Lose lsof to toybox.
Change-Id: I4b5e0c8c33f5b2dfd3db85628d9a657940978a10
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 1d3605e..f4a03fe 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -43,7 +43,6 @@
iftop \
ioctl \
log \
- lsof \
nandread \
newfs_msdos \
ps \
diff --git a/toolbox/lsof.c b/toolbox/lsof.c
deleted file mode 100644
index 198ca52..0000000
--- a/toolbox/lsof.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*
- * Copyright (c) 2010, The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google, Inc. nor the names of its contributors
- * may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <ctype.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <pwd.h>
-#include <sys/stat.h>
-
-#define BUF_MAX 1024
-#define CMD_DISPLAY_MAX (9 + 1)
-#define USER_DISPLAY_MAX (10 + 1)
-
-struct pid_info_t {
- pid_t pid;
- char user[USER_DISPLAY_MAX];
-
- char cmdline[CMD_DISPLAY_MAX];
-
- char path[PATH_MAX];
- ssize_t parent_length;
-};
-
-static void print_header()
-{
- printf("%-9s %5s %10s %4s %9s %18s %9s %10s %s\n",
- "COMMAND",
- "PID",
- "USER",
- "FD",
- "TYPE",
- "DEVICE",
- "SIZE/OFF",
- "NODE",
- "NAME");
-}
-
-static void print_symlink(const char* name, const char* path, struct pid_info_t* info)
-{
- static ssize_t link_dest_size;
- static char link_dest[PATH_MAX];
-
- strlcat(info->path, path, sizeof(info->path));
- if ((link_dest_size = readlink(info->path, link_dest, sizeof(link_dest)-1)) < 0) {
- if (errno == ENOENT)
- goto out;
-
- snprintf(link_dest, sizeof(link_dest), "%s (readlink: %s)", info->path, strerror(errno));
- } else {
- link_dest[link_dest_size] = '\0';
- }
-
- // Things that are just the root filesystem are uninteresting (we already know)
- if (!strcmp(link_dest, "/"))
- goto out;
-
- const char* fd = name;
- char rw = ' ';
- char locks = ' '; // TODO: read /proc/locks
-
- const char* type = "unknown";
- char device[32] = "?";
- char size_off[32] = "?";
- char node[32] = "?";
-
- struct stat sb;
- if (lstat(link_dest, &sb) != -1) {
- switch ((sb.st_mode & S_IFMT)) {
- case S_IFSOCK: type = "sock"; break; // TODO: what domain?
- case S_IFLNK: type = "LINK"; break;
- case S_IFREG: type = "REG"; break;
- case S_IFBLK: type = "BLK"; break;
- case S_IFDIR: type = "DIR"; break;
- case S_IFCHR: type = "CHR"; break;
- case S_IFIFO: type = "FIFO"; break;
- }
- snprintf(device, sizeof(device), "%d,%d", (int) sb.st_dev, (int) sb.st_rdev);
- snprintf(node, sizeof(node), "%d", (int) sb.st_ino);
- snprintf(size_off, sizeof(size_off), "%d", (int) sb.st_size);
- }
-
- if (!name) {
- // We're looking at an fd, so read its flags.
- fd = path;
- char fdinfo_path[PATH_MAX];
- snprintf(fdinfo_path, sizeof(fdinfo_path), "/proc/%d/fdinfo/%s", info->pid, path);
- FILE* fp = fopen(fdinfo_path, "r");
- if (fp != NULL) {
- int pos;
- unsigned flags;
-
- if (fscanf(fp, "pos: %d flags: %o", &pos, &flags) == 2) {
- flags &= O_ACCMODE;
- if (flags == O_RDONLY) rw = 'r';
- else if (flags == O_WRONLY) rw = 'w';
- else rw = 'u';
- }
- fclose(fp);
- }
- }
-
- printf("%-9s %5d %10s %4s%c%c %9s %18s %9s %10s %s\n",
- info->cmdline, info->pid, info->user, fd, rw, locks, type, device, size_off, node, link_dest);
-
-out:
- info->path[info->parent_length] = '\0';
-}
-
-// Prints out all file that have been memory mapped
-static void print_maps(struct pid_info_t* info)
-{
- FILE *maps;
- size_t offset;
- char device[10];
- long int inode;
- char file[PATH_MAX];
-
- strlcat(info->path, "maps", sizeof(info->path));
-
- maps = fopen(info->path, "r");
- if (!maps)
- goto out;
-
- while (fscanf(maps, "%*x-%*x %*s %zx %s %ld %s\n", &offset, device, &inode, file) == 4) {
- // We don't care about non-file maps
- if (inode == 0 || !strcmp(device, "00:00"))
- continue;
-
- printf("%-9s %5d %10s %4s %9s %18s %9zd %10ld %s\n",
- info->cmdline, info->pid, info->user, "mem",
- "REG", device, offset, inode, file);
- }
-
- fclose(maps);
-
-out:
- info->path[info->parent_length] = '\0';
-}
-
-// Prints out all open file descriptors
-static void print_fds(struct pid_info_t* info)
-{
- static char* fd_path = "fd/";
- strlcat(info->path, fd_path, sizeof(info->path));
-
- int previous_length = info->parent_length;
- info->parent_length += strlen(fd_path);
-
- DIR *dir = opendir(info->path);
- if (dir == NULL) {
- char msg[BUF_MAX];
- snprintf(msg, sizeof(msg), "%s (opendir: %s)", info->path, strerror(errno));
- printf("%-9s %5d %10s %4s %9s %18s %9s %10s %s\n",
- info->cmdline, info->pid, info->user, "FDS",
- "", "", "", "", msg);
- goto out;
- }
-
- struct dirent* de;
- while ((de = readdir(dir))) {
- if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
- continue;
-
- print_symlink(NULL, de->d_name, info);
- }
- closedir(dir);
-
-out:
- info->parent_length = previous_length;
- info->path[info->parent_length] = '\0';
-}
-
-static void lsof_dumpinfo(pid_t pid)
-{
- int fd;
- struct pid_info_t info;
- struct stat pidstat;
- struct passwd *pw;
-
- info.pid = pid;
- snprintf(info.path, sizeof(info.path), "/proc/%d/", pid);
- info.parent_length = strlen(info.path);
-
- // Get the UID by calling stat on the proc/pid directory.
- if (!stat(info.path, &pidstat)) {
- pw = getpwuid(pidstat.st_uid);
- if (pw) {
- strlcpy(info.user, pw->pw_name, sizeof(info.user));
- } else {
- snprintf(info.user, USER_DISPLAY_MAX, "%d", (int)pidstat.st_uid);
- }
- } else {
- strcpy(info.user, "???");
- }
-
- // Read the command line information; each argument is terminated with NULL.
- strlcat(info.path, "cmdline", sizeof(info.path));
- fd = open(info.path, O_RDONLY);
- if (fd < 0) {
- fprintf(stderr, "Couldn't read %s\n", info.path);
- return;
- }
-
- char cmdline[PATH_MAX];
- int numRead = read(fd, cmdline, sizeof(cmdline) - 1);
- close(fd);
-
- if (numRead < 0) {
- fprintf(stderr, "Error reading cmdline: %s: %s\n", info.path, strerror(errno));
- return;
- }
-
- cmdline[numRead] = '\0';
-
- // We only want the basename of the cmdline
- strlcpy(info.cmdline, basename(cmdline), sizeof(info.cmdline));
-
- // Read each of these symlinks
- print_symlink("cwd", "cwd", &info);
- print_symlink("txt", "exe", &info);
- print_symlink("rtd", "root", &info);
- print_fds(&info);
- print_maps(&info);
-}
-
-int lsof_main(int argc, char *argv[])
-{
- long int pid = 0;
- char* endptr;
- if (argc == 2) {
- pid = strtol(argv[1], &endptr, 10);
- }
-
- print_header();
-
- if (pid) {
- lsof_dumpinfo(pid);
- } else {
- DIR *dir = opendir("/proc");
- if (dir == NULL) {
- fprintf(stderr, "Couldn't open /proc\n");
- return -1;
- }
-
- struct dirent* de;
- while ((de = readdir(dir))) {
- if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
- continue;
-
- // Only inspect directories that are PID numbers
- pid = strtol(de->d_name, &endptr, 10);
- if (*endptr != '\0')
- continue;
-
- lsof_dumpinfo(pid);
- }
- closedir(dir);
- }
-
- return 0;
-}