Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/lpr/lpd/../common_source/displayq.c	Lines:	0	259	0.0 %
Date:	2017-11-13	Branches:	0	213	0.0 %


/*	$OpenBSD: displayq.c,v 1.39 2016/03/17 05:27:10 bentley Exp $	*/
/*	$NetBSD: displayq.c,v 1.21 2001/08/30 00:51:50 itojun Exp $	*/

/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 <sys/file.h>
#include <sys/ioctl.h>
#include <sys/stat.h>

#include <ctype.h>
#include <errno.h>
#include <dirent.h>
#include <fcntl.h>
#include <limits.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>

#include "lp.h"
#include "lp.local.h"
#include "pathnames.h"

/*
 * Routines to display the state of the queue.
 */
#define JOBCOL	40		/* column for job # in -l format */
#define OWNCOL	7		/* start of Owner column in normal */
#define SIZCOL	62		/* start of Size column in normal */

/*
 * Stuff for handling job specifications
 */
extern int	requ[];		/* job number of spool entries */
extern int	requests;	/* # of spool requests */
extern char    *user[];	        /* users to process */
extern int	users;		/* # of users in user array */

static int	termwidth;
static int	col;		/* column on screen */
static char	current[NAME_MAX]; /* current file being printed */
static char	file[NAME_MAX];	/* print file name */
static int	first;		/* first file in ``files'' column? */
static int	lflag;		/* long output option */
static off_t	totsize;	/* total print job size in bytes */

static const char head0[] = "Rank   Owner      Job  Files";
static const char head1[] = "Total Size\n";

static void	alarmer(int);
static void	blankfill(int);
static void	dump(char *, char *, int);
static void	header(void);
static void	inform(char *, int);
static int	inlist(char *, char *);
static void	ldump(char *, char *, int);
static void	nodaemon(void);
static void	prank(int);
static void	show(char *, char *, int);

/*
 * Display the current state of the queue. Format = 1 if long format.
 */
void
displayq(int format)
{
	struct queue *q;
	int i, rank, nitems, fd, ret, len;
	char *cp, *ecp, *p;
	struct queue **queue;
	struct winsize win;
	struct stat statb;
	FILE *fp;

	termwidth = 0;
	if ((p = getenv("COLUMNS")) != NULL)
		termwidth = strtonum(p, 1, INT_MAX, NULL);
	if (termwidth == 0 && ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == 0 &&
	    win.ws_col > 0)
		termwidth = win.ws_col;
	if (termwidth == 0)
		termwidth = 80;

	if (termwidth < 60)
		termwidth = 60;

	lflag = format;
	totsize = 0;
	if ((i = cgetent(&bp, printcapdb, printer)) == -2)
		fatal("can't open printer description file");
	else if (i == -1)
		fatal("unknown printer");
	else if (i == -3)
		fatal("potential reference loop detected in printcap file");
	if (cgetstr(bp, DEFLP, &LP) < 0)
		LP = _PATH_DEFDEVLP;
	if (cgetstr(bp, "rp", &RP) < 0)
		RP = DEFLP;
	if (cgetstr(bp, "sd", &SD) < 0)
		SD = _PATH_DEFSPOOL;
	if (cgetstr(bp, "lo", &LO) < 0)
		LO = DEFLOCK;
	if (cgetstr(bp, "st", &ST) < 0)
		ST = DEFSTAT;
	cgetstr(bp, "rm", &RM);
	if ((cp = checkremote()) != NULL)
		printf("Warning: %s\n", cp);

	/*
	 * Print out local queue
	 * Find all the control files in the spooling directory
	 */
	PRIV_START;
	if (chdir(SD) < 0)
		fatal("cannot chdir to spooling directory");
	PRIV_END;
	if ((nitems = getq(&queue)) < 0)
		fatal("cannot examine spooling area");
	PRIV_START;
	ret = stat(LO, &statb);
	PRIV_END;
	if (ret >= 0) {
		if (statb.st_mode & S_IXUSR) {
			if (remote)
				printf("%s: ", host);
			printf("Warning: %s is down: ", printer);
			PRIV_START;
			fd = safe_open(ST, O_RDONLY|O_NOFOLLOW, 0);
			PRIV_END;
			if (fd >= 0 && flock(fd, LOCK_SH) == 0) {
				while ((i = read(fd, line, sizeof(line))) > 0)
					(void)fwrite(line, 1, i, stdout);
				(void)close(fd);	/* unlocks as well */
			} else
				putchar('\n');
		}
		if (statb.st_mode & S_IXGRP) {
			if (remote)
				printf("%s: ", host);
			printf("Warning: %s queue is turned off\n", printer);
		}
	}

	if (nitems) {
		PRIV_START;
		fd = safe_open(LO, O_RDONLY|O_NOFOLLOW, 0);
		PRIV_END;
		if (fd < 0 || (fp = fdopen(fd, "r")) == NULL) {
			if (fd >= 0)
				close(fd);
			nodaemon();
		} else {
			/* get daemon pid */
			cp = current;
			ecp = cp + sizeof(current) - 1;
			while ((i = getc(fp)) != EOF && i != '\n') {
				if (cp < ecp)
					*cp++ = i;
			}
			*cp = '\0';
			i = atoi(current);
			if (i <= 0) {
				ret = -1;
			} else {
				PRIV_START;
				ret = kill(i, 0);
				PRIV_END;
			}
			if (ret < 0 && errno != EPERM) {
				nodaemon();
			} else {
				/* read current file name */
				cp = current;
		    		ecp = cp + sizeof(current) - 1;
				while ((i = getc(fp)) != EOF && i != '\n') {
					if (cp < ecp)
						*cp++ = i;
				}
				*cp = '\0';
				/*
				 * Print the status file.
				 */
				if (remote)
					printf("%s: ", host);
				PRIV_START;
				fd = safe_open(ST, O_RDONLY|O_NOFOLLOW, 0);
				PRIV_END;
				if (fd >= 0 && flock(fd, LOCK_SH) == 0) {
					while ((i = read(fd, line, sizeof(line))) > 0)
						(void)fwrite(line, 1, i, stdout);
					(void)close(fd);	/* unlocks as well */
				} else
					putchar('\n');
			}
			(void)fclose(fp);
		}
		/*
		 * Now, examine the control files and print out the jobs to
		 * be done for each user.
		 */
		if (!lflag)
			header();
		/* The currently printed job is treated specially. */
		if (!remote && current[0] != '\0')
			inform(current, 0);
		for (i = 0, rank = 1; i < nitems; i++) {
			q = queue[i];
			if (remote || strcmp(current, q->q_name) != 0)
				inform(q->q_name, rank++);
			free(q);
		}
	}
	free(queue);
	if (!remote) {
		if (nitems == 0)
			puts("no entries");
		return;
	}

	/*
	 * Print foreign queue
	 * Note that a file in transit may show up in either queue.
	 */
	if (nitems)
		putchar('\n');
	(void)snprintf(line, sizeof(line), "%c%s", format + '\3', RP);
	cp = line;
	cp += strlen(cp);
	for (i = 0; i < requests && cp - line < sizeof(line) - 1; i++) {
		len = line + sizeof(line) - cp;
		if (snprintf(cp, len, " %d", requ[i]) >= len) {
			cp += strlen(cp);
			break;
		}
		cp += strlen(cp);
	}
	for (i = 0; i < users && cp - line < sizeof(line) - 1; i++) {
		len = line + sizeof(line) - cp;
		if (snprintf(cp, len, " %s", user[i]) >= len) {
			cp += strlen(cp);
			break;
		}
	}
	if (cp-line < sizeof(line) - 1)
		strlcat(line, "\n", sizeof(line));
	else
		line[sizeof(line) - 2] = '\n';
	fd = getport(RM, 0);
	if (fd < 0) {
		if (from != host)
			printf("%s: ", host);
		(void)printf("connection to %s is down\n", RM);
	}
	else {
		struct sigaction osa, nsa;
		char *visline;
		int n = 0;

		i = strlen(line);
		if (write(fd, line, i) != i)
			fatal("Lost connection");
		memset(&nsa, 0, sizeof(nsa));
		nsa.sa_handler = alarmer;
		sigemptyset(&nsa.sa_mask);
		nsa.sa_flags = 0;
		(void)sigaction(SIGALRM, &nsa, &osa);
		alarm(wait_time);
		if ((visline = malloc(4 * sizeof(line) + 1)) == NULL)
			fatal("Out of memory");
		while ((i = read(fd, line, sizeof(line))) > 0) {
			n = strvisx(visline, line, i, VIS_SAFE|VIS_NOSLASH);
			(void)fwrite(visline, 1, n, stdout);
			alarm(wait_time);
		}
		/* XXX some LPR implementations may not end stream with '\n' */
		if (n > 0 && visline[n-1] != '\n')
			putchar('\n');
		alarm(0);
		(void)sigaction(SIGALRM, &osa, NULL);
		free(visline);
		(void)close(fd);
	}
}

static void
alarmer(int s)
{
	/* nothing */
}

/*
 * Print a warning message if there is no daemon present.
 */
static void
nodaemon(void)
{
	if (remote)
		printf("\n%s: ", host);
	puts("Warning: no daemon present");
	current[0] = '\0';
}

/*
 * Print the header for the short listing format
 */
static void
header(void)
{
	printf(head0);
	col = strlen(head0)+1;
	blankfill(termwidth - (80 - SIZCOL));
	printf(head1);
}

static void
inform(char *cf, int rank)
{
	int fd, j;
	FILE *cfp = NULL;

	/*
	 * There's a chance the control file has gone away
	 * in the meantime; if this is the case just keep going
	 */
	PRIV_START;
	fd = safe_open(cf, O_RDONLY|O_NOFOLLOW, 0);
	PRIV_END;
	if (fd < 0 || (cfp = fdopen(fd, "r")) == NULL) {
		if (fd >= 0)
			close(fd);
		return;
	}

	j = 0;
	while (get_line(cfp)) {
		switch (line[0]) {
		case 'P': /* Was this file specified in the user's list? */
			if (!inlist(line+1, cf)) {
				fclose(cfp);
				return;
			}
			if (lflag) {
				printf("\n%s: ", line+1);
				col = strlen(line+1) + 2;
				prank(rank);
				blankfill(JOBCOL);
				printf(" [job %s]\n", cf+3);
			} else {
				col = 0;
				prank(rank);
				blankfill(OWNCOL);
				printf("%-10s %-3d  ", line+1, atoi(cf+3));
				col += 16;
				first = 1;
			}
			continue;
		default: /* some format specifer and file name? */
			if (line[0] < 'a' || line[0] > 'z')
				continue;
			if (j == 0 || strcmp(file, line+1) != 0)
				(void)strlcpy(file, line+1, sizeof(file));
			j++;
			continue;
		case 'N':
			show(line+1, file, j);
			file[0] = '\0';
			j = 0;
		}
	}
	fclose(cfp);
	if (!lflag) {
		blankfill(termwidth - (80 - SIZCOL));
		printf("%lld bytes\n", (long long)totsize);
		totsize = 0;
	}
}

static int
inlist(char *name, char *file)
{
	int *r, n;
	char **u, *cp;

	if (users == 0 && requests == 0)
		return(1);
	/*
	 * Check to see if it's in the user list
	 */
	for (u = user; u < &user[users]; u++)
		if (!strcmp(*u, name))
			return(1);
	/*
	 * Check the request list
	 */
	for (n = 0, cp = file+3; isdigit((unsigned char)*cp); )
		n = n * 10 + (*cp++ - '0');
	for (r = requ; r < &requ[requests]; r++)
		if (*r == n && !strcmp(cp, from))
			return(1);
	return(0);
}

static void
show(char *nfile, char *file, int copies)
{
	if (strcmp(nfile, " ") == 0)
		nfile = "(standard input)";
	if (lflag)
		ldump(nfile, file, copies);
	else
		dump(nfile, file, copies);
}

/*
 * Fill the line with blanks to the specified column
 */
static void
blankfill(int n)
{
	while (col++ < n)
		putchar(' ');
}

/*
 * Give the abbreviated dump of the file names
 */
static void
dump(char *nfile, char *file, int copies)
{
	int n, fill;
	struct stat lbuf;

	/*
	 * Print as many files as will fit
	 *  (leaving room for the total size)
	 */
	 fill = first ? 0 : 2;	/* fill space for ``, '' */
	 if (((n = strlen(nfile)) + col + fill) >=
	     (termwidth - (80 - SIZCOL)) - 4) {
		if (col < (termwidth - (80 - SIZCOL))) {
			printf(" ..."), col += 4;
			blankfill(termwidth - (80 - SIZCOL));
		}
	} else {
		if (first)
			first = 0;
		else
			printf(", ");
		printf("%s", nfile);
		col += n+fill;
	}
	PRIV_START;
	if (*file && !stat(file, &lbuf))
		totsize += copies * lbuf.st_size;
	PRIV_END;
}

/*
 * Print the long info about the file
 */
static void
ldump(char *nfile, char *file, int copies)
{
	struct stat lbuf;
	int ret;

	putchar('\t');
	if (copies > 1)
		printf("%-2d copies of %-19s", copies, nfile);
	else
		printf("%-32s", nfile);
	PRIV_START;
	ret = stat(file, &lbuf);
	PRIV_END;
	if (*file && !ret)
		printf(" %lld bytes", (long long)lbuf.st_size);
	else
		printf(" ??? bytes");
	putchar('\n');
}

/*
 * Print the job's rank in the queue,
 *   update col for screen management
 */
static void
prank(int n)
{
	char rline[100];
	static char *r[] = {
		"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
	};

	if (n == 0) {
		printf("active");
		col += 6;
		return;
	}
	if ((n/10)%10 == 1)
		(void)snprintf(rline, sizeof(rline), "%dth", n);
	else
		(void)snprintf(rline, sizeof(rline), "%d%s", n, r[n%10]);
	col += strlen(rline);
	printf("%s", rline);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: displayq.c,v 1.39 2016/03/17 05:27:10 bentley Exp $ */
2			/* $NetBSD: displayq.c,v 1.21 2001/08/30 00:51:50 itojun Exp $ */
3
4			/*
5			* Copyright (c) 1983, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			#include <sys/file.h>
34			#include <sys/ioctl.h>
35			#include <sys/stat.h>
36
37			#include <ctype.h>
38			#include <errno.h>
39			#include <dirent.h>
40			#include <fcntl.h>
41			#include <limits.h>
42			#include <signal.h>
43			#include <stdio.h>
44			#include <stdlib.h>
45			#include <string.h>
46			#include <unistd.h>
47			#include <vis.h>
48
49			#include "lp.h"
50			#include "lp.local.h"
51			#include "pathnames.h"
52
53			/*
54			* Routines to display the state of the queue.
55			*/
56			#define JOBCOL 40 /* column for job # in -l format */
57			#define OWNCOL 7 /* start of Owner column in normal */
58			#define SIZCOL 62 /* start of Size column in normal */
59
60			/*
61			* Stuff for handling job specifications
62			*/
63			extern int requ[]; /* job number of spool entries */
64			extern int requests; /* # of spool requests */
65			extern char user[]; / users to process */
66			extern int users; /* # of users in user array */
67
68			static int termwidth;
69			static int col; /* column on screen */
70			static char current[NAME_MAX]; /* current file being printed */
71			static char file[NAME_MAX]; /* print file name */
72			static int first; /* first file in ``files'' column? */
73			static int lflag; /* long output option */
74			static off_t totsize; /* total print job size in bytes */
75
76			static const char head0[] = "Rank Owner Job Files";
77			static const char head1[] = "Total Size\n";
78
79			static void alarmer(int);
80			static void blankfill(int);
81			static void dump(char , char , int);
82			static void header(void);
83			static void inform(char *, int);
84			static int inlist(char , char );
85			static void ldump(char , char , int);
86			static void nodaemon(void);
87			static void prank(int);
88			static void show(char , char , int);
89
90			/*
91			* Display the current state of the queue. Format = 1 if long format.
92			*/
93			void
94			displayq(int format)
95			{
96			struct queue *q;
97			int i, rank, nitems, fd, ret, len;
98			char cp, ecp, *p;
99			struct queue **queue;
100			struct winsize win;
101			struct stat statb;
102			FILE *fp;
103
104			termwidth = 0;
105			if ((p = getenv("COLUMNS")) != NULL)
106			termwidth = strtonum(p, 1, INT_MAX, NULL);
107			if (termwidth == 0 && ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == 0 &&
108			win.ws_col > 0)
109			termwidth = win.ws_col;
110			if (termwidth == 0)
111			termwidth = 80;
112
113			if (termwidth < 60)
114			termwidth = 60;
115
116			lflag = format;
117			totsize = 0;
118			if ((i = cgetent(&bp, printcapdb, printer)) == -2)
119			fatal("can't open printer description file");
120			else if (i == -1)
121			fatal("unknown printer");
122			else if (i == -3)
123			fatal("potential reference loop detected in printcap file");
124			if (cgetstr(bp, DEFLP, &LP) < 0)
125			LP = _PATH_DEFDEVLP;
126			if (cgetstr(bp, "rp", &RP) < 0)
127			RP = DEFLP;
128			if (cgetstr(bp, "sd", &SD) < 0)
129			SD = _PATH_DEFSPOOL;
130			if (cgetstr(bp, "lo", &LO) < 0)
131			LO = DEFLOCK;
132			if (cgetstr(bp, "st", &ST) < 0)
133			ST = DEFSTAT;
134			cgetstr(bp, "rm", &RM);
135			if ((cp = checkremote()) != NULL)
136			printf("Warning: %s\n", cp);
137
138			/*
139			* Print out local queue
140			* Find all the control files in the spooling directory
141			*/
142			PRIV_START;
143			if (chdir(SD) < 0)
144			fatal("cannot chdir to spooling directory");
145			PRIV_END;
146			if ((nitems = getq(&queue)) < 0)
147			fatal("cannot examine spooling area");
148			PRIV_START;
149			ret = stat(LO, &statb);
150			PRIV_END;
151			if (ret >= 0) {
152			if (statb.st_mode & S_IXUSR) {
153			if (remote)
154			printf("%s: ", host);
155			printf("Warning: %s is down: ", printer);
156			PRIV_START;
157			fd = safe_open(ST, O_RDONLY\|O_NOFOLLOW, 0);
158			PRIV_END;
159			if (fd >= 0 && flock(fd, LOCK_SH) == 0) {
160			while ((i = read(fd, line, sizeof(line))) > 0)
161			(void)fwrite(line, 1, i, stdout);
162			(void)close(fd); /* unlocks as well */
163			} else
164			putchar('\n');
165			}
166			if (statb.st_mode & S_IXGRP) {
167			if (remote)
168			printf("%s: ", host);
169			printf("Warning: %s queue is turned off\n", printer);
170			}
171			}
172
173			if (nitems) {
174			PRIV_START;
175			fd = safe_open(LO, O_RDONLY\|O_NOFOLLOW, 0);
176			PRIV_END;
177			if (fd < 0 \|\| (fp = fdopen(fd, "r")) == NULL) {
178			if (fd >= 0)
179			close(fd);
180			nodaemon();
181			} else {
182			/* get daemon pid */
183			cp = current;
184			ecp = cp + sizeof(current) - 1;
185			while ((i = getc(fp)) != EOF && i != '\n') {
186			if (cp < ecp)
187			*cp++ = i;
188			}
189			*cp = '\0';
190			i = atoi(current);
191			if (i <= 0) {
192			ret = -1;
193			} else {
194			PRIV_START;
195			ret = kill(i, 0);
196			PRIV_END;
197			}
198			if (ret < 0 && errno != EPERM) {
199			nodaemon();
200			} else {
201			/* read current file name */
202			cp = current;
203			ecp = cp + sizeof(current) - 1;
204			while ((i = getc(fp)) != EOF && i != '\n') {
205			if (cp < ecp)
206			*cp++ = i;
207			}
208			*cp = '\0';
209			/*
210			* Print the status file.
211			*/
212			if (remote)
213			printf("%s: ", host);
214			PRIV_START;
215			fd = safe_open(ST, O_RDONLY\|O_NOFOLLOW, 0);
216			PRIV_END;
217			if (fd >= 0 && flock(fd, LOCK_SH) == 0) {
218			while ((i = read(fd, line, sizeof(line))) > 0)
219			(void)fwrite(line, 1, i, stdout);
220			(void)close(fd); /* unlocks as well */
221			} else
222			putchar('\n');
223			}
224			(void)fclose(fp);
225			}
226			/*
227			* Now, examine the control files and print out the jobs to
228			* be done for each user.
229			*/
230			if (!lflag)
231			header();
232			/* The currently printed job is treated specially. */
233			if (!remote && current[0] != '\0')
234			inform(current, 0);
235			for (i = 0, rank = 1; i < nitems; i++) {
236			q = queue[i];
237			if (remote \|\| strcmp(current, q->q_name) != 0)
238			inform(q->q_name, rank++);
239			free(q);
240			}
241			}
242			free(queue);
243			if (!remote) {
244			if (nitems == 0)
245			puts("no entries");
246			return;
247			}
248
249			/*
250			* Print foreign queue
251			* Note that a file in transit may show up in either queue.
252			*/
253			if (nitems)
254			putchar('\n');
255			(void)snprintf(line, sizeof(line), "%c%s", format + '\3', RP);
256			cp = line;
257			cp += strlen(cp);
258			for (i = 0; i < requests && cp - line < sizeof(line) - 1; i++) {
259			len = line + sizeof(line) - cp;
260			if (snprintf(cp, len, " %d", requ[i]) >= len) {
261			cp += strlen(cp);
262			break;
263			}
264			cp += strlen(cp);
265			}
266			for (i = 0; i < users && cp - line < sizeof(line) - 1; i++) {
267			len = line + sizeof(line) - cp;
268			if (snprintf(cp, len, " %s", user[i]) >= len) {
269			cp += strlen(cp);
270			break;
271			}
272			}
273			if (cp-line < sizeof(line) - 1)
274			strlcat(line, "\n", sizeof(line));
275			else
276			line[sizeof(line) - 2] = '\n';
277			fd = getport(RM, 0);
278			if (fd < 0) {
279			if (from != host)
280			printf("%s: ", host);
281			(void)printf("connection to %s is down\n", RM);
282			}
283			else {
284			struct sigaction osa, nsa;
285			char *visline;
286			int n = 0;
287
288			i = strlen(line);
289			if (write(fd, line, i) != i)
290			fatal("Lost connection");
291			memset(&nsa, 0, sizeof(nsa));
292			nsa.sa_handler = alarmer;
293			sigemptyset(&nsa.sa_mask);
294			nsa.sa_flags = 0;
295			(void)sigaction(SIGALRM, &nsa, &osa);
296			alarm(wait_time);
297			if ((visline = malloc(4 * sizeof(line) + 1)) == NULL)
298			fatal("Out of memory");
299			while ((i = read(fd, line, sizeof(line))) > 0) {
300			n = strvisx(visline, line, i, VIS_SAFE\|VIS_NOSLASH);
301			(void)fwrite(visline, 1, n, stdout);
302			alarm(wait_time);
303			}
304			/* XXX some LPR implementations may not end stream with '\n' */
305			if (n > 0 && visline[n-1] != '\n')
306			putchar('\n');
307			alarm(0);
308			(void)sigaction(SIGALRM, &osa, NULL);
309			free(visline);
310			(void)close(fd);
311			}
312			}
313
314			static void
315			alarmer(int s)
316			{
317			/* nothing */
318			}
319
320			/*
321			* Print a warning message if there is no daemon present.
322			*/
323			static void
324			nodaemon(void)
325			{
326			if (remote)
327			printf("\n%s: ", host);
328			puts("Warning: no daemon present");
329			current[0] = '\0';
330			}
331
332			/*
333			* Print the header for the short listing format
334			*/
335			static void
336			header(void)
337			{
338			printf(head0);
339			col = strlen(head0)+1;
340			blankfill(termwidth - (80 - SIZCOL));
341			printf(head1);
342			}
343
344			static void
345			inform(char *cf, int rank)
346			{
347			int fd, j;
348			FILE *cfp = NULL;
349
350			/*
351			* There's a chance the control file has gone away
352			* in the meantime; if this is the case just keep going
353			*/
354			PRIV_START;
355			fd = safe_open(cf, O_RDONLY\|O_NOFOLLOW, 0);
356			PRIV_END;
357			if (fd < 0 \|\| (cfp = fdopen(fd, "r")) == NULL) {
358			if (fd >= 0)
359			close(fd);
360			return;
361			}
362
363			j = 0;
364			while (get_line(cfp)) {
365			switch (line[0]) {
366			case 'P': /* Was this file specified in the user's list? */
367			if (!inlist(line+1, cf)) {
368			fclose(cfp);
369			return;
370			}
371			if (lflag) {
372			printf("\n%s: ", line+1);
373			col = strlen(line+1) + 2;
374			prank(rank);
375			blankfill(JOBCOL);
376			printf(" [job %s]\n", cf+3);
377			} else {
378			col = 0;
379			prank(rank);
380			blankfill(OWNCOL);
381			printf("%-10s %-3d ", line+1, atoi(cf+3));
382			col += 16;
383			first = 1;
384			}
385			continue;
386			default: /* some format specifer and file name? */
387			if (line[0] < 'a' \|\| line[0] > 'z')
388			continue;
389			if (j == 0 \|\| strcmp(file, line+1) != 0)
390			(void)strlcpy(file, line+1, sizeof(file));
391			j++;
392			continue;
393			case 'N':
394			show(line+1, file, j);
395			file[0] = '\0';
396			j = 0;
397			}
398			}
399			fclose(cfp);
400			if (!lflag) {
401			blankfill(termwidth - (80 - SIZCOL));
402			printf("%lld bytes\n", (long long)totsize);
403			totsize = 0;
404			}
405			}
406
407			static int
408			inlist(char name, char file)
409			{
410			int *r, n;
411			char *u, cp;
412
413			if (users == 0 && requests == 0)
414			return(1);
415			/*
416			* Check to see if it's in the user list
417			*/
418			for (u = user; u < &user[users]; u++)
419			if (!strcmp(*u, name))
420			return(1);
421			/*
422			* Check the request list
423			*/
424			for (n = 0, cp = file+3; isdigit((unsigned char)*cp); )
425			n = n * 10 + (*cp++ - '0');
426			for (r = requ; r < &requ[requests]; r++)
427			if (*r == n && !strcmp(cp, from))
428			return(1);
429			return(0);
430			}
431
432			static void
433			show(char nfile, char file, int copies)
434			{
435			if (strcmp(nfile, " ") == 0)
436			nfile = "(standard input)";
437			if (lflag)
438			ldump(nfile, file, copies);
439			else
440			dump(nfile, file, copies);
441			}
442
443			/*
444			* Fill the line with blanks to the specified column
445			*/
446			static void
447			blankfill(int n)
448			{
449			while (col++ < n)
450			putchar(' ');
451			}
452
453			/*
454			* Give the abbreviated dump of the file names
455			*/
456			static void
457			dump(char nfile, char file, int copies)
458			{
459			int n, fill;
460			struct stat lbuf;
461
462			/*
463			* Print as many files as will fit
464			* (leaving room for the total size)
465			*/
466			fill = first ? 0 : 2; /* fill space for ``, '' */
467			if (((n = strlen(nfile)) + col + fill) >=
468			(termwidth - (80 - SIZCOL)) - 4) {
469			if (col < (termwidth - (80 - SIZCOL))) {
470			printf(" ..."), col += 4;
471			blankfill(termwidth - (80 - SIZCOL));
472			}
473			} else {
474			if (first)
475			first = 0;
476			else
477			printf(", ");
478			printf("%s", nfile);
479			col += n+fill;
480			}
481			PRIV_START;
482			if (*file && !stat(file, &lbuf))
483			totsize += copies * lbuf.st_size;
484			PRIV_END;
485			}
486
487			/*
488			* Print the long info about the file
489			*/
490			static void
491			ldump(char nfile, char file, int copies)
492			{
493			struct stat lbuf;
494			int ret;
495
496			putchar('\t');
497			if (copies > 1)
498			printf("%-2d copies of %-19s", copies, nfile);
499			else
500			printf("%-32s", nfile);
501			PRIV_START;
502			ret = stat(file, &lbuf);
503			PRIV_END;
504			if (*file && !ret)
505			printf(" %lld bytes", (long long)lbuf.st_size);
506			else
507			printf(" ??? bytes");
508			putchar('\n');
509			}
510
511			/*
512			* Print the job's rank in the queue,
513			* update col for screen management
514			*/
515			static void
516			prank(int n)
517			{
518			char rline[100];
519			static char *r[] = {
520			"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
521			};
522
523			if (n == 0) {
524			printf("active");
525			col += 6;
526			return;
527			}
528			if ((n/10)%10 == 1)
529			(void)snprintf(rline, sizeof(rline), "%dth", n);
530			else
531			(void)snprintf(rline, sizeof(rline), "%d%s", n, r[n%10]);
532			col += strlen(rline);
533			printf("%s", rline);
534			}