diff options
Diffstat (limited to 'mactelnet.c')
| -rw-r--r-- | mactelnet.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/mactelnet.c b/mactelnet.c index 580d5ae..7710cc1 100644 --- a/mactelnet.c +++ b/mactelnet.c @@ -37,6 +37,7 @@ #include <string.h> #ifdef __LINUX__ #include <linux/if_ether.h> +#include <sys/mman.h> #endif #include "md5.h" #include "protocol.h" @@ -197,6 +198,11 @@ static void send_auth(char *username, char *password) { int plen; md5_state_t state; +#if defined(__LINUX__) && defined(_POSIX_MEMLOCK_RANGE) + mlock(md5data, sizeof(md5data)); + mlock(md5sum, sizeof(md5data)); +#endif + /* Concat string of 0 + password + encryptionkey */ md5data[0] = 0; strncpy(md5data + 1, password, 82); @@ -460,6 +466,9 @@ int main (int argc, char **argv) { case 'p': /* Save password */ +#if defined(__LINUX__) && defined(_POSIX_MEMLOCK_RANGE) + mlock(password, sizeof(password)); +#endif strncpy(password, optarg, sizeof(password) - 1); password[sizeof(password) - 1] = '\0'; have_password = 1; @@ -586,11 +595,14 @@ int main (int argc, char **argv) { if (!have_password) { char *tmp; tmp = getpass(quiet_mode ? "" : _("Password: ")); +#if defined(__LINUX__) && defined(_POSIX_MEMLOCK_RANGE) + mlock(password, sizeof(password)); +#endif strncpy(password, tmp, sizeof(password) - 1); password[sizeof(password) - 1] = '\0'; /* security */ memset(tmp, 0, strlen(tmp)); -#ifdef __GNUC__ +#ifdef __LINUX__ free(tmp); #endif } |