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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2012-09-17 18:18:44 +00:00
commit 57623d42eb
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apps/netutils/smtp/Kconfig
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#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
config NETUTILS_SMTP
bool "SMTP"
default n
---help---
Enable support for SMTP.
if NETUTILS_SMTP
endif
apps/netutils/smtp/Makefile
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############################################################################
# apps/netutils/smtp/Makefile
#
# Copyright (C) 2011 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
include $(APPDIR)/Make.defs
# SMTP Library
ASRCS =
CSRCS =
ifeq ($(CONFIG_NET_TCP),y)
CSRCS += smtp.c
endif
AOBJS = $(ASRCS:.S=$(OBJEXT))
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
ifeq ($(WINTOOL),y)
BIN = "${shell cygpath -w $(APPDIR)/libapps$(LIBEXT)}"
else
BIN = "$(APPDIR)/libapps$(LIBEXT)"
endif
ROOTDEPPATH = --dep-path .
# Common build
VPATH =
all: .built
.PHONY: context depend clean distclean
$(AOBJS): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
.built: $(OBJS)
@( for obj in $(OBJS) ; do \
$(call ARCHIVE, $(BIN), $${obj}); \
done ; )
@touch .built
context:
.depend: Makefile $(SRCS)
@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
@touch $@
depend: .depend
clean:
@rm -f *.o *~ .*.swp .built
$(call CLEAN)
distclean: clean
@rm -f Make.dep .depend
-include Make.dep
apps/netutils/smtp/smtp.c
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/****************************************************************************
* apps/netutitls/smtp/smtp.c
* smtp SMTP E-mail sender
*
* Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Heavily leveraged from uIP 1.0 which also has a BSD-like license:
*
* The Simple Mail Transfer Protocol (SMTP) as defined by RFC821 is
* the standard way of sending and transfering e-mail on the
* Internet. This simple example implementation is intended as an
* example of how to implement protocols in uIP, and is able to send
* out e-mail but has not been extensively tested.
*
* Author: Adam Dunkels <adam@dunkels.com>
* Copyright (c) 2004, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <semaphore.h>
#include <sys/socket.h>
#include <nuttx/net/uip/uip.h>
#include <apps/netutils/smtp.h>
/****************************************************************************
* Definitions
****************************************************************************/
#define SMTP_INPUT_BUFFER_SIZE 512
#define ISO_nl 0x0a
#define ISO_cr 0x0d
#define ISO_period 0x2e
#define ISO_2 0x32
#define ISO_3 0x33
#define ISO_4 0x34
#define ISO_5 0x35
/****************************************************************************
* Private Types
****************************************************************************/
/* This structure represents the state of a single SMTP transaction */
struct smtp_state
{
uint8_t state;
bool connected;
sem_t sem;
uip_ipaddr_t smtpserver;
const char *localhostname;
const char *to;
const char *cc;
const char *from;
const char *subject;
const char *msg;
int msglen;
int sentlen;
int textlen;
int sendptr;
char buffer[SMTP_INPUT_BUFFER_SIZE];
};
/****************************************************************************
* Private Data
****************************************************************************/
static const char g_smtp220[] = "220";
static const char g_smtpcrnlperiodcrnl[] = "\r\n.\r\n";
static const char g_smtpdata[] = "DATA\r\n";
static const char g_smtpfrom[] = "From: ";
static const char g_smtphelo[] = "HELO ";
static const char g_smtpmailfrom[] = "MAIL FROM: ";
static const char g_smtpquit[] = "QUIT\r\n";
static const char g_smtprcptto[] = "RCPT TO: ";
static const char g_smtpsubject[] = "Subject: ";
static const char g_smtpto[] = "To: ";
/****************************************************************************
* Private Functions
****************************************************************************/
static inline int smtp_send_message(int sockfd, struct smtp_state *psmtp)
{
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (strncmp(psmtp->buffer, g_smtp220, strlen(g_smtp220)) != 0)
{
return ERROR;
}
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtphelo, psmtp->localhostname);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (psmtp->buffer[0] != ISO_2)
{
return ERROR;
}
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtpmailfrom, psmtp->from);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (psmtp->buffer[0] != ISO_2)
{
return ERROR;
}
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtprcptto, psmtp->to);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (psmtp->buffer[0] != ISO_2)
{
return ERROR;
}
if (psmtp->cc != 0)
{
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtprcptto, psmtp->cc);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (psmtp->buffer[0] != ISO_2)
{
return ERROR;
}
}
if (send(sockfd, g_smtpdata, strlen(g_smtpdata), 0) < 0)
{
return ERROR;
}
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (psmtp->buffer[0] != ISO_3)
{
return ERROR;
}
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtpto, psmtp->to);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
if (psmtp->cc != 0)
{
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtpto, psmtp->cc);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
}
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtpfrom, psmtp->from);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
snprintf(psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, "%s%s\r\n", g_smtpsubject, psmtp->subject);
if (send(sockfd, psmtp->buffer, strlen(psmtp->buffer), 0) < 0)
{
return ERROR;
}
if (send(sockfd, psmtp->msg, psmtp->msglen, 0) < 0)
{
return ERROR;
}
if (send(sockfd, g_smtpcrnlperiodcrnl, strlen(g_smtpcrnlperiodcrnl), 0) < 0)
{
return ERROR;
}
if (recv(sockfd, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE, 0) < 0)
{
return ERROR;
}
if (psmtp->buffer[0] != ISO_2)
{
return ERROR;
}
if (send(sockfd, g_smtpquit, strlen(g_smtpquit), 0) < 0)
{
return ERROR;
}
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/* Specificy an SMTP server and hostname.
*
* This function is used to configure the SMTP module with an SMTP server and
* the hostname of the host.
*
* lhostname - The hostname of the local, uIP host.
*
* paddr - A pointer to the IP address of the SMTP server to be
* configured.
*/
void smtp_configure(void *handle, const char *lhostname,
const uip_ipaddr_t *paddr)
{
struct smtp_state *psmtp = (struct smtp_state *)handle;
psmtp->localhostname = lhostname;
uip_ipaddr_copy(psmtp->smtpserver, paddr);
}
/* Send an e-mail.
*
* to - The e-mail address of the receiver of the e-mail.
* cc - The e-mail address of the CC: receivers of the e-mail.
* from - The e-mail address of the sender of the e-mail.
* subject - The subject of the e-mail.
* msg - The actual e-mail message.
* msglen - The length of the e-mail message.
*/
int smtp_send(void *handle, const char *to, const char *cc, const char *from,
const char *subject, const char *msg, int msglen)
{
struct smtp_state *psmtp = (struct smtp_state *)handle;
struct sockaddr_in server;
int sockfd;
int ret;
/* Setup */
psmtp->connected = true;
psmtp->to = to;
psmtp->cc = cc;
psmtp->from = from;
psmtp->subject = subject;
psmtp->msg = msg;
psmtp->msglen = msglen;
/* Create a socket */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
{
return ERROR;
}
/* Connect to server. First we have to set some fields in the
* 'server' structure. The system will assign me an arbitrary
* local port that is not in use.
*/
server.sin_family = AF_INET;
memcpy(&server.sin_addr.s_addr, &psmtp->smtpserver, sizeof(in_addr_t));
server.sin_port = HTONS(25);
if (connect(sockfd, (struct sockaddr *)&server, sizeof(struct sockaddr_in)) < 0)
{
close(sockfd);
return ERROR;
}
/* Send the message */
ret = smtp_send_message(sockfd, psmtp);
close(sockfd);
return ret;
}
void *smtp_open(void)
{
/* Allocate the handle */
struct smtp_state *psmtp = (struct smtp_state *)malloc(sizeof(struct smtp_state));
if (psmtp)
{
/* Initialize the handle */
memset(psmtp, 0, sizeof(struct smtp_state));
(void)sem_init(&psmtp->sem, 0, 0);
}
return (void*)psmtp;
}
void smtp_close(void *handle)
{
struct smtp_state *psmtp = (struct smtp_state *)handle;
if (psmtp)
{
sem_destroy(&psmtp->sem);
free(psmtp);
}
}