2 * dpkg-split - splitting and joining of multipart *.deb archives
5 * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
7 * This is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
32 #include <dpkg/i18n.h>
33 #include <dpkg/dpkg.h>
34 #include <dpkg/dpkg-db.h>
35 #include <dpkg/buffer.h>
36 #include <dpkg/options.h>
38 #include "dpkg-split.h"
40 void reassemble(struct partinfo **partlist, const char *outputfile) {
41 struct dpkg_error err;
45 printf(P_("Putting package %s together from %d part: ",
46 "Putting package %s together from %d parts: ",
47 partlist[0]->maxpartn),
48 partlist[0]->package,partlist[0]->maxpartn);
50 fd_out = creat(outputfile, 0644);
52 ohshite(_("unable to open output file '%.250s'"), outputfile);
53 for (i=0; i<partlist[0]->maxpartn; i++) {
54 struct partinfo *pi = partlist[i];
56 fd_in = open(pi->filename, O_RDONLY);
58 ohshite(_("unable to (re)open input part file '%.250s'"), pi->filename);
59 if (fd_skip(fd_in, pi->headerlen, &err) < 0)
60 ohshit(_("cannot skip split package header for '%s': %s"), pi->filename,
62 if (fd_fd_copy(fd_in, fd_out, pi->thispartlen, &err) < 0)
63 ohshit(_("cannot append split package part '%s' to '%s': %s"),
64 pi->filename, outputfile, err.str);
70 ohshite(_("unable to sync file '%s'"), outputfile);
72 ohshite(_("unable to close file '%s'"), outputfile);
78 void addtopartlist(struct partinfo **partlist,
79 struct partinfo *pi, struct partinfo *refi) {
82 if (strcmp(pi->package,refi->package) ||
83 strcmp(pi->version,refi->version) ||
84 strcmp(pi->md5sum,refi->md5sum) ||
85 pi->orglength != refi->orglength ||
86 pi->maxpartn != refi->maxpartn ||
87 pi->maxpartlen != refi->maxpartlen) {
90 ohshit(_("files '%.250s' and '%.250s' are not parts of the same file"),
91 pi->filename,refi->filename);
95 ohshit(_("there are several versions of part %d - at least '%.250s' and '%.250s'"),
96 pi->thispartn, pi->filename, partlist[i]->filename);
101 do_join(const char *const *argv)
104 struct partqueue *queue = NULL;
105 struct partqueue *pq;
106 struct partinfo *refi, **partlist;
110 badusage(_("--%s requires one or more part file arguments"),
112 while ((thisarg= *argv++)) {
113 pq= nfmalloc(sizeof(struct partqueue));
115 mustgetpartinfo(thisarg,&pq->info);
117 pq->nextinqueue= queue;
121 for (pq= queue; pq; pq= pq->nextinqueue)
122 if (!refi || pq->info.thispartn < refi->thispartn) refi= &pq->info;
124 partlist= nfmalloc(sizeof(struct partinfo*)*refi->maxpartn);
125 for (i = 0; i < refi->maxpartn; i++)
127 for (pq= queue; pq; pq= pq->nextinqueue) {
128 struct partinfo *pi = &pq->info;
130 addtopartlist(partlist,pi,refi);
132 for (i=0; i<refi->maxpartn; i++) {
133 if (!partlist[i]) ohshit(_("part %d is missing"),i+1);
135 if (!opt_outputfile) {
138 p= nfmalloc(strlen(refi->package)+1+strlen(refi->version)+sizeof(DEBEXT));
139 strcpy(p,refi->package);
141 strcat(p,refi->version);
143 strcat(p, refi->arch ? refi->arch : "unknown");
147 reassemble(partlist, opt_outputfile);