X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/9b248f58ed56094ed8be3aa0ba2aed776a3ff382..0cfec3ab589c6309bf284438d2148c7742cdaf10:/apt-pkg/acquire-method.cc diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc index fb45d9ee7..82f4b626d 100644 --- a/apt-pkg/acquire-method.cc +++ b/apt-pkg/acquire-method.cc @@ -15,18 +15,26 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include #include #include #include +#include +#include +#include -#include #include -#include +#include +#include #include -#include +#include +#include +#include +#include /*}}}*/ using namespace std; @@ -36,32 +44,28 @@ using namespace std; /* This constructs the initialization text */ pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags) { - char S[300] = ""; - char *End = S; - strcat(End,"100 Capabilities\n"); - sprintf(End+strlen(End),"Version: %s\n",Ver); + std::cout << "100 Capabilities\n" + << "Version: " << Ver << "\n"; if ((Flags & SingleInstance) == SingleInstance) - strcat(End,"Single-Instance: true\n"); - + std::cout << "Single-Instance: true\n"; + if ((Flags & Pipeline) == Pipeline) - strcat(End,"Pipeline: true\n"); - + std::cout << "Pipeline: true\n"; + if ((Flags & SendConfig) == SendConfig) - strcat(End,"Send-Config: true\n"); + std::cout << "Send-Config: true\n"; if ((Flags & LocalOnly) == LocalOnly) - strcat(End,"Local-Only: true\n"); + std::cout <<"Local-Only: true\n"; if ((Flags & NeedsCleanup) == NeedsCleanup) - strcat(End,"Needs-Cleanup: true\n"); + std::cout << "Needs-Cleanup: true\n"; if ((Flags & Removable) == Removable) - strcat(End,"Removable: true\n"); - strcat(End,"\n"); + std::cout << "Removable: true\n"; - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); + std::cout << "\n" << std::flush; SetNonBlock(STDIN_FILENO,true); @@ -87,45 +91,48 @@ void pkgAcqMethod::Fail(bool Transient) void pkgAcqMethod::Fail(string Err,bool Transient) { // Strip out junk from the error messages - for (string::iterator I = Err.begin(); I != Err.end(); I++) + for (string::iterator I = Err.begin(); I != Err.end(); ++I) { if (*I == '\r') *I = ' '; if (*I == '\n') *I = ' '; } - - char S[1024]; - char *End = S; + if (Queue != 0) { - End += snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: %s\n" - "Message: %s %s\n",Queue->Uri.c_str(), Err.c_str(), IP.c_str()); - // Dequeue - FetchItem *Tmp = Queue; - Queue = Queue->Next; - delete Tmp; - if (Tmp == QueueBack) - QueueBack = Queue; + std::cout << "400 URI Failure\nURI: " << Queue->Uri << "\n" + << "Message: " << Err; + if (IP.empty() == false && _config->FindB("Acquire::Failure::ShowIP", true) == true) + std::cout << " " << IP; + std::cout << "\n"; + Dequeue(); } else - { - End += snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: \n" - "Message: %s\n",Err.c_str()); - } + std::cout << "400 URI Failure\nURI: \nMessage: " << Err << "\n"; + if(FailReason.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"FailReason: %s\n",FailReason.c_str()); + std::cout << "FailReason: " << FailReason << "\n"; if (UsedMirror.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str()); - // Set the transient flag + std::cout << "UsedMirror: " << UsedMirror << "\n"; + // Set the transient flag if (Transient == true) - strcat(S,"Transient-Failure: true\n\n"); - else - strcat(S,"\n"); - - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); + std::cout << "Transient-Failure: true\n"; + + std::cout << "\n" << std::flush; } + /*}}}*/ +// AcqMethod::DropPrivsOrDie - Drop privileges or die /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgAcqMethod::DropPrivsOrDie() +{ + if (!DropPrivileges()) { + Fail(false); + exit(112); /* call the european emergency number */ + } +} + /*}}}*/ // AcqMethod::URIStart - Indicate a download is starting /*{{{*/ // --------------------------------------------------------------------- @@ -134,113 +141,91 @@ void pkgAcqMethod::URIStart(FetchResult &Res) { if (Queue == 0) abort(); - - char S[1024] = ""; - char *End = S; - - End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str()); + + std::cout << "200 URI Start\n" + << "URI: " << Queue->Uri << "\n"; if (Res.Size != 0) - End += snprintf(End,sizeof(S)-4 - (End - S),"Size: %lu\n",Res.Size); - + std::cout << "Size: " << std::to_string(Res.Size) << "\n"; + if (Res.LastModified != 0) - End += snprintf(End,sizeof(S)-4 - (End - S),"Last-Modified: %s\n", - TimeRFC1123(Res.LastModified).c_str()); - + std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n"; + if (Res.ResumePoint != 0) - End += snprintf(End,sizeof(S)-4 - (End - S),"Resume-Point: %lu\n", - Res.ResumePoint); + std::cout << "Resume-Point: " << std::to_string(Res.ResumePoint) << "\n"; + if (UsedMirror.empty() == false) - End += snprintf(End,sizeof(S)-4 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str()); - - strcat(End,"\n"); - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); + std::cout << "UsedMirror: " << UsedMirror << "\n"; + + std::cout << "\n" << std::flush; } /*}}}*/ // AcqMethod::URIDone - A URI is finished /*{{{*/ // --------------------------------------------------------------------- /* */ +static void printHashStringList(HashStringList const * const list) +{ + for (HashStringList::const_iterator hash = list->begin(); hash != list->end(); ++hash) + { + // very old compatibility name for MD5Sum + if (hash->HashType() == "MD5Sum") + std::cout << "MD5-Hash: " << hash->HashValue() << "\n"; + std::cout << hash->HashType() << "-Hash: " << hash->HashValue() << "\n"; + } +} void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt) { if (Queue == 0) abort(); - - char S[1024] = ""; - char *End = S; - - End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str()); + + std::cout << "201 URI Done\n" + << "URI: " << Queue->Uri << "\n"; if (Res.Filename.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"Filename: %s\n",Res.Filename.c_str()); - + std::cout << "Filename: " << Res.Filename << "\n"; + if (Res.Size != 0) - End += snprintf(End,sizeof(S)-50 - (End - S),"Size: %lu\n",Res.Size); - + std::cout << "Size: " << std::to_string(Res.Size) << "\n"; + if (Res.LastModified != 0) - End += snprintf(End,sizeof(S)-50 - (End - S),"Last-Modified: %s\n", - TimeRFC1123(Res.LastModified).c_str()); + std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n"; + + printHashStringList(&Res.Hashes); - if (Res.MD5Sum.empty() == false) + if (UsedMirror.empty() == false) + std::cout << "UsedMirror: " << UsedMirror << "\n"; + if (Res.GPGVOutput.empty() == false) { - End += snprintf(End,sizeof(S)-50 - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str()); - End += snprintf(End,sizeof(S)-50 - (End - S),"MD5Sum-Hash: %s\n",Res.MD5Sum.c_str()); + std::cout << "GPGVOutput:\n"; + for (vector::const_iterator I = Res.GPGVOutput.begin(); + I != Res.GPGVOutput.end(); ++I) + std::cout << " " << *I << "\n"; } - if (Res.SHA1Sum.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"SHA1-Hash: %s\n",Res.SHA1Sum.c_str()); - if (Res.SHA256Sum.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"SHA256-Hash: %s\n",Res.SHA256Sum.c_str()); - if (UsedMirror.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str()); - if (Res.GPGVOutput.size() > 0) - End += snprintf(End,sizeof(S)-50 - (End - S),"GPGVOutput:\n"); - for (vector::iterator I = Res.GPGVOutput.begin(); - I != Res.GPGVOutput.end(); I++) - End += snprintf(End,sizeof(S)-50 - (End - S), " %s\n", (*I).c_str()); if (Res.ResumePoint != 0) - End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n", - Res.ResumePoint); + std::cout << "Resume-Point: " << std::to_string(Res.ResumePoint) << "\n"; if (Res.IMSHit == true) - strcat(End,"IMS-Hit: true\n"); - End = S + strlen(S); - + std::cout << "IMS-Hit: true\n"; + if (Alt != 0) { if (Alt->Filename.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str()); - + std::cout << "Alt-Filename: " << Alt->Filename << "\n"; + if (Alt->Size != 0) - End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Size: %lu\n",Alt->Size); - + std::cout << "Alt-Size: " << std::to_string(Alt->Size) << "\n"; + if (Alt->LastModified != 0) - End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Last-Modified: %s\n", - TimeRFC1123(Alt->LastModified).c_str()); - - if (Alt->MD5Sum.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-MD5-Hash: %s\n", - Alt->MD5Sum.c_str()); - if (Alt->SHA1Sum.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-SHA1-Hash: %s\n", - Alt->SHA1Sum.c_str()); - if (Alt->SHA256Sum.empty() == false) - End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-SHA256-Hash: %s\n", - Alt->SHA256Sum.c_str()); - + std::cout << "Alt-Last-Modified: " << TimeRFC1123(Alt->LastModified) << "\n"; + + printHashStringList(&Alt->Hashes); + if (Alt->IMSHit == true) - strcat(End,"Alt-IMS-Hit: true\n"); + std::cout << "Alt-IMS-Hit: true\n"; } - - strcat(End,"\n"); - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); - // Dequeue - FetchItem *Tmp = Queue; - Queue = Queue->Next; - delete Tmp; - if (Tmp == QueueBack) - QueueBack = Queue; + std::cout << "\n" << std::flush; + Dequeue(); } /*}}}*/ // AcqMethod::MediaFail - Syncronous request for new media /*{{{*/ @@ -249,13 +234,10 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt) to be ackd */ bool pkgAcqMethod::MediaFail(string Required,string Drive) { - char S[1024]; - snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n", + fprintf(stdout, "403 Media Failure\nMedia: %s\nDrive: %s\n", Required.c_str(),Drive.c_str()); + std::cout << "\n" << std::flush; - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); - vector MyMessages; /* Here we read messages until we find a 603, each non 603 message is @@ -317,12 +299,12 @@ bool pkgAcqMethod::Configuration(string Message) I += Length + 1; for (; I < MsgEnd && *I == ' '; I++); - const char *Equals = I; - for (; Equals < MsgEnd && *Equals != '='; Equals++); - const char *End = Equals; - for (; End < MsgEnd && *End != '\n'; End++); - if (End == Equals) + const char *Equals = (const char*) memchr(I, '=', MsgEnd - I); + if (Equals == NULL) return false; + const char *End = (const char*) memchr(Equals, '\n', MsgEnd - Equals); + if (End == NULL) + End = MsgEnd; Cnf.Set(DeQuoteString(string(I,Equals-I)), DeQuoteString(string(Equals+1,End-Equals-1))); @@ -384,6 +366,20 @@ int pkgAcqMethod::Run(bool Single) Tmp->LastModified = 0; Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false); Tmp->FailIgnore = StringToBool(LookupTag(Message,"Fail-Ignore"),false); + Tmp->ExpectedHashes = HashStringList(); + for (char const * const * t = HashString::SupportedHashes(); *t != NULL; ++t) + { + std::string tag = "Expected-"; + tag.append(*t); + std::string const hash = LookupTag(Message, tag.c_str()); + if (hash.empty() == false) + Tmp->ExpectedHashes.push_back(HashString(*t, hash)); + } + char *End; + if (Tmp->ExpectedHashes.FileSize() > 0) + Tmp->MaximumSize = Tmp->ExpectedHashes.FileSize(); + else + Tmp->MaximumSize = strtoll(LookupTag(Message, "Maximum-Size", "0").c_str(), &End, 10); Tmp->Next = 0; // Append it to the list @@ -392,44 +388,46 @@ int pkgAcqMethod::Run(bool Single) *I = Tmp; if (QueueBack == 0) QueueBack = Tmp; - + // Notify that this item is to be fetched. - if (Fetch(Tmp) == false) + if (URIAcquire(Message, Tmp) == false) Fail(); - - break; - } - } + + break; + } + } } Exit(); return 0; } /*}}}*/ +// AcqMethod::PrintStatus - privately really send a log/status message /*{{{*/ +void pkgAcqMethod::PrintStatus(char const * const header, const char* Format, + va_list &args) const +{ + string CurrentURI = ""; + if (Queue != 0) + CurrentURI = Queue->Uri; + if (UsedMirror.empty() == true) + fprintf(stdout, "%s\nURI: %s\nMessage: ", + header, CurrentURI.c_str()); + else + fprintf(stdout, "%s\nURI: %s\nUsedMirror: %s\nMessage: ", + header, CurrentURI.c_str(), UsedMirror.c_str()); + vfprintf(stdout,Format,args); + std::cout << "\n\n" << std::flush; +} + /*}}}*/ // AcqMethod::Log - Send a log message /*{{{*/ // --------------------------------------------------------------------- /* */ void pkgAcqMethod::Log(const char *Format,...) { - string CurrentURI = ""; - if (Queue != 0) - CurrentURI = Queue->Uri; - va_list args; va_start(args,Format); - - // sprintf the description - char S[1024]; - unsigned int Len = snprintf(S,sizeof(S)-4,"101 Log\n" - "URI: %s\n" - "UsedMirror: %s\n" - "Message: ", UsedMirror.c_str(), - CurrentURI.c_str()); - vsnprintf(S+Len,sizeof(S)-4-Len,Format,args); - strcat(S,"\n\n"); - - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); + PrintStatus("101 Log", Format, args); + va_end(args); } /*}}}*/ // AcqMethod::Status - Send a status message /*{{{*/ @@ -437,64 +435,29 @@ void pkgAcqMethod::Log(const char *Format,...) /* */ void pkgAcqMethod::Status(const char *Format,...) { - string CurrentURI = ""; - if (Queue != 0) - CurrentURI = Queue->Uri; - va_list args; va_start(args,Format); - - // sprintf the description - char S[1024]; - unsigned int Len = snprintf(S,sizeof(S)-4,"102 Status\n" - "URI: %s\n" - "UsedMirror: %s\n" - "Message: ",UsedMirror.c_str(), - CurrentURI.c_str()); - - vsnprintf(S+Len,sizeof(S)-4-Len,Format,args); - strcat(S,"\n\n"); - - if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) - exit(100); + PrintStatus("102 Status", Format, args); + va_end(args); } /*}}}*/ // AcqMethod::Redirect - Send a redirect message /*{{{*/ // --------------------------------------------------------------------- -/* This method sends the redirect message and also manipulates the queue - to keep the pipeline synchronized. */ +/* This method sends the redirect message and dequeues the item as + * the worker will enqueue again later on to the right queue */ void pkgAcqMethod::Redirect(const string &NewURI) { - string CurrentURI = ""; - if (Queue != 0) - CurrentURI = Queue->Uri; - - char S[1024]; - snprintf(S, sizeof(S)-50, "103 Redirect\nURI: %s\nNew-URI: %s\n\n", - CurrentURI.c_str(), NewURI.c_str()); - - if (write(STDOUT_FILENO,S,strlen(S)) != (ssize_t)strlen(S)) - exit(100); - - // Change the URI for the request. - Queue->Uri = NewURI; - - /* To keep the pipeline synchronized, move the current request to - the end of the queue, past the end of the current pipeline. */ - FetchItem *I; - for (I = Queue; I->Next != 0; I = I->Next) ; - I->Next = Queue; - Queue = Queue->Next; - I->Next->Next = 0; - if (QueueBack == 0) - QueueBack = I->Next; + std::cout << "103 Redirect\nURI: " << Queue->Uri << "\n" + << "New-URI: " << NewURI << "\n" + << "\n" << std::flush; + Dequeue(); } /*}}}*/ // AcqMethod::FetchResult::FetchResult - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ pkgAcqMethod::FetchResult::FetchResult() : LastModified(0), - IMSHit(false), Size(0), ResumePoint(0) + IMSHit(false), Size(0), ResumePoint(0), d(NULL) { } /*}}}*/ @@ -502,10 +465,25 @@ pkgAcqMethod::FetchResult::FetchResult() : LastModified(0), // --------------------------------------------------------------------- /* This hides the number of hashes we are supporting from the caller. It just deals with the hash class. */ -void pkgAcqMethod::FetchResult::TakeHashes(Hashes &Hash) +void pkgAcqMethod::FetchResult::TakeHashes(class Hashes &Hash) { - MD5Sum = Hash.MD5.Result(); - SHA1Sum = Hash.SHA1.Result(); - SHA256Sum = Hash.SHA256.Result(); + Hashes = Hash.GetHashStringList(); +} + /*}}}*/ +void pkgAcqMethod::Dequeue() { /*{{{*/ + FetchItem const * const Tmp = Queue; + Queue = Queue->Next; + if (Tmp == QueueBack) + QueueBack = Queue; + delete Tmp; } /*}}}*/ +pkgAcqMethod::~pkgAcqMethod() {} + +pkgAcqMethod::FetchItem::FetchItem() : + Next(nullptr), DestFileFd(-1), LastModified(0), IndexFile(false), + FailIgnore(false), MaximumSize(0), d(nullptr) +{} +pkgAcqMethod::FetchItem::~FetchItem() {} + +pkgAcqMethod::FetchResult::~FetchResult() {}