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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1980, 1990 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Robert Elz at The University of Melbourne. | |
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. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
38 | char copyright[] = | |
39 | "@(#) Copyright (c) 1980, 1990 Regents of the University of California.\n\ | |
40 | All rights reserved.\n"; | |
41 | #endif /* not lint */ | |
42 | ||
43 | #ifndef lint | |
44 | static char sccsid[] = "@(#)quotaon.c 5.12 (Berkeley) 9/27/90"; | |
45 | #endif /* not lint */ | |
46 | ||
47 | /* | |
48 | * Turn quota on/off for a filesystem. | |
49 | */ | |
50 | #include <sys/param.h> | |
51 | #include <sys/file.h> | |
52 | #include <sys/mount.h> | |
53 | #include <ufs/quota.h> | |
54 | #include <stdio.h> | |
55 | #include <fstab.h> | |
56 | ||
57 | char *qfname = QUOTAFILENAME; | |
58 | char *qfextension[] = INITQFNAMES; | |
59 | ||
60 | int aflag; /* all file systems */ | |
61 | int gflag; /* operate on group quotas */ | |
62 | int uflag; /* operate on user quotas */ | |
63 | int vflag; /* verbose */ | |
64 | ||
65 | main(argc, argv) | |
66 | int argc; | |
67 | char **argv; | |
68 | { | |
69 | register struct fstab *fs; | |
70 | char ch, *qfnp, *whoami, *rindex(); | |
71 | long argnum, done = 0; | |
72 | int i, offmode = 0, errs = 0; | |
73 | extern char *optarg; | |
74 | extern int optind; | |
75 | ||
76 | whoami = rindex(*argv, '/') + 1; | |
77 | if (whoami == (char *)1) | |
78 | whoami = *argv; | |
79 | if (strcmp(whoami, "quotaoff") == 0) | |
80 | offmode++; | |
81 | else if (strcmp(whoami, "quotaon") != 0) { | |
82 | fprintf(stderr, "Name must be quotaon or quotaoff not %s\n", | |
83 | whoami); | |
84 | exit(1); | |
85 | } | |
86 | while ((ch = getopt(argc, argv, "avug")) != EOF) { | |
87 | switch(ch) { | |
88 | case 'a': | |
89 | aflag++; | |
90 | break; | |
91 | case 'g': | |
92 | gflag++; | |
93 | break; | |
94 | case 'u': | |
95 | uflag++; | |
96 | break; | |
97 | case 'v': | |
98 | vflag++; | |
99 | break; | |
100 | default: | |
101 | usage(whoami); | |
102 | } | |
103 | } | |
104 | argc -= optind; | |
105 | argv += optind; | |
106 | if (argc <= 0 && !aflag) | |
107 | usage(whoami); | |
108 | if (!gflag && !uflag) { | |
109 | gflag++; | |
110 | uflag++; | |
111 | } | |
112 | setfsent(); | |
113 | while ((fs = getfsent()) != NULL) { | |
114 | if (strcmp(fs->fs_vfstype, "ufs") || | |
115 | strcmp(fs->fs_type, FSTAB_RW)) | |
116 | continue; | |
117 | if (aflag) { | |
118 | if (gflag && hasquota(fs, GRPQUOTA, &qfnp)) | |
119 | errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp); | |
120 | if (uflag && hasquota(fs, USRQUOTA, &qfnp)) | |
121 | errs += quotaonoff(fs, offmode, USRQUOTA, qfnp); | |
122 | continue; | |
123 | } | |
124 | if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 || | |
125 | (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) { | |
126 | done |= 1 << argnum; | |
127 | if (gflag && hasquota(fs, GRPQUOTA, &qfnp)) | |
128 | errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp); | |
129 | if (uflag && hasquota(fs, USRQUOTA, &qfnp)) | |
130 | errs += quotaonoff(fs, offmode, USRQUOTA, qfnp); | |
131 | } | |
132 | } | |
133 | endfsent(); | |
134 | for (i = 0; i < argc; i++) | |
135 | if ((done & (1 << i)) == 0) | |
136 | fprintf(stderr, "%s not found in fstab\n", | |
137 | argv[i]); | |
138 | exit(errs); | |
139 | } | |
140 | ||
141 | usage(whoami) | |
142 | char *whoami; | |
143 | { | |
144 | ||
145 | fprintf(stderr, "Usage:\n\t%s [-g] [-u] [-v] -a\n", whoami); | |
146 | fprintf(stderr, "\t%s [-g] [-u] [-v] filesys ...\n", whoami); | |
147 | exit(1); | |
148 | } | |
149 | ||
150 | quotaonoff(fs, offmode, type, qfpathname) | |
151 | register struct fstab *fs; | |
152 | int offmode, type; | |
153 | char *qfpathname; | |
154 | { | |
155 | ||
156 | if (strcmp(fs->fs_file, "/") && readonly(fs)) | |
157 | return (1); | |
158 | if (offmode) { | |
159 | if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) { | |
160 | fprintf(stderr, "quotaoff: "); | |
161 | perror(fs->fs_file); | |
162 | return (1); | |
163 | } | |
164 | if (vflag) | |
165 | printf("%s: quotas turned off\n", fs->fs_file); | |
166 | return (0); | |
167 | } | |
168 | if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) { | |
169 | fprintf(stderr, "quotaon: using %s on", qfpathname); | |
170 | perror(fs->fs_file); | |
171 | return (1); | |
172 | } | |
173 | if (vflag) | |
174 | printf("%s: %s quotas turned on\n", fs->fs_file, | |
175 | qfextension[type]); | |
176 | return (0); | |
177 | } | |
178 | ||
179 | /* | |
180 | * Check to see if target appears in list of size cnt. | |
181 | */ | |
182 | oneof(target, list, cnt) | |
183 | register char *target, *list[]; | |
184 | int cnt; | |
185 | { | |
186 | register int i; | |
187 | ||
188 | for (i = 0; i < cnt; i++) | |
189 | if (strcmp(target, list[i]) == 0) | |
190 | return (i); | |
191 | return (-1); | |
192 | } | |
193 | ||
194 | /* | |
195 | * Check to see if a particular quota is to be enabled. | |
196 | */ | |
197 | hasquota(fs, type, qfnamep) | |
198 | register struct fstab *fs; | |
199 | int type; | |
200 | char **qfnamep; | |
201 | { | |
202 | register char *opt; | |
203 | char *cp, *index(), *strtok(); | |
204 | static char initname, usrname[100], grpname[100]; | |
205 | static char buf[BUFSIZ]; | |
206 | ||
207 | if (!initname) { | |
208 | sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); | |
209 | sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); | |
210 | initname = 1; | |
211 | } | |
212 | strcpy(buf, fs->fs_mntops); | |
213 | for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { | |
214 | if (cp = index(opt, '=')) | |
215 | *cp++ = '\0'; | |
216 | if (type == USRQUOTA && strcmp(opt, usrname) == 0) | |
217 | break; | |
218 | if (type == GRPQUOTA && strcmp(opt, grpname) == 0) | |
219 | break; | |
220 | } | |
221 | if (!opt) | |
222 | return (0); | |
223 | if (cp) { | |
224 | *qfnamep = cp; | |
225 | return (1); | |
226 | } | |
227 | (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); | |
228 | *qfnamep = buf; | |
229 | return (1); | |
230 | } | |
231 | ||
232 | /* | |
233 | * Verify file system is mounted and not readonly. | |
234 | */ | |
235 | readonly(fs) | |
236 | register struct fstab *fs; | |
237 | { | |
238 | struct statfs fsbuf; | |
239 | ||
240 | if (statfs(fs->fs_file, &fsbuf) < 0 || | |
241 | strcmp(fsbuf.f_mntonname, fs->fs_file) || | |
242 | strcmp(fsbuf.f_mntfromname, fs->fs_spec)) { | |
243 | printf("%s: not mounted\n", fs->fs_file); | |
244 | return (1); | |
245 | } | |
246 | if (fsbuf.f_flags & MNT_RDONLY) { | |
247 | printf("%s: mounted read-only\n", fs->fs_file); | |
248 | return (1); | |
249 | } | |
250 | return (0); | |
251 | } |