utils_cmd_{get,put}val.c: Fixed usage of parse_identifier().

This function modifies its first argument which, in these cases, is used
again after the function call. Now, a copy of the string is passed to
parse_identifier().

This is a backport of 0a905cbd3151716c5749b5e7c5e439861466804d.

Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>

diff --git a/src/utils_cmd_putval.c b/src/utils_cmd_putval.c
index ec0c09a..98b5043 100644 (file)
--- a/src/utils_cmd_putval.c
+++ b/src/utils_cmd_putval.c
@@ -121,6 +121,8 @@ int handle_putval (FILE *fh, char **fields, int fields_num)
        int   status;
        int   i;
 
+       char *identifier_copy;
+
        const data_set_t *ds;
        value_list_t vl = VALUE_LIST_INIT;
 
@@ -135,7 +137,11 @@ int handle_putval (FILE *fh, char **fields, int fields_num)
                return (-1);
        }
 
-       status = parse_identifier (fields[1], &hostname,
+       /* parse_identifier() modifies its first argument,
+        * returning pointers into it */
+       identifier_copy = sstrdup (fields[1]);
+
+       status = parse_identifier (identifier_copy, &hostname,
                        &plugin, &plugin_instance,
                        &type, &type_instance);
        if (status != 0)
@@ -143,6 +149,7 @@ int handle_putval (FILE *fh, char **fields, int fields_num)
                DEBUG ("cmd putval: Cannot parse `%s'", fields[1]);
                fprintf (fh, "-1 Cannot parse identifier.\n");
                fflush (fh);
+               sfree (identifier_copy);
                return (-1);
        }
 
@@ -154,6 +161,8 @@ int handle_putval (FILE *fh, char **fields, int fields_num)
                                && (strlen (type_instance) >= sizeof (vl.type_instance))))
        {
                fprintf (fh, "-1 Identifier too long.\n");
+               fflush (fh);
+               sfree (identifier_copy);
                return (-1);
        }
 
@@ -165,14 +174,18 @@ int handle_putval (FILE *fh, char **fields, int fields_num)
                strcpy (vl.type_instance, type_instance);
 
        ds = plugin_get_ds (type);
-       if (ds == NULL)
+       if (ds == NULL) {
+               sfree (identifier_copy);
                return (-1);
+       }
 
        vl.values_len = ds->ds_num;
        vl.values = (value_t *) malloc (vl.values_len * sizeof (value_t));
        if (vl.values == NULL)
        {
                fprintf (fh, "-1 malloc failed.\n");
+               fflush (fh);
+               sfree (identifier_copy);
                return (-1);
        }
 
@@ -211,6 +224,7 @@ int handle_putval (FILE *fh, char **fields, int fields_num)
        fflush (fh);
 
        sfree (vl.values); 
+       sfree (identifier_copy);
 
        return (0);
 } /* int handle_putval */