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
|
/*
** Copyright 1998-2003 University of Illinois Board of Trustees
** Copyright 1998-2003 Mark D. Roth
** All rights reserved.
**
** wrapper.c - libtar high-level wrapper code
**
** Mark D. Roth <roth@uiuc.edu>
** Campus Information Technologies and Educational Services
** University of Illinois at Urbana-Champaign
*/
#define DEBUG
#include <internal.h>
#include <stdio.h>
#include <sys/param.h>
#include <dirent.h>
#include <errno.h>
#ifdef STDC_HEADERS
# include <string.h>
#endif
int
tar_extract_glob(TAR *t, char *globname, char *prefix)
{
char *filename;
char buf[MAXPATHLEN];
int i;
while ((i = th_read(t)) == 0)
{
filename = th_get_pathname(t);
if (fnmatch(globname, filename, FNM_PATHNAME | FNM_PERIOD))
{
if (TH_ISREG(t) && tar_skip_regfile(t))
return -1;
continue;
}
if (t->options & TAR_VERBOSE)
th_print_long_ls(t);
if (prefix != NULL)
snprintf(buf, sizeof(buf), "%s/%s", prefix, filename);
else
strlcpy(buf, filename, sizeof(buf));
if (tar_extract_file(t, filename, prefix) != 0)
return -1;
}
return (i == 1 ? 0 : -1);
}
int
tar_extract_all(TAR *t, char *prefix)
{
char *filename;
char buf[MAXPATHLEN];
int i;
printf("prefix: %s\n", prefix);
#ifdef DEBUG
printf("==> tar_extract_all(TAR *t, \"%s\")\n",
(prefix ? prefix : "(null)"));
#endif
while ((i = th_read(t)) == 0)
{
#ifdef DEBUG
puts(" tar_extract_all(): calling th_get_pathname()");
#endif
filename = th_get_pathname(t);
if (t->options & TAR_VERBOSE)
th_print_long_ls(t);
if (prefix != NULL)
snprintf(buf, sizeof(buf), "%s/%s", prefix, filename);
else
strlcpy(buf, filename, sizeof(buf));
#ifdef DEBUG
printf(" tar_extract_all(): calling tar_extract_file(t, "
"\"%s\")\n", buf);
#endif
printf("item name: '%s'\n", filename);
/*
if (strcmp(filename, "/") == 0) {
printf("skipping /\n");
continue;
}
*/
if (tar_extract_file(t, buf, prefix) != 0)
return -1;
}
return (i == 1 ? 0 : -1);
}
int
tar_append_tree(TAR *t, char *realdir, char *savedir)
{
char realpath[MAXPATHLEN];
char savepath[MAXPATHLEN];
struct dirent *dent;
DIR *dp;
struct stat s;
#ifdef DEBUG
printf("==> tar_append_tree(0x%lx, \"%s\", \"%s\")\n",
t, realdir, (savedir ? savedir : "[NULL]"));
#endif
if (tar_append_file(t, realdir, savedir) != 0)
return -1;
#ifdef DEBUG
puts(" tar_append_tree(): done with tar_append_file()...");
#endif
dp = opendir(realdir);
if (dp == NULL)
{
if (errno == ENOTDIR)
return 0;
return -1;
}
while ((dent = readdir(dp)) != NULL)
{
if (strcmp(dent->d_name, ".") == 0 ||
strcmp(dent->d_name, "..") == 0)
continue;
snprintf(realpath, MAXPATHLEN, "%s/%s", realdir,
dent->d_name);
if (savedir)
snprintf(savepath, MAXPATHLEN, "%s/%s", savedir,
dent->d_name);
if (lstat(realpath, &s) != 0)
return -1;
if (S_ISDIR(s.st_mode))
{
if (tar_append_tree(t, realpath,
(savedir ? savepath : NULL)) != 0)
return -1;
continue;
}
if (tar_append_file(t, realpath,
(savedir ? savepath : NULL)) != 0)
return -1;
}
closedir(dp);
return 0;
}
|
