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Commit | Line | Data |
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de56407f | 1 | /* |
2 | * $Source$ | |
3 | * $Header$ | |
4 | */ | |
546bc43b | 5 | /* (c) Copyright 1988 by the Massachusetts Institute of Technology. */ |
6 | /* For copying and distribution information, please see the file */ | |
7 | /* <mit-copyright.h>. */ | |
de56407f | 8 | |
9 | #ifndef lint | |
10 | static char *rcsid_exec_002_c = "$Header$"; | |
11 | #endif lint | |
12 | ||
546bc43b | 13 | #include <mit-copyright.h> |
de56407f | 14 | #include <stdio.h> |
8b3ba58e | 15 | #include <errno.h> |
c57b6bd3 | 16 | #include <sys/types.h> |
de56407f | 17 | #include <sys/wait.h> |
6143ee87 | 18 | #include <signal.h> |
c8dc853f | 19 | #include <gdb.h> |
2ad0a777 | 20 | #include <moira.h> |
de56407f | 21 | #include "update.h" |
de56407f | 22 | |
23 | extern CONNECTION conn; | |
8b3ba58e | 24 | extern int code, errno, uid; |
25 | extern char *whoami; | |
26 | ||
984bd8ef | 27 | #if defined(vax) || defined(ibm032) |
28 | #define WEXITSTATUS(waitb) ((waitb).w_retcode) | |
29 | #endif | |
30 | ||
de56407f | 31 | |
32 | int | |
33 | exec_002(str) | |
34 | char *str; | |
35 | { | |
984bd8ef | 36 | #ifdef _AIX |
37 | int waitb; | |
38 | #else | |
de56407f | 39 | union wait waitb; |
984bd8ef | 40 | #endif |
6143ee87 | 41 | int n, pid, mask; |
de56407f | 42 | |
8b3ba58e | 43 | if (config_lookup("noexec")) { |
44 | code = EPERM; | |
45 | code = send_object(conn, (char *)&code, INTEGER_T); | |
46 | com_err(whoami, code, "Not allowed to execute"); | |
984bd8ef | 47 | return(0); |
8b3ba58e | 48 | } |
de56407f | 49 | str += 8; |
50 | while (*str == ' ') | |
51 | str++; | |
6143ee87 | 52 | mask = sigblock(sigmask(SIGCHLD)); |
de56407f | 53 | pid = fork(); |
54 | switch (pid) { | |
55 | case -1: | |
56 | n = errno; | |
6143ee87 | 57 | sigsetmask(mask); |
de56407f | 58 | log_priority = log_ERROR; |
59 | com_err(whoami, errno, ": can't fork to run install script"); | |
60 | code = send_object(conn, (char *)&n, INTEGER_T); | |
61 | if (code) | |
62 | exit(1); | |
984bd8ef | 63 | return(0); |
de56407f | 64 | case 0: |
8b3ba58e | 65 | if (setuid(uid) < 0) { |
66 | com_err(whoami, errno, "Unable to setuid to %d\n", uid); | |
67 | exit(1); | |
68 | } | |
e19df9fb | 69 | sigsetmask(mask); |
de56407f | 70 | execlp(str, str, (char *)NULL); |
71 | n = errno; | |
6143ee87 | 72 | sigsetmask(mask); |
de56407f | 73 | log_priority = log_ERROR; |
74 | com_err(whoami, n, ": %s", str); | |
75 | (void) send_object(conn, (char *)&n, INTEGER_T); | |
76 | exit(1); | |
77 | default: | |
78 | do { | |
79 | n = wait(&waitb); | |
80 | } while (n != -1 && n != pid); | |
6143ee87 | 81 | sigsetmask(mask); |
984bd8ef | 82 | if (WEXITSTATUS(waitb)) { |
83 | n = WEXITSTATUS(waitb) + ERROR_TABLE_BASE_sms; | |
de56407f | 84 | log_priority = log_ERROR; |
984bd8ef | 85 | com_err(whoami, n, " child exited with status %d", |
86 | WEXITSTATUS(waitb)); | |
de56407f | 87 | code = send_object(conn, (char *)&n, INTEGER_T); |
c8dc853f | 88 | if (code) { |
de56407f | 89 | exit(1); |
c8dc853f | 90 | } |
91 | } else { | |
de56407f | 92 | code = send_ok(); |
93 | if (code) | |
c8dc853f | 94 | exit(1); |
de56407f | 95 | } |
96 | } | |
97 | } |