Add support for installing from directories which contain symlinks

2 files changed, 30 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 11f24b4..0529da5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,6 +52,25 @@ AC_FUNC_MALLOC
 AC_FUNC_REALLOC
 AC_CHECK_FUNCS([strcasecmp strdup strerror strndup])
 
+# Check for lstat
+
+AC_MSG_CHECKING([whether lstat is available])
+AC_TRY_LINK([
+#include <sys/types.h>
+#include <sys/stat.h>
+#if defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+],[
+struct stat st;
+lstat("/tmp", &st);
+], [have_lstat="yes"], [have_lstat="no"])
+AC_MSG_RESULT([${have_lstat}])
+
+if test "x${have_lstat}" = "xyes" ; then
+  AC_DEFINE([HAVE_LSTAT], 1, [Define if lstat syscall is supported])
+fi
+
 AS_COMPILER_FLAGS(GLOBAL_CFLAGS, "-Wall -Wextra -Wmissing-declarations -Wredundant-decls -Wshadow -Wpointer-arith  -Wwrite-strings -Wswitch-default -Wno-unused-parameter -Werror -g")
 AC_SUBST(GLOBAL_CFLAGS)
 
diff --git a/src/ideviceinstaller.c b/src/ideviceinstaller.c
index 17f7c17..55f3062 100644
--- a/src/ideviceinstaller.c
+++ b/src/ideviceinstaller.c
@@ -36,6 +36,9 @@
 #include <limits.h>
 #include <sys/stat.h>
 #include <dirent.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 #include <libimobiledevice/libimobiledevice.h>
 #include <libimobiledevice/lockdown.h>
@@ -537,6 +540,14 @@ static void afc_upload_dir(afc_client_t afc, const char* path, const char* afcpa
                         strcat(apath, "/");
                         strcat(apath, ep->d_name);
 
+#ifdef HAVE_LSTAT
+                        if ((lstat(fpath, &st) == 0) && S_ISLNK(st.st_mode)) {
+                                char *target = (char *)malloc(st.st_size);
+                                readlink(fpath, target, st.st_size);
+                                afc_make_link(afc, AFC_SYMLINK, target, fpath);
+                                free(target);
+                        } else
+#endif
                         if ((stat(fpath, &st) == 0) && S_ISDIR(st.st_mode)) {
                                 afc_upload_dir(afc, fpath, apath);
                         } else {