xref: /onnv-gate/usr/src/cmd/sendmail/db/os/os_tmpdir.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*-
2*0Sstevel@tonic-gate  * See the file LICENSE for redistribution information.
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * Copyright (c) 1998
5*0Sstevel@tonic-gate  *	Sleepycat Software.  All rights reserved.
6*0Sstevel@tonic-gate  */
7*0Sstevel@tonic-gate 
8*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
9*0Sstevel@tonic-gate 
10*0Sstevel@tonic-gate #include "config.h"
11*0Sstevel@tonic-gate 
12*0Sstevel@tonic-gate #ifndef lint
13*0Sstevel@tonic-gate static const char sccsid[] = "@(#)os_tmpdir.c	10.3 (Sleepycat) 10/13/98";
14*0Sstevel@tonic-gate #endif /* not lint */
15*0Sstevel@tonic-gate 
16*0Sstevel@tonic-gate #ifndef NO_SYSTEM_INCLUDES
17*0Sstevel@tonic-gate #include <sys/types.h>
18*0Sstevel@tonic-gate 
19*0Sstevel@tonic-gate #include <errno.h>
20*0Sstevel@tonic-gate #include <stdlib.h>
21*0Sstevel@tonic-gate #endif
22*0Sstevel@tonic-gate 
23*0Sstevel@tonic-gate #include "db_int.h"
24*0Sstevel@tonic-gate #include "common_ext.h"
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate #ifdef macintosh
27*0Sstevel@tonic-gate #include <TFileSpec.h>
28*0Sstevel@tonic-gate #endif
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * __os_tmpdir --
32*0Sstevel@tonic-gate  *	Set the temporary directory path.
33*0Sstevel@tonic-gate  *
34*0Sstevel@tonic-gate  * The order of items in the list structure and the order of checks in
35*0Sstevel@tonic-gate  * the environment are documented.
36*0Sstevel@tonic-gate  *
37*0Sstevel@tonic-gate  * PUBLIC: int __os_tmpdir __P((DB_ENV *, u_int32_t));
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate int
__os_tmpdir(dbenv,flags)40*0Sstevel@tonic-gate __os_tmpdir(dbenv, flags)
41*0Sstevel@tonic-gate 	DB_ENV *dbenv;
42*0Sstevel@tonic-gate 	u_int32_t flags;
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate 	/*
45*0Sstevel@tonic-gate 	 * !!!
46*0Sstevel@tonic-gate 	 * Don't change this to:
47*0Sstevel@tonic-gate 	 *
48*0Sstevel@tonic-gate 	 *	static const char * const list[]
49*0Sstevel@tonic-gate 	 *
50*0Sstevel@tonic-gate 	 * because it creates a text relocation in position independent code.
51*0Sstevel@tonic-gate 	 */
52*0Sstevel@tonic-gate 	static const char * list[] = {
53*0Sstevel@tonic-gate 		"/var/tmp",
54*0Sstevel@tonic-gate 		"/usr/tmp",
55*0Sstevel@tonic-gate 		"/temp",		/* Windows. */
56*0Sstevel@tonic-gate 		"/tmp",
57*0Sstevel@tonic-gate 		"C:/temp",		/* Windows. */
58*0Sstevel@tonic-gate 		"C:/tmp",		/* Windows. */
59*0Sstevel@tonic-gate 		NULL
60*0Sstevel@tonic-gate 	};
61*0Sstevel@tonic-gate 	const char * const *lp, *p;
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate 	/* Use the environment if it's permitted and initialized. */
64*0Sstevel@tonic-gate 	p = NULL;
65*0Sstevel@tonic-gate #ifdef HAVE_GETEUID
66*0Sstevel@tonic-gate 	if (LF_ISSET(DB_USE_ENVIRON) ||
67*0Sstevel@tonic-gate 	    (LF_ISSET(DB_USE_ENVIRON_ROOT) && getuid() == 0))
68*0Sstevel@tonic-gate #else
69*0Sstevel@tonic-gate 	if (LF_ISSET(DB_USE_ENVIRON))
70*0Sstevel@tonic-gate #endif
71*0Sstevel@tonic-gate 	{
72*0Sstevel@tonic-gate 		if ((p = getenv("TMPDIR")) != NULL && p[0] == '\0') {
73*0Sstevel@tonic-gate 			__db_err(dbenv, "illegal TMPDIR environment variable");
74*0Sstevel@tonic-gate 			return (EINVAL);
75*0Sstevel@tonic-gate 		}
76*0Sstevel@tonic-gate 		/* Windows */
77*0Sstevel@tonic-gate 		if (p == NULL && (p = getenv("TEMP")) != NULL && p[0] == '\0') {
78*0Sstevel@tonic-gate 			__db_err(dbenv, "illegal TEMP environment variable");
79*0Sstevel@tonic-gate 			return (EINVAL);
80*0Sstevel@tonic-gate 		}
81*0Sstevel@tonic-gate 		/* Windows */
82*0Sstevel@tonic-gate 		if (p == NULL && (p = getenv("TMP")) != NULL && p[0] == '\0') {
83*0Sstevel@tonic-gate 			__db_err(dbenv, "illegal TMP environment variable");
84*0Sstevel@tonic-gate 			return (EINVAL);
85*0Sstevel@tonic-gate 		}
86*0Sstevel@tonic-gate 		/* Macintosh */
87*0Sstevel@tonic-gate 		if (p == NULL &&
88*0Sstevel@tonic-gate 		    (p = getenv("TempFolder")) != NULL && p[0] == '\0') {
89*0Sstevel@tonic-gate 			__db_err(dbenv,
90*0Sstevel@tonic-gate 			    "illegal TempFolder environment variable");
91*0Sstevel@tonic-gate 			return (EINVAL);
92*0Sstevel@tonic-gate 		}
93*0Sstevel@tonic-gate 	}
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate #ifdef macintosh
96*0Sstevel@tonic-gate 	/* Get the path to the temporary folder. */
97*0Sstevel@tonic-gate 	if (p == NULL) {
98*0Sstevel@tonic-gate 		FSSpec spec;
99*0Sstevel@tonic-gate 
100*0Sstevel@tonic-gate 		if (!Special2FSSpec(kTemporaryFolderType,
101*0Sstevel@tonic-gate 		    kOnSystemDisk, 0, &spec))
102*0Sstevel@tonic-gate 			(void)__os_strdup(FSp2FullPath(&spec), &p);
103*0Sstevel@tonic-gate 	}
104*0Sstevel@tonic-gate #endif
105*0Sstevel@tonic-gate 
106*0Sstevel@tonic-gate 	/* Step through the list looking for a possibility. */
107*0Sstevel@tonic-gate 	if (p == NULL)
108*0Sstevel@tonic-gate 		for (lp = list; *lp != NULL; ++lp)
109*0Sstevel@tonic-gate 			if (__os_exists(p = *lp, NULL) == 0)
110*0Sstevel@tonic-gate 				break;
111*0Sstevel@tonic-gate 	if (p == NULL)
112*0Sstevel@tonic-gate 		return (0);
113*0Sstevel@tonic-gate 
114*0Sstevel@tonic-gate 	return (__os_strdup(p, &dbenv->db_tmp_dir));
115*0Sstevel@tonic-gate }
116