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main.c
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main.c
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/*
* main.c - common main function for lsof
*
* V. Abell, Purdue University
*/
/*
* 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";
#endif
#include "lsof.h"
/*
* Local definitions
*/
static int GObk[] = { 1, 1 }; /* option backspace values */
static char GOp; /* option prefix -- '+' or '-' */
static char *GOv = (char *)NULL; /* option `:' value pointer */
static int GOx1 = 1; /* first opt[][] index */
static int GOx2 = 0; /* second opt[][] index */
_PROTOTYPE(static int GetOpt,(int ct, char *opt[], char *rules, int *err));
_PROTOTYPE(static char *sv_fmt_str,(char *f));
/*
* main() - main function for lsof
*/
int
main(argc, argv)
int argc;
char *argv[];
{
int ad, c, i, n, rv, se1, se2, ss;
char *cp;
int err = 0;
int ev = 0;
int fh = 0;
char *fmtr = (char *)NULL;
long l;
MALLOC_S len;
struct lfile *lf;
struct nwad *np, *npn;
char options[128];
int rc = 0;
struct stat sb;
struct sfile *sfp;
struct lproc **slp = (struct lproc **)NULL;
int sp = 0;
struct str_lst *str, *strt;
int version = 0;
int xover = 0;
int pr_count = 0;
#if defined(HAS_STRFTIME)
char *fmt = (char *)NULL;
size_t fmtl = (size_t)0;
#endif /* defined(HAS_STRFTIME) */
#if defined(HASZONES)
znhash_t *zp;
#endif /* defined(HASZONES) */
#if defined(HASSELINUX)
/*
* This stanza must be immediately before the "Save progam name." code, since
* it contains code itself.
*/
cntxlist_t *cntxp;
CntxStatus = is_selinux_enabled() ? 1 : 0;
#endif /* defined(HASSELINUX) */
/*
* Save program name.
*/
if ((Pn = strrchr(argv[0], '/')))
Pn++;
else
Pn = argv[0];
/*
* Close enough file descriptors above 2 that library functions will have
* open descriptors.
*
* Make sure stderr, stdout, and stdin are open descriptors. Open /dev/null
* for ones that aren't. Be terse.
*
* Make sure umask allows lsof to define its own file permissions.
*/
if ((MaxFd = (int) GET_MAX_FD()) < 53)
MaxFd = 53;
#if defined(HAS_CLOSEFROM)
(void) closefrom(3);
#else /* !defined(HAS_CLOSEFROM) */
for (i = 3; i < MaxFd; i++)
(void) close(i);
#endif /* !defined(HAS_CLOSEFROM) */
while (((i = open("/dev/null", O_RDWR, 0)) >= 0) && (i < 2))
;
if (i < 0)
Exit(1);
if (i > 2)
(void) close(i);
(void) umask(0);
#if defined(HASSETLOCALE)
/*
* Set locale to environment's definition.
*/
(void) setlocale(LC_CTYPE, "");
#endif /* defined(HASSETLOCALE) */
/*
* Common initialization.
*/
Mypid = getpid();
if ((Mygid = (gid_t)getgid()) != getegid())
Setgid = 1;
Euid = geteuid();
if ((Myuid = (uid_t)getuid()) && !Euid)
Setuidroot = 1;
if (!(Namech = (char *)malloc(MAXPATHLEN + 1))) {
(void) fprintf(stderr, "%s: no space for name buffer\n", Pn);
Exit(1);
}
Namechl = (size_t)(MAXPATHLEN + 1);
/*
* Create option mask.
*/
(void) snpf(options, sizeof(options),
"?a%sbc:%sD:d:%s%sf:F:g:hi:%s%slL:%s%snNo:Op:Pr:%ss:S:tT:u:UvVwx:%s%s%s",
#if defined(HAS_AFS) && defined(HASAOPT)
"A:",
#else /* !defined(HAS_AFS) || !defined(HASAOPT) */
"",
#endif /* defined(HAS_AFS) && defined(HASAOPT) */
#if defined(HASNCACHE)
"C",
#else /* !defined(HASNCACHE) */
"",
#endif /* defined(HASNCACHE) */
#if defined(HASEOPT)
"e:",
#else /* !defined(HASEOPT) */
"",
#endif /* defined(HASEOPT) */
#if defined(HASEPTOPTS)
"E",
#else /* !defined(HASEPTOPTS) */
"",
#endif /* defined(HASEPTOPTS) */
#if defined(HASKOPT)
"k:",
#else /* !defined(HASKOPT) */
"",
#endif /* defined(HASKOPT) */
#if defined(HASTASKS)
"K:",
#else /* !defined(HASTASKS) */
"",
#endif /* defined(HASTASKS) */
#if defined(HASMOPT) || defined(HASMNTSUP)
"m:",
#else /* !defined(HASMOPT) && !defined(HASMNTSUP) */
"",
#endif /* defined(HASMOPT) || defined(HASMNTSUP) */
#if defined(HASNORPC_H)
"",
#else /* !defined(HASNORPC_H) */
"M",
#endif /* defined(HASNORPC_H) */
#if defined(HASPPID)
"R",
#else /* !defined(HASPPID) */
"",
#endif /* defined(HASPPID) */
#if defined(HASXOPT)
# if defined(HASXOPT_ROOT)
(Myuid == 0) ? "X" : "",
# else /* !defined(HASXOPT_ROOT) */
"X",
# endif /* defined(HASXOPT_ROOT) */
#else /* !defined(HASXOPT) */
"",
#endif /* defined(HASXOPT) */
#if defined(HASZONES)
"z:",
#else /* !defined(HASZONES) */
"",
#endif /* defined(HASZONES) */
#if defined(HASSELINUX)
"Z:"
#else /* !defined(HASSELINUX) */
""
#endif /* defined(HASSELINUX) */
);
/*
* Loop through options.
*/
while ((c = GetOpt(argc, argv, options, &rv)) != EOF) {
if (rv) {
err = 1;
continue;
}
switch (c) {
case 'a':
Fand = 1;
break;
#if defined(HAS_AFS) && defined(HASAOPT)
case 'A':
if (!GOv || *GOv == '-' || *GOv == '+') {
(void) fprintf(stderr, "%s: -A not followed by path\n", Pn);
err = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else
AFSApath = GOv;
break;
#endif /* defined(HAS_AFS) && defined(HASAOPT) */
case 'b':
Fblock = 1;
break;
case 'c':
if (GOp == '+') {
if (!GOv || (*GOv == '-') || (*GOv == '+')
|| !isdigit((int)*GOv))
{
(void) fprintf(stderr,
"%s: +c not followed by width number\n", Pn);
err = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else {
CmdLim = TaskCmdLim = atoi(GOv);
#if defined(MAXSYSCMDL)
if (CmdLim > MAXSYSCMDL) {
(void) fprintf(stderr,
"%s: +c %d > what system provides (%d)\n",
Pn, CmdLim, MAXSYSCMDL);
err = 1;
}
#endif /* defined(MAXSYSCMDL) */
}
break;
}
if (GOv && (*GOv == '/')) {
if (enter_cmd_rx(GOv))
err = 1;
} else {
if (enter_str_lst("-c", GOv, &Cmdl, &Cmdni, &Cmdnx))
err = 1;
#if defined(MAXSYSCMDL)
else if (Cmdl->len > MAXSYSCMDL) {
(void) fprintf(stderr, "%s: \"-c ", Pn);
(void) safestrprt(Cmdl->str, stderr, 2);
(void) fprintf(stderr, "\" length (%d) > what system",
Cmdl->len);
(void) fprintf(stderr, " provides (%d)\n",
MAXSYSCMDL);
Cmdl->len = 0; /* (to avoid later error report) */
err = 1;
}
#endif /* defined(MAXSYSCMDL) */
}
break;
#if defined(HASNCACHE)
case 'C':
Fncache = (GOp == '-') ? 0 : 1;
break;
#endif /* defined(HASNCACHE) */
case 'd':
if (GOp == '+') {
if (enter_dir(GOv, 0))
err = 1;
else {
Selflags |= SELNM;
xover = 1;
}
} else {
if (enter_fd(GOv))
err = 1;
}
break;
case 'D':
if (GOp == '+') {
if (enter_dir(GOv, 1))
err = 1;
else {
Selflags |= SELNM;
xover = 1;
}
} else {
#if defined(HASDCACHE)
if (ctrl_dcache(GOv))
err = 1;
#else /* !defined(HASDCACHE) */
(void) fprintf(stderr, "%s: unsupported option: -D\n", Pn);
err = 1;
#endif /* defined(HASDCACHE) */
}
break;
#if defined(HASEOPT)
case 'e':
if (enter_efsys(GOv, ((GOp == '+') ? 1 : 0)))
err = 1;
break;
#endif /* defined(HASEOPT) */
#if defined(HASEPTOPTS)
case 'E':
FeptE = (GOp == '+') ? 2 : 1;
break;
#endif /* defined(HASEPTOPTS) */
case 'f':
if (!GOv || *GOv == '-' || *GOv == '+') {
Ffilesys = (GOp == '+') ? 2 : 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
#if defined(HASFSTRUCT)
for (; *GOv; GOv++) {
switch (*GOv) {
# if !defined(HASNOFSCOUNT)
case 'c':
case 'C':
if (GOp == '+') {
Fsv |= FSV_CT;
FsvByf = 1;
} else
Fsv &= (unsigned char)~FSV_CT;
break;
# endif /* !defined(HASNOFSCOUNT) */
# if !defined(HASNOFSADDR)
case 'f':
case 'F':
if (GOp == '+') {
Fsv |= FSV_FA;
FsvByf = 1;
} else
Fsv &= (unsigned char)~FSV_FA;
break;
# endif /* !defined(HASNOFSADDR) */
# if !defined(HASNOFSFLAGS)
case 'g':
case 'G':
if (GOp == '+') {
Fsv |= FSV_FG;
FsvByf = 1;
} else
Fsv &= (unsigned char)~FSV_FG;
FsvFlagX = (*GOv == 'G') ? 1 : 0;
break;
# endif /* !defined(HASNOFSFLAGS) */
# if !defined(HASNOFSNADDR)
case 'n':
case 'N':
if (GOp == '+') {
Fsv |= FSV_NI;
FsvByf = 1;
} else
Fsv &= (unsigned char)~FSV_NI;
break;
# endif /* !defined(HASNOFSNADDR */
default:
(void) fprintf(stderr,
"%s: unknown file struct option: %c\n", Pn, *GOv);
err++;
}
}
#else /* !defined(HASFSTRUCT) */
(void) fprintf(stderr,
"%s: unknown string for %cf: %s\n", Pn, GOp, GOv);
err++;
#endif /* defined(HASFSTRUCT) */
break;
case 'F':
if (!GOv || *GOv == '-' || *GOv == '+'
|| strcmp(GOv, "0") == 0) {
if (GOv) {
if (*GOv == '-' || *GOv == '+') {
GOx1 = GObk[0];
GOx2 = GObk[1];
} else if (*GOv == '0')
Terminator = '\0';
}
for (i = 0; FieldSel[i].nm; i++) {
#if !defined(HASPPID)
if (FieldSel[i].id == LSOF_FID_PPID)
continue;
#endif /* !defined(HASPPID) */
#if !defined(HASTASKS)
if (FieldSel[i].id == LSOF_FID_TCMD)
continue;
#endif /* !defined(HASTASKS) */
#if !defined(HASFSTRUCT)
if (FieldSel[i].id == LSOF_FID_CT
|| FieldSel[i].id == LSOF_FID_FA
|| FieldSel[i].id == LSOF_FID_FG
|| FieldSel[i].id == LSOF_FID_NI)
continue;
#endif /* !defined(HASFSTRUCT) */
#if defined(HASSELINUX)
if ((FieldSel[i].id == LSOF_FID_CNTX) && !CntxStatus)
continue;
#else /* !defined(HASSELINUX) */
if (FieldSel[i].id == LSOF_FID_CNTX)
continue;
#endif /* !defined(HASSELINUX) */
if (FieldSel[i].id == LSOF_FID_RDEV)
continue; /* for compatibility */
#if !defined(HASTASKS)
if (FieldSel[i].id == LSOF_FID_TID)
continue;
#endif /* !defined(HASTASKS) */
#if !defined(HASZONES)
if (FieldSel[i].id == LSOF_FID_ZONE)
continue;
#endif /* !defined(HASZONES) */
FieldSel[i].st = 1;
if (FieldSel[i].opt && FieldSel[i].ov)
*(FieldSel[i].opt) |= FieldSel[i].ov;
}
#if defined(HASFSTRUCT)
Ffield = FsvFlagX = 1;
#else /* !defined(HASFSTRUCT) */
Ffield = 1;
#endif /* defined(HASFSTRUCT) */
break;
}
if (strcmp(GOv, "?") == 0) {
fh = 1;
break;
}
for (; *GOv; GOv++) {
for (i = 0; FieldSel[i].nm; i++) {
#if !defined(HASPPID)
if (FieldSel[i].id == LSOF_FID_PPID)
continue;
#endif /* !defined(HASPPID) */
#if !defined(HASTASKS)
if (FieldSel[i].id == LSOF_FID_TCMD)
continue;
#endif /* !defined(HASTASKS) */
#if !defined(HASFSTRUCT)
if (FieldSel[i].id == LSOF_FID_CT
|| FieldSel[i].id == LSOF_FID_FA
|| FieldSel[i].id == LSOF_FID_FG
|| FieldSel[i].id == LSOF_FID_NI)
continue;
#endif /* !defined(HASFSTRUCT) */
#if !defined(HASTASKS)
if (FieldSel[i].id == LSOF_FID_TID)
continue;
#endif /* !defined(HASTASKS) */
if (FieldSel[i].id == *GOv) {
FieldSel[i].st = 1;
if (FieldSel[i].opt && FieldSel[i].ov)
*(FieldSel[i].opt) |= FieldSel[i].ov;
#if defined(HASFSTRUCT)
if (i == LSOF_FIX_FG)
FsvFlagX = 1;
#endif /* defined(HASFSTRUCT) */
if (i == LSOF_FIX_TERM)
Terminator = '\0';
if (i == LSOF_FIX_OFFSET)
Foffset = 1;
break;
}
}
if ( ! FieldSel[i].nm) {
(void) fprintf(stderr,
"%s: unknown field: %c\n", Pn, *GOv);
err++;
}
}
Ffield = 1;
break;
case 'g':
if (GOv) {
if (*GOv == '-' || *GOv == '+') {
GOx1 = GObk[0];
GOx2 = GObk[1];
} else if (enter_id(PGID, GOv))
err = 1;
}
Fpgid = 1;
break;
case 'h':
case '?':
Fhelp = 1;
break;
case 'i':
if (!GOv || *GOv == '-' || *GOv == '+') {
Fnet = 1;
FnetTy = 0;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
if (enter_network_address(GOv))
err = 1;
break;
#if defined(HASKOPT)
case 'k':
if (!GOv || *GOv == '-' || *GOv == '+') {
(void) fprintf(stderr, "%s: -k not followed by path\n", Pn);
err = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else
Nmlst = GOv;
break;
#endif /* defined(HASKOPT) */
#if defined(HASTASKS)
case 'K':
if (!GOv || *GOv == '-' || *GOv == '+') {
Ftask = 1;
IgnTasks = 0;
Selflags |= SELTASK;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else {
if (!strcasecmp(GOv, "i")) {
Ftask = 0;
IgnTasks = 1;
Selflags &= ~SELTASK;
} else {
(void) fprintf(stderr,
"%s: -K not followed by i (but by %s)\n", Pn, GOv);
err = 1;
}
}
break;
#endif /* defined(HASTASKS) */
case 'l':
Futol = 0;
break;
case 'L':
Fnlink = (GOp == '+') ? 1 : 0;
if (!GOv || *GOv == '-' || *GOv == '+') {
Nlink = 0l;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
for (cp = GOv, l = 0l, n = 0; *cp; cp++) {
if (!isdigit((unsigned char)*cp))
break;
l = (l * 10l) + ((long)*cp - (long)'0');
n++;
}
if (n) {
if (GOp != '+') {
(void) fprintf(stderr,
"%s: no number may follow -L\n", Pn);
err = 1;
} else {
Nlink = l;
Selflags |= SELNLINK;
}
} else
Nlink = 0l;
if (*cp) {
GOx1 = GObk[0];
GOx2 = GObk[1] + n;
}
break;
#if defined(HASMOPT) || defined(HASMNTSUP)
case 'm':
if (GOp == '-') {
# if defined(HASMOPT)
if (!GOv || *GOv == '-' || *GOv == '+') {
(void) fprintf(stderr,
"%s: -m not followed by path\n", Pn);
err = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else
Memory = GOv;
# else /* !defined(HASMOPT) */
(void) fprintf(stderr, "%s: -m not supported\n", Pn);
err = 1;
# endif /* defined(HASMOPT) */
} else if (GOp == '+') {
# if defined(HASMNTSUP)
if (!GOv || *GOv == '-' || *GOv == '+') {
MntSup = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else {
MntSup = 2;
MntSupP = GOv;
}
# else /* !defined(HASMNTSUP) */
(void) fprintf(stderr, "%s: +m not supported\n", Pn);
err = 1;
# endif /* defined(HASMNTSUP) */
} else {
(void) fprintf(stderr, "%s: %cm not supported\n", Pn, GOp);
err = 1;
}
break;
#endif /* defined(HASMOPT) || defined(HASMNTSUP) */
#if !defined(HASNORPC_H)
case 'M':
FportMap = (GOp == '+') ? 1 : 0;
break;
#endif /* !defined(HASNORPC_H) */
case 'n':
Fhost = (GOp == '-') ? 0 : 1;
break;
case 'N':
Fnfs = 1;
break;
case 'o':
if (!GOv || *GOv == '-' || *GOv == '+') {
Foffset = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
for (cp = GOv, i = n = 0; *cp; cp++) {
if (!isdigit((unsigned char)*cp))
break;
i = (i * 10) + ((int)*cp - '0');
n++;
}
if (n)
OffDecDig = i;
else
Foffset = 1;
if (*cp) {
GOx1 = GObk[0];
GOx2 = GObk[1] + n;
}
break;
case 'O':
Fovhd = (GOp == '-') ? 1 : 0;
break;
case 'p':
if (enter_id(PID, GOv))
err = 1;
break;
case 'P':
Fport = (GOp == '-') ? 0 : 1;
break;
case 'r':
if (GOp == '+')
ev = rc = 1;
if (!GOv || *GOv == '-' || *GOv == '+') {
RptTm = RPTTM;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
for (cp = GOv, i = n = 0; *cp; cp++) {
if (!isdigit((unsigned char)*cp))
break;
i = (i * 10) + ((int)*cp - '0');
n++;
}
if (n)
RptTm = i;
else
RptTm = RPTTM;
if (!*cp)
break;
while(*cp && (*cp == ' '))
cp++;
if (*cp == 'c') {
cp++;
for (i = 0;
*cp && isdigit((unsigned char)*cp);
cp++)
i = (i * 10) + ((int)*cp - '0');
RptMaxCount = i;
}
if (*cp != LSOF_FID_MARK) {
GOx1 = GObk[0];
GOx2 = GObk[1] + n;
break;
}
#if defined(HAS_STRFTIME)
/*
* Collect the strftime(3) format and test it.
*/
cp++;
if ((fmtl = strlen(cp) + 1) < 1) {
(void) fprintf(stderr, "%s: <fmt> too short: \"%s\"\n",
Pn, cp);
err = 1;
} else {
fmt = cp;
fmtl = (fmtl * 8) + 1;
if (!(fmtr = (char *)malloc((MALLOC_S)fmtl))) {
(void) fprintf(stderr,
"%s: no space (%d) for <fmt> result: \"%s\"\n",
Pn, (int)fmtl, cp);
Exit(1);
}
if (util_strftime(fmtr, fmtl - 1, fmt) < 1) {
(void) fprintf(stderr, "%s: illegal <fmt>: \"%s\"\n",
Pn, fmt);
err = 1;
}
}
#else /* !defined(HAS_STRFTIME) */
(void) fprintf(stderr, "%s: m<fmt> not supported: \"%s\"\n",
Pn, cp);
err = 1;
#endif /* defined(HAS_STRFTIME) */
break;
#if defined(HASPPID)
case 'R':
Fppid = 1;
break;
#endif /* defined(HASPPID) */
case 's':
#if defined(HASTCPUDPSTATE)
if (!GOv || *GOv == '-' || *GOv == '+') {
Fsize = 1;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
} else {
if (enter_state_spec(GOv))
err = 1;
}
#else /* !defined(HASTCPUDPSTATE) */
Fsize = 1;
#endif /* defined(HASTCPUDPSTATE) */
break;
case 'S':
if (!GOv || *GOv == '-' || *GOv == '+') {
TmLimit = TMLIMIT;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
for (cp = GOv, i = n = 0; *cp; cp++) {
if (!isdigit((unsigned char)*cp))
break;
i = (i * 10) + ((int)*cp - '0');
n++;
}
if (n)
TmLimit = i;
else
TmLimit = TMLIMIT;
if (*cp) {
GOx1 = GObk[0];
GOx2 = GObk[1] + n;
}
if (TmLimit < TMLIMMIN) {
(void) fprintf(stderr,
"%s: WARNING: -S time (%d) changed to %d\n",
Pn, TmLimit, TMLIMMIN);
TmLimit = TMLIMMIN;
}
break;
case 't':
Fterse = Fwarn = 1;
break;
case 'T':
if (!GOv || *GOv == '-' || *GOv == '+') {
Ftcptpi = (GOp == '-') ? 0 : TCPTPI_STATE;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
}
for (Ftcptpi = 0; *GOv; GOv++) {
switch (*GOv) {
#if defined(HASSOOPT) || defined(HASSOSTATE) || defined(HASTCPOPT)
case 'f':
Ftcptpi |= TCPTPI_FLAGS;
break;
#endif /* defined(HASSOOPT) || defined(HASSOSTATE) || defined(HASTCPOPT) */
#if defined(HASTCPTPIQ)
case 'q':
Ftcptpi |= TCPTPI_QUEUES;
break;
#endif /* defined(HASTCPTPIQ) */
case 's':
Ftcptpi |= TCPTPI_STATE;
break;
#if defined(HASTCPTPIW)
case 'w':
Ftcptpi |= TCPTPI_WINDOWS;
break;
#endif /* defined(HASTCPTPIW) */
default:
(void) fprintf(stderr,
"%s: unsupported TCP/TPI info selection: %c\n",
Pn, *GOv);
err = 1;
}
}
break;
case 'u':
if (enter_uid(GOv))
err = 1;
break;
case 'U':
Funix = 1;
break;
case 'v':
version = 1;
break;
case 'V':
Fverbose = 1;
break;
case 'w':
Fwarn = (GOp == '+') ? 0 : 1;
break;
case 'x':
if (!GOv || *GOv == '-' || *GOv == '+') {
Fxover = XO_ALL;
if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];
}
break;
} else {
for (; *GOv; GOv++) {
switch (*GOv) {
case 'f':
Fxover |= XO_FILESYS;
break;
case 'l':
Fxover |= XO_SYMLINK;
break;
default:
(void) fprintf(stderr,
"%s: unknown cross-over option: %c\n",
Pn, *GOv);
err++;
}
}
}
break;
#if defined(HASXOPT)
case 'X':
Fxopt = Fxopt ? 0 : 1;
break;
#endif /* defined(HASXOPT) */
#if defined(HASZONES)
case 'z':
Fzone = 1;
if (GOv && (*GOv != '-') && (*GOv != '+')) {
/*
* Add to the zone name argument hash.
*/
if (enter_zone_arg(GOv))
err = 1;
} else if (GOv) {
GOx1 = GObk[0];
GOx2 = GObk[1];