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1.1 root 1: #ifndef lint
2: static char sccsid[] = "@(#)rmail.c 4.8 (Berkeley) 5/15/86";
3: #endif
4:
5: /*
6: ** RMAIL -- UUCP mail server.
7: **
8: ** This program reads the >From ... remote from ... lines that
9: ** UUCP is so fond of and turns them into something reasonable.
10: ** It calls sendmail giving it a -f option built from these
11: ** lines.
12: */
13:
14: # include <stdio.h>
15: # include <sysexits.h>
16:
17: typedef char bool;
18: #define TRUE 1
19: #define FALSE 0
20:
21: extern FILE *popen();
22: extern char *index();
23: extern char *rindex();
24:
25: bool Debug;
26:
27: # define MAILER "/usr/lib/sendmail"
28:
29: main(argc, argv)
30: char **argv;
31: {
32: FILE *out; /* output to sendmail */
33: char lbuf[1024]; /* one line of the message */
34: char from[512]; /* accumulated path of sender */
35: char ufrom[512]; /* user on remote system */
36: char sys[512]; /* a system in path */
37: char junk[1024]; /* scratchpad */
38: char cmd[2000];
39: register char *cp;
40: register char *uf = ufrom; /* ptr into ufrom */
41: int i;
42:
43: # ifdef DEBUG
44: if (argc > 1 && strcmp(argv[1], "-T") == 0)
45: {
46: Debug = TRUE;
47: argc--;
48: argv++;
49: }
50: # endif DEBUG
51:
52: if (argc < 2)
53: {
54: fprintf(stderr, "Usage: rmail user ...\n");
55: exit(EX_USAGE);
56: }
57:
58: (void) strcpy(from, "");
59: (void) strcpy(ufrom, "/dev/null");
60:
61: for (;;)
62: {
63: (void) fgets(lbuf, sizeof lbuf, stdin);
64: if (strncmp(lbuf, "From ", 5) != 0 && strncmp(lbuf, ">From ", 6) != 0)
65: break;
66: (void) sscanf(lbuf, "%s %s", junk, ufrom);
67: cp = lbuf;
68: for (;;)
69: {
70: cp = index(cp+1, 'r');
71: if (cp == NULL)
72: {
73: register char *p = rindex(uf, '!');
74:
75: if (p != NULL)
76: {
77: *p = '\0';
78: (void) strcpy(sys, uf);
79: uf = p + 1;
80: break;
81: }
82: cp = "remote from somewhere";
83: }
84: #ifdef DEBUG
85: if (Debug)
86: printf("cp='%s'\n", cp);
87: #endif
88: if (strncmp(cp, "remote from ", 12)==0)
89: break;
90: }
91: if (cp != NULL)
92: (void) sscanf(cp, "remote from %s", sys);
93: (void) strcat(from, sys);
94: (void) strcat(from, "!");
95: #ifdef DEBUG
96: if (Debug)
97: printf("ufrom='%s', sys='%s', from now '%s'\n", uf, sys, from);
98: #endif
99: }
100: (void) strcat(from, uf);
101:
102: (void) sprintf(cmd, "%s -ee -f%s -i", MAILER, from);
103: while (*++argv != NULL)
104: {
105: (void) strcat(cmd, " '");
106: if (**argv == '(')
107: (void) strncat(cmd, *argv + 1, strlen(*argv) - 2);
108: else
109: (void) strcat(cmd, *argv);
110: (void) strcat(cmd, "'");
111: }
112: #ifdef DEBUG
113: if (Debug)
114: printf("cmd='%s'\n", cmd);
115: #endif
116: out = popen(cmd, "w");
117: fputs(lbuf, out);
118: while (fgets(lbuf, sizeof lbuf, stdin))
119: fputs(lbuf, out);
120: i = pclose(out);
121: if ((i & 0377) != 0)
122: {
123: fprintf(stderr, "pclose: status 0%o\n", i);
124: exit(EX_OSERR);
125: }
126:
127: exit((i >> 8) & 0377);
128: }
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