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| author | Sven Oliver Moll <busybox@svol.li> | 2012-04-01 16:23:23 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-04-01 16:23:23 +0200 |
| commit | 1c12b67705a4a2d5854d5e62fcbd2b241852ffe9 (patch) | |
| tree | bdaab6dbe675f11f6bf3ea2388979dfae6b0a36d /procps | |
| parent | 25dbb0743e58fc91ecb7ff5c793c5519eec45494 (diff) | |
| download | busybox-w32-1c12b67705a4a2d5854d5e62fcbd2b241852ffe9.tar.gz busybox-w32-1c12b67705a4a2d5854d5e62fcbd2b241852ffe9.tar.bz2 busybox-w32-1c12b67705a4a2d5854d5e62fcbd2b241852ffe9.zip | |
lsof: new applet
text data bss dec hex filename
221 0 0 221 dd lsof.o
Signed-off-by: Sven Oliver Moll <busybox@svol.li>
Signed-off-by: souf <souf_oued@yahoo.fr>
Signed-off-by: Tito Ragusa <farmatito@tiscali.it>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'procps')
| -rw-r--r-- | procps/lsof.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/procps/lsof.c b/procps/lsof.c new file mode 100644 index 000000000..7e0ffa4e5 --- /dev/null +++ b/procps/lsof.c | |||
| @@ -0,0 +1,76 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * Mini lsof implementation for busybox | ||
| 4 | * | ||
| 5 | * Copyright (C) 2012 by Sven Oliver 'SvOlli' Moll <svolli@svolli.de> | ||
| 6 | * | ||
| 7 | * Licensed under GPLv2, see file LICENSE in this source tree. | ||
| 8 | */ | ||
| 9 | |||
| 10 | //config:config LSOF | ||
| 11 | //config: bool "lsof" | ||
| 12 | //config: default y | ||
| 13 | //config: help | ||
| 14 | //config: Show open files in the format of: | ||
| 15 | //config: PID <TAB> /path/to/executable <TAB> /path/to/opened/file | ||
| 16 | |||
| 17 | //applet:IF_LSOF(APPLET(lsof, BB_DIR_USR_BIN, BB_SUID_DROP)) | ||
| 18 | |||
| 19 | //kbuild:lib-$(CONFIG_LSOF) += lsof.o | ||
| 20 | |||
| 21 | //usage:#define lsof_trivial_usage | ||
| 22 | //usage: "" | ||
| 23 | //usage:#define lsof_full_usage "\n\n" | ||
| 24 | //usage: "Show all open files" | ||
| 25 | |||
| 26 | #include "libbb.h" | ||
| 27 | |||
| 28 | /* | ||
| 29 | * Examples of "standard" lsof output: | ||
| 30 | * | ||
| 31 | * COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME | ||
| 32 | * init 1 root cwd DIR 8,5 4096 2 / | ||
| 33 | * init 1 root rtd DIR 8,5 4096 2 / | ||
| 34 | * init 1 root txt REG 8,5 872400 63408 /app/busybox-1.19.2/busybox | ||
| 35 | * rpc.portm 1064 root mem REG 8,5 43494 47451 /app/glibc-2.11/lib/libnss_files-2.11.so | ||
| 36 | * rpc.portm 1064 root 3u IPv4 2178 UDP *:111 | ||
| 37 | * rpc.portm 1064 root 4u IPv4 1244 TCP *:111 (LISTEN) | ||
| 38 | * runsvdir 1116 root 0r CHR 1,3 1214 /dev/null | ||
| 39 | * runsvdir 1116 root 1w CHR 1,3 1214 /dev/null | ||
| 40 | * runsvdir 1116 root 2w CHR 1,3 1214 /dev/null | ||
| 41 | * runsvdir 1116 root 3r DIR 8,6 1560 58359 /.local/var/service | ||
| 42 | * gpm 1128 root 4u unix 0xffff88007c09ccc0 1302 /dev/gpmctl | ||
| 43 | */ | ||
| 44 | |||
| 45 | int lsof_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; | ||
| 46 | int lsof_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) | ||
| 47 | { | ||
| 48 | procps_status_t *proc = NULL; | ||
| 49 | |||
| 50 | while ((proc = procps_scan(proc, PSSCAN_PID|PSSCAN_EXE)) != NULL) { | ||
| 51 | char name[sizeof("/proc/%u/fd/0123456789") + sizeof(int)*3]; | ||
| 52 | unsigned baseofs; | ||
| 53 | DIR *d_fd; | ||
| 54 | char *fdlink; | ||
| 55 | struct dirent *entry; | ||
| 56 | |||
| 57 | if (getpid() == proc->pid) | ||
| 58 | continue; | ||
| 59 | |||
| 60 | baseofs = sprintf(name, "/proc/%u/fd/", proc->pid); | ||
| 61 | d_fd = opendir(name); | ||
| 62 | if (d_fd) { | ||
| 63 | while ((entry = readdir(d_fd)) != NULL) { | ||
| 64 | if (entry->d_type == DT_LNK) { | ||
| 65 | safe_strncpy(name + baseofs, entry->d_name, 10); | ||
| 66 | fdlink = xmalloc_readlink(name); | ||
| 67 | printf("%d\t%s\t%s\n", proc->pid, proc->exe, fdlink); | ||
| 68 | free(fdlink); | ||
| 69 | } | ||
| 70 | } | ||
| 71 | closedir(d_fd); | ||
| 72 | } | ||
| 73 | } | ||
| 74 | |||
| 75 | return EXIT_SUCCESS; | ||
| 76 | } | ||