File pacemaker-libcrmservice-follow-LSB-header-block.patch of Package pacemaker.14737

commit b877c1553aaad55a94e8a7046f3db1b9dca14a8e
Author: Ken Gaillot <kgaillot@redhat.com>
Date:   Fri Oct 13 15:17:33 2017 -0500

    Low: libcrmservice: follow LSB standard for header block more strictly
    
    Header block keywords are case-sensitive, and the header must start
    with the "### BEGIN INIT INFO" delimiter.
    
    This avoids problems when a line contains "# description:" before the
    LSB header block (e.g. in a "chkconfig:"-style header).

Index: pacemaker-1.1.16+20170320.77ea74d/lib/lrmd/lrmd_client.c
===================================================================
--- pacemaker-1.1.16+20170320.77ea74d.orig/lib/lrmd/lrmd_client.c
+++ pacemaker-1.1.16+20170320.77ea74d/lib/lrmd/lrmd_client.c
@@ -1654,6 +1654,9 @@ stonith_get_metadata(const char *provide
     "  </special>\n"                                                    \
     "</resource-agent>\n"
 
+/* See "Comment Conventions for Init Scripts" in the LSB core specification at:
+ * http://refspecs.linuxfoundation.org/lsb.shtml
+ */
 #define LSB_INITSCRIPT_INFOBEGIN_TAG "### BEGIN INIT INFO"
 #define LSB_INITSCRIPT_INFOEND_TAG "### END INIT INFO"
 #define PROVIDES    "# Provides:"
@@ -1687,7 +1690,7 @@ stonith_get_metadata(const char *provide
 static inline gboolean
 lsb_meta_helper_get_value(const char *line, char **value, const char *prefix)
 {
-    if (!*value && !strncasecmp(line, prefix, strlen(prefix))) {
+    if (!*value && !strncmp(line, prefix, strlen(prefix))) {
         *value = (char *)xmlEncodeEntitiesReentrant(NULL, BAD_CAST line+strlen(prefix));
         return TRUE;
     }
@@ -1710,6 +1713,7 @@ lsb_get_metadata(const char *type, char
     char *s_dscrpt = NULL;
     char *xml_l_dscrpt = NULL;
     int offset = 0;
+    bool in_header = FALSE;
     int max = 2048;
     char description[max];
 
@@ -1727,6 +1731,16 @@ lsb_get_metadata(const char *type, char
     /* Enter into the lsb-compliant comment block */
     while (fgets(buffer, sizeof(buffer), fp)) {
 
+        // Ignore lines up to and including the block delimiter
+        if (!strncmp(buffer, LSB_INITSCRIPT_INFOBEGIN_TAG,
+                     strlen(LSB_INITSCRIPT_INFOBEGIN_TAG))) {
+            in_header = TRUE;
+            continue;
+        }
+        if (!in_header) {
+            continue;
+        }
+
         /* Now suppose each of the following eight arguments contain only one line */
         if (lsb_meta_helper_get_value(buffer, &provides, PROVIDES)) {
             continue;
@@ -1754,7 +1768,9 @@ lsb_get_metadata(const char *type, char
         }
 
         /* Long description may cross multiple lines */
-        if (offset == 0 && (0 == strncasecmp(buffer, DESCRIPTION, strlen(DESCRIPTION)))) {
+        if ((offset == 0) // haven't already found long description
+            && !strncmp(buffer, DESCRIPTION, strlen(DESCRIPTION))) {
+
             /* Between # and keyword, more than one space, or a tab
              * character, indicates the continuation line.
              *
@@ -1777,12 +1793,13 @@ lsb_get_metadata(const char *type, char
             xml_l_dscrpt = (char *)xmlEncodeEntitiesReentrant(NULL, BAD_CAST(description));
         }
 
-        if (!strncasecmp(buffer, LSB_INITSCRIPT_INFOEND_TAG, strlen(LSB_INITSCRIPT_INFOEND_TAG))) {
-            /* Get to the out border of LSB comment block */
+        // Stop if we leave the header block
+        if (!strncmp(buffer, LSB_INITSCRIPT_INFOEND_TAG,
+                     strlen(LSB_INITSCRIPT_INFOEND_TAG))) {
             break;
         }
         if (buffer[0] != '#') {
-            break;              /* Out of comment block in the beginning */
+            break;
         }
     }
     fclose(fp);