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
enqueue_error_report(const char * arg)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
print_error_perpackage(const char * emsg,const void * data)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
print_error_perarchive(const char * emsg,const void * data)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
reportbroken_retexitstatus(int ret)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
skip_due_to_hold(struct pkginfo * pkg)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 
138