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-rw-r--r--apt-pkg/contrib/strutl.cc88
1 files changed, 59 insertions, 29 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 8e8820949..c7d63ce8a 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -198,7 +198,8 @@ bool ParseQuoteWord(const char *&String,string &Res)
char *I;
for (I = Buffer; I < Buffer + sizeof(Buffer) && Start != C; I++)
{
- if (*Start == '%' && Start + 2 < C)
+ if (*Start == '%' && Start + 2 < C &&
+ isxdigit(Start[1]) && isxdigit(Start[2]))
{
Tmp[0] = Start[1];
Tmp[1] = Start[2];
@@ -273,7 +274,8 @@ string QuoteString(const string &Str, const char *Bad)
for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
{
if (strchr(Bad,*I) != 0 || isprint(*I) == 0 ||
- *I <= 0x20 || *I >= 0x7F)
+ *I == 0x25 || // percent '%' char
+ *I <= 0x20 || *I >= 0x7F) // control chars
{
char Buf[10];
sprintf(Buf,"%%%02x",(int)*I);
@@ -290,10 +292,16 @@ string QuoteString(const string &Str, const char *Bad)
/* This undoes QuoteString */
string DeQuoteString(const string &Str)
{
+ return DeQuoteString(Str.begin(),Str.end());
+}
+string DeQuoteString(string::const_iterator const &begin,
+ string::const_iterator const &end)
+{
string Res;
- for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
+ for (string::const_iterator I = begin; I != end; I++)
{
- if (*I == '%' && I + 2 < Str.end())
+ if (*I == '%' && I + 2 < end &&
+ isxdigit(I[1]) && isxdigit(I[2]))
{
char Tmp[3];
Tmp[0] = I[1];
@@ -566,7 +574,7 @@ int stringcmp(string::const_iterator A,string::const_iterator AEnd,
int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd)
{
for (; A != AEnd && B != BEnd; A++, B++)
- if (toupper(*A) != toupper(*B))
+ if (tolower_ascii(*A) != tolower_ascii(*B))
break;
if (A == AEnd && B == BEnd)
@@ -575,7 +583,7 @@ int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd)
return 1;
if (B == BEnd)
return -1;
- if (toupper(*A) < toupper(*B))
+ if (tolower_ascii(*A) < tolower_ascii(*B))
return -1;
return 1;
}
@@ -584,7 +592,7 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
const char *B,const char *BEnd)
{
for (; A != AEnd && B != BEnd; A++, B++)
- if (toupper(*A) != toupper(*B))
+ if (tolower_ascii(*A) != tolower_ascii(*B))
break;
if (A == AEnd && B == BEnd)
@@ -593,7 +601,7 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
return 1;
if (B == BEnd)
return -1;
- if (toupper(*A) < toupper(*B))
+ if (tolower_ascii(*A) < tolower_ascii(*B))
return -1;
return 1;
}
@@ -601,7 +609,7 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
string::const_iterator B,string::const_iterator BEnd)
{
for (; A != AEnd && B != BEnd; A++, B++)
- if (toupper(*A) != toupper(*B))
+ if (tolower_ascii(*A) != tolower_ascii(*B))
break;
if (A == AEnd && B == BEnd)
@@ -610,7 +618,7 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
return 1;
if (B == BEnd)
return -1;
- if (toupper(*A) < toupper(*B))
+ if (tolower_ascii(*A) < tolower_ascii(*B))
return -1;
return 1;
}
@@ -789,28 +797,28 @@ bool ReadMessages(int Fd, vector<string> &List)
// MonthConv - Converts a month string into a number /*{{{*/
// ---------------------------------------------------------------------
/* This was lifted from the boa webserver which lifted it from 'wn-v1.07'
- Made it a bit more robust with a few touppers though. */
+ Made it a bit more robust with a few tolower_ascii though. */
static int MonthConv(char *Month)
{
- switch (toupper(*Month))
+ switch (tolower_ascii(*Month))
{
- case 'A':
- return toupper(Month[1]) == 'P'?3:7;
- case 'D':
+ case 'a':
+ return tolower_ascii(Month[1]) == 'p'?3:7;
+ case 'd':
return 11;
- case 'F':
+ case 'f':
return 1;
- case 'J':
- if (toupper(Month[1]) == 'A')
+ case 'j':
+ if (tolower_ascii(Month[1]) == 'a')
return 0;
- return toupper(Month[2]) == 'N'?5:6;
- case 'M':
- return toupper(Month[2]) == 'R'?2:4;
- case 'N':
+ return tolower_ascii(Month[2]) == 'n'?5:6;
+ case 'm':
+ return tolower_ascii(Month[2]) == 'r'?2:4;
+ case 'n':
return 10;
- case 'O':
+ case 'o':
return 9;
- case 'S':
+ case 's':
return 8;
// Pretend it is January..
@@ -1000,6 +1008,24 @@ bool TokSplitString(char Tok,char *Input,char **List,
return true;
}
/*}}}*/
+// VectorizeString - Split a string up into a vector of strings /*{{{*/
+// ---------------------------------------------------------------------
+/* This can be used to split a given string up into a vector, so the
+ propose is the same as in the method above and this one is a bit slower
+ also, but the advantage is that we have an iteratable vector */
+vector<string> VectorizeString(string const &haystack, char const &split)
+{
+ string::const_iterator start = haystack.begin();
+ string::const_iterator end = start;
+ vector<string> exploded;
+ do {
+ for (; end != haystack.end() && *end != split; ++end);
+ exploded.push_back(string(start, end));
+ start = end + 1;
+ } while (end != haystack.end() && (++end) != haystack.end());
+ return exploded;
+}
+ /*}}}*/
// RegexChoice - Simple regex list/list matcher /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -1115,10 +1141,13 @@ char *safe_snprintf(char *Buffer,char *End,const char *Format,...)
// tolower_ascii - tolower() function that ignores the locale /*{{{*/
// ---------------------------------------------------------------------
-/* */
-int tolower_ascii(int c)
+/* This little function is the most called method we have and tries
+ therefore to do the absolut minimum - and is noteable faster than
+ standard tolower/toupper and as a bonus avoids problems with different
+ locales - we only operate on ascii chars anyway. */
+int tolower_ascii(int const c)
{
- if (c >= 'A' and c <= 'Z')
+ if (c >= 'A' && c <= 'Z')
return c + 32;
return c;
}
@@ -1217,9 +1246,10 @@ void URI::CopyFrom(const string &U)
else
{
Host.assign(At+1,SingleSlash);
- User.assign(FirstColon,SecondColon);
+ // username and password must be encoded (RFC 3986)
+ User.assign(DeQuoteString(FirstColon,SecondColon));
if (SecondColon < At)
- Password.assign(SecondColon+1,At);
+ Password.assign(DeQuoteString(SecondColon+1,At));
}
// Now we parse the RFC 2732 [] hostnames.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 14:33:52 +0000