sr-dev January 2018

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git:5.0:8f2d55e2: erlang: fix possible memory corruption
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: 8f2d55e21e1faeff43f6e48c2e8a6cd7c3450424 URL: https://github.com/kamailio/kamailio/commit/8f2d55e21e1faeff43f6e48c2e8a6cd… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:27:16+01:00 erlang: fix possible memory corruption Allocate sufficient memory for the terminating null of the string. (cherry picked from commit 13c71a14bfe4d2ee650521086bbae9920f95fcaa) --- Modified: src/modules/erlang/handle_rpc.c --- Diff: https://github.com/kamailio/kamailio/commit/8f2d55e21e1faeff43f6e48c2e8a6cd… Patch: https://github.com/kamailio/kamailio/commit/8f2d55e21e1faeff43f6e48c2e8a6cd… --- diff --git a/src/modules/erlang/handle_rpc.c b/src/modules/erlang/handle_rpc.c index 5fe3c1f978..b852892d9d 100644 --- a/src/modules/erlang/handle_rpc.c +++ b/src/modules/erlang/handle_rpc.c @@ -223,7 +223,7 @@ int erl_rpc_add(erl_rpc_ctx_t* ctx, char* fmt, ...) param->type = ERL_STRING_EXT; param->value.S.len = strlen(char_ptr); - param->value.S.s = (char*)pkg_malloc(param->value.S.len); + param->value.S.s = (char*)pkg_malloc(param->value.S.len+1); if (!param->value.S.s) { @@ -696,7 +696,7 @@ int erl_rpc_struct_add(erl_rpc_ctx_t* ctx, char* fmt, ...) param->type = ERL_STRING_EXT; param->value.S.len = strlen(char_ptr); - param->value.S.s = (char*)pkg_malloc(param->value.S.len); + param->value.S.s = (char*)pkg_malloc(param->value.S.len+1); if (!param->value.S.s) { @@ -847,7 +847,7 @@ int erl_rpc_array_add(erl_rpc_ctx_t* ctx, char* fmt, ...) param->type = ERL_STRING_EXT; param->value.S.len = strlen(char_ptr); - param->value.S.s = (char*)pkg_malloc(param->value.S.len); + param->value.S.s = (char*)pkg_malloc(param->value.S.len+1); if (!param->value.S.s) {

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git:5.0:e1b30f13: erlang: fix never used value assigned to a variable
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: e1b30f138765eef051b1e5cd11a29d44cdb09209 URL: https://github.com/kamailio/kamailio/commit/e1b30f138765eef051b1e5cd11a29d4… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:27:08+01:00 erlang: fix never used value assigned to a variable (cherry picked from commit 6542a367638ec5f8a2b62994f8c309e7a2533962) --- Modified: src/modules/erlang/pv_xbuff.c --- Diff: https://github.com/kamailio/kamailio/commit/e1b30f138765eef051b1e5cd11a29d4… Patch: https://github.com/kamailio/kamailio/commit/e1b30f138765eef051b1e5cd11a29d4… --- diff --git a/src/modules/erlang/pv_xbuff.c b/src/modules/erlang/pv_xbuff.c index 1682e52f3b..ce6e2bd2eb 100644 --- a/src/modules/erlang/pv_xbuff.c +++ b/src/modules/erlang/pv_xbuff.c @@ -87,10 +87,10 @@ sr_xavp_t *xbuff_new(str *name) if(!xbuffs_root) { xbuff = xavp_add_xavp_value(&xbuff_list,name,&xbuff_val,xavp_get_crt_list()); + } else { + xbuff = xavp_get_child(&xbuff_list, name); } - xbuff=xavp_get_child(&xbuff_list, name); - if (!xbuff) { xbuff_val.type = SR_XTYPE_NULL;

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git:5.0:db00ca14: erlang: fix unreachable code
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: db00ca14a3d94e736a1e4bd87af3b23ce93dc037 URL: https://github.com/kamailio/kamailio/commit/db00ca14a3d94e736a1e4bd87af3b23… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:27:00+01:00 erlang: fix unreachable code (cherry picked from commit c061d6688c505544aecfc39a43e8c60d48875790) --- Modified: src/modules/erlang/handle_rpc.c --- Diff: https://github.com/kamailio/kamailio/commit/db00ca14a3d94e736a1e4bd87af3b23… Patch: https://github.com/kamailio/kamailio/commit/db00ca14a3d94e736a1e4bd87af3b23… --- diff --git a/src/modules/erlang/handle_rpc.c b/src/modules/erlang/handle_rpc.c index fccec06680..5fe3c1f978 100644 --- a/src/modules/erlang/handle_rpc.c +++ b/src/modules/erlang/handle_rpc.c @@ -1418,15 +1418,13 @@ static int find_member(erl_rpc_ctx_t *ctx, int arity, const char* member_name) erl_rpc_fault(ctx,400,"Unexpected end of struct tuple"); goto error; } - continue; + i++; } else { /* return at current position */ return 0; } - - i++; } erl_rpc_fault(ctx,400, "Member %s not found",member_name);

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git:5.0:6ae5f704: erlang: improve error handling
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: 6ae5f7048ad26cb1e7bdb0cb56b02bd8590f8f73 URL: https://github.com/kamailio/kamailio/commit/6ae5f7048ad26cb1e7bdb0cb56b02bd… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:26:53+01:00 erlang: improve error handling Ensure check value returned from function and log error. (cherry picked from commit b43609dec2c4089e02b11fd23099ab01b2ebc956) --- Modified: src/modules/erlang/handle_emsg.c Modified: src/modules/erlang/pv_xbuff.c Modified: src/modules/erlang/worker.c --- Diff: https://github.com/kamailio/kamailio/commit/6ae5f7048ad26cb1e7bdb0cb56b02bd… Patch: https://github.com/kamailio/kamailio/commit/6ae5f7048ad26cb1e7bdb0cb56b02bd… --- diff --git a/src/modules/erlang/handle_emsg.c b/src/modules/erlang/handle_emsg.c index 1e36be5cb6..96de5e01d8 100644 --- a/src/modules/erlang/handle_emsg.c +++ b/src/modules/erlang/handle_emsg.c @@ -437,7 +437,11 @@ int erlang_whereis(cnode_handler_t *phandler,erlang_ref_ex_t *ref, erlang_pid *p return 0; } - ei_decode_atom(request->buff,&request->index,route+sizeof("erlang:")-1); + if(ei_decode_atom(request->buff,&request->index,route+sizeof("erlang:")-1)) { + LM_ERR("error: badarg\n"); + ei_x_encode_atom(response,"badarg"); + return 0; + } rt = route_get(&event_rt, route); if (rt < 0 || event_rt.rlist[rt] == NULL) { @@ -820,7 +824,9 @@ int handle_erlang_msg(cnode_handler_t *phandler, erlang_msg * msg) ret = handle_req_ref_tuple(phandler, msg); break; case ERL_PID_EXT: - ei_decode_pid(request->buff,&tmpindex,&from); + if(ei_decode_pid(request->buff,&tmpindex,&from)) { + LM_ERR("failed to decode pid\n"); + } ret = handle_send(phandler, msg); break; default: diff --git a/src/modules/erlang/pv_xbuff.c b/src/modules/erlang/pv_xbuff.c index e8d26cdb9a..1682e52f3b 100644 --- a/src/modules/erlang/pv_xbuff.c +++ b/src/modules/erlang/pv_xbuff.c @@ -988,7 +988,10 @@ int xavp_decode(ei_x_buff *xbuff, int *index, sr_xavp_t **xavp,int level) return -1; } - ei_decode_atom(xbuff->buff,index,pbuf); + if (ei_decode_atom(xbuff->buff,index,pbuf)) { + LM_ERR("failed to decode atom\n"); + goto err; + } val.type = SR_XTYPE_STR; val.v.s.s = pbuf; diff --git a/src/modules/erlang/worker.c b/src/modules/erlang/worker.c index 2a02e51df6..71af3b0298 100644 --- a/src/modules/erlang/worker.c +++ b/src/modules/erlang/worker.c @@ -59,7 +59,10 @@ int handle_worker(handler_common_t *phandler) int rc; /* ensure be connected */ - enode_connect(); + if (enode_connect()){ + LM_ERR("failed to connect!\n"); + return -1; + } memset((void*)&msg,0,sizeof(msg));

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git:5.0:9d016366: erlang: fix bad free
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: 9d01636609a7cb7d187ade97953fa6e49f62413d URL: https://github.com/kamailio/kamailio/commit/9d01636609a7cb7d187ade97953fa6e… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:26:44+01:00 erlang: fix bad free Avoid to free non-pointer, likely causing a crash later. (cherry picked from commit 3680a1a6ec6971e79deb76daafc89cf2fe206c60) --- Modified: src/modules/erlang/erlang_mod.c --- Diff: https://github.com/kamailio/kamailio/commit/9d01636609a7cb7d187ade97953fa6e… Patch: https://github.com/kamailio/kamailio/commit/9d01636609a7cb7d187ade97953fa6e… --- diff --git a/src/modules/erlang/erlang_mod.c b/src/modules/erlang/erlang_mod.c index 1c3c12efeb..54d2fa1733 100644 --- a/src/modules/erlang/erlang_mod.c +++ b/src/modules/erlang/erlang_mod.c @@ -697,7 +697,6 @@ static int fixup_rpc(void** param, int param_no) if (psp->setf != pv_list_set && psp->setf != pv_xbuff_set) { LM_ERR("wrong parameter #%d: accepted types are list or xbuff\n",param_no); - pv_spec_free(&erl_param->value.sp); pkg_free((void*)erl_param); return E_UNSPEC; } @@ -916,7 +915,6 @@ static int fixup_reg(void** param, int param_no) erl_param->type = ERL_PARAM_XBUFF_SPEC; } else { LM_ERR("wrong parameter #%d\n",param_no); - pv_spec_free(&erl_param->value.sp); pkg_free((void*)erl_param); return E_UNSPEC; } @@ -1111,7 +1109,6 @@ static int fixup_reply(void** param, int param_no) erl_param->type = ERL_PARAM_XBUFF_SPEC; } else { LM_ERR("wrong parameter #%d\n",param_no); - pv_spec_free(&erl_param->value.sp); pkg_free((void*)erl_param); return E_UNSPEC; } @@ -1376,7 +1373,6 @@ static int fixup_send(void** param, int param_no) erl_param->type = ERL_PARAM_XBUFF_SPEC; } else { LM_ERR("wrong parameter #%d\n",param_no); - pv_spec_free(&erl_param->value.sp); pkg_free((void*)erl_param); return E_UNSPEC; }

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git:5.0:732680dd: erlang: fix memory leaks
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: 732680dd622a115de4dd2a93f5065d22ff5d5896 URL: https://github.com/kamailio/kamailio/commit/732680dd622a115de4dd2a93f5065d2… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:26:36+01:00 erlang: fix memory leaks Ensure free used memory if parse of params failed. (cherry picked from commit 074eda76b3c2cb418832fd4b24436bf7f109b89e) --- Modified: src/modules/erlang/erlang_mod.c --- Diff: https://github.com/kamailio/kamailio/commit/732680dd622a115de4dd2a93f5065d2… Patch: https://github.com/kamailio/kamailio/commit/732680dd622a115de4dd2a93f5065d2… --- diff --git a/src/modules/erlang/erlang_mod.c b/src/modules/erlang/erlang_mod.c index 2753842967..1c3c12efeb 100644 --- a/src/modules/erlang/erlang_mod.c +++ b/src/modules/erlang/erlang_mod.c @@ -666,6 +666,7 @@ static int fixup_rpc(void** param, int param_no) if(param_no==1 || param_no==2) { if (fix_param_types(FPARAM_STR|FPARAM_STRING|FPARAM_AVP|FPARAM_PVS|FPARAM_PVE,param)){ LM_ERR("wrong parameter #%d\n",param_no); + pkg_free((void*)erl_param); return -1; } erl_param->type = ERL_PARAM_FPARAM; @@ -873,6 +874,7 @@ static int fixup_reg(void** param, int param_no) if(param_no==1) { if (fix_param_types(FPARAM_STR|FPARAM_STRING|FPARAM_AVP|FPARAM_PVS|FPARAM_PVE|FPARAM_INT,param)){ LM_ERR("wrong parameter #%d\n",param_no); + pkg_free((void*)erl_param); return -1; } erl_param->type = ERL_PARAM_FPARAM;

1 0

git:5.0:bc8d9926: erlang: fix use of an uninitialized variable
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: bc8d9926d4d13515623ac5ae33af78db9b68cd0c URL: https://github.com/kamailio/kamailio/commit/bc8d9926d4d13515623ac5ae33af78d… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:26:27+01:00 erlang: fix use of an uninitialized variable Ensure to initialize variable before use. (cherry picked from commit a379ef730bc129b630325672c9a39aa8c59139b9) --- Modified: src/modules/erlang/erl_helpers.c Modified: src/modules/erlang/handle_emsg.c Modified: src/modules/erlang/handle_rpc.c --- Diff: https://github.com/kamailio/kamailio/commit/bc8d9926d4d13515623ac5ae33af78d… Patch: https://github.com/kamailio/kamailio/commit/bc8d9926d4d13515623ac5ae33af78d… --- diff --git a/src/modules/erlang/erl_helpers.c b/src/modules/erlang/erl_helpers.c index ddc0abc952..8c7a391830 100644 --- a/src/modules/erlang/erl_helpers.c +++ b/src/modules/erlang/erl_helpers.c @@ -73,7 +73,6 @@ int erl_passive_socket(const char *hostname, int qlen, int port; struct addrinfo *ai; struct addrinfo hints; - struct ip_addr ip; socklen_t addrlen = sizeof(struct sockaddr); memset(&hints, 0, sizeof(struct addrinfo)); @@ -103,8 +102,7 @@ int erl_passive_socket(const char *hostname, int qlen, /* initialize TCP */ #if !defined(TCP_DONT_REUSEADDR) if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(int))) { - LM_ERR("failed to enable SO_REUSEADDR for socket on %s %s, %s\n", - hostname, ip_addr2strz(&ip), strerror(errno)); + LM_ERR("failed to enable SO_REUSEADDR: %s\n", strerror(errno)); } #endif /* tos */ @@ -118,8 +116,8 @@ int erl_passive_socket(const char *hostname, int qlen, if (bind(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) { port=sockaddr_port(ai->ai_addr); - LM_CRIT("failed to bind socket on %s %s:%u. %s.\n", hostname, - ip_addr2strz(&ip), port, strerror(errno)); + LM_CRIT("failed to bind socket on %s:%u. %s.\n", hostname, + port, strerror(errno)); erl_close_socket(sockfd); freeaddrinfo(ai); @@ -128,8 +126,8 @@ int erl_passive_socket(const char *hostname, int qlen, if (ai->ai_socktype == SOCK_STREAM && listen(sockfd, qlen) < 0) { - LM_CRIT("failed to listen socket on %s, %s. %s.\n", hostname, - ip_addr2strz(&ip), strerror(errno)); + LM_CRIT("failed to listen socket on %s: %s.\n", hostname, + strerror(errno)); erl_close_socket(sockfd); freeaddrinfo(ai); diff --git a/src/modules/erlang/handle_emsg.c b/src/modules/erlang/handle_emsg.c index fe30b8d2ee..1e36be5cb6 100644 --- a/src/modules/erlang/handle_emsg.c +++ b/src/modules/erlang/handle_emsg.c @@ -640,6 +640,8 @@ int handle_rex_msg(cnode_handler_t *phandler, erlang_msg * msg) ei_x_buff *request = &phandler->request; ei_x_buff *response = &phandler->response; + memset((void*)&ref,0,sizeof(erlang_ref_ex_t)); + /* start from first arg */ request->index = 0; ei_decode_version(request->buff, &request->index, &version); diff --git a/src/modules/erlang/handle_rpc.c b/src/modules/erlang/handle_rpc.c index 5ca9ef21af..fccec06680 100644 --- a/src/modules/erlang/handle_rpc.c +++ b/src/modules/erlang/handle_rpc.c @@ -1138,6 +1138,8 @@ static int get_int(int *int_ptr,erl_rpc_ctx_t *ctx, int reads, int autoconvert) return -1; } + ei_decode_string(ctx->request->buff, &ctx->request_index, p); + *int_ptr = strtol(p,&endptr,10); if (p == endptr) { @@ -1217,6 +1219,8 @@ static int get_double(double *double_prt,erl_rpc_ctx_t *ctx, int reads, int auto return -1; } + ei_decode_string(ctx->request->buff, &ctx->request_index, p); + *double_prt = strtod(p,&endptr); if (p == endptr) {

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git:5.0:99f3b4c6: erlang: fix copy into fixed size buffer of node name
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.0 Commit: 99f3b4c687b12eeff4f45359404886dd1ce29537 URL: https://github.com/kamailio/kamailio/commit/99f3b4c687b12eeff4f45359404886d… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:26:19+01:00 erlang: fix copy into fixed size buffer of node name Use length of node name string to avoid write past the end of the fixed-size destination buffer. (cherry picked from commit 53a76a4ae828cf08fbdebe08918706bd7d7d76d2) --- Modified: src/modules/erlang/cnode.c --- Diff: https://github.com/kamailio/kamailio/commit/99f3b4c687b12eeff4f45359404886d… Patch: https://github.com/kamailio/kamailio/commit/99f3b4c687b12eeff4f45359404886d… --- diff --git a/src/modules/erlang/cnode.c b/src/modules/erlang/cnode.c index 0eae7a716c..ce24c1dff4 100644 --- a/src/modules/erlang/cnode.c +++ b/src/modules/erlang/cnode.c @@ -111,7 +111,8 @@ int cnode_connect_to(cnode_handler_t *phandler, ei_cnode *ec, const str *nodenam LM_DBG("... connected to %.*s %s:%u\n", STR_FMT(nodename), ip_addr2strz(&ip), port); } - strcpy(phandler->conn.nodename, nodename->s); + strncpy(phandler->conn.nodename, nodename->s, nodename->len); + phandler->conn.nodename[nodename->len] = 0; /* for #Pid */ phandler->ec.self.num = phandler->sockfd;

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git:5.1:a6480c2b: erlang: fix restore index of parsed tuple
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.1 Commit: a6480c2b8f63ed02aebc13152b8c36149acaf92b URL: https://github.com/kamailio/kamailio/commit/a6480c2b8f63ed02aebc13152b8c361… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:28:01+01:00 erlang: fix restore index of parsed tuple Avoid to change origin index while parsing tuple. (cherry picked from commit 74778f3ac75432d475e9d54dc56f9c3b95c178a5) --- Modified: src/modules/erlang/handle_rpc.c --- Diff: https://github.com/kamailio/kamailio/commit/a6480c2b8f63ed02aebc13152b8c361… Patch: https://github.com/kamailio/kamailio/commit/a6480c2b8f63ed02aebc13152b8c361… --- diff --git a/src/modules/erlang/handle_rpc.c b/src/modules/erlang/handle_rpc.c index b852892d9d..d45351bcc2 100644 --- a/src/modules/erlang/handle_rpc.c +++ b/src/modules/erlang/handle_rpc.c @@ -486,10 +486,10 @@ int erl_rpc_struct_scan(erl_rpc_ctx_t* ctx, char* fmt, ...) va_list ap; - /* save index */ + /* preserve index */ index = ctx->request_index; - if(ei_decode_tuple_header(ctx->request->buff,&ctx->request_index, &arity)) + if(ei_decode_tuple_header(ctx->request->buff,&index, &arity)) { erl_rpc_fault(ctx,400,"Bad tuple"); return -1; @@ -561,9 +561,6 @@ int erl_rpc_struct_scan(erl_rpc_ctx_t* ctx, char* fmt, ...) fmt++; } - /* restore index */ - ctx->request_index = index; - va_end(ap); return reads-modifiers;

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git:5.1:867f8d18: erlang: fix possible memory corruption
by Seudin Kasumovic 04 Jan '18

04 Jan '18

Module: kamailio Branch: 5.1 Commit: 867f8d18ed2a1c8c2af4e382942ca0d15789e8cb URL: https://github.com/kamailio/kamailio/commit/867f8d18ed2a1c8c2af4e382942ca0d… Author: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Committer: Seudin Kasumovic <seudin.kasumovic(a)gmail.com> Date: 2018-01-04T09:24:43+01:00 erlang: fix possible memory corruption Allocate sufficient memory for the terminating null of the string. (cherry picked from commit 13c71a14bfe4d2ee650521086bbae9920f95fcaa) --- Modified: src/modules/erlang/handle_rpc.c --- Diff: https://github.com/kamailio/kamailio/commit/867f8d18ed2a1c8c2af4e382942ca0d… Patch: https://github.com/kamailio/kamailio/commit/867f8d18ed2a1c8c2af4e382942ca0d… --- diff --git a/src/modules/erlang/handle_rpc.c b/src/modules/erlang/handle_rpc.c index 5fe3c1f978..b852892d9d 100644 --- a/src/modules/erlang/handle_rpc.c +++ b/src/modules/erlang/handle_rpc.c @@ -223,7 +223,7 @@ int erl_rpc_add(erl_rpc_ctx_t* ctx, char* fmt, ...) param->type = ERL_STRING_EXT; param->value.S.len = strlen(char_ptr); - param->value.S.s = (char*)pkg_malloc(param->value.S.len); + param->value.S.s = (char*)pkg_malloc(param->value.S.len+1); if (!param->value.S.s) { @@ -696,7 +696,7 @@ int erl_rpc_struct_add(erl_rpc_ctx_t* ctx, char* fmt, ...) param->type = ERL_STRING_EXT; param->value.S.len = strlen(char_ptr); - param->value.S.s = (char*)pkg_malloc(param->value.S.len); + param->value.S.s = (char*)pkg_malloc(param->value.S.len+1); if (!param->value.S.s) { @@ -847,7 +847,7 @@ int erl_rpc_array_add(erl_rpc_ctx_t* ctx, char* fmt, ...) param->type = ERL_STRING_EXT; param->value.S.len = strlen(char_ptr); - param->value.S.s = (char*)pkg_malloc(param->value.S.len); + param->value.S.s = (char*)pkg_malloc(param->value.S.len+1); if (!param->value.S.s) {

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sr-dev January 2018