X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Funix_apply.c;h=8d549f60005d6f5cc2e62cf080f97ed5dcbd2cf7;hb=668c363a59c521f48eecbc4dd549c07a3e36179e;hp=fd5d972d404de454bef7dbb28d5a6b26d06977a0;hpb=3d84c998673ba7acf82ec5c26769a41e28a2cc7b;p=wimlib diff --git a/src/unix_apply.c b/src/unix_apply.c index fd5d972d..8d549f60 100644 --- a/src/unix_apply.c +++ b/src/unix_apply.c @@ -29,9 +29,9 @@ #include "wimlib/apply.h" #include "wimlib/error.h" -#include "wimlib/lookup_table.h" #include "wimlib/resource.h" #include "wimlib/timestamp.h" +#include "wimlib/unix_data.h" #include #include @@ -44,6 +44,10 @@ # include #endif +#ifndef O_NOFOLLOW +# define O_NOFOLLOW 0 +#endif + static int unix_start_extract(const char *target, struct apply_ctx *ctx) { @@ -54,9 +58,9 @@ unix_start_extract(const char *target, struct apply_ctx *ctx) } static int -unix_create_file(const char *path, struct apply_ctx *ctx) +unix_create_file(const char *path, struct apply_ctx *ctx, u64 *cookie_ret) { - int fd = open(path, O_TRUNC | O_CREAT | O_WRONLY, 0644); + int fd = open(path, O_TRUNC | O_CREAT | O_WRONLY | O_NOFOLLOW, 0644); if (fd < 0) return WIMLIB_ERR_OPEN; close(fd); @@ -64,7 +68,7 @@ unix_create_file(const char *path, struct apply_ctx *ctx) } static int -unix_create_directory(const tchar *path, struct apply_ctx *ctx) +unix_create_directory(const tchar *path, struct apply_ctx *ctx, u64 *cookie_ret) { struct stat stbuf; @@ -72,46 +76,57 @@ unix_create_directory(const tchar *path, struct apply_ctx *ctx) if (errno != EEXIST) return WIMLIB_ERR_MKDIR; if (lstat(path, &stbuf)) - return WIMLIB_ERR_STAT; + return WIMLIB_ERR_MKDIR; errno = EEXIST; if (!S_ISDIR(stbuf.st_mode)) - return WIMLIB_ERR_NOTDIR; + return WIMLIB_ERR_MKDIR; } return 0; } +static int +unix_makelink(const tchar *oldpath, const tchar *newpath, + int (*makelink)(const tchar *oldpath, const tchar *newpath)) +{ + if ((*makelink)(oldpath, newpath)) { + if (errno != EEXIST) + return WIMLIB_ERR_LINK; + if (unlink(newpath)) + return WIMLIB_ERR_LINK; + if ((*makelink)(oldpath, newpath)) + return WIMLIB_ERR_LINK; + } + return 0; +} static int unix_create_hardlink(const tchar *oldpath, const tchar *newpath, struct apply_ctx *ctx) { - if (link(oldpath, newpath)) - return WIMLIB_ERR_LINK; - return 0; + return unix_makelink(oldpath, newpath, link); } static int unix_create_symlink(const tchar *oldpath, const tchar *newpath, struct apply_ctx *ctx) { - if (symlink(oldpath, newpath)) - return WIMLIB_ERR_LINK; - return 0; + return unix_makelink(oldpath, newpath, symlink); } static int -unix_extract_unnamed_stream(const tchar *path, +unix_extract_unnamed_stream(file_spec_t file, struct wim_lookup_table_entry *lte, struct apply_ctx *ctx) { + const char *path = file.path; struct filedes fd; int raw_fd; int ret; - raw_fd = open(path, O_WRONLY | O_TRUNC); + raw_fd = open(path, O_WRONLY | O_TRUNC | O_NOFOLLOW); if (raw_fd < 0) return WIMLIB_ERR_OPEN; filedes_init(&fd, raw_fd); - ret = extract_wim_resource_to_fd(lte, &fd, wim_resource_size(lte)); + ret = extract_full_stream_to_fd(lte, &fd); if (filedes_close(&fd) && !ret) ret = WIMLIB_ERR_WRITE; return ret;