Commit | Line | Data |
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2ae9f53f | 1 | #ifndef lint |
0f016ad0 | 2 | static char *sccsid = "@(#)main.c 2.15 (Berkeley) %G%"; |
2ae9f53f | 3 | #endif |
83f7d6ec KS |
4 | |
5 | #include "rcv.h" | |
6 | #include <sys/stat.h> | |
7 | ||
8 | /* | |
9 | * Mail -- a mail program | |
10 | * | |
11 | * Startup -- interface with user. | |
12 | */ | |
13 | ||
5807729c | 14 | jmp_buf hdrjmp; |
83f7d6ec KS |
15 | |
16 | /* | |
17 | * Find out who the user is, copy his mail file (if exists) into | |
18 | * /tmp/Rxxxxx and set up the message pointers. Then, print out the | |
19 | * message headers and read user commands. | |
20 | * | |
21 | * Command line syntax: | |
22 | * Mail [ -i ] [ -r address ] [ -h number ] [ -f [ name ] ] | |
23 | * or: | |
24 | * Mail [ -i ] [ -r address ] [ -h number ] people ... | |
25 | */ | |
26 | ||
27 | main(argc, argv) | |
28 | char **argv; | |
29 | { | |
30 | register char *ef; | |
31 | register int i, argp; | |
e3d4be91 | 32 | int mustsend, uflag, hdrstop(), (*prevint)(), f; |
83f7d6ec | 33 | FILE *ibuf, *ftat; |
6b3e20dc | 34 | struct sgttyb tbuf; |
83f7d6ec KS |
35 | |
36 | #ifdef signal | |
37 | Siginit(); | |
38 | #endif | |
39 | ||
40 | /* | |
41 | * Set up a reasonable environment. We clobber the last | |
42 | * element of argument list for compatibility with version 6, | |
43 | * figure out whether we are being run interactively, set up | |
44 | * all the temporary files, buffer standard output, and so forth. | |
45 | */ | |
46 | ||
47 | uflag = 0; | |
48 | argv[argc] = (char *) -1; | |
15609a06 KM |
49 | #ifdef GETHOST |
50 | inithost(); | |
51 | #endif GETHOST | |
83f7d6ec KS |
52 | mypid = getpid(); |
53 | intty = isatty(0); | |
54 | outtty = isatty(1); | |
6b3e20dc KS |
55 | if (outtty) { |
56 | gtty(1, &tbuf); | |
57 | baud = tbuf.sg_ospeed; | |
58 | } | |
59 | else | |
60 | baud = B9600; | |
83f7d6ec | 61 | image = -1; |
83f7d6ec KS |
62 | |
63 | /* | |
64 | * Now, determine how we are being used. | |
65 | * We successively pick off instances of -r, -h, -f, and -i. | |
66 | * If called as "rmail" we note this fact for letter sending. | |
67 | * If there is anything left, it is the base of the list | |
68 | * of users to mail to. Argp will be set to point to the | |
69 | * first of these users. | |
70 | */ | |
71 | ||
72 | ef = NOSTR; | |
73 | argp = -1; | |
74 | mustsend = 0; | |
75 | if (argc > 0 && **argv == 'r') | |
76 | rmail++; | |
77 | for (i = 1; i < argc; i++) { | |
78 | ||
79 | /* | |
80 | * If current argument is not a flag, then the | |
81 | * rest of the arguments must be recipients. | |
82 | */ | |
83 | ||
84 | if (*argv[i] != '-') { | |
85 | argp = i; | |
86 | break; | |
87 | } | |
88 | switch (argv[i][1]) { | |
89 | case 'r': | |
90 | /* | |
91 | * Next argument is address to be sent along | |
92 | * to the mailer. | |
93 | */ | |
94 | if (i >= argc - 1) { | |
95 | fprintf(stderr, "Address required after -r\n"); | |
96 | exit(1); | |
97 | } | |
98 | mustsend++; | |
99 | rflag = argv[i+1]; | |
100 | i++; | |
101 | break; | |
102 | ||
12a8dbc7 KS |
103 | case 'T': |
104 | /* | |
105 | * Next argument is temp file to write which | |
106 | * articles have been read/deleted for netnews. | |
107 | */ | |
108 | if (i >= argc - 1) { | |
109 | fprintf(stderr, "Name required after -T\n"); | |
110 | exit(1); | |
111 | } | |
112 | Tflag = argv[i+1]; | |
e3d4be91 KS |
113 | if ((f = creat(Tflag, 0600)) < 0) { |
114 | perror(Tflag); | |
115 | exit(1); | |
116 | } | |
117 | close(f); | |
12a8dbc7 KS |
118 | i++; |
119 | break; | |
120 | ||
83f7d6ec KS |
121 | case 'u': |
122 | /* | |
123 | * Next argument is person to pretend to be. | |
124 | */ | |
125 | uflag++; | |
126 | if (i >= argc - 1) { | |
5807729c | 127 | fprintf(stderr, "Missing user name for -u\n"); |
83f7d6ec KS |
128 | exit(1); |
129 | } | |
130 | strcpy(myname, argv[i+1]); | |
131 | i++; | |
132 | break; | |
133 | ||
134 | case 'i': | |
135 | /* | |
136 | * User wants to ignore interrupts. | |
137 | * Set the variable "ignore" | |
138 | */ | |
139 | assign("ignore", ""); | |
140 | break; | |
141 | ||
142 | case 'd': | |
143 | debug++; | |
144 | break; | |
145 | ||
146 | case 'h': | |
147 | /* | |
148 | * Specified sequence number for network. | |
149 | * This is the number of "hops" made so | |
150 | * far (count of times message has been | |
151 | * forwarded) to help avoid infinite mail loops. | |
152 | */ | |
153 | if (i >= argc - 1) { | |
154 | fprintf(stderr, "Number required for -h\n"); | |
155 | exit(1); | |
156 | } | |
157 | mustsend++; | |
158 | hflag = atoi(argv[i+1]); | |
159 | if (hflag == 0) { | |
160 | fprintf(stderr, "-h needs non-zero number\n"); | |
161 | exit(1); | |
162 | } | |
163 | i++; | |
164 | break; | |
165 | ||
166 | case 's': | |
167 | /* | |
168 | * Give a subject field for sending from | |
169 | * non terminal | |
170 | */ | |
171 | if (i >= argc - 1) { | |
172 | fprintf(stderr, "Subject req'd for -s\n"); | |
173 | exit(1); | |
174 | } | |
175 | mustsend++; | |
176 | sflag = argv[i+1]; | |
177 | i++; | |
178 | break; | |
179 | ||
180 | case 'f': | |
181 | /* | |
182 | * User is specifying file to "edit" with Mail, | |
183 | * as opposed to reading system mailbox. | |
184 | * If no argument is given after -f, we read his | |
185 | * mbox file in his home directory. | |
186 | */ | |
187 | if (i >= argc - 1) | |
188 | ef = mbox; | |
189 | else | |
190 | ef = argv[i + 1]; | |
191 | i++; | |
192 | break; | |
193 | ||
194 | case 'n': | |
195 | /* | |
196 | * User doesn't want to source /usr/lib/Mail.rc | |
197 | */ | |
198 | nosrc++; | |
199 | break; | |
200 | ||
da8590df KS |
201 | case 'N': |
202 | /* | |
203 | * Avoid initial header printing. | |
204 | */ | |
205 | noheader++; | |
206 | break; | |
207 | ||
843ac7dd CL |
208 | case 'v': |
209 | /* | |
210 | * Send mailer verbose flag | |
211 | */ | |
212 | assign("verbose", ""); | |
213 | break; | |
214 | ||
0f016ad0 S |
215 | case 'I': |
216 | /* | |
217 | * We're interactive | |
218 | */ | |
219 | intty = 1; | |
220 | break; | |
221 | ||
83f7d6ec KS |
222 | default: |
223 | fprintf(stderr, "Unknown flag: %s\n", argv[i]); | |
224 | exit(1); | |
225 | } | |
226 | } | |
227 | ||
228 | /* | |
229 | * Check for inconsistent arguments. | |
230 | */ | |
231 | ||
83f7d6ec KS |
232 | if (ef != NOSTR && argp != -1) { |
233 | fprintf(stderr, "Cannot give -f and people to send to.\n"); | |
234 | exit(1); | |
235 | } | |
236 | if (mustsend && argp == -1) { | |
237 | fprintf(stderr, "The flags you gave make no sense since you're not sending mail.\n"); | |
238 | exit(1); | |
239 | } | |
240 | tinit(); | |
5807729c KS |
241 | input = stdin; |
242 | rcvmode = argp == -1; | |
243 | if (!nosrc) | |
244 | load(MASTER); | |
245 | load(mailrc); | |
83f7d6ec | 246 | if (argp != -1) { |
83f7d6ec KS |
247 | mail(&argv[argp]); |
248 | ||
249 | /* | |
250 | * why wait? | |
251 | */ | |
252 | ||
253 | exit(senderr); | |
254 | } | |
255 | ||
256 | /* | |
257 | * Ok, we are reading mail. | |
258 | * Decide whether we are editing a mailbox or reading | |
259 | * the system mailbox, and open up the right stuff. | |
260 | */ | |
261 | ||
83f7d6ec | 262 | if (ef != NOSTR) { |
5807729c KS |
263 | char *ename; |
264 | ||
83f7d6ec | 265 | edit++; |
5807729c KS |
266 | ename = expand(ef); |
267 | if (ename != ef) { | |
268 | ef = (char *) calloc(1, strlen(ename) + 1); | |
269 | strcpy(ef, ename); | |
270 | } | |
927ecb14 KS |
271 | editfile = ef; |
272 | strcpy(mailname, ef); | |
83f7d6ec | 273 | } |
b57443b2 KS |
274 | if (setfile(mailname, edit) < 0) { |
275 | if (edit) | |
276 | perror(mailname); | |
277 | else | |
278 | fprintf(stderr, "No mail for %s\n", myname); | |
83f7d6ec | 279 | exit(1); |
b57443b2 | 280 | } |
5807729c KS |
281 | if (!edit && !noheader && value("noheader") == NOSTR) { |
282 | if (setjmp(hdrjmp) == 0) { | |
283 | if ((prevint = sigset(SIGINT, SIG_IGN)) != SIG_IGN) | |
284 | sigset(SIGINT, hdrstop); | |
843ac7dd | 285 | announce(!0); |
5807729c KS |
286 | fflush(stdout); |
287 | sigset(SIGINT, prevint); | |
288 | } | |
289 | } | |
290 | if (edit) | |
291 | newfileinfo(); | |
ab9ca2ea KS |
292 | if (!edit && msgCount == 0) { |
293 | printf("No mail\n"); | |
294 | fflush(stdout); | |
295 | exit(0); | |
296 | } | |
83f7d6ec | 297 | commands(); |
714288d2 KS |
298 | if (!edit) { |
299 | sigset(SIGHUP, SIG_IGN); | |
300 | sigset(SIGINT, SIG_IGN); | |
301 | sigset(SIGQUIT, SIG_IGN); | |
83f7d6ec | 302 | quit(); |
714288d2 | 303 | } |
83f7d6ec KS |
304 | exit(0); |
305 | } | |
5807729c KS |
306 | |
307 | /* | |
308 | * Interrupt printing of the headers. | |
309 | */ | |
310 | hdrstop() | |
311 | { | |
312 | ||
5807729c | 313 | fflush(stdout); |
80187484 | 314 | fprintf(stderr, "\nInterrupt\n"); |
5807729c KS |
315 | longjmp(hdrjmp, 1); |
316 | } |