1 /*-
2 * Copyright (C) 2015 Baptiste Daroussin <bapt@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 #include <sys/wait.h>
29
30 #include <err.h>
31 #include <sysexits.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <unistd.h>
35
36 #include "pw.h"
37
38 int
pw_checkfd(char * nptr)39 pw_checkfd(char *nptr)
40 {
41 const char *errstr;
42 int fd = -1;
43
44 if (strcmp(nptr, "-") == 0)
45 return '-';
46 fd = strtonum(nptr, 0, INT_MAX, &errstr);
47 if (errstr != NULL)
48 errx(EX_USAGE, "Bad file descriptor '%s': %s",
49 nptr, errstr);
50 return (fd);
51 }
52
53 uintmax_t
pw_checkid(char * nptr,uintmax_t maxval)54 pw_checkid(char *nptr, uintmax_t maxval)
55 {
56 const char *errstr = NULL;
57 uintmax_t id;
58
59 id = strtounum(nptr, 0, maxval, &errstr);
60 if (errstr)
61 errx(EX_USAGE, "Bad id '%s': %s", nptr, errstr);
62 return (id);
63 }
64
65 struct userconf *
get_userconfig(const char * config)66 get_userconfig(const char *config)
67 {
68 char defaultcfg[MAXPATHLEN];
69
70 if (config != NULL)
71 return (read_userconfig(config));
72 snprintf(defaultcfg, sizeof(defaultcfg), "%s/" _PW_CONF, conf.etcpath);
73 return (read_userconfig(defaultcfg));
74 }
75
76 int
nis_update(void)77 nis_update(void) {
78 pid_t pid;
79 int i;
80
81 fflush(NULL);
82 if ((pid = fork()) == -1) {
83 warn("fork()");
84 return (1);
85 }
86 if (pid == 0) {
87 execlp("/usr/bin/make", "make", "-C", "/var/yp/", (char*) NULL);
88 _exit(1);
89 }
90 waitpid(pid, &i, 0);
91 if ((i = WEXITSTATUS(i)) != 0)
92 errx(i, "make exited with status %d", i);
93 return (i);
94 }
95
96 static void
metalog_emit_record(const char * path,const char * target,mode_t mode,uid_t uid,gid_t gid,int flags)97 metalog_emit_record(const char *path, const char *target, mode_t mode,
98 uid_t uid, gid_t gid, int flags)
99 {
100 const char *flagstr, *type;
101 int error;
102
103 if (conf.metalog == NULL)
104 return;
105
106 if (target != NULL)
107 type = "link";
108 else if (S_ISDIR(mode))
109 type = "dir";
110 else if (S_ISREG(mode))
111 type = "file";
112 else
113 errx(1, "metalog_emit: unhandled file type for %s", path);
114
115 flagstr = fflagstostr(flags &
116 (UF_IMMUTABLE | UF_APPEND | SF_IMMUTABLE | SF_APPEND));
117 if (flagstr == NULL)
118 errx(1, "metalog_emit: fflagstostr failed");
119
120 error = fprintf(conf.metalog,
121 "./%s type=%s mode=0%03o uid=%u gid=%u%s%s%s%s\n",
122 path, type, mode & ACCESSPERMS, uid, gid,
123 target != NULL ? " link=" : "", target != NULL ? target : "",
124 *flagstr != '\0' ? " flags=" : "", *flagstr != '\0' ? flagstr : "");
125 if (error < 0)
126 errx(1, "metalog_emit: write error");
127 }
128
129 void
metalog_emit(const char * path,mode_t mode,uid_t uid,gid_t gid,int flags)130 metalog_emit(const char *path, mode_t mode, uid_t uid, gid_t gid, int flags)
131 {
132 metalog_emit_record(path, NULL, mode, uid, gid, flags);
133 }
134
135 void
metalog_emit_symlink(const char * path,const char * target,mode_t mode,uid_t uid,gid_t gid)136 metalog_emit_symlink(const char *path, const char *target, mode_t mode,
137 uid_t uid, gid_t gid)
138 {
139 metalog_emit_record(path, target, mode, uid, gid, 0);
140 }
141