xref: /titanic_41/usr/src/cmd/fs.d/cachefs/cachefspack/funcs.c (revision 7c2fbfb345896881c631598ee3852ce9ce33fb07)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1996-2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <locale.h>
30 #include <sys/types.h>
31 #include <sys/param.h>
32 #include <stdio.h>
33 #include <dirent.h>
34 #include <sys/acl.h>
35 #include <sys/fs/cachefs_fs.h>
36 #include <sys/fs/cachefs_dlog.h>
37 #include <sys/fs/cachefs_ioctl.h>
38 #include <errno.h>
39 #include <string.h>
40 
41 extern int verbose;
42 
43 /*
44  * Function used by -d option to display pathname
45  */
46 int
47 prtfn(char *pathnam, char *fnam, DIR *dirp, int depth)
48 {
49 	printf("%s\n", pathnam);
50 	return (0);
51 }
52 
53 /*
54  * Function used by -p option to pack pathname
55  */
56 int
57 packfn(char *pathnam, char *fnam, DIR *dirp, int depth)
58 {
59 	cachefsio_pack_t pack;
60 	int xx;
61 	int len;
62 
63 #ifdef DEBUG
64 	printf("packfn: pathnam = %s", pathnam);
65 	fflush(stdout);
66 	if (fnam != NULL) {
67 		printf("  fnam = %s\n",  fnam);
68 	} else {
69 		printf("\n");
70 	}
71 	printf("packfn: dirp    = %x depth = %d\n", dirp, depth);
72 	fflush(stdout);
73 #endif /* DEBUG */
74 	if (fnam != NULL) {
75 		len = strlen(fnam);
76 		if (len >= sizeof (pack.p_name)) {
77 			fprintf(stderr, gettext(
78 			    "cachefspack: file name too long - %s\n"),
79 			    pathnam);
80 			return (-1);
81 		}
82 #ifdef DEBUG
83 		printf("packfn: len = %d\n", len);
84 		fflush(stdout);
85 #endif /* DEBUG */
86 		while (fnam[len-1] == '/') {
87 		    len--;
88 		}
89 		strncpy(pack.p_name, fnam, len);
90 	} else {
91 		len = 0;
92 	}
93 	pack.p_name[len] = '\0';
94 	pack.p_status = 0;
95 #ifdef DEBUG
96 	printf("packfn: pack.p_name = %s  pack.p_status = %x\n",
97 		pack.p_name, pack.p_status);
98 	fflush(stdout);
99 #endif /* DEBUG */
100 
101 	xx = ioctl(dirp->dd_fd, CACHEFSIO_PACK, &pack);
102 #ifdef DEBUG
103 	printf("packfn: xx = %x  errno = %d\n", xx, errno);
104 	fflush(stdout);
105 #endif /* DEBUG */
106 	if (xx) {
107 		if (errno == ENOTTY) {
108 			return (0);
109 		}
110 		if (errno == ENOSYS) {
111 			return (0);
112 		}
113 		fprintf(stderr, gettext("cachefspack: %s -  "), pathnam);
114 		perror(gettext("can't pack file"));
115 		return (-1);
116 	}
117 	return (0);
118 }
119 
120 /*
121  * Function used by -p option to unpack pathname
122  */
123 int
124 unpackfn(char *pathnam, char *fnam, DIR *dirp, int depth)
125 {
126 	cachefsio_pack_t pack;
127 	int xx;
128 	int len;
129 
130 #ifdef DEBUG
131 	printf("unpackfn: pathnam = %s ", pathnam);
132 	if (fnam != NULL) {
133 		printf("  fnam = %s\n", fnam);
134 	} else {
135 		printf("\n");
136 	}
137 	printf("unpackfn: dirp    = %x depth = %d\n", dirp, depth);
138 	fflush(stdout);
139 #endif /* DEBUG */
140 	if (fnam != NULL) {
141 		len = strlen(fnam);
142 		if (len >= sizeof (pack.p_name)) {
143 			fprintf(stderr, gettext(
144 			    "cachefspack: file name too long - %s\n"), pathnam);
145 			return (-1);
146 		}
147 		while (fnam[len-1] == '/') {
148 		    len--;
149 		}
150 		strncpy(pack.p_name, fnam, len);
151 	} else {
152 		len = 0;
153 	}
154 	pack.p_name[len] = '\0';
155 	pack.p_status = 0;
156 #ifdef DEBUG
157 	printf("unpackfn: pack.p_name = %s  pack.p_status = %x\n",
158 		pack.p_name, pack.p_status);
159 	fflush(stdout);
160 #endif /* DEBUG */
161 
162 	xx = ioctl(dirp->dd_fd, CACHEFSIO_UNPACK, &pack);
163 #ifdef DEBUG
164 	printf("unpackfn: pack.p_name = %s  pack.p_status = %x\n",
165 		pack.p_name, pack.p_status);
166 	fflush(stdout);
167 #endif /* DEBUG */
168 	if (xx) {
169 		if (errno == ENOTTY) {
170 			return (0);
171 		}
172 		if (errno == ENOSYS) {
173 			return (0);
174 		}
175 		fprintf(stderr, gettext("cachefspack: %s - "), pathnam);
176 		perror(gettext("can't unpack file"));
177 		return (-1);
178 	}
179 	return (0);
180 }
181 
182 /*
183  * Function used by -i option to print status of pathname
184  */
185 int
186 inquirefn(char *pathnam, char *fnam, DIR *dirp, int depth)
187 {
188 	cachefsio_pack_t pack;
189 	int xx;
190 	int len;
191 
192 #ifdef DEBUG
193 	printf("inquirefn: pathnam = %s ", pathnam);
194 	if (fnam != NULL) {
195 		printf("fnam = %s\n", fnam);
196 	} else {
197 		printf("\n");
198 	}
199 	printf("inquirefn: dirp    = %x depth = %d\n", dirp, depth);
200 	fflush(stdout);
201 #endif /* DEBUG */
202 	if (fnam != NULL) {
203 		len = strlen(fnam);
204 		if (len >= sizeof (pack.p_name)) {
205 			fprintf(stderr,
206 			    gettext("cachefspack: file name too long - %s\n"),
207 			    pathnam);
208 			return (-1);
209 		}
210 		while (fnam[len-1] == '/') {
211 		    len--;
212 		}
213 		strncpy(pack.p_name, fnam, len);
214 	} else {
215 		len = 0;
216 	}
217 	pack.p_name[len] = '\0';
218 	pack.p_status = 0;
219 #ifdef DEBUG
220 	printf("inquirefn: pack.p_name = %s  pack.p_status = %x\n",
221 		pack.p_name, pack.p_status);
222 	fflush(stdout);
223 #endif /* DEBUG */
224 
225 	xx = ioctl(dirp->dd_fd, CACHEFSIO_PACKINFO, &pack);
226 #ifdef DEBUG
227 	printf("inquirefn: xx = %x  errno = %d\n", xx, errno);
228 	fflush(stdout);
229 #endif /* DEBUG */
230 	if (xx) {
231 		if ((errno == ENOTTY) || (errno == ENOSYS)) {
232 #ifdef CFS_MSG
233 			fprintf(stderr, gettext("cachefspack:  "));
234 			fprintf(stderr,
235 			    gettext("%s - is not in a cacheFS file system\n"),
236 			    pathnam);
237 #endif /* CFS_MSG */
238 			return (-1);
239 		}
240 		fprintf(stderr, gettext("cachefspack: %s - "), pathnam);
241 		perror(gettext("can't get info"));
242 		return (-2);
243 	}
244 
245 	printf(gettext("cachefspack: file %s "), pathnam);
246 	printf(gettext("marked packed %s, packed %s\n"),
247 	    (pack.p_status & CACHEFS_PACKED_FILE) ? "YES" : "NO",
248 	    (pack.p_status & CACHEFS_PACKED_DATA) ? "YES" : "NO");
249 	if (verbose) {
250 		printf(gettext("    nocache %s\n"),
251 		    (pack.p_status & CACHEFS_PACKED_NOCACHE) ?
252 		    "YES" : "NO");
253 	}
254 	return (0);
255 }
256