+/* printjob.c 4.1 83/04/29 */
+/*
+ * printjob -- print jobs in the queue.
+ *
+ * NOTE: the lock file is used to pass information to lpq and lprm.
+ * it does not need to be removed because file locks are dynamic.
+ */
+
+#include "lp.h"
+
+#define DORETURN 0 /* absorb fork error */
+#define DOABORT 1 /* abort if dofork fails */
+
+char title[80]; /* ``pr'' title */
+FILE *cfp; /* control file */
+int pfd; /* printer file descriptor */
+int ofd; /* output filter file descriptor */
+int lfd; /* lock file descriptor */
+int pid; /* pid of lpd process */
+int prchild; /* id of pr process */
+int child; /* id of any filters */
+int ofilter; /* id of output filter, if any */
+int tof = 1; /* top of form; init true if open does ff */
+int remote; /* non zero if sending files to remote */
+
+extern banner(); /* big character printer */
+char logname[32]; /* user's login name */
+char jobname[32]; /* job or file name */
+char class[32]; /* classification field */
+char width[10] = "-w"; /* page width for `pr' */
+char length[10] = "-l"; /* page length for `pr' */
+
+printjob()
+{
+ struct stat stb;
+ register struct queue *q, **qp;
+ struct queue **queue;
+ register int i, nitems;
+ long pidoff;
+ extern int onintr();
+
+ name = "printjob";
+ init(); /* set up capabilities */
+ (void) close(2); /* set up log file */
+ (void) open(LF, FWRONLY|FAPPEND, 0);
+ dup2(2, 1);
+ pid = getpid();
+ setpgrp(0, pid);
+ sigset(SIGINT, onintr); /* for use with lprm */
+
+ /*
+ * uses short form file names
+ */
+ if (chdir(SD) < 0) {
+ log("cannot chdir to %s", SD);
+ exit(1);
+ }
+ if ((lfd = open(LO, FWRONLY|FCREATE|FTRUNCATE|FEXLOCK|FNBLOCK, 0664)) < 0) {
+ if (errno == EWOULDBLOCK) /* active deamon present */
+ exit(0);
+ log("cannot create %s", LO);
+ exit(1);
+ }
+ /*
+ * write process id for others to know
+ */
+ sprintf(line, "%u\n", pid);
+ pidoff = i = strlen(line);
+ if (write(lfd, line, i) != i)
+ log("cannot write daemon pid");
+ /*
+ * acquire line printer or remote connection
+ */
+restart:
+ if (*LP) {
+ for (i = 1; ; i = i < 32 ? i << 1 : i) {
+ pfd = open(LP, RW ? FRDWR : FWRONLY, 0);
+ if (pfd >= 0)
+ break;
+ if (errno == ENOENT) {
+ log("cannot open %s", LP);
+ exit(1);
+ }
+ if (i == 1)
+ status("waiting for %s to become ready (offline ?)", printer);
+ sleep(i);
+ }
+ if (isatty(pfd))
+ setty();
+ status("%s is ready and printing", printer);
+ } else if (RM != NULL) {
+ for (i = 1; ; i = i < 512 ? i << 1 : i) {
+ pfd = getport();
+ if (pfd >= 0) {
+ (void) sprintf(line, "\2%s\n", RP);
+ nitems = strlen(line);
+ if (write(pfd, line, nitems) != nitems)
+ break;
+ if (noresponse())
+ (void) close(pfd);
+ else
+ break;
+ }
+ if (i == 1)
+ status("waiting for %s to come up", RM);
+ sleep(i);
+ }
+ status("sending to %s", RM);
+ remote = 1;
+ } else {
+ log("no line printer device or remote machine name");
+ exit(1);
+ }
+ /*
+ * Start running as daemon instead of root
+ */
+ setuid(DU);
+ /*
+ * Start up an output filter, if needed.
+ */
+ if (OF) {
+ int p[2];
+ char *cp;
+
+ pipe(p);
+ if ((ofilter = dofork(DOABORT)) == 0) { /* child */
+ dup2(p[0], 0); /* pipe is std in */
+ dup2(pfd, 1); /* printer is std out */
+ for (i = 3; i < NOFILE; i++)
+ (void) close(i);
+ if ((cp = rindex(OF, '/')) == NULL)
+ cp = OF;
+ else
+ cp++;
+ execl(OF, cp, 0);
+ log("can't execl output filter %s", OF);
+ exit(1);
+ }
+ (void) close(p[0]); /* close input side */
+ ofd = p[1]; /* use pipe for output */
+ } else {
+ ofd = pfd;
+ ofilter = 0;
+ }
+
+ /*
+ * search the spool directory for work and sort by queue order.
+ */
+again:
+ if ((nitems = getq(&queue)) < 0) {
+ log("can't scan spool directory %s", SD);
+ exit(1);
+ }
+ if (nitems == 0) { /* EOF => no work to do */
+ if (!SF && !tof)
+ (void) write(ofd, FF, strlen(FF));
+ if (TR != NULL) /* output trailer */
+ (void) write(ofd, TR, strlen(TR));
+ exit(0);
+ }
+
+ /*
+ * we found something to do now do it --
+ * write the name of the current control file into the lock file
+ * so the spool queue program can tell what we're working on
+ */
+ for (qp = queue; nitems--; free((char *) q)) {
+ q = *qp++;
+ if (stat(q->q_name, &stb) < 0)
+ continue;
+ (void) lseek(lfd, pidoff, 0);
+ (void) sprintf(line, "%s\n", q->q_name);
+ i = strlen(line);
+ if (write(lfd, line, i) != i)
+ log("can't write (%d) control file name", errno);
+ if (!remote)
+ i = printit(q->q_name);
+ else
+ i = sendit(q->q_name);
+ if (i > 0) { /* restart daemon to reprint job */
+ log("restarting");
+ if (ofilter > 0) {
+ kill(ofilter, SIGCONT); /* to be sure */
+ (void) close(ofd);
+ while ((i = wait(0)) > 0 && i != ofilter)
+ ;
+ ofilter = 0;
+ }
+ (void) close(pfd);
+ free((char *) q);
+ while (nitems--)
+ free((char *) *qp++);
+ free((char *) queue);
+ goto restart;
+ }
+ }
+ free((char *) queue);
+ goto again;
+}
+
+char fonts[4][50]; /* fonts for troff */
+
+static char ifonts[4][18] = {
+ "/usr/lib/vfont/R",
+ "/usr/lib/vfont/I",
+ "/usr/lib/vfont/B",
+ "/usr/lib/vfont/S"
+};
+
+/*
+ * The remaining part is the reading of the control file (cf)
+ * and performing the various actions.
+ * Returns 0 if everthing was OK, 1 if we should try to reprint the job and
+ * -1 if a non-recoverable error occured.
+ */
+printit(file)
+ char *file;
+{
+ register int i;
+ int bombed = 0;
+
+ /*
+ * open control file
+ */
+ if ((cfp = fopen(file, "r")) == NULL) {
+ log("control file (%s) open failure <errno = %d>", file, errno);
+ return(0);
+ }
+ /*
+ * Reset troff fonts.
+ */
+ for (i = 0; i < 4; i++)
+ strcpy(fonts[i], ifonts[i]);
+
+ /*
+ * read the control file for work to do
+ *
+ * file format -- first character in the line is a command
+ * rest of the line is the argument.
+ * valid commands are:
+ *
+ * J -- "job name" on banner page
+ * C -- "class name" on banner page
+ * L -- "literal" user's name to print on banner
+ * T -- "title" for pr
+ * H -- "host name" of machine where lpr was done
+ * P -- "person" user's login name
+ * I -- "indent" changes default indents driver
+ * must have stty/gtty avaialble
+ * f -- "file name" name of text file to print
+ * l -- "file name" text file with control chars
+ * p -- "file name" text file to print with pr(1)
+ * t -- "file name" troff(1) file to print
+ * d -- "file name" dvi file to print
+ * g -- "file name" plot(1G) file to print
+ * v -- "file name" plain raster file to print
+ * c -- "file name" cifplot file to print
+ * 1 -- "R font file" for troff
+ * 2 -- "I font file" for troff
+ * 3 -- "B font file" for troff
+ * 4 -- "S font file" for troff
+ * N -- "name" of file (used by lpq)
+ * U -- "unlink" name of file to remove
+ * (after we print it. (Pass 2 only)).
+ * M -- "mail" to user when done printing
+ *
+ * getline reads a line and expands tabs to blanks
+ */
+
+ /* pass 1 */
+
+ while (getline(cfp))
+ switch (line[0]) {
+ case 'H':
+ strcpy(host, line+1);
+ if (class[0] == '\0')
+ strcpy(class, line+1);
+ continue;
+
+ case 'P':
+ strcpy(logname, line+1);
+ continue;
+
+ case 'J':
+ if (line[1] != '\0')
+ strcpy(jobname, line+1);
+ else
+ strcpy(jobname, " ");
+ continue;
+
+ case 'C':
+ if (line[1] != '\0')
+ strcpy(class, line+1);
+ else if (class[0] == '\0')
+ gethostname(class, sizeof (class));
+ continue;
+
+ case 'T': /* header title for pr */
+ strcpy(title, line+1);
+ continue;
+
+ case 'L': /* identification line */
+ if (!SH)
+ banner(line+1, jobname);
+ continue;
+
+ case '1': /* troff fonts */
+ case '2':
+ case '3':
+ case '4':
+ if (line[1] != '\0')
+ strcpy(fonts[line[0]-'1'], line+1);
+ continue;
+
+ case 'W': /* page width */
+ strcpy(width+2, line+1);
+ continue;
+
+ default: /* some file to print */
+ if ((i = print(line[0], line+1)) > 0) {
+ (void) fclose(cfp);
+ return(1);
+ } else if (i < 0)
+ bombed = 1;
+ title[0] = '\0';
+ continue;
+
+ case 'I':
+ case 'N':
+ case 'U':
+ case 'M':
+ continue;
+ }
+
+ /* pass 2 */
+
+ fseek(cfp, 0L, 0);
+ while (getline(cfp))
+ switch (line[0]) {
+ case 'M':
+ sendmail(bombed);
+ continue;
+
+ case 'U':
+ (void) unlink(line+1);
+ }
+ /*
+ * clean-up incase another control file exists
+ */
+ (void) fclose(cfp);
+ (void) unlink(file);
+ return(0);
+}
+
+/*
+ * Print a file.
+ * Set up the chain [ PR [ | {IF, OF} ] ] or {IF, TF, CF, VF}.
+ * Return -1 if a non-recoverable error occured, 1 if a recoverable error and
+ * 0 if all is well.
+ * Note: all filters take stdin as the file, stdout as the printer,
+ * stderr as the log file, and must not ignore SIGINT.
+ */
+print(format, file)
+ int format;
+ char *file;
+{
+ register int n, fi, fo;
+ register char *prog;
+ char *av[15], buf[BUFSIZ];
+ int pid, p[2], stopped = 0;
+ union wait status;
+
+ if ((fi = open(file, FRDONLY, 0)) < 0) {
+ log("%s: open failure <errno = %d>", file, errno);
+ return(-1);
+ }
+ if (!SF && !tof) { /* start on a fresh page */
+ (void) write(ofd, FF, strlen(FF));
+ tof = 1;
+ }
+ if (IF == NULL && (format == 'f' || format == 'l')) {
+ tof = 0;
+ while ((n = read(fi, buf, BUFSIZ)) > 0)
+ if (write(ofd, buf, n) != n) {
+ (void) close(fi);
+ return(1);
+ }
+ (void) close(fi);
+ return(0);
+ }
+ switch (format) {
+ case 'p': /* print file using 'pr' */
+ if (IF == NULL) { /* use output filter */
+ prog = PR;
+ av[0] = "pr";
+ av[1] = width;
+ av[2] = length;
+ av[3] = "-h";
+ av[4] = *title ? title : " ";
+ av[5] = 0;
+ fo = ofd;
+ goto start;
+ }
+ pipe(p);
+ if ((prchild = dofork(DORETURN)) == 0) { /* child */
+ dup2(fi, 0); /* file is stdin */
+ dup2(p[1], 1); /* pipe is stdout */
+ for (n = 3; n < NOFILE; n++)
+ (void) close(n);
+ execl(PR, "pr", width, length, "-h", *title ? title : " ", 0);
+ log("cannot execl %s", PR);
+ exit(2);
+ }
+ (void) close(p[1]); /* close output side */
+ (void) close(fi);
+ if (prchild < 0) {
+ prchild = 0;
+ (void) close(p[0]);
+ return(-1);
+ }
+ fi = p[0]; /* use pipe for input */
+ case 'f': /* print plain text file */
+ prog = IF;
+ av[1] = width;
+ av[2] = length;
+ n = 3;
+ break;
+ case 'l': /* like 'f' but pass control characters */
+ prog = IF;
+ av[1] = "-l";
+ av[2] = width;
+ av[3] = length;
+ n = 4;
+ break;
+ case 't': /* print troff output */
+ case 'd': /* print troff output */
+ (void) unlink(".railmag");
+ if ((fo = creat(".railmag", 0666)) < 0) {
+ log("cannot create .railmag");
+ (void) unlink(".railmag");
+ } else {
+ for (n = 0; n < 4; n++) {
+ if (fonts[n][0] != '/')
+ (void) write(fo, "/usr/lib/vfont/", 15);
+ (void) write(fo, fonts[n], strlen(fonts[n]));
+ (void) write(fo, "\n", 1);
+ }
+ (void) close(fo);
+ }
+ prog = (format == 't') ? TF : DF;
+ n = 1;
+ break;
+ case 'c': /* print cifplot output */
+ prog = CF;
+ n = 1;
+ break;
+ case 'g': /* print plot(1G) output */
+ prog = GF;
+ n = 1;
+ break;
+ case 'v': /* print raster output */
+ prog = VF;
+ n = 1;
+ break;
+ default:
+ (void) close(fi);
+ log("illegal format character '%c'", format);
+ return(-1);
+ }
+ if ((av[0] = rindex(prog, '/')) != NULL)
+ av[0]++;
+ else
+ av[0] = prog;
+ av[n++] = "-n";
+ av[n++] = logname;
+ av[n++] = "-h";
+ av[n++] = host;
+ av[n++] = AF;
+ av[n] = 0;
+ fo = pfd;
+ if (ofilter > 0) { /* stop output filter */
+ write(ofd, "\031\1", 2);
+ while ((pid = wait3(&status, WUNTRACED, 0)) > 0 && pid != ofilter)
+ ;
+ if (status.w_stopval != WSTOPPED) {
+ (void) close(fi);
+ log("output filter died (%d)", status.w_retcode);
+ return(1);
+ }
+ stopped++;
+ }
+start:
+ if ((child = dofork(DORETURN)) == 0) { /* child */
+ dup2(fi, 0);
+ dup2(fo, 1);
+ for (n = 3; n < NOFILE; n++)
+ (void) close(n);
+ execv(prog, av);
+ log("cannot execl %s", prog);
+ exit(2);
+ }
+ (void) close(fi);
+ if (child < 0)
+ status.w_retcode = 100;
+ else
+ while ((pid = wait(&status)) > 0 && pid != child)
+ ;
+ child = 0;
+ prchild = 0;
+ if (stopped) { /* restart output filter */
+ if (kill(ofilter, SIGCONT) < 0) {
+ log("cannot restart output filter");
+ exit(1);
+ }
+ }
+ tof = 0;
+ if (!WIFEXITED(status) || status.w_retcode > 1) {
+ log("Daemon Filter '%c' Malfunction (%d)", format, status.w_retcode);
+ return(-1);
+ } else if (status.w_retcode == 1)
+ return(1);
+ tof = 1;
+ return(0);
+}
+
+/*
+ * Send the daemon control file (cf) and any data files.
+ * Return -1 if a non-recoverable error occured, 1 if a recoverable error and
+ * 0 if all is well.
+ */
+sendit(file)
+ char *file;
+{
+ register int linelen, err = 0;
+ char last[132];
+
+ /*
+ * open control file
+ */
+ if ((cfp = fopen(file, "r")) == NULL) {
+ log("control file (%s) open failure <errno = %d>", file, errno);
+ return(0);
+ }
+ /*
+ * read the control file for work to do
+ *
+ * file format -- first character in the line is a command
+ * rest of the line is the argument.
+ * commands of interest are:
+ *
+ * a-z -- "file name" name of file to print
+ * U -- "unlink" name of file to remove
+ * (after we print it. (Pass 2 only)).
+ */
+
+ /*
+ * pass 1
+ */
+ while (getline(cfp)) {
+ again:
+ if (line[0] >= 'a' && line[0] <= 'z') {
+ strcpy(last, line);
+ while (linelen = getline(cfp))
+ if (strcmp(last, line))
+ break;
+ if ((err = sendfile('\3', last+1)) > 0) {
+ (void) fclose(cfp);
+ return(1);
+ } else if (err)
+ break;
+ if (linelen)
+ goto again;
+ break;
+ }
+ }
+ if (!err && sendfile('\2', file) > 0) {
+ (void) fclose(cfp);
+ return(1);
+ }
+ /*
+ * pass 2
+ */
+ fseek(cfp, 0L, 0);
+ while (getline(cfp))
+ if (line[0] == 'U')
+ (void) unlink(line+1);
+ /*
+ * clean-up incase another control file exists
+ */
+ (void) fclose(cfp);
+ (void) unlink(file);
+ return(0);
+}
+
+/*
+ * Send a data file to the remote machine and spool it.
+ * Return positive if we should try resending.
+ */
+sendfile(type, file)
+ char type, *file;
+{
+ register int f, i, amt;
+ struct stat stb;
+ char buf[BUFSIZ];
+ int sizerr;
+
+ if ((f = open(file, FRDONLY, 0)) < 0 || fstat(f, &stb) < 0) {
+ log("file (%s) open failure <errno = %d>", file, errno);
+ return(-1);
+ }
+ (void) sprintf(buf, "%c%d %s\n", type, stb.st_size, file);
+ amt = strlen(buf);
+ if (write(pfd, buf, amt) != amt)
+ return(1);
+ if (noresponse())
+ return(1);
+ sizerr = 0;
+ for (i = 0; i < stb.st_size; i += BUFSIZ) {
+ amt = BUFSIZ;
+ if (i + amt > stb.st_size)
+ amt = stb.st_size - i;
+ if (sizerr == 0 && read(f, buf, amt) != amt)
+ sizerr = 1;
+ if (write(pfd, buf, amt) != amt)
+ return(1);
+ }
+ (void) close(f);
+ if (sizerr) {
+ log("%s: changed size", file);
+ (void) write(pfd, "\1", 1); /* tell recvjob to ignore this file */
+ return(-1);
+ }
+ if (write(pfd, "", 1) != 1)
+ return(1);
+ if (noresponse())
+ return(1);
+ return(0);
+}
+
+/*
+ * Check to make sure there have been no errors and that both programs
+ * are in sync with eachother.
+ * Return non-zero if the connection was lost.
+ */
+static
+noresponse()
+{
+ char resp;
+
+ if (read(pfd, &resp, 1) != 1 || resp != '\0') {
+ log("lost connection or error in recvjob");
+ return(1);
+ }
+ return(0);
+}
+
+/*
+ * Banner printing stuff
+ */
+banner(name1, name2)
+ char *name1, *name2;
+{
+ time_t tvec;
+ extern char *ctime();
+
+ time(&tvec);
+ if (!SF && !tof)
+ (void) write(ofd, FF, strlen(FF));
+ if (SB) { /* short banner only */
+ if (class[0]) {
+ (void) write(ofd, class, strlen(class));
+ (void) write(ofd, ":", 1);
+ }
+ (void) write(ofd, name1, strlen(name1));
+ (void) write(ofd, " Job: ", 7);
+ (void) write(ofd, name2, strlen(name2));
+ (void) write(ofd, " Date: ", 8);
+ (void) write(ofd, ctime(&tvec), 24);
+ (void) write(ofd, "\n", 1);
+ } else { /* normal banner */
+ (void) write(ofd, "\n\n\n", 3);
+ scan_out(ofd, name1, '\0');
+ (void) write(ofd, "\n\n", 2);
+ scan_out(ofd, name2, '\0');
+ if (class[0]) {
+ (void) write(ofd,"\n\n\n",3);
+ scan_out(ofd, class, '\0');
+ }
+ (void) write(ofd, "\n\n\n\n\t\t\t\t\tJob: ", 15);
+ (void) write(ofd, name2, strlen(name2));
+ (void) write(ofd, "\n\t\t\t\t\tDate: ", 12);
+ (void) write(ofd, ctime(&tvec), 24);
+ (void) write(ofd, "\n", 1);
+ }
+ if (!SF)
+ (void) write(ofd, FF, strlen(FF));
+ tof = 1;
+}
+
+char *
+scnline(key, p, c)
+ register char key, *p;
+ char c;
+{
+ register scnwidth;
+
+ for (scnwidth = WIDTH; --scnwidth;) {
+ key <<= 1;
+ *p++ = key & 0200 ? c : BACKGND;
+ }
+ return (p);
+}
+
+#define TRC(q) (((q)-' ')&0177)
+
+scan_out(scfd, scsp, dlm)
+ int scfd;
+ char *scsp, dlm;
+{
+ register char *strp;
+ register nchrs, j;
+ char outbuf[LINELEN+1], *sp, c, cc;
+ int d, scnhgt;
+ extern char scnkey[][HEIGHT]; /* in lpdchar.c */
+
+ for (scnhgt = 0; scnhgt++ < HEIGHT+DROP; ) {
+ strp = &outbuf[0];
+ sp = scsp;
+ for (nchrs = 0; ; ) {
+ d = dropit(c = TRC(cc = *sp++));
+ if ((!d && scnhgt > HEIGHT) || (scnhgt <= DROP && d))
+ for (j = WIDTH; --j;)
+ *strp++ = BACKGND;
+ else
+ strp = scnline(scnkey[c][scnhgt-1-d], strp, cc);
+ if (*sp == dlm || *sp == '\0' || nchrs++ >= PW/(WIDTH+1)-1)
+ break;
+ *strp++ = BACKGND;
+ *strp++ = BACKGND;
+ }
+ while (*--strp == BACKGND && strp >= outbuf)
+ ;
+ strp++;
+ *strp++ = '\n';
+ (void) write(scfd, outbuf, strp-outbuf);
+ }
+}
+
+dropit(c)
+ char c;
+{
+ switch(c) {
+
+ case TRC('_'):
+ case TRC(';'):
+ case TRC(','):
+ case TRC('g'):
+ case TRC('j'):
+ case TRC('p'):
+ case TRC('q'):
+ case TRC('y'):
+ return (DROP);
+
+ default:
+ return (0);
+ }
+}
+
+/*
+ * sendmail ---
+ * tell people about job completion
+ */
+sendmail(bombed)
+ int bombed;
+{
+ static int p[2];
+ register int i;
+ int stat;
+ register char *cp;
+ char buf[100];
+
+ pipe(p);
+ if ((stat = dofork(DORETURN)) == 0) { /* child */
+ dup2(p[0], 0);
+ for (i = 3; i < NOFILE; i++)
+ (void) close(i);
+ if ((cp = rindex(MAIL, '/')) != NULL)
+ cp++;
+ else
+ cp = MAIL;
+ sprintf(buf, "%s@%s", line+1, host);
+ execl(MAIL, cp, buf, 0);
+ exit(0);
+ } else if (stat > 0) { /* parent */
+ dup2(p[1], 1);
+ printf("To: %s\n", line+1);
+ printf("Subject: printer job\n\n");
+ printf("Your printer job ");
+ if (*jobname)
+ printf("(%s) ", jobname);
+ if (bombed)
+ printf("bombed\n");
+ else
+ printf("is done\n");
+ fflush(stdout);
+ (void) close(1);
+ }
+ (void) close(p[0]);
+ (void) close(p[1]);
+ wait(&stat);
+}
+
+/*
+ * dofork - fork with retries on failure
+ */
+dofork(action)
+ int action;
+{
+ register int i, pid;
+
+ for (i = 0; i < 20; i++) {
+ if ((pid = fork()) < 0)
+ sleep((unsigned)(i*i));
+ else
+ return(pid);
+ }
+ log("can't fork");
+
+ switch (action) {
+ case DORETURN:
+ return (-1);
+ default:
+ log("bad action (%d) to dofork", action);
+ /*FALL THRU*/
+ case DOABORT:
+ exit(1);
+ }
+ /*NOTREACHED*/
+}
+
+/*
+ * Cleanup child processes when a SIGINT is caught.
+ */
+onintr()
+{
+ kill(0, SIGINT);
+ if (ofilter > 0)
+ kill(ofilter, SIGCONT);
+ while (wait(0) > 0)
+ ;
+ exit(0);
+}
+
+init()
+{
+ int status;
+
+ if ((status = pgetent(line, printer)) < 0) {
+ log("can't open printer description file");
+ exit(1);
+ } else if (status == 0) {
+ log("unknown printer");
+ exit(1);
+ }
+ if ((LP = pgetstr("lp", &bp)) == NULL)
+ LP = DEFDEVLP;
+ if ((RP = pgetstr("rp", &bp)) == NULL)
+ RP = printer;
+ if ((LO = pgetstr("lo", &bp)) == NULL)
+ LO = DEFLOCK;
+ if ((ST = pgetstr("st", &bp)) == NULL)
+ ST = DEFSTAT;
+ if ((LF = pgetstr("lf", &bp)) == NULL)
+ LF = DEFLOGF;
+ if ((SD = pgetstr("sd", &bp)) == NULL)
+ SD = DEFSPOOL;
+ if ((DU = pgetnum("du")) < 0)
+ DU = DEFUID;
+ if ((FF = pgetstr("ff", &bp)) == NULL)
+ FF = DEFFF;
+ if ((PW = pgetnum("pw")) < 0)
+ PW = DEFWIDTH;
+ sprintf(&width[2], "%d", PW);
+ if ((PL = pgetnum("pl")) < 0)
+ PL = DEFLENGTH;
+ sprintf(&length[2], "%d", PL);
+ RM = pgetstr("rm", &bp);
+ AF = pgetstr("af", &bp);
+ OF = pgetstr("of", &bp);
+ IF = pgetstr("if", &bp);
+ TF = pgetstr("tf", &bp);
+ DF = pgetstr("df", &bp);
+ GF = pgetstr("gf", &bp);
+ VF = pgetstr("vf", &bp);
+ CF = pgetstr("cf", &bp);
+ TR = pgetstr("tr", &bp);
+ SF = pgetflag("sf");
+ SH = pgetflag("sh");
+ SB = pgetflag("sb");
+ RW = pgetflag("rw");
+ BR = pgetnum("br");
+ if ((FC = pgetnum("fc")) < 0)
+ FC = 0;
+ if ((FS = pgetnum("fs")) < 0)
+ FS = 0;
+ if ((XC = pgetnum("xc")) < 0)
+ XC = 0;
+ if ((XS = pgetnum("xs")) < 0)
+ XS = 0;
+}
+
+struct bauds {
+ int baud;
+ int speed;
+} bauds[] = {
+ 50, B50,
+ 75, B75,
+ 110, B110,
+ 134, B134,
+ 150, B150,
+ 200, B200,
+ 300, B300,
+ 600, B600,
+ 1200, B1200,
+ 1800, B1800,
+ 2400, B2400,
+ 4800, B4800,
+ 9600, B9600,
+ 19200, EXTA,
+ 38400, EXTB,
+ 0, 0
+};
+
+/*
+ * setup tty lines.
+ */
+setty()
+{
+ struct sgttyb ttybuf;
+ register struct bauds *bp;
+
+ if (ioctl(pfd, TIOCEXCL, (char *)0) < 0) {
+ log("cannot set exclusive-use");
+ exit(1);
+ }
+ if (ioctl(pfd, TIOCGETP, (char *)&ttybuf) < 0) {
+ log("cannot get tty parameters");
+ exit(1);
+ }
+ if (BR > 0) {
+ for (bp = bauds; bp->baud; bp++)
+ if (BR == bp->baud)
+ break;
+ if (!bp->baud) {
+ log("illegal baud rate %d", BR);
+ exit(1);
+ }
+ ttybuf.sg_ispeed = ttybuf.sg_ospeed = bp->speed;
+ }
+ if (FC)
+ ttybuf.sg_flags &= ~FC;
+ if (FS)
+ ttybuf.sg_flags |= FS;
+ if (ioctl(pfd, TIOCSETP, (char *)&ttybuf) < 0) {
+ log("cannot set tty parameters");
+ exit(1);
+ }
+ if (XC) {
+ if (ioctl(pfd, TIOCLBIC, &XC) < 0) {
+ log("cannot set local tty parameters");
+ exit(1);
+ }
+ }
+ if (XS) {
+ if (ioctl(pfd, TIOCLBIS, &XS) < 0) {
+ log("cannot set local tty parameters");
+ exit(1);
+ }
+ }
+}
projects / unix-history / commitdiff