projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e804469b C |
1 | static char sccsid[] = "@(#)shio.c 4.1 (Berkeley) 9/11/82"; |
| 2 | ||
| fea9ca7b C |
3 | #include "uucp.h" |
| 4 | ||
| 5 | ||
| 6 | /******* | |
| 7 | * shio(cmd, fi, fo, user) execute shell of command with | |
| 8 | * char *cmd, *fi, *fo; fi and fo as standard input/output | |
| 9 | * char *user; user name | |
| 10 | * | |
| 11 | * return codes: | |
| 12 | * 0 - ok | |
| 13 | * non zero - failed - status from child | |
| 14 | */ | |
| 15 | ||
| 16 | shio(cmd, fi, fo, user) | |
| 17 | char *cmd, *fi, *fo, *user; | |
| 18 | { | |
| 19 | int status, f; | |
| 20 | int uid, pid, ret; | |
| 21 | char path[MAXFULLNAME]; | |
| 22 | ||
| 23 | if (fi == NULL) | |
| 24 | fi = "/dev/null"; | |
| 25 | if (fo == NULL) | |
| 26 | fo = "/dev/null"; | |
| 27 | ||
| 28 | DEBUG(3, "shio - %s\n", cmd); | |
| 29 | if ((pid = fork()) == 0) { | |
| 30 | close(Ifn); | |
| 31 | close(Ofn); | |
| 32 | close(0); | |
| 33 | f = open(fi, 0); | |
| 34 | ASSERT(f == 0, "BAD OPEN fileno %d", f); | |
| 35 | close(1); | |
| 36 | f = creat(fo, 0666); | |
| 37 | ASSERT(f == 1, "BAD OPEN fileno %d", f); | |
| 38 | if (gninfo(user, &uid, path) == 0) | |
| 39 | setuid(uid); | |
| 40 | execl(SHELL, "sh", "-c", cmd, 0); | |
| 41 | exit(100); | |
| 42 | } | |
| 43 | while ((ret = wait(&status)) != pid && ret != -1); | |
| 44 | DEBUG(3, "status %d\n", status); | |
| 45 | return(status); | |
| 46 | } |