Commit | Line | Data |
---|---|---|
cbe4b98c | 1 | /*- |
87b199a9 KB |
2 | * Copyright (c) 1989 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
cbe4b98c | 5 | * %sccs.include.redist.c% |
87b199a9 KB |
6 | */ |
7 | ||
8 | #ifndef lint | |
4c7f2dd1 | 9 | static char sccsid[] = "@(#)spec.c 5.14 (Berkeley) %G%"; |
87b199a9 KB |
10 | #endif /* not lint */ |
11 | ||
12 | #include <sys/types.h> | |
cbe4b98c KB |
13 | #include <pwd.h> |
14 | #include <grp.h> | |
87b199a9 | 15 | #include <stdio.h> |
f06151dd KB |
16 | #include <errno.h> |
17 | #include <ctype.h> | |
87b199a9 KB |
18 | #include "mtree.h" |
19 | ||
6e4c29b1 | 20 | extern NODE *root; /* root of the tree */ |
87b199a9 | 21 | |
cbe4b98c KB |
22 | static int lineno; /* current spec line number */ |
23 | ||
87b199a9 KB |
24 | spec() |
25 | { | |
6e4c29b1 | 26 | register NODE *centry, *last; |
87b199a9 | 27 | register char *p; |
6e4c29b1 | 28 | NODE ginfo, *emalloc(); |
f06151dd | 29 | char buf[2048]; |
87b199a9 | 30 | |
6e4c29b1 | 31 | bzero((void *)&ginfo, sizeof(ginfo)); |
87b199a9 KB |
32 | for (lineno = 1; fgets(buf, sizeof(buf), stdin); ++lineno) { |
33 | if (!(p = index(buf, '\n'))) { | |
34 | (void)fprintf(stderr, | |
7fe47549 | 35 | "mtree: line %d too long.\n", lineno); |
f06151dd | 36 | exit(1); |
87b199a9 KB |
37 | } |
38 | *p = '\0'; | |
39 | for (p = buf; *p && isspace(*p); ++p); | |
40 | if (!*p || *p == '#') | |
41 | continue; | |
42 | ||
43 | /* grab file name, "$", "set", or "unset" */ | |
78f31dbc | 44 | if (!(p = strtok(p, "\n\t "))) |
87b199a9 KB |
45 | specerr(); |
46 | ||
87b199a9 KB |
47 | if (p[0] == '/') |
48 | switch(p[1]) { | |
87b199a9 KB |
49 | case 's': |
50 | if (strcmp(p + 1, "set")) | |
51 | break; | |
f06151dd | 52 | set(&ginfo); |
87b199a9 KB |
53 | continue; |
54 | case 'u': | |
4c7f2dd1 | 55 | if (strcmp(p + 1, "unset")) |
87b199a9 | 56 | break; |
f06151dd | 57 | unset(&ginfo); |
87b199a9 KB |
58 | continue; |
59 | } | |
60 | ||
61 | if (index(p, '/')) { | |
62 | (void)fprintf(stderr, | |
63 | "mtree: file names may not contain slashes.\n"); | |
64 | specerr(); | |
65 | } | |
66 | ||
87b199a9 KB |
67 | if (!strcmp(p, "..")) { |
68 | /* don't go up, if haven't gone down */ | |
03f682fb KB |
69 | if (!root) |
70 | noparent(); | |
6e4c29b1 | 71 | if (last->type != F_DIR || last->flags & F_DONE) { |
03f682fb KB |
72 | if (last == root) |
73 | noparent(); | |
74 | last = last->parent; | |
87b199a9 | 75 | } |
03f682fb KB |
76 | last->flags |= F_DONE; |
77 | continue; | |
87b199a9 KB |
78 | } |
79 | ||
6e4c29b1 KB |
80 | centry = emalloc(sizeof(NODE) + strlen(p)); |
81 | *centry = ginfo; | |
7e5e86d9 KB |
82 | (void)strcpy(centry->name, p); |
83 | #define MAGIC "?*[" | |
84 | if (strpbrk(p, MAGIC)) | |
85 | centry->flags |= F_MAGIC; | |
6e4c29b1 | 86 | set(centry); |
87b199a9 KB |
87 | |
88 | if (!root) { | |
89 | last = root = centry; | |
90 | root->parent = root; | |
6e4c29b1 | 91 | } else if (last->type == F_DIR && !(last->flags & F_DONE)) { |
87b199a9 KB |
92 | centry->parent = last; |
93 | last = last->child = centry; | |
94 | } else { | |
95 | centry->parent = last->parent; | |
f06151dd | 96 | centry->prev = last; |
87b199a9 KB |
97 | last = last->next = centry; |
98 | } | |
99 | } | |
100 | } | |
03f682fb | 101 | |
f06151dd | 102 | set(ip) |
6e4c29b1 | 103 | register NODE *ip; |
cbe4b98c | 104 | { |
6e4c29b1 KB |
105 | register int type; |
106 | register char *kw, *val; | |
cbe4b98c KB |
107 | gid_t getgroup(); |
108 | uid_t getowner(); | |
109 | long atol(), strtol(); | |
110 | ||
78f31dbc | 111 | while (kw = strtok((char *)NULL, "= \t\n")) { |
f06151dd | 112 | ip->flags |= type = key(kw); |
78f31dbc | 113 | val = strtok((char *)NULL, " \t\n"); |
f06151dd | 114 | if (!val) |
cbe4b98c | 115 | specerr(); |
f06151dd KB |
116 | switch(type) { |
117 | case F_CKSUM: | |
118 | ip->cksum = atol(val); | |
119 | break; | |
120 | case F_GROUP: | |
121 | ip->st_gid = getgroup(val); | |
122 | break; | |
123 | case F_IGN: | |
124 | /* just set flag bit */ | |
125 | break; | |
78f31dbc | 126 | case F_MODE: { |
1978bf80 | 127 | mode_t *m, *setmode(); |
78f31dbc | 128 | |
1978bf80 | 129 | if (!(m = setmode(val))) { |
78f31dbc KB |
130 | (void)fprintf(stderr, |
131 | "mtree: invalid file mode %s.\n", val); | |
132 | specerr(); | |
133 | } | |
1978bf80 | 134 | ip->st_mode = getmode(m, 0); |
f06151dd | 135 | break; |
78f31dbc | 136 | } |
f06151dd KB |
137 | case F_NLINK: |
138 | ip->st_nlink = atoi(val); | |
139 | break; | |
140 | case F_OWNER: | |
141 | ip->st_uid = getowner(val); | |
142 | break; | |
143 | case F_SIZE: | |
144 | ip->st_size = atol(val); | |
145 | break; | |
146 | case F_SLINK: | |
147 | if (!(ip->slink = strdup(val))) | |
148 | nomem(); | |
149 | break; | |
0af6fb71 KB |
150 | case F_TIME: |
151 | ip->st_mtime = atol(val); | |
152 | break; | |
f06151dd KB |
153 | case F_TYPE: |
154 | switch(*val) { | |
155 | case 'b': | |
156 | if (!strcmp(val, "block")) | |
157 | ip->type = F_BLOCK; | |
158 | break; | |
159 | case 'c': | |
160 | if (!strcmp(val, "char")) | |
161 | ip->type = F_CHAR; | |
162 | break; | |
163 | case 'd': | |
164 | if (!strcmp(val, "dir")) | |
165 | ip->type = F_DIR; | |
166 | break; | |
167 | case 'f': | |
168 | if (!strcmp(val, "file")) | |
169 | ip->type = F_FILE; | |
c85e0d87 KB |
170 | if (!strcmp(val, "fifo")) |
171 | ip->type = F_FIFO; | |
f06151dd KB |
172 | break; |
173 | case 'l': | |
174 | if (!strcmp(val, "link")) | |
175 | ip->type = F_LINK; | |
176 | break; | |
177 | case 's': | |
178 | if (!strcmp(val, "socket")) | |
179 | ip->type = F_SOCK; | |
180 | break; | |
181 | default: | |
182 | (void)fprintf(stderr, | |
183 | "mtree: unknown file type %s.\n", val); | |
184 | specerr(); | |
185 | } | |
186 | break; | |
cbe4b98c | 187 | } |
cbe4b98c KB |
188 | } |
189 | } | |
190 | ||
f06151dd | 191 | unset(ip) |
6e4c29b1 | 192 | register NODE *ip; |
cbe4b98c | 193 | { |
f06151dd KB |
194 | register char *p; |
195 | ||
78f31dbc | 196 | while (p = strtok((char *)NULL, "\n\t ")) |
f06151dd | 197 | ip->flags &= ~key(p); |
cbe4b98c KB |
198 | } |
199 | ||
cbe4b98c KB |
200 | key(p) |
201 | char *p; | |
202 | { | |
203 | switch(*p) { | |
204 | case 'c': | |
205 | if (!strcmp(p, "cksum")) | |
206 | return(F_CKSUM); | |
207 | break; | |
cbe4b98c KB |
208 | case 'g': |
209 | if (!strcmp(p, "group")) | |
210 | return(F_GROUP); | |
211 | break; | |
f06151dd KB |
212 | case 'i': |
213 | if (!strcmp(p, "ignore")) | |
214 | return(F_IGN); | |
215 | break; | |
216 | case 'l': | |
217 | if (!strcmp(p, "link")) | |
218 | return(F_SLINK); | |
219 | break; | |
cbe4b98c KB |
220 | case 'm': |
221 | if (!strcmp(p, "mode")) | |
222 | return(F_MODE); | |
223 | break; | |
224 | case 'n': | |
225 | if (!strcmp(p, "nlink")) | |
226 | return(F_NLINK); | |
227 | break; | |
228 | case 'o': | |
229 | if (!strcmp(p, "owner")) | |
230 | return(F_OWNER); | |
231 | break; | |
232 | case 's': | |
233 | if (!strcmp(p, "size")) | |
234 | return(F_SIZE); | |
cbe4b98c KB |
235 | break; |
236 | case 't': | |
237 | if (!strcmp(p, "type")) | |
238 | return(F_TYPE); | |
0af6fb71 KB |
239 | if (!strcmp(p, "time")) |
240 | return(F_TIME); | |
cbe4b98c KB |
241 | break; |
242 | } | |
f06151dd | 243 | (void)fprintf(stderr, "mtree: unknown keyword %s.\n", p); |
cbe4b98c KB |
244 | specerr(); |
245 | /* NOTREACHED */ | |
246 | } | |
247 | ||
cbe4b98c | 248 | |
70db696e | 249 | uid_t |
cbe4b98c KB |
250 | getowner(p) |
251 | register char *p; | |
252 | { | |
253 | struct passwd *pw; | |
254 | int val; | |
255 | ||
256 | if (isdigit(*p)) { | |
257 | if ((val = atoi(p)) >= 0) | |
258 | return((uid_t)val); | |
259 | (void)fprintf(stderr, "mtree: illegal uid value %s.\n", p); | |
260 | } else if (pw = getpwnam(p)) | |
261 | return(pw->pw_uid); | |
262 | else | |
263 | (void)fprintf(stderr, "mtree: unknown user %s.\n", p); | |
264 | specerr(); | |
265 | /* NOTREACHED */ | |
266 | } | |
267 | ||
70db696e | 268 | gid_t |
cbe4b98c KB |
269 | getgroup(p) |
270 | register char *p; | |
271 | { | |
272 | struct group *gr; | |
273 | int val; | |
274 | ||
275 | if (isdigit(*p)) { | |
276 | if ((val = atoi(p)) >= 0) | |
277 | return((gid_t)val); | |
278 | (void)fprintf(stderr, "mtree: illegal gid value %s.\n", p); | |
279 | } else if (gr = getgrnam(p)) | |
280 | return(gr->gr_gid); | |
281 | else | |
282 | (void)fprintf(stderr, "mtree: unknown group %s.\n", p); | |
283 | specerr(); | |
284 | /* NOTREACHED */ | |
285 | } | |
286 | ||
03f682fb KB |
287 | noparent() |
288 | { | |
289 | (void)fprintf(stderr, "mtree: no parent node.\n"); | |
290 | specerr(); | |
291 | } | |
cbe4b98c | 292 | |
cbe4b98c KB |
293 | specerr() |
294 | { | |
295 | (void)fprintf(stderr, | |
296 | "mtree: line %d of the specification is incorrect.\n", lineno); | |
297 | exit(1); | |
298 | } | |
f06151dd | 299 | |
70db696e | 300 | NODE * |
f06151dd KB |
301 | emalloc(size) |
302 | int size; | |
303 | { | |
304 | void *p; | |
305 | ||
306 | /* NOSTRICT */ | |
307 | if (!(p = malloc((u_int)size))) | |
308 | nomem(); | |
309 | bzero(p, size); | |
6e4c29b1 | 310 | return((NODE *)p); |
f06151dd KB |
311 | } |
312 | ||
f06151dd KB |
313 | nomem() |
314 | { | |
315 | (void)fprintf(stderr, "mtree: %s.\n", strerror(ENOMEM)); | |
316 | exit(1); | |
317 | } |