Commit | Line | Data |
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83f7d6ec KS |
1 | # |
2 | ||
3 | #include "rcv.h" | |
4 | #include <sys/stat.h> | |
5 | ||
6 | /* | |
7 | * Mail -- a mail program | |
8 | * | |
9 | * Startup -- interface with user. | |
10 | */ | |
11 | ||
da8590df | 12 | static char *SccsId = "@(#)main.c 1.3 %G%"; |
83f7d6ec KS |
13 | |
14 | /* | |
15 | * Find out who the user is, copy his mail file (if exists) into | |
16 | * /tmp/Rxxxxx and set up the message pointers. Then, print out the | |
17 | * message headers and read user commands. | |
18 | * | |
19 | * Command line syntax: | |
20 | * Mail [ -i ] [ -r address ] [ -h number ] [ -f [ name ] ] | |
21 | * or: | |
22 | * Mail [ -i ] [ -r address ] [ -h number ] people ... | |
23 | */ | |
24 | ||
25 | main(argc, argv) | |
26 | char **argv; | |
27 | { | |
28 | register char *ef; | |
29 | register int i, argp; | |
30 | int mustsend, uflag; | |
31 | FILE *ibuf, *ftat; | |
0b3c8268 | 32 | extern char _sobuf[]; |
83f7d6ec KS |
33 | |
34 | #ifdef signal | |
35 | Siginit(); | |
36 | #endif | |
37 | ||
38 | /* | |
39 | * Set up a reasonable environment. We clobber the last | |
40 | * element of argument list for compatibility with version 6, | |
41 | * figure out whether we are being run interactively, set up | |
42 | * all the temporary files, buffer standard output, and so forth. | |
43 | */ | |
44 | ||
45 | uflag = 0; | |
46 | argv[argc] = (char *) -1; | |
47 | mypid = getpid(); | |
48 | intty = isatty(0); | |
49 | outtty = isatty(1); | |
50 | image = -1; | |
51 | setbuf(stdout, _sobuf); | |
52 | ||
53 | /* | |
54 | * Now, determine how we are being used. | |
55 | * We successively pick off instances of -r, -h, -f, and -i. | |
56 | * If called as "rmail" we note this fact for letter sending. | |
57 | * If there is anything left, it is the base of the list | |
58 | * of users to mail to. Argp will be set to point to the | |
59 | * first of these users. | |
60 | */ | |
61 | ||
62 | ef = NOSTR; | |
63 | argp = -1; | |
64 | mustsend = 0; | |
65 | if (argc > 0 && **argv == 'r') | |
66 | rmail++; | |
67 | for (i = 1; i < argc; i++) { | |
68 | ||
69 | /* | |
70 | * If current argument is not a flag, then the | |
71 | * rest of the arguments must be recipients. | |
72 | */ | |
73 | ||
74 | if (*argv[i] != '-') { | |
75 | argp = i; | |
76 | break; | |
77 | } | |
78 | switch (argv[i][1]) { | |
79 | case 'r': | |
80 | /* | |
81 | * Next argument is address to be sent along | |
82 | * to the mailer. | |
83 | */ | |
84 | if (i >= argc - 1) { | |
85 | fprintf(stderr, "Address required after -r\n"); | |
86 | exit(1); | |
87 | } | |
88 | mustsend++; | |
89 | rflag = argv[i+1]; | |
90 | i++; | |
91 | break; | |
92 | ||
93 | case 'u': | |
94 | /* | |
95 | * Next argument is person to pretend to be. | |
96 | */ | |
97 | uflag++; | |
98 | if (i >= argc - 1) { | |
99 | fprintf(stderr, "You obviously dont know what you're doing\n"); | |
100 | exit(1); | |
101 | } | |
102 | strcpy(myname, argv[i+1]); | |
103 | i++; | |
104 | break; | |
105 | ||
106 | case 'i': | |
107 | /* | |
108 | * User wants to ignore interrupts. | |
109 | * Set the variable "ignore" | |
110 | */ | |
111 | assign("ignore", ""); | |
112 | break; | |
113 | ||
114 | case 'd': | |
115 | debug++; | |
116 | break; | |
117 | ||
118 | case 'h': | |
119 | /* | |
120 | * Specified sequence number for network. | |
121 | * This is the number of "hops" made so | |
122 | * far (count of times message has been | |
123 | * forwarded) to help avoid infinite mail loops. | |
124 | */ | |
125 | if (i >= argc - 1) { | |
126 | fprintf(stderr, "Number required for -h\n"); | |
127 | exit(1); | |
128 | } | |
129 | mustsend++; | |
130 | hflag = atoi(argv[i+1]); | |
131 | if (hflag == 0) { | |
132 | fprintf(stderr, "-h needs non-zero number\n"); | |
133 | exit(1); | |
134 | } | |
135 | i++; | |
136 | break; | |
137 | ||
138 | case 's': | |
139 | /* | |
140 | * Give a subject field for sending from | |
141 | * non terminal | |
142 | */ | |
143 | if (i >= argc - 1) { | |
144 | fprintf(stderr, "Subject req'd for -s\n"); | |
145 | exit(1); | |
146 | } | |
147 | mustsend++; | |
148 | sflag = argv[i+1]; | |
149 | i++; | |
150 | break; | |
151 | ||
152 | case 'f': | |
153 | /* | |
154 | * User is specifying file to "edit" with Mail, | |
155 | * as opposed to reading system mailbox. | |
156 | * If no argument is given after -f, we read his | |
157 | * mbox file in his home directory. | |
158 | */ | |
159 | if (i >= argc - 1) | |
160 | ef = mbox; | |
161 | else | |
162 | ef = argv[i + 1]; | |
163 | i++; | |
164 | break; | |
165 | ||
166 | case 'n': | |
167 | /* | |
168 | * User doesn't want to source /usr/lib/Mail.rc | |
169 | */ | |
170 | nosrc++; | |
171 | break; | |
172 | ||
da8590df KS |
173 | case 'N': |
174 | /* | |
175 | * Avoid initial header printing. | |
176 | */ | |
177 | noheader++; | |
178 | break; | |
179 | ||
83f7d6ec KS |
180 | default: |
181 | fprintf(stderr, "Unknown flag: %s\n", argv[i]); | |
182 | exit(1); | |
183 | } | |
184 | } | |
185 | ||
186 | /* | |
187 | * Check for inconsistent arguments. | |
188 | */ | |
189 | ||
190 | if (rflag != NOSTR && strcmp(rflag, "daemon") == 0) { | |
191 | ftat = fopen("/crp/kas/gotcha", "a"); | |
192 | if (ftat != NULL) { | |
193 | fprintf(ftat, "user daemon, real uid %d\n", getuid()); | |
194 | fclose(ftat); | |
195 | } | |
196 | } | |
197 | if (ef != NOSTR && argp != -1) { | |
198 | fprintf(stderr, "Cannot give -f and people to send to.\n"); | |
199 | exit(1); | |
200 | } | |
201 | if (mustsend && argp == -1) { | |
202 | fprintf(stderr, "The flags you gave make no sense since you're not sending mail.\n"); | |
203 | exit(1); | |
204 | } | |
205 | tinit(); | |
206 | if (argp != -1) { | |
207 | commands(); | |
208 | mail(&argv[argp]); | |
209 | ||
210 | /* | |
211 | * why wait? | |
212 | */ | |
213 | ||
214 | exit(senderr); | |
215 | } | |
216 | ||
217 | /* | |
218 | * Ok, we are reading mail. | |
219 | * Decide whether we are editing a mailbox or reading | |
220 | * the system mailbox, and open up the right stuff. | |
221 | */ | |
222 | ||
223 | rcvmode++; | |
224 | if (ef != NOSTR) { | |
225 | edit++; | |
226 | editfile = mailname = ef; | |
83f7d6ec | 227 | } |
0b3c8268 | 228 | if (setfile(mailname, edit) < 0) |
83f7d6ec | 229 | exit(1); |
83f7d6ec KS |
230 | commands(); |
231 | if (!edit) | |
232 | quit(); | |
233 | exit(0); | |
234 | } |