int i;
int local_part_length = Ustrlen(addr2->local_part);
uschar *s;
+ int ret;
- (void)write(pfd[pipe_write], (void *)&(addr2->transport_return), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&transport_count, sizeof(transport_count));
- (void)write(pfd[pipe_write], (void *)&(addr2->flags), sizeof(addr2->flags));
- (void)write(pfd[pipe_write], (void *)&(addr2->basic_errno), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&(addr2->more_errno), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&(addr2->special_action), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&(addr2->transport),
- sizeof(transport_instance *));
+ if( (ret = write(pfd[pipe_write], (void *)&(addr2->transport_return), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&transport_count, sizeof(transport_count))) != sizeof(transport_count)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->flags), sizeof(addr2->flags))) != sizeof(addr2->flags)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->basic_errno), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->more_errno), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->special_action), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->transport),
+ sizeof(transport_instance *))) != sizeof(transport_instance *)
/* For a file delivery, pass back the local part, in case the original
was only part of the final delivery path. This gives more complete
logging. */
- if (testflag(addr2, af_file))
- {
- (void)write(pfd[pipe_write], (void *)&local_part_length, sizeof(int));
- (void)write(pfd[pipe_write], addr2->local_part, local_part_length);
- }
+ || (testflag(addr2, af_file)
+ && ( (ret = write(pfd[pipe_write], (void *)&local_part_length, sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], addr2->local_part, local_part_length)) != local_part_length
+ )
+ )
+ )
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ ret == -1 ? strerror(errno) : "short write");
/* Now any messages */
for (i = 0, s = addr2->message; i < 2; i++, s = addr2->user_message)
{
int message_length = (s == NULL)? 0 : Ustrlen(s) + 1;
- (void)write(pfd[pipe_write], (void *)&message_length, sizeof(int));
- if (message_length > 0) (void)write(pfd[pipe_write], s, message_length);
+ if( (ret = write(pfd[pipe_write], (void *)&message_length, sizeof(int))) != sizeof(int)
+ || (message_length > 0 && (ret = write(pfd[pipe_write], s, message_length)) != message_length)
+ )
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ ret == -1 ? strerror(errno) : "short write");
}
}
+static void
+rmt_dlv_checked_write(int fd, void * buf, int size)
+{
+int ret = write(fd, buf, size);
+if(ret != size)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Failed writing transport result to pipe: %s\n",
+ ret == -1 ? strerror(errno) : "short write");
+}
+
/*************************************************
* Do remote deliveries *
*************************************************/
{
if (h->address == NULL || h->status < hstatus_unusable) continue;
sprintf(CS big_buffer, "H%c%c%s", h->status, h->why, h->address);
- (void)write(fd, big_buffer, Ustrlen(big_buffer+3) + 4);
+ rmt_dlv_checked_write(fd, big_buffer, Ustrlen(big_buffer+3) + 4);
}
/* The number of bytes written. This is the same for each address. Even
big_buffer[0] = 'S';
memcpy(big_buffer+1, &transport_count, sizeof(transport_count));
- (void)write(fd, big_buffer, sizeof(transport_count) + 1);
+ rmt_dlv_checked_write(fd, big_buffer, sizeof(transport_count) + 1);
/* Information about what happened to each address. Four item types are
used: an optional 'X' item first, for TLS information, then an optional "C"
sprintf(CS ptr, "%.512s", addr->peerdn);
while(*ptr++);
}
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
#endif
ptr = big_buffer;
sprintf(CS big_buffer, "C1%.64s", client_authenticator);
while(*ptr++);
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
if (client_authenticated_id)
{
ptr = big_buffer;
sprintf(CS big_buffer, "C2%.64s", client_authenticated_id);
while(*ptr++);
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
if (client_authenticated_sender)
{
ptr = big_buffer;
sprintf(CS big_buffer, "C3%.64s", client_authenticated_sender);
while(*ptr++);
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
/* Retry information: for most success cases this will be null. */
sprintf(CS ptr, "%.512s", r->message);
while(*ptr++);
}
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
/* The rest of the information goes in an 'A' item. */
memcpy(ptr, &(addr->host_used->port), sizeof(addr->host_used->port));
ptr += sizeof(addr->host_used->port);
}
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
/* Add termination flag, close the pipe, and that's it. The character
big_buffer[0] = 'Z';
big_buffer[1] = (continue_transport == NULL)? '0' : '1';
- (void)write(fd, big_buffer, 2);
+ rmt_dlv_checked_write(fd, big_buffer, 2);
(void)close(fd);
exit(EXIT_SUCCESS);
}
that the mode is correct - the group setting doesn't always seem to get
set automatically. */
- (void)fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC);
- (void)fchown(journal_fd, exim_uid, exim_gid);
- (void)fchmod(journal_fd, SPOOL_MODE);
+ if( fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC)
+ || fchown(journal_fd, exim_uid, exim_gid)
+ || fchmod(journal_fd, SPOOL_MODE)
+ )
+ {
+ int ret = Uunlink(spoolname);
+ log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't set perms on journal file %s: %s",
+ spoolname, strerror(errno));
+ if(ret && errno != ENOENT)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
+ spoolname, strerror(errno));
+ return DELIVER_NOT_ATTEMPTED;
+ }
}
+
/* Now we can get down to the business of actually doing deliveries. Local
deliveries are done first, then remote ones. If ever the problems of how to
handle fallback transports are figured out, this section can be put into a loop
git://git.exim.org / exim.git / blobdiff