Memory leak fix

ast_xmldoc_printable returns an allocated block that must be freed by the
caller.  Fixed manager.c and res_agi.c to stop leaking these results.

(closes issue ASTERISK-22395)
Reported by: Corey Farrell
Patches:
     manager-leaks-12.patch uploaded by coreyfarrell (license 5909)
     res_agi-xmldoc-leaks.patch uploaded by coreyfarrell (license 5909)
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Merged revisions 398060 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 398061 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 398062 from http://svn.asterisk.org/svn/asterisk/branches/12

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@398063 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/manager.c b/main/manager.c
index 38c7d8e..c8b0e47 100644 (file)
--- a/main/manager.c
+++ b/main/manager.c
@@ -1924,19 +1924,19 @@ static char *handle_showmancmd(struct ast_cli_entry *e, int cmd, struct ast_cli_
 
 #ifdef AST_XML_DOCS
                                if (cur->docsrc == AST_XML_DOC) {
+                                       char *syntax = ast_xmldoc_printable(S_OR(cur->syntax, "Not available"), 1);
+                                       char *synopsis = ast_xmldoc_printable(S_OR(cur->synopsis, "Not available"), 1);
+                                       char *description = ast_xmldoc_printable(S_OR(cur->description, "Not available"), 1);
+                                       char *arguments = ast_xmldoc_printable(S_OR(cur->arguments, "Not available"), 1);
+                                       char *seealso = ast_xmldoc_printable(S_OR(cur->seealso, "Not available"), 1);
+                                       char *privilege = ast_xmldoc_printable(S_OR(authority->str, "Not available"), 1);
                                        ast_cli(a->fd, "%s%s\n\n%s%s\n\n%s%s\n\n%s%s\n\n%s%s\n\n%s%s\n\n",
-                                               syntax_title,
-                                               ast_xmldoc_printable(S_OR(cur->syntax, "Not available"), 1),
-                                               synopsis_title,
-                                               ast_xmldoc_printable(S_OR(cur->synopsis, "Not available"), 1),
-                                               description_title,
-                                               ast_xmldoc_printable(S_OR(cur->description, "Not available"), 1),
-                                               arguments_title,
-                                               ast_xmldoc_printable(S_OR(cur->arguments, "Not available"), 1),
-                                               seealso_title,
-                                               ast_xmldoc_printable(S_OR(cur->seealso, "Not available"), 1),
-                                               privilege_title,
-                                               ast_xmldoc_printable(S_OR(authority->str, "Not available"), 1));
+                                               syntax_title, syntax,
+                                               synopsis_title, synopsis,
+                                               description_title, description,
+                                               arguments_title, arguments,
+                                               seealso_title, seealso,
+                                               privilege_title, privilege);
                                } else
 #endif
                                {
@@ -7560,29 +7560,29 @@ static char *handle_manager_show_event(struct ast_cli_entry *e, int cmd, struct
        ast_cli(a->fd, "Event: %s\n", a->argv[3]);
        for (temp = item; temp; temp = temp->next) {
                if (!ast_strlen_zero(ast_str_buffer(temp->synopsis))) {
-                       ast_cli(a->fd, "%s%s\n\n",
-                               synopsis_title,
-                               ast_xmldoc_printable(ast_str_buffer(temp->synopsis), 1));
+                       char *synopsis = ast_xmldoc_printable(ast_str_buffer(temp->synopsis), 1);
+                       ast_cli(a->fd, "%s%s\n\n", synopsis_title, synopsis);
+                       ast_free(synopsis);
                }
                if (!ast_strlen_zero(ast_str_buffer(temp->syntax))) {
-                       ast_cli(a->fd, "%s%s\n\n",
-                               syntax_title,
-                               ast_xmldoc_printable(ast_str_buffer(temp->syntax), 1));
+                       char *syntax = ast_xmldoc_printable(ast_str_buffer(temp->syntax), 1);
+                       ast_cli(a->fd, "%s%s\n\n", syntax_title, syntax);
+                       ast_free(syntax);
                }
                if (!ast_strlen_zero(ast_str_buffer(temp->description))) {
-                       ast_cli(a->fd, "%s%s\n\n",
-                               description_title,
-                               ast_xmldoc_printable(ast_str_buffer(temp->description), 1));
+                       char *description = ast_xmldoc_printable(ast_str_buffer(temp->description), 1);
+                       ast_cli(a->fd, "%s%s\n\n", description_title, description);
+                       ast_free(description);
                }
                if (!ast_strlen_zero(ast_str_buffer(temp->arguments))) {
-                       ast_cli(a->fd, "%s%s\n\n",
-                               arguments_title,
-                               ast_xmldoc_printable(ast_str_buffer(temp->arguments), 1));
+                       char *arguments = ast_xmldoc_printable(ast_str_buffer(temp->arguments), 1);
+                       ast_cli(a->fd, "%s%s\n\n", arguments_title, arguments);
+                       ast_free(arguments);
                }
                if (!ast_strlen_zero(ast_str_buffer(temp->seealso))) {
-                       ast_cli(a->fd, "%s%s\n\n",
-                               seealso_title,
-                               ast_xmldoc_printable(ast_str_buffer(temp->seealso), 1));
+                       char *seealso = ast_xmldoc_printable(ast_str_buffer(temp->seealso), 1);
+                       ast_cli(a->fd, "%s%s\n\n", seealso_title, seealso);
+                       ast_free(seealso);
                }
        }
 

diff --git a/res/res_agi.c b/res/res_agi.c
index 74d665b..25251f3 100644 (file)
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -4042,9 +4042,6 @@ static int write_htmldump(const char *filename)
 
        AST_RWLIST_RDLOCK(&agi_commands);
        AST_RWLIST_TRAVERSE(&agi_commands, command, list) {
-#ifdef AST_XML_DOCS
-               char *stringptmp;
-#endif
                char *tempstr, *stringp;
 
                if (!command->cmda[0])  /* end ? */
@@ -4057,8 +4054,7 @@ static int write_htmldump(const char *filename)
                fprintf(htmlfile, "<TR><TD><TABLE BORDER=\"1\" CELLPADDING=\"5\" WIDTH=\"100%%\">\n");
                fprintf(htmlfile, "<TR><TH ALIGN=\"CENTER\"><B>%s - %s</B></TH></TR>\n", fullcmd, command->summary);
 #ifdef AST_XML_DOCS
-               stringptmp = ast_xmldoc_printable(command->usage, 0);
-               stringp = ast_strdup(stringptmp);
+               stringp = ast_xmldoc_printable(command->usage, 0);
 #else
                stringp = ast_strdup(command->usage);
 #endif
@@ -4076,9 +4072,6 @@ static int write_htmldump(const char *filename)
                fprintf(htmlfile, "</TD></TR>\n");
                fprintf(htmlfile, "</TABLE></TD></TR>\n\n");
                ast_free(stringp);
-#ifdef AST_XML_DOCS
-               ast_free(stringptmp);
-#endif
        }
        AST_RWLIST_UNLOCK(&agi_commands);
        fprintf(htmlfile, "</TABLE>\n</BODY>\n</HTML>\n");