Module: kamailio Branch: master Commit: 5430f7e1ea98f268b0ba7aef88a7e471e6940c4d URL: https://github.com/kamailio/kamailio/commit/5430f7e1ea98f268b0ba7aef88a7e47… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2023-11-24T12:53:13+01:00 core: added core parameter mem_add_size - default value 0 - to be used to add extra space to allocated chunks for safety purposes when external libraries expose buffer overflows --- Modified: src/core/cfg.lex Modified: src/core/cfg.y Modified: src/core/globals.h Modified: src/main.c --- Diff: https://github.com/kamailio/kamailio/commit/5430f7e1ea98f268b0ba7aef88a7e47… Patch: https://github.com/kamailio/kamailio/commit/5430f7e1ea98f268b0ba7aef88a7e47… --- diff --git a/src/core/cfg.lex b/src/core/cfg.lex index e1c9215cd7e..be4467efa88 100644 --- a/src/core/cfg.lex +++ b/src/core/cfg.lex @@ -385,6 +385,7 @@ MEMLOG "memlog"|"mem_log" MEMDBG "memdbg"|"mem_dbg" MEMSUM "mem_summary" MEMSAFETY "mem_safety" +MEMADDSIZE "mem_add_size" MEMJOIN "mem_join" MEMSTATUSMODE "mem_status_mode" CORELOG "corelog"|"core_log" @@ -874,6 +875,7 @@ IMPORTFILE "import_file" <INITIAL>{MEMDBG} { count(); yylval.strval=yytext; return MEMDBG; } <INITIAL>{MEMSUM} { count(); yylval.strval=yytext; return MEMSUM; } <INITIAL>{MEMSAFETY} { count(); yylval.strval=yytext; return MEMSAFETY; } +<INITIAL>{MEMADDSIZE} { count(); yylval.strval=yytext; return MEMADDSIZE; } <INITIAL>{MEMJOIN} { count(); yylval.strval=yytext; return MEMJOIN; } <INITIAL>{MEMSTATUSMODE} { count(); yylval.strval=yytext; return MEMSTATUSMODE; } <INITIAL>{SIP_PARSER_LOG_ONELINE} { count(); yylval.strval=yytext; return SIP_PARSER_LOG_ONELINE; } diff --git a/src/core/cfg.y b/src/core/cfg.y index b9e293aa923..545ca7fdc66 100644 --- a/src/core/cfg.y +++ b/src/core/cfg.y @@ -401,6 +401,7 @@ extern char *default_routename; %token MEMDBG %token MEMSUM %token MEMSAFETY +%token MEMADDSIZE %token MEMJOIN %token MEMSTATUSMODE %token SIP_PARSER_LOG_ONELINE @@ -1072,6 +1073,8 @@ assign_stm: | MEMSUM EQUAL error { yyerror("int value expected"); } | MEMSAFETY EQUAL intno { default_core_cfg.mem_safety=$3; } | MEMSAFETY EQUAL error { yyerror("int value expected"); } + | MEMADDSIZE EQUAL intno { ksr_mem_add_size=$3; } + | MEMADDSIZE EQUAL error { yyerror("int value expected"); } | MEMJOIN EQUAL intno { default_core_cfg.mem_join=$3; } | MEMJOIN EQUAL error { yyerror("int value expected"); } | MEMSTATUSMODE EQUAL intno { default_core_cfg.mem_status_mode=$3; } diff --git a/src/core/globals.h b/src/core/globals.h index f097d120c96..f8b77edb328 100644 --- a/src/core/globals.h +++ b/src/core/globals.h @@ -165,6 +165,8 @@ extern int reply_to_via; extern int _ksr_is_main; extern int fixup_complete; +extern int ksr_mem_add_size; + /* debugging level for dumping memory status */ extern int memlog; /* debugging level for malloc debugging messages */ diff --git a/src/main.c b/src/main.c index 2231fa2c945..db694381421 100644 --- a/src/main.c +++ b/src/main.c @@ -547,6 +547,7 @@ static int *_sr_instance_started = NULL; int ksr_cfg_print_mode = 0; int ksr_atexit_mode = 0; +int ksr_mem_add_size = 0; int ksr_wait_worker1_mode = 0; int ksr_wait_worker1_time = 4000000;