Commit | Line | Data |
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9552e6b8 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
2fd8b883 | 8 | char *copyright = |
9552e6b8 DF |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
2ae9f53f | 13 | #ifndef lint |
a86e9bce | 14 | static char *sccsid = "@(#)main.c 5.3 (Berkeley) %G%"; |
9552e6b8 | 15 | #endif not lint |
83f7d6ec KS |
16 | |
17 | #include "rcv.h" | |
18 | #include <sys/stat.h> | |
19 | ||
20 | /* | |
21 | * Mail -- a mail program | |
22 | * | |
23 | * Startup -- interface with user. | |
24 | */ | |
25 | ||
5807729c | 26 | jmp_buf hdrjmp; |
83f7d6ec KS |
27 | |
28 | /* | |
29 | * Find out who the user is, copy his mail file (if exists) into | |
30 | * /tmp/Rxxxxx and set up the message pointers. Then, print out the | |
31 | * message headers and read user commands. | |
32 | * | |
33 | * Command line syntax: | |
34 | * Mail [ -i ] [ -r address ] [ -h number ] [ -f [ name ] ] | |
35 | * or: | |
36 | * Mail [ -i ] [ -r address ] [ -h number ] people ... | |
37 | */ | |
38 | ||
39 | main(argc, argv) | |
40 | char **argv; | |
41 | { | |
42 | register char *ef; | |
43 | register int i, argp; | |
e3d4be91 | 44 | int mustsend, uflag, hdrstop(), (*prevint)(), f; |
83f7d6ec | 45 | FILE *ibuf, *ftat; |
6b3e20dc | 46 | struct sgttyb tbuf; |
83f7d6ec KS |
47 | |
48 | #ifdef signal | |
49 | Siginit(); | |
50 | #endif | |
51 | ||
52 | /* | |
53 | * Set up a reasonable environment. We clobber the last | |
54 | * element of argument list for compatibility with version 6, | |
55 | * figure out whether we are being run interactively, set up | |
56 | * all the temporary files, buffer standard output, and so forth. | |
57 | */ | |
58 | ||
59 | uflag = 0; | |
60 | argv[argc] = (char *) -1; | |
15609a06 KM |
61 | #ifdef GETHOST |
62 | inithost(); | |
63 | #endif GETHOST | |
83f7d6ec KS |
64 | mypid = getpid(); |
65 | intty = isatty(0); | |
66 | outtty = isatty(1); | |
6b3e20dc KS |
67 | if (outtty) { |
68 | gtty(1, &tbuf); | |
69 | baud = tbuf.sg_ospeed; | |
70 | } | |
71 | else | |
72 | baud = B9600; | |
83f7d6ec | 73 | image = -1; |
83f7d6ec KS |
74 | |
75 | /* | |
76 | * Now, determine how we are being used. | |
77 | * We successively pick off instances of -r, -h, -f, and -i. | |
78 | * If called as "rmail" we note this fact for letter sending. | |
79 | * If there is anything left, it is the base of the list | |
80 | * of users to mail to. Argp will be set to point to the | |
81 | * first of these users. | |
82 | */ | |
83 | ||
84 | ef = NOSTR; | |
85 | argp = -1; | |
86 | mustsend = 0; | |
87 | if (argc > 0 && **argv == 'r') | |
88 | rmail++; | |
89 | for (i = 1; i < argc; i++) { | |
90 | ||
91 | /* | |
92 | * If current argument is not a flag, then the | |
93 | * rest of the arguments must be recipients. | |
94 | */ | |
95 | ||
96 | if (*argv[i] != '-') { | |
97 | argp = i; | |
98 | break; | |
99 | } | |
100 | switch (argv[i][1]) { | |
101 | case 'r': | |
102 | /* | |
103 | * Next argument is address to be sent along | |
104 | * to the mailer. | |
105 | */ | |
106 | if (i >= argc - 1) { | |
107 | fprintf(stderr, "Address required after -r\n"); | |
108 | exit(1); | |
109 | } | |
110 | mustsend++; | |
111 | rflag = argv[i+1]; | |
112 | i++; | |
113 | break; | |
114 | ||
12a8dbc7 KS |
115 | case 'T': |
116 | /* | |
117 | * Next argument is temp file to write which | |
118 | * articles have been read/deleted for netnews. | |
119 | */ | |
120 | if (i >= argc - 1) { | |
121 | fprintf(stderr, "Name required after -T\n"); | |
122 | exit(1); | |
123 | } | |
124 | Tflag = argv[i+1]; | |
e3d4be91 KS |
125 | if ((f = creat(Tflag, 0600)) < 0) { |
126 | perror(Tflag); | |
127 | exit(1); | |
128 | } | |
129 | close(f); | |
12a8dbc7 KS |
130 | i++; |
131 | break; | |
132 | ||
83f7d6ec KS |
133 | case 'u': |
134 | /* | |
135 | * Next argument is person to pretend to be. | |
136 | */ | |
137 | uflag++; | |
138 | if (i >= argc - 1) { | |
5807729c | 139 | fprintf(stderr, "Missing user name for -u\n"); |
83f7d6ec KS |
140 | exit(1); |
141 | } | |
142 | strcpy(myname, argv[i+1]); | |
143 | i++; | |
144 | break; | |
145 | ||
146 | case 'i': | |
147 | /* | |
148 | * User wants to ignore interrupts. | |
149 | * Set the variable "ignore" | |
150 | */ | |
151 | assign("ignore", ""); | |
152 | break; | |
153 | ||
154 | case 'd': | |
155 | debug++; | |
156 | break; | |
157 | ||
158 | case 'h': | |
159 | /* | |
160 | * Specified sequence number for network. | |
161 | * This is the number of "hops" made so | |
162 | * far (count of times message has been | |
163 | * forwarded) to help avoid infinite mail loops. | |
164 | */ | |
165 | if (i >= argc - 1) { | |
166 | fprintf(stderr, "Number required for -h\n"); | |
167 | exit(1); | |
168 | } | |
169 | mustsend++; | |
170 | hflag = atoi(argv[i+1]); | |
171 | if (hflag == 0) { | |
172 | fprintf(stderr, "-h needs non-zero number\n"); | |
173 | exit(1); | |
174 | } | |
175 | i++; | |
176 | break; | |
177 | ||
178 | case 's': | |
179 | /* | |
180 | * Give a subject field for sending from | |
181 | * non terminal | |
182 | */ | |
183 | if (i >= argc - 1) { | |
184 | fprintf(stderr, "Subject req'd for -s\n"); | |
185 | exit(1); | |
186 | } | |
187 | mustsend++; | |
188 | sflag = argv[i+1]; | |
189 | i++; | |
190 | break; | |
191 | ||
192 | case 'f': | |
193 | /* | |
194 | * User is specifying file to "edit" with Mail, | |
195 | * as opposed to reading system mailbox. | |
196 | * If no argument is given after -f, we read his | |
197 | * mbox file in his home directory. | |
198 | */ | |
199 | if (i >= argc - 1) | |
200 | ef = mbox; | |
201 | else | |
202 | ef = argv[i + 1]; | |
203 | i++; | |
204 | break; | |
205 | ||
206 | case 'n': | |
207 | /* | |
208 | * User doesn't want to source /usr/lib/Mail.rc | |
209 | */ | |
210 | nosrc++; | |
211 | break; | |
212 | ||
da8590df KS |
213 | case 'N': |
214 | /* | |
215 | * Avoid initial header printing. | |
216 | */ | |
217 | noheader++; | |
218 | break; | |
219 | ||
843ac7dd CL |
220 | case 'v': |
221 | /* | |
222 | * Send mailer verbose flag | |
223 | */ | |
224 | assign("verbose", ""); | |
225 | break; | |
226 | ||
0f016ad0 S |
227 | case 'I': |
228 | /* | |
229 | * We're interactive | |
230 | */ | |
231 | intty = 1; | |
232 | break; | |
233 | ||
83f7d6ec KS |
234 | default: |
235 | fprintf(stderr, "Unknown flag: %s\n", argv[i]); | |
236 | exit(1); | |
237 | } | |
238 | } | |
239 | ||
240 | /* | |
241 | * Check for inconsistent arguments. | |
242 | */ | |
243 | ||
83f7d6ec KS |
244 | if (ef != NOSTR && argp != -1) { |
245 | fprintf(stderr, "Cannot give -f and people to send to.\n"); | |
246 | exit(1); | |
247 | } | |
248 | if (mustsend && argp == -1) { | |
249 | fprintf(stderr, "The flags you gave make no sense since you're not sending mail.\n"); | |
250 | exit(1); | |
251 | } | |
252 | tinit(); | |
5807729c KS |
253 | input = stdin; |
254 | rcvmode = argp == -1; | |
255 | if (!nosrc) | |
256 | load(MASTER); | |
257 | load(mailrc); | |
83f7d6ec | 258 | if (argp != -1) { |
83f7d6ec KS |
259 | mail(&argv[argp]); |
260 | ||
261 | /* | |
262 | * why wait? | |
263 | */ | |
264 | ||
265 | exit(senderr); | |
266 | } | |
267 | ||
268 | /* | |
269 | * Ok, we are reading mail. | |
270 | * Decide whether we are editing a mailbox or reading | |
271 | * the system mailbox, and open up the right stuff. | |
272 | */ | |
273 | ||
83f7d6ec | 274 | if (ef != NOSTR) { |
5807729c KS |
275 | char *ename; |
276 | ||
83f7d6ec | 277 | edit++; |
5807729c KS |
278 | ename = expand(ef); |
279 | if (ename != ef) { | |
280 | ef = (char *) calloc(1, strlen(ename) + 1); | |
281 | strcpy(ef, ename); | |
282 | } | |
927ecb14 KS |
283 | editfile = ef; |
284 | strcpy(mailname, ef); | |
83f7d6ec | 285 | } |
b57443b2 KS |
286 | if (setfile(mailname, edit) < 0) { |
287 | if (edit) | |
288 | perror(mailname); | |
289 | else | |
290 | fprintf(stderr, "No mail for %s\n", myname); | |
83f7d6ec | 291 | exit(1); |
b57443b2 | 292 | } |
a86e9bce | 293 | if (!noheader && value("noheader") == NOSTR) { |
5807729c KS |
294 | if (setjmp(hdrjmp) == 0) { |
295 | if ((prevint = sigset(SIGINT, SIG_IGN)) != SIG_IGN) | |
296 | sigset(SIGINT, hdrstop); | |
843ac7dd | 297 | announce(!0); |
5807729c KS |
298 | fflush(stdout); |
299 | sigset(SIGINT, prevint); | |
300 | } | |
301 | } | |
ab9ca2ea KS |
302 | if (!edit && msgCount == 0) { |
303 | printf("No mail\n"); | |
304 | fflush(stdout); | |
305 | exit(0); | |
306 | } | |
83f7d6ec | 307 | commands(); |
714288d2 KS |
308 | if (!edit) { |
309 | sigset(SIGHUP, SIG_IGN); | |
310 | sigset(SIGINT, SIG_IGN); | |
311 | sigset(SIGQUIT, SIG_IGN); | |
83f7d6ec | 312 | quit(); |
714288d2 | 313 | } |
83f7d6ec KS |
314 | exit(0); |
315 | } | |
5807729c KS |
316 | |
317 | /* | |
318 | * Interrupt printing of the headers. | |
319 | */ | |
320 | hdrstop() | |
321 | { | |
322 | ||
5807729c | 323 | fflush(stdout); |
80187484 | 324 | fprintf(stderr, "\nInterrupt\n"); |
5807729c KS |
325 | longjmp(hdrjmp, 1); |
326 | } |