From: Jeff Trawick <trawick@apache.org>
Date: Thu, 20 Apr 2000 14:36:01 +0000 (+0000)
Subject: [EBCDIC] Port Paul Gilmartin's CRLF patch from 1.3.  This replaces most
X-Git-Tag: apache-doc-split-01~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc6e027c47cb733f7530b23b13b679edb2d19bf5;p=thirdparty%2Fapache%2Fhttpd.git

[EBCDIC] Port Paul Gilmartin's CRLF patch from 1.3.  This replaces most
of the \015, \012, and \015\012 constants with macros.
Submitted by:	Greg Ames
Reviewed by:	Jeff Trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84998 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/include/httpd.h b/include/httpd.h
index df0023cd7b7..bdea38affda 100644
--- a/include/httpd.h
+++ b/include/httpd.h
@@ -514,9 +514,26 @@ API_EXPORT(const char *) ap_get_server_built(void);
 #define INCLUDES_MAGIC_TYPE "text/x-server-parsed-html"
 #define INCLUDES_MAGIC_TYPE3 "text/x-server-parsed-html3"
 #define DIR_MAGIC_TYPE "httpd/unix-directory"
+#ifdef CHARSET_EBCDIC
+#define ASCIITEXT_MAGIC_TYPE_PREFIX "text/x-ascii-" /* Text files whose content-type starts with this are passed thru unconverted */
+#endif /*CHARSET_EBCDIC*/         
 
+/* Just in case your linefeed isn't the one the other end is expecting. */
+#ifndef CHARSET_EBCDIC
 #define LF 10
 #define CR 13
+#define CRLF "\015\012"
+#else /* CHARSET_EBCDIC */
+/* For platforms using the EBCDIC charset, the transition ASCII->EBCDIC is done
+ * in the buff package (bread/bputs/bwrite).  Everywhere else, we use
+ * "native EBCDIC" CR and NL characters. These are therefore
+ * defined as
+ * '\r' and '\n'.
+ */
+#define CR '\r'
+#define LF '\n'
+#define CRLF "\r\n"
+#endif /* CHARSET_EBCDIC */                                   
 
 /* Possible values for request_rec.read_body (set by handling module):
  *    REQUEST_NO_BODY          Send 413 error if message has any body
diff --git a/modules/http/http_protocol.c b/modules/http/http_protocol.c
index 9608ddd3435..925d00b54d6 100644
--- a/modules/http/http_protocol.c
+++ b/modules/http/http_protocol.c
@@ -264,7 +264,7 @@ static int internal_byterange(int realreq, long *tlength, request_rec *r,
     if (!**r_range) {
         if (r->byterange > 1) {
             if (realreq)
-                ap_rvputs(r, "\015\012--", r->boundary, "--\015\012", NULL);
+                ap_rvputs(r, CRLF "--", r->boundary, "--" CRLF, NULL);
             else
                 *tlength += 4 + strlen(r->boundary) + 4;
         }
@@ -284,8 +284,8 @@ static int internal_byterange(int realreq, long *tlength, request_rec *r,
         ap_snprintf(ts, sizeof(ts), "%ld-%ld/%ld", range_start, range_end,
                     r->clength);
         if (realreq)
-            ap_rvputs(r, "\015\012--", r->boundary, "\015\012Content-type: ",
-                   ct, "\015\012Content-range: bytes ", ts, "\015\012\015\012",
+            ap_rvputs(r, CRLF "--", r->boundary, CRLF "Content-type: ",
+                   ct, CRLF "Content-range: bytes ", ts, CRLF CRLF,
                    NULL);
         else
             *tlength += 4 + strlen(r->boundary) + 16 + strlen(ct) + 23 +
@@ -1342,7 +1342,7 @@ API_EXPORT(int) ap_index_of_response(int status)
 API_EXPORT_NONSTD(int) ap_send_header_field(request_rec *r,
     const char *fieldname, const char *fieldval)
 {
-    return (0 < ap_rvputs(r, fieldname, ": ", fieldval, "\015\012", NULL));
+    return (0 < ap_rvputs(r, fieldname, ": ", fieldval, CRLF, NULL));
 }
 
 API_EXPORT(void) ap_basic_http_header(request_rec *r)
@@ -1378,7 +1378,7 @@ API_EXPORT(void) ap_basic_http_header(request_rec *r)
 
     /* Output the HTTP/1.x Status-Line and the Date and Server fields */
 
-    ap_rvputs(r, protocol, " ", r->status_line, "\015\012", NULL);
+    ap_rvputs(r, protocol, " ", r->status_line, CRLF, NULL);
 
     date = ap_palloc(r->pool, AP_RFC822_DATE_LEN);
     ap_rfc822_date(date, r->request_time);
@@ -1416,9 +1416,9 @@ static void terminate_header(request_rec *r)
 
     ap_bgetopt(r->connection->client, BO_BYTECT, &bs);
     if (bs >= 255 && bs <= 257)
-        ap_rputs("X-Pad: avoid browser bug\015\012", r);
+        ap_rputs("X-Pad: avoid browser bug" CRLF, r);
 
-    ap_rputs("\015\012", r);  /* Send the terminating empty line */
+    ap_rputs(CRLF, r);  /* Send the terminating empty line */
 }
 
 /* Build the Allow field-value from the request handler method mask.
@@ -1461,11 +1461,11 @@ API_EXPORT(int) ap_send_http_trace(request_rec *r)
 
     /* Now we recreate the request, and echo it back */
 
-    ap_rvputs(r, r->the_request, "\015\012", NULL);
+    ap_rvputs(r, r->the_request, CRLF, NULL);
 
     ap_table_do((int (*) (void *, const char *, const char *))
                 ap_send_header_field, (void *) r, r->headers_in, NULL);
-    ap_rputs("\015\012", r);
+    ap_rputs(CRLF, r);
 
     return OK;
 }
@@ -1701,9 +1701,9 @@ API_EXPORT(void) ap_finalize_request_protocol(request_rec *r)
         r->chunked = 0;
         ap_bsetflag(r->connection->client, B_CHUNK, 0);
 
-        ap_rputs("0\015\012", r);
+        ap_rputs("0" CRLF, r);
         /* If we had footer "headers", we'd send them now */
-        ap_rputs("\015\012", r);
+        ap_rputs(CRLF, r);
     }
 }
 
@@ -1811,7 +1811,7 @@ API_EXPORT(int) ap_should_client_block(request_rec *r)
 
     if (r->expecting_100 && r->proto_num >= HTTP_VERSION(1,1)) {
         /* sending 100 Continue interim response */
-        ap_rvputs(r, AP_SERVER_PROTOCOL, " ", status_lines[0], "\015\012\015\012",
+        ap_rvputs(r, AP_SERVER_PROTOCOL, " ", status_lines[0], CRLF CRLF,
                   NULL);
         ap_rflush(r);
     }
@@ -2690,8 +2690,8 @@ API_EXPORT(void) ap_send_error_response(request_rec *r, int recursive_error)
 	    }
 	    break;
 	case BAD_GATEWAY:
-	    ap_rputs("The proxy server received an invalid\015\012"
-	             "response from an upstream server.<P>\015\012", r);
+	    ap_rputs("The proxy server received an invalid" CRLF
+	             "response from an upstream server.<P>" CRLF, r);
 	    if ((error_notes = ap_table_get(r->notes, "error-notes")) != NULL) {
 		ap_rvputs(r, error_notes, "<P>\n", NULL);
 	    }
diff --git a/modules/proxy/mod_proxy.h b/modules/proxy/mod_proxy.h
index 3c335073947..7d0a5753ea2 100644
--- a/modules/proxy/mod_proxy.h
+++ b/modules/proxy/mod_proxy.h
@@ -129,13 +129,6 @@ enum enctype {
 /* maximum  'CacheDirLevels*CacheDirLength' value */
 #define CACHEFILE_LEN 20	/* must be less than HASH_LEN/2 */
 
-#ifdef CHARSET_EBCDIC
-#define CRLF   "\r\n"
-#else /*CHARSET_EBCDIC*/
-#define CRLF   "\015\012"
-#endif /*CHARSET_EBCDIC*/
-
-
 #define	SEC_ONE_DAY		86400	/* one day, in seconds */
 #define	SEC_ONE_HR		3600	/* one hour, in seconds */
 
diff --git a/server/rfc1413.c b/server/rfc1413.c
index 2a0fac3e196..7dbf8252eaa 100644
--- a/server/rfc1413.c
+++ b/server/rfc1413.c
@@ -179,7 +179,7 @@ static int get_rfc1413(ap_socket_t *sock, const char *local_ip,
     i = 0;
     memset(buffer, '\0', sizeof(buffer));
     /*
-     * Note that the strchr function below checks for 10 instead of '\n'
+     * Note that the strchr function below checks for \012 instead of '\n'
      * this allows it to work on both ASCII and EBCDIC machines.
      */
     while((cp = strchr(buffer, '\012')) == NULL && i < sizeof(buffer) - 1) {
diff --git a/server/util_script.c b/server/util_script.c
index 96d0796053c..b6de51c5dcc 100644
--- a/server/util_script.c
+++ b/server/util_script.c
@@ -487,8 +487,12 @@ API_EXPORT(int) ap_scan_script_header_err_core(request_rec *r, char *buffer,
 	/* Delete terminal (CR?)LF */
 
 	p = strlen(w);
+	     /* Indeed, the host's '\n':
+	        '\012' for UNIX; '\015' for MacOS; '\025' for OS/390
+	         -- whatever the script generates.
+	     */                                  
 	if (p > 0 && w[p - 1] == '\n') {
-	    if (p > 1 && w[p - 2] == '\015') {
+	    if (p > 1 && w[p - 2] == CR) {
 		w[p - 2] = '\0';
 	    }
 	    else {