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apk-tools
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db: parse new style .PKGINFO

cute-signatures
Timo Teras 2008-11-06 16:58:58 +02:00
parent b380d4f8e0
commit 57154db85d
5 changed files with 131 additions and 56 deletions
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5
src/apk_blob.h
View File

@ -27,10 +27,13 @@ typedef struct apk_blob apk_blob_t;
#define APK_BLOB_PTR_PTR(beg,end) APK_BLOB_PTR_LEN((beg),(end)-(beg)+1)
char *apk_blob_cstr(apk_blob_t str);
int apk_blob_splitstr(apk_blob_t blob, char *split, apk_blob_t *l, apk_blob_t *r);
int apk_blob_splitstr(apk_blob_t blob, const char *split, apk_blob_t *l, apk_blob_t *r);
int apk_blob_rsplit(apk_blob_t blob, char split, apk_blob_t *l, apk_blob_t *r);
unsigned apk_blob_uint(apk_blob_t blob, int base);
int apk_blob_for_each_segment(apk_blob_t blob, const char *split,
int (*cb)(void *ctx, apk_blob_t blob), void *ctx);
int apk_hexdump_parse(apk_blob_t to, apk_blob_t from);
int apk_hexdump_format(int tolen, char *to, apk_blob_t from);

19
src/blob.c
View File

@ -47,7 +47,7 @@ int apk_blob_rsplit(apk_blob_t blob, char split, apk_blob_t *l, apk_blob_t *r)
return 1;
}
int apk_blob_splitstr(apk_blob_t blob, char *split, apk_blob_t *l, apk_blob_t *r)
int apk_blob_splitstr(apk_blob_t blob, const char *split, apk_blob_t *l, apk_blob_t *r)
{
int splitlen = strlen(split);
char *pos = blob.ptr, *end = blob.ptr + blob.len - splitlen + 1;
@ -71,6 +71,23 @@ int apk_blob_splitstr(apk_blob_t blob, char *split, apk_blob_t *l, apk_blob_t *r
}
}
int apk_blob_for_each_segment(apk_blob_t blob, const char *split,
int (*cb)(void *ctx, apk_blob_t blob), void *ctx)
{
apk_blob_t l, r;
int rc;
r = blob;
while (apk_blob_splitstr(r, split, &l, &r)) {
rc = cb(ctx, l);
if (rc != 0)
return rc;
}
if (r.len > 0)
return cb(ctx, r);
return 0;
}
static int dx(int c)
{
if (c >= '0' && c <= '9')

5
src/create.c
View File

@ -15,6 +15,11 @@
static int create_main(int argc, char **argv)
{
if (strcmp(apk_root, "/") == 0) {
apk_error("Will not recreate system root.");
return 1;
}
return apk_db_create(apk_root);
}

4
src/database.c
View File

@ -476,9 +476,9 @@ int apk_db_open(struct apk_database *db, const char *root)
free(db->root);
return -1;
}
apk_db_add_repository(db, apk_repository);
}
if (apk_repository != NULL)
apk_db_add_repository(db, apk_repository);
return apk_db_read_config(db);
}

154
src/package.c
View File

@ -106,6 +106,7 @@ int apk_deps_add(struct apk_dependency_array **depends,
*apk_dependency_array_add(depends) = *dep;
return 0;
}
void apk_deps_parse(struct apk_database *db,
struct apk_dependency_array **depends,
apk_blob_t blob)
@ -171,6 +172,79 @@ struct read_info_ctx {
int has_install;
};
static int add_info(struct apk_database *db, struct apk_package *pkg,
char field, apk_blob_t value)
{
char *str;
switch (field) {
case 'P':
str = apk_blob_cstr(value);
pkg->name = apk_db_get_name(db, str);
free(str);
break;
case 'V':
pkg->version = apk_blob_cstr(value);
break;
case 'T':
pkg->description = apk_blob_cstr(value);
break;
case 'U':
pkg->url = apk_blob_cstr(value);
break;
case 'L':
pkg->license = apk_blob_cstr(value);
break;
case 'D':
apk_deps_parse(db, &pkg->depends, value);
break;
case 'C':
apk_hexdump_parse(APK_BLOB_BUF(pkg->csum), value);
break;
case 'S':
pkg->size = apk_blob_uint(value, 10);
break;
case 'I':
pkg->installed_size = apk_blob_uint(value, 10);
break;
}
return 0;
}
static int read_info_line(void *ctx, apk_blob_t line)
{
static struct {
const char *str;
char field;
} fields[] = {
{ "pkgname", 'P' },
{ "pkgver", 'V' },
{ "pkgdesc", 'T' },
{ "url", 'U' },
{ "size", 'I' },
{ "license", 'L' },
{ "depend", 'D' },
};
struct read_info_ctx *ri = (struct read_info_ctx *) ctx;
apk_blob_t l, r;
int i;
if (line.ptr == NULL || line.len < 1 || line.ptr[0] == '#')
return 0;
if (!apk_blob_splitstr(line, " = ", &l, &r))
return 0;
for (i = 0; i < ARRAY_SIZE(fields); i++) {
if (strncmp(fields[i].str, l.ptr, l.len) == 0) {
add_info(ri->db, ri->pkg, fields[i].field, r);
break;
}
}
return 0;
}
static int read_info_entry(struct apk_archive_entry *ae, void *ctx)
{
struct read_info_ctx *ri = (struct read_info_ctx *) ctx;
@ -180,6 +254,13 @@ static int read_info_entry(struct apk_archive_entry *ae, void *ctx)
apk_blob_t name, version;
char *slash, *str;
if (strcmp(ae->name, ".PKGINFO") == 0) {
apk_blob_t blob = apk_archive_entry_read(ae);
apk_blob_for_each_segment(blob, "\n", read_info_line, ctx);
free(blob.ptr);
return 0;
}
if (strncmp(ae->name, "var/db/apk/", 11) != 0) {
pkg->installed_size += (ae->size + bsize - 1) & ~(bsize - 1);
return 0;
@ -248,14 +329,17 @@ struct apk_package *apk_pkg_read(struct apk_database *db, const char *file)
ctx.db = db;
ctx.pkg->size = st.st_size;
ctx.has_install = 0;
if (apk_parse_tar_gz(fd, read_info_entry, &ctx) != 0) {
if (apk_parse_tar_gz(fd, read_info_entry, &ctx) < 0) {
apk_error("File %s is not an APK archive", file);
pthread_join(tid, NULL);
goto err;
}
pthread_join(tid, NULL);
if (ctx.pkg->name == NULL)
if (ctx.pkg->name == NULL) {
apk_error("File %s is corrupted", file);
goto err;
}
close(fd);
@ -372,71 +456,37 @@ int apk_pkg_run_script(struct apk_package *pkg, int root_fd,
return 0;
}
static int parse_index_line(struct apk_database *db, struct apk_package *pkg,
apk_blob_t blob)
static int parse_index_line(void *ctx, apk_blob_t line)
{
apk_blob_t d;
char *str;
struct read_info_ctx *ri = (struct read_info_ctx *) ctx;
if (blob.len < 2 || blob.ptr[1] != ':')
return -1;
if (line.len < 3 || line.ptr[1] != ':')
return 0;
d = APK_BLOB_PTR_LEN(blob.ptr+2, blob.len-2);
switch (blob.ptr[0]) {
case 'P':
str = apk_blob_cstr(d);
pkg->name = apk_db_get_name(db, str);
free(str);
break;
case 'V':
pkg->version = apk_blob_cstr(d);
break;
case 'T':
pkg->description = apk_blob_cstr(d);
break;
case 'U':
pkg->url = apk_blob_cstr(d);
break;
case 'L':
pkg->license = apk_blob_cstr(d);
break;
case 'D':
apk_deps_parse(db, &pkg->depends, d);
break;
case 'C':
apk_hexdump_parse(APK_BLOB_BUF(pkg->csum), d);
break;
case 'S':
pkg->size = apk_blob_uint(d, 10);
break;
case 'I':
pkg->installed_size = apk_blob_uint(d, 10);
break;
}
add_info(ri->db, ri->pkg, line.ptr[0], APK_BLOB_PTR_LEN(line.ptr+2, line.len-2));
return 0;
}
struct apk_package *apk_pkg_parse_index_entry(struct apk_database *db, apk_blob_t blob)
{
struct apk_package *pkg;
apk_blob_t l, r;
struct read_info_ctx ctx;
pkg = calloc(1, sizeof(struct apk_package));
if (pkg == NULL)
ctx.pkg = calloc(1, sizeof(struct apk_package));
if (ctx.pkg == NULL)
return NULL;
r = blob;
while (apk_blob_splitstr(r, "\n", &l, &r))
parse_index_line(db, pkg, l);
parse_index_line(db, pkg, r);
ctx.db = db;
ctx.has_install = 0;
if (pkg->name == NULL) {
apk_pkg_free(pkg);
apk_blob_for_each_segment(blob, "\n", parse_index_line, &ctx);
if (ctx.pkg->name == NULL) {
apk_pkg_free(ctx.pkg);
printf("%.*s\n", blob.len, blob.ptr);
pkg = NULL;
ctx.pkg = NULL;
}
return pkg;
return ctx.pkg;
}
apk_blob_t apk_pkg_format_index_entry(struct apk_package *info, int size,