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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* "$Id: file.c,v 1.7 2001/06/26 16:22:22 mike Exp $"
*
* File functions for the ESP Package Manager (EPM).
*
* Copyright 1999-2001 by Easy Software Products.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Contents:
*
* copy_file() - Copy a file...
* make_directory() - Make a directory.
* make_link() - Make a symbolic link.
* strip_execs() - Strip symbols from executable files in the
* distribution.
*/
/*
* Include necessary headers...
*/
#include "epm.h"
/*
* 'copy_file()' - Copy a file...
*/
int /* O - 0 on success, -1 on failure */
copy_file(const char *dst, /* I - Destination file */
const char *src, /* I - Source file */
int mode, /* I - Permissions */
int owner, /* I - Owner ID */
int group) /* I - Group ID */
{
FILE *dstfile, /* Destination file */
*srcfile; /* Source file */
char buffer[8192]; /* Copy buffer */
char *slash; /* Pointer to trailing slash */
int bytes; /* Number of bytes read/written */
/*
* Check that the destination directory exists...
*/
strcpy(buffer, dst);
if ((slash = strrchr(buffer, '/')) != NULL)
*slash = '\0';
if (access(buffer, F_OK))
make_directory(buffer, 0755, owner, group);
/*
* Open files...
*/
unlink(dst);
if ((dstfile = fopen(dst, "wb")) == NULL)
{
fprintf(stderr, "epm: Unable to create \"%s\" -\n %s\n", dst,
strerror(errno));
return (-1);
}
if ((srcfile = fopen(src, "rb")) == NULL)
{
fclose(dstfile);
unlink(dst);
fprintf(stderr, "epm: Unable to open \"%s\" -\n %s\n", src,
strerror(errno));
return (-1);
}
/*
* Copy from src to dst...
*/
while ((bytes = fread(buffer, 1, sizeof(buffer), srcfile)) > 0)
if (fwrite(buffer, 1, bytes, dstfile) < bytes)
{
fprintf(stderr, "epm: Unable to write to \"%s\" -\n %s\n", src,
strerror(errno));
fclose(srcfile);
fclose(dstfile);
unlink(dst);
return (-1);
}
/*
* Close files, change permissions, and return...
*/
fclose(srcfile);
fclose(dstfile);
chmod(dst, mode);
chown(dst, owner, group);
return (0);
}
/*
* 'make_directory()' - Make a directory.
*/
int /* O - 0 = success, -1 = error */
make_directory(const char *directory, /* I - Directory */
int mode, /* I - Permissions */
int owner, /* I - Owner ID */
int group) /* I - Group ID */
{
char buffer[8192], /* Filename buffer */
*bufptr; /* Pointer into buffer */
for (bufptr = buffer; *directory;)
{
if (*directory == '/' && bufptr > buffer)
{
*bufptr = '\0';
if (access(buffer, F_OK))
{
mkdir(buffer, 0777);
chmod(buffer, mode | 0700);
chown(buffer, owner, group);
}
}
*bufptr++ = *directory++;
}
*bufptr = '\0';
if (access(buffer, F_OK))
{
mkdir(buffer, 0777);
chmod(buffer, mode | 0700);
chown(buffer, owner, group);
}
return (0);
}
/*
* 'make_link()' - Make a symbolic link.
*/
int /* O - 0 = success, -1 = error */
make_link(const char *dst, /* I - Destination file */
const char *src) /* I - Link */
{
char buffer[8192], /* Copy buffer */
*slash; /* Pointer to trailing slash */
/*
* Check that the destination directory exists...
*/
strcpy(buffer, dst);
if ((slash = strrchr(buffer, '/')) != NULL)
*slash = '\0';
if (access(buffer, F_OK))
make_directory(buffer, 0755, 0, 0);
/*
* Make the symlink...
*/
return (symlink(src, dst));
}
/*
* 'strip_execs()' - Strip symbols from executable files in the distribution.
*/
void
strip_execs(dist_t *dist) /* I - Distribution to strip... */
{
int i; /* Looping var */
file_t *file; /* Software file */
/*
* Loop through the distribution files and strip any executable
* files.
*/
for (i = dist->num_files, file = dist->files; i > 0; i --, file ++)
if (tolower(file->type) == 'f' && (file->mode & 0111))
{
/*
* Strip executables...
*/
run_command(NULL, EPM_STRIP " %s", file->src);
}
}
/*
* End of "$Id: file.c,v 1.7 2001/06/26 16:22:22 mike Exp $".
*/
|
