Module: kamailio Branch: master Commit: 82acaac1baceac4b2c81ecd70591021497a725b7 URL: https://github.com/kamailio/kamailio/commit/82acaac1baceac4b2c81ecd70591021… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2017-01-06T08:42:16+01:00 ctl: handle null string value in rpc response --- Modified: src/modules/ctl/binrpc.h Modified: src/modules/ctl/binrpc_run.c --- Diff: https://github.com/kamailio/kamailio/commit/82acaac1baceac4b2c81ecd70591021… Patch: https://github.com/kamailio/kamailio/commit/82acaac1baceac4b2c81ecd70591021… --- diff --git a/src/modules/ctl/binrpc.h b/src/modules/ctl/binrpc.h index cee48e2..2e33a39 100644 --- a/src/modules/ctl/binrpc.h +++ b/src/modules/ctl/binrpc.h @@ -359,7 +359,7 @@ inline static int binrpc_add_int_type(struct binrpc_pkt* pkt, int i, int type) */ inline static int binrpc_add_skip(struct binrpc_pkt* pkt, int bytes) { - + if ((pkt->crt+bytes)>=pkt->end) return E_BINRPC_OVERFLOW; pkt->crt+=bytes; @@ -373,7 +373,7 @@ inline static int binrpc_add_skip(struct binrpc_pkt* pkt, int bytes) * manually later (and also use binrpc_add_skip(pkt, l) or increase * pkt->crt directly if you want to continue adding to this pkt). * Usefull for optimizing str writing (e.g. writev(iovec)) - * WARNING: use with care, low level function, binrpc_addstr or + * WARNING: use with care, low level function, binrpc_addstr or * binrpc_add_str_type are probably what you want. * WARNING1: BINRPC_T_STR and BINRPC_T_AVP must be 0 term, the len passed to * this function, must include the \0 in this case. @@ -383,7 +383,7 @@ inline static int binrpc_add_str_mark(struct binrpc_pkt* pkt, int type, { int size; unsigned char* p; - + if (pkt->crt>=pkt->end) goto error_len; if (l<8){ size=l; @@ -410,7 +410,7 @@ inline static int binrpc_add_str_type(struct binrpc_pkt* pkt, char* s, int len, int l; int zero_term; /* whether or not to add an extra 0 at the end */ unsigned char* p; - + zero_term=((type==BINRPC_T_STR)||(type==BINRPC_T_AVP)); l=len+zero_term; if (l<8){ @@ -439,7 +439,7 @@ inline static int binrpc_addavp(struct binrpc_pkt* pkt, struct binrpc_val* avp) { int ret; unsigned char* bak; - + bak=pkt->crt; ret=binrpc_add_str_type(pkt, avp->name.s, avp->name.len, BINRPC_T_AVP); if (ret<0) return ret; @@ -449,7 +449,7 @@ inline static int binrpc_addavp(struct binrpc_pkt* pkt, struct binrpc_val* avp) break; case BINRPC_T_STR: case BINRPC_T_BYTES: - ret=binrpc_add_str_type(pkt, avp->u.strval.s, + ret=binrpc_add_str_type(pkt, avp->u.strval.s, avp->u.strval.len, avp->type); break; @@ -457,7 +457,7 @@ inline static int binrpc_addavp(struct binrpc_pkt* pkt, struct binrpc_val* avp) case BINRPC_T_ARRAY: ret=binrpc_add_tag(pkt, avp->type, 0); break; - case BINRPC_T_DOUBLE: + case BINRPC_T_DOUBLE: ret=binrpc_add_double_type(pkt, avp->u.fval, avp->type); break; default: diff --git a/src/modules/ctl/binrpc_run.c b/src/modules/ctl/binrpc_run.c index 76893eb..e90e1bb 100644 --- a/src/modules/ctl/binrpc_run.c +++ b/src/modules/ctl/binrpc_run.c @@ -1070,8 +1070,9 @@ static int rpc_struct_add(struct rpc_struct_l* s, char* fmt, ...) case 's': /* asciiz */ avp.type=BINRPC_T_STR; avp.u.strval.s=va_arg(ap, char*); - if (avp.u.strval.s) - avp.u.strval.len=strlen(avp.u.strval.s); + if (avp.u.strval.s==0) /* fix null strings */ + avp.u.strval.s="<null string>"; + avp.u.strval.len=strlen(avp.u.strval.s); break; case 'S': /* str */ avp.type=BINRPC_T_STR; @@ -1098,13 +1099,13 @@ static int rpc_struct_add(struct rpc_struct_l* s, char* fmt, ...) } clist_append(&s->substructs, rs, next, prev); *(va_arg(ap, void**))=rs; - goto end; + break; case 'f': avp.type=BINRPC_T_DOUBLE; avp.u.fval=va_arg(ap, double); break; default: - LM_ERR("formatting char \'%c\'" " not supported\n", *fmt); + LM_ERR("formatting char \'%c\' not supported\n", *fmt); goto error; } err=binrpc_addavp(&s->pkt, &avp);