Commit | Line | Data |
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da158ee3 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
c76e0466 | 11 | #endif |
da158ee3 DF |
12 | |
13 | #ifndef lint | |
95f51977 | 14 | static char sccsid[] = "@(#)chown.c 5.6 (Berkeley) 5/29/86"; |
c76e0466 | 15 | #endif |
702e3fe5 | 16 | |
69e53de7 | 17 | /* |
c20a3dbc | 18 | * chown [-fR] uid[.gid] file ... |
69e53de7 BJ |
19 | */ |
20 | ||
21 | #include <stdio.h> | |
22 | #include <ctype.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <pwd.h> | |
702e3fe5 KM |
26 | #include <sys/dir.h> |
27 | #include <grp.h> | |
c76e0466 | 28 | #include <strings.h> |
69e53de7 | 29 | |
c76e0466 SL |
30 | struct passwd *pwd; |
31 | struct passwd *getpwnam(); | |
32 | struct stat stbuf; | |
69e53de7 BJ |
33 | int uid; |
34 | int status; | |
c76e0466 SL |
35 | int fflag; |
36 | int rflag; | |
69e53de7 BJ |
37 | |
38 | main(argc, argv) | |
c76e0466 | 39 | char *argv[]; |
69e53de7 | 40 | { |
702e3fe5 | 41 | register int c, gid; |
c76e0466 | 42 | register char *cp, *group; |
702e3fe5 | 43 | struct group *grp; |
69e53de7 | 44 | |
c76e0466 SL |
45 | argc--, argv++; |
46 | while (argc > 0 && argv[0][0] == '-') { | |
47 | for (cp = &argv[0][1]; *cp; cp++) switch (*cp) { | |
48 | ||
49 | case 'f': | |
50 | fflag++; | |
51 | break; | |
52 | ||
53 | case 'R': | |
54 | rflag++; | |
55 | break; | |
56 | ||
57 | default: | |
58 | fatal(255, "unknown option: %c", *cp); | |
59 | } | |
60 | argv++, argc--; | |
61 | } | |
62 | if (argc < 2) { | |
c20a3dbc | 63 | fprintf(stderr, "usage: chown [-fR] owner[.group] file ...\n"); |
702e3fe5 | 64 | exit(-1); |
69e53de7 | 65 | } |
0d1910d5 | 66 | gid = -1; |
c76e0466 SL |
67 | group = index(argv[0], '.'); |
68 | if (group != NULL) { | |
69 | *group++ = '\0'; | |
70 | if (!isnumber(group)) { | |
71 | if ((grp = getgrnam(group)) == NULL) | |
72 | fatal(255, "unknown group: %s",group); | |
73 | gid = grp -> gr_gid; | |
0d1910d5 JB |
74 | (void) endgrent(); |
75 | } else if (*group != '\0') | |
c76e0466 | 76 | gid = atoi(group); |
9a5d5654 | 77 | } |
c76e0466 SL |
78 | if (!isnumber(argv[0])) { |
79 | if ((pwd = getpwnam(argv[0])) == NULL) | |
80 | fatal(255, "unknown user id: %s",argv[0]); | |
702e3fe5 | 81 | uid = pwd->pw_uid; |
c76e0466 SL |
82 | } else |
83 | uid = atoi(argv[0]); | |
84 | for (c = 1; c < argc; c++) { | |
85 | /* do stat for directory arguments */ | |
80eff57a KM |
86 | if (lstat(argv[c], &stbuf) < 0) { |
87 | status += Perror(argv[c]); | |
c76e0466 | 88 | continue; |
702e3fe5 | 89 | } |
d1c92693 | 90 | if (rflag && ((stbuf.st_mode&S_IFMT) == S_IFDIR)) { |
0d1910d5 | 91 | status += chownr(argv[c], uid, gid); |
c76e0466 SL |
92 | continue; |
93 | } | |
94 | if (chown(argv[c], uid, gid)) { | |
80eff57a | 95 | status += Perror(argv[c]); |
c76e0466 | 96 | continue; |
69e53de7 BJ |
97 | } |
98 | } | |
99 | exit(status); | |
100 | } | |
101 | ||
102 | isnumber(s) | |
c76e0466 | 103 | char *s; |
69e53de7 BJ |
104 | { |
105 | register c; | |
106 | ||
107 | while(c = *s++) | |
c76e0466 SL |
108 | if (!isdigit(c)) |
109 | return (0); | |
110 | return (1); | |
69e53de7 | 111 | } |
702e3fe5 | 112 | |
0d1910d5 | 113 | chownr(dir, uid, gid) |
c76e0466 | 114 | char *dir; |
702e3fe5 | 115 | { |
c76e0466 SL |
116 | register DIR *dirp; |
117 | register struct direct *dp; | |
0d1910d5 | 118 | struct stat st; |
c76e0466 | 119 | char savedir[1024]; |
0d1910d5 JB |
120 | int ecode; |
121 | extern char *getwd(); | |
702e3fe5 | 122 | |
0d1910d5 | 123 | if (getwd(savedir) == (char *)0) |
c76e0466 SL |
124 | fatal(255, "%s", savedir); |
125 | /* | |
126 | * Change what we are given before doing it's contents. | |
127 | */ | |
80eff57a | 128 | if (chown(dir, uid, gid) < 0 && Perror(dir)) |
c76e0466 | 129 | return (1); |
80eff57a KM |
130 | if (chdir(dir) < 0) { |
131 | Perror(dir); | |
132 | return (1); | |
133 | } | |
134 | if ((dirp = opendir(".")) == NULL) { | |
135 | Perror(dir); | |
136 | return (1); | |
137 | } | |
702e3fe5 KM |
138 | dp = readdir(dirp); |
139 | dp = readdir(dirp); /* read "." and ".." */ | |
c76e0466 | 140 | ecode = 0; |
702e3fe5 | 141 | for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) { |
80eff57a KM |
142 | if (lstat(dp->d_name, &st) < 0) { |
143 | ecode = Perror(dp->d_name); | |
c76e0466 SL |
144 | if (ecode) |
145 | break; | |
146 | continue; | |
702e3fe5 | 147 | } |
d1c92693 | 148 | if ((st.st_mode&S_IFMT) == S_IFDIR) { |
0d1910d5 | 149 | ecode = chownr(dp->d_name, uid, gid); |
c76e0466 SL |
150 | if (ecode) |
151 | break; | |
152 | continue; | |
153 | } | |
154 | if (chown(dp->d_name, uid, gid) < 0 && | |
80eff57a | 155 | (ecode = Perror(dp->d_name))) |
c76e0466 | 156 | break; |
702e3fe5 KM |
157 | } |
158 | closedir(dirp); | |
c76e0466 SL |
159 | if (chdir(savedir) < 0) |
160 | fatal(255, "can't change back to %s", savedir); | |
161 | return (ecode); | |
162 | } | |
163 | ||
164 | error(fmt, a) | |
165 | char *fmt, *a; | |
166 | { | |
167 | ||
168 | if (!fflag) { | |
169 | fprintf(stderr, "chown: "); | |
170 | fprintf(stderr, fmt, a); | |
171 | putc('\n', stderr); | |
172 | } | |
173 | return (!fflag); | |
174 | } | |
175 | ||
176 | fatal(status, fmt, a) | |
177 | int status; | |
178 | char *fmt, *a; | |
179 | { | |
180 | ||
181 | fflag = 0; | |
182 | (void) error(fmt, a); | |
183 | exit(status); | |
184 | } | |
185 | ||
186 | Perror(s) | |
187 | char *s; | |
188 | { | |
189 | ||
80eff57a KM |
190 | if (!fflag) { |
191 | fprintf(stderr, "chown: "); | |
192 | perror(s); | |
193 | } | |
194 | return (!fflag); | |
702e3fe5 | 195 | } |