3BSD/usr/src/cmd/uucp/uucp.c
/* uucp 2.7 5/24/79 19:40:13 */
#include "uucp.h"
#include "uucpdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
static char SiD[] = "@(#)uucp 2.7";
/*
* uucp
*/
int Uid;
char *Ropt = " ";
char Path[100], Optns[10], Ename[8];
char Grade = 'n';
int Copy = 1;
#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];
extern char *index();
uucpname(Myname);
Optns[0] = '-';
Ename[0] = Optns[1] = '\0';
while(argc>1 && argv[1][0] == '-'){
switch(argv[1][1]){
case 'c':
Copy = 0;
strcat(Optns, "c");
break;
case 'd':
strcat(Optns, "d");
break;
case 'e':
sprintf(Ename, "%.7s", &argv[1][2]);
break;
case 'g':
Grade = argv[1][2]; break;
case 'm':
strcat(Optns, "m");
break;
case 'r':
Ropt = argv[1];
break;
case 's':
Spool = &argv[1][2]; break;
case 'x':
Debug = atoi(&argv[1][2]);
if (Debug <= 0)
Debug = 1;
break;
default:
printf("unknown flag %s\n", argv[1]); break;
}
--argc; argv++;
}
DEBUG(4, "\n\n** %s **\n", "START");
ret = gwd(Wrkdir);
if (ret != 0) {
fprintf(stderr, "can't get working directory; will try to continue\n");
strcpy(Wrkdir, "/UNKNOWN");
}
chdir(Spool);
Uid = getuid();
ret = guinfo(Uid, User, Path);
ASSERT(ret == 0, "CAN NOT FIND UID %d\n", 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(0);
}
/* 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(0);
}
strcpy(file2, cp + 1);
}
else {
sysfile2 = Myname;
strcpy(file2, argv[argc - 1]);
}
if (strlen(sysfile2) > 7)
*(sysfile2 + 7) = '\0';
/* 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);
if (versys(sysfile1) != 0) {
fprintf(stderr, "bad system name: %s\n", sysfile1);
cleanup(0);
}
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 != '-')
xuucico("");
cleanup(0);
}
cleanup(code)
int code;
{
logcls();
rmlock(NULL);
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 ret, type, statret;
struct stat stbuf, stbuf1;
char dfile[NAMESIZE];
char file1[MAXFULLNAME], file2[MAXFULLNAME];
FILE *cfp;
extern char *index();
extern FILE *gtcfile();
type = 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);
expfile(file1);
expfile(file2);
if (stat(file1, &stbuf) != 0) {
fprintf(stderr, "can't get file status %s \n copy failed\n",
file1);
return(0);
}
statret = stat(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
|| chkpth(User, "", file2) != 0) {
fprintf(stderr, "permission denied\n");
cleanup(1);
}
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, stbuf.st_mode);
return(FAIL);
}
xcp(file1, file2);
logent("WORK HERE", "DONE");
return(0);
case 1:
/* receive file */
DEBUG(4, "receive file - %d\n", type);
if (file1[0] != '~')
expfile(file1);
expfile(file2);
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);
return(0);
}
cfp = gtcfile(s1);
fprintf(cfp, "R %s %s %s %s\n", file1, file2, User, Optns);
break;
case 2:
/* send file */
expfile(file1);
if (file2[0] != '~')
expfile(file2);
DEBUG(4, "send file - %d\n", type);
if (chkpth(User, "", file1) != 0) {
fprintf(stderr, "permission denied %s\n", file1);
return(FAIL);
}
if (stat(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 ((stbuf.st_mode & ANYREAD) == 0) {
fprintf(stderr, "can't read file (%s) mode (%o)\n",
file1, stbuf.st_mode);
return(FAIL);
}
if (Ename[0] != '\0') {
/* execute uux - remote uucp */
xuux(Ename, s1, file1, s2, file2);
return(0);
}
if (Copy) {
gename(DATAPRE, s2, Grade, dfile);
if (xcp(file1, dfile) != 0) {
fprintf(stderr, "can't copy %s\n", file1);
return(FAIL);
}
chmod(dfile, 0666);
}
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\n", file1, file2,
User, Optns, dfile, stbuf.st_mode & 0777);
break;
case 3:
case 4:
/* send uucp command for execution on s1 */
DEBUG(4, "send uucp command - %d\n", type);
if (strcmp(s2, Myname) == SAME) {
expfile(file2);
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);
return(0);
}
cfp = gtcfile(s1);
fprintf(cfp, "X %s %s!%s\n", file1, s2, file2);
break;
}
return(0);
}
/***
* xuux(ename, s1, s2, f1, f2) execute uux for remote uucp
*
* return code - none
*/
xuux(ename, s1, f1, s2, f2)
char *ename, *s1, *s2, *f1, *f2;
{
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\\)",
Ropt, ename, 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;
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);
Cfp = fopen(Cfile, "w");
ASSERT(Cfp != NULL, "CAN'T OPEN %s", Cfile);
chmod(0200, Cfile);
strcpy(presys, sys);
}
return(Cfp);
}
/***
* clscfile() - close cfile
*
* return code - none
*/
clscfile()
{
if (Cfp == NULL)
return;
fclose(Cfp);
chmod(0666, Cfile);
logent(Cfile, "QUE'D");
Cfp = NULL;
return;
}