src/main/errors.c

   1 /*
   2  * dpkg - main program for package management
   3  * errors.c - per package error handling
   4  *
   5  * Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
   6  * Copyright © 2007-2014 Guillem Jover <guillem@debian.org>
   7  *
   8  * This is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  20  */
  21
  22 #include <config.h>
  23 #include <compat.h>
  24
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <sys/wait.h>
  28
  29 #include <errno.h>
  30 #include <limits.h>
  31 #include <string.h>
  32 #include <dirent.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #include <stdio.h>
  36
  37 #include <dpkg/i18n.h>
  38 #include <dpkg/dpkg.h>
  39 #include <dpkg/dpkg-db.h>
  40 #include <dpkg/options.h>
  41
  42 #include "main.h"
  43
  44 bool abort_processing = false;
  45
  46 static int nerrs = 0;
  47
  48 struct error_report {
  49   struct error_report *next;
  50   char *what;
  51 };
  52
  53 static struct error_report *reports = NULL;
  54 static struct error_report **lastreport= &reports;
  55 static struct error_report emergency;
  56
  57 static void
  58 enqueue_error_report(const char *arg)
  59 {
  60   struct error_report *nr;
  61
  62   nr = malloc(sizeof(*nr));
  63   if (!nr) {
  64     notice(_("failed to allocate memory for new entry in list of failed packages: %s"),
  65            strerror(errno));
  66     abort_processing = true;
  67     nr= &emergency;
  68   }
  69   nr->what = m_strdup(arg);
  70   nr->next = NULL;
  71   *lastreport= nr;
  72   lastreport= &nr->next;
  73
  74   if (++nerrs < errabort)
  75     return;
  76   notice(_("too many errors, stopping"));
  77   abort_processing = true;
  78 }
  79
  80 void
  81 print_error_perpackage(const char *emsg, const void *data)
  82 {
  83   const char *pkgname = data;
  84
  85   notice(_("error processing package %s (--%s):\n %s"),
  86          pkgname, cipaction->olong, emsg);
  87
  88   statusfd_send("status: %s : %s : %s", pkgname, "error", emsg);
  89
  90   enqueue_error_report(pkgname);
  91 }
  92
  93 void
  94 print_error_perarchive(const char *emsg, const void *data)
  95 {
  96   const char *filename = data;
  97
  98   notice(_("error processing archive %s (--%s):\n %s"),
  99          filename, cipaction->olong, emsg);
 100
 101   statusfd_send("status: %s : %s : %s", filename, "error", emsg);
 102
 103   enqueue_error_report(filename);
 104 }
 105
 106 int
 107 reportbroken_retexitstatus(int ret)
 108 {
 109   if (reports) {
 110     fputs(_("Errors were encountered while processing:\n"),stderr);
 111     while (reports) {
 112       fprintf(stderr," %s\n",reports->what);
 113       free(reports->what);
 114       reports= reports->next;
 115     }
 116   }
 117   if (abort_processing) {
 118     fputs(_("Processing was halted because there were too many errors.\n"),stderr);
 119   }
 120   return nerrs ? 1 : ret;
 121 }
 122
 123 bool
 124 skip_due_to_hold(struct pkginfo *pkg)
 125 {
 126   if (pkg->want != PKG_WANT_HOLD)
 127     return false;
 128   if (in_force(FORCE_HOLD)) {
 129     notice(_("package %s was on hold, processing it anyway as you requested"),
 130            pkg_name(pkg, pnaw_nonambig));
 131     return false;
 132   }
 133   printf(_("Package %s is on hold, not touching it.  Use --force-hold to override.\n"),
 134          pkg_name(pkg, pnaw_nonambig));
 135   return true;
 136 }
 137