Initial revision

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@141 ec53bebd-3082-4978-b11e-865c3cabbd6b
1995-10-04 15:25:07 +00:00
parent 40bc309c4f
commit a5d93582df
3 changed files with 267 additions and 0 deletions
--- a/appl/popper/pop_dropinfo.c
+++ b/appl/popper/pop_dropinfo.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef lint
+static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
+static char SccsId[] = "@(#)@(#)pop_dropinfo.c	2.1  2.1 3/18/91";
+#endif not lint
+
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <strings.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+#include "popper.h"
+
+extern int      errno;
+extern int      sys_nerr;
+extern char    *sys_errlist[];
+
+/* 
+ *  dropinfo:   Extract information about the POP maildrop and store 
+ *  it for use by the other POP routines.
+ */
+
+pop_dropinfo(p)
+POP     *   p;
+{
+    char                    buffer[BUFSIZ];         /*  Read buffer */
+    MsgInfoList         *   mp;                     /*  Pointer to message 
+                                                        info list */
+    register int            msg_num;                /*  Current message 
+                                                        counter */
+    int                     nchar;                  /*  Bytes written/read */
+
+    /*  Initialize maildrop status variables in the POP parameter block */
+    p->msg_count = 0;
+    p->msgs_deleted = 0;
+    p->last_msg = 0;
+    p->bytes_deleted = 0;
+    p->drop_size = 0;
+
+    /*  Allocate memory for message information structures */
+    p->msg_count = ALLOC_MSGS;
+    p->mlp = (MsgInfoList *)calloc((unsigned)p->msg_count,sizeof(MsgInfoList));
+    if (p->mlp == NULL){
+        (void)fclose (p->drop);
+        p->msg_count = 0;
+        return pop_msg (p,POP_FAILURE,
+            "Can't build message list for '%s': Out of memory", p->user);
+    }
+
+    rewind (p->drop);
+
+    /*  Scan the file, loading the message information list with 
+        information about each message */
+
+    for (msg_num = p->drop_size = 0, mp = p->mlp - 1;
+             fgets(buffer,MAXMSGLINELEN,p->drop);) {
+
+        nchar  = strlen(buffer);
+
+        if (strncmp(buffer,"From ",5) == 0) {
+
+            if (++msg_num > p->msg_count) {
+                p->mlp=(MsgInfoList *) realloc(p->mlp,
+                    (p->msg_count+=ALLOC_MSGS)*sizeof(MsgInfoList));
+                if (p->mlp == NULL){
+                    (void)fclose (p->drop);
+                    p->msg_count = 0;
+                    return pop_msg (p,POP_FAILURE,
+                        "Can't build message list for '%s': Out of memory",
+                            p->user);
+                }
+                mp = p->mlp + msg_num - 2;
+            }
+#ifdef DEBUG
+            if(p->debug)
+                pop_log(p,POP_DEBUG,
+                    "Msg %d at offset %d is %d octets long and has %u lines.",
+                        mp->number,mp->offset,mp->length,mp->lines);
+#endif DEBUG
+            ++mp;
+            mp->number = msg_num;
+            mp->length = 0;
+            mp->lines = 0;
+            mp->offset = ftell(p->drop) - nchar;
+            mp->del_flag = FALSE;
+            mp->retr_flag = FALSE;
+#ifdef DEBUG
+            if(p->debug)
+                pop_log(p,POP_DEBUG, "Msg %d being added to list", mp->number);
+#endif DEBUG
+        }
+        mp->length += nchar;
+        p->drop_size += nchar;
+        mp->lines++;
+    }
+    p->msg_count = msg_num;
+
+#ifdef DEBUG
+    if(p->debug && msg_num > 0) {
+        register    i;
+        for (i = 0, mp = p->mlp; i < p->msg_count; i++, mp++)
+            pop_log(p,POP_DEBUG,
+                "Msg %d at offset %d is %d octets long and has %u lines.",
+                    mp->number,mp->offset,mp->length,mp->lines);
+    }
+#endif DEBUG
+
+    return(POP_SUCCESS);
+}