#include <apt-pkg/fileutl.h>
#include <apt-pkg/error.h>
+#include <algorithm>
+#include <iomanip>
+#include <locale>
+#include <sstream>
+#include <string>
+#include <vector>
+
#include <stddef.h>
#include <stdlib.h>
#include <time.h>
-#include <string>
-#include <vector>
#include <ctype.h>
#include <string.h>
-#include <sstream>
#include <stdio.h>
-#include <algorithm>
#include <unistd.h>
#include <regex.h>
#include <errno.h>
{
if (end.size() > s.size())
return false;
- return (s.substr(s.size() - end.size(), s.size()) == end);
+ return (s.compare(s.size() - end.size(), end.size(), end) == 0);
}
bool Startswith(const std::string &s, const std::string &start)
{
if (start.size() > s.size())
return false;
- return (s.substr(0, start.size()) == start);
+ return (s.compare(0, start.size(), start) == 0);
}
}
*I == 0x25 || // percent '%' char
*I <= 0x20 || *I >= 0x7F) // control chars
{
- ioprintf(Res,"%%%02x",(int)*I);
+ ioprintf(Res, "%%%02hhx", *I);
}
else
Res << *I;
if (OldPos >= Str.length())
return Temp;
- return Temp + string(Str,OldPos);
+
+ Temp.append(Str, OldPos, string::npos);
+ return Temp;
}
string SubstVar(string Str,const struct SubstVar *Vars)
{
// Find the end of line and strip the leading/trailing spaces
string::const_iterator J;
I += Length + 1;
- for (; isspace(*I) != 0 && I < Message.end(); ++I);
+ for (; isspace_ascii(*I) != 0 && I < Message.end(); ++I);
for (J = I; *J != '\n' && J < Message.end(); ++J);
- for (; J > I && isspace(J[-1]) != 0; --J);
+ for (; J > I && isspace_ascii(J[-1]) != 0; --J);
return string(I,J);
}
if (gmtime_r(&Date, &Conv) == NULL)
return "";
- char Buf[300];
- const char *Day[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
- const char *Month[] = {"Jan","Feb","Mar","Apr","May","Jun","Jul",
- "Aug","Sep","Oct","Nov","Dec"};
-
- snprintf(Buf, sizeof(Buf), "%s, %02i %s %i %02i:%02i:%02i GMT",Day[Conv.tm_wday],
- Conv.tm_mday,Month[Conv.tm_mon],Conv.tm_year+1900,Conv.tm_hour,
- Conv.tm_min,Conv.tm_sec);
- return Buf;
+ auto const posix = std::locale("C.UTF-8");
+ std::ostringstream datestr;
+ datestr.imbue(posix);
+ datestr << std::put_time(&Conv, "%a, %d %b %Y %H:%M:%S GMT");
+ return datestr.str();
}
/*}}}*/
// ReadMessages - Read messages from the FD /*{{{*/
return false;
// No data
+#if EAGAIN != EWOULDBLOCK
if (Res < 0 && (errno == EAGAIN || errno == EWOULDBLOCK))
+#else
+ if (Res < 0 && errno == EAGAIN)
+#endif
return true;
if (Res < 0)
return false;
}
#endif
/*}}}*/
-// FullDateToTime - Converts a HTTP1.1 full date strings into a time_t /*{{{*/
+// RFC1123StrToTime - Converts a HTTP1.1 full date strings into a time_t /*{{{*/
// ---------------------------------------------------------------------
-/* tries to parses a full date as specified in RFC2616 Section 3.3.1
- with one exception: All timezones (%Z) are accepted but the protocol
- says that it MUST be GMT, but this one is equal to UTC which we will
- encounter from time to time (e.g. in Release files) so we accept all
- here and just assume it is GMT (or UTC) later on */
+/* tries to parses a full date as specified in RFC7231 ยง7.1.1.1
+ with one exception: HTTP/1.1 valid dates need to have GMT as timezone.
+ As we encounter dates from UTC or with a numeric timezone in other places,
+ we allow them here to to be able to reuse the method. Either way, a date
+ must be in UTC or parsing will fail. Previous implementations of this
+ method used to ignore the timezone and assume always UTC. */
bool RFC1123StrToTime(const char* const str,time_t &time)
{
- struct tm Tm;
- setlocale (LC_ALL,"C");
- bool const invalid =
- // Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
- (strptime(str, "%a, %d %b %Y %H:%M:%S %Z", &Tm) == NULL &&
- // Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
- strptime(str, "%A, %d-%b-%y %H:%M:%S %Z", &Tm) == NULL &&
- // Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
- strptime(str, "%a %b %d %H:%M:%S %Y", &Tm) == NULL);
- setlocale (LC_ALL,"");
- if (invalid == true)
+ struct tm t;
+ auto const &posix = std::locale("C.UTF-8");
+ auto const parse_time = [&](char const * const s, bool const has_timezone) {
+ std::istringstream ss(str);
+ ss.imbue(posix);
+ ss >> std::get_time(&t, s);
+ if (has_timezone && ss.fail() == false)
+ {
+ std::string timezone;
+ ss >> timezone;
+ if (timezone.empty())
+ return false;
+ if (timezone != "GMT" && timezone != "UTC" && timezone != "Z") // RFC 822
+ {
+ // numeric timezones as a should of RFC 1123 and generally preferred
+ try {
+ size_t pos;
+ auto const zone = std::stoi(timezone, &pos);
+ if (zone != 0 || pos != timezone.length())
+ return false;
+ } catch (...) {
+ return false;
+ }
+ }
+ }
+ t.tm_isdst = 0;
+ return ss.fail() == false;
+ };
+
+ bool const good =
+ // Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
+ parse_time("%a, %d %b %Y %H:%M:%S", true) ||
+ // Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
+ parse_time("%A, %d-%b-%y %H:%M:%S", true) ||
+ // Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
+ parse_time("%c", false); // "%a %b %d %H:%M:%S %Y"
+ if (good == false)
return false;
- time = timegm(&Tm);
+ time = timegm(&t);
return true;
}
/*}}}*/
return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
- return 0;
+ return -1;
}
/*}}}*/
// Hex2Num - Convert a long hex number into a buffer /*{{{*/
// ---------------------------------------------------------------------
/* The length of the buffer must be exactly 1/2 the length of the string. */
bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length)
+{
+ return Hex2Num(APT::StringView(Str), Num, Length);
+}
+
+bool Hex2Num(const APT::StringView Str,unsigned char *Num,unsigned int Length)
{
if (Str.length() != Length*2)
return false;
// Convert each digit. We store it in the same order as the string
int J = 0;
- for (string::const_iterator I = Str.begin(); I != Str.end();J++, I += 2)
+ for (auto I = Str.begin(); I != Str.end();J++, I += 2)
{
- if (isxdigit(*I) == 0 || isxdigit(I[1]) == 0)
+ int first_half = HexDigit(I[0]);
+ int second_half;
+ if (first_half < 0)
return false;
- Num[J] = HexDigit(I[0]) << 4;
- Num[J] += HexDigit(I[1]);
+ second_half = HexDigit(I[1]);
+ if (second_half < 0)
+ return false;
+ Num[J] = first_half << 4;
+ Num[J] += second_half;
}
return true;
vector<string> split;
size_t start, pos;
- // no seperator given, this is bogus
+ // no separator given, this is bogus
if(sep.size() == 0)
return split;
return VerStr.substr(i+1);
}
/*}}}*/
+
// tolower_ascii - tolower() function that ignores the locale /*{{{*/
// ---------------------------------------------------------------------
/* This little function is the most called method we have and tries
therefore to do the absolut minimum - and is notable faster than
standard tolower/toupper and as a bonus avoids problems with different
locales - we only operate on ascii chars anyway. */
+#undef tolower_ascii
+int tolower_ascii(int const c) APT_CONST APT_COLD;
int tolower_ascii(int const c)
{
- if (c >= 'A' && c <= 'Z')
- return c + 32;
- return c;
+ return tolower_ascii_inline(c);
+}
+ /*}}}*/
+
+// isspace_ascii - isspace() function that ignores the locale /*{{{*/
+// ---------------------------------------------------------------------
+/* This little function is one of the most called methods we have and tries
+ therefore to do the absolut minimum - and is notable faster than
+ standard isspace() and as a bonus avoids problems with different
+ locales - we only operate on ascii chars anyway. */
+#undef isspace_ascii
+int isspace_ascii(int const c) APT_CONST APT_COLD;
+int isspace_ascii(int const c)
+{
+ return isspace_ascii_inline(c);
}
/*}}}*/
Res << Host;
if (Port != 0)
- Res << ':' << Port;
+ Res << ':' << std::to_string(Port);
}
if (Path.empty() == false)
projects / apt.git / blobdiff