X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fmkdir.c;h=f941efb401809333240dbef8e0eeefdbc3919cee;hb=7de80bfe2e61d5818601ccfddbadad3b7703ed70;hp=e21a0f398949fd90d614c07a2f0e600a0ebb2cf3;hpb=4ad490007b70e6ac18d3cb04fa2ed92eba1451fa;p=elogind.git diff --git a/src/shared/mkdir.c b/src/shared/mkdir.c index e21a0f398..f941efb40 100644 --- a/src/shared/mkdir.c +++ b/src/shared/mkdir.c @@ -31,23 +31,21 @@ #include "path-util.h" #include "mkdir.h" -int mkdir_label(const char *path, mode_t mode) { - return label_mkdir(path, mode, true); -} - -static int mkdir_safe_internal(const char *path, mode_t mode, uid_t uid, gid_t gid, bool apply) { +int mkdir_safe_internal(const char *path, mode_t mode, uid_t uid, gid_t gid, mkdir_func_t _mkdir) { struct stat st; - if (label_mkdir(path, mode, apply) >= 0) + if (_mkdir(path, mode) >= 0) if (chmod_and_chown(path, mode, uid, gid) < 0) return -errno; if (lstat(path, &st) < 0) return -errno; - if ((st.st_mode & 0777) != mode || - st.st_uid != uid || - st.st_gid != gid || + if ((st.st_mode & 0007) > (mode & 0007) || + (st.st_mode & 0070) > (mode & 0070) || + (st.st_mode & 0700) > (mode & 0700) || + (uid != (uid_t) -1 && st.st_uid != uid) || + (gid != (gid_t) -1 && st.st_gid != gid) || !S_ISDIR(st.st_mode)) { errno = EEXIST; return -errno; @@ -57,23 +55,24 @@ static int mkdir_safe_internal(const char *path, mode_t mode, uid_t uid, gid_t g } int mkdir_safe(const char *path, mode_t mode, uid_t uid, gid_t gid) { - return mkdir_safe_internal(path, mode, uid, gid, false); -} - -int mkdir_safe_label(const char *path, mode_t mode, uid_t uid, gid_t gid) { - return mkdir_safe_internal(path, mode, uid, gid, true); + return mkdir_safe_internal(path, mode, uid, gid, mkdir); } -static int is_dir(const char* path) { +int is_dir(const char* path, bool follow) { struct stat st; - if (stat(path, &st) < 0) - return -errno; + if (follow) { + if (stat(path, &st) < 0) + return -errno; + } else { + if (lstat(path, &st) < 0) + return -errno; + } return S_ISDIR(st.st_mode); } -static int mkdir_parents_internal(const char *prefix, const char *path, mode_t mode, bool apply) { +int mkdir_parents_internal(const char *prefix, const char *path, mode_t mode, mkdir_func_t _mkdir) { const char *p, *e; int r; @@ -91,7 +90,7 @@ static int mkdir_parents_internal(const char *prefix, const char *path, mode_t m return 0; p = strndupa(path, e - path); - r = is_dir(p); + r = is_dir(p, true); if (r > 0) return 0; if (r == 0) @@ -116,48 +115,36 @@ static int mkdir_parents_internal(const char *prefix, const char *path, mode_t m if (prefix && path_startswith(prefix, t)) continue; - r = label_mkdir(t, mode, apply); + r = _mkdir(t, mode); if (r < 0 && errno != EEXIST) return -errno; } } int mkdir_parents(const char *path, mode_t mode) { - return mkdir_parents_internal(NULL, path, mode, false); -} - -int mkdir_parents_label(const char *path, mode_t mode) { - return mkdir_parents_internal(NULL, path, mode, true); + return mkdir_parents_internal(NULL, path, mode, mkdir); } -int mkdir_parents_prefix(const char *prefix, const char *path, mode_t mode) { - return mkdir_parents_internal(prefix, path, mode, true); -} - -static int mkdir_p_internal(const char *prefix, const char *path, mode_t mode, bool apply) { +int mkdir_p_internal(const char *prefix, const char *path, mode_t mode, mkdir_func_t _mkdir) { int r; /* Like mkdir -p */ - r = mkdir_parents_internal(prefix, path, mode, apply); + r = mkdir_parents_internal(prefix, path, mode, _mkdir); if (r < 0) return r; - r = label_mkdir(path, mode, apply); - if (r < 0 && (errno != EEXIST || is_dir(path) <= 0)) + r = _mkdir(path, mode); + if (r < 0 && (errno != EEXIST || is_dir(path, true) <= 0)) return -errno; return 0; } int mkdir_p(const char *path, mode_t mode) { - return mkdir_p_internal(NULL, path, mode, false); -} - -int mkdir_p_label(const char *path, mode_t mode) { - return mkdir_p_internal(NULL, path, mode, true); + return mkdir_p_internal(NULL, path, mode, mkdir); } int mkdir_p_prefix(const char *prefix, const char *path, mode_t mode) { - return mkdir_p_internal(prefix, path, mode, false); + return mkdir_p_internal(prefix, path, mode, mkdir); }