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temp.c revision 1.1.1.2 
      1 /*
      2  * Copyright (c) 1980, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)temp.c	8.1 (Berkeley) 6/6/93";
     36 #endif /* not lint */
     37 
     38 #include "rcv.h"
     39 #include <errno.h>
     40 #include "extern.h"
     41 
     42 /*
     43  * Mail -- a mail program
     44  *
     45  * Give names to all the temporary files that we will need.
     46  */
     47 
     48 char	tempMail[24];
     49 char	tempQuit[24];
     50 char	tempEdit[24];
     51 char	tempResid[24];
     52 char	tempMesg[24];
     53 char	*tmpdir;
     54 
     55 void
     56 tinit()
     57 {
     58 	register char *cp;
     59 	int len;
     60 
     61 	if ((tmpdir = getenv("TMPDIR")) == NULL)
     62 		tmpdir = _PATH_TMP;
     63 	else {
     64 		len = strlen(tmpdir);
     65 		if ((cp = malloc(len + 2)) == NULL) {
     66 			(void)fprintf(stderr, "mail: %s\n", strerror(errno));
     67 			exit (1);
     68 		}
     69 		(void)strcpy(cp, tmpdir);
     70 		cp[len] = '/';
     71 		cp[len + 1] = '\0';
     72 		tmpdir = cp;
     73 	}
     74 
     75 	strcpy(tempMail, tmpdir);
     76 	mktemp(strcat(tempMail, "RsXXXXXX"));
     77 	strcpy(tempResid, tmpdir);
     78 	mktemp(strcat(tempResid, "RqXXXXXX"));
     79 	strcpy(tempQuit, tmpdir);
     80 	mktemp(strcat(tempQuit, "RmXXXXXX"));
     81 	strcpy(tempEdit, tmpdir);
     82 	mktemp(strcat(tempEdit, "ReXXXXXX"));
     83 	strcpy(tempMesg, tmpdir);
     84 	mktemp(strcat(tempMesg, "RxXXXXXX"));
     85 
     86 	/*
     87 	 * It's okay to call savestr in here because main will
     88 	 * do a spreserve() after us.
     89 	 */
     90 	if (myname != NOSTR) {
     91 		if (getuserid(myname) < 0) {
     92 			printf("\"%s\" is not a user of this system\n",
     93 			    myname);
     94 			exit(1);
     95 		}
     96 	} else {
     97 		if ((cp = username()) == NOSTR) {
     98 			myname = "ubluit";
     99 			if (rcvmode) {
    100 				printf("Who are you!?\n");
    101 				exit(1);
    102 			}
    103 		} else
    104 			myname = savestr(cp);
    105 	}
    106 	if ((cp = getenv("HOME")) == NOSTR)
    107 		cp = ".";
    108 	homedir = savestr(cp);
    109 	if (debug)
    110 		printf("user = %s, homedir = %s\n", myname, homedir);
    111 }
    112