/*
* store.c - common global storage for lsof
*/
/*
* Copyright 1994 Purdue Research Foundation, West Lafayette, Indiana
* 47907. All rights reserved.
*
* Written by Victor A. Abell
*
* This software is not subject to any license of the American Telephone
* and Telegraph Company or the Regents of the University of California.
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. Neither the authors nor Purdue University are responsible for any
* consequences of the use of this software.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Credit to the authors and Purdue
* University must appear in documentation and sources.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 4. This notice may not be removed or altered.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright 1994 Purdue Research Foundation.\nAll rights reserved.\n";
static char *rcsid = "$Id: store.c,v 1.44 2018/02/14 14:20:14 abe Exp $";
#endif
#include "lsof.h"
/*
* Global storage definitions
*/
int AllProc = 1; /* all processes are selected (default) */
#if defined(HASBLKDEV)
struct l_dev *BDevtp = (struct l_dev *)NULL;
/* block device table pointer */
int BNdev = 0; /* number of entries in BDevtp[] */
struct l_dev **BSdev = (struct l_dev **)NULL;
/* pointer to BDevtp[] pointers, sorted
* by device */
#endif /* defined(HASBLKDEV) */
int CkPasswd = 0; /* time to check /etc/passwd for change */
#if defined(HAS_STD_CLONE)
struct clone *Clone = (struct clone *)NULL;
/* clone device list */
#endif /* defined(HAS_STD_CLONE) */
int CmdColW; /* COMMAND column width */
struct str_lst *Cmdl = (struct str_lst *)NULL;
/* command names selected with -c */
int CmdLim = CMDL; /* COMMAND column width limit */
int Cmdni = 0; /* command name inclusions selected with -c */
int Cmdnx = 0; /* command name exclusions selected with -c */
lsof_rx_t *CmdRx = (lsof_rx_t *)NULL;
/* command regular expression table */
#if defined(HASSELINUX)
cntxlist_t *CntxArg = (cntxlist_t *)NULL;
/* security context arguments supplied with
* -Z */
int CntxColW; /* security context column width */
int CntxStatus = 0; /* security context status: 0 == disabled,
* 1 == enabled */
#endif /* defined(HASSELINUX) */
#if defined(HASDCACHE)
unsigned DCcksum; /* device cache file checksum */
int DCfd = -1; /* device cache file descriptor */
FILE *DCfs = (FILE *)NULL; /* stream pointer for DCfd */
char *DCpathArg = (char *)NULL; /* device cache path from -D[b|r|u]<path> */
char *DCpath[] = { /* device cache paths, indexed by DCpathX
*when it's >= 0 */
(char *)NULL, (char *)NULL, (char *)NULL, (char *)NULL
};
int DCpathX = -1; /* device cache path index:
* -1 = path not defined
* 0 = defined via -D
* 1 = defined via HASENVDC
* 2 = defined via HASSYSDC
* 3 = defined via HASPERSDC and
* HASPERSDCPATH */
int DCrebuilt = 0; /* an unsafe device cache file has been
* rebuilt */
int DCstate = 3; /* device cache state:
* 0 = ignore (-Di)
* 1 = build (-Db[path])
* 2 = read; don't rebuild (-Dr[path])
* 3 = update; read and rebuild if
* necessary (-Du[path])
*/
int DCunsafe = 0; /* device cache file is potentially unsafe,
* (The [cm]time check failed.) */
#endif /* defined(HASDCACHE) */
int DChelp = 0; /* -D? status */
int DevColW; /* DEVICE column width */
dev_t DevDev; /* device number of /dev or its equivalent */
struct l_dev *Devtp = (struct l_dev *)NULL;
/* device table pointer */
/*
* Externals for a stkdir(), dumbed-down for older AIX compilers.
*/
char **Dstk = (char **)NULL; /* the directory stack */
int Dstkx = 0; /* Dstk[] index */
int Dstkn = 0; /* Dstk[] entries allocated */
efsys_list_t *Efsysl = (efsys_list_t *)NULL;
/* file systems for which kernel blocks are
* to be eliminated */
int ErrStat = 0; /* path stat() error count */
uid_t Euid; /* effective UID of this lsof process */
int Fand = 0; /* -a option status */
int Fblock = 0; /* -b option status */
int FcColW; /* FCT column width */
int Fcntx = 0; /* -Z option status */
int FdColW; /* FD column width */
int FeptE = 0; /* -E option status: 0==none, 1==info,
* 2==info+files */
int Ffilesys = 0; /* -f option status:
* 0 = paths may be file systems
* 1 = paths are just files
* 2 = paths must be file systems */
#if defined(HASNCACHE)
int Fncache = 1; /* -C option status */
int NcacheReload = 1; /* 1 == call ncache_load() */
#endif /* defined(HASNCACHE) */
int Ffield = 0; /* -f and -F status */
int FgColW; /* FILE-FLAG column width */
int Fhelp = 0; /* -h option status */
int Fhost = 1; /* -H option status */
int Fnet = 0; /* -i option status: 0==none
* 1==find all
* 2==some found*/
int FnetTy = 0; /* Fnet type request: 0==all
* 4==IPv4
* 6==IPv6 */
int Fnfs = 0; /* -N option status: 0==none, 1==find all,
* 2==some found*/
int Fnlink = 0; /* -L option status */
int Foffset = 0; /* -o option status */
int Fovhd = 0; /* -O option status */
int Fport = 1; /* -P option status */
#if !defined(HASNORPC_H)
# if defined(HASPMAPENABLED)
int FportMap = 1; /* +|-M option status */
# else /* !defined(HASPMAPENABLED) */
int FportMap = 0; /* +|-M option status */
# endif /* defined(HASPMAPENABLED) */
#endif /* !defined(HASNORPC_H) */
int Fpgid = 0; /* -g option status */
int Fppid = 0; /* -R option status */
int Fsize = 0; /* -s option status */
int FsColW; /* FSTR-ADDR column width */
int Fsv = FSV_DEFAULT; /* file struct value selections */
int FsvByf = 0; /* Fsv was set by +f */
int FsvFlagX = 0; /* hex format status for FSV_FG */
int Ftask = 0; /* -K option value */
int NiColW; /* NODE-ID column width */
char *NiTtl = NITTL; /* NODE-ID column title */
int Ftcptpi = TCPTPI_STATE; /* -T option status */
int Fterse = 0; /* -t option status */
int Funix = 0; /* -U option status */
int Futol = 1; /* -l option status */
int Fverbose = 0; /* -V option status */
#if defined(WARNINGSTATE)
int Fwarn = 1; /* +|-w option status */
#else /* !defined(WARNINGSTATE) */
int Fwarn = 0; /* +|-w option status */
#endif /* defined(WARNINGSTATE) */
#if defined(HASXOPT_VALUE)
int Fxopt = HASXOPT_VALUE; /* -X option status */
#endif /* defined(HASXOPT_VALUE) */
int Fxover = 0; /* -x option value */
int Fzone = 0; /* -z option status */
struct fd_lst *Fdl = (struct fd_lst *)NULL;
/* file descriptors selected with -d */
int FdlTy = -1; /* Fdl[] type: -1 == none
* 0 == include
* 1 == exclude */
struct fieldsel FieldSel[] = {
{ LSOF_FID_ACCESS, 0, LSOF_FNM_ACCESS, NULL, 0 }, /* 0 */
{ LSOF_FID_CMD, 0, LSOF_FNM_CMD, NULL, 0 }, /* 1 */
{ LSOF_FID_CT, 0, LSOF_FNM_CT, &Fsv, FSV_CT }, /* 2 */
{ LSOF_FID_DEVCH, 0, LSOF_FNM_DEVCH, NULL, 0 }, /* 3 */
{ LSOF_FID_DEVN, 0, LSOF_FNM_DEVN, NULL, 0 }, /* 4 */
{ LSOF_FID_FD, 1, LSOF_FNM_FD, NULL, 0 }, /* 5 */
{ LSOF_FID_FA, 0, LSOF_FNM_FA, &Fsv, FSV_FA }, /* 6 */
{ LSOF_FID_FG, 0, LSOF_FNM_FG, &Fsv, FSV_FG }, /* 7 */
{ LSOF_FID_INODE, 0, LSOF_FNM_INODE, NULL, 0 }, /* 8 */
{ LSOF_FID_NLINK, 0, LSOF_FNM_NLINK, &Fnlink, 1 }, /* 9 */
{ LSOF_FID_TID, 0, LSOF_FNM_TID, NULL, 0 }, /* 11 */
{ LSOF_FID_LOCK, 0, LSOF_FNM_LOCK, NULL, 0 }, /* 11 */
{ LSOF_FID_LOGIN, 0, LSOF_FNM_LOGIN, NULL, 0 }, /* 12 */
{ LSOF_FID_MARK, 1, LSOF_FNM_MARK, NULL, 0 }, /* 13 */
{ LSOF_FID_TCMD, 0, LSOF_FNM_TCMD, NULL, 0 }, /* 14 */
{ LSOF_FID_NAME, 0, LSOF_FNM_NAME, NULL, 0 }, /* 15 */
{ LSOF_FID_NI, 0, LSOF_FNM_NI, &Fsv, FSV_NI }, /* 16 */
{ LSOF_FID_OFFSET, 0, LSOF_FNM_OFFSET, NULL, 0 }, /* 17 */
{ LSOF_FID_PID, 1, LSOF_FNM_PID, NULL, 0 }, /* 18 */
{ LSOF_FID_PGID, 0, LSOF_FNM_PGID, &Fpgid, 1 }, /* 19 */
{ LSOF_FID_PROTO, 0, LSOF_FNM_PROTO, NULL, 0 }, /* 20 */
{ LSOF_FID_RDEV, 0, LSOF_FNM_RDEV, NULL, 0 }, /* 21 */
{ LSOF_FID_PPID, 0, LSOF_FNM_PPID, &Fppid, 1 }, /* 22 */
{ LSOF_FID_SIZE, 0, LSOF_FNM_SIZE, NULL, 0 }, /* 23 */
{ LSOF_FID_STREAM, 0, LSOF_FNM_STREAM, NULL, 0 }, /* 24 */
{ LSOF_FID_TYPE, 0, LSOF_FNM_TYPE, NULL, 0 }, /* 25 */
{ LSOF_FID_TCPTPI, 0, LSOF_FNM_TCPTPI, &Ftcptpi, TCPTPI_ALL }, /* 26 */
{ LSOF_FID_UID, 0, LSOF_FNM_UID, NULL, 0 }, /* 27 */
{ LSOF_FID_ZONE, 0, LSOF_FNM_ZONE, &Fzone, 1 }, /* 28 */
{ LSOF_FID_CNTX, 0, LSOF_FNM_CNTX, &Fcntx, 1 }, /* 29 */
{ LSOF_FID_TERM, 0, LSOF_FNM_TERM, NULL, 0 }, /* 30 */
{ ' ', 0, NULL, NULL, 0 }
};
int Hdr = 0; /* header print status */
int IgnTasks = 0; /* ignore tasks when non-zero */
char *InodeFmt_d = (char *) NULL;
/* INODETYPE decimal printf specification */
char *InodeFmt_x = (char *) NULL;
/* INODETYPE hexadecimal printf specification */
int LastPid = -1; /* last PID listed (for eliminating duplicates
* in terse output) */
struct lfile *Lf = (struct lfile *)NULL;
/* current local file structure */
struct lproc *Lp = (struct lproc *)NULL;
/* current local process table entry */
struct lproc *Lproc = (struct lproc *)NULL;
/* local process table */
int MaxFd; /* maximum file descriptors to close */
char *Memory = (char *)NULL; /* core file path */
int MntSup = 0; /* mount supplement state: 0 == none
* 1 == create
* 2 == read */
char *MntSupP = (char *)NULL; /* mount supplement path -- if MntSup == 2 */
#if defined(HASPROCFS)
struct mounts *Mtprocfs = (struct mounts *)NULL;
/* /proc mount entry */
#endif /* defined(HASPROCFS) */
int Mxpgid = 0; /* maximum process group ID table entries */
int Mxpid = 0; /* maximum PID table entries */
int Mxuid = 0; /* maximum UID table entries */
gid_t Mygid; /* real GID of this lsof process */
int Mypid; /* lsof's process ID */
uid_t Myuid; /* real UID of this lsof process */
char *Namech = (char *)NULL; /* name characters for printing */
size_t Namechl = (size_t)0; /* sizeof(Namech) */
int NCmdRxU = 0; /* number of CmdRx[] entries */
int Ndev = 0; /* number of entries in Devtp[] */
#if defined(HASNLIST)
struct NLIST_TYPE *Nl = (struct NLIST_TYPE *)NULL;
/* kernel name list */
int Nll = 0; /* Nl calloc'd length */
#endif /* defined(HASNLIST) */
long Nlink = 0l; /* report nlink values below this number
* (0 = report all nlink values) */
int Nlproc = 0; /* number of entries in Lproc[] */
int NlColW; /* NLINK column width */
int NmColW; /* NAME column width */
char *Nmlst = (char *)NULL; /* namelist file path */
int NodeColW; /* NODE column width */
int Npgid = 0; /* -g option count */
int Npgidi = 0; /* -g option inclusion count */
int Npgidx = 0; /* -g option exclusion count */
int Npid = 0; /* -p option count */
int Npidi = 0; /* -p option inclusion count */
int Npidx = 0; /* -p option exclusion count */
int Npuns; /* number of unselected PIDs (starts at Npid) */
int Ntype; /* node type (see N_* symbols) */
int Nuid = 0; /* -u option count */
int Nuidexcl = 0; /* -u option count of UIDs excluded */
int Nuidincl = 0; /* -u option count of UIDs included */
struct nwad *Nwad = (struct nwad *)NULL;
/* list of network addresses */
int OffDecDig = OFFDECDIG; /* offset decimal form (0t...) digit limit */
int OffColW; /* OFFSET column width */
int PgidColW; /* PGID column width */
int PidColW; /* PID column width */
struct lfile *Plf = (struct lfile *)NULL;
/* previous local file structure */
char *Pn; /* program name */
int PpidColW; /* PPID column width */
#if defined(HASPROCFS)
int Procfind = 0; /* 1 when searching for an proc file system
* file and one was found */
struct procfsid *Procfsid = (struct procfsid *)NULL;
/* proc file system PID search table */
int Procsrch = 0; /* 1 if searching for any proc file system
* file */
#endif /* defined(HASPROCFS) */
int PrPass = 0; /* print pass: 0 = compute column widths
* 1 = print */
int RptTm = 0; /* repeat time -- set by -r */
struct l_dev **Sdev = (struct l_dev **)NULL;
/* pointer to Devtp[] pointers, sorted
* by device */
int SelAll = 0; /* SELALL flags, modified by IgnTasks */
int Selflags = 0; /* selection flags -- see SEL* in lsof.h */
int SelProc = 0; /* SELPROC flags, modified by IgnTasks */
int Setgid = 0; /* setgid state */
int Selinet = 0; /* select only Internet socket files */
int Setuidroot = 0; /* setuid-root state */
struct sfile *Sfile = (struct sfile *)NULL;
/* chain of files to search for */
struct int_lst *Spgid = (struct int_lst *)NULL;
/* process group IDs to search for */
struct int_lst *Spid = (struct int_lst *)NULL;
/* Process IDs to search for */
struct seluid *Suid = (struct seluid *)NULL;
/* User IDs to include or exclude */
int SzColW; /* SIZE column width */
int SzOffColW; /* SIZE/OFF column width */
char *SzOffFmt_0t = (char *)NULL;
/* SZOFFTYPE 0t%u printf specification */
char *SzOffFmt_d = (char *)NULL;
/* SZOFFTYPE %d printf specification */
char *SzOffFmt_dv = (char *)NULL;
/* SZOFFTYPE %*d printf specification */
char *SzOffFmt_x = (char *)NULL;
/* SZOFFTYPE %#x printf specification */
int TaskCmdColW = 0; /* task command column width */
int TaskCmdLim = TASKCMDL; /* TASKCMD column width limit (same as
* CmdLim) */
int TaskPrtCmd = 0; /* task print task command flag */
int TaskPrtTid = 0; /* task print TID flag */
int TcpStAlloc = 0; /* allocated (possibly unused) entries in TCP
* state tables */
unsigned char *TcpStI = (unsigned char *)NULL;
/* included TCP states */
int TcpStIn = 0; /* number of entries in TcpStI[] */
int TcpStOff = 0; /* offset for TCP state number to adjust
* negative numbers to an index into TcpSt[],
* TcpStI[] and TcpStX[] */
unsigned char *TcpStX = (unsigned char *)NULL;
/* excluded TCP states */
int TcpStXn = 0; /* number of entries in TcpStX[] */
int TcpNstates = 0; /* number of TCP states -- either in
* tcpstates[] or TcpSt[] */
char **TcpSt = (char **)NULL; /* local TCP state names, indexed by system
* state value */
char Terminator = '\n'; /* output field terminator */
int TaskTidColW = 0; /* task TID column width */
int TmLimit = TMLIMIT; /* Readlink() and stat() timeout (seconds) */
int TypeColW; /* TYPE column width */
int UdpStAlloc = 0; /* allocated (possibly unused) entries in UDP
* state tables */
unsigned char *UdpStI = (unsigned char *)NULL;
/* included UDP states */
int UdpStIn = 0; /* number of entries in UdpStI[] */
int UdpStOff = 0; /* offset for UDP state number to adjust
* negative numbers to an index into UdpSt[],
* UdpStI[] and UdpStX[] */
unsigned char *UdpStX = (unsigned char *)NULL;
/* excluded UDP states */
int UdpStXn = 0; /* number of entries in UdpStX[] */
int UdpNstates = 0; /* number of UDP states in UdpSt[] */
char **UdpSt = (char **)NULL; /* local UDP state names, indexed by system
* state number */
int UserColW; /* USER column width */
#if defined(HASZONES)
znhash_t **ZoneArg = (znhash_t **)NULL;
/* zone arguments supplied with -z */
#endif /* defined(HASZONES) */
int ZoneColW; /* ZONE column width */