From: Jean-Marc Pigeon (Delson) <jmp@safe.ca>
Date: Sat, 7 Jun 2025 20:22:52 +0000 (-0400)
Subject: Starting to implement connect_to_mx
X-Git-Tag: tag-0.8~60
X-Git-Url: https://jmp-git.ovh.safe.ca/?a=commitdiff_plain;h=d91c1c355fe676d21aa7b1a7cba01ed75699847b;p=jmp%2Fmailleur

Starting to implement connect_to_mx
---

diff --git a/lib/devlog.c b/lib/devlog.c
index dc03bad..90aa4e6 100644
--- a/lib/devlog.c
+++ b/lib/devlog.c
@@ -162,7 +162,7 @@ return status;
 /*      return a NULL file pointeur if trouble.         */
 /*                                                      */
 /********************************************************/
-PUBLIC LOGPTR *log_openlog(char *logname,_Bool inlog)
+PUBLIC LOGPTR *log_openlog(char *logname,_Bool inlog,const char *cmt)
 
 {
 #define OPEP    "devlog.c:log_openlog"
@@ -208,6 +208,8 @@ while (proceed==true) {
       (void) clock_gettime(CLOCK_REALTIME,&(log->start));
       (void) fprintf(log->file,"\n#-----------------------------\n");
       (void) fprintf(log->file,"#%s",ctime(&(log->start.tv_sec)));
+      if (cmt!=(const char *)0) 
+        (void) fprintf(log->file,"#%s\n",cmt);
       (void) fflush(log->file);
       log->start.tv_sec=0;
       break;
diff --git a/lib/devlog.h b/lib/devlog.h
index fc294f7..8b42caf 100644
--- a/lib/devlog.h
+++ b/lib/devlog.h
@@ -13,7 +13,7 @@
 typedef void    LOGPTR;
 
 //procedure to open a session log
-extern LOGPTR *log_openlog(char *logname,_Bool inlong);
+extern LOGPTR *log_openlog(char *logname,_Bool inlog,const char *cmt);
 
 //procedure to close a previously open session log
 extern LOGPTR *log_closelog(LOGPTR *logptr);
diff --git a/lib/lvleml.c b/lib/lvleml.c
index 4f623d1..62e4d18 100644
--- a/lib/lvleml.c
+++ b/lib/lvleml.c
@@ -24,6 +24,11 @@
 #include	"geseml.h"
 #include	"lvleml.h"
 
+typedef struct  {
+    SOCPTR *socptr;
+    LOGPTR *logptr;
+    MXTYP **mxs;
+    }RMTTYP;
 /*
 ^L
 */
@@ -675,6 +680,37 @@ return true;
 */
 /********************************************************/
 /*                                                      */
+/*	Procedure to connect to the remote SMTP server  */
+/*                                                      */
+/********************************************************/
+static _Bool connect_to_mx(RMTTYP *rmt)
+
+{
+_Bool done;
+int phase;
+int proceed;
+
+
+done=false;
+phase=0;
+proceed=true;
+while (proceed==true) {
+  switch (phase) {
+    case 0      :       //do ve have MX
+      break;
+    default     :       //SAFE Guard
+      proceed=false;
+      break;
+    }
+  phase++;
+  }
+return done;
+}
+/*
+^L
+*/
+/********************************************************/
+/*                                                      */
 /*	Procedure to send the whole email transaction   */
 /*                                                      */
 /********************************************************/
@@ -684,13 +720,14 @@ static void sending_email(char *domain,char *sessid,TRATYP **tra)
 #define OPEP    "lvleml.c:sending_email,"
 
 time_t isnow;
-MXTYP **mxs;
+RMTTYP rmt;
 TRATYP **tosend;
 int phase;
 _Bool proceed;
 
 isnow=time((time_t *)0);
-mxs=dns_getmx(domain);
+(void) memset(&rmt,'\000',sizeof(rmt));
+rmt.mxs=dns_getmx(domain);
 tosend=(TRATYP **)0;
 phase=0;
 proceed=true;
@@ -702,6 +739,7 @@ while (proceed==true) {
         phase=999;      //all scanning done
       break;
     case 1      :       //collecting email to be sent
+      rmt.logptr=log_closelog(rmt.logptr);
       while (*tra!=(TRATYP *)0) {
         if (strcmp((*tra)->sessid,sessid)!=0) {
           sessid=(*tra)->sessid;
@@ -722,12 +760,27 @@ while (proceed==true) {
         }
       break;
     case 2      :       //Checking if we have email to be sent
+      char cmt[100];
+
+      (void) strncpy(cmt,sessid,sizeof(cmt));
+      rmt.logptr=log_openlog(sessid,false,cmt);
       if (tosend==(TRATYP **)0) 
         phase=-1;      //lets continue to see other email
       break;
     case 3      :       //checking if connection is open
+      if (rmt.socptr!=(SOCPTR *)0) {        //reset the connection
+        phase++;        //NO need to open connection
+        }
       break;
     case 4      :       //Opening connection if not open
+      if (connect_to_mx(&rmt)==false) {
+        char cmt[100];
+
+        (void) snprintf(cmt,sizeof(cmt),"Unable to contact ANY MX for domain <%s>",
+                                         domain); 
+        (void) log_fprintlog(rmt.logptr,false,cmt);
+        phase=999;      //No need to go further
+        }
       break;
     case 5      :       //sending recipient list
       break;
@@ -739,12 +792,14 @@ while (proceed==true) {
       phase=0;          //Lets see if we have other recipient
       break;
     default     :       //SAFE Guard
+      rmt.logptr=log_closelog(rmt.logptr);
       proceed=false;
       break;
     }
   phase++;
   }
-mxs=dns_freemxlist(mxs);
+rmt.mxs=dns_freemxlist(rmt.mxs);
+
 #undef  OPEP
 }
 /*
@@ -947,7 +1002,7 @@ while (proceed==true) {
         }
       contact->peername=soc_getaddrinfo(contact->socptr,false,true);
       contact->peerip=soc_getaddrinfo(contact->socptr,false,false);
-      contact->logptr=log_openlog(contact->mainsesid,true);
+      contact->logptr=log_openlog(contact->mainsesid,true,(const char *)0);
       (void) rou_alert(0,"Contact from peer <%s> to port <%s> started",
                           contact->peerip,contact->locserv);
       break;