[sr-dev] git:5.5:efb164b7: pv: support escaped chars for s.select separator

Module: kamailio Branch: 5.5 Commit: efb164b78ac97d83c12846a35c60fa47fd2d984c URL: https://github.com/kamailio/kamailio/commit/efb164b78ac97d83c12846a35c60fa4… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2021-05-26T08:13:49+02:00 pv: support escaped chars for s.select separator - \\, \n, \r, \t (cherry picked from commit f2973cf0dce0de5c002ac8ee61ac7e829823ed0e) --- Modified: src/modules/pv/pv_trans.c --- Diff: https://github.com/kamailio/kamailio/commit/efb164b78ac97d83c12846a35c60fa4… Patch: https://github.com/kamailio/kamailio/commit/efb164b78ac97d83c12846a35c60fa4… --- diff --git a/src/modules/pv/pv_trans.c b/src/modules/pv/pv_trans.c index c9e7438b83..2f10f67080 100644 --- a/src/modules/pv/pv_trans.c +++ b/src/modules/pv/pv_trans.c @@ -191,6 +191,7 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, { int i, j, max; char *p, *s; + char c; str st, st2; pv_value_t v, w; time_t t; @@ -731,6 +732,28 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, } i = v.ri; } + if(tp->next->v.s.len>1) { + switch(tp->next->v.s.s[1]) { + case '\\': + c = '\\'; + break; + case 'n': + c = '\n'; + break; + case 'r': + c = '\r'; + break; + case 't': + c = '\t'; + break; + default: + LM_ERR("invalid select escape char (cfg line: %d)\n", + get_cfg_crt_line()); + return -1; + } + } else { + c = tp->next->v.s.s[0]; + } val->flags = PV_VAL_STR; val->ri = 0; if(i<0) @@ -741,7 +764,7 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, i--; while(p>=val->rs.s) { - if(*p==tp->next->v.s.s[0]) + if(*p==c) { if(i==0) break; @@ -762,7 +785,7 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, p = s; while(p<val->rs.s+val->rs.len) { - if(*p==tp->next->v.s.s[0]) + if(*p==c) { if(i==0) break; @@ -2728,6 +2751,15 @@ char* tr_parse_string(str* in, trans_t *t) tp->type = TR_PARAM_STRING; tp->v.s.s = p; tp->v.s.len = 1; + if(*p=='\\') { + if(*p=='\\' || *p=='n' || *p=='r' || *p=='t') { + p++; + tp->v.s.len = 2; + } else { + LM_ERR("unexpected escape char: %c\n", *p); + goto error; + } + } t->params->next = tp; tp = 0; p++;