Module: kamailio Branch: master Commit: 76c5da5ec048cd62c0f3cab6bf38aef5f3c19248 URL: https://github.com/kamailio/kamailio/commit/76c5da5ec048cd62c0f3cab6bf38aef… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2017-03-03T09:32:05+01:00 siputils: added is_alphanumex(tval, eset) function - check if tval contains only alphanumeric characters or those from the eset parameter --- Modified: src/modules/siputils/checks.c Modified: src/modules/siputils/checks.h Modified: src/modules/siputils/doc/siputils_admin.xml Modified: src/modules/siputils/siputils.c --- Diff: https://github.com/kamailio/kamailio/commit/76c5da5ec048cd62c0f3cab6bf38aef… Patch: https://github.com/kamailio/kamailio/commit/76c5da5ec048cd62c0f3cab6bf38aef… --- diff --git a/src/modules/siputils/checks.c b/src/modules/siputils/checks.c index 1fb6060..cfddfda 100644 --- a/src/modules/siputils/checks.c +++ b/src/modules/siputils/checks.c @@ -808,18 +808,26 @@ int is_numeric(sip_msg_t *msg, char *_sp, char* _s2) } /* - * Check if the parameter contains alphanumeric characters + * Check if the parameter contains alphanumeric characters or are part of + * the second parameter */ -int is_alphanum(sip_msg_t *msg, char *_sp, char* _s2) +int is_alphanumex(sip_msg_t *msg, char *_sp, char* _se) { str tval = {0, 0}; + str eset = {0, 0}; int i; + int j; + int found; - if(fixup_get_svalue(msg, (gparam_t*)_sp, &tval)!=0) - { - LM_ERR("cannot get parameter value\n"); + if(fixup_get_svalue(msg, (gparam_t*)_sp, &tval)!=0) { + LM_ERR("cannot get tval parameter value\n"); return -1; } + if(fixup_get_svalue(msg, (gparam_t*)_se, &eset)!=0) { + LM_ERR("cannot get eset parameter value\n"); + return -1; + } + if(tval.len<=0) return -2; @@ -827,8 +835,21 @@ int is_alphanum(sip_msg_t *msg, char *_sp, char* _s2) for(; i<tval.len; i++) { if( !((tval.s[i]>='0' && tval.s[i]<='9') || (tval.s[i]>='A' && tval.s[i]<='Z') - || (tval.s[i]>='z' && tval.s[i]<='z')) ) - return -3; + || (tval.s[i]>='z' && tval.s[i]<='z')) ) { + if(eset.len<=0) { + return -3; + } + found = 0; + for(j=0; j<eset.len; j++) { + if(tval.s[i]==eset.s[j]) { + found = 1; + break; + } + } + if(found==0) { + return -3; + } + } } return 1; diff --git a/src/modules/siputils/checks.h b/src/modules/siputils/checks.h index 9b5be13..f071e24 100644 --- a/src/modules/siputils/checks.h +++ b/src/modules/siputils/checks.h @@ -129,4 +129,10 @@ int is_numeric(sip_msg_t *msg, char *_sp, char* _s2); */ int is_alphanum(sip_msg_t *msg, char *_sp, char* _s2); +/* + * Check if the parameter contains alphanumeric characters or are part of + * the second parameter + */ +int is_alphanumex(sip_msg_t *msg, char *_sp, char* _se); + #endif /* CHECKS_H */ diff --git a/src/modules/siputils/doc/siputils_admin.xml b/src/modules/siputils/doc/siputils_admin.xml index 60cb3d4..e28f7a2 100644 --- a/src/modules/siputils/doc/siputils_admin.xml +++ b/src/modules/siputils/doc/siputils_admin.xml @@ -681,6 +681,30 @@ if (is_alphanum("$rU")) { </example> </section> + <section id="siputils.f.is_alphanumex"> + <title> + <function moreinfo="none">is_alphanumex(tval, eset)</function> + </title> + <para> + Checks if the value of parameter 'tval' consists solely of decimal + digits, alphabetic ASCII characters and the characters in the + second parameter 'eset'. The parameters can include variables. + </para> + <para> + This function can be used from ANY_ROUTE. + </para> + <example> + <title><function>is_alphanumex</function> usage</title> + <programlisting format="linespecific"> +... +if (is_alphanumex("$rU", "+.-_")) { + ... +} +... +</programlisting> + </example> + </section> + <section id="siputils.f.encode_contact"> <title> <function moreinfo="none">encode_contact(encoding_prefix,hostpart)</function> diff --git a/src/modules/siputils/siputils.c b/src/modules/siputils/siputils.c index 3677086..f01bf6f 100644 --- a/src/modules/siputils/siputils.c +++ b/src/modules/siputils/siputils.c @@ -181,6 +181,8 @@ static cmd_export_t cmds[]={ 0, ANY_ROUTE}, {"is_alphanum", (cmd_function)is_alphanum, 1, fixup_spve_null, 0, ANY_ROUTE}, + {"is_alphanumex", (cmd_function)is_alphanumex, 2, fixup_spve_spve, + 0, ANY_ROUTE}, {"sip_p_charging_vector", (cmd_function)sip_handle_pcv, 1, fixup_spve_null, fixup_free_spve_null, ANY_ROUTE}, {0,0,0,0,0,0}