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authorGravatar Hector Martin2021-11-17 15:04:58 +0900
committerGravatar Hector Martin2021-11-17 15:58:18 +0900
commite7ac67e0b5327e21fa4726c3795011a065c3b89c (patch)
treea2e0756b3467f2b6b5742780653c8f5f60482a67 /src
parentef2db7acb3b177aab665267934e3d64c95cfe758 (diff)
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ipsw: Add a function to list the archive contents (Monterey)
This is required to enumerate the BootabilityBundle contents. Signed-off-by: Hector Martin <marcan@marcan.st>
Diffstat (limited to 'src')
-rw-r--r--src/ipsw.c120
-rw-r--r--src/ipsw.h4
2 files changed, 124 insertions, 0 deletions
diff --git a/src/ipsw.c b/src/ipsw.c
index 844328c..7bebd56 100644
--- a/src/ipsw.c
+++ b/src/ipsw.c
@@ -31,6 +31,8 @@
#include <errno.h>
#include <limits.h>
#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
#include <zip.h>
#ifdef HAVE_OPENSSL
#include <openssl/sha.h>
@@ -715,6 +717,124 @@ int ipsw_extract_restore_plist(const char* ipsw, plist_t* restore_plist)
return -1;
}
+static int ipsw_list_contents_recurse(ipsw_archive *archive, const char *path, ipsw_list_cb cb, void *ctx)
+{
+ int ret = 0;
+ char *base = build_path(archive->path, path);
+
+ DIR *dirp = opendir(base);
+
+ if (!dirp) {
+ error("ERROR: failed to open directory %s\n", base);
+ free(base);
+ return -1;
+ }
+
+ while (ret >= 0) {
+ struct dirent *dir = readdir(dirp);
+ if (!dir)
+ break;
+
+ if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
+ continue;
+
+ char *fpath = build_path(base, dir->d_name);
+ char *subpath;
+ if (*path)
+ subpath = build_path(path, dir->d_name);
+ else
+ subpath = strdup(dir->d_name);
+
+ struct stat st;
+ ret = lstat(fpath, &st);
+ if (ret != 0) {
+ error("ERROR: failed to stat %s\n", fpath);
+ free(fpath);
+ free(subpath);
+ break;
+ }
+
+ ret = cb(ctx, archive->path, subpath, &st);
+
+ if (ret >= 0 && S_ISDIR(st.st_mode))
+ ipsw_list_contents_recurse(archive, subpath, cb, ctx);
+
+ free(fpath);
+ free(subpath);
+ }
+
+ closedir(dirp);
+ free(base);
+ return ret;
+}
+
+int ipsw_list_contents(const char* ipsw, ipsw_list_cb cb, void *ctx)
+{
+ int ret = 0;
+
+ ipsw_archive* archive = ipsw_open(ipsw);
+ if (archive == NULL) {
+ error("ERROR: Invalid archive\n");
+ return -1;
+ }
+
+ if (archive->zip) {
+ int64_t entries = zip_get_num_entries(archive->zip, 0);
+ if (entries < 0) {
+ error("ERROR: zip_get_num_entries failed\n");
+ ipsw_close(archive);
+ return -1;
+ }
+
+ for (int64_t index = 0; index < entries; index++) {
+ zip_stat_t stat;
+
+ zip_stat_init(&stat);
+ if (zip_stat_index(archive->zip, index, 0, &stat) < 0) {
+ error("ERROR: zip_stat_index failed for %s\n", stat.name);
+ ret = -1;
+ continue;
+ }
+
+ uint8_t opsys;
+ uint32_t attributes;
+ if (zip_file_get_external_attributes(archive->zip, index, 0, &opsys, &attributes) < 0) {
+ error("ERROR: zip_file_get_external_attributes failed for %s\n", stat.name);
+ ret = -1;
+ continue;
+ }
+ if (opsys != ZIP_OPSYS_UNIX) {
+ error("ERROR: File %s does not have UNIX attributes\n", stat.name);
+ ret = -1;
+ continue;
+ }
+
+ struct stat st;
+ memset(&st, 0, sizeof(st));
+ st.st_ino = 1 + index;
+ st.st_nlink = 1;
+ st.st_mode = attributes >> 16;
+ st.st_size = stat.size;
+
+ char *name = strdup(stat.name);
+ if (name[strlen(name) - 1] == '/')
+ name[strlen(name) - 1] = '\0';
+
+ ret = cb(ctx, ipsw, name, &st);
+
+ free(name);
+
+ if (ret < 0)
+ break;
+ }
+ } else {
+ ret = ipsw_list_contents_recurse(archive, "", cb, ctx);
+ }
+
+ ipsw_close(archive);
+ return ret;
+}
+
void ipsw_close(ipsw_archive* archive)
{
if (archive != NULL) {
diff --git a/src/ipsw.h b/src/ipsw.h
index 5c75699..3b5da80 100644
--- a/src/ipsw.h
+++ b/src/ipsw.h
@@ -30,9 +30,12 @@ extern "C" {
#include <stdint.h>
#include <plist/plist.h>
+#include <sys/stat.h>
int ipsw_print_info(const char* ipsw);
+typedef int (*ipsw_list_cb)(void *ctx, const char* ipsw, const char *name, struct stat *stat);
+
int ipsw_is_directory(const char* ipsw);
int ipsw_file_exists(const char* ipsw, const char* infile);
int ipsw_get_file_size(const char* ipsw, const char* infile, uint64_t* size);
@@ -41,6 +44,7 @@ int ipsw_extract_to_file_with_progress(const char* ipsw, const char* infile, con
int ipsw_extract_to_memory(const char* ipsw, const char* infile, unsigned char** pbuffer, unsigned int* psize);
int ipsw_extract_build_manifest(const char* ipsw, plist_t* buildmanifest, int *tss_enabled);
int ipsw_extract_restore_plist(const char* ipsw, plist_t* restore_plist);
+int ipsw_list_contents(const char* ipsw, ipsw_list_cb cb, void *ctx);
int ipsw_get_signed_firmwares(const char* product, plist_t* firmwares);
int ipsw_download_fw(const char *fwurl, unsigned char* isha1, const char* todir, char** ipswfile);