Module: kamailio Branch: master Commit: fbc6b275be1467871e26ea8c72f4ad6df724e2dd URL: https://github.com/kamailio/kamailio/commit/fbc6b275be1467871e26ea8c72f4ad6… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2017-06-06T11:18:30+02:00 core: catch use of numbers or reserved tokens in cfg var definitions --- Modified: src/core/cfg.y --- Diff: https://github.com/kamailio/kamailio/commit/fbc6b275be1467871e26ea8c72f4ad6… Patch: https://github.com/kamailio/kamailio/commit/fbc6b275be1467871e26ea8c72f4ad6… --- diff --git a/src/core/cfg.y b/src/core/cfg.y index 2cfc7516e1..890f964cfb 100644 --- a/src/core/cfg.y +++ b/src/core/cfg.y @@ -594,6 +594,7 @@ extern char *default_routename; %type <intval> avpflag_oper %type <intval> rve_un_op %type <strval> cfg_var_id +%type <strval> cfg_var_idn /* %type <intval> rve_op */ /*%type <route_el> rules; @@ -1588,36 +1589,44 @@ cfg_var_id: ID | DEFAULT { $$="default" ; } /*needed to allow default as cfg var. name*/ ; +cfg_var_idn: ID + | DEFAULT { $$="default" ; } /*needed to allow default as cfg var. name*/ + | NUMBER { + yyerror("cfg var field name - use of number or reserved token not allowed: %s", + yy_number_str); + } + ; + cfg_var: - cfg_var_id DOT cfg_var_id EQUAL NUMBER { + cfg_var_id DOT cfg_var_idn EQUAL NUMBER { if (cfg_declare_int($1, $3, $5, 0, 0, NULL)) { yyerror("variable cannot be declared"); } } - | cfg_var_id DOT cfg_var_id EQUAL STRING { + | cfg_var_id DOT cfg_var_idn EQUAL STRING { if (cfg_declare_str($1, $3, $5, NULL)) { yyerror("variable cannot be declared"); } } - | cfg_var_id DOT cfg_var_id EQUAL NUMBER CFG_DESCRIPTION STRING { + | cfg_var_id DOT cfg_var_idn EQUAL NUMBER CFG_DESCRIPTION STRING { if (cfg_declare_int($1, $3, $5, 0, 0, $7)) { yyerror("variable cannot be declared"); } } - | cfg_var_id DOT cfg_var_id EQUAL STRING CFG_DESCRIPTION STRING { + | cfg_var_id DOT cfg_var_idn EQUAL STRING CFG_DESCRIPTION STRING { if (cfg_declare_str($1, $3, $5, $7)) { yyerror("variable cannot be declared"); } } - | cfg_var_id DOT cfg_var_id EQUAL error { + | cfg_var_id DOT cfg_var_idn EQUAL error { yyerror("number or string expected"); } - | cfg_var_id LBRACK NUMBER RBRACK DOT cfg_var_id EQUAL NUMBER { + | cfg_var_id LBRACK NUMBER RBRACK DOT cfg_var_idn EQUAL NUMBER { if (cfg_ginst_var_int($1, $3, $6, $8)) { yyerror("variable cannot be added to the group instance"); } } - | cfg_var_id LBRACK NUMBER RBRACK DOT cfg_var_id EQUAL STRING { + | cfg_var_id LBRACK NUMBER RBRACK DOT cfg_var_idn EQUAL STRING { if (cfg_ginst_var_string($1, $3, $6, $8)) { yyerror("variable cannot be added to the group instance"); }