg_xgrab(arg, NULL, PR_ARG_ANY,
PGRAB_RETAIN | PGRAB_FORCE | PGRAB_RDONLY | PGRAB_NOSTOP, &gcode,
&lookarg.lwps)) == NULL) {
if (gcode == G_NOPROC &&
proc_arg_psinfo(arg, PR_ARG_PIDS, &psinfo, &gcode2) > 0 &&
psinfo.pr_nlwp == 0) {
(void) printf("%d:\t<defunct>\n\n", (int)psinfo.pr_pid);
return (0);
}
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
return (1);
}
(void) memcpy(&pstatus, Pstatus(Pr), sizeof (pstatus_t));
(void) memcpy(&psinfo, Ppsinfo(Pr), sizeof (psinfo_t));
proc_unctrl_psinfo(&psinfo);
if (psinfo.pr_nlwp == 0) {
(void) printf("%d:\t<defunct>\n\n", (int)psinfo.pr_pid);
Prelease(Pr, PRELEASE_RETAIN);
return (0);
}
is64 = (pstatus.pr_dmodel == PR_MODEL_LP64);
sigmask = pstatus.pr_sigtrace;
fltmask = pstatus.pr_flttrace;
entryset = pstatus.pr_sysentry;
exitset = pstatus.pr_sysexit;
if (Pstate(Pr) == PS_DEAD) {
(void) printf("core '%s' of %d:\t%.70s\n",
arg, (int)psinfo.pr_pid, psinfo.pr_psargs);
} else {
(void) printf("%d:\t%.70s\n",
(int)psinfo.pr_pid, psinfo.pr_psargs);
}
(void) printf("\tdata model = %s", is64? "_LP64" : "_ILP32");
if ((flags = (pstatus.pr_flags & PROCFLAGS)) != 0)
(void) printf(" flags = %s", prflags(flags));
(void) printf("\n");
fltbits = *((uint32_t *)&fltmask);
if (fltbits)
(void) printf("\tflttrace = 0x%.8x\n", fltbits);
#if (MAXSIG > 2 * 32) && (MAXSIG <= 3 * 32) /* assumption */
sigtrace = *((uint32_t *)&sigmask);
sigtrace1 = *((uint32_t *)&sigmask + 1);
sigtrace2 = *((uint32_t *)&sigmask + 2);
#else
#error "fix me: MAXSIG out of bounds"
#endif
if (sigtrace | sigtrace1 | sigtrace2)
(void) printf("\tsigtrace = 0x%.8x 0x%.8x 0x%.8x\n\t %s\n",
sigtrace, sigtrace1, sigtrace2,
proc_sigset2str(&sigmask, "|", 1, buf, sizeof (buf)));
bits = ((uint32_t *)&entryset);
if (bits[0] | bits[1] | bits[2] | bits[3] |
bits[4] | bits[5] | bits[6] | bits[7])
(void) printf(
"\tentryset = "
"0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
"\t "
"0x%.8x 0x%.8x 0x%.8x 0x%.8x\n",
bits[0], bits[1], bits[2], bits[3],
bits[4], bits[5], bits[6], bits[7]);
bits = ((uint32_t *)&exitset);
if (bits[0] | bits[1] | bits[2] | bits[3] |
bits[4] | bits[5] | bits[6] | bits[7])
(void) printf(
"\texitset = "
"0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
"\t "
"0x%.8x 0x%.8x 0x%.8x 0x%.8x\n",
bits[0], bits[1], bits[2], bits[3],
bits[4], bits[5], bits[6], bits[7]);
#if (MAXSIG > 2 * 32) && (MAXSIG <= 3 * 32) /* assumption */
sigpend = *((uint32_t *)&pstatus.pr_sigpend);
sigpend1 = *((uint32_t *)&pstatus.pr_sigpend + 1);
sigpend2 = *((uint32_t *)&pstatus.pr_sigpend + 2);
#else
#error "fix me: MAXSIG out of bounds"
#endif
if (sigpend | sigpend1 | sigpend2)
(void) printf("\tsigpend = 0x%.8x,0x%.8x,0x%.8x\n",
sigpend, sigpend1, sigpend2);
lookarg.pflags = pstatus.pr_flags;
lookarg.count = 0;
(void) Plwp_iter_all(Pr, (proc_lwp_all_f *)lwplook, &lookarg);
if (lookarg.count == 0)
(void) printf("No matching lwps found");
(void) printf("\n");
Prelease(Pr, PRELEASE_RETAIN);
return (0);
}
int
main(int argc, char **argv)
{
int rflag = 0, sflag = 0, xflag = 0, Fflag = 0;
int errflg = 0, Sflag = 0;
int rc = 0;
int opt;
const char *bar8 = "-------";
const char *bar16 = "----------";
const char *bar;
struct rlimit rlim;
struct stat64 statbuf;
char buf[128];
int mapfd;
int prg_gflags = PGRAB_RDONLY;
int prr_flags = 0;
boolean_t use_agent_lwp = B_FALSE;
if ((command = strrchr(argv[0], '/')) != NULL)
command++;
else
command = argv[0];
while ((opt = getopt(argc, argv, "arsxSlLFA:")) != EOF) {
switch (opt) {
case 'a': /* include shared mappings in -[xS] */
aflag = 1;
break;
case 'r': /* show reserved mappings */
rflag = 1;
break;
case 's': /* show hardware page sizes */
sflag = 1;
break;
case 'S': /* show swap reservations */
Sflag = 1;
break;
case 'x': /* show extended mappings */
xflag = 1;
break;
case 'l': /* show unresolved link map names */
lflag = 1;
break;
case 'L': /* show lgroup information */
Lflag = 1;
use_agent_lwp = B_TRUE;
break;
case 'F': /* force grabbing (no O_EXCL) */
Fflag = PGRAB_FORCE;
break;
case 'A':
if (parse_addr_range(optarg, &start_addr, &end_addr)
!= 0)
errflg++;
break;
default:
errflg = 1;
break;
}
}
argc -= optind;
argv += optind;
if ((Sflag && (xflag || rflag || sflag)) || (xflag && rflag) ||
(aflag && (!xflag && !Sflag)) ||
(Lflag && (xflag || Sflag))) {
errflg = 1;
}
if (errflg || argc <= 0) {
(void) fprintf(stderr,
"usage:\t%s [-rslF] [-A start[,end]] { pid | core } ...\n",
command);
(void) fprintf(stderr,
"\t\t(report process address maps)\n");
(void) fprintf(stderr,
"\t%s -L [-rslF] [-A start[,end]] pid ...\n", command);
(void) fprintf(stderr,
"\t\t(report process address maps lgroups mappings)\n");
(void) fprintf(stderr,
"\t%s -x [-aslF] [-A start[,end]] pid ...\n", command);
(void) fprintf(stderr,
"\t\t(show resident/anon/locked mapping details)\n");
(void) fprintf(stderr,
"\t%s -S [-alF] [-A start[,end]] { pid | core } ...\n",
command);
(void) fprintf(stderr,
"\t\t(show swap reservations)\n\n");
(void) fprintf(stderr,
"\t-a: include shared mappings in -[xS] summary\n");
(void) fprintf(stderr,
"\t-r: show reserved address maps\n");
(void) fprintf(stderr,
"\t-s: show hardware page sizes\n");
(void) fprintf(stderr,
"\t-l: show unresolved dynamic linker map names\n");
(void) fprintf(stderr,
"\t-F: force grabbing of the target process\n");
(void) fprintf(stderr,
"\t-L: show lgroup mappings\n");
(void) fprintf(stderr,
"\t-A start,end: limit output to the specified range\n");
return (2);
}
/*
* Make sure we'll have enough file descriptors to handle a target
* that has many many mappings.
*/
if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) {
rlim.rlim_cur = rlim.rlim_max;
(void) setrlimit(RLIMIT_NOFILE, &rlim);
(void) enable_extended_FILE_stdio(-1, -1);
}
/*
* The implementation of -L option creates an agent LWP in the target
* process address space. The agent LWP issues meminfo(2) system calls
* on behalf of the target process. If we are interrupted prematurely,
* the target process remains in the stopped state with the agent still
* attached to it. To prevent such situation we catch signals from
* terminal and terminate gracefully.
*/
if (use_agent_lwp) {
/*
* Buffer output to stdout, stderr while process is grabbed.
* Prevents infamous deadlocks due to pmap `pgrep xterm` and
* other variants.
*/
(void) proc_initstdio();
prg_gflags = PGRAB_RETAIN | Fflag;
prr_flags = PRELEASE_RETAIN;
if (sigset(SIGHUP, SIG_IGN) == SIG_DFL)
(void) sigset(SIGHUP, intr);
if (sigset(SIGINT, SIG_IGN) == SIG_DFL)
(void) sigset(SIGINT, intr);
if (sigset(SIGQUIT, SIG_IGN) == SIG_DFL)
(void) sigset(SIGQUIT, intr);
(void) sigset(SIGPIPE, intr);
(void) sigset(SIGTERM, intr);
}
while (argc-- > 0) {
char *arg;
int gcode;
psinfo_t psinfo;
int tries = 0;
if (use_agent_lwp)
(void) proc_flushstdio();
if ((Pr = proc_arg_grab(arg = *argv++, PR_ARG_ANY,
prg_gflags, &gcode)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
rc++;
continue;
}
procname = arg; /* for perr() */
addr_width = (Pstatus(Pr)->pr_dmodel == PR_MODEL_LP64) ? 16 : 8;
size_width = (Pstatus(Pr)->pr_dmodel == PR_MODEL_LP64) ? 11 : 8;
bar = addr_width == 8 ? bar8 : bar16;
(void) memcpy(&psinfo, Ppsinfo(Pr), sizeof (psinfo_t));
proc_unctrl_psinfo(&psinfo);
if (Pstate(Pr) != PS_DEAD) {
(void) snprintf(buf, sizeof (buf),
"/proc/%d/map", (int)psinfo.pr_pid);
if ((mapfd = open(buf, O_RDONLY)) < 0) {
(void) fprintf(stderr, "%s: cannot "
"examine %s: lost control of "
"process\n", command, arg);
rc++;
Prelease(Pr, prr_flags);
continue;
}
} else {
mapfd = -1;
}
again:
map_count = 0;
if (Pstate(Pr) == PS_DEAD) {
(void) printf("core '%s' of %d:\t%.70s\n",
arg, (int)psinfo.pr_pid, psinfo.pr_psargs);
if (rflag || sflag || xflag || Sflag || Lflag) {
(void) printf(" -%c option is not compatible "
"with core files\n", xflag ? 'x' :
sflag ? 's' : rflag ? 'r' :
Lflag ? 'L' : 'S');
Prelease(Pr, prr_flags);
rc++;
continue;
}
} else {
(void) printf("%d:\t%.70s\n",
(int)psinfo.pr_pid, psinfo.pr_psargs);
}
if (!(Pstatus(Pr)->pr_flags & PR_ISSYS)) {
struct totals t;
/*
* Since we're grabbing the process readonly, we need
* to make sure the address space doesn't change during
* execution.
*/
if (Pstate(Pr) != PS_DEAD) {
if (tries++ == MAX_TRIES) {
Prelease(Pr, prr_flags);
(void) close(mapfd);
(void) fprintf(stderr, "%s: cannot "
"examine %s: address space is "
"changing\n", command, arg);
continue;
}
if (fstat64(mapfd, &statbuf) != 0) {
Prelease(Pr, prr_flags);
(void) close(mapfd);
(void) fprintf(stderr, "%s: cannot "
"examine %s: lost control of "
"process\n", command, arg);
continue;
}
}
nstacks = psinfo.pr_nlwp * 2;
stacks = calloc(nstacks, sizeof (stacks[0]));
if (stacks != NULL) {
int n = 0;
(void) Plwp_iter(Pr, getstack, &n);
qsort(stacks, nstacks, sizeof (stacks[0]),
cmpstacks);
}
(void) memset(&t, 0, sizeof (t));
if (Pgetauxval(Pr, AT_BASE) != -1L &&
Prd_agent(Pr) == NULL) {
(void) fprintf(stderr, "%s: warning: "
"librtld_db failed to initialize; "
"shared library information will not be "
"available\n", command);
}
/*
* Gather data
*/
if (xflag)
rc += xmapping_iter(Pr, gather_xmap, NULL, 0);
else if (Sflag)
rc += xmapping_iter(Pr, gather_xmap, NULL, 1);
else {
if (rflag)
rc += rmapping_iter(Pr, gather_map,
NULL);
else if (sflag)
rc += xmapping_iter(Pr, gather_xmap,
NULL, 0);
else if (lflag)
rc += Pmapping_iter(Pr,
gather_map, NULL);
else
rc += Pmapping_iter_resolved(Pr,
gather_map, NULL);
}
/*
* Ensure mappings are consistent.
*/
if (Pstate(Pr) != PS_DEAD) {
struct stat64 newbuf;
if (fstat64(mapfd, &newbuf) != 0 ||
memcmp(&newbuf.st_mtim, &statbuf.st_mtim,
sizeof (newbuf.st_mtim)) != 0) {
if (stacks != NULL) {
free(stacks);
stacks = NULL;
}
goto again;
}
}
/*
* Display data.
*/
if (xflag) {
(void) printf("%*s%*s%*s%*s%*s "
"%sMode Mapped File\n",
addr_width, "Address",
size_width, "Kbytes",
size_width, "RSS",
size_width, "Anon",
size_width, "Locked",
sflag ? "Pgsz " : "");
rc += iter_xmap(sflag ? look_xmap :
look_xmap_nopgsz, &t);
(void) printf("%s%s %s %s %s %s\n",
addr_width == 8 ? "-" : "------",
bar, bar, bar, bar, bar);
(void) printf("%stotal Kb", addr_width == 16 ?
" " : "");
printK(t.total_size, size_width);
printK(t.total_rss, size_width);
printK(t.total_anon, size_width);
printK(t.total_locked, size_width);
(void) printf("\n");
} else if (Sflag) {
(void) printf("%*s%*s%*s Mode"
" Mapped File\n",
addr_width, "Address",
size_width, "Kbytes",
size_width, "Swap");
rc += iter_xmap(look_xmap_nopgsz, &t);
(void) printf("%s%s %s %s\n",
addr_width == 8 ? "-" : "------",
bar, bar, bar);
(void) printf("%stotal Kb", addr_width == 16 ?
" " : "");
printK(t.total_size, size_width);
printK(t.total_swap, size_width);
(void) printf("\n");
} else {
if (rflag) {
rc += iter_map(look_map, &t);
} else if (sflag) {
if (Lflag) {
(void) printf("%*s %*s %4s"
" %-6s %s %s\n",
addr_width, "Address",
size_width,
"Bytes", "Pgsz", "Mode ",
"Lgrp", "Mapped File");
rc += iter_xmap(look_smap, &t);
} else {
(void) printf("%*s %*s %4s"
" %-6s %s\n",
addr_width, "Address",
size_width,
"Bytes", "Pgsz", "Mode ",
"Mapped File");
rc += iter_xmap(look_smap, &t);
}
} else {
rc += iter_map(look_map, &t);
}
(void) printf(" %stotal %*luK\n",
addr_width == 16 ?
" " : "",
size_width, t.total_size);
}
if (stacks != NULL) {
free(stacks);
stacks = NULL;
}
}
Prelease(Pr, prr_flags);
if (mapfd != -1)
(void) close(mapfd);
}
if (use_agent_lwp)
(void) proc_finistdio();
return (rc);
}
int
main(int argc, char **argv)
{
secflagdelta_t act;
psecflagwhich_t which = PSF_INHERIT;
int ret = 0;
int pgrab_flags = PGRAB_RDONLY;
int opt;
char *idtypename = NULL;
idtype_t idtype = P_PID;
boolean_t usage = B_FALSE;
boolean_t e_flag = B_FALSE;
boolean_t l_flag = B_FALSE;
boolean_t s_flag = B_FALSE;
int errc = 0;
while ((opt = getopt(argc, argv, "eFi:ls:")) != -1) {
switch (opt) {
case 'e':
e_flag = B_TRUE;
break;
case 'F':
pgrab_flags |= PGRAB_FORCE;
break;
case 'i':
idtypename = optarg;
break;
case 's':
s_flag = B_TRUE;
if ((strlen(optarg) >= 2) &&
((optarg[1] == '='))) {
switch (optarg[0]) {
case 'L':
which = PSF_LOWER;
break;
case 'U':
which = PSF_UPPER;
break;
case 'I':
which = PSF_INHERIT;
break;
case 'E':
errx(1, "the effective flags cannot "
"be changed", optarg[0]);
default:
errx(1, "unknown security flag "
"set: '%c'", optarg[0]);
}
optarg += 2;
}
if (secflags_parse(NULL, optarg, &act) == -1)
errx(1, "couldn't parse security flags: %s",
optarg);
break;
case 'l':
l_flag = B_TRUE;
break;
default:
usage = B_TRUE;
break;
}
}
argc -= optind;
argv += optind;
if (l_flag && ((idtypename != NULL) || s_flag || (argc != 0)))
usage = B_TRUE;
if ((idtypename != NULL) && !s_flag)
usage = B_TRUE;
if (e_flag && !s_flag)
usage = B_TRUE;
if (!l_flag && argc <= 0)
usage = B_TRUE;
if (usage) {
(void) fprintf(stderr,
gettext("usage:\t%s [-F] { pid | core } ...\n"),
__progname);
(void) fprintf(stderr,
gettext("\t%s -s spec [-i idtype] id ...\n"),
__progname);
(void) fprintf(stderr,
gettext("\t%s -s spec -e command [arg]...\n"),
__progname);
(void) fprintf(stderr, gettext("\t%s -l\n"), __progname);
return (2);
}
if (l_flag) {
secflag_t i;
const char *name;
for (i = 0; (name = secflag_to_str(i)) != NULL; i++)
(void) printf("%s\n", name);
return (0);
} else if (s_flag && e_flag) {
/*
* Don't use the strerror() message for EPERM, "Not Owner"
* which is misleading.
*/
errc = psecflags(P_PID, P_MYID, which, &act);
switch (errc) {
case 0:
break;
case EPERM:
errx(1, gettext("failed setting "
"security-flags: Permission denied"));
break;
default:
err(1, gettext("failed setting security-flags"));
}
(void) execvp(argv[0], &argv[0]);
err(1, "%s", argv[0]);
} else if (s_flag) {
int i;
id_t id;
if (idtypename != NULL)
if (str2idtype(idtypename, &idtype) == -1)
errx(1, gettext("No such id type: '%s'"),
idtypename);
for (i = 0; i < argc; i++) {
if ((id = getid(idtype, argv[i])) == (id_t)-1) {
errx(1, gettext("invalid or non-existent "
"identifier: '%s'"), argv[i]);
}
/*
* Don't use the strerror() message for EPERM, "Not
* Owner" which is misleading.
*/
if (psecflags(idtype, id, which, &act) != 0) {
switch (errno) {
case EPERM:
errx(1, gettext("failed setting "
"security-flags: "
"Permission denied"));
break;
default:
err(1, gettext("failed setting "
"security-flags"));
}
}
}
return (0);
}
/* Display the flags for the given pids */
while (argc-- > 0) {
struct ps_prochandle *Pr;
const char *arg;
psinfo_t psinfo;
prsecflags_t *psf;
int gcode;
if ((Pr = proc_arg_grab(arg = *argv++, PR_ARG_ANY,
pgrab_flags, &gcode)) == NULL) {
warnx(gettext("cannot examine %s: %s"),
arg, Pgrab_error(gcode));
ret = 1;
continue;
}
(void) memcpy(&psinfo, Ppsinfo(Pr), sizeof (psinfo_t));
proc_unctrl_psinfo(&psinfo);
if (Pstate(Pr) == PS_DEAD) {
(void) printf(gettext("core '%s' of %d:\t%.70s\n"),
arg, (int)psinfo.pr_pid, psinfo.pr_psargs);
} else {
(void) printf("%d:\t%.70s\n",
(int)psinfo.pr_pid, psinfo.pr_psargs);
}
if (Psecflags(Pr, &psf) != 0)
err(1, gettext("cannot read secflags of %s"), arg);
print_flags("E", psf->pr_effective);
print_flags("I", psf->pr_inherit);
print_flags("L", psf->pr_lower);
print_flags("U", psf->pr_upper);
Psecflags_free(psf);
Prelease(Pr, 0);
}
return (ret);
}
