1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #include "refer..c"
16 #include <string.h>
17 #define move(x, y) close(y); dup(x); close(x);
18
19 extern void err();
20 extern long findline();
21 extern void huntmain();
22 extern void restodir();
23
24 static int callhunt(char *, char *, char *, int);
25 static int dodeliv(char *, char *, char *, int);
26
27 int
corout(char * in,char * out,char * rprog,char * arg,int outlen)28 corout(char *in, char *out, char *rprog, char *arg, int outlen)
29 {
30 int pipev[2], fr1, fr2, fw1, fw2, n;
31
32 #if D1
33 fprintf(stderr, "in corout, rprog /%s/ in /%s/\n",
34 rprog ? rprog : "", strlen(in) ? in : "");
35 #endif
36
37 if (strcmp(rprog, "hunt") == 0)
38 return (callhunt(in, out, arg, outlen));
39 if (strcmp(rprog, "deliv") == 0)
40 return (dodeliv(in, out, arg, outlen));
41 pipe(pipev);
42 fr1 = pipev[0];
43 fw1 = pipev[1];
44 pipe(pipev);
45 fr2 = pipev[0];
46 fw2 = pipev[1];
47 if (fork() == 0) {
48 close(fw1);
49 close(fr2);
50 move(fr1, 0);
51 move(fw2, 1);
52 if (rprog[0] != '/')
53 chdir("/usr/lib/refer");
54 execl(rprog, "deliv", arg, 0);
55 err(gettext("Can't run %s"), rprog);
56 }
57 close(fw2);
58 close(fr1);
59 if (strlen(in) > 0)
60 write(fw1, in, strlen(in));
61 close(fw1);
62 wait(0);
63 n = read(fr2, out, outlen);
64 out[n] = 0;
65 close(fr2);
66 return (0);
67 }
68
69 #define ALEN 50
70
71 static int
callhunt(char * in,char * out,char * arg,int outlen)72 callhunt(char *in, char *out, char *arg, int outlen)
73 {
74 char *argv[20], abuff[ALEN];
75 extern int typeindex;
76 int argc;
77 extern char one[];
78 extern int onelen;
79 argv[0] = "hunt";
80 argv[1] = "-i";
81 argv[2] = in;
82 argv[3] = "-t";
83 argv[4] = out;
84 argv[5] = (char *)outlen;
85 argv[6] = "-T";
86 argv[7] = "-F1";
87 argv[8] = "-o";
88 argv[9] = one;
89 argv[10] = (char *)onelen;
90 argv[11] = abuff;
91 strcpy(abuff, arg);
92 if (strlen(abuff) > ALEN)
93 err("abuff not big enough %d", strlen(abuff));
94 argc = 6;
95 huntmain(argc, argv);
96 return (0);
97 }
98
99 static int
dodeliv(char * in,char * out,char * arg,int outlen)100 dodeliv(char *in, char *out, char *arg, int outlen)
101 {
102 char *mout;
103 int mlen;
104 #if D1
105 fprintf(stderr, "in dodeliv, arg /%s/\n", arg?arg:"");
106 #endif
107 if (arg && arg[0])
108 chdir(arg);
109
110 mlen = findline(in, &mout, outlen, 0L);
111
112 if (mlen > 0) {
113 strncpy(out, mout, outlen);
114 free(mout);
115 }
116 restodir();
117 return (0);
118 }
119