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 #pragma ident "%Z%%M% %I% %E% SMI"
16
17
18 #include "refer..c"
19 #include <string.h>
20 #define move(x, y) close(y); dup(x); close(x);
21
22 extern void err();
23 extern long findline();
24 extern void huntmain();
25 extern void restodir();
26
27 static int callhunt(char *, char *, char *, int);
28 static int dodeliv(char *, char *, char *, int);
29
30 int
corout(char * in,char * out,char * rprog,char * arg,int outlen)31 corout(char *in, char *out, char *rprog, char *arg, int outlen)
32 {
33 int pipev[2], fr1, fr2, fw1, fw2, n;
34
35 #if D1
36 fprintf(stderr, "in corout, rprog /%s/ in /%s/\n",
37 rprog ? rprog : "", strlen(in) ? in : "");
38 #endif
39
40 if (strcmp(rprog, "hunt") == 0)
41 return (callhunt(in, out, arg, outlen));
42 if (strcmp(rprog, "deliv") == 0)
43 return (dodeliv(in, out, arg, outlen));
44 pipe(pipev);
45 fr1 = pipev[0];
46 fw1 = pipev[1];
47 pipe(pipev);
48 fr2 = pipev[0];
49 fw2 = pipev[1];
50 if (fork() == 0) {
51 close(fw1);
52 close(fr2);
53 move(fr1, 0);
54 move(fw2, 1);
55 if (rprog[0] != '/')
56 chdir("/usr/lib/refer");
57 execl(rprog, "deliv", arg, 0);
58 err(gettext("Can't run %s"), rprog);
59 }
60 close(fw2);
61 close(fr1);
62 if (strlen(in) > 0)
63 write(fw1, in, strlen(in));
64 close(fw1);
65 wait(0);
66 n = read(fr2, out, outlen);
67 out[n] = 0;
68 close(fr2);
69 return (0);
70 }
71
72 #define ALEN 50
73
74 static int
callhunt(char * in,char * out,char * arg,int outlen)75 callhunt(char *in, char *out, char *arg, int outlen)
76 {
77 char *argv[20], abuff[ALEN];
78 extern int typeindex;
79 int argc;
80 extern char one[];
81 extern int onelen;
82 argv[0] = "hunt";
83 argv[1] = "-i";
84 argv[2] = in;
85 argv[3] = "-t";
86 argv[4] = out;
87 argv[5] = (char *)outlen;
88 argv[6] = "-T";
89 argv[7] = "-F1";
90 argv[8] = "-o";
91 argv[9] = one;
92 argv[10] = (char *)onelen;
93 argv[11] = abuff;
94 strcpy(abuff, arg);
95 if (strlen(abuff) > ALEN)
96 err("abuff not big enough %d", strlen(abuff));
97 argc = 6;
98 huntmain(argc, argv);
99 return (0);
100 }
101
102 static int
dodeliv(char * in,char * out,char * arg,int outlen)103 dodeliv(char *in, char *out, char *arg, int outlen)
104 {
105 char *mout;
106 int mlen;
107 #if D1
108 fprintf(stderr, "in dodeliv, arg /%s/\n", arg?arg:"");
109 #endif
110 if (arg && arg[0])
111 chdir(arg);
112
113 mlen = findline(in, &mout, outlen, 0L);
114
115 if (mlen > 0) {
116 strncpy(out, mout, outlen);
117 free(mout);
118 }
119 restodir();
120 return (0);
121 }
122