rpm/lib/verify.c

76 lines
2.1 KiB
C

#include <alloca.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "md5.h"
#include "rpmlib.h"
int rpmVerifyFile(char * prefix, Header h, int filenum, int * result) {
char ** fileList, ** md5List, ** linktoList;
int_32 * verifyFlags, flags;
int_32 * sizeList, * mtimeList;
int_16 * modeList, * rdevList;
char * filespec;
int type, count;
struct stat sb;
unsigned char md5sum[40];
getEntry(h, RPMTAG_FILENAMES, &type, (void **) &fileList, &count);
getEntry(h, RPMTAG_FILEMODES, &type, (void **) &modeList, &count);
if (getEntry(h, RPMTAG_FILEVERIFYFLAGS, &type, (void **) &verifyFlags,
&count)) {
flags = verifyFlags[filenum];
} else {
flags = VERIFY_ALL;
}
filespec = alloca(strlen(fileList[filenum]) + strlen(prefix) + 5);
strcpy(filespec, prefix);
strcat(filespec, "/");
strcat(filespec, fileList[filenum]);
free(fileList);
if (lstat(filespec, &sb))
return 1;
*result = 0;
if (!S_ISDIR(modeList[filenum]) && (flags & VERIFY_MD5)) {
getEntry(h, RPMTAG_FILEMD5S, &type, (void **) &md5List, &count);
if (mdfile(filespec, md5sum))
*result |= VERIFY_MD5;
else if (strcmp(md5sum, md5List[filenum]))
*result |= VERIFY_MD5;
free(md5List);
}
if (flags & VERIFY_LINKTO) {
getEntry(h, RPMTAG_FILELINKTOS, &type, (void **) &linktoList, &count);
free(linktoList);
}
if (!S_ISDIR(modeList[filenum]) && (flags & VERIFY_FILESIZE)) {
getEntry(h, RPMTAG_FILESIZES, &type, (void **) &sizeList, &count);
if (sizeList[filenum] != sb.st_size)
*result |= VERIFY_FILESIZE;
}
if (flags & VERIFY_MODE) {
if (sizeList[filenum] != sb.st_size)
*result |= VERIFY_MODE;
}
if (flags & VERIFY_RDEV) {
getEntry(h, RPMTAG_FILERDEVS, &type, (void **) &rdevList, &count);
if (rdevList[filenum] != sb.st_rdev)
*result |= VERIFY_RDEV;
}
if (!S_ISDIR(modeList[filenum]) && (flags & VERIFY_MTIME)) {
getEntry(h, RPMTAG_FILEMTIMES, &type, (void **) &mtimeList, &count);
if (mtimeList[filenum] != sb.st_mtime)
*result |= VERIFY_MTIME;
}
return 0;
}