void my_cmd2(char **com, int const cfd)
{
if (strcmp(com[0], "/part") == 0)
cmd_part(com, cfd);
else if (strcmp(com[0], "/list") == 0)
cmd_list(com, cfd);
else if (strcmp(com[0], "/quit") == 0)
cmd_quit(com, cfd);
else if (strcmp(com[0], "/users") == 0)
cmd_users(com, cfd);
else if (strcmp(com[0], "/msg") == 0)
cmd_mp(com, cfd);
else if (strcmp(com[0], "/topic") == 0)
cmd_topic(com, cfd);
else if (strcmp(com[0], "/kick") == 0)
cmd_kick(com, cfd);
else if (strcmp(com[0], "/kill") == 0)
cmd_kill(com, cfd);
else if (strcmp(com[0], "/ping") == 0)
dprintf(cfd, "PING \r\n");
else
cmd_msg(com, cfd);
}
/* 发送信体头信息 */
int send_mail_header(int sockfd, st_mail_msg *msg) {
//发件人为空
if (!msg->from) {
return 0;
}
cmd_msg(sockfd, NULL, NULL);
//用户名密码登录
if (msg->authorization == AUTH_SEND_MAIL) {
char ehlo_cmd[8 + strlen(msg->server)];
//握手
sprintf(ehlo_cmd, "EHLO %s\r\n", msg->server);
if (!cmd_msg(sockfd, ehlo_cmd, "250 ")) {
return 0;
}
//登录
if (!cmd_msg(sockfd, "AUTH LOGIN\r\n", "334")) {
return 0;
}
char *b6_user = NULL;
char *b6_pswd = NULL;
//用户名加密
base64_encoder(msg->auth_user, strlen(msg->auth_user), &b6_user);
if (b6_user == NULL) {
return 0;
}
//密码加密
base64_encoder(msg->auth_passwd, strlen(msg->auth_passwd), &b6_pswd);
if (b6_pswd == NULL) {
free(b6_user);
return 0;
}
char b6_user_cmd[strlen(b6_user) + 3];
char b6_pswd_cmd[strlen(b6_pswd) + 3];
sprintf(b6_user_cmd, "%s\r\n", b6_user);
sprintf(b6_pswd_cmd, "%s\r\n", b6_pswd);
//发送用户名
if (!cmd_msg(sockfd, b6_user_cmd, "334")) {
free(b6_user);
free(b6_pswd);
return 0;
}
//发送密码
if (!cmd_msg(sockfd, b6_pswd_cmd, "235")) {
free(b6_user);
free(b6_pswd);
return 0;
}
free(b6_user);
free(b6_pswd);
b6_user = NULL;
b6_pswd = NULL;
} else {
char helo_cmd[8 + strlen(msg->server)];
sprintf(helo_cmd, "HELO %s\r\n", msg->server);
if (!cmd_msg(sockfd, helo_cmd, "250")) {
return 0;
}
}
char from_cmd[13 + strlen(msg->from)];
sprintf(from_cmd, "MAIL FROM:<%s>\r\n", msg->from);
if (!cmd_msg(sockfd, from_cmd, "250")) {
return 0;
}
if (!msg->to_address_ary) {
return 0;
}
struct st_char_arry *char_arry_p = NULL;
//收件人
for (char_arry_p = msg->to_address_ary; char_arry_p < (msg->to_address_ary + msg->to_addr_len); char_arry_p++) {
char to_addr_cmd[12 + strlen(char_arry_p->str_p)];
sprintf(to_addr_cmd, "RCPT TO:<%s>\r\n", char_arry_p->str_p);
if (!cmd_msg(sockfd, to_addr_cmd, "250")) {
return 0;
}
}
//抄送
for (char_arry_p = msg->bc_address_ary; char_arry_p < (msg->bc_address_ary + msg->bc_addr_len); char_arry_p++) {
char bc_addr_cmd[12 + strlen(char_arry_p->str_p)];
sprintf(bc_addr_cmd, "RCPT TO:<%s>\r\n", char_arry_p->str_p);
if (!cmd_msg(sockfd, bc_addr_cmd, "250")) {
return 0;
}
}
for (char_arry_p = msg->cc_address_ary; char_arry_p < (msg->cc_address_ary
+ msg->cc_addr_len); char_arry_p++) {
char cc_addr_cmd[12 + strlen(char_arry_p->str_p)];
sprintf(cc_addr_cmd, "RCPT TO:<%s>\r\n", char_arry_p->str_p);
if (!cmd_msg(sockfd, cc_addr_cmd, "250")) {
return 0;
}
}
//开始内容
if (!cmd_msg(sockfd, "DATA\r\n", "354")) {
return 0;
}
return 1;
}
/* 发送邮件 */
int send_mail(st_mail_msg *msg_) {
struct sockaddr_in serv_addr;
struct hostent *server;
struct protoent *protocol;
int sockfd;
protocol = getprotobyname(PROTOCOL);
//申请套接字
sockfd = socket(AF_INET, SOCK_STREAM, protocol->p_proto);
if (sockfd < 0) {
return SEND_RESULT_OPEN_SOCK_FINAL;
}
if (inet_aton(msg_->server, &serv_addr.sin_addr) != 0) {
server = gethostbyaddr((char *) &serv_addr.sin_addr, 4, AF_INET);
} else {
server = gethostbyname(msg_->server);
}
if (server == NULL) {
return SEND_RESULT_OPEN_SOCK_FINAL;
}
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(msg_->port);
bcopy((char *) server->h_addr, (char *) &serv_addr.sin_addr.s_addr,
server->h_length);
//发起socked连接
if (connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
return SEND_RESULT_CONNECT_FINAL;
}
//发送邮件头
if (!send_mail_header(sockfd, msg_)) {
return SEND_RESULT_FINAL;
}
//开始处理正文
//为了防止大附件在内存中builde时候产生内存崩溃，此处建立一个临时文件
char *tmp_file_str = "/tmp/tmp_mail.eml";
FILE *tmp_fp = fopen(tmp_file_str, "wb");
if (tmp_fp == NULL) {
return SEND_RESULT_FINAL;
}
//文件内容
char *bound_id_prefix = "------=_NextPart_";
char bound_id[128];
time_t timet;
time(&timet);
sprintf(bound_id, "abc%ldxyz", time(0));
fprintf(tmp_fp, "Message-Id: <%s@%s>\r\n", bound_id, msg_->server);
fprintf(tmp_fp, "Date: %s", asctime(gmtime(&timet)));
fprintf(tmp_fp, "X-Priority: %d\r\n", msg_->priority);
fprintf(tmp_fp, "From: %s\r\n", msg_->from_subject ? msg_->from_subject : msg_->from);
struct st_char_arry *char_arry_p = NULL;
int i_addr_p = 0;
/* 收件人 */
for (char_arry_p = msg_->to_address_ary; char_arry_p < (msg_->to_address_ary + msg_->to_addr_len); char_arry_p++, i_addr_p++) {
if (i_addr_p == 0) {
fprintf(tmp_fp, "To: ");
}
fprintf(tmp_fp, "%s", char_arry_p->str_p);
if (i_addr_p < (msg_->to_addr_len - 1)) {
fprintf(tmp_fp, ";");
}
if (i_addr_p == msg_->to_addr_len - 1) {
fprintf(tmp_fp, "\r\n");
}
}
/* 密送 */
if (msg_->cc_address_ary) {
for (i_addr_p = 0, char_arry_p = msg_->cc_address_ary; char_arry_p < (msg_->cc_address_ary + msg_->cc_addr_len); char_arry_p++, i_addr_p++){
if (i_addr_p == 0) {
fprintf(tmp_fp, "To: ");
}
fprintf(tmp_fp, "%s", char_arry_p->str_p);
if (i_addr_p < (msg_->cc_addr_len - 1)) {
fprintf(tmp_fp, ";");
}
if (i_addr_p == msg_->cc_addr_len - 1) {
fprintf(tmp_fp, "\r\n");
}
}
}
char *subject_b6 = NULL;
subject_b6 = malloc(strlen(msg_->subject) + 1);
memcpy(subject_b6, msg_->subject, strlen(msg_->subject));
base64_encoder(msg_->subject, strlen(msg_->subject), &subject_b6);
free(msg_->subject);
if (subject_b6 == NULL) {
return SEND_RESULT_FINAL;
}
fprintf(tmp_fp, "Subject: =?%s?B?%s?=\r\n", msg_->charset, subject_b6);
fprintf(tmp_fp, "MIME-Version: 1.0\r\n");
fprintf(tmp_fp, "X-Mailer: \r\n");
/* 附件 */
if (msg_->att_file_ary) {
fprintf(tmp_fp, "Content-Type: multipart/mixed;boundary=\"%s%s\"\r\n", bound_id_prefix, bound_id);
fprintf(tmp_fp, "\r\n\r\n");
fprintf(tmp_fp, "--%s%s\r\n", bound_id_prefix, bound_id);
}
/* 信体 */
fprintf(tmp_fp, "Content-Type: Multipart/Alternative; boundary=\"%s%s_body\"\r\n", bound_id_prefix, bound_id);
fprintf(tmp_fp, "\r\n");
fprintf(tmp_fp, "--%s%s_body\r\n", bound_id_prefix, bound_id);
fprintf(tmp_fp, "Content-Type: %s;charset=\"%s\"\r\n", (msg_->mail_style_html == HTML_STYLE_MAIL) ? "text/html" : "text/plain", msg_->charset);
fprintf(tmp_fp, "Content-Transfer-Encoding: base64\r\n");
fprintf(tmp_fp, "\r\n");
//文件内容编码
char *content_b6 = NULL;
base64_encoder(msg_->content, strlen(msg_->content) + 1, &content_b6);
free(msg_->content);
if (content_b6 == NULL) {
free(subject_b6);
return SEND_RESULT_FINAL;
}
fprintf(tmp_fp, "%s", content_b6);
fprintf(tmp_fp, "\r\n");
fprintf(tmp_fp, "--%s%s_body--\r\n", bound_id_prefix, bound_id);
free(subject_b6);
subject_b6 = NULL;
free(content_b6);
content_b6 = NULL;
/* 附件发送 */
if (msg_->att_file_ary) {
for (i_addr_p = 0, char_arry_p = msg_->att_file_ary; char_arry_p < (msg_->att_file_ary + msg_->att_file_len); char_arry_p++, i_addr_p++) {
FILE *att_file_p = fopen(char_arry_p->str_p, "r");
if (att_file_p == NULL) {
continue;
}
fseek(tmp_fp, 0, SEEK_END);
char *fn_ = char_arry_p->str_p;
char file_name[strlen(fn_)];
while ((fn_ = strchr(fn_, '/')) != NULL) {
*fn_ += 1;
if (strchr(fn_, '/') == NULL) {
strcpy(file_name, fn_);
break;
}
}//
//写文件
fprintf(tmp_fp, "\r\n");
fprintf(tmp_fp, "--%s%s\r\n", bound_id_prefix, bound_id);
//还可以根据扩展名来判断文件的Content-Type，这里没有做，可以自己完成.
fprintf(tmp_fp, "Content-Type: %s;name=\"%s\"\r\n", "application/octet-stream", file_name);
fprintf(tmp_fp, "Content-Transfer-Encoding: base64\r\n");
fprintf(tmp_fp, "Content-Disposition: attachment; filename=\"%s\"\r\n", file_name);
fprintf(tmp_fp, "\r\n");
//base64编码文件
base64_encoder_file(att_file_p, tmp_fp);
fclose(att_file_p);
fprintf(tmp_fp, "\r\n");
if (i_addr_p == msg_->att_file_len - 1) {
fprintf(tmp_fp, "--%s%s--\r\n", bound_id_prefix, bound_id);
}
}
}
// 开始发送
char buffer[READ_FILE_LEN];
// 关闭文件句柄
fclose(tmp_fp);
int frwp_tmp = open(tmp_file_str, O_RDONLY);
//打开文件失败
if (frwp_tmp == -1) {
return -1;
}
size_t byte_len = -1;
while ((byte_len = read(frwp_tmp, buffer, sizeof(buffer))) > 0) {
if(write(sockfd, buffer, byte_len)){
continue;
};
}
close(frwp_tmp);
// 发送邮件结束
if (!cmd_msg(sockfd, "\r\n.\r\n", "250")) {
return SEND_RESULT_FINAL;
}
//关闭sokdfd
close(sockfd);
// 删除临时文件
remove(tmp_file_str);
return SEND_RESULT_SUCCESS;
}
