+}
+ /*}}}*/
+// DPkgPM::SendV2Pkgs - Send version 2 package info /*{{{*/
+// ---------------------------------------------------------------------
+/* This is part of the helper script communication interface, it sends
+ very complete information down to the other end of the pipe.*/
+bool pkgDPkgPM::SendV2Pkgs(FILE *F)
+{
+ fprintf(F,"VERSION 2\n");
+
+ /* Write out all of the configuration directives by walking the
+ configuration tree */
+ const Configuration::Item *Top = _config->Tree(0);
+ for (; Top != 0;)
+ {
+ if (Top->Value.empty() == false)
+ {
+ fprintf(F,"%s=%s\n",
+ QuoteString(Top->FullTag(),"=\"\n").c_str(),
+ QuoteString(Top->Value,"\n").c_str());
+ }
+
+ if (Top->Child != 0)
+ {
+ Top = Top->Child;
+ continue;
+ }
+
+ while (Top != 0 && Top->Next == 0)
+ Top = Top->Parent;
+ if (Top != 0)
+ Top = Top->Next;
+ }
+ fprintf(F,"\n");
+
+ // Write out the package actions in order.
+ for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+ {
+ pkgDepCache::StateCache &S = Cache[I->Pkg];
+
+ fprintf(F,"%s ",I->Pkg.Name());
+ // Current version
+ if (I->Pkg->CurrentVer == 0)
+ fprintf(F,"- ");
+ else
+ fprintf(F,"%s ",I->Pkg.CurrentVer().VerStr());
+
+ // Show the compare operator
+ // Target version
+ if (S.InstallVer != 0)
+ {
+ int Comp = 2;
+ if (I->Pkg->CurrentVer != 0)
+ Comp = S.InstVerIter(Cache).CompareVer(I->Pkg.CurrentVer());
+ if (Comp < 0)
+ fprintf(F,"> ");
+ if (Comp == 0)
+ fprintf(F,"= ");
+ if (Comp > 0)
+ fprintf(F,"< ");
+ fprintf(F,"%s ",S.InstVerIter(Cache).VerStr());
+ }
+ else
+ fprintf(F,"> - ");
+
+ // Show the filename/operation
+ if (I->Op == Item::Install)
+ {
+ // No errors here..
+ if (I->File[0] != '/')
+ fprintf(F,"**ERROR**\n");
+ else
+ fprintf(F,"%s\n",I->File.c_str());
+ }
+ if (I->Op == Item::Configure)
+ fprintf(F,"**CONFIGURE**\n");
+ if (I->Op == Item::Remove ||
+ I->Op == Item::Purge)
+ fprintf(F,"**REMOVE**\n");
+
+ if (ferror(F) != 0)
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
+// DPkgPM::RunScriptsWithPkgs - Run scripts with package names on stdin /*{{{*/
+// ---------------------------------------------------------------------
+/* This looks for a list of scripts to run from the configuration file
+ each one is run and is fed on standard input a list of all .deb files
+ that are due to be installed. */
+bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
+{
+ Configuration::Item const *Opts = _config->Tree(Cnf);
+ if (Opts == 0 || Opts->Child == 0)
+ return true;
+ Opts = Opts->Child;
+
+ unsigned int Count = 1;
+ for (; Opts != 0; Opts = Opts->Next, Count++)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+
+ // Determine the protocol version
+ string OptSec = Opts->Value;
+ string::size_type Pos;
+ if ((Pos = OptSec.find(' ')) == string::npos || Pos == 0)
+ Pos = OptSec.length();
+ OptSec = "DPkg::Tools::Options::" + string(Opts->Value.c_str(),Pos);
+
+ unsigned int Version = _config->FindI(OptSec+"::Version",1);
+
+ // Create the pipes
+ int Pipes[2];
+ if (pipe(Pipes) != 0)
+ return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+ SetCloseExec(Pipes[0],true);
+ SetCloseExec(Pipes[1],true);
+
+ // Purified Fork for running the script
+ pid_t Process = ExecFork();
+ if (Process == 0)
+ {
+ // Setup the FDs
+ dup2(Pipes[0],STDIN_FILENO);
+ SetCloseExec(STDOUT_FILENO,false);
+ SetCloseExec(STDIN_FILENO,false);
+ SetCloseExec(STDERR_FILENO,false);
+
+ const char *Args[4];
+ Args[0] = "/bin/sh";
+ Args[1] = "-c";
+ Args[2] = Opts->Value.c_str();
+ Args[3] = 0;
+ execv(Args[0],(char **)Args);
+ _exit(100);
+ }
+ close(Pipes[0]);
+ FILE *F = fdopen(Pipes[1],"w");
+ if (F == 0)
+ return _error->Errno("fdopen","Faild to open new FD");
+
+ // Feed it the filenames.
+ bool Die = false;
+ if (Version <= 1)
+ {
+ for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+ {
+ // Only deal with packages to be installed from .deb
+ if (I->Op != Item::Install)
+ continue;
+
+ // No errors here..
+ if (I->File[0] != '/')
+ continue;
+
+ /* Feed the filename of each package that is pending install
+ into the pipe. */
+ fprintf(F,"%s\n",I->File.c_str());
+ if (ferror(F) != 0)
+ {
+ Die = true;
+ break;
+ }
+ }
+ }
+ else
+ Die = !SendV2Pkgs(F);
+
+ fclose(F);
+
+ // Clean up the sub process
+ if (ExecWait(Process,Opts->Value.c_str()) == false)
+ return _error->Error("Failure running script %s",Opts->Value.c_str());
+ }
+
+ return true;
+}
+
+ /*}}}*/
+// DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/
+// ---------------------------------------------------------------------
+/*
+*/
+void pkgDPkgPM::DoStdin(int master)
+{
+ char input_buf[256] = {0,};
+ int len = read(0, input_buf, sizeof(input_buf));
+ write(master, input_buf, len);
+}
+ /*}}}*/
+// DPkgPM::DoTerminalPty - Read the terminal pty and write log /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ * read the terminal pty and write log
+ */
+void pkgDPkgPM::DoTerminalPty(int master)
+{
+ char term_buf[1024] = {0,};
+
+ int len=read(master, term_buf, sizeof(term_buf));
+ if(len <= 0)
+ return;
+ write(1, term_buf, len);
+ if(term_out)
+ fwrite(term_buf, len, sizeof(char), term_out);
+}
+ /*}}}*/
+// DPkgPM::ProcessDpkgStatusBuf /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ */
+void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
+{
+ // the status we output
+ ostringstream status;
+
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "got from dpkg '" << line << "'" << std::endl;
+
+
+ /* dpkg sends strings like this:
+ 'status: <pkg>: <pkg qstate>'
+ errors look like this:
+ 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
+ and conffile-prompt like this
+ 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+
+ */
+ char* list[5];
+ // dpkg sends multiline error messages sometimes (see
+ // #374195 for a example. we should support this by
+ // either patching dpkg to not send multiline over the
+ // statusfd or by rewriting the code here to deal with
+ // it. for now we just ignore it and not crash
+ TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
+ char *pkg = list[1];
+ char *action = _strstrip(list[2]);
+ if( pkg == NULL || action == NULL)
+ {
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "ignoring line: not enough ':'" << std::endl;
+ return;
+ }
+
+ if(strncmp(action,"error",strlen("error")) == 0)
+ {
+ status << "pmerror:" << list[1]
+ << ":" << (PackagesDone/float(PackagesTotal)*100.0)
+ << ":" << list[3]
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
+ pkgFailures++;
+ WriteApportReport(list[1], list[3]);
+ return;
+ }
+ if(strncmp(action,"conffile",strlen("conffile")) == 0)
+ {
+ status << "pmconffile:" << list[1]
+ << ":" << (PackagesDone/float(PackagesTotal)*100.0)
+ << ":" << list[3]
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
+ return;
+ }
+
+ vector<struct DpkgState> &states = PackageOps[pkg];
+ const char *next_action = NULL;
+ if(PackageOpsDone[pkg] < states.size())
+ next_action = states[PackageOpsDone[pkg]].state;
+ // check if the package moved to the next dpkg state
+ if(next_action && (strcmp(action, next_action) == 0))
+ {
+ // only read the translation if there is actually a next
+ // action
+ const char *translation = _(states[PackageOpsDone[pkg]].str);
+ char s[200];
+ snprintf(s, sizeof(s), translation, pkg);
+
+ // we moved from one dpkg state to a new one, report that
+ PackageOpsDone[pkg]++;
+ PackagesDone++;
+ // build the status str
+ status << "pmstatus:" << pkg
+ << ":" << (PackagesDone/float(PackagesTotal)*100.0)
+ << ":" << s
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
+ }
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "(parsed from dpkg) pkg: " << pkg
+ << " action: " << action << endl;
+}
+
+// DPkgPM::DoDpkgStatusFd /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ */
+void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
+{
+ char *p, *q;
+ int len;
+
+ len=read(statusfd, &dpkgbuf[dpkgbuf_pos], sizeof(dpkgbuf)-dpkgbuf_pos);
+ dpkgbuf_pos += len;
+ if(len <= 0)
+ return;
+
+ // process line by line if we have a buffer
+ p = q = dpkgbuf;
+ while((q=(char*)memchr(p, '\n', dpkgbuf+dpkgbuf_pos-p)) != NULL)
+ {
+ *q = 0;
+ ProcessDpkgStatusLine(OutStatusFd, p);
+ p=q+1; // continue with next line
+ }
+
+ // now move the unprocessed bits (after the final \n that is now a 0x0)
+ // to the start and update dpkgbuf_pos
+ p = (char*)memrchr(dpkgbuf, 0, dpkgbuf_pos);
+ if(p == NULL)
+ return;
+
+ // we are interessted in the first char *after* 0x0
+ p++;
+
+ // move the unprocessed tail to the start and update pos
+ memmove(dpkgbuf, p, p-dpkgbuf);
+ dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p;
projects / apt.git / blobdiff