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Diffstat (limited to 'store.c')
-rw-r--r-- | store.c | 387 |
1 files changed, 387 insertions, 0 deletions
@@ -0,0 +1,387 @@ +/* + * 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 1.41 2013/01/02 17:14:59 abe Exp $"; +#endif + + +#include "lsof.h" + + +/* + * Global storage definitions + */ + +#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 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, 0, 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_NAME, 0, LSOF_FNM_NAME, NULL, 0 }, /* 14 */ + { LSOF_FID_NI, 0, LSOF_FNM_NI, &Fsv, FSV_NI }, /* 15 */ + { LSOF_FID_OFFSET, 0, LSOF_FNM_OFFSET, NULL, 0 }, /* 16 */ + { LSOF_FID_PID, 1, LSOF_FNM_PID, NULL, 0 }, /* 17 */ + { LSOF_FID_PGID, 0, LSOF_FNM_PGID, &Fpgid, 1 }, /* 18 */ + { LSOF_FID_PROTO, 0, LSOF_FNM_PROTO, NULL, 0 }, /* 19 */ + { LSOF_FID_RDEV, 0, LSOF_FNM_RDEV, NULL, 0 }, /* 20 */ + { LSOF_FID_PPID, 0, LSOF_FNM_PPID, &Fppid, 1 }, /* 21 */ + { LSOF_FID_SIZE, 0, LSOF_FNM_SIZE, NULL, 0 }, /* 22 */ + { LSOF_FID_STREAM, 0, LSOF_FNM_STREAM, NULL, 0 }, /* 23 */ + { LSOF_FID_TYPE, 0, LSOF_FNM_TYPE, NULL, 0 }, /* 24 */ + { LSOF_FID_TCPTPI, 0, LSOF_FNM_TCPTPI, &Ftcptpi, TCPTPI_ALL }, /* 25 */ + { LSOF_FID_UID, 0, LSOF_FNM_UID, NULL, 0 }, /* 26 */ + { LSOF_FID_ZONE, 0, LSOF_FNM_ZONE, &Fzone, 1 }, /* 27 */ + { LSOF_FID_CNTX, 0, LSOF_FNM_CNTX, &Fcntx, 1 }, /* 28 */ + { LSOF_FID_TERM, 0, LSOF_FNM_TERM, NULL, 0 }, /* 29 */ + { ' ', 0, NULL, NULL, 0 } +}; + +int Hdr = 0; /* header print status */ +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 */ +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 = 1; /* all processes are selected (default) */ +int Selflags = 0; /* selection flags -- see SEL* in lsof.h */ +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 TaskPrtFl = 0; /* task print 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 TidColW = 0; /* 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 */ |