1 #define _POSIX_C_SOURCE 200809L
21 char *path; /* path to package file */
25 time_t installed; /* install time, 0 for not installed */
35 char *hash; /* could be fixed length */
37 struct zpm_file *next; /* so you can make a linked list */
41 /* associate with a package ? if only one? first? */
42 int zpm_open(struct zpm *pkg, char *path);
43 int zpm_pkgname(char *base, char *version, int release); /* construct a package file name */
45 /* flags for preserving mode, owner, etc */
46 /* puts hash of import in hash */
47 /* path can be a hash, with an "INTERNAL" flag, i.e. internally import */
51 #define ZPM_INTERNAL 0x8
52 #define ZPM_NOBLOB 0x10
53 /* don't run scripts on install */
54 #define ZPM_NOSCRIPTS 0x10
55 /* don't associate the file with a package, just do a raw insert */
56 /* otherwise, associate it with the current package */
57 #define ZPM_NOPACKAGE 0x20
59 int zpm_import(struct zpm *zp, char *path, uint32_t flags, uint8_t *hash);
61 /* link and unlink hashes to packages */
62 int zpm_link(struct zpm *pkg, char *path, char *hash, struct zpm_file *fileinfo);
63 int zpm_unlink(struct zpm *pkg, char *path);
65 /* tag a file. relative to "current package" */
66 int zpm_tag(struct zpm *zp, char *path, char *tags);
67 /* should this be broken up into separage functions ? */
68 int zpm_md(struct zpm *zp, char *path, int mode, char *owner, char *group, time_t mtime);
70 /* export hash to dest */
71 int zpm_extract(struct zpm *pkg, char *hash, char *path, int mode);
73 /* export path to dest */
74 int zpm_export(struct zpm *zp, char *path, uint32_t flags, char *dest);
76 int zpm_close(struct zpm *zp);
78 /* attach a signature to a package */
79 int zpm_sign(struct zpm *z, size_t s, void *signature);
81 /* set the package info to the nth package, -1 to return count? */
82 /* further import/exports and such will be relative to this package */
83 int zpm_package(struct zpm *zp, int n);
85 /* get file information */
86 int zpm_stat(struct zpm *z, struct zpm_file *f, int n);
88 /* will also set the package context to the new package */
89 int zpm_newpkg(struct zpm *z, char *base, char *version, int release);
92 int zpm_begin(struct zpm *z);
93 int zpm_commit(struct zpm *z);
94 int zpm_rollback(struct zpm *z);
96 /* higher level operations */
98 /* install or uninstall the package */
99 /* flag for keeping the blobs in local */
100 /* what about tag filtering */
101 int zpm_install(struct zpm *z, struct zpm *local, uint32_t flags);
102 int zpm_uninstall(struct zpm *local);
104 /* slurp up the actual blobs */
105 /* what about versioning them if they change */
106 int zpm_preserve(struct zpm *local);
108 /* check file integrity */
109 int zpm_checkinstall(struct zpm *local);
111 int zpm_merge(struct zpm *z, struct zpm *src, uint32_t flags);
113 void uncompresslzma(void *buf, size_t bufsize, FILE *out);
114 #define SQLERROR(x) fprintf(stderr, "%s %d: %s\n", __func__, __LINE__, (x))
117 static char *dupstr(char *s) {
130 int zpm_newpkg(struct zpm *z, char *base, char *version, int release) {
131 char *sql = "insert or ignore into packages (package,version,release) values (?,?,?)";
135 rc = sqlite3_prepare(db, sql, -1, &ifile,0);
136 if (rc != SQLITE_OK) {
137 SQLERROR(sqlite3_errmsg(db));
140 rc = sqlite3_bind_text(ifile, 1, base, strlen(base), SQLITE_STATIC);
141 if (rc != SQLITE_OK) {
142 SQLERROR(sqlite3_errmsg(db));
143 fprintf(stderr, "cant bind package name\n");
147 sqlite3_bind_text(ifile, 2, version, strlen(version), SQLITE_STATIC);
148 sqlite3_bind_int(ifile, 3, release)
150 rc = sqlite3_step(ifile);
152 if (rc != SQLITE_DONE) {
153 SQLERROR(sqlite3_errmsg(db));
154 sqlite3_finalize(ifile);
157 sqlite3_finalize(ifile);
158 z->pkg = dupstr(base);
159 z->version = dupstr(version);
160 z->release = release;
164 int zpm_begin(struct zpm *z) {
166 sqlite3_exec(z->db, "begin;", NULL, NULL, &errstr);
168 fprintf(stderr, "sqlite begin error: %s\n", errstr);
169 sqlite3_free(errstr);
175 int zpm_commit(struct zpm *z) {
177 sqlite3_exec(z->db, "commit;", NULL, NULL, &errstr);
179 fprintf(stderr, "sqlite commit error: %s\n", errstr);
180 sqlite3_free(errstr);
186 /* wrapper for sqlite3_exec */
187 int zpm_exec(struct zpm *z, const char *sql, int(*callback)(void *, int, char **, char**), void *arg, char **errmsg) {
188 return sqlite3_exec(z->db, sql, callback, arg, errmsg);
191 int zpm_rollback(struct zpm *z) {
193 sqlite3_exec(z->db, "rollback;", NULL, NULL, &errstr);
195 fprintf(stderr, "sqlite rollback error: %s\n", errstr);
196 sqlite3_free(errstr);
202 int zpm_db_set_pragma(struct zpm *db, int pragma, int value) {
208 case 1: sql = "pragma application_id = ?;"; break;
209 case 2: sql = "pragma user_version = ?;"; break;
210 default: return -1; break;
213 rc = sqlite3_prepare_v2(db->db, sql, -1, &s, 0);
215 if (rc != SQLITE_OK) {
216 SQLERROR(sqlite3_errmsg(db->db));
220 sqlite3_bind_int(s, 1, value);
221 if (rc != SQLITE_OK) {
222 SQLERROR(sqlite3_errmsg(db->db));
223 fprintf(stderr, "cant bind pragma value\n");
227 rc = sqlite3_step(s);
228 if (rc != SQLITE_DONE) {
229 SQLERROR(sqlite3_errmsg(db->db));
230 fprintf(stderr, "cant set pragma\n");
239 int zpm_db_pragma(struct zpm *db, int pragma) {
246 case 1: sql = "pragma application_id;"; break;
247 case 2: sql = "pragma user_version;"; break;
248 default: return -1; break;
251 rc = sqlite3_prepare_v2(db->db, sql, -1, &s, 0);
253 if (rc != SQLITE_OK) {
254 SQLERROR(sqlite3_errmsg(db->db));
255 fprintf(stderr, "%s, errnum = %d\n", sqlite3_errmsg(db->db), rc);
256 /* TODO just abort? */
260 rc = sqlite3_step(s);
261 if (rc == SQLITE_ROW) {
262 value = sqlite3_column_int(s, 0);
272 int zpm_db_initialize(struct zpm *pkg) {
273 //fprintf(stderr, "initializing zpm database\n");
275 switch (sqlite3_exec(pkg->db, createdb, (int (*)(void *,int,char **,char **))0, NULL, &error)) {
276 case SQLITE_OK: break;
278 SQLERROR(sqlite3_errmsg(pkg->db));
279 fprintf(stderr, "error: %s\n", error);
288 int zpm_open(struct zpm *pkg, char *path) {
296 pkg->current_package = 0;
300 rc = sqlite3_open_v2(path, &db, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
302 SQLERROR(sqlite3_errmsg(db));
307 pkg->path = dupstr(path);
309 appid = zpm_db_pragma(pkg, 1);
310 dbver = zpm_db_pragma(pkg, 2);
312 //fprintf(stderr, "db appid = %x, dbver = %d\n", appid, dbver);
314 case 0: if (!zpm_db_initialize(pkg)) {
319 case 0x5a504442: break;
321 fprintf(stderr, "unknown database type\n");
327 fprintf(stderr, "version %d zpm db detected, this program only works with version 1 databases\n", dbver);
332 sqlite3_exec(pkg->db, "pragma foreign_keys = ON;", NULL, NULL, &errstr);
334 fprintf(stderr, "sqlite foreign key error: %s\n", errstr);
335 sqlite3_free(errstr);
341 /* TODO if this is a new database, create structures */
343 /* get a package. what if more than one? what if none? */
347 int zpm_close(struct zpm *pkg) {
349 sqlite3_close(pkg->db);
352 /* TODO free any malloced names and such */
356 static int zpm_sqlite_vercmp(void *not_used, int lena, const void *a,
357 int lenb, const void *b) {
358 /* not sure what the ints are, possibly string lengths */
359 if (not_used != 0) fprintf(stderr, "sqlite vercmp not_used = %p\n",
361 if (lena == 0 && lenb > 0) return 1;
362 return zpm_vercmp(a, b);
365 int zpm_addvercmp(struct zpm *pkg) {
366 return sqlite3_create_collation(
367 pkg->db, "vercmp", SQLITE_UTF8, NULL,
372 /* set package struct variables, database, environment, then command line */
373 int zpm_readopts(struct zpm *zpm, int ac, char **av) {
375 struct zpm_package *pkg;
381 pkg = zpm->current_package;
384 ev = getenv("ZPMPACKAGE");
386 pkg->name = dupstr(ev);
388 ev = getenv("ZPMPKGREL");
390 pkg->release = strtol(ev, 0, 0);
392 ev = getenv("ZPMPKGVER");
394 pkg->version = dupstr(ev);
398 /* now, parse the options, return optind so the caller can adjust if needed */
403 int zpm_extract(struct zpm *pkg, char *hash, char *path, int mode) {
413 /* TODO check null */
414 sqlite3 *db = pkg->db;
416 rc = sqlite3_prepare(db, "select size, content from files where hash = ?", -1, &ifile,0);
417 if (rc != SQLITE_OK) {
418 SQLERROR(sqlite3_errmsg(db));
424 sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
426 rc = sqlite3_step(ifile);
428 if (rc == SQLITE_DONE) {
429 /* didn't find a row */
430 sqlite3_finalize(ifile);
432 fprintf(stderr, "no such hash: %s\n", hash);
435 /* either way we're done with this now */
437 if (rc != SQLITE_ROW) {
438 SQLERROR(sqlite3_errmsg(db));
439 sqlite3_finalize(ifile);
444 type = sqlite3_column_type(ifile, 0);
445 if (type == SQLITE_NULL) {
446 fprintf(stderr, "no file size\n");
447 sqlite3_finalize(ifile);
451 type = sqlite3_column_type(ifile, 1);
452 if (type == SQLITE_NULL) {
453 fprintf(stderr, "no file data\n");
454 sqlite3_finalize(ifile);
458 //size = sqlite3_column_int64(ifile, 0);
459 xzdata = (void *)sqlite3_column_blob(ifile, 1);
460 blobsize = sqlite3_column_bytes(ifile, 1);
462 if (strcmp(path, "-")) {
463 out = fopen(path, "w");
468 fprintf(stderr, "can't open output file %s\n", path);
469 sqlite3_finalize(ifile);
473 //fwrite(xzdata, blobsize, 1, stdout);
475 //fprintf(stderr, "uncompressing %d bytes at %p, expect %lld\n", blobsize, xzdata, (long long int)size);
476 uncompresslzma(xzdata, blobsize, out);
480 sqlite3_finalize(ifile);
485 static sqlite3_stmt *run_for_hash(sqlite3 *db, char *sql, char *hash) {
489 rc = sqlite3_prepare_v2(db, sql, -1, &ifile, 0);
490 if (rc != SQLITE_OK) {
491 SQLERROR(sqlite3_errmsg(db));
497 sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
502 static int set_elf_info(sqlite3 *db, char *hash, char *content, size_t length) {
503 if (length >= sizeof (Elf64_Ehdr) && libelf_iself(content)) {
512 /* go ahead and set up elf information now */
513 /* clear existing for this hash */
514 ifile = run_for_hash(db, "delete from elfinfo where file = ?", hash);
516 rc = sqlite3_step(ifile);
518 if (rc == SQLITE_ROW) {
520 fprintf(stderr, "delete row has %d columns: ", sqlite3_column_count(ifile));
521 nc = sqlite3_column_count(ifile);
522 for (i = 0; i < nc; i++) {
524 r = sqlite3_column_text(ifile, i);
525 fprintf(stderr, ", %s", r);
527 fprintf(stderr, "\n");
530 } while (rc == SQLITE_ROW);
531 if (rc != SQLITE_DONE) {
532 SQLERROR(sqlite3_errmsg(db));
533 sqlite3_finalize(ifile);
534 fprintf(stderr, "error clearing elf info: %d\n", rc);
537 sqlite3_finalize(ifile);
538 ifile = run_for_hash(db, "delete from elflibraries where file = ?", hash);
540 rc = sqlite3_step(ifile);
541 } while (rc == SQLITE_ROW);
542 if (rc != SQLITE_DONE) {
543 SQLERROR(sqlite3_errmsg(db));
544 sqlite3_finalize(ifile);
545 fprintf(stderr, "error clearing elf library: %d\n", rc);
548 sqlite3_finalize(ifile);
549 ifile = run_for_hash(db, "delete from elfneeded where file = ?", hash);
551 rc = sqlite3_step(ifile);
552 } while (rc == SQLITE_ROW);
553 if (rc != SQLITE_DONE) {
554 SQLERROR(sqlite3_errmsg(db));
555 sqlite3_finalize(ifile);
556 fprintf(stderr, "error clearing elf needed\n");
559 sqlite3_finalize(ifile);
561 hdr = libelf_header(content);
562 /* if lib, set soname */
563 if (libelf_type(content) == ET_DYN) {
564 char *soname = libelf_soname(content);
567 sqlite3_prepare_v2(db, "insert into elflibraries (file,soname) values (?,?)",-1, &ifile, 0);
568 sqlite3_bind_text(ifile,1,hash,64,SQLITE_STATIC);
569 sqlite3_bind_text(ifile,2,soname,-1,SQLITE_STATIC);
570 rc = sqlite3_step(ifile);
571 if (rc != SQLITE_DONE) {
572 SQLERROR(sqlite3_errmsg(db));
573 sqlite3_finalize(ifile);
574 fprintf(stderr, "error setting library soname\n");
577 sqlite3_finalize(ifile);
579 fprintf(stderr, "can't find soname\n");
583 /* if exe, set neededs */
584 if (libelf_type(content) == ET_EXEC) {
588 elf = (char *)content;
589 /* find program header table */
590 for (i = 0; i < hdr->e_phnum; i++) {
591 phdr = (Elf64_Phdr *)(elf + hdr->e_phoff + i * hdr->e_phentsize);
592 if (phdr->p_type == PT_DYNAMIC) {
593 dsect = (Elf64_Shdr *)(elf + phdr->p_offset);
596 dyn = (Elf64_Dyn *)(elf + dsect->sh_offset);
600 dyn = (Elf64_Dyn *)dsect;
602 dsect = libelf_section(elf, SHT_DYNAMIC);
605 strsect = libelf_section_n(elf, dsect->sh_link);
606 strtab = elf + strsect->sh_offset;
608 sqlite3_prepare_v2(db, "insert into elfneeded (file,needed) values (?,?)",-1, &ifile, 0);
609 sqlite3_bind_text(ifile,1,hash,64,SQLITE_STATIC);
610 while (dyn->d_tag != DT_NULL) {
611 if (dyn->d_tag == DT_NEEDED) {
615 need = strtab + dyn->d_un.d_val;
616 if (strlen(need) == 0) continue;
617 sqlite3_bind_text(ifile,2,need,strlen(need),SQLITE_STATIC);
619 fprintf(stderr, "%s needs %s\n", hash, need);
621 rc = sqlite3_step(ifile);
622 if (rc != SQLITE_DONE) {
623 SQLERROR(sqlite3_errmsg(db));
624 sqlite3_finalize(ifile);
625 fprintf(stderr, "error setting needed library\n");
628 sqlite3_reset(ifile);
632 sqlite3_finalize(ifile);
639 int zpm_import(struct zpm *zpm, char *path, uint32_t flags, char *hash) {
643 unsigned char tmp[32];
644 struct sha256_state md;
646 int haverow = 0,havedata = 0;
654 if (!zpm || !zpm->db || !path) {
658 /* use local if caller didn't pass in room */
664 fprintf(stderr, "zpm_import unused flags = %d\n", flags);
667 fd = open(path, O_RDONLY);
670 fprintf(stderr, "%s can't open %s: %s\n", __FUNCTION__, path,strerror(errno));
673 if (fstat(fd, &sbuf) == -1) {
675 fprintf(stderr, "%s can't fstat %s: %s\n", __FUNCTION__, path,strerror(errno));
678 /* not a regular file? */
679 if (!S_ISREG(sbuf.st_mode)) {
681 switch (sbuf.st_mode & S_IFMT) {
682 case S_IFSOCK: ftype = "socket"; break;
683 case S_IFLNK : ftype = "symlink"; break;
684 case S_IFBLK : ftype = "block device"; break;
685 case S_IFDIR : ftype = "directory"; break;
686 case S_IFCHR : ftype = "character device"; break;
687 case S_IFIFO : ftype = "fifo"; break;
688 default: ftype = "unknown file type"; break;
690 /* TODO this is ok, just stored differently */
691 fprintf(stderr, "%s can't import %s file: %s\n", __FUNCTION__, ftype, path);
696 content = mmap(0, sbuf.st_size, PROT_READ,MAP_PRIVATE, fd, 0);
700 fprintf(stderr, "%s can't mmap %s: %s\n", __FUNCTION__, path,strerror(errno));
706 sha256_process(&md, content, sbuf.st_size);
707 sha256_done(&md, tmp);
709 sprintf(hash+j*2, "%02x", (unsigned)tmp[j]);
712 //fprintf(stderr, "file %s: %s\n", path, hash);
714 /* TODO check null */
715 sqlite3 *db = zpm->db;
717 /* prepare and bind */
719 rc = sqlite3_prepare_v2(db, "select size, content is not null from files where hash = ?", -1, &ifile,0);
720 if (rc != SQLITE_OK) {
721 SQLERROR(sqlite3_errmsg(db));
722 munmap(content, sbuf.st_size);
728 sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
730 rc = sqlite3_step(ifile);
732 if (rc != SQLITE_DONE) {
733 if (rc != SQLITE_ROW) {
734 /* didn't find a row */
735 SQLERROR(sqlite3_errmsg(db));
737 munmap(content, sbuf.st_size);
741 // fprintf(stderr, "have row for hash\n");
742 type = sqlite3_column_type(ifile, 0);
743 if (type == SQLITE_NULL) {
744 /* TODO assert, this shouldn't be possible? */
745 fprintf(stderr, "no file size\n");
746 sqlite3_finalize(ifile);
747 munmap(content, sbuf.st_size);
750 type = sqlite3_column_type(ifile, 1);
751 if (type == SQLITE_NULL) {
752 /* TODO assert, this shouldn't be possible? */
753 fprintf(stderr, "no file data\n");
754 sqlite3_finalize(ifile);
755 munmap(content, sbuf.st_size);
757 /* which is fine, just need to update the row then */
759 havedata = sqlite3_column_int(ifile, 1);
762 sqlite3_finalize(ifile);
766 outbuf = compresslzma(content, sbuf.st_size, &outlen);
768 fprintf(stderr, "compresslzma failed\n");
769 munmap(content, sbuf.st_size);
772 //fprintf(stderr, "compressed to %zu\n", outlen);
774 /* start a transaction */
775 // do that outside of here
780 //fprintf(stderr, "adding file data\n");
781 rc = sqlite3_prepare(db, "update files set size = ?, content = ? where hash = ?", -1, &ifile,0);
783 //fprintf(stderr, "creating new data row\n");
784 rc = sqlite3_prepare(db, "insert into files (size, content, hash) values (?,?,?)", -1, &ifile,0);
786 if (rc != SQLITE_OK) {
787 SQLERROR(sqlite3_errmsg(db));
788 fprintf(stderr, "cant prepare data\n");
790 munmap(content, sbuf.st_size);
794 sqlite3_bind_int64(ifile, 1, (sqlite3_int64)sbuf.st_size);
795 if (rc != SQLITE_OK) {
796 SQLERROR(sqlite3_errmsg(db));
797 fprintf(stderr, "cant bind size\n");
799 munmap(content, sbuf.st_size);
802 sqlite3_bind_blob64(ifile, 2, outbuf, (sqlite3_int64)outlen, SQLITE_STATIC);
803 if (rc != SQLITE_OK) {
804 SQLERROR(sqlite3_errmsg(db));
805 fprintf(stderr, "cant bind content\n");
807 munmap(content, sbuf.st_size);
810 sqlite3_bind_text(ifile, 3, hash, 64, SQLITE_STATIC);
811 if (rc != SQLITE_OK) {
812 SQLERROR(sqlite3_errmsg(db));
813 fprintf(stderr, "cant bind hash\n");
815 munmap(content, sbuf.st_size);
818 rc = sqlite3_step(ifile);
819 if (rc != SQLITE_DONE) {
820 SQLERROR(sqlite3_errmsg(db));
821 sqlite3_finalize(ifile);
823 munmap(content, sbuf.st_size);
826 sqlite3_finalize(ifile);
831 /* don't need the original file now */
835 if (!set_elf_info(zpm->db, hash, content, sbuf.st_size)) {
836 fprintf(stderr, "setting elf info failed\n");
837 munmap(content, sbuf.st_size);
841 munmap(content, sbuf.st_size);
843 /* if package and not nopackage flag, add to package */
844 if (zpm->current_package->name && (!ZPM_NOPACKAGE)) {
854 int main(int ac, char **av){
869 fprintf(stderr, "usage: db hash file\n");
873 rc = sqlite3_open(av[1], &db);
875 SQLERROR(sqlite3_errmsg(db));
884 Packages are sqlite databases
886 get application id and userver
888 Primitive operations:
891 associate path with package
892 associate blob with path?
894 * extract blob to a path
895 compare blob to filesystem path
896 create package with info
900 record elf information about blob
903 sign a package? What are we verifying?