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
|
#include "system.h"
#include <rpmlib.h>
#include <rpmmacro.h> /* XXX for rpmGetPath */
#include "rpmdb.h"
extern int _useDbiMajor; /* XXX shared with dbindex.c */
extern int __do_dbenv_remove; /* XXX in dbindex.c, shared with rebuilddb.c */
/** */
int rpmdbRebuild(const char * rootdir)
{
rpmdb olddb;
const char * dbpath = NULL;
const char * rootdbpath = NULL;
rpmdb newdb;
const char * newdbpath = NULL;
const char * newrootdbpath = NULL;
const char * tfn;
int nocleanup = 1;
int failed = 0;
int rc = 0;
int _filterDbDups; /* Filter duplicate entries ? (bug in pre rpm-3.0.4) */
int _preferDbiMajor;
_filterDbDups = rpmExpandNumeric("%{_filterdbdups}");
_preferDbiMajor = rpmExpandNumeric("%{_preferdb}");
fprintf(stderr, "*** rpmdbRebuild: filterdbdups %d preferdb %d\n", _filterDbDups, _preferDbiMajor);
tfn = rpmGetPath("%{_dbpath}", NULL);
if (!(tfn && tfn[0] != '%')) {
rpmMessage(RPMMESS_DEBUG, _("no dbpath has been set"));
rc = 1;
goto exit;
}
dbpath = rootdbpath = rpmGetPath(rootdir, tfn, NULL);
if (!(rootdir[0] == '/' && rootdir[1] == '\0'))
dbpath += strlen(rootdir);
xfree(tfn);
tfn = rpmGetPath("%{_rebuilddbpath}", NULL);
if (!(tfn && tfn[0] != '%' && strcmp(tfn, dbpath))) {
char pidbuf[20];
char *t;
sprintf(pidbuf, "rebuilddb.%d", (int) getpid());
t = xmalloc(strlen(dbpath) + strlen(pidbuf) + 1);
(void)stpcpy(stpcpy(t, dbpath), pidbuf);
if (tfn) xfree(tfn);
tfn = t;
nocleanup = 0;
}
newdbpath = newrootdbpath = rpmGetPath(rootdir, tfn, NULL);
if (!(rootdir[0] == '/' && rootdir[1] == '\0'))
newdbpath += strlen(rootdir);
xfree(tfn);
rpmMessage(RPMMESS_DEBUG, _("rebuilding database %s into %s\n"),
rootdbpath, newrootdbpath);
if (!access(newrootdbpath, F_OK)) {
rpmError(RPMERR_MKDIR, _("temporary database %s already exists"),
newrootdbpath);
rc = 1;
goto exit;
}
rpmMessage(RPMMESS_DEBUG, _("creating directory: %s\n"), newrootdbpath);
if (Mkdir(newrootdbpath, 0755)) {
rpmError(RPMERR_MKDIR, _("error creating directory %s: %s"),
newrootdbpath, strerror(errno));
rc = 1;
goto exit;
}
#if 0
_useDbiMajor = ((_preferDbiMajor >= 0) ? (_preferDbiMajor & 0x03) : -1);
#else
_useDbiMajor = -1;
#endif
rpmMessage(RPMMESS_DEBUG, _("opening old database with dbi_major %d\n"),
_useDbiMajor);
if (openDatabase(rootdir, dbpath, &olddb, O_RDONLY, 0644,
RPMDB_FLAG_MINIMAL)) {
rc = 1;
goto exit;
}
_useDbiMajor = ((_preferDbiMajor >= 0) ? (_preferDbiMajor & 0x03) : -1);
rpmMessage(RPMMESS_DEBUG, _("opening new database with dbi_major %d\n"),
_useDbiMajor);
if (openDatabase(rootdir, newdbpath, &newdb, O_RDWR | O_CREAT, 0644, 0)) {
rc = 1;
goto exit;
}
{ Header h = NULL;
rpmdbMatchIterator mi;
#define _RECNUM rpmdbGetIteratorOffset(mi)
mi = rpmdbInitIterator(olddb, RPMDBI_PACKAGES, NULL, 0);
while ((h = rpmdbNextIterator(mi)) != NULL) {
/* let's sanity check this record a bit, otherwise just skip it */
if (!(headerIsEntry(h, RPMTAG_NAME) &&
headerIsEntry(h, RPMTAG_VERSION) &&
headerIsEntry(h, RPMTAG_RELEASE) &&
headerIsEntry(h, RPMTAG_BUILDTIME)))
{
rpmError(RPMERR_INTERNAL,
_("record number %d in database is bad -- skipping."),
_RECNUM);
continue;
}
/* Filter duplicate entries ? (bug in pre rpm-3.0.4) */
if (_filterDbDups) {
const char * name, * version, * release;
int skip = 0;
headerNVR(h, &name, &version, &release);
{ rpmdbMatchIterator mi;
mi = rpmdbInitIterator(newdb, RPMDBI_NAME, name, 0);
rpmdbSetIteratorVersion(mi, version);
rpmdbSetIteratorRelease(mi, release);
while (rpmdbNextIterator(mi)) {
skip = 1;
break;
}
rpmdbFreeIterator(mi);
}
if (skip)
continue;
}
if (rpmdbAdd(newdb, h)) {
rpmError(RPMERR_INTERNAL,
_("cannot add record originally at %d"), _RECNUM);
failed = 1;
break;
}
}
rpmdbFreeIterator(mi);
}
if (!nocleanup)
__do_dbenv_remove = 1; /* XXX in dbindex.c, shared with rebuilddb.c */
rpmdbClose(olddb);
rpmdbClose(newdb);
if (failed) {
rpmMessage(RPMMESS_NORMAL, _("failed to rebuild database; original database "
"remains in place\n"));
rpmdbRemoveDatabase(rootdir, newdbpath);
rc = 1;
goto exit;
} else if (!nocleanup) {
if (rpmdbMoveDatabase(rootdir, newdbpath, dbpath)) {
rpmMessage(RPMMESS_ERROR, _("failed to replace old database with new "
"database!\n"));
rpmMessage(RPMMESS_ERROR, _("replace files in %s with files from %s "
"to recover"), dbpath, newdbpath);
rc = 1;
goto exit;
}
if (Rmdir(newrootdbpath))
rpmMessage(RPMMESS_ERROR, _("failed to remove directory %s: %s\n"),
newrootdbpath, strerror(errno));
}
rc = 0;
exit:
if (rootdbpath) xfree(rootdbpath);
if (newrootdbpath) xfree(newrootdbpath);
return rc;
}
|
