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#include <err.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 unsigned long
djb2(unsigned char *s, unsigned long hash)
{
int c;
while ((c = *s++))
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
static void
printfeed(FILE *fp, const char *feedname)
{
struct tm tm;
char *fields[FieldLast], timebuf[32];
time_t parsedtime;
unsigned long hash;
ssize_t linelen;
while ((linelen = getline(&line, &linesize, fp)) > 0) {
if (line[linelen - 1] == '\n')
line[--linelen] = '\0';
hash = djb2((unsigned char *)line, 5381UL);
if (!parseline(line, fields))
break;
parsedtime = 0;
if (strtotime(fields[FieldUnixTimestamp], &parsedtime))
continue;
/* mbox + mail header */
printf("From MAILER-DAEMON %s\n", mtimebuf);
/* 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:%S +0000", &tm))
printf("Date: %s\n", timebuf);
else
printf("Date: Thu, 01 Jan 1970 00:00:00 +0000\n");
printf("From: %s <sfeed@>\n", fields[FieldAuthor][0] ? fields[FieldAuthor] : "unknown");
printf("To: %s <%s@%s>\n", user, user, host);
if (feedname[0])
printf("Subject: [%s] %s\n", feedname, fields[FieldTitle]);
else
printf("Subject: %s\n", fields[FieldTitle]);
printf("Message-ID: <%s%s%lu@%s>\n",
fields[FieldUnixTimestamp],
fields[FieldUnixTimestamp][0] ? "." : "",
hash, feedname);
printf("Content-Type: text/plain; charset=\"utf-8\"\n");
printf("Content-Transfer-Encoding: binary\n");
printf("X-Feedname: %s\n\n", feedname);
printf("%s\n", fields[FieldLink]);
if (fields[FieldEnclosure][0])
printf("\nEnclosure:\n%s\n", fields[FieldEnclosure]);
fputs("\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;
}
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