struct taginfo *cgit_parse_tag(struct tag *tag)
{
void *data;
enum object_type type;
unsigned long size;
const char *p;
struct taginfo *ret = NULL;
data = read_sha1_file(tag->object.oid.hash, &type, &size);
if (!data || type != OBJ_TAG)
goto cleanup;
ret = xcalloc(1, sizeof(struct taginfo));
for (p = data; !end_of_header(p); p = next_header_line(p)) {
if (skip_prefix(p, "tagger ", &p)) {
parse_user(p, &ret->tagger, &ret->tagger_email,
&ret->tagger_date, &ret->tagger_tz);
}
}
while (p && *p == '\n')
p++;
if (p && *p)
ret->msg = xstrdup(p);
cleanup:
free(data);
return ret;
}
int readheaders(int sock,
long fetchlen,
long reallen,
struct query *ctl,
int num,
flag *suppress_readbody)
/* read message headers and ship to SMTP or MDA */
/* sock: to which the server is connected */
/* fetchlen: length of message according to fetch response */
/* reallen: length of message according to getsizes */
/* ctl: query control record */
/* num: index of message */
/* suppress_readbody: whether call to readbody() should be supressed */
{
struct addrblk
{
int offset;
struct addrblk *next;
};
struct addrblk *to_addrchain = NULL;
struct addrblk **to_chainptr = &to_addrchain;
struct addrblk *resent_to_addrchain = NULL;
struct addrblk **resent_to_chainptr = &resent_to_addrchain;
char buf[MSGBUFSIZE+1];
int from_offs, reply_to_offs, resent_from_offs;
int app_from_offs, sender_offs, resent_sender_offs;
int env_offs;
char *received_for, *rcv, *cp;
static char *delivered_to = NULL;
int n, oldlen, ch, remaining, skipcount;
size_t linelen;
int delivered_to_count;
struct idlist *idp;
flag no_local_matches = FALSE;
flag has_nuls;
int olderrs, good_addresses, bad_addresses;
int retain_mail = 0, refuse_mail = 0;
flag already_has_return_path = FALSE;
sizeticker = 0;
has_nuls = FALSE;
msgblk.return_path[0] = '\0';
olderrs = ctl->errcount;
/* read message headers */
msgblk.reallen = reallen;
/*
* We used to free the header block unconditionally at the end of
* readheaders, but it turns out that if close_sink() hits an error
* condition the code for sending bouncemail will actually look
* at the freed storage and coredump...
*/
xfree(msgblk.headers);
free_str_list(&msgblk.recipients);
xfree(delivered_to);
/* initially, no message digest */
memset(ctl->digest, '\0', sizeof(ctl->digest));
received_for = NULL;
from_offs = reply_to_offs = resent_from_offs = app_from_offs =
sender_offs = resent_sender_offs = env_offs = -1;
oldlen = 0;
msgblk.msglen = 0;
skipcount = 0;
delivered_to_count = 0;
ctl->mimemsg = 0;
for (remaining = fetchlen; remaining > 0 || protocol->delimited; )
{
char *line, *rline;
line = (char *)xmalloc(sizeof(buf));
linelen = 0;
line[0] = '\0';
do {
do {
char *sp, *tp;
set_timeout(mytimeout);
if ((n = SockRead(sock, buf, sizeof(buf)-1)) == -1) {
set_timeout(0);
free(line);
return(PS_SOCKET);
}
set_timeout(0);
/*
* Smash out any NULs, they could wreak havoc later on.
* Some network stacks seem to generate these at random,
* especially (according to reports) at the beginning of the
* first read. NULs are illegal in RFC822 format.
*/
for (sp = tp = buf; sp < buf + n; sp++)
if (*sp)
*tp++ = *sp;
*tp = '\0';
n = tp - buf;
} while
(n == 0);
remaining -= n;
linelen += n;
msgblk.msglen += n;
/*
* Try to gracefully handle the case where the length of a
* line exceeds MSGBUFSIZE.
*/
if (n && buf[n-1] != '\n')
{
rline = (char *) realloc(line, linelen + 1);
if (rline == NULL)
{
free (line);
return(PS_IOERR);
}
line = rline;
memcpy(line + linelen - n, buf, n);
line[linelen] = '\0';
ch = ' '; /* So the next iteration starts */
continue;
}
/* lines may not be properly CRLF terminated; fix this for qmail */
/* we don't want to overflow the buffer here */
if (ctl->forcecr && buf[n-1]=='\n' && (n==1 || buf[n-2]!='\r'))
{
char * tcp;
rline = (char *) realloc(line, linelen + 2);
if (rline == NULL)
{
free (line);
return(PS_IOERR);
}
line = rline;
memcpy(line + linelen - n, buf, n - 1);
tcp = line + linelen - 1;
*tcp++ = '\r';
*tcp++ = '\n';
*tcp = '\0';
/* n++; - not used later on */
linelen++;
}
else
{
rline = (char *) realloc(line, linelen + 1);
if (rline == NULL)
{
free (line);
return(PS_IOERR);
}
line = rline;
memcpy(line + linelen - n, buf, n + 1);
}
/* check for end of headers */
if (end_of_header(line))
{
eoh:
if (linelen != strlen (line))
has_nuls = TRUE;
free(line);
goto process_headers;
}
/*
* Check for end of message immediately. If one of your folders
* has been mangled, the delimiter may occur directly after the
* header.
*/
if (protocol->delimited && line[0] == '.' && EMPTYLINE(line+1))
{
if (suppress_readbody)
*suppress_readbody = TRUE;
goto eoh; /* above */
}
/*
* At least one brain-dead website (netmind.com) is known to
* send out robotmail that's missing the RFC822 delimiter blank
* line before the body! Without this check fetchmail segfaults.
* With it, we treat such messages as spam and refuse them.
*
* Frederic Marchal reported in February 2006 that hotmail
* or something improperly wrapped a very long TO header
* (wrapped without inserting whitespace in the continuation
* line) and found that this code thus refused a message
* that should have been delivered.
*
* XXX FIXME: we should probably wrap the message up as
* message/rfc822 attachment and forward to postmaster (Rob
* MacGregor)
*/
if (!refuse_mail
&& !ctl->server.badheader == BHACCEPT
&& !isspace((unsigned char)line[0])
&& !strchr(line, ':'))
{
if (linelen != strlen (line))
has_nuls = TRUE;
if (outlevel > O_SILENT)
report(stdout,
GT_("incorrect header line found - see manpage for bad-header option\n"));
if (outlevel >= O_VERBOSE)
report (stdout, GT_("line: %s"), line);
refuse_mail = 1;
}
/* check for RFC822 continuations */
set_timeout(mytimeout);
ch = SockPeek(sock);
set_timeout(0);
} while
(ch == ' ' || ch == '\t'); /* continuation to next line? */
/* write the message size dots */
if ((outlevel > O_SILENT && outlevel < O_VERBOSE) && linelen > 0)
{
print_ticker(&sizeticker, linelen);
}
/*
* Decode MIME encoded headers. We MUST do this before
* looking at the Content-Type / Content-Transfer-Encoding
* headers (RFC 2046).
*/
if ( ctl->mimedecode )
{
char *tcp;
UnMimeHeader(line);
/* the line is now shorter. So we retrace back till we find
* our terminating combination \n\0, we move backwards to
* make sure that we don't catch some \n\0 stored in the
* decoded part of the message */
for (tcp = line + linelen - 1; tcp > line && (*tcp != 0 || tcp[-1] != '\n'); tcp--);
if (tcp > line) linelen = tcp - line;
}
/* skip processing if we are going to retain or refuse this mail */
if (retain_mail || refuse_mail)
{
free(line);
continue;
}
/* we see an ordinary (non-header, non-message-delimiter) line */
if (linelen != strlen (line))
has_nuls = TRUE;
/*
* The University of Washington IMAP server (the reference
* implementation of IMAP4 written by Mark Crispin) relies
* on being able to keep base-UID information in a special
* message at the head of the mailbox. This message should
* neither be deleted nor forwarded.
*
* An example for such a message is (keep this in so people
* find it when looking where the special code is to handle the
* data):
*
* From MAILER-DAEMON Wed Nov 23 11:38:42 2005
* Date: 23 Nov 2005 11:38:42 +0100
* From: Mail System Internal Data <*****@*****.**>
* Subject: DON'T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA
* Message-ID: <*****@*****.**>
* X-IMAP: 1132742306 0000000001
* Status: RO
*
* This text is part of the internal format of your mail folder, and is not
* a real message. It is created automatically by the mail system software.
* If deleted, important folder data will be lost, and it will be re-created
* with the data reset to initial values.
*
* This message is only visible if a POP3 server that is unaware
* of these UWIMAP messages is used besides UWIMAP or PINE.
*
* We will just check if the first message in the mailbox has an
* X-IMAP: header.
*/
#ifdef POP2_ENABLE
/*
* We disable this check under POP2 because there's no way to
* prevent deletion of the message. So at least we ought to
* forward it to the user so he or she will have some clue
* that things have gone awry.
*/
if (servport("pop2") != servport(protocol->service))
#endif /* POP2_ENABLE */
if (num == 1 && !strncasecmp(line, "X-IMAP:", 7)) {
free(line);
retain_mail = 1;
continue;
}
/*
* This code prevents fetchmail from becoming an accessory after
* the fact to upstream sendmails with the `E' option on. It also
* copes with certain brain-dead POP servers (like NT's) that pass
* through Unix from_ lines.
*
* Either of these bugs can result in a non-RFC822 line at the
* beginning of the headers. If fetchmail just passes it
* through, the client listener may think the message has *no*
* headers (since the first) line it sees doesn't look
* RFC822-conformant) and fake up a set.
*
* What the user would see in this case is bogus (synthesized)
* headers, followed by a blank line, followed by the >From,
* followed by the real headers, followed by a blank line,
* followed by text.
*
* We forestall this lossage by tossing anything that looks
* like an escaped or passed-through From_ line in headers.
* These aren't RFC822 so our conscience is clear...
*/
if (!strncasecmp(line, ">From ", 6) || !strncasecmp(line, "From ", 5))
{
free(line);
continue;
}
/*
* We remove all Delivered-To: headers if dropdelivered is set
* - special care must be taken if Delivered-To: is also used
* as envelope at the same time.
*
* This is to avoid false mail loops errors when delivering
* local messages to and from a Postfix or qmail mailserver.
*/
if (ctl->dropdelivered && !strncasecmp(line, "Delivered-To:", 13))
{
if (delivered_to ||
ctl->server.envelope == STRING_DISABLED ||
!ctl->server.envelope ||
strcasecmp(ctl->server.envelope, "Delivered-To") ||
delivered_to_count != ctl->server.envskip)
free(line);
else
delivered_to = line;
delivered_to_count++;
continue;
}
/*
* If we see a Status line, it may have been inserted by an MUA
* on the mail host, or it may have been inserted by the server
* program after the headers in the transaction stream. This
* can actually hose some new-mail notifiers such as xbuffy,
* which assumes any Status line came from a *local* MDA and
* therefore indicates that the message has been seen.
*
* Some buggy POP servers (including at least the 3.3(20)
* version of the one distributed with IMAP) insert empty
* Status lines in the transaction stream; we'll chuck those
* unconditionally. Nonempty ones get chucked if the user
* turns on the dropstatus flag.
*/
{
char *tcp;
if (!strncasecmp(line, "Status:", 7))
tcp = line + 7;
else if (!strncasecmp(line, "X-Mozilla-Status:", 17))
tcp = line + 17;
else
tcp = NULL;
if (tcp) {
while (*tcp && isspace((unsigned char)*tcp)) tcp++;
if (!*tcp || ctl->dropstatus)
{
free(line);
continue;
}
}
}
if (ctl->rewrite)
line = reply_hack(line, ctl->server.truename, &linelen);
/*
* OK, this is messy. If we're forwarding by SMTP, it's the
* SMTP-receiver's job (according to RFC821, page 22, section
* 4.1.1) to generate a Return-Path line on final delivery.
* The trouble is, we've already got one because the
* mailserver's SMTP thought *it* was responsible for final
* delivery.
*
* Stash away the contents of Return-Path (as modified by reply_hack)
* for use in generating MAIL FROM later on, then prevent the header
* from being saved with the others. In effect, we strip it off here.
*
* If the SMTP server conforms to the standards, and fetchmail gets the
* envelope sender from the Return-Path, the new Return-Path should be
* exactly the same as the original one.
*
* We do *not* want to ignore empty Return-Path headers. These should
* be passed through as a way of indicating that a message should
* not trigger bounces if delivery fails. What we *do* need to do is
* make sure we never try to rewrite such a blank Return-Path. We
* handle this with a check for <> in the rewrite logic above.
*
* Also, if an email has multiple Return-Path: headers, we only
* read the first occurance, as some spam email has more than one
* Return-Path.
*
*/
if ((already_has_return_path==FALSE) && !strncasecmp("Return-Path:", line, 12) && (cp = nxtaddr(line)))
{
char nulladdr[] = "<>";
already_has_return_path = TRUE;
if (cp[0]=='\0') /* nxtaddr() strips the brackets... */
cp=nulladdr;
strncpy(msgblk.return_path, cp, sizeof(msgblk.return_path));
msgblk.return_path[sizeof(msgblk.return_path)-1] = '\0';
if (!ctl->mda) {
free(line);
continue;
}
}
if (!msgblk.headers)
{
oldlen = linelen;
msgblk.headers = (char *)xmalloc(oldlen + 1);
(void) memcpy(msgblk.headers, line, linelen);
msgblk.headers[oldlen] = '\0';
free(line);
line = msgblk.headers;
}
else
{
char *newhdrs;
int newlen;
newlen = oldlen + linelen;
newhdrs = (char *) realloc(msgblk.headers, newlen + 1);
if (newhdrs == NULL) {
free(line);
return(PS_IOERR);
}
msgblk.headers = newhdrs;
memcpy(msgblk.headers + oldlen, line, linelen);
msgblk.headers[newlen] = '\0';
free(line);
line = msgblk.headers + oldlen;
oldlen = newlen;
}
/* find offsets of various special headers */
if (!strncasecmp("From:", line, 5))
from_offs = (line - msgblk.headers);
else if (!strncasecmp("Reply-To:", line, 9))
reply_to_offs = (line - msgblk.headers);
else if (!strncasecmp("Resent-From:", line, 12))
resent_from_offs = (line - msgblk.headers);
else if (!strncasecmp("Apparently-From:", line, 16))
app_from_offs = (line - msgblk.headers);
/*
* Netscape 4.7 puts "Sender: zap" in mail headers. Perverse...
*
* But a literal reading of RFC822 sec. 4.4.2 supports the idea
* that Sender: *doesn't* have to be a working email address.
*
* The definition of the Sender header in RFC822 says, in
* part, "The Sender mailbox specification includes a word
* sequence which must correspond to a specific agent (i.e., a
* human user or a computer program) rather than a standard
* address." That implies that the contents of the Sender
* field don't need to be a legal email address at all So
* ignore any Sender or Resent-Sender lines unless they
* contain @.
*
* (RFC2822 says the contents of Sender must be a valid mailbox
* address, which is also what RFC822 4.4.4 implies.)
*/
else if (!strncasecmp("Sender:", line, 7) && (strchr(line, '@') || strchr(line, '!')))
sender_offs = (line - msgblk.headers);
else if (!strncasecmp("Resent-Sender:", line, 14) && (strchr(line, '@') || strchr(line, '!')))
resent_sender_offs = (line - msgblk.headers);
#ifdef __UNUSED__
else if (!strncasecmp("Message-Id:", line, 11))
{
if (ctl->server.uidl)
{
char id[IDLEN+1];
line[IDLEN+12] = 0; /* prevent stack overflow */
sscanf(line+12, "%s", id);
if (!str_find( &ctl->newsaved, num))
{
struct idlist *newl = save_str(&ctl->newsaved,id,UID_SEEN);
newl->val.status.num = num;
}
}
}
#endif /* __UNUSED__ */
/* if multidrop is on, gather addressee headers */
if (MULTIDROP(ctl))
{
if (!strncasecmp("To:", line, 3)
|| !strncasecmp("Cc:", line, 3)
|| !strncasecmp("Bcc:", line, 4)
|| !strncasecmp("Apparently-To:", line, 14))
{
*to_chainptr = (struct addrblk *)xmalloc(sizeof(struct addrblk));
(*to_chainptr)->offset = (line - msgblk.headers);
to_chainptr = &(*to_chainptr)->next;
*to_chainptr = NULL;
}
else if (!strncasecmp("Resent-To:", line, 10)
|| !strncasecmp("Resent-Cc:", line, 10)
|| !strncasecmp("Resent-Bcc:", line, 11))
{
*resent_to_chainptr = (struct addrblk *)xmalloc(sizeof(struct addrblk));
(*resent_to_chainptr)->offset = (line - msgblk.headers);
resent_to_chainptr = &(*resent_to_chainptr)->next;
*resent_to_chainptr = NULL;
}
else if (ctl->server.envelope != STRING_DISABLED)
{
if (ctl->server.envelope
&& strcasecmp(ctl->server.envelope, "Received"))
{
if (env_offs == -1 && !strncasecmp(ctl->server.envelope,
line,
strlen(ctl->server.envelope)))
{
if (skipcount++ < ctl->server.envskip)
continue;
env_offs = (line - msgblk.headers);
}
}
else if (!received_for && !strncasecmp("Received:", line, 9))
{
if (skipcount++ < ctl->server.envskip)
continue;
received_for = parse_received(ctl, line);
}
}
}
}
process_headers:
if (retain_mail) {
return(PS_RETAINED);
}
if (refuse_mail)
return(PS_REFUSED);
/*
* This is the duplicate-message killer code.
*
* When mail delivered to a multidrop mailbox on the server is
* addressed to multiple people on the client machine, there will
* be one copy left in the box for each recipient. This is not a
* problem if we have the actual recipient address to dispatch on
* (e.g. because we've mined it out of sendmail trace headers, or
* a qmail Delivered-To line, or a declared sender envelope line).
*
* But if we're mining addressees out of the To/Cc/Bcc fields, and
* if the mail is addressed to N people, each recipient will
* get N copies. This is bad when N > 1.
*
* Foil this by suppressing all but one copy of a message with a
* given set of headers.
*
* Note: This implementation only catches runs of successive
* messages with the same ID, but that should be good
* enough. A more general implementation would have to store
* ever-growing lists of seen message-IDs; in a long-running
* daemon this would turn into a memory leak even if the
* implementation were perfect.
*
* Don't mess with this code casually. It would be way too easy
* to break it in a way that blackholed mail. Better to pass
* the occasional duplicate than to do that...
*
* Matthias Andree:
* The real fix however is to insist on Delivered-To: or similar
* headers and require that one copy per recipient be dropped.
* Everything else breaks sooner or later.
*/
if (MULTIDROP(ctl) && msgblk.headers)
{
MD5_CTX context;
MD5Init(&context);
MD5Update(&context, (unsigned char *)msgblk.headers, strlen(msgblk.headers));
MD5Final(ctl->digest, &context);
if (!received_for && env_offs == -1 && !delivered_to)
{
/*
* Hmmm...can MD5 ever yield all zeroes as a hash value?
* If so there is a one in 18-quadrillion chance this
* code will incorrectly nuke the first message.
*/
if (!memcmp(ctl->lastdigest, ctl->digest, DIGESTLEN))
return(PS_REFUSED);
}
memcpy(ctl->lastdigest, ctl->digest, DIGESTLEN);
}
/*
* Hack time. If the first line of the message was blank, with no headers
* (this happens occasionally due to bad gatewaying software) cons up
* a set of fake headers.
*
* If you modify the fake header template below, be sure you don't
* make either From or To address @-less, otherwise the reply_hack
* logic will do bad things.
*/
if (msgblk.headers == (char *)NULL)
{
snprintf(buf, sizeof(buf),
"From: FETCHMAIL-DAEMON\r\n"
"To: %s@%s\r\n"
"Subject: Headerless mail from %s's mailbox on %s\r\n",
user, fetchmailhost, ctl->remotename, ctl->server.truename);
msgblk.headers = xstrdup(buf);
}
/*
* We can now process message headers before reading the text.
* In fact we have to, as this will tell us where to forward to.
*/
/* Check for MIME headers indicating possible 8-bit data */
ctl->mimemsg = MimeBodyType(msgblk.headers, ctl->mimedecode);
#ifdef SDPS_ENABLE
if (ctl->server.sdps && sdps_envfrom)
{
/* We have the real envelope return-path, stored out of band by
* SDPS - that's more accurate than any header is going to be.
*/
strlcpy(msgblk.return_path, sdps_envfrom, sizeof(msgblk.return_path));
free(sdps_envfrom);
} else
#endif /* SDPS_ENABLE */
/*
* If there is a Return-Path address on the message, this was
* almost certainly the MAIL FROM address given the originating
* sendmail. This is the best thing to use for logging the
* message origin (it sets up the right behavior for bounces and
* mailing lists). Otherwise, fall down to the next available
* envelope address (which is the most probable real sender).
* *** The order is important! ***
* This is especially useful when receiving mailing list
* messages in multidrop mode. if a local address doesn't
* exist, the bounce message won't be returned blindly to the
* author or to the list itself but rather to the list manager
* (ex: specified by "Sender:") which is much less annoying. This
* is true for most mailing list packages.
*/
if( !msgblk.return_path[0] ){
char *ap = NULL;
if (resent_sender_offs >= 0 && (ap = nxtaddr(msgblk.headers + resent_sender_offs)));
else if (sender_offs >= 0 && (ap = nxtaddr(msgblk.headers + sender_offs)));
else if (resent_from_offs >= 0 && (ap = nxtaddr(msgblk.headers + resent_from_offs)));
else if (from_offs >= 0 && (ap = nxtaddr(msgblk.headers + from_offs)));
else if (reply_to_offs >= 0 && (ap = nxtaddr(msgblk.headers + reply_to_offs)));
else if (app_from_offs >= 0 && (ap = nxtaddr(msgblk.headers + app_from_offs))) {}
/* multi-line MAIL FROM addresses confuse SMTP terribly */
if (ap && !strchr(ap, '\n')) {
strncpy(msgblk.return_path, ap, sizeof(msgblk.return_path));
msgblk.return_path[sizeof(msgblk.return_path)-1] = '\0';
}
}
/* cons up a list of local recipients */
msgblk.recipients = (struct idlist *)NULL;
accept_count = reject_count = 0;
/* is this a multidrop box? */
if (MULTIDROP(ctl))
{
#ifdef SDPS_ENABLE
if (ctl->server.sdps && sdps_envto)
{
/* We have the real envelope recipient, stored out of band by
* SDPS - that's more accurate than any header is going to be.
*/
find_server_names(sdps_envto, ctl, &msgblk.recipients);
free(sdps_envto);
} else
#endif /* SDPS_ENABLE */
if (env_offs > -1) /* We have the actual envelope addressee */
find_server_names(msgblk.headers + env_offs, ctl, &msgblk.recipients);
else if (delivered_to && ctl->server.envelope != STRING_DISABLED &&
ctl->server.envelope && !strcasecmp(ctl->server.envelope, "Delivered-To"))
{
find_server_names(delivered_to, ctl, &msgblk.recipients);
xfree(delivered_to);
}
else if (received_for)
/*
* We have the Received for addressee.
* It has to be a mailserver address, or we
* wouldn't have got here.
* We use find_server_names() to let local
* hostnames go through.
*/
find_server_names(received_for, ctl, &msgblk.recipients);
else
{
/*
* We haven't extracted the envelope address.
* So check all the "Resent-To" header addresses if
* they exist. If and only if they don't, consider
* the "To" addresses.
*/
register struct addrblk *nextptr;
if (resent_to_addrchain) {
/* delete the "To" chain and substitute it
* with the "Resent-To" list
*/
while (to_addrchain) {
nextptr = to_addrchain->next;
free(to_addrchain);
to_addrchain = nextptr;
}
to_addrchain = resent_to_addrchain;
resent_to_addrchain = NULL;
}
/* now look for remaining adresses */
while (to_addrchain) {
find_server_names(msgblk.headers+to_addrchain->offset, ctl, &msgblk.recipients);
nextptr = to_addrchain->next;
free(to_addrchain);
to_addrchain = nextptr;
}
}
if (!accept_count)
{
no_local_matches = TRUE;
save_str(&msgblk.recipients, run.postmaster, XMIT_ACCEPT);
if (outlevel >= O_DEBUG)
report(stdout,
GT_("no local matches, forwarding to %s\n"),
run.postmaster);
}
}
else /* it's a single-drop box, use first localname */
save_str(&msgblk.recipients, ctl->localnames->id, XMIT_ACCEPT);
/*
* Time to either address the message or decide we can't deliver it yet.
*/
if (ctl->errcount > olderrs) /* there were DNS errors above */
{
if (outlevel >= O_DEBUG)
report(stdout,
GT_("forwarding and deletion suppressed due to DNS errors\n"));
return(PS_TRANSIENT);
}
else
{
/* set up stuffline() so we can deliver the message body through it */
if ((n = open_sink(ctl, &msgblk,
&good_addresses, &bad_addresses)) != PS_SUCCESS)
{
return(n);
}
}
n = 0;
/*
* Some server/sendmail combinations cause problems when our
* synthetic Received line is before the From header. Cope
* with this...
*/
if ((rcv = strstr(msgblk.headers, "Received:")) == (char *)NULL)
rcv = msgblk.headers;
/* handle ">Received:" lines too */
while (rcv > msgblk.headers && rcv[-1] != '\n')
rcv--;
if (rcv > msgblk.headers)
{
char c = *rcv;
*rcv = '\0';
n = stuffline(ctl, msgblk.headers);
*rcv = c;
}
if (!run.invisible && n != -1)
{
/* utter any per-message Received information we need here */
if (ctl->server.trueaddr) {
char saddr[50];
int e;
e = getnameinfo(ctl->server.trueaddr, ctl->server.trueaddr_len,
saddr, sizeof(saddr), NULL, 0,
NI_NUMERICHOST);
if (e)
snprintf(saddr, sizeof(saddr), "(%-.*s)", (int)(sizeof(saddr) - 3), gai_strerror(e));
snprintf(buf, sizeof(buf),
"Received: from %s [%s]\r\n",
ctl->server.truename, saddr);
} else {
snprintf(buf, sizeof(buf),
"Received: from %s\r\n", ctl->server.truename);
}
n = stuffline(ctl, buf);
if (n != -1)
{
/*
* We SHOULD (RFC-2821 sec. 4.4/p. 53) make sure to only use
* IANA registered protocol names here.
*/
snprintf(buf, sizeof(buf),
"\tby %s with %s (fetchmail-%s",
fetchmailhost,
protocol->name,
VERSION);
if (ctl->server.tracepolls)
{
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" polling %s account %s",
ctl->server.pollname,
ctl->remotename);
if (ctl->folder)
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" folder %s",
ctl->folder);
}
snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), ")\r\n");
n = stuffline(ctl, buf);
if (n != -1)
{
buf[0] = '\t';
if (good_addresses == 0)
{
snprintf(buf+1, sizeof(buf)-1, "for <%s> (by default); ",
rcpt_address (ctl, run.postmaster, 0));
}
else if (good_addresses == 1)
{
for (idp = msgblk.recipients; idp; idp = idp->next)
if (idp->val.status.mark == XMIT_ACCEPT)
break; /* only report first address */
if (idp)
snprintf(buf+1, sizeof(buf)-1,
"for <%s>", rcpt_address (ctl, idp->id, 1));
snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf)-1,
" (%s); ",
MULTIDROP(ctl) ? "multi-drop" : "single-drop");
}
else
buf[1] = '\0';
snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%s\r\n",
rfc822timestamp());
n = stuffline(ctl, buf);
}
}
}
if (n != -1)
n = stuffline(ctl, rcv); /* ship out rest of msgblk.headers */
if (n == -1)
{
report(stdout, GT_("writing RFC822 msgblk.headers\n"));
release_sink(ctl);
return(PS_IOERR);
}
if (want_progress())
fputc('#', stdout);
/* write error notifications */
if (no_local_matches || has_nuls || bad_addresses)
{
int errlen = 0;
char errhd[USERNAMELEN + POPBUFSIZE], *errmsg;
errmsg = errhd;
strlcpy(errhd, "X-Fetchmail-Warning: ", sizeof(errhd));
if (no_local_matches)
{
if (reject_count != 1)
strlcat(errhd, GT_("no recipient addresses matched declared local names"), sizeof(errhd));
else
{
for (idp = msgblk.recipients; idp; idp = idp->next)
if (idp->val.status.mark == XMIT_REJECT)
break;
snprintf(errhd+strlen(errhd), sizeof(errhd)-strlen(errhd),
GT_("recipient address %s didn't match any local name"), idp->id);
}
}
if (has_nuls)
{
if (errhd[sizeof("X-Fetchmail-Warning: ")])
snprintf(errhd+strlen(errhd), sizeof(errhd)-strlen(errhd), "; ");
snprintf(errhd+strlen(errhd), sizeof(errhd)-strlen(errhd),
GT_("message has embedded NULs"));
}
if (bad_addresses)
{
if (errhd[sizeof("X-Fetchmail-Warning: ")])
snprintf(errhd+strlen(errhd), sizeof(errhd)-strlen(errhd), "; ");
snprintf(errhd+strlen(errhd), sizeof(errhd)-strlen(errhd),
GT_("SMTP listener rejected local recipient addresses: "));
errlen = strlen(errhd);
for (idp = msgblk.recipients; idp; idp = idp->next)
if (idp->val.status.mark == XMIT_RCPTBAD)
errlen += strlen(idp->id) + 2;
errmsg = (char *)xmalloc(errlen + 3);
strcpy(errmsg, errhd);
for (idp = msgblk.recipients; idp; idp = idp->next)
if (idp->val.status.mark == XMIT_RCPTBAD)
{
strcat(errmsg, idp->id);
if (idp->next)
strcat(errmsg, ", ");
}
}
strcat(errmsg, "\r\n");
/* ship out the error line */
stuffline(ctl, errmsg);
if (errmsg != errhd)
free(errmsg);
}
/* issue the delimiter line */
cp = buf;
*cp++ = '\r';
*cp++ = '\n';
*cp = '\0';
n = stuffline(ctl, buf);
if ((size_t)n == strlen(buf))
return PS_SUCCESS;
else
return PS_SOCKET;
}
int
read_rtsp (sockets * s)
{
char *arg[50];
int cseq, la, i, rlen;
char *proto, *transport = NULL, *useragent = NULL;
int sess_id = 0;
char buf[2000];
streams *sid = get_sid(s->sid);
if(s->buf[0]==0x24 && s->buf[1]<2)
{
if(sid)
sid->rtime = s->rtime;
int rtsp_len = s->buf[2]*256+s->buf[3];
LOG("Received RTSP over tcp packet (sock_id %d, stream %d, rlen %d) packet len: %d, type %02X %02X discarding %s...",
s->id, s->sid, s->rlen, rtsp_len , s->buf[4], s->buf[5], (s->rlen == rtsp_len+4)?"complete":"fragment" );
if(s->rlen == rtsp_len+4){ // we did not receive the entire packet
s->rlen = 0;
return 0;
}
}
if (s->rlen < 4 || !end_of_header(s->buf + s->rlen - 4))
{
if( s->rlen > RBUF - 10 )
{
LOG("Discarding %d bytes from the socket buffer, request > %d, consider increasing RBUF", s->rlen, RBUF);
s->rlen = 0;
}
LOG("read_rtsp: read %d bytes from handle %d, sock_id %d, flags %d not ending with \\r\\n\\r\\n", s->rlen, s->sock, s->id, s->flags);
if ( s->flags & 1 )
return 0;
unsigned char *new_alloc = malloc1 (RBUF);
memcpy(new_alloc, s->buf, s->rlen);
s->buf = new_alloc;
s->flags = s->flags | 1;
return 0;
}
rlen = s->rlen;
s->rlen = 0;
LOG ("read RTSP (from handle %d sock_id %d, len: %d, sid %d):\n%s", s->sock, s->id, s->rlen, s->sid, s->buf);
if( (s->type != TYPE_HTTP ) && (strncasecmp(s->buf, "GET", 3) == 0))
{
http_response (s , 404, NULL, NULL, 0, 0);
return 0;
}
la = split (arg, s->buf, 50, ' ');
cseq = 0;
if (la<2)
LOG_AND_RETURN(0, "Most likely not an RTSP packet sock_id: %d sid: %d rlen: %d, dropping ....", s->id, s->sid, rlen);
if(s->sid<0)
for (i = 0; i < la; i++)
if (strncasecmp ("Session:", arg[i], 8) == 0)
{
sess_id = map_int(header_parameter(arg, i), NULL);
s->sid = find_session_id(sess_id);
}
if(strstr(arg[1], "freq") || strstr(arg[1], "pids"))
{
int old_sid = s->sid;
sid = (streams *) setup_stream (arg[1], s);
}
sid = get_sid(s->sid);
if(sid)
sid->rtime = s->rtime;
if (sess_id)
set_session_id(s->sid, sess_id);
for (i = 0; i < la; i++)
if (strncasecmp ("CSeq:", arg[i], 5) == 0)
cseq = map_int (header_parameter(arg, i), NULL);
else if (strncasecmp ("Transport:", arg[i], 9) == 0){
transport = header_parameter(arg, i);
if( -1 == decode_transport (s, transport, opts.rrtp, opts.start_rtp))
{
http_response (s, 400, NULL, NULL, cseq, 0);
return 0;
}
}
else if (strstr (arg[i], "LIVE555"))
{
if(sid) sid->timeout = 0;
}
else if (strstr (arg[i], "Lavf"))
{
if(sid) sid->timeout = 0;
}
else if (strncasecmp ("User-Agent:", arg[i], 10) == 0)
useragent = header_parameter(arg, i);
if((strncasecmp (arg[0], "PLAY", 4) == 0) || (strncasecmp (arg[0], "GET", 3) == 0) || (strncasecmp (arg[0], "SETUP", 5) == 0))
{
char ra[100];
int rv;
if (!( sid = get_sid(s->sid)))
{
http_response (s, 454, NULL, NULL, cseq, 0);
return 0;
}
if (useragent)
strncpy(sid->useragent, useragent, 127);
if ((strncasecmp (arg[0], "PLAY", 3) == 0) || (strncasecmp (arg[0], "GET", 3) == 0))
if ((rv = start_play (sid, s)) < 0)
{
http_response (s, -rv , NULL, NULL, cseq, 0);
return 0;
}
strcpy(ra, inet_ntoa (sid->sa.sin_addr));
buf[0] = 0;
if(transport)
{
int s_timeout = (sid->timeout ? sid->timeout : opts.timeout_sec) / 1000;
switch (sid->type)
{
case STREAM_RTSP_UDP:
if (atoi (ra) < 239)
snprintf (buf, sizeof(buf), "Transport: RTP/AVP;unicast;destination=%s;source=%s;client_port=%d-%d;server_port=%d-%d\r\nSession: %010d;timeout=%d\r\ncom.ses.streamID: %d",
ra, get_sock_host (s->sock), ntohs (sid->sa.sin_port), ntohs (sid->sa.sin_port) + 1,
// opts.start_rtp, opts.start_rtp + 1,
get_sock_port(sid->rsock), get_sock_port(sid->rtcp),
get_session_id (s->sid), s_timeout, sid->sid + 1);
else
snprintf (buf, sizeof(buf), "Transport: RTP/AVP;multicast;destination=%s;port=%d-%d\r\nSession: %010d;timeout=%d\r\ncom.ses.streamID: %d",
ra, ntohs (sid->sa.sin_port), ntohs (sid->sa.sin_port) + 1,
get_session_id (s->sid), s_timeout , sid->sid + 1);
break;
case STREAM_RTSP_TCP:
snprintf(buf, sizeof(buf), "Transport: RTP/AVP/TCP;interleaved=0-1\r\nSession: %010d;timeout=%d\r\ncom.ses.streamID: %d",
get_session_id (s->sid), s_timeout, sid->sid + 1);
break;
}
}
if (strncasecmp(arg[0], "PLAY", 4) == 0)
{
char *qm = strchr(arg[1], '?');
if(qm)
*qm = 0;
if(buf[0])
strcat(buf, "\r\n");
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf) - 1, "RTP-Info: url=%s;seq=%d;rtptime=%lld\r\nRange: npt=0.000-", arg[1], getTick(),(long long int)(getTickUs()/1000000));
}
if(buf[0]==0 && sid->type == STREAM_HTTP)
snprintf(buf, sizeof(buf), "Content-Type: video/mp2t");
http_response (s, 200, buf, NULL, cseq, 0);
}
else if (strncmp (arg[0], "TEARDOWN", 8) == 0)
{
streams *sid;
buf[0] = 0;
if(get_sid(s->sid))
sprintf(buf, "Session: %010d", get_session_id(s->sid));
close_stream (s->sid);
http_response (s, 200, buf, NULL, cseq, 0);
}
else
{
if (strncmp (arg[0], "DESCRIBE", 8) == 0)
{
char sbuf[1000];
char *rv = NULL;
rv = describe_streams(s, arg[1], sbuf, sizeof(sbuf));
if (! rv)
{
http_response (s, 404, NULL, NULL, cseq, 0);
return 0;
}
snprintf(buf, sizeof(buf), "Content-type: application/sdp\r\nContent-Base: rtsp://%s/", get_sock_host(s->sock));
http_response (s, 200, buf, sbuf, cseq, 0);
}
else if (strncmp (arg[0], "OPTIONS", 8) == 0)
{
http_response (s, 200, public, NULL, cseq, 0);
}
}
struct commitinfo *cgit_parse_commit(struct commit *commit)
{
const int sha1hex_len = 40;
struct commitinfo *ret;
const char *p = get_cached_commit_buffer(commit, NULL);
const char *t;
ret = xcalloc(1, sizeof(struct commitinfo));
ret->commit = commit;
if (!p)
return ret;
if (!skip_prefix(p, "tree ", &p))
die("Bad commit: %s", oid_to_hex(&commit->object.oid));
p += sha1hex_len + 1;
while (skip_prefix(p, "parent ", &p))
p += sha1hex_len + 1;
if (p && skip_prefix(p, "author ", &p)) {
parse_user(p, &ret->author, &ret->author_email,
&ret->author_date, &ret->author_tz);
p = next_header_line(p);
}
if (p && skip_prefix(p, "committer ", &p)) {
parse_user(p, &ret->committer, &ret->committer_email,
&ret->committer_date, &ret->committer_tz);
p = next_header_line(p);
}
if (p && skip_prefix(p, "encoding ", &p)) {
t = strchr(p, '\n');
if (t) {
ret->msg_encoding = substr(p, t + 1);
p = t + 1;
}
}
if (!ret->msg_encoding)
ret->msg_encoding = xstrdup("UTF-8");
while (!end_of_header(p))
p = next_header_line(p);
while (p && *p == '\n')
p++;
if (!p)
return ret;
t = strchrnul(p, '\n');
ret->subject = substr(p, t);
while (*t == '\n')
t++;
ret->msg = xstrdup(t);
reencode(&ret->author, ret->msg_encoding, PAGE_ENCODING);
reencode(&ret->author_email, ret->msg_encoding, PAGE_ENCODING);
reencode(&ret->committer, ret->msg_encoding, PAGE_ENCODING);
reencode(&ret->committer_email, ret->msg_encoding, PAGE_ENCODING);
reencode(&ret->subject, ret->msg_encoding, PAGE_ENCODING);
reencode(&ret->msg, ret->msg_encoding, PAGE_ENCODING);
return ret;
}