Commit | Line | Data |
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05862919 | 1 | #ifndef lint |
631a2290 | 2 | static char sccsid[] = "@(#)acu.c 4.12 (Berkeley) %G%"; |
05862919 SL |
3 | #endif |
4 | ||
f6a65350 | 5 | #include "tip.h" |
f6a65350 BJ |
6 | |
7 | static acu_t *acu = NOACU; | |
8 | static int conflag; | |
9 | static int acuabort(); | |
10 | static acu_t *acutype(); | |
11 | static jmp_buf jmpbuf; | |
12 | /* | |
13 | * Establish connection for tip | |
14 | * | |
15 | * If DU is true, we should dial an ACU whose type is AT. | |
16 | * The phone numbers are in PN, and the call unit is in CU. | |
17 | * | |
18 | * If the PN is an '@', then we consult the PHONES file for | |
19 | * the phone numbers. This file is /etc/phones, unless overriden | |
20 | * by an exported shell variable. | |
21 | * | |
22 | * The data base files must be in the format: | |
23 | * host-name[ \t]*phone-number | |
24 | * with the possibility of multiple phone numbers | |
25 | * for a single host acting as a rotary (in the order | |
26 | * found in the file). | |
27 | */ | |
28 | char * | |
29 | connect() | |
30 | { | |
31 | register char *cp = PN; | |
32 | char *phnum, string[256]; | |
33 | FILE *fd; | |
34 | int tried = 0; | |
35 | ||
36 | if (!DU) { /* regular connect message */ | |
37 | if (CM != NOSTR) | |
92ee31b0 | 38 | pwrite(FD, cp, size(CM)); |
3f48242d | 39 | return (NOSTR); |
f6a65350 BJ |
40 | } |
41 | /* | |
42 | * @ =>'s use data base in PHONES environment variable | |
43 | * otherwise, use /etc/phones | |
44 | */ | |
45 | signal(SIGINT, acuabort); | |
46 | signal(SIGQUIT, acuabort); | |
47 | if (setjmp(jmpbuf)) { | |
48 | signal(SIGINT, SIG_IGN); | |
49 | signal(SIGQUIT, SIG_IGN); | |
50 | printf("\ncall aborted\n"); | |
51 | logent(value(HOST), "", "", "call aborted"); | |
52 | if (acu != NOACU) { | |
53 | boolean(value(VERBOSE)) = FALSE; | |
54 | if (conflag) | |
e2326c44 | 55 | disconnect(NOSTR); |
f6a65350 BJ |
56 | else |
57 | (*acu->acu_abort)(); | |
58 | } | |
59 | delock(uucplock); | |
60 | exit(1); | |
61 | } | |
62 | if ((acu = acutype(AT)) == NOACU) | |
3f48242d | 63 | return ("unknown ACU type"); |
f6a65350 BJ |
64 | if (*cp != '@') { |
65 | while (*cp) { | |
92ee31b0 | 66 | for (phnum = cp; any(*cp, "0123456789-*=K"); cp++) |
f6a65350 | 67 | ; |
51f98017 BS |
68 | if (*cp) |
69 | *cp++ = '\0'; | |
f6a65350 BJ |
70 | |
71 | if (conflag = (*acu->acu_dialer)(phnum, CU)) { | |
72 | logent(value(HOST), phnum, acu->acu_name, | |
73 | "call completed"); | |
3f48242d | 74 | return (NOSTR); |
f6a65350 BJ |
75 | } else |
76 | logent(value(HOST), phnum, acu->acu_name, | |
03bdc5a9 | 77 | "call failed"); |
f6a65350 BJ |
78 | tried++; |
79 | } | |
80 | } else { | |
81 | if ((fd = fopen(PH, "r")) == NOFILE) { | |
82 | printf("%s: ", PH); | |
3f48242d | 83 | return ("can't open phone number file"); |
f6a65350 BJ |
84 | } |
85 | while (fgets(string, sizeof(string), fd) != NOSTR) { | |
86 | for (cp = string; !any(*cp, " \t\n"); cp++) | |
87 | ; | |
88 | if (*cp == '\n') { | |
89 | fclose(fd); | |
3f48242d | 90 | return ("unrecognizable host name"); |
f6a65350 BJ |
91 | } |
92 | *cp++ = '\0'; | |
93 | if (strcmp(string, value(HOST))) | |
94 | continue; | |
95 | while (any(*cp, " \t")) | |
96 | cp++; | |
97 | if (*cp == '\n') { | |
98 | fclose(fd); | |
3f48242d | 99 | return ("missing phone number"); |
f6a65350 | 100 | } |
92ee31b0 | 101 | for (phnum = cp; any(*cp, "0123456789-*="); cp++) |
f6a65350 BJ |
102 | ; |
103 | *cp = '\0'; | |
104 | ||
bc6f2b39 | 105 | if (conflag = (*acu->acu_dialer)(phnum, CU)) { |
f6a65350 BJ |
106 | fclose(fd); |
107 | logent(value(HOST), phnum, acu->acu_name, | |
108 | "call completed"); | |
3f48242d | 109 | return (NOSTR); |
f6a65350 BJ |
110 | } else |
111 | logent(value(HOST), phnum, acu->acu_name, | |
03bdc5a9 | 112 | "call failed"); |
f6a65350 BJ |
113 | tried++; |
114 | } | |
115 | fclose(fd); | |
116 | } | |
117 | if (!tried) | |
118 | logent(value(HOST), "", acu->acu_name, "missing phone number"); | |
92ee31b0 RC |
119 | else |
120 | (*acu->acu_abort)(); | |
03bdc5a9 | 121 | return (tried ? "call failed" : "missing phone number"); |
f6a65350 BJ |
122 | } |
123 | ||
e2326c44 SL |
124 | disconnect(reason) |
125 | char *reason; | |
f6a65350 BJ |
126 | { |
127 | if (!conflag) | |
128 | return; | |
631a2290 | 129 | if (reason == NOSTR) { |
e2326c44 SL |
130 | logent(value(HOST), "", acu->acu_name, "call terminated"); |
131 | if (boolean(value(VERBOSE))) | |
132 | printf("\r\ndisconnecting..."); | |
133 | } else | |
134 | logent(value(HOST), "", acu->acu_name, reason); | |
f6a65350 BJ |
135 | (*acu->acu_disconnect)(); |
136 | } | |
137 | ||
138 | static int | |
139 | acuabort(s) | |
140 | { | |
141 | signal(s, SIG_IGN); | |
3a779b68 | 142 | longjmp(jmpbuf, 1); |
f6a65350 BJ |
143 | } |
144 | ||
145 | static acu_t * | |
146 | acutype(s) | |
d8feebc2 | 147 | register char *s; |
f6a65350 BJ |
148 | { |
149 | register acu_t *p; | |
150 | extern acu_t acutable[]; | |
151 | ||
152 | for (p = acutable; p->acu_name != '\0'; p++) | |
153 | if (!strcmp(s, p->acu_name)) | |
3f48242d SL |
154 | return (p); |
155 | return (NOACU); | |
f6a65350 | 156 | } |