+++ /dev/null
-#include <glib.h>
-#include <gdk/gdk.h>
-#include <gtk/gtkwindow.h>
-#include <gtk/gtkmain.h>
-#include <gtk/gtkbutton.h>
-#include <gtk/gtkvbox.h>
-#include <gtk/gtklabel.h>
-#include <gtk/gtkentry.h>
-#include <gtk/gtksignal.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-
-int outfd;
-int err;
-
-static void okpressed(void *widget, void *clientdata)
-{
- GtkWidget *answer=clientdata;
- gchar *pass;
- int passlen;
- ssize_t wrote;
- (void)widget;
-
- pass=gtk_entry_get_text(GTK_ENTRY(answer));
-
- passlen=strlen(pass);
- if(!passlen)
- return;
-
- if((wrote=write(outfd, pass, passlen))!=passlen) {
- if(wrote<0)
- syslog(LOG_ERR, "write error on outpipe: %m");
- else
- syslog(LOG_ERR, "short write on outpipe");
- err=1;
- }
- gtk_main_quit();
-}
-
-int main(int argc, char **argv)
-{
- GtkWidget *mainwindow, *vbox, *question, *answer, *ok;
- char buf[1024];
- gtk_init(&argc, &argv);
-
- openlog(argv[0], LOG_PID, LOG_DAEMON);
- if(argc!=4) {
- syslog(LOG_WARNING, "Usage error");
- return 1;
- }
- outfd=atoi(argv[3]);
- mainwindow=gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title(GTK_WINDOW(mainwindow), "pppgetpass");
- gtk_signal_connect(GTK_OBJECT(mainwindow), "destroy",
- GTK_SIGNAL_FUNC(gtk_main_quit), 0);
-
- vbox=gtk_vbox_new(FALSE, 5);
- gtk_container_add(GTK_CONTAINER(mainwindow), vbox);
- gtk_widget_show(vbox);
-
- if(argv[1][0] && argv[2][0])
- snprintf(buf, sizeof buf, "Password for PPP client %s on server %s: ", argv[1], argv[2]);
- else if(argv[1][0] && !argv[2][0])
- snprintf(buf, sizeof buf, "Password for PPP client %s: ", argv[1]);
- else if(!argv[1][0] && argv[2][0])
- snprintf(buf, sizeof buf, "Password for PPP on server %s: ", argv[2]);
- else
- snprintf(buf, sizeof buf, "Enter PPP password: ");
- question=gtk_label_new(buf);
- gtk_box_pack_start(GTK_BOX(vbox), question, FALSE, TRUE, 0);
- gtk_widget_show(question);
-
- answer=gtk_entry_new();
- gtk_entry_set_visibility(GTK_ENTRY(answer), 0);
- gtk_box_pack_start(GTK_BOX(vbox), answer, FALSE, TRUE, 0);
- gtk_widget_show(answer);
-
- ok=gtk_button_new_with_label("OK");
- gtk_box_pack_start(GTK_BOX(vbox), ok, FALSE, TRUE, 0);
- gtk_signal_connect(GTK_OBJECT(ok), "clicked",
- GTK_SIGNAL_FUNC(okpressed), answer);
- gtk_widget_show(ok);
-
- gtk_widget_show(mainwindow);
- gtk_main();
-
- return err;
-}
+++ /dev/null
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <syslog.h>
-#include <termios.h>
-#include <sys/vt.h>
-
-static int console_owner(uid_t, int);
-
-int main(int argc, char **argv)
-{
- int console;
- uid_t uid;
- struct vt_stat origstate;
- int openvtnum;
- char openvtname[256];
- int openvt;
- gid_t gid;
- int chowned;
- FILE *fp;
- struct termios t;
- char pass[256], *nl;
- int outfd, passlen;
- ssize_t wrote;
- console=open("/dev/console", O_RDWR);
-
- uid=getuid();
- gid=getgid();
- seteuid(uid);
-
- openlog(argv[0], LOG_PID, LOG_DAEMON);
-
- if(argc!=4) {
- syslog(LOG_WARNING, "Usage error");
- return 1;
- }
-
- if(console<0) {
- syslog(LOG_ERR, "open(/dev/console): %m");
- return 1;
- }
-
- if(ioctl(console, VT_GETSTATE, &origstate)<0) {
- syslog(LOG_ERR, "VT_GETSTATE: %m");
- return 1;
- }
-
- if(uid) {
- if(!console_owner(uid, origstate.v_active)) {
- int i;
- for(i=0;i<64;++i) {
- if(i!=origstate.v_active && console_owner(uid, i))
- break;
- }
- if(i==64) {
- syslog(LOG_WARNING, "run by uid %lu not at console", (unsigned long)uid);
- return 1;
- }
- }
- }
-
- if(ioctl(console, VT_OPENQRY, &openvtnum)<0) {
- syslog(LOG_ERR, "VT_OPENQRY: %m");
- return 1;
- }
- if(openvtnum==-1) {
- syslog(LOG_ERR, "No free VTs");
- return 1;
- }
-
- snprintf(openvtname, sizeof openvtname, "/dev/tty%d", openvtnum);
- seteuid(0);
- openvt=open(openvtname, O_RDWR);
- if(openvt<0) {
- seteuid(uid);
- syslog(LOG_ERR, "open(%s): %m", openvtname);
- return 1;
- }
-
- chowned=fchown(openvt, uid, gid);
- if(chowned<0) {
- seteuid(uid);
- syslog(LOG_ERR, "fchown(%s): %m", openvtname);
- return 1;
- }
-
- close(console);
-
- if(ioctl(openvt, VT_ACTIVATE, openvtnum)<0) {
- seteuid(uid);
- syslog(LOG_ERR, "VT_ACTIVATE(%d): %m", openvtnum);
- return 1;
- }
-
- while(ioctl(openvt, VT_WAITACTIVE, openvtnum)<0) {
- if(errno!=EINTR) {
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "VT_WAITACTIVE(%d): %m", openvtnum);
- return 1;
- }
- }
-
- seteuid(uid);
- fp=fdopen(openvt, "r+");
- if(!fp) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "fdopen(%s): %m", openvtname);
- return 1;
- }
-
- if(tcgetattr(openvt, &t)<0) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "tcgetattr(%s): %m", openvtname);
- return 1;
- }
- t.c_lflag &= ~ECHO;
- if(tcsetattr(openvt, TCSANOW, &t)<0) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "tcsetattr(%s): %m", openvtname);
- return 1;
- }
-
- if(fprintf(fp, "\033[2J\033[H")<0) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "write error on %s: %m", openvtname);
- return 1;
- }
- if(argv[1][0] && argv[2][0]) {
- if(fprintf(fp, "Password for PPP client %s on server %s: ", argv[1], argv[2])<0) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "write error on %s: %m", openvtname);
- return 1;
- }
- } else if(argv[1][0] && !argv[2][0]) {
- if(fprintf(fp, "Password for PPP client %s: ", argv[1])<0) {
- syslog(LOG_ERR, "write error on %s: %m", openvtname);
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- return 1;
- }
- } else if(!argv[1][0] && argv[2][0]) {
- if(fprintf(fp, "Password for PPP on server %s: ", argv[2])<0) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "write error on %s: %m", openvtname);
- return 1;
- }
- } else {
- if(fprintf(fp, "Enter PPP password: ")<0) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- syslog(LOG_ERR, "write error on %s: %m", openvtname);
- return 1;
- }
- }
-
- if(!fgets(pass, sizeof pass, fp)) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- if(ferror(fp)) {
- syslog(LOG_ERR, "read error on %s: %m", openvtname);
- }
- return 1;
- }
- if((nl=strchr(pass, '\n')))
- *nl=0;
- passlen=strlen(pass);
-
- outfd=atoi(argv[3]);
- if((wrote=write(outfd, pass, passlen))!=passlen) {
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- if(wrote<0)
- syslog(LOG_ERR, "write error on outpipe: %m");
- else
- syslog(LOG_ERR, "short write on outpipe");
- return 1;
- }
-
- seteuid(0);
- ioctl(openvt, VT_ACTIVATE, origstate.v_active);
- seteuid(uid);
- return 0;
-}
-
-static int console_owner(uid_t uid, int cons)
-{
- char name[256];
- struct stat st;
- snprintf(name, sizeof name, "/dev/tty%d", cons);
- if(stat(name, &st)<0) {
- if(errno!=ENOENT)
- syslog(LOG_ERR, "stat(%s): %m", name);
- return 0;
- }
- return uid==st.st_uid;
-}
projects / ppp.git / commitdiff