1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
#include <sys/stat.h>
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "blaze822.h"
static int Sflag;
static int status;
void
export(char *file)
{
struct message *msg;
while (*file == ' ' || *file == '\t')
file++;
FILE *infile = fopen(file, "r");
if (!infile) {
status = 1;
fprintf(stderr, "mexport: error opening '%s': %s\n",
file, strerror(errno));
return;
}
char from[1024] = "nobody";
time_t date = -1;
if (fseek(infile, 0L, SEEK_SET) && errno == ESPIPE) {
date = time(0);
memcpy(from, "stdin", 6);
} else {
msg = blaze822(file);
if (!msg)
return;
char *v;
if ((v = blaze822_hdr(msg, "return-path")) ||
(v = blaze822_hdr(msg, "x-envelope-from"))) {
char *s = strchr(v, '<');
char *e = strchr(s, '>');
if (s && e) {
s++;
memcpy(from, s, e-s);
from[e-s] = 0;
}
}
if ((v = blaze822_hdr(msg, "date"))) {
date = blaze822_date(v);
}
blaze822_free(msg);
}
char *line = 0;
size_t linelen = 0;
printf("From %s %s", from, ctime(&date));
int in_header = 1;
int final_nl = 0;
while (1) {
errno = 0;
ssize_t rd = getdelim(&line, &linelen, '\n', infile);
if (rd == -1) {
if (errno == 0)
break;
fprintf(stderr, "mexport: error reading '%s': %s\n",
file, strerror(errno));
status = 1;
return;
}
if (in_header && line[0] == '\n' && !line[1]) {
if (Sflag) {
char *flags = strstr(file, ":2,");
if (!flags)
flags = "";
fputs("Status: ", stdout);
if (strchr(flags, 'S'))
putchar('R');
char *ee = strrchr(file, '/');
if (!ee ||
!(ee >= file + 3 && ee[-3] == 'n' && ee[-2] == 'e' && ee[-1] == 'w'))
putchar('O');
putchar('\n');
fputs("X-Status: ", stdout);
if (strchr(flags, 'R')) putchar('A');
if (strchr(flags, 'T')) putchar('D');
if (strchr(flags, 'F')) putchar('F');
putchar('\n');
}
in_header = 0;
}
// MBOXRD: add first > to >>..>>From
char *s = line;
while (*s == '>')
s++;
if (strncmp("From ", s, 5) == 0)
putchar('>');
fputs(line, stdout);
final_nl = (line[rd-1] == '\n');
}
// ensure trailing newline
if (!final_nl)
putchar('\n');
fclose(infile);
}
int
main(int argc, char *argv[])
{
int c;
while ((c = getopt(argc, argv, "S")) != -1)
switch(c) {
case 'S': Sflag = 1; break;
default:
fprintf(stderr, "Usage: mexport [-S] [msgs...]\n");
exit(2);
}
status = 0;
if (argc == optind && isatty(0))
blaze822_loop1(":", export);
else
blaze822_loop(argc-optind, argv+optind, export);
return status;
}
|
