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
147
148
149
150
151
152
153
154
|
#include <sys/types.h>
#include <err.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "util.h"
static char *line;
static size_t linesize;
static char host[256], *user, mtimebuf[32];
static const uint32_t seed = 1167266473;
/* Unescape / decode fields printed by string_print_encoded()
* "\\" to "\", "\t", to TAB, "\n" to newline. Unrecognised escape sequences
* are ignored: "\z" etc. Mangle "From " in mboxrd style (always prefix >). */
static void
printcontent(const char *s, FILE *fp)
{
if (!strncmp(s, "From ", 5))
fputc('>', fp);
read:
for (; *s; s++) {
switch (*s) {
case '\\':
switch (*(++s)) {
case '\0': return; /* ignore */
case '\\': fputc('\\', fp); break;
case 't': fputc('\t', fp); break;
case 'n':
fputc('\n', fp);
for (s++; *s == '>'; s++)
fputc('>', fp);
/* escape "From ", mboxrd-style. */
if (!strncmp(s, "From ", 5))
fputc('>', fp);
goto read;
}
break;
case '\n':
fputc((int)*s, fp);
for (s++; *s == '>'; s++)
fputc('>', fp);
/* escape "From ", mboxrd-style. */
if (!strncmp(s, "From ", 5))
fputc('>', fp);
goto read;
default:
fputc((int)*s, fp);
}
}
}
static void
printfeed(FILE *fp, const char *feedname)
{
struct tm tm;
char *fields[FieldLast], timebuf[32];
time_t parsedtime;
ssize_t linelen;
while ((linelen = getline(&line, &linesize, fp)) > 0) {
if (line[linelen - 1] == '\n')
line[--linelen] = '\0';
if (!parseline(line, fields))
break;
parsedtime = 0;
strtotime(fields[FieldUnixTimestamp], &parsedtime);
/* can't convert: default to formatted time for time_t 0. */
if (!gmtime_r(&parsedtime, &tm) ||
!strftime(timebuf, sizeof(timebuf),
"%a, %d %b %Y %H:%M +0000", &tm))
strlcpy(timebuf, "Thu, 01 Jan 1970 00:00 +0000",
sizeof(timebuf));
/* mbox + mail header */
printf("From MAILER-DAEMON %s\n"
"Date: %s\n"
"From: %s <sfeed@>\n"
"To: %s <%s@%s>\n"
"Subject: %s\n"
"Message-ID: <%s%s%"PRIu32"@%s>\n"
"Content-Type: text/%s; charset=UTF-8\n"
"Content-Transfer-Encoding: binary\n"
"X-Feedname: %s\n"
"\n",
mtimebuf, timebuf,
fields[FieldAuthor][0] ? fields[FieldAuthor] : "anonymous",
user, user, host, fields[FieldTitle],
fields[FieldUnixTimestamp],
fields[FieldUnixTimestamp][0] ? "." : "",
murmur3_32(line, (size_t)linelen, seed),
feedname[0] ? feedname : "unnamed",
fields[FieldContentType], feedname);
if (!strcmp(fields[FieldContentType], "html")) {
fputs("<p>Link: <a href=\"", stdout);
xmlencode(fields[FieldLink], stdout);
fputs("\">", stdout);
fputs(fields[FieldLink], stdout);
fputs("</a></p>\n\n", stdout);
printcontent(fields[FieldContent], stdout);
} else {
printf("Link: %s\n\n", fields[FieldLink]);
printcontent(fields[FieldContent], stdout);
}
fputs("\n\n", stdout);
}
}
int
main(int argc, char *argv[])
{
struct tm tm;
time_t t;
FILE *fp;
char *name;
int i;
if (pledge(argc == 1 ? "stdio" : "stdio rpath", NULL) == -1)
err(1, "pledge");
if (!(user = getenv("USER")))
user = "you";
if (gethostname(host, sizeof(host)) == -1)
err(1, "gethostname");
if ((t = time(NULL)) == -1)
err(1, "time");
if (!gmtime_r(&t, &tm))
errx(1, "gmtime_r: can't get current time");
if (!strftime(mtimebuf, sizeof(mtimebuf), "%a %b %d %H:%M:%S %Y", &tm))
errx(1, "strftime: can't format current time");
if (argc == 1) {
printfeed(stdin, "");
} else {
for (i = 1; i < argc; i++) {
if (!(fp = fopen(argv[i], "r")))
err(1, "fopen: %s", argv[i]);
name = ((name = strrchr(argv[i], '/'))) ? name + 1 : argv[i];
printfeed(fp, name);
if (ferror(fp))
err(1, "ferror: %s", argv[i]);
fclose(fp);
}
}
return 0;
}
|
