#include "sha256.h"
-#if 0
-struct zpm {
- sqlite3 *db;
- char *path; /* path to package file */
- char *version;
- int release;
- char *pkgname;
- time_t installed; /* install time, 0 for not installed */
-};
-
-struct zpm_file {
- char *path;
- int mode;
- uint32_t filetype;
- char *tags;
- char *owner;
- char *group;
- char *hash; /* could be fixed length */
- time_t mtime;
- struct zpm_file *next; /* so you can make a linked list */
-};
-
-/* NULL? Create? */
-/* associate with a package ? if only one? first? */
-int zpm_open(struct zpm *pkg, char *path);
-int zpm_pkgname(char *base, char *version, int release); /* construct a package file name */
-
-/* flags for preserving mode, owner, etc */
-/* puts hash of import in hash */
-/* path can be a hash, with an "INTERNAL" flag, i.e. internally import */
-#define ZPM_MODE 0x1
-#define ZPM_OWNER 0x2
-#define ZPM_MTIME 0x4
-#define ZPM_INTERNAL 0x8
-#define ZPM_NOBLOB 0x10
-/* don't run scripts on install */
-#define ZPM_NOSCRIPTS 0x10
-/* don't associate the file with a package, just do a raw insert */
-/* otherwise, associate it with the current package */
-#define ZPM_NOPACKAGE 0x20
-
-int zpm_import(struct zpm *zp, char *path, uint32_t flags, uint8_t *hash);
-
-/* link and unlink hashes to packages */
-int zpm_link(struct zpm *pkg, char *path, char *hash, struct zpm_file *fileinfo);
-int zpm_unlink(struct zpm *pkg, char *path);
-
-/* tag a file. relative to "current package" */
-int zpm_tag(struct zpm *zp, char *path, char *tags);
-/* should this be broken up into separage functions ? */
-int zpm_md(struct zpm *zp, char *path, int mode, char *owner, char *group, time_t mtime);
-
-/* export hash to dest */
-int zpm_extract(struct zpm *pkg, char *hash, char *path, int mode);
-
-/* export path to dest */
-int zpm_export(struct zpm *zp, char *path, uint32_t flags, char *dest);
-
-int zpm_close(struct zpm *zp);
-
-/* attach a signature to a package */
-int zpm_sign(struct zpm *z, size_t s, void *signature);
-
-/* set the package info to the nth package, -1 to return count? */
-/* further import/exports and such will be relative to this package */
-int zpm_package(struct zpm *zp, int n);
-
-/* get file information */
-int zpm_stat(struct zpm *z, struct zpm_file *f, int n);
-
-/* will also set the package context to the new package */
-int zpm_newpkg(struct zpm *z, char *base, char *version, int release);
-
-/* transactions */
-int zpm_begin(struct zpm *z);
-int zpm_commit(struct zpm *z);
-int zpm_rollback(struct zpm *z);
-
-/* higher level operations */
-
-/* install or uninstall the package */
-/* flag for keeping the blobs in local */
-/* what about tag filtering */
-int zpm_install(struct zpm *z, struct zpm *local, uint32_t flags);
-int zpm_uninstall(struct zpm *local);
-
-/* slurp up the actual blobs */
-/* what about versioning them if they change */
-int zpm_preserve(struct zpm *local);
-
-/* check file integrity */
-int zpm_checkinstall(struct zpm *local);
-
-int zpm_merge(struct zpm *z, struct zpm *src, uint32_t flags);
-
-void uncompresslzma(void *buf, size_t bufsize, FILE *out);
-#define SQLERROR(x) fprintf(stderr, "%s %d: %s\n", __func__, __LINE__, (x))
-#endif
-
-#if 0
-int zpm_newpkg(struct zpm *z, char *base, char *version, int release) {
- char *sql = "insert or ignore into packages (package,version,release) values (?,?,?)";
- int rc;
- sqlite3_stmt *ifile;
-
- rc = sqlite3_prepare(db, sql, -1, &ifile,0);
- if (rc != SQLITE_OK) {
- SQLERROR(sqlite3_errmsg(db));
- return 0;
- }
- rc = sqlite3_bind_text(ifile, 1, base, strlen(base), SQLITE_STATIC);
- if (rc != SQLITE_OK) {
- SQLERROR(sqlite3_errmsg(db));
- fprintf(stderr, "cant bind package name\n");
- zpm_rollback(pkg);
- return 0;
- }
- sqlite3_bind_text(ifile, 2, version, strlen(version), SQLITE_STATIC);
- sqlite3_bind_int(ifile, 3, release)
-
- rc = sqlite3_step(ifile);
-
- if (rc != SQLITE_DONE) {
- SQLERROR(sqlite3_errmsg(db));
- sqlite3_finalize(ifile);
- return 0;
- }
- sqlite3_finalize(ifile);
- z->pkg = dupstr(base);
- z->version = dupstr(version);
- z->release = release;
-}
-#endif
-
int zpm_begin(struct zpm *z) {
char *errstr = 0;
sqlite3_exec(z->db, "begin;", NULL, NULL, &errstr);
);
}
-int zpm_extract(struct zpm *pkg, char *hash, char *path, int mode) {
+int zpm_extract(struct zpm *pkg, char *hash, char *path, mode_t mode) {
int rc;
-
int blobsize;
- //int64_t size;
void *xzdata;
int type;
- FILE *out;
+ int out;
sqlite3_stmt *ifile;
+ size_t len;
+ char *tmpfile = 0;
+ sqlite3 *db;
- /* TODO check null */
- sqlite3 *db = pkg->db;
+ if (!pkg || !pkg->db) {
+ return 0;
+ }
+ db = pkg->db;
rc = sqlite3_prepare(db, "select size, content from files where hash = ?", -1, &ifile,0);
if (rc != SQLITE_OK) {
blobsize = sqlite3_column_bytes(ifile, 1);
if (strcmp(path, "-")) {
- out = fopen(path, "w");
+ len = strlen(path);
+ tmpfile = malloc(len+8+1);
+ if (!tmpfile) {
+ fprintf(stderr, "malloc error\n");
+ return 0;
+ }
+ sprintf(tmpfile, "%sXXXXXX", path);
+
+ out = open(tmpfile, O_CREAT|O_WRONLY|O_TRUNC, 0600);
+ if (out == -1) {
+ fprintf(stderr, "can't open output file %s: %s\n",
+ tmpfile, strerror(errno));
+ sqlite3_finalize(ifile);
+ sqlite3_close(db);
+ return 0;
+ }
} else {
- out = stdout;
- }
- if (!out) {
- fprintf(stderr, "can't open output file %s\n", path);
- sqlite3_finalize(ifile);
- sqlite3_close(db);
- return 0;
+ out = 1;
}
- //fwrite(xzdata, blobsize, 1, stdout);
- //fprintf(stderr, "uncompressing %d bytes at %p, expect %lld\n", blobsize, xzdata, (long long int)size);
+#if 0
+ fprintf(stderr, "uncompressing %d bytes at %p, expect %lld\n", blobsize, xzdata, (long long int)size);
+#endif
uncompresslzma(xzdata, blobsize, out);
- fclose(out);
- chmod(path, mode);
-
+ close(out);
sqlite3_finalize(ifile);
- return 1;
+ rc = 1;
+ if (tmpfile) {
+ if (chmod(tmpfile, mode) == -1) {
+ fprintf(stderr, "can't chmod %s: %s\n", tmpfile,
+ strerror(errno));
+ rc = 0;
+ } else if (rename(tmpfile, path) == -1) {
+ fprintf(stderr, "extract rename failed: %s\n",
+ strerror(errno));
+ rc = 0;
+ }
+ }
+
+ if (rc == 0 && tmpfile) {
+ if (unlink(tmpfile) == -1) {
+ fprintf(stderr, "unlink tmpfile %s fail: %s\n",
+ tmpfile,
+ strerror(errno));
+ }
+ }
+
+ return rc;
}
static int run_for_hash(sqlite3 *db, char *sql, char *hash) {