dh/ima-evm-utils
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remove directory entry list sorting

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Directory entries list sorting is not needed.
Entries are read always in the same order.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
This commit is contained in:
Dmitry Kasatkin 2012-09-06 13:36:41 +03:00
parent c171931236
commit c8b4f34fd4
1 changed files with 11 additions and 37 deletions
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48
src/evmctl.c
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@ -546,18 +546,13 @@ static int add_file_hash(const char *file, EVP_MD_CTX *ctx)
return 0;
}
struct dirent_list {
struct dirent_list *next;
struct dirent de;
};
static int add_dir_hash(const char *file, EVP_MD_CTX *ctx)
{
int err;
struct dirent *de;
DIR *dir;
struct dirent_list *head = NULL, *pos, *prev, *cur;
uint64_t ino;
unsigned long long ino, off;
unsigned int type;
dir = opendir(file);
if (!dir) {
@ -566,40 +561,19 @@ static int add_dir_hash(const char *file, EVP_MD_CTX *ctx)
}
while ((de = readdir(dir))) {
/*log_debug("entry: ino: %lu, %s\n", de->d_ino, de->d_name);*/
for (prev = NULL, pos = head; pos; prev = pos, pos = pos->next) {
if (de->d_ino < pos->de.d_ino)
break;
}
cur = malloc(sizeof(*cur));
cur->de = *de;
cur->next = pos;
if (!head || !prev)
head = cur;
else
prev->next = cur;
}
for (cur = head; cur; cur = pos) {
pos = cur->next;
ino = cur->de.d_ino;
log_debug("entry: ino: %llu, %s\n", (unsigned long long)ino, cur->de.d_name);
err = EVP_DigestUpdate(ctx, cur->de.d_name, strlen(cur->de.d_name));
ino = de->d_ino;
off = de->d_off;
type = de->d_type;
log_debug("entry: %s, ino: %llu, type: %u, off: %llu, reclen: %hu\n",
de->d_name, ino, type, off, de->d_reclen);
err = EVP_DigestUpdate(ctx, de->d_name, strlen(de->d_name));
/*err |= EVP_DigestUpdate(ctx, &off, sizeof(off));*/
err |= EVP_DigestUpdate(ctx, &ino, sizeof(ino));
err |= EVP_DigestUpdate(ctx, &type, sizeof(type));
if (!err) {
log_err("EVP_DigestUpdate() failed\n");
return 1;
}
err = EVP_DigestUpdate(ctx, &ino, sizeof(ino));
if (!err) {
log_err("EVP_DigestUpdate() failed\n");
return 1;
}
err = EVP_DigestUpdate(ctx, &cur->de.d_type, sizeof(cur->de.d_type));
if (!err) {
log_err("EVP_DigestUpdate() failed\n");
return 1;
}
free(cur);
}
closedir(dir);