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))
118 int zpm_newpkg(struct zpm *z, char *base, char *version, int release) {
119 char *sql = "insert or ignore into packages (package,version,release) values (?,?,?)";
123 rc = sqlite3_prepare(db, sql, -1, &ifile,0);
124 if (rc != SQLITE_OK) {
125 SQLERROR(sqlite3_errmsg(db));
128 rc = sqlite3_bind_text(ifile, 1, base, strlen(base), SQLITE_STATIC);
129 if (rc != SQLITE_OK) {
130 SQLERROR(sqlite3_errmsg(db));
131 fprintf(stderr, "cant bind package name\n");
135 sqlite3_bind_text(ifile, 2, version, strlen(version), SQLITE_STATIC);
136 sqlite3_bind_int(ifile, 3, release)
138 rc = sqlite3_step(ifile);
140 if (rc != SQLITE_DONE) {
141 SQLERROR(sqlite3_errmsg(db));
142 sqlite3_finalize(ifile);
145 sqlite3_finalize(ifile);
146 z->pkg = dupstr(base);
147 z->version = dupstr(version);
148 z->release = release;
152 int zpm_begin(struct zpm *z) {
154 sqlite3_exec(z->db, "begin;", NULL, NULL, &errstr);
156 fprintf(stderr, "sqlite begin error: %s\n", errstr);
157 sqlite3_free(errstr);
163 int zpm_commit(struct zpm *z) {
165 sqlite3_exec(z->db, "commit;", NULL, NULL, &errstr);
167 fprintf(stderr, "sqlite commit error: %s\n", errstr);
168 sqlite3_free(errstr);
174 /* wrapper for sqlite3_exec */
175 int zpm_exec(struct zpm *z, const char *sql, int(*callback)(void *, int, char **, char**), void *arg, char **errmsg) {
176 return sqlite3_exec(z->db, sql, callback, arg, errmsg);
179 int zpm_rollback(struct zpm *z) {
181 sqlite3_exec(z->db, "rollback;", NULL, NULL, &errstr);
183 fprintf(stderr, "sqlite rollback error: %s\n", errstr);
184 sqlite3_free(errstr);
190 int zpm_db_set_pragma(struct zpm *db, int pragma, int value) {
196 case 1: sql = "pragma application_id = ?;"; break;
197 case 2: sql = "pragma user_version = ?;"; break;
198 default: return -1; break;
201 rc = sqlite3_prepare_v2(db->db, sql, -1, &s, 0);
203 if (rc != SQLITE_OK) {
204 SQLERROR(sqlite3_errmsg(db->db));
208 sqlite3_bind_int(s, 1, value);
209 if (rc != SQLITE_OK) {
210 SQLERROR(sqlite3_errmsg(db->db));
211 fprintf(stderr, "cant bind pragma value\n");
215 rc = sqlite3_step(s);
216 if (rc != SQLITE_DONE) {
217 SQLERROR(sqlite3_errmsg(db->db));
218 fprintf(stderr, "cant set pragma\n");
227 int zpm_db_pragma(struct zpm *db, int pragma) {
234 case 1: sql = "pragma application_id;"; break;
235 case 2: sql = "pragma user_version;"; break;
236 default: return -1; break;
239 rc = sqlite3_prepare_v2(db->db, sql, -1, &s, 0);
241 if (rc != SQLITE_OK) {
242 SQLERROR(sqlite3_errmsg(db->db));
243 fprintf(stderr, "%s, errnum = %d\n", sqlite3_errmsg(db->db), rc);
244 /* TODO just abort? */
248 rc = sqlite3_step(s);
249 if (rc == SQLITE_ROW) {
250 value = sqlite3_column_int(s, 0);
260 int zpm_db_initialize(struct zpm *pkg) {
261 //fprintf(stderr, "initializing zpm database\n");
263 switch (sqlite3_exec(pkg->db, createdb, (int (*)(void *,int,char **,char **))0, NULL, &error)) {
264 case SQLITE_OK: break;
266 SQLERROR(sqlite3_errmsg(pkg->db));
267 fprintf(stderr, "error: %s\n", error);
276 /* assumes pkg->db is set */
277 static int setupdb(struct zpm *zpm) {
283 appid = zpm_db_pragma(zpm, 1);
284 dbver = zpm_db_pragma(zpm, 2);
286 if (appid != 0x5a504442) {
287 fprintf(stderr, "unknown database type\n");
293 fprintf(stderr, "version %d zpm db detected, this program only works with version 1 databases\n", dbver);
298 sqlite3_exec(zpm->db, "pragma foreign_keys = ON;", NULL, NULL, &errstr);
302 zpm->errmsg = strdup(errstr);
303 fprintf(stderr, "sqlite foreign key error: %s\n", errstr);
304 sqlite3_free(errstr);
309 /* TODO add vercmp */
314 struct zpm *zpm_clearmem(struct zpm *zpm) {
316 zpm = malloc(sizeof *zpm);
320 *zpm = (struct zpm){0};
326 int zpm_init(struct zpm *pkg, char *path) {
333 rc = sqlite3_open_v2(path, &db, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
335 SQLERROR(sqlite3_errmsg(db));
340 pkg->path = strdup(path);
342 appid = zpm_db_pragma(pkg, 1);
345 case 0: if (!zpm_db_initialize(pkg)) {
351 /* already initialized */
354 fprintf(stderr, "unknown database type\n");
370 int zpm_open(struct zpm *zpm, char *path) {
376 rc = sqlite3_open_v2(path, &db, SQLITE_OPEN_READWRITE, NULL);
378 SQLERROR(sqlite3_errmsg(db));
381 fprintf(stderr, "path = %s\n", path);
385 zpm->path = strdup(path);
398 int zpm_close(struct zpm *pkg) {
400 sqlite3_close(pkg->db);
403 /* TODO free any malloced names and such */
407 static int zpm_sqlite_vercmp(void *not_used, int lena, const void *a,
408 int lenb, const void *b) {
409 /* not sure what the ints are, possibly string lengths */
410 if (not_used != 0) fprintf(stderr, "sqlite vercmp not_used = %p\n",
412 if (lena == 0 && lenb > 0) return 1;
413 return zpm_vercmp(a, b);
416 int zpm_addvercmp(struct zpm *pkg) {
417 return sqlite3_create_collation(
418 pkg->db, "vercmp", SQLITE_UTF8, NULL,
423 int zpm_extract(struct zpm *pkg, char *hash, char *path, int mode) {
433 /* TODO check null */
434 sqlite3 *db = pkg->db;
436 rc = sqlite3_prepare(db, "select size, content from files where hash = ?", -1, &ifile,0);
437 if (rc != SQLITE_OK) {
438 SQLERROR(sqlite3_errmsg(db));
444 sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
446 rc = sqlite3_step(ifile);
448 if (rc == SQLITE_DONE) {
449 /* didn't find a row */
450 sqlite3_finalize(ifile);
452 fprintf(stderr, "no such hash: %s\n", hash);
455 /* either way we're done with this now */
457 if (rc != SQLITE_ROW) {
458 SQLERROR(sqlite3_errmsg(db));
459 sqlite3_finalize(ifile);
464 type = sqlite3_column_type(ifile, 0);
465 if (type == SQLITE_NULL) {
466 fprintf(stderr, "no file size\n");
467 sqlite3_finalize(ifile);
471 type = sqlite3_column_type(ifile, 1);
472 if (type == SQLITE_NULL) {
473 fprintf(stderr, "no file data\n");
474 sqlite3_finalize(ifile);
478 //size = sqlite3_column_int64(ifile, 0);
479 xzdata = (void *)sqlite3_column_blob(ifile, 1);
480 blobsize = sqlite3_column_bytes(ifile, 1);
482 if (strcmp(path, "-")) {
483 out = fopen(path, "w");
488 fprintf(stderr, "can't open output file %s\n", path);
489 sqlite3_finalize(ifile);
493 //fwrite(xzdata, blobsize, 1, stdout);
495 //fprintf(stderr, "uncompressing %d bytes at %p, expect %lld\n", blobsize, xzdata, (long long int)size);
496 uncompresslzma(xzdata, blobsize, out);
500 sqlite3_finalize(ifile);
505 static int run_for_hash(sqlite3 *db, char *sql, char *hash) {
509 rc = sqlite3_prepare_v2(db, sql, -1, &ifile, 0);
510 if (rc != SQLITE_OK) {
511 SQLERROR(sqlite3_errmsg(db));
517 sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
519 rc = sqlite3_step(ifile);
520 } while (rc == SQLITE_ROW);
522 sqlite3_finalize(ifile);
524 return rc == SQLITE_DONE;
527 #define SQLERP(db, msg) fprintf(stderr, "%s: %s\n", msg, sqlite3_errmsg(db))
529 static int set_elf_info(sqlite3 *db, char *hash, char *content, size_t length) {
530 if (length >= sizeof (Elf64_Ehdr) && libelf_iself(content)) {
539 /* clear existing for this hash */
540 if (!run_for_hash(db, "delete from elfinfo where file = ?", hash)) {
541 SQLERP(db, "error clearing elf info");
545 if (!run_for_hash(db, "delete from elflibraries where file = ?", hash)) {
546 SQLERP(db, "error clearing elf library");
550 if (!run_for_hash(db, "delete from elfneeded where file = ?", hash)) {
551 SQLERP(db, "error clearing elf needed");
555 hdr = libelf_header(content);
556 /* if lib, set soname */
557 if (libelf_type(content) == ET_DYN) {
558 char *soname = libelf_soname(content);
561 sqlite3_prepare_v2(db, "insert into elflibraries (file,soname) values (?,?)",-1, &ifile, 0);
562 sqlite3_bind_text(ifile,1,hash,64,SQLITE_STATIC);
563 sqlite3_bind_text(ifile,2,soname,-1,SQLITE_STATIC);
564 rc = sqlite3_step(ifile);
565 if (rc != SQLITE_DONE) {
566 SQLERROR(sqlite3_errmsg(db));
567 sqlite3_finalize(ifile);
568 fprintf(stderr, "error setting library soname\n");
571 sqlite3_finalize(ifile);
573 fprintf(stderr, "can't find soname\n");
577 /* if exe, set neededs */
578 if (libelf_type(content) == ET_EXEC) {
582 elf = (char *)content;
583 /* find program header table */
584 for (i = 0; i < hdr->e_phnum; i++) {
585 phdr = (Elf64_Phdr *)(elf + hdr->e_phoff + i * hdr->e_phentsize);
586 if (phdr->p_type == PT_DYNAMIC) {
587 dsect = (Elf64_Shdr *)(elf + phdr->p_offset);
590 dyn = (Elf64_Dyn *)(elf + dsect->sh_offset);
594 dyn = (Elf64_Dyn *)dsect;
596 dsect = libelf_section(elf, SHT_DYNAMIC);
599 strsect = libelf_section_n(elf, dsect->sh_link);
600 strtab = elf + strsect->sh_offset;
602 sqlite3_prepare_v2(db, "insert into elfneeded (file,needed) values (?,?)",-1, &ifile, 0);
603 sqlite3_bind_text(ifile,1,hash,64,SQLITE_STATIC);
604 while (dyn->d_tag != DT_NULL) {
605 if (dyn->d_tag == DT_NEEDED) {
609 need = strtab + dyn->d_un.d_val;
610 if (strlen(need) == 0) continue;
611 sqlite3_bind_text(ifile,2,need,strlen(need),SQLITE_STATIC);
613 fprintf(stderr, "%s needs %s\n", hash, need);
615 rc = sqlite3_step(ifile);
616 if (rc != SQLITE_DONE) {
617 SQLERP(db, "error setting needed library");
618 sqlite3_finalize(ifile);
621 sqlite3_reset(ifile);
625 sqlite3_finalize(ifile);
632 int zpm_import(struct zpm *zpm, char *path, uint32_t flags, char *hash) {
636 unsigned char tmp[32];
637 struct sha256_state md;
639 int haverow = 0,havedata = 0;
647 if (!zpm || !zpm->db || !path) {
651 /* use local if caller didn't pass in room */
657 fprintf(stderr, "zpm_import unused flags = %d\n", flags);
660 fd = open(path, O_RDONLY);
663 fprintf(stderr, "%s can't open %s: %s\n", __FUNCTION__, path,strerror(errno));
666 if (fstat(fd, &sbuf) == -1) {
668 fprintf(stderr, "%s can't fstat %s: %s\n", __FUNCTION__, path,strerror(errno));
671 /* not a regular file? */
672 if (!S_ISREG(sbuf.st_mode)) {
674 switch (sbuf.st_mode & S_IFMT) {
675 case S_IFSOCK: ftype = "socket"; break;
676 case S_IFLNK : ftype = "symlink"; break;
677 case S_IFBLK : ftype = "block device"; break;
678 case S_IFDIR : ftype = "directory"; break;
679 case S_IFCHR : ftype = "character device"; break;
680 case S_IFIFO : ftype = "fifo"; break;
681 default: ftype = "unknown file type"; break;
683 /* TODO this is ok, just stored differently */
684 fprintf(stderr, "%s can't import %s file: %s\n", __FUNCTION__, ftype, path);
689 content = mmap(0, sbuf.st_size, PROT_READ,MAP_PRIVATE, fd, 0);
693 fprintf(stderr, "%s can't mmap %s: %s\n", __FUNCTION__, path,strerror(errno));
699 sha256_process(&md, content, sbuf.st_size);
700 sha256_done(&md, tmp);
702 sprintf(hash+j*2, "%02x", (unsigned)tmp[j]);
705 //fprintf(stderr, "file %s: %s\n", path, hash);
707 /* TODO check null */
708 sqlite3 *db = zpm->db;
710 /* prepare and bind */
712 rc = sqlite3_prepare_v2(db, "select size, content is not null from files where hash = ?", -1, &ifile,0);
713 if (rc != SQLITE_OK) {
714 SQLERROR(sqlite3_errmsg(db));
715 munmap(content, sbuf.st_size);
721 sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
723 rc = sqlite3_step(ifile);
725 if (rc != SQLITE_DONE) {
726 if (rc != SQLITE_ROW) {
727 /* didn't find a row */
728 SQLERROR(sqlite3_errmsg(db));
730 munmap(content, sbuf.st_size);
734 // fprintf(stderr, "have row for hash\n");
735 type = sqlite3_column_type(ifile, 0);
736 if (type == SQLITE_NULL) {
737 /* TODO assert, this shouldn't be possible? */
738 fprintf(stderr, "no file size\n");
739 sqlite3_finalize(ifile);
740 munmap(content, sbuf.st_size);
743 type = sqlite3_column_type(ifile, 1);
744 if (type == SQLITE_NULL) {
745 /* TODO assert, this shouldn't be possible? */
746 fprintf(stderr, "no file data\n");
747 sqlite3_finalize(ifile);
748 munmap(content, sbuf.st_size);
750 /* which is fine, just need to update the row then */
752 havedata = sqlite3_column_int(ifile, 1);
755 sqlite3_finalize(ifile);
759 outbuf = compresslzma(content, sbuf.st_size, &outlen);
761 fprintf(stderr, "compresslzma failed\n");
762 munmap(content, sbuf.st_size);
765 //fprintf(stderr, "compressed to %zu\n", outlen);
767 /* start a transaction */
768 // do that outside of here
773 //fprintf(stderr, "adding file data\n");
774 rc = sqlite3_prepare(db, "update files set size = ?, content = ? where hash = ?", -1, &ifile,0);
776 //fprintf(stderr, "creating new data row\n");
777 rc = sqlite3_prepare(db, "insert into files (size, content, hash) values (?,?,?)", -1, &ifile,0);
779 if (rc != SQLITE_OK) {
780 SQLERROR(sqlite3_errmsg(db));
781 fprintf(stderr, "cant prepare data\n");
783 munmap(content, sbuf.st_size);
787 sqlite3_bind_int64(ifile, 1, (sqlite3_int64)sbuf.st_size);
788 if (rc != SQLITE_OK) {
789 SQLERROR(sqlite3_errmsg(db));
790 fprintf(stderr, "cant bind size\n");
792 munmap(content, sbuf.st_size);
795 sqlite3_bind_blob64(ifile, 2, outbuf, (sqlite3_int64)outlen, SQLITE_STATIC);
796 if (rc != SQLITE_OK) {
797 SQLERROR(sqlite3_errmsg(db));
798 fprintf(stderr, "cant bind content\n");
800 munmap(content, sbuf.st_size);
803 sqlite3_bind_text(ifile, 3, hash, 64, SQLITE_STATIC);
804 if (rc != SQLITE_OK) {
805 SQLERROR(sqlite3_errmsg(db));
806 fprintf(stderr, "cant bind hash\n");
808 munmap(content, sbuf.st_size);
811 rc = sqlite3_step(ifile);
812 if (rc != SQLITE_DONE) {
813 SQLERROR(sqlite3_errmsg(db));
814 sqlite3_finalize(ifile);
816 munmap(content, sbuf.st_size);
819 sqlite3_finalize(ifile);
824 /* don't need the original file now */
828 if (!set_elf_info(zpm->db, hash, content, sbuf.st_size)) {
829 fprintf(stderr, "setting elf info failed\n");
830 munmap(content, sbuf.st_size);
834 munmap(content, sbuf.st_size);
836 /* if package and not nopackage flag, add to package */
837 if (zpm->current_package->name && (!ZPM_NOPACKAGE)) {
847 int main(int ac, char **av){
862 fprintf(stderr, "usage: db hash file\n");
866 rc = sqlite3_open(av[1], &db);
868 SQLERROR(sqlite3_errmsg(db));
877 Packages are sqlite databases
879 get application id and userver
881 Primitive operations:
884 associate path with package
885 associate blob with path?
887 * extract blob to a path
888 compare blob to filesystem path
889 create package with info
893 record elf information about blob
896 sign a package? What are we verifying?