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
|
/* rpmarchive: spit out the main archive portion of a package */
#include "system.h"
#include <rpmlib.h>
#include <rpmpgp.h>
#include "depends.c"
#include "debug.h"
int main(int argc, char **argv)
{
FD_t fdi, fdo;
Header h;
char * rpmio_flags;
rpmRC rc;
FD_t gzdi;
setprogname(argv[0]); /* Retrofit glibc __progname */
if (argc == 1)
fdi = fdDup(STDIN_FILENO);
else
fdi = Fopen(argv[1], "r.ufdio");
if (Ferror(fdi)) {
fprintf(stderr, "%s: %s: %s\n", argv[0],
(argc == 1 ? "<stdin>" : argv[1]), Fstrerror(fdi));
exit(EXIT_FAILURE);
}
fdo = fdDup(STDOUT_FILENO);
{ rpmTransactionSet ts = rpmtsCreate();
/*@-mustmod@*/ /* LCL: segfault */
rc = rpmReadPackageFile(ts, fdi, "rpm2cpio", &h);
/*@=mustmod@*/
ts = rpmtsFree(ts);
}
switch (rc) {
case RPMRC_BADSIZE:
case RPMRC_OK:
break;
case RPMRC_NOTFOUND:
fprintf(stderr, _("argument is not an RPM package\n"));
exit(EXIT_FAILURE);
break;
case RPMRC_FAIL:
case RPMRC_SHORTREAD:
default:
fprintf(stderr, _("error reading header from package\n"));
exit(EXIT_FAILURE);
break;
}
/* Retrieve type of payload compression. */
{ const char * payload_compressor = NULL;
char * t;
if (!headerGetEntry(h, RPMTAG_PAYLOADCOMPRESSOR, NULL,
(void **) &payload_compressor, NULL))
payload_compressor = "gzip";
rpmio_flags = t = alloca(sizeof("r.gzdio"));
*t++ = 'r';
if (!strcmp(payload_compressor, "gzip"))
t = stpcpy(t, ".gzdio");
if (!strcmp(payload_compressor, "bzip2"))
t = stpcpy(t, ".bzdio");
}
gzdi = Fdopen(fdi, rpmio_flags); /* XXX gzdi == fdi */
if (gzdi == NULL) {
fprintf(stderr, _("cannot re-open payload: %s\n"), Fstrerror(gzdi));
exit(EXIT_FAILURE);
}
rc = ufdCopy(gzdi, fdo);
rc = (rc <= 0) ? EXIT_FAILURE : EXIT_SUCCESS;
Fclose(fdo);
Fclose(gzdi); /* XXX gzdi == fdi */
return rc;
}
|
