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lpc.c (68400) lpc.c (78146)
1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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38 The Regents of the University of California. All rights reserved.\n";
39#endif /* not lint */
40
41#ifndef lint
42#if 0
43static char sccsid[] = "@(#)lpc.c 8.3 (Berkeley) 4/28/95";
44#endif
45static const char rcsid[] =
1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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38 The Regents of the University of California. All rights reserved.\n";
39#endif /* not lint */
40
41#ifndef lint
42#if 0
43static char sccsid[] = "@(#)lpc.c 8.3 (Berkeley) 4/28/95";
44#endif
45static const char rcsid[] =
46 "$FreeBSD: head/usr.sbin/lpr/lpc/lpc.c 68400 2000-11-06 19:19:49Z gad $";
46 "$FreeBSD: head/usr.sbin/lpr/lpc/lpc.c 78146 2001-06-12 16:38:20Z gad $";
47#endif /* not lint */
48
49#include <sys/param.h>
50
51#include <ctype.h>
52#include <dirent.h>
53#include <err.h>
54#include <grp.h>

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77#define MAX_MARGV 20
78static int fromatty;
79
80static char cmdline[MAX_CMDLINE];
81static int margc;
82static char *margv[MAX_MARGV];
83uid_t uid, euid;
84
47#endif /* not lint */
48
49#include <sys/param.h>
50
51#include <ctype.h>
52#include <dirent.h>
53#include <err.h>
54#include <grp.h>

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77#define MAX_MARGV 20
78static int fromatty;
79
80static char cmdline[MAX_CMDLINE];
81static int margc;
82static char *margv[MAX_MARGV];
83uid_t uid, euid;
84
85int main __P((int, char *[]));
86static void cmdscanner __P((void));
87static struct cmd *getcmd __P((char *));
88static void intr __P((int));
89static void makeargv __P((void));
90static int ingroup __P((char *));
85int main(int _argc, char *_argv[]);
86static void cmdscanner(void);
87static struct cmd *getcmd(const char *_name);
88static void intr(int _signo);
89static void makeargv(void);
90static int ingroup(const char *_grname);
91
92int
91
92int
93main(argc, argv)
94 int argc;
95 char *argv[];
93main(int argc, char *argv[])
96{
97 register struct cmd *c;
98
99 euid = geteuid();
100 uid = getuid();
101 seteuid(uid);
102 name = argv[0];
103 openlog("lpd", 0, LOG_LPR);

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126 if (!fromatty)
127 signal(SIGINT, intr);
128 for (;;) {
129 cmdscanner();
130 }
131}
132
133static void
94{
95 register struct cmd *c;
96
97 euid = geteuid();
98 uid = getuid();
99 seteuid(uid);
100 name = argv[0];
101 openlog("lpd", 0, LOG_LPR);

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124 if (!fromatty)
125 signal(SIGINT, intr);
126 for (;;) {
127 cmdscanner();
128 }
129}
130
131static void
134intr(signo)
135 int signo;
132intr(int signo __unused)
136{
133{
134 /* (the '__unused' is just to avoid a compile-time warning) */
137 exit(0);
138}
139
135 exit(0);
136}
137
140static char *
138static const char *
141lpc_prompt(void)
142{
143 return ("lpc> ");
144}
145
146/*
147 * Command parser.
148 */
149static void
139lpc_prompt(void)
140{
141 return ("lpc> ");
142}
143
144/*
145 * Command parser.
146 */
147static void
150cmdscanner()
148cmdscanner(void)
151{
152 register struct cmd *c;
153 static EditLine *el = NULL;
154 static History *hist = NULL;
155 int num = 0;
156 int len;
157 const char *bp = NULL;
158

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205 if (c->c_generic != 0)
206 generic(c->c_generic, margc, margv);
207 else
208 (*c->c_handler)(margc, margv);
209 }
210}
211
212static struct cmd *
149{
150 register struct cmd *c;
151 static EditLine *el = NULL;
152 static History *hist = NULL;
153 int num = 0;
154 int len;
155 const char *bp = NULL;
156

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203 if (c->c_generic != 0)
204 generic(c->c_generic, margc, margv);
205 else
206 (*c->c_handler)(margc, margv);
207 }
208}
209
210static struct cmd *
213getcmd(name)
214 register char *name;
211getcmd(const char *name)
215{
212{
216 register char *p, *q;
213 register const char *p, *q;
217 register struct cmd *c, *found;
218 register int nmatches, longest;
219
220 longest = 0;
221 nmatches = 0;
222 found = 0;
223 for (c = cmdtab; (p = c->c_name); c++) {
224 for (q = name; *q == *p++; q++)

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237 return((struct cmd *)-1);
238 return(found);
239}
240
241/*
242 * Slice a string up into argc/argv.
243 */
244static void
214 register struct cmd *c, *found;
215 register int nmatches, longest;
216
217 longest = 0;
218 nmatches = 0;
219 found = 0;
220 for (c = cmdtab; (p = c->c_name); c++) {
221 for (q = name; *q == *p++; q++)

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234 return((struct cmd *)-1);
235 return(found);
236}
237
238/*
239 * Slice a string up into argc/argv.
240 */
241static void
245makeargv()
242makeargv(void)
246{
247 register char *cp;
248 register char **argp = margv;
249 register int n = 0;
250
251 margc = 0;
252 for (cp = cmdline; *cp && (cp - cmdline) < sizeof(cmdline) &&
253 n < MAX_MARGV; n++) {

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267}
268
269#define HELPINDENT (sizeof ("directory"))
270
271/*
272 * Help command.
273 */
274void
243{
244 register char *cp;
245 register char **argp = margv;
246 register int n = 0;
247
248 margc = 0;
249 for (cp = cmdline; *cp && (cp - cmdline) < sizeof(cmdline) &&
250 n < MAX_MARGV; n++) {

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264}
265
266#define HELPINDENT (sizeof ("directory"))
267
268/*
269 * Help command.
270 */
271void
275help(argc, argv)
276 int argc;
277 char *argv[];
272help(int argc, char *argv[])
278{
279 register struct cmd *c;
280
281 if (argc == 1) {
282 register int i, j, w;
283 int columns, width = 0, lines;
284
285 printf("Commands may be abbreviated. Commands are:\n\n");

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325 c->c_name, c->c_help);
326 }
327}
328
329/*
330 * return non-zero if the user is a member of the given group
331 */
332static int
273{
274 register struct cmd *c;
275
276 if (argc == 1) {
277 register int i, j, w;
278 int columns, width = 0, lines;
279
280 printf("Commands may be abbreviated. Commands are:\n\n");

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320 c->c_name, c->c_help);
321 }
322}
323
324/*
325 * return non-zero if the user is a member of the given group
326 */
327static int
333ingroup(grname)
334 char *grname;
328ingroup(const char *grname)
335{
336 static struct group *gptr=NULL;
337 static int ngroups = 0;
338 static gid_t groups[NGROUPS];
339 register gid_t gid;
340 register int i;
341
342 if (gptr == NULL) {

--- 14 unchanged lines hidden --- 		329{
330 static struct group *gptr=NULL;
331 static int ngroups = 0;
332 static gid_t groups[NGROUPS];
333 register gid_t gid;
334 register int i;
335
336 if (gptr == NULL) {

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