Initial revision

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@1 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 274 insertions, 0 deletions

diff --git a/util/outmail.c b/util/outmail.c
new file mode 100644
index 00000000..d6b19bb4
--- /dev/null
+++ b/util/outmail.c
@@ -0,0 +1,274 @@
+/* $Id: outmail.c,v 1.1 2002/03/07 15:13:46 in2 Exp $ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/file.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "config.h"
+#include "pttstruct.h"
+
+
+#ifdef HAVE_SETPROCTITLE
+
+#include <sys/types.h>
+#include <libutil.h>
+
+void initsetproctitle(int argc, char **argv, char **envp) {
+}
+
+#else
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+char **Argv = NULL;          /* pointer to argument vector */
+char *LastArgv = NULL;       /* end of argv */
+extern char **environ;
+
+void initsetproctitle(int argc, char **argv, char **envp) {
+    register int i;
+    
+    /* Move the environment so setproctitle can use the space at
+       the top of memory. */
+    for(i = 0; envp[i]; i++);
+    environ = malloc(sizeof(char *) * (i + 1));
+    for(i = 0; envp[i]; i++)
+	environ[i] = strdup(envp[i]);
+    environ[i] = NULL;
+    
+    /* Save start and extent of argv for setproctitle. */
+    Argv = argv;
+    if(i > 0)
+	LastArgv = envp[i - 1] + strlen(envp[i - 1]);
+    else
+	LastArgv = argv[argc - 1] + strlen(argv[argc - 1]);
+}
+
+static void do_setproctitle(const char *cmdline) {
+    char buf[256], *p;
+    int i;
+    
+    strncpy(buf, cmdline, 256);
+    buf[255] = '\0';
+    i = strlen(buf);
+    if(i > LastArgv - Argv[0] - 2) {
+	i = LastArgv - Argv[0] - 2;
+    }
+    strcpy(Argv[0], buf);
+    p = &Argv[0][i];
+    while(p < LastArgv)
+	*p++='\0';
+    Argv[1] = NULL;
+}
+
+void setproctitle(const char* format, ...) {
+    char buf[256];
+    
+    va_list args;
+    va_start(args, format);
+    vsprintf(buf, format,args);
+    do_setproctitle(buf);
+    va_end(args);
+}
+#endif
+
+
+
+
+
+#define SPOOL BBSHOME "/out"
+#define INDEX SPOOL "/.DIR"
+#define NEWINDEX SPOOL "/.DIR.sending"
+#define FROM ".bbs@" MYHOSTNAME
+#define SMTPPORT 25
+
+int waitReply(int sock) {
+    char buf[256];
+    
+    if(read(sock, buf, sizeof(buf)) <= 0)
+	return -1;
+    else
+	return buf[0] - '0';
+}
+
+int sendRequest(int sock, char *request) {
+    return write(sock, request, strlen(request)) < 0 ? -1 : 0;
+}
+
+int connectMailServer() {
+    int sock;
+    struct sockaddr_in addr;
+    
+    if((sock = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
+	perror("socket");
+	return -1;
+    }
+    
+    memset(&addr, 0, sizeof(addr));
+#ifdef FreeBSD
+    addr.sin_len = sizeof(addr);
+#endif
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(SMTPPORT);
+    addr.sin_addr.s_addr = inet_addr(RELAY_SERVER_IP);
+    
+    if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+	perror(RELAY_SERVER_IP);
+	close(sock);
+	return -1;
+    }
+    
+    if(waitReply(sock) != 2) {
+	close(sock);
+	return -1;
+    }
+    
+    if(sendRequest(sock, "helo " MYHOSTNAME "\n") || waitReply(sock) != 2) {
+	close(sock);
+	return -1;
+    } else
+	return sock;
+}
+
+void disconnectMailServer(int sock) {
+    sendRequest(sock, "quit\n");
+    /* drop the reply :p */
+    close(sock);
+}
+
+void doSendBody(int sock, FILE *fp, char *from, char *to, char *subject) {
+    int n;
+    char buf[2048];
+    
+    n = snprintf(buf, sizeof(buf), "From: %s\nTo: %s\nSubject: %s\n\n",
+		 from, to, subject);
+    write(sock, buf, n);
+    
+    while(fgets(buf, sizeof(buf), fp)) {
+	if(buf[0] == '.' && buf[1] == '\n')
+	    strcpy(buf, "..\n");
+	write(sock, buf, strlen(buf));
+    }
+}
+
+void doSendMail(int sock, FILE *fp, char *from, char *to, char *subject) {
+    char buf[256];
+    
+    snprintf(buf, sizeof(buf), "mail from: %s\n", from);
+    if(sendRequest(sock, buf) || waitReply(sock) != 2)
+	return;
+    
+    snprintf(buf, sizeof(buf), "rcpt to: %s\n", to);
+    if(sendRequest(sock, buf) || waitReply(sock) != 2)
+	return;
+    
+    if(sendRequest(sock, "data\n") || waitReply(sock) != 3)
+	return;
+    
+    doSendBody(sock, fp, from, to, subject);
+
+    if(sendRequest(sock, "\n.\n") || waitReply(sock) != 2)
+	return;
+}
+
+void sendMail() {
+    int fd, sock;
+    MailQueue mq;
+    
+    if(access(NEWINDEX, R_OK | W_OK)) {
+	if(link(INDEX, NEWINDEX) || unlink(INDEX))
+	    /* nothing to do */
+	    return;
+    }
+	
+    if((sock = connectMailServer()) < 0) {
+	fprintf(stderr, "connect server failed...\n");
+	return;
+    }
+    
+    fd = open(NEWINDEX, O_RDONLY);
+    flock(fd, LOCK_EX);
+    while(read(fd, &mq, sizeof(mq)) > 0) {
+	FILE *fp;
+	char buf[256];
+	
+	snprintf(buf, sizeof(buf), "%s%s", mq.sender, FROM);
+	if((fp = fopen(mq.filepath, "r"))) {
+	    setproctitle("outmail: sending %s", mq.filepath);
+	    doSendMail(sock, fp, buf, mq.rcpt, mq.subject);
+	    fclose(fp);
+	    unlink(mq.filepath);
+	} else {
+	    perror(mq.filepath);
+	}
+    }
+    flock(fd, LOCK_UN);
+    close(fd);
+    unlink(NEWINDEX);
+    
+    disconnectMailServer(sock);
+}
+
+void listQueue() {
+    int fd;
+    
+    if((fd = open(INDEX, O_RDONLY)) >= 0) {
+	int counter = 0;
+	MailQueue mq;
+	
+	flock(fd, LOCK_EX);
+	while(read(fd, &mq, sizeof(mq)) > 0) {
+	    printf("%s:%s -> %s:%s\n", mq.filepath, mq.username, mq.rcpt,
+		   mq.subject);
+	    counter++;
+	}
+	flock(fd, LOCK_UN);
+	close(fd);
+	printf("\nTotal: %d mails in queue\n", counter);
+    } else {
+	perror(INDEX);
+    }
+}
+
+void usage() {
+    fprintf(stderr, "usage: outmail [-qh]\n");
+}
+
+void wakeup(int s) {
+}
+
+int main(int argc, char **argv, char **envp) {
+    int ch;
+ 
+    signal(SIGHUP, wakeup);
+    initsetproctitle(argc, argv, envp);
+    
+    if(chdir(BBSHOME))
+	return 1;
+    while((ch = getopt(argc, argv, "qh")) != -1) {
+	switch(ch) {
+	case 'q':
+	    listQueue();
+	    return 0;
+	default:
+	    usage();
+	    return 0;
+	}
+    }
+    for(;;) {
+	sendMail();
+	setproctitle("outmail: sleeping");
+	sleep(60 * 3); /* send mail every 3 minute */
+    }
+    return 0;
+}