1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/* $NetBSD: pl.c,v 1.15 2016/04/10 19:01:19 joerg Exp $ */
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <nbcompat.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
__RCSID("$NetBSD: pl.c,v 1.15 2016/04/10 19:01:19 joerg Exp $");
/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Jordan K. Hubbard
* 18 July 1993
*
* Routines for dealing with the packing list.
*
*/
#include "lib.h"
#include "create.h"
#if HAVE_ERR_H
#include <err.h>
#endif
#ifndef NETBSD
#include <nbcompat/md5.h>
#else
#include <md5.h>
#endif
/*
* Check that any symbolic link is relative to the prefix
*/
static void
CheckSymlink(char *name, char *prefix, size_t prefixcc)
{
char newtgt[MaxPathSize];
char oldtgt[MaxPathSize];
char *slash;
int slashc;
int cc;
int i;
if ((cc = readlink(name, oldtgt, sizeof(oldtgt) - 1)) > 0) {
oldtgt[cc] = 0;
if (strncmp(oldtgt, prefix, prefixcc) == 0 && oldtgt[prefixcc] == '/') {
for (slashc = 0, slash = &name[prefixcc + 1]; (slash = strchr(slash, '/')) != (char *) NULL; slash++, slashc++) {
}
for (cc = i = 0; i < slashc; i++) {
strlcpy(&newtgt[cc], "../", sizeof(newtgt) - cc);
cc += 3;
}
strlcpy(&newtgt[cc], &oldtgt[prefixcc + 1], sizeof(newtgt) - cc);
(void) fprintf(stderr, "Full pathname symlink `%s' is target of `%s' - adjusting to `%s'\n", oldtgt, name, newtgt);
if (unlink(name) != 0) {
warn("can't unlink `%s'", name);
} else if (symlink(newtgt, name) != 0) {
warn("can't symlink `%s' called `%s'", newtgt, name);
}
}
}
}
/*
* Check a list for files that require preconversion
*/
void
check_list(package_t *pkg, const char *PkgName)
{
struct stat st;
plist_t *tmp;
plist_t *p;
char buf[ChecksumHeaderLen + LegibleChecksumLen];
char target[MaxPathSize + SymlinkHeaderLen];
char name[MaxPathSize];
char *cwd = NULL;
char *pkgname = NULL;
int cc;
for (p = pkg->head; p; p = p->next) {
switch (p->type) {
case PLIST_CWD:
cwd = p->name;
break;
case PLIST_NAME:
pkgname = p->name;
break;
case PLIST_IGNORE:
p = p->next;
break;
case PLIST_PKGDIR:
if (cwd == NULL)
errx(2, "@pkgdir without preceding @cwd found");
if (pkgname == NULL)
errx(2, "@pkgdir without preceding @name found");
break;
case PLIST_FILE:
if (cwd == NULL)
errx(2, "file without preceding @cwd found");
(void) snprintf(name, sizeof(name), "%s%s%s",
cwd,
(strcmp(cwd, "/") == 0) ? "" : "/",
p->name);
if (lstat(name, &st) < 0) {
warnx("can't stat `%s'", name);
continue;
}
switch (st.st_mode & S_IFMT) {
case S_IFDIR:
warnx("Warning - directory `%s' in PLIST", name);
break;
case S_IFLNK:
if (RelativeLinks) {
CheckSymlink(name, cwd, strlen(cwd));
}
(void) strlcpy(target, SYMLINK_HEADER,
sizeof(target));
if ((cc = readlink(name, &target[SymlinkHeaderLen],
sizeof(target) - SymlinkHeaderLen - 1)) < 0) {
warnx("can't readlink `%s'", name);
continue;
}
target[SymlinkHeaderLen + cc] = 0x0;
tmp = new_plist_entry();
tmp->name = xstrdup(target);
tmp->type = PLIST_COMMENT;
tmp->next = p->next;
tmp->prev = p;
if (p == pkg->tail) {
pkg->tail = tmp;
}
p->next = tmp;
p = tmp;
break;
case S_IFCHR:
warnx("Warning - char special device `%s' in PLIST", name);
break;
case S_IFBLK:
warnx("Warning - block special device `%s' in PLIST", name);
break;
default:
(void) strlcpy(buf, CHECKSUM_HEADER,
sizeof(buf));
if (MD5File(name, &buf[ChecksumHeaderLen]) != (char *) NULL) {
tmp = new_plist_entry();
tmp->name = xstrdup(buf);
tmp->type = PLIST_COMMENT; /* PLIST_MD5 - HF */
tmp->next = p->next;
tmp->prev = p;
if (p == pkg->tail) {
pkg->tail = tmp;
}
p->next = tmp;
p = tmp;
}
break;
}
break;
default:
break;
}
}
}
|
