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
|
#include "system.h"
#include "rpmlib.h"
#include "md5.h"
#include "misc.h"
#include "messages.h"
#include "install.h"
#define S_ISDEV(m) (S_ISBLK((m)) || S_ISCHR((m)))
int rpmVerifyFile(char * prefix, Header h, int filenum, int * result,
int omitMask) {
char ** fileList, ** md5List, ** linktoList;
int_32 * verifyFlags, flags;
int_32 * sizeList, * mtimeList;
unsigned short * modeList, * rdevList;
char * fileStatesList;
char * filespec;
char * name;
gid_t gid;
int type, count, rc;
struct stat sb;
unsigned char md5sum[40];
int_32 * uidList, * gidList;
char linkto[1024];
int size;
char ** unameList, ** gnameList;
int_32 useBrokenMd5;
#if WORDS_BIGENDIAN
int_32 * brokenPtr;
#endif
#if WORDS_BIGENDIAN
if (!headerGetEntry(h, RPMTAG_BROKENMD5, NULL, (void **) &brokenPtr, NULL)) {
char * rpmVersion;
if (headerGetEntry(h, RPMTAG_RPMVERSION, NULL, (void **) &rpmVersion,
NULL)) {
useBrokenMd5 = ((rpmvercmp(rpmVersion, "2.3.3") >= 0) &&
(rpmvercmp(rpmVersion, "2.3.8") <= 0));
} else {
useBrokenMd5 = 1;
}
headerAddEntry(h, RPMTAG_BROKENMD5, RPM_INT32_TYPE, &useBrokenMd5, 1);
} else {
useBrokenMd5 = *brokenPtr;
}
#else
useBrokenMd5 = 0;
#endif
headerGetEntry(h, RPMTAG_FILEMODES, &type, (void **) &modeList, &count);
if (headerGetEntry(h, RPMTAG_FILEVERIFYFLAGS, &type, (void **) &verifyFlags,
&count)) {
flags = verifyFlags[filenum];
} else {
flags = RPMVERIFY_ALL;
}
headerGetEntry(h, RPMTAG_FILENAMES, &type, (void **) &fileList, &count);
filespec = alloca(strlen(fileList[filenum]) + strlen(prefix) + 5);
strcpy(filespec, prefix);
strcat(filespec, "/");
strcat(filespec, fileList[filenum]);
free(fileList);
*result = 0;
/* Check to see if the file was installed - if not pretend all is OK */
if (headerGetEntry(h, RPMTAG_FILESTATES, &type,
(void **) &fileStatesList, &count) && fileStatesList) {
if (fileStatesList[filenum] == RPMFILE_STATE_NOTINSTALLED)
return 0;
}
if (lstat(filespec, &sb))
return 1;
if (S_ISDIR(sb.st_mode))
flags &= ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME |
RPMVERIFY_LINKTO);
else if (S_ISLNK(sb.st_mode)) {
flags &= ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME);
# if CHOWN_FOLLOWS_SYMLINK
flags &= ~(RPMVERIFY_USER | RPMVERIFY_GROUP);
# endif
}
else if (S_ISFIFO(sb.st_mode))
flags &= ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME |
RPMVERIFY_LINKTO);
else if (S_ISCHR(sb.st_mode))
flags &= ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME |
RPMVERIFY_LINKTO);
else if (S_ISBLK(sb.st_mode))
flags &= ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME |
RPMVERIFY_LINKTO);
else
flags &= ~(RPMVERIFY_LINKTO);
/* Don't verify any features in omitMask */
flags &= ~omitMask;
if (flags & RPMVERIFY_MD5) {
headerGetEntry(h, RPMTAG_FILEMD5S, &type, (void **) &md5List, &count);
if (useBrokenMd5) {
rc = mdfileBroken(filespec, md5sum);
} else {
rc = mdfile(filespec, md5sum);
}
if (rc || strcmp(md5sum, md5List[filenum]))
*result |= RPMVERIFY_MD5;
free(md5List);
}
if (flags & RPMVERIFY_LINKTO) {
headerGetEntry(h, RPMTAG_FILELINKTOS, &type, (void **) &linktoList, &count);
size = readlink(filespec, linkto, sizeof(linkto));
if (size == -1)
*result |= RPMVERIFY_LINKTO;
else
linkto[size] = '\0';
if (strcmp(linkto, linktoList[filenum]))
*result |= RPMVERIFY_LINKTO;
free(linktoList);
}
if (flags & RPMVERIFY_FILESIZE) {
headerGetEntry(h, RPMTAG_FILESIZES, &type, (void **) &sizeList, &count);
if (sizeList[filenum] != sb.st_size)
*result |= RPMVERIFY_FILESIZE;
}
if (flags & RPMVERIFY_MODE) {
if (modeList[filenum] != sb.st_mode)
*result |= RPMVERIFY_MODE;
}
if (flags & RPMVERIFY_RDEV) {
if (S_ISCHR(modeList[filenum]) != S_ISCHR(sb.st_mode) ||
S_ISBLK(modeList[filenum]) != S_ISBLK(sb.st_mode)) {
*result |= RPMVERIFY_RDEV;
} else if (S_ISDEV(modeList[filenum]) && S_ISDEV(sb.st_mode)) {
headerGetEntry(h, RPMTAG_FILERDEVS, NULL, (void **) &rdevList,
NULL);
if (rdevList[filenum] != sb.st_rdev)
*result |= RPMVERIFY_RDEV;
}
}
if (flags & RPMVERIFY_MTIME) {
headerGetEntry(h, RPMTAG_FILEMTIMES, NULL, (void **) &mtimeList, NULL);
if (mtimeList[filenum] != sb.st_mtime)
*result |= RPMVERIFY_MTIME;
}
if (flags & RPMVERIFY_USER) {
if (headerGetEntry(h, RPMTAG_FILEUSERNAME, NULL, (void **) &unameList,
NULL)) {
name = uidToUname(sb.st_uid);
if (!name || strcmp(unameList[filenum], name))
*result |= RPMVERIFY_USER;
free(unameList);
} else if (headerGetEntry(h, RPMTAG_FILEUIDS, NULL, (void **) &uidList,
&count)) {
if (uidList[filenum] != sb.st_uid)
*result |= RPMVERIFY_GROUP;
} else {
rpmError(RPMERR_INTERNAL, "package lacks both user name and id "
"lists (this should never happen)");
*result |= RPMVERIFY_GROUP;
}
}
if (flags & RPMVERIFY_GROUP) {
if (headerGetEntry(h, RPMTAG_FILEGROUPNAME, NULL, (void **) &gnameList,
NULL)) {
rc = gnameToGid(gnameList[filenum],&gid);
if (rc || (gid != sb.st_gid))
*result |= RPMVERIFY_GROUP;
free(gnameList);
} else if (headerGetEntry(h, RPMTAG_FILEGIDS, NULL, (void **) &gidList,
&count)) {
if (gidList[filenum] != sb.st_gid)
*result |= RPMVERIFY_GROUP;
} else {
rpmError(RPMERR_INTERNAL, "package lacks both group name and id "
"lists (this should never happen)");
*result |= RPMVERIFY_GROUP;
}
}
return 0;
}
int rpmVerifyScript(char * root, Header h, int err) {
return runInstScript(root, h, RPMTAG_VERIFYSCRIPT, RPMTAG_VERIFYSCRIPTPROG,
0, 0, err);
}
|
