From 0dba959cedf1129579809c769929713e3ad93099 Mon Sep 17 00:00:00 2001 From: Mystery Man Date: Mon, 17 Feb 2003 13:58:09 +0000 Subject: This commit was manufactured by cvs2svn to create tag 'V9_1_0_34mdk'. --- mdk-stage1/ppp/contrib/pppgetpass/pppgetpass.vt.c | 218 ---------------------- 1 file changed, 218 deletions(-) delete mode 100644 mdk-stage1/ppp/contrib/pppgetpass/pppgetpass.vt.c (limited to 'mdk-stage1/ppp/contrib/pppgetpass/pppgetpass.vt.c') diff --git a/mdk-stage1/ppp/contrib/pppgetpass/pppgetpass.vt.c b/mdk-stage1/ppp/contrib/pppgetpass/pppgetpass.vt.c deleted file mode 100644 index a1520883c..000000000 --- a/mdk-stage1/ppp/contrib/pppgetpass/pppgetpass.vt.c +++ /dev/null @@ -1,218 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -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; -} -- cgit v1.2.1