| -rw-r--r-- | lib/util.cc | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/lib/util.cc b/lib/util.cc index d979502..a46ba2a 100644 --- a/lib/util.cc +++ b/lib/util.cc @@ -77,123 +77,138 @@ namespace opkele { throw; } } /* * big numerics */ BIGNUM *base64_to_bignum(const string& b64) { vector<unsigned char> bin; decode_base64(b64,bin); BIGNUM *rv = BN_bin2bn(&(bin.front()),bin.size(),0); if(!rv) throw failed_conversion(OPKELE_CP_ "failed to BN_bin2bn()"); return rv; } BIGNUM *dec_to_bignum(const string& dec) { BIGNUM *rv = 0; if(!BN_dec2bn(&rv,dec.c_str())) throw failed_conversion(OPKELE_CP_ "failed to BN_dec2bn()"); return rv; } string bignum_to_base64(const BIGNUM *bn) { vector<unsigned char> bin(BN_num_bytes(bn)+1); unsigned char *binptr = &(bin.front())+1; int l = BN_bn2bin(bn,binptr); if(l && (*binptr)&0x80){ (*(--binptr)) = 0; ++l; } return encode_base64(binptr,l); } /* * w3c times */ string time_to_w3c(time_t t) { struct tm tm_t; if(!gmtime_r(&t,&tm_t)) throw failed_conversion(OPKELE_CP_ "failed to BN_dec2bn()"); char rv[25]; if(!strftime(rv,sizeof(rv)-1,"%Y-%m-%dT%H:%M:%SZ",&tm_t)) throw failed_conversion(OPKELE_CP_ "failed to strftime()"); return rv; } +#ifndef HAVE_TIMEGM + static time_t timegm(struct tm *t) { + char *tz = getenv("TZ"); + setenv("TZ","",1); tzset(); + time_t rv = mktime(t); + if(tz) + setenv("TZ",tz,1); + else + unsetenv("TZ"); + tzset(); + return rv; + } +# define timegm opkele::util::timegm +#endif /* HAVE_TIMEGM */ + time_t w3c_to_time(const string& w) { int fraction; struct tm tm_t; memset(&tm_t,0,sizeof(tm_t)); if( ( sscanf( w.c_str(), "%04d-%02d-%02dT%02d:%02d:%02dZ", &tm_t.tm_year,&tm_t.tm_mon,&tm_t.tm_mday, &tm_t.tm_hour,&tm_t.tm_min,&tm_t.tm_sec ) != 6 ) && ( sscanf( w.c_str(), "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", &tm_t.tm_year,&tm_t.tm_mon,&tm_t.tm_mday, &tm_t.tm_hour,&tm_t.tm_min,&tm_t.tm_sec, &fraction ) != 7 ) ) throw failed_conversion(OPKELE_CP_ "failed to sscanf()"); tm_t.tm_mon--; tm_t.tm_year-=1900; - time_t rv = mktime(&tm_t); + time_t rv = timegm(&tm_t); if(rv==(time_t)-1) - throw failed_conversion(OPKELE_CP_ "failed to mktime()"); - return rv-timezone; + throw failed_conversion(OPKELE_CP_ "failed to gmtime()"); + return rv; } /* * */ static inline bool isrfc3986unreserved(int c) { if(c<'-') return false; if(c<='.') return true; if(c<'0') return false; if(c<='9') return true; if(c<'A') return false; if(c<='Z') return true; if(c<'_') return false; if(c=='_') return true; if(c<'a') return false; if(c<='z') return true; if(c=='~') return true; return false; } struct __url_encoder : public unary_function<char,void> { public: string& rv; __url_encoder(string& r) : rv(r) { } result_type operator()(argument_type c) { if(isrfc3986unreserved(c)) rv += c; else{ char tmp[4]; snprintf(tmp,sizeof(tmp),"%%%02X", (c&0xff)); rv += tmp; } } }; string url_encode(const string& str) { string rv; for_each(str.begin(),str.end(), __url_encoder(rv)); return rv; } string url_decode(const string& str) { string rv; back_insert_iterator<string> ii(rv); for(string::const_iterator i=str.begin(),ie=str.end(); i!=ie;++i) { |