Ultrix-3.1/src/cmd/uucp/uucp.c
/**********************************************************************
* Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. *
* All Rights Reserved. *
* Reference "/usr/src/COPYRIGHT" for applicable restrictions. *
**********************************************************************/
static char Sccsid[] = "@(#)uucp.c 3.0 4/22/86";
/*
* uucp - unix to unix copy program
*/
/********************
* Mods:
* decvax!larry - append / to destination path if sending multiple files.
* - add -W option. If used, uucp will not expand remote
* path names at the local site.
*******************/
#include "uucp.h"
#include <sys/types.h>
#include <sys/stat.h>
#include "uust.h"
int Uid;
int Euid;
char *Ropt = " ";
char Path[100], Optns[10], Ename[8];
char Grade = 'n';
int Copy = 1;
char Nuser[32];
int Expand = 1;
/* variables used to check if talking to more than one system. */
int xsflag = -1;
char xsys[8] = 0;
#define MAXCOUNT 20 /* maximun number of commands per C. file */
main(argc, argv)
char *argv[];
{
int ret;
char *sysfile1, *sysfile2, *cp;
char file1[MAXFULLNAME], file2[MAXFULLNAME];
int orig_uid = getuid();
int background = 0;
strcpy(Progname, "uucp");
uucpname(Myname);
umask(WFMASK);
Optns[0] = '-';
Optns[1] = 'd';
Optns[2] = 'C';
Ename[0] = Nuser[0] = Optns[3] = '\0';
while(argc>1 && argv[1][0] == '-'){
switch(argv[1][1]){
case 'C':
Copy = 1;
Optns[2] = 'C';
break;
case 'c':
Copy = 0;
Optns[2] = 'c';
break;
case 'd':
break;
case 'f':
Optns[1] = 'f';
break;
case 'e':
sprintf(Ename, "%.7s", &argv[1][2]);
break;
case 'g':
Grade = argv[1][2]; break;
case 'm':
strcat(Optns, "m");
break;
case 'n':
sprintf(Nuser, "%.31s", &argv[1][2]);
break;
case 'r':
Ropt = argv[1];
break;
case 's':
Spool = &argv[1][2]; break;
case 'x':
chkdebug(orig_uid);
Debug = atoi(&argv[1][2]);
if (Debug <= 0)
Debug = 1;
break;
case 'b':
background = 1;
break;
case 'W':
Expand = 0;
break;
default:
printf("unknown flag %s\n", argv[1]); break;
}
--argc; argv++;
}
if (background) {
fclose(stderr);
fopen("/usr/spool/uucp/AUDIT.uucp", "w");
}
DEBUG(4, "\n\n** %s **\n", "START");
gwd(Wrkdir);
DEBUG(9, "Working directory is: %s\n", Wrkdir);
Uid = getuid();
Euid = geteuid();
ret = guinfo(Uid, User, Path);
ASSERT(ret == 0, "CAN NOT FIND UID", "", Uid);
DEBUG(4, "UID %d, ", Uid);
DEBUG(4, "User %s,", User);
DEBUG(4, "Ename (%s) ", Ename);
DEBUG(4, "PATH %s\n", Path);
if (argc < 3) {
fprintf(stderr, "usage uucp from ... to\n");
cleanup(1);
}
/* set up "to" system and file names */
if ((cp = index(argv[argc - 1], '!')) != NULL) {
sysfile2 = argv[argc - 1];
*cp = '\0';
if (*sysfile2 == '\0')
sysfile2 = Myname;
else
sprintf(Rmtname, "%.7s", sysfile2);
if (versys(sysfile2) != 0) {
fprintf(stderr, "bad system name: %s\n", sysfile2);
cleanup(2);
}
strcpy(file2, cp + 1);
}
else {
sysfile2 = Myname;
strcpy(file2, argv[argc - 1]);
}
/* determine correct spool directory */
mkspname(sysfile2);
subchdir(Spool);
if (strlen(sysfile2) > 7)
*(sysfile2 + 7) = '\0';
if (argc > 3)
if (file2[strlen(file2)-1] != '/')
strcat(file2, "/");
/* do each from argument */
while (argc > 2) {
if ((cp = index(argv[1], '!')) != NULL) {
sysfile1 = argv[1];
*cp = '\0';
if (strlen(sysfile1) > 7)
*(sysfile1 + 7) = '\0';
if (*sysfile1 == '\0')
sysfile1 = Myname;
else {
sprintf(Rmtname, "%.7s", sysfile1);
mkspname(sysfile1);
subchdir(Spool);
}
if (versys(sysfile1) != 0) {
fprintf(stderr, "bad system name: %s\n", sysfile1);
cleanup(3);
}
strcpy(file1, cp + 1);
}
else {
sysfile1 = Myname;
strcpy(file1, argv[1]);
}
DEBUG(4, "file1 - %s\n", file1);
copy(sysfile1, file1, sysfile2, file2);
--argc;
argv++;
}
clscfile();
if (*Ropt != '-' && xsflag >= 0)
xuucico(xsys);
cleanup(0);
}
cleanup(code)
int code;
{
logcls();
rmlock(CNULL);
if (code)
fprintf(stderr, "uucp failed. code %d\n", code);
exit(code);
}
/***
* copy(s1, f1, s2, f2) generate copy files
* char *s1, *f1, *s2, *f2;
*
* return codes 0 | FAIL
*/
copy(s1, f1, s2, f2)
char *s1, *f1, *s2, *f2;
{
int type, statret;
struct stat stbuf, stbuf1;
char dfile[NAMESIZE];
char file1[MAXFULLNAME], file2[MAXFULLNAME];
FILE *cfp, *gtcfile();
char opts[100];
type = 0;
opts[0] = '\0';
strcpy(file1, f1);
strcpy(file2, f2);
if (strcmp(s1, Myname) != SAME)
type = 1;
if (strcmp(s2, Myname) != SAME)
type += 2;
if (type & 01)
if ((index(file1, '*') != NULL
|| index(file1, '?') != NULL
|| index(file1, '[') != NULL))
type = 4;
switch (type) {
case 0:
/* all work here */
DEBUG(4, "all work here %d\n", type);
if (ckexpf(file1))
return(FAIL);
if (ckexpf(file2))
return(FAIL);
if (stat(subfile(file1), &stbuf) != 0) {
fprintf(stderr, "can't get file status %s \n copy failed\n",
file1);
return(0);
}
statret = stat(subfile(file2), &stbuf1);
if (statret == 0
&& stbuf.st_ino == stbuf1.st_ino
&& stbuf.st_dev == stbuf1.st_dev) {
fprintf(stderr, "%s %s - same file; can't copy\n", file1, file2);
return(0);
}
if (chkpth(User, "", file1) != 0
|| chkperm(file2, index(Optns, 'd'))
|| chkpth(User, "", file2) != 0) {
fprintf(stderr, "permission denied\n");
cleanup(4);
}
if ((stbuf.st_mode & ANYREAD) == 0) {
fprintf(stderr, "can't read file (%s) mode (%o)\n",
file1, stbuf.st_mode);
return(FAIL);
}
if (statret == 0 && (stbuf1.st_mode & ANYWRITE) == 0) {
fprintf(stderr, "can't write file (%s) mode (%o)\n",
file2, stbuf1.st_mode);
return(FAIL);
}
xcp(file1, file2);
DEBUG(4, "mode is=%o\n", stbuf1.st_mode);
chmod(file2, stbuf.st_mode | BASEMODE);
logent("WORK HERE", "DONE");
return(0);
case 1:
/* receive file */
DEBUG(4, "receive file - %d\n", type);
chsys(s1);
/* dont expand remote file names if flag "Expand" set by user */
if (Expand && file1[0] != '~')
if (ckexpf(file1))
return(FAIL);
if (ckexpf(file2))
return(FAIL);
if (chkpth(User, "", file2) != 0) {
fprintf(stderr, "permission denied\n");
return(FAIL);
}
if (Ename[0] != '\0') {
/* execute uux - remote uucp */
xuux(Ename, s1, file1, s2, file2, opts);
return(0);
}
cfp = gtcfile(s1);
fprintf(cfp, "R %s %s %s %s\n", file1, file2, User, Optns);
break;
case 2:
/* send file */
if (ckexpf(file1))
return(FAIL);
/* dont expand remote file names if flag "Expand" set by user */
if (Expand && file2[0] != '~')
if (ckexpf(file2))
return(FAIL);
DEBUG(4, "send file - %d\n", type);
chsys(s2);
if (chkpth(User, "", file1) != 0) {
fprintf(stderr, "permission denied %s\n", file1);
return(FAIL);
}
if (stat(subfile(file1), &stbuf) != 0) {
fprintf(stderr, "can't get status for file %s\n", file1);
return(FAIL);
}
if ((stbuf.st_mode & S_IFMT) == S_IFDIR) {
fprintf(stderr, "directory name illegal - %s\n",
file1);
return(FAIL);
}
/* if file is owned by uucp then let it pass - need this */
/* for third party uux/uuxqt - can set up an X.file to */
/* uucp a file over to remote. */
if (((stbuf.st_mode & ANYREAD) == 0) && (stbuf.st_uid != Euid)) {
fprintf(stderr, "can't read file (%s) mode (%o)\n",
file1, stbuf.st_mode);
return(FAIL);
}
if ((Nuser[0] != '\0') && (index(Optns, 'n') == NULL))
strcat(Optns, "n");
if (Ename[0] != '\0') {
/* execute uux - remote uucp */
if (Nuser[0] != '\0')
sprintf(opts, "-n%s", Nuser);
xuux(Ename, s1, file1, s2, file2, opts);
return(0);
}
if (Copy) {
gename(DATAPRE, Myname, Grade, dfile);
if (xcp(file1, dfile) != 0) {
fprintf(stderr, "can't copy %s\n", file1);
return(FAIL);
}
}
else {
/* make a dummy D. name */
/* cntrl.c knows names < 6 chars are dummy D. files */
strcpy(dfile, "D.0");
}
cfp = gtcfile(s2);
fprintf(cfp, "S %s %s %s %s %s %o %s\n", file1, file2,
User, Optns, dfile, stbuf.st_mode & 0777, Nuser);
break;
case 3:
case 4:
/* send uucp command for execution on s1 */
DEBUG(4, "send uucp command - %d\n", type);
chsys(s1);
if (strcmp(s2, Myname) == SAME) {
if (ckexpf(file2))
return(FAIL);
if (chkpth(User, "", file2) != 0) {
fprintf(stderr, "permission denied\n");
return(FAIL);
}
}
if (Ename[0] != '\0') {
/* execute uux - remote uucp */
xuux(Ename, s1, file1, s2, file2, opts);
return(0);
}
cfp = gtcfile(s1);
fprintf(cfp, "X %s %s!%s %s %s\n", file1, s2, file2, User, Optns);
break;
}
return(0);
}
/***
* xuux(ename, s1, s2, f1, f2, opts) execute uux for remote uucp
*
* return code - none
*/
xuux(ename, s1, f1, s2, f2, opts)
char *ename, *s1, *s2, *f1, *f2, *opts;
{
char cmd[200];
DEBUG(4, "Ropt(%s) ", Ropt);
DEBUG(4, "ename(%s) ", ename);
DEBUG(4, "s1(%s) ", s1);
DEBUG(4, "f1(%s) ", f1);
DEBUG(4, "s2(%s) ", s2);
DEBUG(4, "f2(%s)\n", f2);
sprintf(cmd, "uux %s %s!uucp %s %s!%s \\(%s!%s\\)",
Ropt, ename, opts, s1, f1, s2, f2);
DEBUG(4, "cmd (%s)\n", cmd);
system(cmd);
return;
}
FILE *Cfp = NULL;
char Cfile[NAMESIZE];
/***
* gtcfile(sys) - get a Cfile descriptor
*
* return an open file descriptor
*/
FILE *
gtcfile(sys)
char *sys;
{
static char presys[8] = "";
static int cmdcount = 0;
int savemask;
if (strcmp(presys, sys) != SAME /* this is !SAME on first call */
|| ++cmdcount > MAXCOUNT) {
cmdcount = 1;
if (presys[0] != '\0') {
clscfile();
}
gename(CMDPRE, sys, Grade, Cfile);
savemask = umask(~0200);
Cfp = fopen(subfile(Cfile), "w");
umask(savemask);
ASSERT(Cfp != NULL, "CAN'T OPEN", Cfile, 0);
strcpy(presys, sys);
}
return(Cfp);
}
/***
* clscfile() - close cfile
*
* return code - none
*/
clscfile()
{
if (Cfp == NULL)
return;
fclose(Cfp);
chmod(subfile(Cfile), ~WFMASK & 0777);
logent(Cfile, "QUE'D");
US_CRS(Cfile);
Cfp = NULL;
return;
}
/****
*
* chsys(s1) compile a list of all systems we are referencing
* char *s1
*
* no return code -- sets up the xsys array.
* Credit: mcnc!swd
*/
chsys(s1)
register char *s1;
{
if (xsflag < 0)
xsflag = 0;
else if (xsflag > 0)
return;
if (xsys[0] == '\0') {
strncpy(xsys, s1, 7);
return;
}
if (strcmp(xsys, s1) == SAME)
return;
xsflag++;
xsys[0] = '\0';
}