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Diffstat (limited to 'mactelnetd.c')
-rw-r--r--mactelnetd.c87
1 files changed, 48 insertions, 39 deletions
diff --git a/mactelnetd.c b/mactelnetd.c
index d3d462d..a2c0956 100644
--- a/mactelnetd.c
+++ b/mactelnetd.c
@@ -18,6 +18,8 @@
*/
#define _XOPEN_SOURCE 600
#define _BSD_SOURCE
+#include <libintl.h>
+#include <locale.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
@@ -63,6 +65,9 @@
/* Max ~5 pings per second */
#define MT_MAXPPS MT_MNDP_BROADCAST_INTERVAL * 5
+#define _(String) gettext (String)
+#define gettext_noop(String) String
+
static int sockfd;
static int insockfd;
static int mndpsockfd;
@@ -236,12 +241,12 @@ static void setup_sockets() {
memcpy(&(si_me.sin_addr.s_addr), interfaces[i].ipv4_addr, IPV4_ALEN);
if (bind(interfaces[i].socketfd, (struct sockaddr *)&si_me, sizeof(si_me))==-1) {
- fprintf(stderr, "Error binding to %s:%d, %s\n", inet_ntoa(si_me.sin_addr), sourceport, strerror(errno));
+ fprintf(stderr, _("Error binding to %s:%d, %s\n"), inet_ntoa(si_me.sin_addr), sourceport, strerror(errno));
continue;
}
}
- syslog(LOG_NOTICE, "Listening on %s for %s\n", interfaces[i].name, ether_ntoa(mac));
+ syslog(LOG_NOTICE, _("Listening on %s for %s\n"), interfaces[i].name, ether_ntoa(mac));
}
}
@@ -401,9 +406,9 @@ static void user_login(struct mt_connection *curconn, struct mt_mactelnet_hdr *p
}
if (user == NULL || memcmp(md5sum, curconn->trypassword, 17) != 0) {
- syslog(LOG_NOTICE, "(%d) Invalid login by %s.", curconn->seskey, curconn->username);
+ syslog(LOG_NOTICE, _("(%d) Invalid login by %s."), curconn->seskey, curconn->username);
- abort_connection(curconn, pkthdr, "Login failed, incorrect username or password\r\n");
+ abort_connection(curconn, pkthdr, _("Login failed, incorrect username or password\r\n"));
/* TODO: should wait some time (not with sleep) before returning, to minimalize brute force attacks */
return;
@@ -419,7 +424,7 @@ static void user_login(struct mt_connection *curconn, struct mt_mactelnet_hdr *p
curconn->ptsfd = posix_openpt(O_RDWR);
if (curconn->ptsfd == -1 || grantpt(curconn->ptsfd) == -1 || unlockpt(curconn->ptsfd) == -1) {
syslog(LOG_ERR, "posix_openpt: %s", strerror(errno));
- abort_connection(curconn, pkthdr, "Terminal error\r\n");
+ abort_connection(curconn, pkthdr, _("Terminal error\r\n"));
return;
}
@@ -430,8 +435,8 @@ static void user_login(struct mt_connection *curconn, struct mt_mactelnet_hdr *p
struct stat sb;
struct passwd *user = (struct passwd *)getpwnam(curconn->username);
if (user == NULL) {
- syslog(LOG_WARNING, "(%d) Login ok, but local user not accessible (%s).", curconn->seskey, curconn->username);
- abort_connection(curconn, pkthdr, "Local user not accessible\r\n");
+ syslog(LOG_WARNING, _("(%d) Login ok, but local user not accessible (%s)."), curconn->seskey, curconn->username);
+ abort_connection(curconn, pkthdr, _("Local user not accessible\r\n"));
return;
}
@@ -440,8 +445,8 @@ static void user_login(struct mt_connection *curconn, struct mt_mactelnet_hdr *p
curconn->slavefd = open(slavename, O_RDWR);
if (curconn->slavefd == -1) {
- syslog(LOG_ERR, "Error opening %s: %s", slavename, strerror(errno));
- abort_connection(curconn, pkthdr, "Error opening terminal\r\n");
+ syslog(LOG_ERR, _("Error opening %s: %s"), slavename, strerror(errno));
+ abort_connection(curconn, pkthdr, _("Error opening terminal\r\n"));
list_remove_connection(curconn);
return;
}
@@ -452,7 +457,7 @@ static void user_login(struct mt_connection *curconn, struct mt_mactelnet_hdr *p
/* Add login information to utmp/wtmp */
uwtmp_login(curconn);
- syslog(LOG_INFO, "(%d) User %s logged in.", curconn->seskey, curconn->username);
+ syslog(LOG_INFO, _("(%d) User %s logged in."), curconn->seskey, curconn->username);
/* Initialize terminal environment */
setenv("USER", user->pw_name, 1);
@@ -490,14 +495,14 @@ static void user_login(struct mt_connection *curconn, struct mt_mactelnet_hdr *p
/* Set user id/group id */
if ((setgid(user->pw_gid) != 0) || (setuid(user->pw_uid) != 0)) {
- syslog(LOG_ERR, "(%d) Could not log in %s (%d:%d): setuid/setgid: %s", curconn->seskey, curconn->username, user->pw_uid, user->pw_gid, strerror(errno));
- abort_connection(curconn, pkthdr, "Internal error\r\n");
+ syslog(LOG_ERR, _("(%d) Could not log in %s (%d:%d): setuid/setgid: %s"), curconn->seskey, curconn->username, user->pw_uid, user->pw_gid, strerror(errno));
+ abort_connection(curconn, pkthdr, _("Internal error\r\n"));
exit(0);
}
/* Abort login if /etc/nologin exists */
if (stat(_PATH_NOLOGIN, &sb) == 0 && getuid() != 0) {
- syslog(LOG_NOTICE, "(%d) User %s disconnected with " _PATH_NOLOGIN " message.", curconn->seskey, curconn->username);
+ syslog(LOG_NOTICE, _("(%d) User %s disconnected with " _PATH_NOLOGIN " message."), curconn->seskey, curconn->username);
display_nologin();
curconn->state = STATE_CLOSED;
init_packet(&pdata, MT_PTYPE_END, pkthdr->dstaddr, pkthdr->srcaddr, pkthdr->seskey, curconn->outcounter);
@@ -590,7 +595,7 @@ static void handle_data_packet(struct mt_connection *curconn, struct mt_mactelne
}
} else {
- syslog(LOG_WARNING, "(%d) Unhandeled control packet type: %d", curconn->seskey, cpkt.cptype);
+ syslog(LOG_WARNING, _("(%d) Unhandeled control packet type: %d"), curconn->seskey, cpkt.cptype);
}
/* Parse next control packet */
@@ -636,7 +641,7 @@ static void handle_packet(unsigned char *data, int data_len, const struct sockad
break;
case MT_PTYPE_SESSIONSTART:
- syslog(LOG_DEBUG, "(%d) New connection from %s.", pkthdr.seskey, ether_ntoa((struct ether_addr*)&(pkthdr.srcaddr)));
+ syslog(LOG_DEBUG, _("(%d) New connection from %s."), pkthdr.seskey, ether_ntoa((struct ether_addr*)&(pkthdr.srcaddr)));
curconn = calloc(1, sizeof(struct mt_connection));
curconn->seskey = pkthdr.seskey;
curconn->lastdata = time(NULL);
@@ -664,7 +669,7 @@ static void handle_packet(unsigned char *data, int data_len, const struct sockad
init_packet(&pdata, MT_PTYPE_END, pkthdr.dstaddr, pkthdr.srcaddr, pkthdr.seskey, pkthdr.counter);
send_udp(curconn, &pdata);
}
- syslog(LOG_DEBUG, "(%d) Connection closed.", curconn->seskey);
+ syslog(LOG_DEBUG, _("(%d) Connection closed."), curconn->seskey);
list_remove_connection(curconn);
return;
@@ -710,7 +715,7 @@ static void handle_packet(unsigned char *data, int data_len, const struct sockad
break;
default:
if (curconn) {
- syslog(LOG_WARNING, "(%d) Unhandeled packet type: %d", curconn->seskey, pkthdr.ptype);
+ syslog(LOG_WARNING, _("(%d) Unhandeled packet type: %d"), curconn->seskey, pkthdr.ptype);
init_packet(&pdata, MT_PTYPE_ACK, pkthdr.dstaddr, pkthdr.srcaddr, pkthdr.seskey, pkthdr.counter);
send_udp(curconn, &pdata);
}
@@ -802,14 +807,14 @@ void mndp_broadcast() {
void sigterm_handler() {
struct mt_connection *p;
struct mt_packet pdata;
- char message[] = "\r\n\r\nDaemon shutting down.\r\n";
+ char message[] = gettext_noop("\r\n\r\nDaemon shutting down.\r\n");
- syslog(LOG_NOTICE, "Daemon shutting down");
+ syslog(LOG_NOTICE, _("Daemon shutting down"));
for (p = connections_head; p != NULL; p = p->next) {
if (p->state == STATE_ACTIVE) {
init_packet(&pdata, MT_PTYPE_DATA, p->interface->mac_addr, p->srcmac, p->seskey, p->outcounter);
- add_control_packet(&pdata, MT_CPTYPE_PLAINDATA, message, strlen(message));
+ add_control_packet(&pdata, MT_CPTYPE_PLAINDATA, _(message), strlen(_(message)));
send_udp(p, &pdata);
init_packet(&pdata, MT_PTYPE_END, p->interface->mac_addr, p->srcmac, p->seskey, p->outcounter);
@@ -835,7 +840,7 @@ void sighup_handler() {
int i;
struct mt_connection *p;
- syslog(LOG_NOTICE, "SIGHUP: Reloading interfaces");
+ syslog(LOG_NOTICE, _("SIGHUP: Reloading interfaces"));
if (!use_raw_socket) {
for (i = 0; i < MAX_INTERFACES; ++i) {
@@ -846,7 +851,7 @@ void sighup_handler() {
bzero(interfaces, sizeof(interfaces));
if (net_get_interfaces(interfaces, MAX_INTERFACES) <= 0) {
- syslog(LOG_ERR, "No devices found! Exiting.\n");
+ syslog(LOG_ERR, _("No devices found! Exiting.\n"));
exit(1);
}
@@ -860,7 +865,7 @@ void sighup_handler() {
p->interface = interface;
} else {
struct mt_connection tmp;
- syslog(LOG_NOTICE, "(%d) Connection closed because interface %s is gone.", p->seskey, p->interface_name);
+ syslog(LOG_NOTICE, _("(%d) Connection closed because interface %s is gone."), p->seskey, p->interface_name);
tmp.next = p->next;
list_remove_connection(p);
p = &tmp;
@@ -884,6 +889,10 @@ int main (int argc, char **argv) {
int foreground = 0;
int interface_count = 0;
+ setlocale(LC_ALL, "");
+ bindtextdomain("mactelnet","/usr/share/locale");
+ textdomain("mactelnet");
+
while ((c = getopt(argc, argv, "fnvh?")) != -1) {
switch (c) {
case 'f':
@@ -909,20 +918,20 @@ int main (int argc, char **argv) {
if (print_help) {
print_version();
- fprintf(stderr, "Usage: %s [-f|-n|-h]\n", argv[0]);
+ fprintf(stderr, _("Usage: %s [-f|-n|-h]\n"), argv[0]);
if (print_help) {
- fprintf(stderr, "\nParameters:\n");
- fprintf(stderr, " -f Run process in foreground.\n");
- fprintf(stderr, " -n Do not use broadcast packets. Just a tad less insecure.\n");
- fprintf(stderr, " -h This help.\n");
- fprintf(stderr, "\n");
+ fprintf(stderr, _("\nParameters:\n"
+ " -f Run process in foreground.\n"
+ " -n Do not use broadcast packets. Just a tad less insecure.\n"
+ " -h This help.\n"
+ "\n"));
}
return 1;
}
if (geteuid() != 0) {
- fprintf(stderr, "You need to have root privileges to use %s.\n", argv[0]);
+ fprintf(stderr, _("You need to have root privileges to use %s.\n"), argv[0]);
return 1;
}
@@ -963,7 +972,7 @@ int main (int argc, char **argv) {
/* Bind to udp port */
if (bind(insockfd, (struct sockaddr *)&si_me, sizeof(si_me))==-1) {
- fprintf(stderr, "Error binding to %s:%d, %s\n", inet_ntoa(si_me.sin_addr), sourceport, strerror(errno));
+ fprintf(stderr, _("Error binding to %s:%d, %s\n"), inet_ntoa(si_me.sin_addr), sourceport, strerror(errno));
return 1;
}
@@ -985,11 +994,11 @@ int main (int argc, char **argv) {
/* Bind to udp port */
if (bind(mndpsockfd, (struct sockaddr *)&si_me_mndp, sizeof(si_me_mndp))==-1) {
- fprintf(stderr, "MNDP: Error binding to %s:%d, %s\n", inet_ntoa(si_me_mndp.sin_addr), MT_MNDP_PORT, strerror(errno));
+ fprintf(stderr, _("MNDP: Error binding to %s:%d, %s\n"), inet_ntoa(si_me_mndp.sin_addr), MT_MNDP_PORT, strerror(errno));
}
openlog("mactelnetd", LOG_PID, LOG_DAEMON);
- syslog(LOG_NOTICE, "Bound to %s:%d", inet_ntoa(si_me.sin_addr), sourceport);
+ syslog(LOG_NOTICE, _("Bound to %s:%d"), inet_ntoa(si_me.sin_addr), sourceport);
/* Enumerate available interfaces */
net_get_interfaces(interfaces, MAX_INTERFACES);
@@ -1015,7 +1024,7 @@ int main (int argc, char **argv) {
}
if (interface_count == 0) {
- syslog(LOG_ERR, "Unable to find any valid network interfaces\n");
+ syslog(LOG_ERR, _("Unable to find any valid network interfaces\n"));
exit(1);
}
@@ -1091,9 +1100,9 @@ int main (int argc, char **argv) {
init_packet(&pdata, MT_PTYPE_END, p->dstmac, p->srcmac, p->seskey, p->outcounter);
send_udp(p, &pdata);
if (p->username != NULL) {
- syslog(LOG_INFO, "(%d) Connection to user %s closed.", p->seskey, p->username);
+ syslog(LOG_INFO, _("(%d) Connection to user %s closed."), p->seskey, p->username);
} else {
- syslog(LOG_INFO, "(%d) Connection closed.", p->seskey);
+ syslog(LOG_INFO, _("(%d) Connection closed."), p->seskey);
}
tmp.next = p->next;
list_remove_connection(p);
@@ -1101,7 +1110,7 @@ int main (int argc, char **argv) {
}
}
else if (p->state == STATE_ACTIVE && p->ptsfd > 0 && p->wait_for_ack == 1 && FD_ISSET(p->ptsfd, &read_fds)) {
- printf("(%d) Waiting for ack\n", p->seskey);
+ printf(_("(%d) Waiting for ack\n"), p->seskey);
}
}
/* Handle select() timeout */
@@ -1117,9 +1126,9 @@ int main (int argc, char **argv) {
struct mt_connection *p,tmp;
for (p = connections_head; p != NULL; p = p->next) {
if (now - p->lastdata >= MT_CONNECTION_TIMEOUT) {
- syslog(LOG_INFO, "(%d) Session timed out", p->seskey);
+ syslog(LOG_INFO, _("(%d) Session timed out"), p->seskey);
init_packet(&pdata, MT_PTYPE_DATA, p->dstmac, p->srcmac, p->seskey, p->outcounter);
- add_control_packet(&pdata, MT_CPTYPE_PLAINDATA, "Timeout\r\n", 9);
+ add_control_packet(&pdata, MT_CPTYPE_PLAINDATA, _("Timeout\r\n"), 9);
send_udp(p, &pdata);
init_packet(&pdata, MT_PTYPE_END, p->dstmac, p->srcmac, p->seskey, p->outcounter);
send_udp(p, &pdata);
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-24 21:10:14 +0000