X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/318dd26ac9bdbb30bcd22201393dc73d8566b3cf..e6f0c9bca4b052d20a2e48ce9715b89e187b671a:/apt-pkg/versionmatch.cc?ds=inline

diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc
index 4a426809c..284098bdf 100644
--- a/apt-pkg/versionmatch.cc
+++ b/apt-pkg/versionmatch.cc
@@ -11,15 +11,26 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#include <apt-pkg/versionmatch.h>
+#include<config.h>
 
+#include <apt-pkg/versionmatch.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/error.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
 #include <stdio.h>
 #include <ctype.h>
+#include <fnmatch.h>
+#include <regex.h>
 									/*}}}*/
 
+using std::string;
+
 // VersionMatch::pkgVersionMatch - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
 /* Break up the data string according to the selected type */
@@ -56,15 +67,15 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type)
       
       // Are we a simple specification?
       string::const_iterator I = Data.begin();
-      for (; I != Data.end() && *I != '='; I++);
+      for (; I != Data.end() && *I != '='; ++I);
       if (I == Data.end())
       {
 	 // Temporary
 	 if (isdigit(Data[0]))
 	    RelVerStr = Data;
 	 else
-	    RelArchive = Data;
-	 
+	    RelRelease = Data;
+
 	 if (RelVerStr.length() > 0 && RelVerStr.end()[-1] == '*')
 	 {
 	    RelVerPrefixMatch = true;
@@ -87,19 +98,23 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type)
       {
 	 if (strlen(Fragments[J]) < 3)
 	    continue;
-	    
+
 	 if (stringcasecmp(Fragments[J],Fragments[J]+2,"v=") == 0)
 	    RelVerStr = Fragments[J]+2;
 	 else if (stringcasecmp(Fragments[J],Fragments[J]+2,"o=") == 0)
 	    RelOrigin = Fragments[J]+2;
 	 else if (stringcasecmp(Fragments[J],Fragments[J]+2,"a=") == 0)
 	    RelArchive = Fragments[J]+2;
+	 else if (stringcasecmp(Fragments[J],Fragments[J]+2,"n=") == 0)
+	    RelCodename = Fragments[J]+2;
 	 else if (stringcasecmp(Fragments[J],Fragments[J]+2,"l=") == 0)
 	    RelLabel = Fragments[J]+2;
 	 else if (stringcasecmp(Fragments[J],Fragments[J]+2,"c=") == 0)
 	    RelComponent = Fragments[J]+2;
+	 else if (stringcasecmp(Fragments[J],Fragments[J]+2,"b=") == 0)
+	    RelArchitecture = Fragments[J]+2;
       }
-      
+
       if (RelVerStr.end()[-1] == '*')
       {
 	 RelVerPrefixMatch = true;
@@ -110,7 +125,10 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type)
    
    if (Type == Origin)
    {
-      OrSite = Data;
+      if (Data[0] == '"' && Data.length() >= 2 && Data.end()[-1] == '"')
+	 OrSite = Data.substr(1, Data.length() - 2);
+      else
+	 OrSite = Data;
       return;
    }   
 }
@@ -124,7 +142,7 @@ bool pkgVersionMatch::MatchVer(const char *A,string B,bool Prefix)
    const char *Ae = Ab + strlen(A);
    
    // Strings are not a compatible size.
-   if ((unsigned)(Ae - Ab) != B.length() && Prefix == false ||
+   if (((unsigned)(Ae - Ab) != B.length() && Prefix == false) ||
        (unsigned)(Ae - Ab) < B.length())
       return false;
    
@@ -141,16 +159,18 @@ bool pkgVersionMatch::MatchVer(const char *A,string B,bool Prefix)
 pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg)
 {
    pkgCache::VerIterator Ver = Pkg.VersionList();
-   for (; Ver.end() == false; Ver++)
+   for (; Ver.end() == false; ++Ver)
    {
       if (Type == Version)
       {
 	 if (MatchVer(Ver.VerStr(),VerStr,VerPrefixMatch) == true)
 	    return Ver;
+	 if (ExpressionMatches(VerStr, Ver.VerStr()) == true)
+	    return Ver;
 	 continue;
       }
       
-      for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++)
+      for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
 	 if (FileMatch(VF.File()) == true)
 	    return Ver;
    }
@@ -158,6 +178,36 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg)
    // This will be Ended by now.
    return Ver;
 }
+
+#ifndef FNM_CASEFOLD
+#define FNM_CASEFOLD 0
+#endif
+
+bool pkgVersionMatch::ExpressionMatches(const char *pattern, const char *string)
+{
+   if (pattern[0] == '/') {
+      size_t length = strlen(pattern);
+      if (pattern[length - 1] == '/') {
+	 bool res = false;
+	 regex_t preg;
+	 char *regex = strdup(pattern + 1);
+	 regex[length - 2] = '\0';
+	 if (regcomp(&preg, regex, REG_EXTENDED | REG_ICASE) != 0) {
+	    _error->Warning("Invalid regular expression: %s", regex);
+	 } else if (regexec(&preg, string, 0, NULL, 0) == 0) {
+	    res = true;
+	 }
+	 free(regex);
+	 regfree(&preg);
+	 return res;
+      }
+   }
+   return fnmatch(pattern, string, FNM_CASEFOLD) == 0;
+}
+bool pkgVersionMatch::ExpressionMatches(const std::string& pattern, const char *string)
+{
+    return ExpressionMatches(pattern.c_str(), string);
+}
 									/*}}}*/
 // VersionMatch::FileMatch - Match against an index file		/*{{{*/
 // ---------------------------------------------------------------------
@@ -169,51 +219,64 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File)
    {
       if (MatchAll == true)
 	 return true;
-      
+
 /*      cout << RelVerStr << ',' << RelOrigin << ',' << RelArchive << ',' << RelLabel << endl;
       cout << File.Version() << ',' << File.Origin() << ',' << File.Archive() << ',' << File.Label() << endl;*/
-      
+
       if (RelVerStr.empty() == true && RelOrigin.empty() == true &&
 	  RelArchive.empty() == true && RelLabel.empty() == true &&
-	  RelComponent.empty() == true)
+	  RelRelease.empty() == true && RelCodename.empty() == true &&
+	  RelComponent.empty() == true && RelArchitecture.empty() == true)
 	 return false;
-      
+
       if (RelVerStr.empty() == false)
 	 if (File->Version == 0 ||
-	     MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false)
+	     (MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false &&
+	      ExpressionMatches(RelVerStr, File.Version()) == false))
 	    return false;
       if (RelOrigin.empty() == false)
-	 if (File->Origin == 0 ||
-	     stringcasecmp(RelOrigin,File.Origin()) != 0)
+	 if (File->Origin == 0 || !ExpressionMatches(RelOrigin,File.Origin()))
 	    return false;
       if (RelArchive.empty() == false)
-      {
-	 if (File->Archive == 0 || 
-	     stringcasecmp(RelArchive,File.Archive()) != 0)
-	    return false;
-      }      
+	 if (File->Archive == 0 ||
+	     !ExpressionMatches(RelArchive,File.Archive()))
+            return false;
+      if (RelCodename.empty() == false)
+	 if (File->Codename == 0 ||
+	     !ExpressionMatches(RelCodename,File.Codename()))
+            return false;
+      if (RelRelease.empty() == false)
+	 if ((File->Archive == 0 ||
+	     !ExpressionMatches(RelRelease,File.Archive())) &&
+             (File->Codename == 0 ||
+	      !ExpressionMatches(RelRelease,File.Codename())))
+	       return false;
       if (RelLabel.empty() == false)
 	 if (File->Label == 0 ||
-	     stringcasecmp(RelLabel,File.Label()) != 0)
+	     !ExpressionMatches(RelLabel,File.Label()))
 	    return false;
       if (RelComponent.empty() == false)
 	 if (File->Component == 0 ||
-	     stringcasecmp(RelComponent,File.Component()) != 0)
+	     !ExpressionMatches(RelComponent,File.Component()))
+	    return false;
+      if (RelArchitecture.empty() == false)
+	 if (File->Architecture == 0 ||
+	     !ExpressionMatches(RelArchitecture,File.Architecture()))
 	    return false;
       return true;
    }
-   
+
    if (Type == Origin)
    {
       if (OrSite.empty() == false) {
-	 if (File->Site == 0 || OrSite != File.Site())
+	 if (File->Site == 0)
 	    return false;
       } else // so we are talking about file:// or status file
-	 if (strcmp(File.Site(),"") == 0 && File->Archive != 0) // skip the status file
+	 if (strcmp(File.Site(),"") == 0 && File->Archive != 0 && strcmp(File.Archive(),"now") == 0) // skip the status file
 	    return false;
-      return (OrSite == File.Site());		/* both strings match */
+      return (ExpressionMatches(OrSite, File.Site())); /* both strings match */
    }
-   
+
    return false;
 }
 									/*}}}*/