#endif
#ifndef HAVE_ADD_KEY
-key_serial_t add_key(const char *type, const char *description,
- const void *payload, size_t plen,
- key_serial_t keyring)
+static key_serial_t add_key(const char *type, const char *description,
+ const void *payload, size_t plen,
+ key_serial_t keyring)
{
return syscall(__NR_add_key, type, description, payload,
plen, keyring);
}
#endif
-static const char *hexchars = "0123456789abcdef";
+static const unsigned char *hexchars = (const unsigned char *) "0123456789abcdef";
static const size_t hexchars_size = 16;
#define SHA512_LENGTH 64
exit(1);
}
-static int hex2byte(const char *hex, size_t hex_size, char *bytes,
+static int hex2byte(const char *hex, size_t hex_size, unsigned char *bytes,
size_t bytes_size)
{
- int x;
- char *h, *l;
+ size_t x;
+ unsigned char *h, *l;
if (hex_size % 2)
return -EINVAL;
struct salt *salt_list;
unsigned num_salt;
unsigned max_salt;
-char passphrase[EXT4_MAX_PASSPHRASE_SIZE];
+char in_passphrase[EXT4_MAX_PASSPHRASE_SIZE];
static struct salt *find_by_salt(unsigned char *salt, size_t salt_len)
{
- int i;
+ unsigned int i;
struct salt *p;
for (i = 0, p = salt_list; i < num_salt; i++, p++)
free(salt_list);
salt_list = NULL;
}
- memset(passphrase, 0, sizeof(passphrase));
+ memset(in_passphrase, 0, sizeof(in_passphrase));
}
-static void die_signal_handler(int signum, siginfo_t *siginfo,
- void *context)
+static void die_signal_handler(int signum EXT2FS_ATTR((unused)),
+ siginfo_t *siginfo EXT2FS_ATTR((unused)),
+ void *context EXT2FS_ATTR((unused)))
{
clear_secrets();
exit(-1);
}
-void sigcatcher_setup(void)
+static void sigcatcher_setup(void)
{
struct sigaction sa;
static void parse_salt(char *salt_str, int flags)
{
unsigned char buf[EXT4_MAX_SALT_SIZE];
- unsigned char *salt_buf, *cp = salt_str;
- char tmp[80];
- int i, fd, ret, salt_len = 0;
+ char *cp = salt_str;
+ unsigned char *salt_buf;
+ int fd, ret, salt_len = 0;
if (flags & PARSE_FLAGS_FORCE_FN)
goto salt_from_filename;
salt_len = strlen(cp);
if (salt_len >= EXT4_MAX_SALT_SIZE)
goto invalid_salt;
- strncpy(buf, cp, sizeof(buf));
+ strncpy((char *) buf, cp, sizeof(buf));
} else if (cp[0] == '/') {
salt_from_filename:
fd = open(cp, O_RDONLY | O_DIRECTORY);
cp += 2;
goto salt_from_filename;
} else if (strncmp(cp, "0x", 2) == 0) {
- char *h, *l;
+ unsigned char *h, *l;
cp += 2;
if (strlen(cp) & 1)
}
}
-static void pbkdf2_sha512(const char *passphrase, struct salt *salt, int count,
- char derived_key[EXT4_MAX_KEY_SIZE])
+static void pbkdf2_sha512(const char *passphrase, struct salt *salt,
+ unsigned int count,
+ unsigned char derived_key[EXT4_MAX_KEY_SIZE])
{
size_t passphrase_size = strlen(passphrase);
- char buf[SHA512_LENGTH + EXT4_MAX_PASSPHRASE_SIZE] = {0};
- char tempbuf[SHA512_LENGTH] = {0};
+ unsigned char buf[SHA512_LENGTH + EXT4_MAX_PASSPHRASE_SIZE] = {0};
+ unsigned char tempbuf[SHA512_LENGTH] = {0};
char final[SHA512_LENGTH] = {0};
- char saltbuf[EXT4_MAX_SALT_SIZE + EXT4_MAX_PASSPHRASE_SIZE] = {0};
+ unsigned char saltbuf[EXT4_MAX_SALT_SIZE + EXT4_MAX_PASSPHRASE_SIZE] = {0};
int actual_buf_len = SHA512_LENGTH + passphrase_size;
int actual_saltbuf_len = EXT4_MAX_SALT_SIZE + passphrase_size;
- int x, y;
+ unsigned int x, y;
__u32 *final_u32 = (__u32 *)final;
__u32 *temp_u32 = (__u32 *)tempbuf;
if (passphrase_size > EXT4_MAX_PASSPHRASE_SIZE) {
- printf("Passphrase size is %d; max is %d.\n", passphrase_size,
+ printf("Passphrase size is %zd; max is %d.\n", passphrase_size,
EXT4_MAX_PASSPHRASE_SIZE);
exit(1);
}
if (salt->salt_len > EXT4_MAX_SALT_SIZE) {
- printf("Salt size is %d; max is %d.\n", salt->salt_len,
+ printf("Salt size is %zd; max is %d.\n", salt->salt_len,
EXT4_MAX_SALT_SIZE);
exit(1);
}
return rc;
}
-void get_passphrase(char *passphrase, int len)
+static void get_passphrase(char *passphrase, int len)
{
char *p;
struct termios current_settings;
static int get_keyring_id(const char *keyring)
{
- int x;
+ unsigned int x;
char *end;
/*
return keyrings[x].code;
}
}
- x = strtol(keyring, &end, 10);
+ x = strtoul(keyring, &end, 10);
if (*end == '\0') {
if (keyctl(KEYCTL_DESCRIBE, x, NULL, 0) < 0)
return 0;
static void generate_key_ref_str(struct salt *salt)
{
- char key_ref1[SHA512_LENGTH];
- char key_ref2[SHA512_LENGTH];
+ unsigned char key_ref1[SHA512_LENGTH];
+ unsigned char key_ref2[SHA512_LENGTH];
int x;
ext2fs_sha512(salt->key, EXT4_MAX_KEY_SIZE, key_ref1);
}
}
-static int is_keyring_valid(const char *keyring)
-{
- return (get_keyring_id(keyring) != 0);
-}
-
-void get_default_salts(void)
+static void get_default_salts(void)
{
FILE *f = setmntent("/etc/mtab", "r");
struct mntent *mnt;
#define CMD_HIDDEN 0x0001
-void do_help(int argc, char **argv, const struct cmd_desc *cmd);
+static void do_help(int argc, char **argv, const struct cmd_desc *cmd);
#define add_key_desc "adds a key to the user's keyring"
#define add_key_help \
"set the policy of those directories to use the key just entered by\n" \
"the user.\n"
-void do_add_key(int argc, char **argv, const struct cmd_desc *cmd)
+static void do_add_key(int argc, char **argv, const struct cmd_desc *cmd)
{
struct salt *salt;
char *keyring = NULL;
int i, opt, pad = 4;
+ unsigned j;
while ((opt = getopt(argc, argv, "k:S:p:vq")) != -1) {
switch (opt) {
for (i = optind; i < argc; i++)
parse_salt(argv[i], PARSE_FLAGS_FORCE_FN);
printf("Enter passphrase (echo disabled): ");
- get_passphrase(passphrase, sizeof(passphrase));
- for (i = 0, salt = salt_list; i < num_salt; i++, salt++) {
- pbkdf2_sha512(passphrase, salt,
+ get_passphrase(in_passphrase, sizeof(in_passphrase));
+ for (j = 0, salt = salt_list; j < num_salt; j++, salt++) {
+ pbkdf2_sha512(in_passphrase, salt,
EXT4_PBKDF2_ITERATIONS, salt->key);
generate_key_ref_str(salt);
insert_key_into_keyring(keyring, salt);
"policy matches what was specified. A policy is an encryption key\n" \
"identifier consisting of 16 hexadecimal characters.\n"
-void do_set_policy(int argc, char **argv, const struct cmd_desc *cmd)
+static void do_set_policy(int argc, char **argv, const struct cmd_desc *cmd)
{
- struct salt *salt, saltbuf;
- char *key_ref_str = NULL;
- char *keyring = NULL;
- int add_passphrase = 0;
- int i, c, opt, pad = 4;
+ struct salt saltbuf;
+ int c, pad = 4;
while ((c = getopt (argc, argv, "p:")) != EOF) {
switch (c) {
"e4crypt get_policy path ... \n\n" \
"Gets the policy for the directories specified on the command line.\n"
-void do_get_policy(int argc, char **argv, const struct cmd_desc *cmd)
+static void do_get_policy(int argc, char **argv, const struct cmd_desc *cmd)
{
struct ext4_encryption_policy policy;
struct stat st;
"Give the invoking process (typically a shell) a new session keyring,\n" \
"discarding its old session keyring.\n"
-void do_new_session(int argc, char **argv, const struct cmd_desc *cmd)
+static void do_new_session(int argc, char **argv EXT2FS_ATTR((unused)),
+ const struct cmd_desc *cmd)
{
long keyid, ret;
CMD(get_policy),
CMD(new_session),
CMD(set_policy),
- { NULL, NULL, NULL, NULL }
+ { NULL, NULL, NULL, NULL, 0 }
};
-void do_help(int argc, char **argv, const struct cmd_desc *cmd)
+static void do_help(int argc, char **argv,
+ const struct cmd_desc *cmd EXT2FS_ATTR((unused)))
{
const struct cmd_desc *p;
if (argc < 2)
do_help(argc, argv, cmd_list);
+ sigcatcher_setup();
for (cmd = cmd_list; cmd->cmd_name; cmd++) {
if (strcmp(cmd->cmd_name, argv[1]) == 0) {
cmd->cmd_func(argc-1, argv+1, cmd);
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff