/* * Copyright (c) 2012, Novell Inc. * * This program is licensed under the BSD license, read LICENSE.BSD * for further information */ #include #include #include #include #include #include #include #include #include #include "pool.h" #include "repo.h" #include "util.h" #include "chksum.h" #include "solv_xfopen.h" #include "repo_arch.h" static long long parsenum(unsigned char *p, int cnt) { long long x = 0; if (!cnt) return -1; if (*p & 0x80) { /* binary format */ x = *p & 0x40 ? (-1 << 8 | *p) : (*p ^ 0x80); while (--cnt > 0) x = (x << 8) | *p++; return x; } while (cnt > 0 && (*p == ' ' || *p == '\t')) cnt--, p++; if (*p == '-') return -1; for (; cnt > 0 && *p >= '0' && *p < '8'; cnt--, p++) x = (x << 3) | (*p - '0'); return x; } static int readblock(FILE *fp, unsigned char *blk) { int r, l = 0; while (l < 512) { r = fread(blk + l, 1, 512 - l, fp); if (r <= 0) return -1; l += r; } return 0; } struct tarhead { FILE *fp; unsigned char blk[512]; int type; long long length; char *path; int eof; int ispax; int off; int end; }; static char *getsentry(struct tarhead *th, char *s, int size) { char *os = s; if (th->eof || size <= 1) return 0; size--; /* terminating 0 */ for (;;) { int i; for (i = th->off; i < th->end; i++) { *s++ = th->blk[i]; size--; if (!size || th->blk[i] == '\n') { th->off = i + 1; *s = 0; return os; } } th->off = i; if (!th->path) { /* fake entry */ th->end = fread(th->blk, 1, 512, th->fp); if (th->end <= 0) { th->eof = 1; return 0; } th->off = 0; continue; } if (th->length <= 0) return 0; if (readblock(th->fp, th->blk)) { th->eof = 1; return 0; } th->off = 0; th->end = th->length > 512 ? 512 : th->length; th->length -= th->end; } } static void skipentry(struct tarhead *th) { for (; th->length > 0; th->length -= 512) { if (readblock(th->fp, th->blk)) { th->eof = 1; th->length = 0; return; } } th->length = 0; th->off = th->end = 0; } static void inittarhead(struct tarhead *th, FILE *fp) { memset(th, 0, sizeof(*th)); th->fp = fp; } static void freetarhead(struct tarhead *th) { solv_free(th->path); } static int gettarhead(struct tarhead *th) { int l, type; long long length; th->path = solv_free(th->path); th->ispax = 0; th->type = 0; th->length = 0; th->off = 0; th->end = 0; if (th->eof) return 0; for (;;) { int r = readblock(th->fp, th->blk); if (r) { if (feof(th->fp)) { th->eof = 1; return 0; } return -1; } if (th->blk[0] == 0) { th->eof = 1; return 0; } length = parsenum(th->blk + 124, 12); if (length < 0) return -1; type = 0; switch (th->blk[156]) { case 'S': case '0': type = 1; /* file */ break; case '1': /* hard link, special length magic... */ if (!th->ispax) length = 0; break; case '5': type = 2; /* dir */ break; case '2': case '3': case '4': case '6': length = 0; break; case 'X': case 'x': case 'L': { char *data, *pp; if (length < 1 || length >= 1024 * 1024) return -1; data = pp = solv_malloc(length + 512); for (l = length; l > 0; l -= 512, pp += 512) if (readblock(th->fp, (unsigned char *)pp)) { solv_free(data); return -1; } data[length] = 0; type = 3; /* extension */ if (th->blk[156] == 'L') { solv_free(th->path); th->path = data; length = 0; break; } pp = data; while (length > 0) { int ll = 0; for (l = 0; l < length && pp[l] >= '0' && pp[l] <= '9'; l++) ll = ll * 10 + (pp[l] - '0'); if (l == length || pp[l] != ' ' || ll < 1 || ll > length || pp[ll - 1] != '\n') { solv_free(data); return -1; } length -= ll; pp += l + 1; ll -= l + 1; pp[ll - 1] = 0; if (!strncmp(pp, "path=", 5)) { solv_free(th->path); th->path = solv_strdup(pp + 5); } pp += ll; } solv_free(data); th->ispax = 1; length = 0; break; } default: type = 3; /* extension */ break; } if ((type == 1 || type == 2) && !th->path) { char path[157]; memcpy(path, th->blk, 156); path[156] = 0; if (!memcmp(th->blk + 257, "ustar\0\060\060", 8) && !th->path && th->blk[345]) { /* POSIX ustar with prefix */ char prefix[156]; memcpy(prefix, th->blk + 345, 155); prefix[155] = 0; l = strlen(prefix); if (l && prefix[l - 1] == '/') prefix[l - 1] = 0; th->path = solv_dupjoin(prefix, "/", path); } else th->path = solv_dupjoin(path, 0, 0); } if (type == 1 || type == 2) { l = strlen(th->path); if (l && th->path[l - 1] == '/') { if (l > 1) th->path[l - 1] = 0; type = 2; } } if (type != 3) break; while (length > 0) { r = readblock(th->fp, th->blk); if (r) return r; length -= 512; } } th->type = type; th->length = length; return 1; } static Offset adddep(Repo *repo, Offset olddeps, char *line) { Pool *pool = repo->pool; char *p; Id id; while (*line == ' ' || *line == '\t') line++; p = line; while (*p && *p != ' ' && *p != '\t' && *p != '<' && *p != '=' && *p != '>') p++; id = pool_strn2id(pool, line, p - line, 1); while (*p == ' ' || *p == '\t') p++; if (*p == '<' || *p == '=' || *p == '>') { int flags = 0; for (;; p++) { if (*p == '<') flags |= REL_LT; else if (*p == '=') flags |= REL_EQ; else if (*p == '>') flags |= REL_GT; else break; } while (*p == ' ' || *p == '\t') p++; line = p; while (*p && *p != ' ' && *p != '\t') p++; id = pool_rel2id(pool, id, pool_strn2id(pool, line, p - line, 1), flags, 1); } return repo_addid_dep(repo, olddeps, id, 0); } Id repo_add_arch_pkg(Repo *repo, const char *fn, int flags) { Pool *pool = repo->pool; Repodata *data; FILE *fp; struct tarhead th; char line[4096]; int ignoreline; Solvable *s; int l, fd; struct stat stb; Chksum *pkgidchk = 0; data = repo_add_repodata(repo, flags); if ((fd = open(flags & REPO_USE_ROOTDIR ? pool_prepend_rootdir_tmp(pool, fn) : fn, O_RDONLY, 0)) < 0) { pool_error(pool, -1, "%s: %s", fn, strerror(errno)); return 0; } if (fstat(fd, &stb)) { pool_error(pool, -1, "%s: fstat: %s", fn, strerror(errno)); close(fd); return 0; } if (!(fp = solv_xfopen_fd(fn, fd, "r"))) { pool_error(pool, -1, "%s: fdopen failed", fn); close(fd); return 0; } s = 0; inittarhead(&th, fp); while (gettarhead(&th) > 0) { if (th.type != 1 || strcmp(th.path, ".PKGINFO") != 0) { skipentry(&th); continue; } ignoreline = 0; s = pool_id2solvable(pool, repo_add_solvable(repo)); if (flags & ARCH_ADD_WITH_PKGID) pkgidchk = solv_chksum_create(REPOKEY_TYPE_MD5); while (getsentry(&th, line, sizeof(line))) { l = strlen(line); if (l == 0) continue; if (pkgidchk) solv_chksum_add(pkgidchk, line, l); if (line[l - 1] != '\n') { ignoreline = 1; continue; } if (ignoreline) { ignoreline = 0; continue; } line[--l] = 0; if (l == 0 || line[0] == '#') continue; if (!strncmp(line, "pkgname = ", 10)) s->name = pool_str2id(pool, line + 10, 1); else if (!strncmp(line, "pkgver = ", 9)) s->evr = pool_str2id(pool, line + 9, 1); else if (!strncmp(line, "pkgdesc = ", 10)) { repodata_set_str(data, s - pool->solvables, SOLVABLE_SUMMARY, line + 10); repodata_set_str(data, s - pool->solvables, SOLVABLE_DESCRIPTION, line + 10); } else if (!strncmp(line, "url = ", 6)) repodata_set_str(data, s - pool->solvables, SOLVABLE_URL, line + 6); else if (!strncmp(line, "builddate = ", 12)) repodata_set_num(data, s - pool->solvables, SOLVABLE_BUILDTIME, strtoull(line + 12, 0, 10)); else if (!strncmp(line, "packager = ", 11)) repodata_set_poolstr(data, s - pool->solvables, SOLVABLE_PACKAGER, line + 11); else if (!strncmp(line, "size = ", 7)) repodata_set_num(data, s - pool->solvables, SOLVABLE_INSTALLSIZE, strtoull(line + 7, 0, 10)); else if (!strncmp(line, "arch = ", 7)) s->arch = pool_str2id(pool, line + 7, 1); else if (!strncmp(line, "license = ", 10)) repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_LICENSE, line + 10); else if (!strncmp(line, "replaces = ", 11)) s->obsoletes = adddep(repo, s->obsoletes, line + 11); else if (!strncmp(line, "group = ", 8)) repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_GROUP, line + 8); else if (!strncmp(line, "depend = ", 9)) s->requires = adddep(repo, s->requires, line + 9); else if (!strncmp(line, "optdepend = ", 12)) { char *p = strchr(line, ':'); if (p) *p = 0; s->suggests = adddep(repo, s->suggests, line + 12); } else if (!strncmp(line, "conflict = ", 11)) s->conflicts = adddep(repo, s->conflicts, line + 11); else if (!strncmp(line, "provides = ", 11)) s->provides = adddep(repo, s->provides, line + 11); } break; } freetarhead(&th); fclose(fp); if (!s) { pool_error(pool, -1, "%s: not an arch package", fn); if (pkgidchk) solv_chksum_free(pkgidchk, 0); return 0; } if (s && !s->name) { pool_error(pool, -1, "%s: package has no name", fn); s = solvable_free(s, 1); } if (s) { if (!s->arch) s->arch = ARCH_ANY; if (!s->evr) s->evr = ID_EMPTY; s->provides = repo_addid_dep(repo, s->provides, pool_rel2id(pool, s->name, s->evr, REL_EQ, 1), 0); if (!(flags & REPO_NO_LOCATION)) repodata_set_location(data, s - pool->solvables, 0, 0, fn); if (S_ISREG(stb.st_mode)) repodata_set_num(data, s - pool->solvables, SOLVABLE_DOWNLOADSIZE, (unsigned long long)stb.st_size); if (pkgidchk) { unsigned char pkgid[16]; solv_chksum_free(pkgidchk, pkgid); repodata_set_bin_checksum(data, s - pool->solvables, SOLVABLE_PKGID, REPOKEY_TYPE_MD5, pkgid); pkgidchk = 0; } } if (pkgidchk) solv_chksum_free(pkgidchk, 0); if (!(flags & REPO_NO_INTERNALIZE)) repodata_internalize(data); return s ? s - pool->solvables : 0; } static char *getsentrynl(struct tarhead *th, char *s, int size) { int l; if (!getsentry(th, s, size)) { *s = 0; /* eof */ return 0; } l = strlen(s); if (!l) return 0; if (l && s[l - 1] == '\n') { s[l - 1] = 0; return s; } while (getsentry(th, s, size)) { l = strlen(s); if (!l || s[l - 1] == '\n') return 0; } *s = 0; /* eof */ return 0; } static Hashtable joinhash_init(Repo *repo, Hashval *hmp) { Hashval hm = mkmask(repo->nsolvables); Hashtable ht = solv_calloc(hm + 1, sizeof(*ht)); Hashval h, hh; Solvable *s; int i; FOR_REPO_SOLVABLES(repo, i, s) { hh = HASHCHAIN_START; h = s->name & hm; while (ht[h]) h = HASHCHAIN_NEXT(h, hh, hm); ht[h] = i; } *hmp = hm; return ht; } static Solvable * joinhash_lookup(Repo *repo, Hashtable ht, Hashval hm, const char *fn) { const char *p; Id name, evr; Hashval h, hh; if ((p = strrchr(fn, '/')) != 0) fn = p + 1; /* here we assume that the dirname is name-evr */ if (!*fn) return 0; for (p = fn + strlen(fn) - 1; p > fn; p--) { while (p > fn && *p != '-') p--; if (p == fn) return 0; name = pool_strn2id(repo->pool, fn, p - fn, 0); if (!name) continue; evr = pool_str2id(repo->pool, p + 1, 0); if (!evr) continue; /* found valid name/evr combination, check hash */ hh = HASHCHAIN_START; h = name & hm; while (ht[h]) { Solvable *s = repo->pool->solvables + ht[h]; if (s->name == name && s->evr == evr) return s; h = HASHCHAIN_NEXT(h, hh, hm); } } return 0; } static void adddata(Repodata *data, Solvable *s, struct tarhead *th) { Repo *repo = data->repo; Pool *pool = repo->pool; char line[4096]; int l; int havesha256 = 0; while (getsentry(th, line, sizeof(line))) { l = strlen(line); if (l == 0 || line[l - 1] != '\n') continue; line[--l] = 0; if (l <= 2 || line[0] != '%' || line[l - 1] != '%') continue; if (!strcmp(line, "%FILENAME%")) { if (getsentrynl(th, line, sizeof(line))) repodata_set_location(data, s - pool->solvables, 0, 0, line); } else if (!strcmp(line, "%NAME%")) { if (getsentrynl(th, line, sizeof(line))) s->name = pool_str2id(pool, line, 1); } else if (!strcmp(line, "%VERSION%")) { if (getsentrynl(th, line, sizeof(line))) s->evr = pool_str2id(pool, line, 1); } else if (!strcmp(line, "%DESC%")) { if (getsentrynl(th, line, sizeof(line))) { repodata_set_str(data, s - pool->solvables, SOLVABLE_SUMMARY, line); repodata_set_str(data, s - pool->solvables, SOLVABLE_DESCRIPTION, line); } } else if (!strcmp(line, "%GROUPS%")) { if (getsentrynl(th, line, sizeof(line))) repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_GROUP, line); } else if (!strcmp(line, "%CSIZE%")) { if (getsentrynl(th, line, sizeof(line))) repodata_set_num(data, s - pool->solvables, SOLVABLE_DOWNLOADSIZE, strtoull(line, 0, 10)); } else if (!strcmp(line, "%ISIZE%")) { if (getsentrynl(th, line, sizeof(line))) repodata_set_num(data, s - pool->solvables, SOLVABLE_INSTALLSIZE, strtoull(line, 0, 10)); } else if (!strcmp(line, "%MD5SUM%")) { if (getsentrynl(th, line, sizeof(line)) && !havesha256) repodata_set_checksum(data, s - pool->solvables, SOLVABLE_CHECKSUM, REPOKEY_TYPE_MD5, line); } else if (!strcmp(line, "%SHA256SUM%")) { if (getsentrynl(th, line, sizeof(line))) { repodata_set_checksum(data, s - pool->solvables, SOLVABLE_CHECKSUM, REPOKEY_TYPE_SHA256, line); havesha256 = 1; } } else if (!strcmp(line, "%URL%")) { if (getsentrynl(th, line, sizeof(line))) repodata_set_str(data, s - pool->solvables, SOLVABLE_URL, line); } else if (!strcmp(line, "%LICENSE%")) { if (getsentrynl(th, line, sizeof(line))) repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_LICENSE, line); } else if (!strcmp(line, "%ARCH%")) { if (getsentrynl(th, line, sizeof(line))) s->arch = pool_str2id(pool, line, 1); } else if (!strcmp(line, "%BUILDDATE%")) { if (getsentrynl(th, line, sizeof(line))) repodata_set_num(data, s - pool->solvables, SOLVABLE_BUILDTIME, strtoull(line, 0, 10)); } else if (!strcmp(line, "%PACKAGER%")) { if (getsentrynl(th, line, sizeof(line))) repodata_set_poolstr(data, s - pool->solvables, SOLVABLE_PACKAGER, line); } else if (!strcmp(line, "%REPLACES%")) { while (getsentrynl(th, line, sizeof(line)) && *line) s->obsoletes = adddep(repo, s->obsoletes, line); } else if (!strcmp(line, "%DEPENDS%")) { while (getsentrynl(th, line, sizeof(line)) && *line) s->requires = adddep(repo, s->requires, line); } else if (!strcmp(line, "%CONFLICTS%")) { while (getsentrynl(th, line, sizeof(line)) && *line) s->conflicts = adddep(repo, s->conflicts, line); } else if (!strcmp(line, "%PROVIDES%")) { while (getsentrynl(th, line, sizeof(line)) && *line) s->provides = adddep(repo, s->provides, line); } else if (!strcmp(line, "%OPTDEPENDS%")) { while (getsentrynl(th, line, sizeof(line)) && *line) { char *p = strchr(line, ':'); if (p && p > line) *p = 0; s->suggests = adddep(repo, s->suggests, line); } } else if (!strcmp(line, "%FILES%")) { while (getsentrynl(th, line, sizeof(line)) && *line) { char *p; Id id; l = strlen(line); if (l > 1 && line[l - 1] == '/') line[--l] = 0; /* remove trailing slashes */ if ((p = strrchr(line , '/')) != 0) { *p++ = 0; if (line[0] != '/') /* anchor */ { char tmp = *p; memmove(line + 1, line, p - 1 - line); *line = '/'; *p = 0; id = repodata_str2dir(data, line, 1); *p = tmp; } else id = repodata_str2dir(data, line, 1); } else { p = line; id = 0; } if (!id) id = repodata_str2dir(data, "/", 1); repodata_add_dirstr(data, s - pool->solvables, SOLVABLE_FILELIST, id, p); } } while (*line) getsentrynl(th, line, sizeof(line)); } } static void finishsolvable(Repo *repo, Solvable *s) { Pool *pool = repo->pool; if (!s) return; if (!s->name) { solvable_free(s, 1); return; } if (!s->arch) s->arch = ARCH_ANY; if (!s->evr) s->evr = ID_EMPTY; s->provides = repo_addid_dep(repo, s->provides, pool_rel2id(pool, s->name, s->evr, REL_EQ, 1), 0); } int repo_add_arch_repo(Repo *repo, FILE *fp, int flags) { Pool *pool = repo->pool; Repodata *data; struct tarhead th; char *lastdn = 0; int lastdnlen = 0; Solvable *s = 0; Hashtable joinhash = 0; Hashval joinhashmask = 0; data = repo_add_repodata(repo, flags); if (flags & REPO_EXTEND_SOLVABLES) joinhash = joinhash_init(repo, &joinhashmask); inittarhead(&th, fp); while (gettarhead(&th) > 0) { char *bn; if (th.type != 1) { skipentry(&th); continue; } bn = strrchr(th.path, '/'); if (!bn || (strcmp(bn + 1, "desc") != 0 && strcmp(bn + 1, "depends") != 0 && strcmp(bn + 1, "files") != 0)) { skipentry(&th); continue; } if ((flags & REPO_EXTEND_SOLVABLES) != 0 && (!strcmp(bn + 1, "desc") || !strcmp(bn + 1, "depends"))) { skipentry(&th); continue; /* skip those when we're extending */ } if (!lastdn || (bn - th.path) != lastdnlen || strncmp(lastdn, th.path, lastdnlen) != 0) { finishsolvable(repo, s); solv_free(lastdn); lastdn = solv_strdup(th.path); lastdnlen = bn - th.path; lastdn[lastdnlen] = 0; if (flags & REPO_EXTEND_SOLVABLES) { s = joinhash_lookup(repo, joinhash, joinhashmask, lastdn); if (!s) { skipentry(&th); continue; } } else s = pool_id2solvable(pool, repo_add_solvable(repo)); } adddata(data, s, &th); } finishsolvable(repo, s); solv_free(joinhash); solv_free(lastdn); if (!(flags & REPO_NO_INTERNALIZE)) repodata_internalize(data); return 0; } int repo_add_arch_local(Repo *repo, const char *dir, int flags) { Pool *pool = repo->pool; Repodata *data; DIR *dp; struct dirent *de; char *entrydir, *file; FILE *fp; Solvable *s; data = repo_add_repodata(repo, flags); if (flags & REPO_USE_ROOTDIR) dir = pool_prepend_rootdir(pool, dir); dp = opendir(dir); if (dp) { while ((de = readdir(dp)) != 0) { if (!de->d_name[0] || de->d_name[0] == '.') continue; entrydir = solv_dupjoin(dir, "/", de->d_name); file = pool_tmpjoin(repo->pool, entrydir, "/desc", 0); s = 0; if ((fp = fopen(file, "r")) != 0) { struct tarhead th; inittarhead(&th, fp); s = pool_id2solvable(pool, repo_add_solvable(repo)); adddata(data, s, &th); freetarhead(&th); fclose(fp); file = pool_tmpjoin(repo->pool, entrydir, "/files", 0); if ((fp = fopen(file, "r")) != 0) { inittarhead(&th, fp); adddata(data, s, &th); freetarhead(&th); fclose(fp); } } solv_free(entrydir); } closedir(dp); } if (!(flags & REPO_NO_INTERNALIZE)) repodata_internalize(data); if (flags & REPO_USE_ROOTDIR) solv_free((char *)dir); return 0; }