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/*! \file quickmailprog.c
* \brief source file of quickmail(light) application
* \author Brecht Sanders
* \date 2012-2013
* \copyright GPL
*/
/*
This file is part of libquickmail.
libquickmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libquickmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with libquickmail. If not, see <http://www.gnu.org/licenses/>.
*/
/*! \page quickmail quickmail - send e-mail from the command line
\details Send e-mail from the command line.
Features:
- multiple To/Cc/Bcc recipients
- multiple attachments without size limitation
- specifying the MIME-type to use for the message body
\section SYNOPSIS synopsis
quickmail -h server [-p port] [-u username] [-w password] -f email [-t email] [-c email] [-b email] [-s subject] [-m mimetype] [-d body] [-a file] [-v] [-?]
\section OPTIONS options
\verbatim
-h server hostname or IP address of SMTP server
-p port TCP port to use for SMTP connection (default is 25)
-u username username to use for SMTP authentication
-w password password to use for SMTP authentication
-f email From e-mail address
-t email To e-mail address (multiple -t can be specified)
-c email Cc e-mail address (multiple -c can be specified)
-b email Bcc e-mail address (multiple -b can be specified)
-s subject Subject
-m mimetype MIME used for the body (must be specified before -d)
-d body Body, if not specified will be read from standard input
-a file file to attach (multiple -a can be specified)
-v verbose mode
-? show help
\endverbatim
*/
#include "quickmail.h"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#ifndef NOCURL
#include <curl/curl.h>
#endif
void show_help()
{
printf(
"Usage: quickmail {-h server | -o filename} [-p port] [-u username] [-w password] -f email [-t email] [-c email] [-b email] [-s subject] [-m mimetype] [-d body] [-a file] [-v]\n" \
"Parameters:\n" \
" -h server \thostname or IP address of SMTP server\n" \
" -o filename \tname of file to dump the mail content to (- for stdout)\n" \
" -p port \tTCP port to use for SMTP connection (default is 25)\n" \
" -u username \tusername to use for SMTP authentication\n" \
" -w password \tpassword to use for SMTP authentication\n" \
" -f email \tFrom e-mail address\n" \
" -t email \tTo e-mail address (multiple -t can be specified)\n" \
" -c email \tCc e-mail address (multiple -c can be specified)\n" \
" -b email \tBcc e-mail address (multiple -b can be specified)\n" \
" -s subject \tSubject\n" \
" -m mimetype \tMIME used for the body (must be specified before -d)\n" \
" -d body \tbody, if not specified will be read from standard input\n" \
" -a file \tfile to attach (multiple -a can be specified)\n" \
" -v \tverbose mode\n" \
" -? \tshow help\n" \
"\n"
);
}
size_t email_info_attachment_read_stdin (void* handle, void* buf, size_t len)
{
return fread(buf, 1, len, stdin);
}
int main (int argc, char *argv[])
{
//default values
FILE* output_file = NULL;
const char* smtp_server = NULL;
int smtp_port = 25;
const char* smtp_username = NULL;
const char* smtp_password = NULL;
const char* mime_type = NULL;
char* body = NULL;
//show version
#ifdef NOCURL
printf("quickmail %s\n", quickmail_get_version());
#else
{
curl_version_info_data* curlversion = curl_version_info(CURLVERSION_NOW);
printf("quickmail %s (with libcurl %s)\n", quickmail_get_version(), (curlversion ? curlversion->version : curl_version()));
}
#endif
//initialize mail object
quickmail_initialize();
quickmail mailobj = quickmail_create(NULL, NULL);
//process command line parameters
{
int i = 0;
char* param;
int paramerror = 0;
unsigned recipient_count = 0;
while (!paramerror && ++i < argc) {
if (!argv[i][0] || (argv[i][0] != '/' && argv[i][0] != '-')) {
paramerror++;
break;
} else {
param = NULL;
switch (tolower(argv[i][1])) {
case '?' :
show_help();
return 0;
case 'o' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param || !*param || strcmp(param, "-") == 0)
output_file = stdout;
else
if ((output_file = fopen(param, "wb")) == NULL)
fprintf(stderr, "Error writing to file: %s\n", param);
break;
case 'h' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
smtp_server = param;
break;
case 'p' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
smtp_port = atoi(param);
break;
case 'u' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
smtp_username = param;
break;
case 'w' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
smtp_password = param;
break;
case 'f' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
quickmail_set_from(mailobj, param);
break;
case 't' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param) {
paramerror++;
} else {
quickmail_add_to(mailobj, param);
recipient_count++;
}
break;
case 'c' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param) {
paramerror++;
} else {
quickmail_add_cc(mailobj, param);
recipient_count++;
}
break;
case 'b' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param) {
paramerror++;
} else {
quickmail_add_bcc(mailobj, param);
recipient_count++;
}
break;
case 's' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
quickmail_set_subject(mailobj, param);
break;
case 'm' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
mime_type = param;
break;
case 'd' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else if (strcmp(param, "-") != 0)
body = param;
break;
case 'a' :
if (argv[i][2])
param = argv[i] + 2;
else if (i + 1 < argc && argv[i + 1])
param = argv[++i];
if (!param)
paramerror++;
else
quickmail_add_attachment_file(mailobj, param, NULL);
break;
case 'v' :
quickmail_set_debug_log(mailobj, stdout);
break;
default :
paramerror++;
break;
}
}
}
if (paramerror || (!smtp_server && !output_file) || !quickmail_get_from(mailobj)) {
fprintf(stderr, "Invalid command line parameters\n");
show_help();
return 1;
}
if (recipient_count == 0) {
fprintf(stderr, "At least one recipient (To/Cc/Bcc) must be specified\n");
return 1;
}
}
//read body from standard input if not given
if (body) {
quickmail_add_body_memory(mailobj, mime_type, body, strlen(body), 0);
} else {
quickmail_add_body_custom(mailobj, mime_type, NULL, NULL, email_info_attachment_read_stdin, NULL, NULL);
}
mime_type = NULL;
//send e-mail
int status = 0;
if (smtp_server) {
const char* errmsg;
if ((errmsg = quickmail_send(mailobj, smtp_server, smtp_port, smtp_username, smtp_password)) != NULL) {
status = 1;
fprintf(stderr, "Error sending e-mail: %s\n", errmsg);
}
}
//write e-mail body
if (output_file) {
quickmail_fsave(mailobj, output_file);
}
//clean up
quickmail_destroy(mailobj);
return status;
}
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