X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/a68924a6e07d69bc4b8d6106b3af0ac5a7490905..31cef89cb428866f787983e68246030321893df4:/usr/src/cmd/atrun.c

diff --git a/usr/src/cmd/atrun.c b/usr/src/cmd/atrun.c
index e997fad983..7e8c225a6c 100644
--- a/usr/src/cmd/atrun.c
+++ b/usr/src/cmd/atrun.c
@@ -1,3 +1,4 @@
+static char *sccsid = "@(#)atrun.c	4.2 (Berkeley) 10/21/80";
 /*
  * Run programs submitted by at.
  */
@@ -20,8 +21,8 @@ char **argv;
 {
 	int tt, day, year, uniq;
 	struct direct dirent;
-	char file[DIRSIZ+1];
 	FILE *dirf;
+	char file[DIRSIZ+1];
 
 	chdir(DIR);
 	makenowtime();
@@ -32,7 +33,7 @@ char **argv;
 	while (fread((char *)&dirent, sizeof(dirent), 1, dirf) == 1) {
 		if (dirent.d_ino==0)
 			continue;
-		strncpy(file, dirent.d_name, DIRSIZ);
+		strcpyn(file, dirent.d_name, DIRSIZ);
 		file[DIRSIZ] = '\0';
 		if (sscanf(file, "%2d.%3d.%4d.%2d", &year, &day, &tt, &uniq) != 4)
 			continue;
@@ -81,18 +82,18 @@ char *file;
 	register pid, i;
 	char sbuf[64];
 
+	/* printf("running %s\n", file); */
 	if (fork()!=0)
 		return;
 	for (i=0; i<15; i++)
 		close(i);
 	dup(dup(open("/dev/null", 0)));
-	sprintf(sbuf, "/bin/mv %.14s %s", file, PDIR);
-	system(sbuf);
+	sprintf(sbuf, "%s/%s", PDIR, file);
+	link(file, sbuf);
+	unlink(file);
 	chdir(PDIR);
 	if (stat(file, &stbuf) == -1)
 		exit(1);
-	setgid(stbuf.st_gid);
-	setuid(stbuf.st_uid);
 	if (pid = fork()) {
 		if (pid == -1)
 			exit(1);
@@ -100,7 +101,8 @@ char *file;
 		unlink(file);
 		exit(0);
 	}
-	nice(3);
+	setgid(stbuf.st_gid);
+	setuid(stbuf.st_uid);
 	execl("/bin/sh", "sh", file, 0);
 	execl("/usr/bin/sh", "sh", file, 0);
 	fprintf(stderr, "Can't execl shell\n");