From cbffab246997fb5a06211dfb706b54e5ae5bb59f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:58:51 +0200 Subject: Adding upstream version 1.21.22. Signed-off-by: Daniel Baumann --- src/split/dpkg-split.h | 84 ++++++++++++ src/split/info.c | 291 +++++++++++++++++++++++++++++++++++++++ src/split/join.c | 151 ++++++++++++++++++++ src/split/main.c | 185 +++++++++++++++++++++++++ src/split/queue.c | 365 +++++++++++++++++++++++++++++++++++++++++++++++++ src/split/split.c | 287 ++++++++++++++++++++++++++++++++++++++ 6 files changed, 1363 insertions(+) create mode 100644 src/split/dpkg-split.h create mode 100644 src/split/info.c create mode 100644 src/split/join.c create mode 100644 src/split/main.c create mode 100644 src/split/queue.c create mode 100644 src/split/split.c (limited to 'src/split') diff --git a/src/split/dpkg-split.h b/src/split/dpkg-split.h new file mode 100644 index 0000000..f53e0c5 --- /dev/null +++ b/src/split/dpkg-split.h @@ -0,0 +1,84 @@ +/* + * dpkg-split - splitting and joining of multipart *.deb archives + * dpkg-split.h - external definitions for this program + * + * Copyright © 1995 Ian Jackson + * Copyright © 2008-2012 Guillem Jover + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#ifndef DPKG_SPLIT_H +#define DPKG_SPLIT_H + +#include +#include + +action_func do_split; +action_func do_join; +action_func do_info; +action_func do_auto; +action_func do_queue; +action_func do_discard; + +struct partinfo { + struct deb_version fmtversion; + const char *filename; + const char *package; + const char *version; + const char *arch; + const char *md5sum; + off_t orglength; + int thispartn, maxpartn; + off_t maxpartlen; + off_t thispartoffset; + off_t thispartlen; + /** Size of header in part file. */ + off_t headerlen; + off_t filesize; +}; + +struct partqueue { + struct partqueue *nextinqueue; + + /** Only fields filename, md5sum, maxpartlen, thispartn, maxpartn + * are valid; the rest are NULL. If the file is not named correctly + * to be a part file md5sum is NULL too and the numbers are zero. */ + struct partinfo info; +}; + +extern off_t opt_maxpartsize; +extern const char *opt_depotdir; +extern const char *opt_outputfile; +extern int opt_npquiet; +extern int opt_msdos; + +void read_fail(int rc, const char *filename, const char *what) DPKG_ATTR_NORET; +void print_info(const struct partinfo *pi); +struct partinfo *read_info(struct dpkg_ar *ar, struct partinfo *ir); + +void reassemble(struct partinfo **partlist, const char *outputfile); +void mustgetpartinfo(const char *filename, struct partinfo *ri); +void addtopartlist(struct partinfo**, struct partinfo*, struct partinfo *refi); + +#define SPLITVERSION "2.1" + +#define PARTSDIR "parts" + +#define PARTMAGIC "debian-split" +#define HEADERALLOWANCE 1024 + +#define SPLITPARTDEFMAX (450 * 1024) + +#endif /* DPKG_SPLIT_H */ diff --git a/src/split/info.c b/src/split/info.c new file mode 100644 index 0000000..73fbd69 --- /dev/null +++ b/src/split/info.c @@ -0,0 +1,291 @@ +/* + * dpkg-split - splitting and joining of multipart *.deb archives + * info.c - information about split archives + * + * Copyright © 1995 Ian Jackson + * Copyright © 2008-2012 Guillem Jover + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "dpkg-split.h" + +static intmax_t +parse_intmax(const char *value, const char *fn, const char *what) +{ + intmax_t r; + char *endp; + + errno = 0; + r = strtoimax(value, &endp, 10); + if (value == endp || *endp) + ohshit(_("file '%.250s' is corrupt - bad digit (code %d) in %s"), + fn, *endp, what); + if (r < 0 || errno == ERANGE) + ohshit(_("file '%s' is corrupt; out of range integer in %s"), fn, what); + return r; +} + +static char *nextline(char **ripp, const char *fn, const char *what) { + char *newline, *rip; + + rip= *ripp; + if (!rip) + ohshit(_("file '%.250s' is corrupt - %.250s missing"), fn, what); + newline= strchr(rip,'\n'); + if (!newline) + ohshit(_("file '%.250s' is corrupt - missing newline after %.250s"), + fn, what); + *ripp= newline+1; + + str_rtrim_spaces(rip, newline); + + return rip; +} + +/** + * Read a deb-split part archive. + * + * @return Part info (nfmalloc'd) if was an archive part and we read it, + * NULL if it wasn't. + */ +struct partinfo * +read_info(struct dpkg_ar *ar, struct partinfo *ir) +{ + static char *readinfobuf= NULL; + static size_t readinfobuflen= 0; + + size_t thisilen; + intmax_t templong; + char magicbuf[sizeof(DPKG_AR_MAGIC) - 1], *rip, *partnums, *slash; + const char *err; + struct dpkg_ar_hdr arh; + ssize_t rc; + + rc = fd_read(ar->fd, magicbuf, sizeof(magicbuf)); + if (rc != sizeof(magicbuf)) { + if (rc < 0) + ohshite(_("error reading %.250s"), ar->name); + else + return NULL; + } + if (memcmp(magicbuf, DPKG_AR_MAGIC, sizeof(magicbuf))) + return NULL; + + rc = fd_read(ar->fd, &arh, sizeof(arh)); + if (rc != sizeof(arh)) + read_fail(rc, ar->name, "ar header"); + + dpkg_ar_normalize_name(&arh); + + if (strncmp(arh.ar_name, PARTMAGIC, sizeof(arh.ar_name)) != 0) + return NULL; + if (dpkg_ar_member_is_illegal(&arh)) + ohshit(_("file '%.250s' is corrupt - bad magic at end of first header"), + ar->name); + thisilen = dpkg_ar_member_get_size(ar, &arh); + if (thisilen >= readinfobuflen) { + readinfobuflen = thisilen + 2; + readinfobuf= m_realloc(readinfobuf,readinfobuflen); + } + rc = fd_read(ar->fd, readinfobuf, thisilen + (thisilen & 1)); + if (rc != (ssize_t)(thisilen + (thisilen & 1))) + read_fail(rc, ar->name, "reading header member"); + if (thisilen & 1) { + int c = readinfobuf[thisilen]; + + if (c != '\n') + ohshit(_("file '%.250s' is corrupt - bad padding character (code %d)"), + ar->name, c); + } + readinfobuf[thisilen] = '\0'; + if (memchr(readinfobuf,0,thisilen)) + ohshit(_("file '%.250s' is corrupt - nulls in info section"), ar->name); + + ir->filename = ar->name; + + rip= readinfobuf; + err = deb_version_parse(&ir->fmtversion, + nextline(&rip, ar->name, _("format version number"))); + if (err) + ohshit(_("file '%.250s' has invalid format version: %s"), ar->name, err); + if (ir->fmtversion.major != 2) + ohshit(_("file '%.250s' is format version %d.%d; get a newer dpkg-split"), + ar->name, ir->fmtversion.major, ir->fmtversion.minor); + + ir->package = nfstrsave(nextline(&rip, ar->name, _("package name"))); + ir->version = nfstrsave(nextline(&rip, ar->name, _("package version number"))); + ir->md5sum = nfstrsave(nextline(&rip, ar->name, _("package file MD5 checksum"))); + if (strlen(ir->md5sum) != MD5HASHLEN || + strspn(ir->md5sum, "0123456789abcdef") != MD5HASHLEN) + ohshit(_("file '%.250s' is corrupt - bad MD5 checksum '%.250s'"), + ar->name, ir->md5sum); + + ir->orglength = parse_intmax(nextline(&rip, ar->name, _("archive total size")), + ar->name, _("archive total size")); + ir->maxpartlen = parse_intmax(nextline(&rip, ar->name, _("archive part offset")), + ar->name, _("archive part offset")); + + partnums = nextline(&rip, ar->name, _("archive part numbers")); + slash= strchr(partnums,'/'); + if (!slash) + ohshit(_("file '%.250s' is corrupt - no slash between archive part numbers"), ar->name); + *slash++ = '\0'; + + templong = parse_intmax(slash, ar->name, _("number of archive parts")); + if (templong <= 0 || templong > INT_MAX) + ohshit(_("file '%.250s' is corrupt - bad number of archive parts"), ar->name); + ir->maxpartn= templong; + templong = parse_intmax(partnums, ar->name, _("archive parts number")); + if (templong <= 0 || templong > ir->maxpartn) + ohshit(_("file '%.250s' is corrupt - bad archive part number"), ar->name); + ir->thispartn= templong; + + /* If the package was created with dpkg 1.16.1 or later it will include + * the architecture. */ + if (*rip != '\0') + ir->arch = nfstrsave(nextline(&rip, ar->name, _("package architecture"))); + else + ir->arch = NULL; + + rc = fd_read(ar->fd, &arh, sizeof(arh)); + if (rc != sizeof(arh)) + read_fail(rc, ar->name, "reading data part member ar header"); + + dpkg_ar_normalize_name(&arh); + + if (dpkg_ar_member_is_illegal(&arh)) + ohshit(_("file '%.250s' is corrupt - bad magic at end of second header"), + ar->name); + if (strncmp(arh.ar_name,"data",4)) + ohshit(_("file '%.250s' is corrupt - second member is not data member"), + ar->name); + + ir->thispartlen = dpkg_ar_member_get_size(ar, &arh); + ir->thispartoffset= (ir->thispartn-1)*ir->maxpartlen; + + if (ir->maxpartn != (ir->orglength+ir->maxpartlen-1)/ir->maxpartlen) + ohshit(_("file '%.250s' is corrupt - wrong number of parts for quoted sizes"), + ar->name); + if (ir->thispartlen != + (ir->thispartn == ir->maxpartn + ? ir->orglength - ir->thispartoffset : ir->maxpartlen)) + ohshit(_("file '%.250s' is corrupt - size is wrong for quoted part number"), + ar->name); + + ir->filesize = (strlen(DPKG_AR_MAGIC) + + sizeof(arh) + thisilen + (thisilen & 1) + + sizeof(arh) + ir->thispartlen + (ir->thispartlen & 1)); + + if (S_ISREG(ar->mode)) { + /* Don't do this check if it's coming from a pipe or something. It's + * only an extra sanity check anyway. */ + if (ar->size < ir->filesize) + ohshit(_("file '%.250s' is corrupt - too short"), ar->name); + } + + ir->headerlen = strlen(DPKG_AR_MAGIC) + + sizeof(arh) + thisilen + (thisilen & 1) + sizeof(arh); + + return ir; +} + +void mustgetpartinfo(const char *filename, struct partinfo *ri) { + struct dpkg_ar *part; + + part = dpkg_ar_open(filename); + if (!part) + ohshite(_("cannot open archive part file '%.250s'"), filename); + if (!read_info(part, ri)) + ohshite(_("file '%.250s' is not an archive part"), filename); + dpkg_ar_close(part); +} + +void print_info(const struct partinfo *pi) { + printf(_("%s:\n" + " Part format version: %d.%d\n" + " Part of package: %s\n" + " ... version: %s\n" + " ... architecture: %s\n" + " ... MD5 checksum: %s\n" + " ... length: %jd bytes\n" + " ... split every: %jd bytes\n" + " Part number: %d/%d\n" + " Part length: %jd bytes\n" + " Part offset: %jd bytes\n" + " Part file size (used portion): %jd bytes\n\n"), + pi->filename, + pi->fmtversion.major, pi->fmtversion.minor, + pi->package, + pi->version, + pi->arch ? pi->arch : C_("architecture", ""), + pi->md5sum, + (intmax_t)pi->orglength, + (intmax_t)pi->maxpartlen, + pi->thispartn, + pi->maxpartn, + (intmax_t)pi->thispartlen, + (intmax_t)pi->thispartoffset, + (intmax_t)pi->filesize); +} + +int +do_info(const char *const *argv) +{ + const char *thisarg; + struct partinfo *pi, ps; + struct dpkg_ar *part; + + if (!*argv) + badusage(_("--%s requires one or more part file arguments"), + cipaction->olong); + + while ((thisarg= *argv++)) { + part = dpkg_ar_open(thisarg); + if (!part) + ohshite(_("cannot open archive part file '%.250s'"), thisarg); + pi = read_info(part, &ps); + dpkg_ar_close(part); + if (pi) { + print_info(pi); + } else { + printf(_("file '%s' is not an archive part\n"), thisarg); + } + m_output(stdout, _("")); + } + + return 0; +} diff --git a/src/split/join.c b/src/split/join.c new file mode 100644 index 0000000..51de444 --- /dev/null +++ b/src/split/join.c @@ -0,0 +1,151 @@ +/* + * dpkg-split - splitting and joining of multipart *.deb archives + * join.c - joining + * + * Copyright © 1995 Ian Jackson + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "dpkg-split.h" + +void reassemble(struct partinfo **partlist, const char *outputfile) { + struct dpkg_error err; + int fd_out, fd_in; + int i; + + printf(P_("Putting package %s together from %d part: ", + "Putting package %s together from %d parts: ", + partlist[0]->maxpartn), + partlist[0]->package,partlist[0]->maxpartn); + + fd_out = creat(outputfile, 0644); + if (fd_out < 0) + ohshite(_("unable to open output file '%.250s'"), outputfile); + for (i=0; imaxpartn; i++) { + struct partinfo *pi = partlist[i]; + + fd_in = open(pi->filename, O_RDONLY); + if (fd_in < 0) + ohshite(_("unable to (re)open input part file '%.250s'"), pi->filename); + if (fd_skip(fd_in, pi->headerlen, &err) < 0) + ohshit(_("cannot skip split package header for '%s': %s"), pi->filename, + err.str); + if (fd_fd_copy(fd_in, fd_out, pi->thispartlen, &err) < 0) + ohshit(_("cannot append split package part '%s' to '%s': %s"), + pi->filename, outputfile, err.str); + close(fd_in); + + printf("%d ", i + 1); + } + if (fsync(fd_out)) + ohshite(_("unable to sync file '%s'"), outputfile); + if (close(fd_out)) + ohshite(_("unable to close file '%s'"), outputfile); + + printf(_("done\n")); +} + + +void addtopartlist(struct partinfo **partlist, + struct partinfo *pi, struct partinfo *refi) { + int i; + + if (strcmp(pi->package,refi->package) || + strcmp(pi->version,refi->version) || + strcmp(pi->md5sum,refi->md5sum) || + pi->orglength != refi->orglength || + pi->maxpartn != refi->maxpartn || + pi->maxpartlen != refi->maxpartlen) { + print_info(pi); + print_info(refi); + ohshit(_("files '%.250s' and '%.250s' are not parts of the same file"), + pi->filename,refi->filename); + } + i= pi->thispartn-1; + if (partlist[i]) + ohshit(_("there are several versions of part %d - at least '%.250s' and '%.250s'"), + pi->thispartn, pi->filename, partlist[i]->filename); + partlist[i]= pi; +} + +int +do_join(const char *const *argv) +{ + const char *thisarg; + struct partqueue *queue = NULL; + struct partqueue *pq; + struct partinfo *refi, **partlist; + int i; + + if (!*argv) + badusage(_("--%s requires one or more part file arguments"), + cipaction->olong); + while ((thisarg= *argv++)) { + pq = nfmalloc(sizeof(*pq)); + + mustgetpartinfo(thisarg,&pq->info); + + pq->nextinqueue= queue; + queue= pq; + } + refi= NULL; + for (pq= queue; pq; pq= pq->nextinqueue) + if (!refi || pq->info.thispartn < refi->thispartn) refi= &pq->info; + if (refi == NULL) + internerr("empty deb part queue"); + + partlist = nfmalloc(sizeof(*partlist) * refi->maxpartn); + for (i = 0; i < refi->maxpartn; i++) + partlist[i] = NULL; + for (pq= queue; pq; pq= pq->nextinqueue) { + struct partinfo *pi = &pq->info; + + addtopartlist(partlist,pi,refi); + } + for (i=0; imaxpartn; i++) { + if (!partlist[i]) ohshit(_("part %d is missing"),i+1); + } + if (!opt_outputfile) { + char *p; + + p= nfmalloc(strlen(refi->package)+1+strlen(refi->version)+sizeof(DEBEXT)); + strcpy(p,refi->package); + strcat(p, "_"); + strcat(p,refi->version); + strcat(p, "_"); + strcat(p, refi->arch ? refi->arch : "unknown"); + strcat(p,DEBEXT); + opt_outputfile = p; + } + reassemble(partlist, opt_outputfile); + + return 0; +} diff --git a/src/split/main.c b/src/split/main.c new file mode 100644 index 0000000..eba2333 --- /dev/null +++ b/src/split/main.c @@ -0,0 +1,185 @@ +/* + * dpkg-split - splitting and joining of multipart *.deb archives + * main.c - main program + * + * Copyright © 1994-1996 Ian Jackson + * Copyright © 2006-2012 Guillem Jover + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#include +#include + +#include + +#include +#include +#include +#if HAVE_LOCALE_H +#include +#endif +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "dpkg-split.h" + +static int +printversion(const char *const *argv) +{ + printf(_("Debian '%s' package split/join tool; version %s.\n"), + SPLITTER, PACKAGE_RELEASE); + + printf(_( +"This is free software; see the GNU General Public License version 2 or\n" +"later for copying conditions. There is NO warranty.\n")); + + m_output(stdout, _("")); + + return 0; +} + +static int +usage(const char *const *argv) +{ + printf(_( +"Usage: %s [