xref: /original-bsd/usr.bin/uucp/uuq/uuq.c (revision 94c97675)
1 /*
2  * Copyright (c) 1988 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Adams.
7  *
8  * Redistribution and use in source and binary forms are permitted
9  * provided that the above copyright notice and this paragraph are
10  * duplicated in all such forms and that any documentation,
11  * advertising materials, and other materials related to such
12  * distribution and use acknowledge that the software was developed
13  * by the University of California, Berkeley.  The name of the
14  * University may not be used to endorse or promote products derived
15  * from this software without specific prior written permission.
16  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19  */
20 
21 #ifndef lint
22 char copyright[] =
23 "@(#) Copyright (c) 1988 The Regents of the University of California.\n\
24  All rights reserved.\n";
25 #endif /* not lint */
26 
27 #ifndef lint
28 static char sccsid[] = "@(#)uuq.c	4.11 (Berkeley) 09/02/88";
29 #endif /* not lint */
30 
31 /*
32  * uuq - looks at uucp queues
33  *
34  * Lou Salkind
35  * New York University
36  *
37  */
38 
39 #include "uucp.h"
40 #include <stdio.h>
41 
42 #ifdef NDIR
43 #include "libndir/ndir.h"
44 #else !NDIR
45 #include <sys/dir.h>
46 #endif !NDIR
47 #include <sys/stat.h>
48 
49 #define	NOSYS		(struct sys *)0
50 
51 #define W_TYPE		wrkvec[0]
52 #define W_FILE1		wrkvec[1]
53 #define W_FILE2		wrkvec[2]
54 #define W_USER		wrkvec[3]
55 #define W_OPTNS		wrkvec[4]
56 #define W_DFILE		wrkvec[5]
57 #define W_MODE		wrkvec[6]
58 #define WSUFSIZE 5	/* work file name suffix size */
59 
60 struct sys {
61 	char	s_name[8];
62 	int	s_njobs;
63 	off_t	s_bytes;
64 	struct job	*s_jobp;
65 	struct sys	*s_sysp;
66 };
67 
68 struct job {
69 	int	j_files;
70 	int	j_flags;
71 	char	j_jobno[WSUFSIZE];
72 	char	j_user[22];
73 	char	j_fname[128];
74 	char	j_grade;
75 	off_t	j_bytes;
76 	time_t	j_date;
77 	struct job	*j_jobp;
78 };
79 
80 struct sys *syshead;
81 struct sys *getsys();
82 int jcompare();
83 char *sysname;
84 char *user;
85 char *rmjob;
86 int hflag;
87 int lflag;
88 
89 char *malloc(), *calloc();
90 double atof();
91 float baudrate = 2400.;
92 char Username[BUFSIZ];
93 char Filename[BUFSIZ];
94 int Maxulen = 0;
95 struct timeb Now;
96 
97 main(argc, argv)
98 int argc;
99 char **argv;
100 {
101 	register int i;
102 	register struct sys *sp;
103 	register struct job *jp;
104 	struct job **sortjob;
105 	int nsys;
106 	extern char *optarg;
107 	extern int optind;
108 
109 	strcpy(Progname, "uuq");
110 	uucpname(Myname);
111 
112 	while ((i = getopt(argc, argv, "r:S:s:u:d:b:hl")) != EOF)
113 		switch (i) {
114 		case 'r':
115 		case 'S':
116 			Spool = optarg;
117 			break;
118 		case 's':
119 			sysname = optarg;
120 			if (strlen(sysname) > SYSNSIZE)
121 				sysname[SYSNSIZE] = '\0';
122 			break;
123 		case 'u':
124 			user = optarg;
125 			break;
126 		case 'd':
127 			rmjob = optarg;
128 			break;
129 		case 'b':
130 			baudrate = atof(optarg);
131 			break;
132 		case 'h':
133 			hflag++;
134 			break;
135 		case 'l':
136 			lflag++;
137 			break;
138 		default:
139 			fprintf(stderr,
140 	"usage: uuq [-l] [-h] [-ssystem] [-uuser] [-djobno] [-rspool] [-bbaudrate]\n");
141 			exit(0);
142 		}
143 
144 	subchdir(Spool);
145 	baudrate *= 0.7;	/* reduce speed because of protocol overhead */
146 	baudrate *= 7.5; 	/* convert to chars/minute (60/8) */
147 	gather();
148 	nsys = 0;
149 	for (sp = syshead; sp; sp = sp->s_sysp) {
150 		if (sp->s_njobs == 0)
151 			continue;
152 		if (!hflag && nsys++ > 0)
153 			putchar('\n');
154 		printf("%s: %d %s", sp->s_name,
155 			sp->s_njobs, sp->s_njobs > 1 ? "jobs" : "job");
156 		if (lflag) {
157 			float minutes;
158 			int hours;
159 			/* The 80 * njobs is because of the uucp handshaking */
160 			minutes = (float)(sp->s_bytes + 80 * sp->s_njobs)/baudrate;
161 			hours = minutes/60;
162 			printf(", %ld bytes, ", sp->s_bytes);
163 			if (minutes > 60){
164 				printf("%d hour%s, ",hours,
165 					hours > 1 ? "s": "");
166 				minutes -= 60 * hours;
167 			}
168 			printf("%3.1f minutes (@ effective baudrate of %d)",
169 				minutes,(int)(baudrate/6));
170 		}
171 		putchar('\n');
172 		if (hflag)
173 			continue;
174 		/* sort them babies! */
175 		sortjob = (struct job **)calloc(sp->s_njobs, sizeof (struct job *));
176 		for (i=0, jp=sp->s_jobp; i < sp->s_njobs; i++, jp=jp->j_jobp)
177 			sortjob[i] = jp;
178 		qsort(sortjob, sp->s_njobs, sizeof (struct job *), jcompare);
179 		for (i = 0; i < sp->s_njobs; i++) {
180 			jp = sortjob[i];
181 			if (lflag) {
182 				printf("%s %2d %-*s%7ld%5.1f %-12.12s %c %.*s\n",
183 	jp->j_jobno, jp->j_files, Maxulen, jp->j_user, jp->j_bytes, jp->j_bytes/baudrate,
184 	ctime(&jp->j_date) + 4, jp->j_flags, sizeof (jp->j_fname), jp->j_fname
185 				);
186 			} else {
187 				printf("%s", jp->j_jobno);
188 				putchar((i+1)%10 ? '\t' : '\n');
189 			}
190 			/* There's no need to keep the force poll if jobs > 1*/
191 			if (sp->s_njobs > 1 && strcmp("POLL", jp->j_jobno)==0) {
192 				char pbuf[BUFSIZ];
193 				sprintf(pbuf,"%s/%c.%s%cPOLL",
194 					subdir(Spool, CMDPRE), CMDPRE,
195 					sp->s_name, jp->j_grade);
196 				(void) unlink(pbuf);
197 			}
198 		}
199 		if (!lflag && (sp->s_njobs%10))
200 			putchar('\n');
201 	}
202 	exit(0);
203 }
204 
205 jcompare(j1, j2)
206 struct job **j1, **j2;
207 {
208 	int delta;
209 
210 	delta = (*j1)->j_grade - (*j2)->j_grade;
211 	if (delta)
212 		return delta;
213 	return(strcmp((*j1)->j_jobno,(*j2)->j_jobno));
214 }
215 
216 /*
217  * Get all the command file names
218  */
219 gather()
220 {
221 	struct direct *d;
222 	DIR *df;
223 
224 	/*
225 	 * Find all the spool files in the spooling directory
226 	 */
227 	if ((df = opendir(subdir(Spool, CMDPRE))) == NULL) {
228 		fprintf(stderr, "can't examine spooling area\n");
229 		exit(1);
230 	}
231 	for (;;) {
232 		if ((d = readdir(df)) == NULL)
233 			break;
234 		if (d->d_namlen <= 2 || d->d_name[0] != CMDPRE ||
235 		    d->d_name[1] != '.')
236 			continue;
237 		if (analjob(d->d_name) < 0) {
238 			fprintf(stderr, "out of memory\n");
239 			break;
240 		}
241 	}
242 	closedir(df);
243 }
244 
245 /*
246  * analjob does the grunge work of verifying jobs
247  */
248 #include <pwd.h>
249 analjob(filename)
250 char *filename;
251 {
252 	struct job *jp;
253 	struct sys *sp;
254 	char sbuf[MAXNAMLEN+1], str[256], nbuf[256];
255 	char  *jptr, *wrkvec[20];
256 	char grade;
257 	FILE *fp, *df;
258 	struct stat statb;
259 	int files, gotname, i;
260 	off_t bytes;
261 
262 	strncpy(sbuf, filename, MAXNAMLEN);
263 	sbuf[MAXNAMLEN] = '\0';
264 	jptr = sbuf + strlen(sbuf) - WSUFSIZE;
265 	grade = *jptr;
266 	*jptr++ = 0;
267 	/*
268 	 * sbuf+2 now points to sysname name (null terminated)
269 	 * jptr now points to job number (null terminated)
270 	 */
271 	if (rmjob) {
272 		if (strcmp(rmjob, jptr))
273 			return(0);
274 	} else {
275 		if ((sp = getsys(sbuf+2)) == NOSYS)
276 			return(0);
277 		if (!lflag) {
278 			/* SHOULD USE A SMALLER STRUCTURE HERE */
279 			jp = (struct job *)malloc(sizeof(struct job));
280 			if (jp == (struct job *)0)
281 				return(-1);
282 			strcpy(jp->j_jobno, jptr);
283 			jp->j_jobp = sp->s_jobp;
284 			jp->j_grade = grade;
285 			sp->s_jobp = jp;
286 			sp->s_njobs++;
287 			return(1);
288 		}
289 	}
290 	if ((fp = fopen(subfile(filename), "r")) == NULL) {
291 		perror(subfile(filename));
292 		return(0);
293 	}
294 	files = 0;
295 	bytes = 0;
296 	gotname = 0;
297 	while (fgets(str, sizeof str, fp)) {
298 		if (getargs(str, wrkvec, 20) <= 0)
299 			continue;
300 		if (rmjob) {
301 			int myuid;
302 			struct passwd *pw;
303 			/*
304 			 * Make sure person who is removing data files is
305 			 * the person who created it or root.
306 			 */
307 			myuid = getuid();
308 			pw = getpwnam(W_USER);
309 			if (myuid && (pw == NULL || myuid != pw->pw_uid)) {
310 				fprintf(stderr, "Permission denied.\n");
311 				exit(1);
312 			}
313 			if (W_TYPE[0] == 'S' && !index(W_OPTNS, 'c')) {
314 				unlink(subfile(W_DFILE));
315 				fprintf(stderr, "Removing data file %s\n", W_DFILE);
316 			}
317 			continue;
318 		}
319 		if (user && (W_TYPE[0] == 'X' || !prefix(user, W_USER))) {
320 			fclose(fp);
321 			return(0);
322 		}
323 		files++;
324 		if (W_TYPE[0] == 'S') {
325 			if (strcmp(W_DFILE, "D.0") &&
326 			    stat(subfile(W_DFILE), &statb) >= 0)
327 				bytes += statb.st_size;
328 			else if (stat(subfile(W_FILE1), &statb) >= 0)
329 				bytes += statb.st_size;
330 		}
331 		/* amusing heuristic */
332 #define	isXfile(s)	(s[0]=='D' && s[strlen(s)-WSUFSIZE]=='X')
333 		if (gotname == 0 && isXfile(W_FILE1)) {
334 			if ((df = fopen(subfile(W_FILE1), "r")) == NULL)
335 				continue;
336 			while (fgets(nbuf, sizeof nbuf, df)) {
337 				nbuf[strlen(nbuf) - 1] = '\0';
338 				if (nbuf[0] == 'C' && nbuf[1] == ' ') {
339 					strcpy(Filename, nbuf+2);
340 					gotname++;
341 				} else if (nbuf[0] == 'R' && nbuf[1] == ' ') {
342 					register char *p, *q, *r;
343 					r = q = p = nbuf+2;
344 					do {
345 						if (*p == '!' || *p == '@'){
346 							r = q;
347 							q = p+1;
348 						}
349 					} while (*p++);
350 
351 					strcpy(Username, r);
352 					W_USER = Username;
353 				}
354 			}
355 			fclose(df);
356 		}
357 	}
358 	fclose(fp);
359 	if (rmjob) {
360 		unlink(subfile(filename));
361 		fprintf(stderr, "Removing command file %s\n", filename);
362 		exit(0);
363 	}
364 	if (files == 0) {
365 		static char *wtype = "X";
366 		static char *wfile = "forced poll";
367 		if (strcmp("POLL", &filename[strlen(filename)-4])) {
368 			fprintf(stderr, "%.14s: empty command file\n", filename);
369 			return(0);
370 		}
371 		W_TYPE = wtype;
372 		W_FILE1 = wfile;
373 	}
374 	jp = (struct job *)malloc(sizeof(struct job));
375 	if (jp == (struct job *)0)
376 		return(-1);
377 	strcpy(jp->j_jobno, jptr);
378 	jp->j_files = files;
379 	jp->j_bytes = bytes;
380 	jp->j_grade = grade;
381 	jp->j_flags = W_TYPE[0];
382 	strncpy(jp->j_user, W_TYPE[0]=='X' ? "---" : W_USER, 20 );
383 	jp->j_user[20] = '\0';
384 	i = strlen(jp->j_user);
385 	if (i > Maxulen)
386 		Maxulen = i;
387 	/* SHOULD ADD ALL INFORMATION IN THE WHILE LOOP */
388 	if (gotname)
389 		strncpy(jp->j_fname, Filename, sizeof jp->j_fname);
390 	else
391 		strncpy(jp->j_fname, W_FILE1, sizeof jp->j_fname);
392 	stat(subfile(filename), &statb);
393 	jp->j_date = statb.st_mtime;
394 	jp->j_jobp = sp->s_jobp;
395 	sp->s_jobp = jp;
396 	sp->s_njobs++;
397 	sp->s_bytes += jp->j_bytes;
398 	return(1);
399 }
400 
401 struct sys *
402 getsys(s)
403 register char *s;
404 {
405 	register struct sys *sp;
406 
407 	for (sp = syshead; sp; sp = sp->s_sysp)
408 		if (strcmp(s, sp->s_name) == 0)
409 			return(sp);
410 	if (sysname && !prefix(sysname, s))
411 		return(NOSYS);
412 	sp = (struct sys *)malloc(sizeof(struct sys));
413 	if (sp == NOSYS)
414 		return(NOSYS);
415 	strcpy(sp->s_name, s);
416 	sp->s_njobs = 0;
417 	sp->s_jobp = (struct job *)0;
418 	sp->s_sysp = syshead;
419 	sp->s_bytes = 0;
420 	syshead = sp;
421 	return(sp);
422 }
423