2 * Copyright (c) 2009, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
21 #include "solver.h" /* for GET_USERINSTALLED_ flags */
29 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
30 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
33 static unsigned char *
34 decompress_gz(unsigned char *in, int inl, int *outlp, int maxoutl)
38 unsigned char *bp, *out;
40 /* first skip the gz header */
41 if (inl <= 10 || in[0] != 0x1f || in[1] != 0x8b)
43 if (in[2] != 8 || (in[3] & 0xe0) != 0)
46 bp += 6; /* skip time, xflags and OS code */
49 /* skip extra field */
50 int l = bp + 2 >= in + inl ? 0 : (bp[0] | bp[1] << 8);
53 if (in[3] & 0x08) /* orig filename */
54 while (bp < in + inl && *bp++)
56 if (in[3] & 0x10) /* file comment */
57 while (bp < in + inl && *bp++)
59 if (in[3] & 0x02) /* header crc */
66 memset(&strm, 0, sizeof(strm));
69 out = solv_malloc(4096);
71 strm.avail_out = 4096;
73 ret = inflateInit2(&strm, -MAX_WBITS);
81 if (strm.avail_out == 0)
90 out = solv_realloc(out, outl + 4096);
91 strm.next_out = out + outl;
92 strm.avail_out = 4096;
94 ret = inflate(&strm, Z_NO_FLUSH);
95 if (ret == Z_STREAM_END)
104 outl += 4096 - strm.avail_out;
110 static unsigned char *
111 decompress_xz(unsigned char *in, int inl, int *outlp, int maxoutl)
113 static lzma_stream stream_init = LZMA_STREAM_INIT;
121 out = solv_malloc(4096);
123 strm.avail_out = 4096;
125 ret = lzma_auto_decoder(&strm, 100 << 20, 0);
133 if (strm.avail_out == 0)
142 out = solv_realloc(out, outl + 4096);
143 strm.next_out = out + outl;
144 strm.avail_out = 4096;
146 ret = lzma_code(&strm, LZMA_RUN);
147 if (ret == LZMA_STREAM_END)
156 outl += 4096 - strm.avail_out;
163 parseonedep(Pool *pool, char *p)
165 char *n, *ne, *e, *ee;
169 while (*p == ' ' || *p == '\t' || *p == '\n')
171 if (!*p || *p == '(')
174 /* find end of name */
175 while (*p && *p != ' ' && *p != '\t' && *p != '\n' && *p != '(' && *p != '|')
178 while (*p == ' ' || *p == '\t' || *p == '\n')
186 while (*p == ' ' || *p == '\t' || *p == '\n')
207 while (*p == ' ' || *p == '\t' || *p == '\n')
210 while (*p && *p != ' ' && *p != '\t' && *p != '\n' && *p != ')')
213 while (*p && *p != ')')
217 while (*p == ' ' || *p == '\t' || *p == '\n')
220 if (ne - n > 4 && ne[-4] == ':' && !strncmp(ne - 4, ":any", 4))
222 /* multiarch annotation */
223 name = pool_strn2id(pool, n, ne - n - 4, 1);
224 name = pool_rel2id(pool, name, ARCH_ANY, REL_MULTIARCH, 1);
227 name = pool_strn2id(pool, n, ne - n, 1);
230 evr = pool_strn2id(pool, e, ee - e, 1);
231 name = pool_rel2id(pool, name, evr, flags, 1);
235 Id id = parseonedep(pool, p + 1);
237 name = pool_rel2id(pool, name, id, REL_OR, 1);
243 makedeps(Repo *repo, char *deps, unsigned int olddeps, Id marker)
245 Pool *pool = repo->pool;
249 while ((p = strchr(deps, ',')) != 0)
252 olddeps = makedeps(repo, deps, olddeps, marker);
256 id = parseonedep(pool, deps);
259 return repo_addid_dep(repo, olddeps, id, marker);
263 /* put data from control file into the solvable */
264 /* warning: does inplace changes */
266 control2solvable(Solvable *s, Repodata *data, char *control)
268 Repo *repo = s->repo;
269 Pool *pool = repo->pool;
270 char *p, *q, *end, *tag;
273 char checksum[32 * 2 + 1];
283 if (p[1] == ' ' || p[1] == '\t')
286 /* continuation line */
288 while (q >= control && *q == ' ' && *q == '\t')
292 memmove(p + 1 - l, control, l);
301 /* strip trailing space */
302 while (end >= control && (*end == ' ' || *end == '\t'))
306 q = strchr(tag, ':');
307 if (!q || q - tag < 4)
310 while (*q == ' ' || *q == '\t')
312 x = '@' + (tag[0] & 0x1f);
313 x = (x << 8) + '@' + (tag[1] & 0x1f);
317 if (!strcasecmp(tag, "architecture"))
318 s->arch = pool_str2id(pool, q, 1);
321 if (!strcasecmp(tag, "breaks"))
322 s->conflicts = makedeps(repo, q, s->conflicts, 0);
325 if (!strcasecmp(tag, "conflicts"))
326 s->conflicts = makedeps(repo, q, s->conflicts, 0);
329 if (!strcasecmp(tag, "depends"))
330 s->requires = makedeps(repo, q, s->requires, -SOLVABLE_PREREQMARKER);
331 else if (!strcasecmp(tag, "description"))
333 char *ld = strchr(q, '\n');
337 repodata_set_str(data, s - pool->solvables, SOLVABLE_DESCRIPTION, ld);
340 repodata_set_str(data, s - pool->solvables, SOLVABLE_DESCRIPTION, q);
341 repodata_set_str(data, s - pool->solvables, SOLVABLE_SUMMARY, q);
345 if (!strcasecmp(tag, "enhances"))
346 s->enhances = makedeps(repo, q, s->enhances, 0);
349 if (!strcasecmp(tag, "filename"))
350 repodata_set_location(data, s - pool->solvables, 0, 0, q);
353 if (!strcasecmp(tag, "homepage"))
354 repodata_set_str(data, s - pool->solvables, SOLVABLE_URL, q);
357 if (!strcasecmp(tag, "installed-size"))
358 repodata_set_num(data, s - pool->solvables, SOLVABLE_INSTALLSIZE, strtoull(q, 0, 10) << 10);
361 if (!strcasecmp(tag, "md5sum") && !checksumtype && strlen(q) == 16 * 2)
364 checksumtype = REPOKEY_TYPE_MD5;
368 if (!strcasecmp(tag, "package"))
369 s->name = pool_str2id(pool, q, 1);
372 if (!strcasecmp(tag, "pre-depends"))
373 s->requires = makedeps(repo, q, s->requires, SOLVABLE_PREREQMARKER);
374 else if (!strcasecmp(tag, "provides"))
375 s->provides = makedeps(repo, q, s->provides, 0);
378 if (!strcasecmp(tag, "replaces"))
379 s->obsoletes = makedeps(repo, q, s->obsoletes, 0);
380 else if (!strcasecmp(tag, "recommends"))
381 s->recommends = makedeps(repo, q, s->recommends, 0);
384 newtype = solv_chksum_str2type(tag);
385 if (!newtype || solv_chksum_len(newtype) * 2 != strlen(q))
387 if (!checksumtype || (newtype == REPOKEY_TYPE_SHA1 && checksumtype != REPOKEY_TYPE_SHA256) || newtype == REPOKEY_TYPE_SHA256)
390 checksumtype = newtype;
394 if (!strcasecmp(tag, "source"))
397 /* ignore version for now */
398 for (q2 = q; *q2; q2++)
399 if (*q2 == ' ' || *q2 == '\t')
404 if (s->name && !strcmp(q, pool_id2str(pool, s->name)))
405 repodata_set_void(data, s - pool->solvables, SOLVABLE_SOURCENAME);
407 repodata_set_id(data, s - pool->solvables, SOLVABLE_SOURCENAME, pool_str2id(pool, q, 1));
412 if (!strcasecmp(tag, "status"))
413 repodata_set_poolstr(data, s - pool->solvables, SOLVABLE_INSTALLSTATUS, q);
416 if (!strcasecmp(tag, "suggests"))
417 s->suggests = makedeps(repo, q, s->suggests, 0);
420 if (!strcasecmp(tag, "version"))
421 s->evr = pool_str2id(pool, q, 1);
426 repodata_set_checksum(data, s - pool->solvables, SOLVABLE_CHECKSUM, checksumtype, checksum);
432 s->provides = repo_addid_dep(repo, s->provides, pool_rel2id(pool, s->name, s->evr, REL_EQ, 1), 0);
433 if (s->name && !havesource)
434 repodata_set_void(data, s - pool->solvables, SOLVABLE_SOURCENAME);
437 /* obsoletes only count when the packages also conflict */
438 /* XXX: should not transcode here */
441 for (i = j = s->obsoletes; (d = repo->idarraydata[i]) != 0; i++)
445 for (k = s->conflicts; (cid = repo->idarraydata[k]) != 0; k++)
447 if (repo->idarraydata[k] == cid)
451 Reldep *rd = GETRELDEP(pool, cid);
452 if (rd->flags < 8 && rd->name == d)
453 break; /* specialize obsoletes */
457 repo->idarraydata[j++] = cid;
459 repo->idarraydata[j] = 0;
460 if (j == s->obsoletes)
466 repo_add_debpackages(Repo *repo, FILE *fp, int flags)
468 Pool *pool = repo->pool;
474 data = repo_add_repodata(repo, flags);
475 buf = solv_malloc(4096);
482 if (!(p = strchr(p, '\n')))
485 while (l + 1024 >= bufl)
487 buf = solv_realloc(buf, bufl + 4096);
491 ll = fread(p, 1, bufl - l - 1, fp);
495 while ((l3 = strlen(p)) < ll)
507 s = pool_id2solvable(pool, repo_add_solvable(repo));
508 control2solvable(s, data, buf);
510 s = solvable_free(s, 1);
512 memmove(buf, p + 1, l - ll);
519 s = pool_id2solvable(pool, repo_add_solvable(repo));
520 control2solvable(s, data, buf);
522 s = solvable_free(s, 1);
525 if (!(flags & REPO_NO_INTERNALIZE))
526 repodata_internalize(data);
531 repo_add_debdb(Repo *repo, int flags)
534 const char *path = "/var/lib/dpkg/status";
535 if (flags & REPO_USE_ROOTDIR)
536 path = pool_prepend_rootdir_tmp(repo->pool, path);
537 if ((fp = fopen(path, "r")) == 0)
538 return pool_error(repo->pool, -1, "%s: %s", path, strerror(errno));
539 repo_add_debpackages(repo, fp, flags);
544 #define CONTROL_COMP_NONE 0
545 #define CONTROL_COMP_GZIP 1
546 #define CONTROL_COMP_XZ 2
549 repo_add_deb(Repo *repo, const char *deb, int flags)
551 Pool *pool = repo->pool;
553 unsigned char buf[4096], *bp;
554 int l, l2, vlen, clen, ctarlen;
557 unsigned char pkgid[16];
564 data = repo_add_repodata(repo, flags);
565 if ((fp = fopen(flags & REPO_USE_ROOTDIR ? pool_prepend_rootdir_tmp(pool, deb) : deb, "r")) == 0)
567 pool_error(pool, -1, "%s: %s", deb, strerror(errno));
570 if (fstat(fileno(fp), &stb))
572 pool_error(pool, -1, "fstat: %s", strerror(errno));
576 l = fread(buf, 1, sizeof(buf), fp);
577 if (l < 8 + 60 || (strncmp((char *)buf, "!<arch>\ndebian-binary ", 8 + 16) != 0 && strncmp((char *)buf, "!<arch>\ndebian-binary/ ", 8 + 16) != 0))
579 pool_error(pool, -1, "%s: not a deb package", deb);
583 vlen = atoi((char *)buf + 8 + 48);
584 if (vlen < 0 || vlen > l)
586 pool_error(pool, -1, "%s: not a deb package", deb);
591 if (l < 8 + 60 + vlen + 60)
593 pool_error(pool, -1, "%s: unhandled deb package", deb);
598 if (!strncmp((char *)buf + 8 + 60 + vlen, "control.tar.gz ", 16) || !strncmp((char *)buf + 8 + 60 + vlen, "control.tar.gz/ ", 16))
599 control_comp = CONTROL_COMP_GZIP;
600 else if (!strncmp((char *)buf + 8 + 60 + vlen, "control.tar.xz ", 16) || !strncmp((char *)buf + 8 + 60 + vlen, "control.tar.xz/ ", 16))
601 control_comp = CONTROL_COMP_XZ;
602 else if (!strncmp((char *)buf + 8 + 60 + vlen, "control.tar ", 16) || !strncmp((char *)buf + 8 + 60 + vlen, "control.tar/ ", 16))
603 control_comp = CONTROL_COMP_NONE;
606 pool_error(pool, -1, "%s: control.tar is not second entry", deb);
610 /* dpkg has no actual maximum size for the control.tar member, so this
611 * just keeps from allocating arbitrarily large amounts of memory.
613 clen = atoi((char *)buf + 8 + 60 + vlen + 48);
614 if (clen <= 0 || clen >= 0x1000000)
616 pool_error(pool, -1, "%s: control.tar has illegal size", deb);
620 ctgz = solv_calloc(1, clen + 4);
621 bp = buf + 8 + 60 + vlen + 60;
622 l -= 8 + 60 + vlen + 60;
629 if (fread(ctgz + l, clen - l, 1, fp) != 1)
631 pool_error(pool, -1, "%s: unexpected EOF", deb);
639 if (flags & DEBS_ADD_WITH_PKGID)
641 Chksum *chk = solv_chksum_create(REPOKEY_TYPE_MD5);
642 solv_chksum_add(chk, ctgz, clen);
643 solv_chksum_free(chk, pkgid);
647 if (control_comp == CONTROL_COMP_GZIP)
648 ctar = decompress_gz(ctgz, clen, &ctarlen, 0x1000000);
649 else if (control_comp == CONTROL_COMP_XZ)
650 ctar = decompress_xz(ctgz, clen, &ctarlen, 0x1000000);
654 ctar = solv_memdup(ctgz, clen);
659 pool_error(pool, -1, "%s: control.tar is corrupt", deb);
669 for (j = 124; j < 124 + 12; j++)
670 if (bp[j] >= '0' && bp[j] <= '7')
671 l2 = l2 * 8 + (bp[j] - '0');
672 if (l2 < 0 || l2 > l)
678 if (!strcmp((char *)bp, "./control") || !strcmp((char *)bp, "control"))
680 l2 = 512 + ((l2 + 511) & ~511);
684 if (l <= 512 || l - 512 - l2 <= 0 || l2 <= 0)
686 pool_error(pool, -1, "%s: control.tar contains no control file", deb);
690 memmove(ctar, bp + 512, l2);
691 ctar = solv_realloc(ctar, l2 + 1);
693 s = pool_id2solvable(pool, repo_add_solvable(repo));
694 control2solvable(s, data, (char *)ctar);
695 if (!(flags & REPO_NO_LOCATION))
696 repodata_set_location(data, s - pool->solvables, 0, 0, deb);
697 if (S_ISREG(stb.st_mode))
698 repodata_set_num(data, s - pool->solvables, SOLVABLE_DOWNLOADSIZE, (unsigned long long)stb.st_size);
700 repodata_set_bin_checksum(data, s - pool->solvables, SOLVABLE_PKGID, REPOKEY_TYPE_MD5, pkgid);
702 if (!(flags & REPO_NO_INTERNALIZE))
703 repodata_internalize(data);
704 return s - pool->solvables;
708 pool_deb_get_autoinstalled(Pool *pool, FILE *fp, Queue *q, int flags)
710 Id name = 0, arch = 0;
711 int autoinstalled = -1;
713 int x, l, bufl, eof = 0;
717 buf = solv_malloc(4096);
722 while (bufl - l < 1024)
725 if (bufl > 1024 * 64)
727 buf = solv_realloc(buf, bufl);
729 if (!fgets(buf + l, bufl - l, fp))
736 if (l && buf[l - 1] == '\n')
741 if (name && autoinstalled > 0)
743 if ((flags & GET_USERINSTALLED_NAMEARCH) != 0)
744 queue_push2(q, name, arch);
745 else if ((flags & GET_USERINSTALLED_NAMES) != 0)
749 FOR_PROVIDES(p, pp, name)
751 Solvable *s = pool->solvables + p;
754 if (arch && s->arch != arch)
764 /* strip trailing space */
765 while (l && (buf[l - 1] == ' ' || buf[l - 1] == '\t'))
769 bp = strchr(buf, ':');
770 if (!bp || bp - buf < 4)
773 while (*bp == ' ' || *bp == '\t')
775 x = '@' + (buf[0] & 0x1f);
776 x = (x << 8) + '@' + (buf[1] & 0x1f);
780 if (!strcasecmp(buf, "package"))
781 name = pool_str2id(pool, bp, 1);
784 if (!strcasecmp(buf, "architecture"))
785 arch = pool_str2id(pool, bp, 1);
788 if (!strcasecmp(buf, "auto-installed"))
789 autoinstalled = atoi(bp);