static pid_list *scan_pid_maps(const char *fname, pid_t pid,
inode_list *ilist, pid_list *plist)
{
FILE *file;
char line[MAX_LINE + 1];
int major, minor;
ino_t inode;
long long uint64_inode;
dev_t dev;
file = fopen_for_read(fname);
if (!file)
return plist;
while (fgets(line, MAX_LINE, file)) {
if (sscanf(line, "%*s %*s %*s %x:%x %llu", &major, &minor, &uint64_inode) != 3)
continue;
inode = uint64_inode;
if (major == 0 && minor == 0 && inode == 0)
continue;
dev = makedev(major, minor);
if (search_dev_inode(ilist, dev, inode))
plist = add_pid(plist, pid);
}
fclose(file);
return plist;
}
static void scan_link(const char *lname, pid_t pid)
{
struct stat st;
if (stat(lname, &st) >= 0) {
if (search_dev_inode(&st))
add_pid(pid);
}
}
static pid_list *scan_link(const char *lname, pid_t pid,
inode_list *ilist, pid_list *plist)
{
ino_t inode;
dev_t dev;
if (!file_to_dev_inode(lname, &dev, &inode))
return plist;
if (search_dev_inode(ilist, dev, inode))
plist = add_pid(plist, pid);
return plist;
}
static void scan_pid_maps(const char *fname, pid_t pid)
{
FILE *file;
char line[MAX_LINE + 1];
int major, minor;
long long uint64_inode;
struct stat st;
file = fopen_for_read(fname);
if (!file)
return;
while (fgets(line, MAX_LINE, file)) {
if (sscanf(line, "%*s %*s %*s %x:%x %llu", &major, &minor, &uint64_inode) != 3)
continue;
st.st_ino = uint64_inode;
if (major == 0 && minor == 0 && st.st_ino == 0)
continue;
st.st_dev = makedev(major, minor);
if (search_dev_inode(&st))
add_pid(pid);
}
fclose(file);
}
static smallint scan_proc_net_or_maps(const char *path, unsigned port)
{
FILE *f;
char line[MAX_LINE + 1], addr[68];
int major, minor, r;
long long uint64_inode;
unsigned tmp_port;
smallint retval;
struct stat statbuf;
const char *fmt;
void *f*g, *sag;
f = fopen_for_read(path);
if (!f)
return 0;
if (G.recursion_depth == PROC_NET) {
int fd;
/* find socket dev */
statbuf.st_dev = 0;
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd >= 0) {
fstat(fd, &statbuf);
close(fd);
}
fmt = "%*d: %64[0-9A-Fa-f]:%x %*x:%*x %*x "
"%*x:%*x %*x:%*x %*x %*d %*d %llu";
f*g = addr;
sag = &tmp_port;
} else {
fmt = "%*s %*s %*s %x:%x %llu";
f*g = &major;
sag = &minor;
}
retval = 0;
while (fgets(line, MAX_LINE, f)) {
r = sscanf(line, fmt, f*g, sag, &uint64_inode);
if (r != 3)
continue;
statbuf.st_ino = uint64_inode;
if (G.recursion_depth == PROC_NET) {
r = strlen(addr);
if (r == 8 && (option_mask32 & OPT_IP6))
continue;
if (r > 8 && (option_mask32 & OPT_IP4))
continue;
if (tmp_port == port)
add_inode(&statbuf);
} else {
if (major != 0 && minor != 0 && statbuf.st_ino != 0) {
statbuf.st_dev = makedev(major, minor);
retval = search_dev_inode(&statbuf);
if (retval)
break;
}
}
}
fclose(f);
return retval;
}
static smallint scan_recursive(const char *path)
{
DIR *d;
struct dirent *d_ent;
smallint stop_scan;
smallint retval;
d = opendir(path);
if (d == NULL)
return 0;
G.recursion_depth++;
retval = 0;
stop_scan = 0;
while (!stop_scan && (d_ent = readdir(d)) != NULL) {
struct stat statbuf;
pid_t pid;
char *subpath;
subpath = concat_subpath_file(path, d_ent->d_name);
if (subpath == NULL)
continue; /* . or .. */
switch (G.recursion_depth) {
case PROC_DIR:
pid = (pid_t)bb_strtou(d_ent->d_name, NULL, 10);
if (errno != 0
|| pid == G.mypid
/* "this PID doesn't use specified FILEs or PORT/PROTO": */
|| scan_recursive(subpath) == 0
) {
break;
}
if (option_mask32 & OPT_KILL) {
if (kill(pid, G.killsig) != 0) {
bb_perror_msg("kill pid %s", d_ent->d_name);
G.kill_failed = 1;
}
}
if (!(option_mask32 & OPT_SILENT))
printf("%s ", d_ent->d_name);
retval = 1;
break;
case PROC_DIR_LINKS:
switch (
index_in_substrings(
"cwd" "\0" "exe" "\0"
"root" "\0" "fd" "\0"
"lib" "\0" "mmap" "\0"
"maps" "\0",
d_ent->d_name
)
) {
enum {
CWD_LINK,
EXE_LINK,
ROOT_LINK,
FD_DIR_LINKS,
LIB_DIR_LINKS,
MMAP_DIR_LINKS,
MAPS,
};
case CWD_LINK:
case EXE_LINK:
case ROOT_LINK:
goto scan_link;
case FD_DIR_LINKS:
case LIB_DIR_LINKS:
case MMAP_DIR_LINKS:
// change for ofgwrite
retval = scan_recursive(subpath);
break;
case MAPS:
// change for ofgwrite
retval = scan_proc_net_or_maps(subpath, 0);
default:
break;
}
break;
case PROC_SUBDIR_LINKS:
scan_link:
if (stat(subpath, &statbuf) < 0)
break;
// change for ofgwrite
retval = search_dev_inode(&statbuf);
if (retval)
{
if (strcmp(d_ent->d_name, "exe") == 0)
{
char* ln = xmalloc_readlink(subpath);
if (ln != NULL)
{
// change for ofgwrite: Don't kill VU+ and GB specific processes
if (strcmp(ln, "/oldroot/usr/bin/dvb_server") == 0
|| strcmp(ln, "/oldroot/usr/bin/init_client") == 0
|| strcmp(ln, "/oldroot/usr/bin/ntfs-3g") == 0
|| strcmp(ln, "/oldroot/usr/share/platform/dvb_init") == 0
|| strcmp(ln, "/oldroot/usr/bin/nxserver") == 0
|| strcmp(ln, "/oldroot/usr/bin/init_driver") == 0
|| strcmp(ln, "/oldroot/usr/share/platform/dvb_init.bin") == 0
|| strcmp(ln, "/oldroot/usr/share/platform/nxserver") == 0
|| strcmp(ln, "/oldroot/usr/bin/showiframe") == 0
|| strcmp(ln, "/oldroot/usr/bin/libreader") == 0
|| ( strncmp(ln, "/oldroot/lib/modules/", 21) == 0
&& strstr(ln, "/extra/hi_play.ko") != NULL )
)
{
my_printf("found vu or gb or octagon or ntfs process %s -> don't kill\n", ln);
retval = 0;
stop_scan=1;
}
free(ln);
}
}
}
default:
break;
}
free(subpath);
}
closedir(d);
G.recursion_depth--;
return retval;
}
