-/*
- *
- */
+//
+// Copyright (c) 1987-2021 by the citadel.org team
+//
+// This program is open source software. Use, duplication, or disclosure
+// is subject to the terms of the GNU General Public License, version 3.
+// The program is distributed without any warranty, expressed or implied.
#include <errno.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/wait.h>
+#include <sys/stat.h>
+#include <unistd.h>
#include <string.h>
#include <limits.h>
+#include <dirent.h>
+
+#include "citadel.h"
+#include "sysdep.h"
+#include "citadel_dirs.h"
/* These pipes are used to talk to the chkpwd daemon, which is forked during startup */
int chkpwd_write_pipe[2];
int chkpwd_read_pipe[2];
static int validpw(uid_t uid, const char *pass)
{
char buf[256];
+ int rv;
- write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
- write(chkpwd_write_pipe[1], pass, 256);
- read(chkpwd_read_pipe[0], buf, 4);
+ rv = write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
+ if (rv == -1) {
+ printf( "Communicatino with chkpwd broken: %s\n", strerror(errno));
+ return 0;
+ }
+ rv = write(chkpwd_write_pipe[1], pass, 256);
+ if (rv == -1) {
+ printf( "Communicatino with chkpwd broken: %s\n", strerror(errno));
+ return 0;
+ }
+ rv = read(chkpwd_read_pipe[0], buf, 4);
+ if (rv == -1) {
+ printf( "Communicatino with chkpwd broken: %s\n", strerror(errno));
+ return 0;
+ }
if (!strncmp(buf, "PASS", 4)) {
printf("pass\n");
return(1);
*/
void start_chkpwd_daemon(void) {
pid_t chkpwd_pid;
+ struct stat filestats;
int i;
printf("Starting chkpwd daemon for host authentication mode\n");
+ if ((stat(file_chkpwd, &filestats)==-1) ||
+ (filestats.st_size==0)){
+ printf("didn't find chkpwd daemon in %s: %s\n", file_chkpwd, strerror(errno));
+ abort();
+ }
if (pipe(chkpwd_write_pipe) != 0) {
printf("Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
abort();
dup2(chkpwd_write_pipe[0], 0);
dup2(chkpwd_read_pipe[1], 1);
for (i=2; i<256; ++i) close(i);
- execl("./chkpwd", "chkpwd", NULL);
+ execl(file_chkpwd, file_chkpwd, NULL);
printf("Unable to exec chkpwd daemon: %s\n", strerror(errno));
abort();
exit(errno);
char buf[256];
struct passwd *p;
int uid;
+ char ctdldir[PATH_MAX]=CTDLDIR;
printf("\n\n ** host auth mode test utility **\n\n");
start_chkpwd_daemon();
+ if (getuid() != 0){
+ printf("\n\nERROR: you need to be root to run this!\n\n");
+ return(1);
+ }
while(1) {
printf("\n\nUsername: ");
- gets(buf);
+ fgets(buf, sizeof buf, stdin);
+ buf[strlen(buf)-1] = 0;
p = getpwnam(buf);
if (p == NULL) {
printf("Not found\n");
uid = p->pw_uid;
printf(" uid: %d\n", uid);
printf("Password: ");
- gets(buf);
+ fgets(buf, sizeof buf, stdin);
+ buf[strlen(buf)-1] = 0;
validpw(uid, buf);
}
}