X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Flabel.c;h=92f10f9f90fb939b63b379ee5160d76650d213b5;hp=a8bf6bd4f93982ce46ba83edc28b982d01693def;hb=2cc412b59353576cece2d5b30c6a39c70552f0a0;hpb=a5c32cff1f56afe6f0c6c70d91a88a7a8238b2d7 diff --git a/src/shared/label.c b/src/shared/label.c index a8bf6bd4f..92f10f9f9 100644 --- a/src/shared/label.c +++ b/src/shared/label.c @@ -20,7 +20,6 @@ ***/ #include -#include #include #include #include @@ -82,7 +81,7 @@ int label_init(const char *prefix) { l = after_mallinfo.uordblks > before_mallinfo.uordblks ? after_mallinfo.uordblks - before_mallinfo.uordblks : 0; log_debug("Successfully loaded SELinux database in %s, size on heap is %iK.", - format_timespan(timespan, sizeof(timespan), after_timestamp - before_timestamp), + format_timespan(timespan, sizeof(timespan), after_timestamp - before_timestamp, 0), (l+1023)/1024); } #endif @@ -138,7 +137,10 @@ int label_fix(const char *path, bool ignore_enoent, bool ignore_erofs) { void label_finish(void) { #ifdef HAVE_SELINUX - if (use_selinux() && label_hnd) + if (!use_selinux()) + return; + + if (label_hnd) selabel_close(label_hnd); #endif } @@ -257,27 +259,26 @@ void label_free(const char *label) { #endif } -int label_mkdir(const char *path, mode_t mode, bool apply) { +int label_mkdir(const char *path, mode_t mode) { /* Creates a directory and labels it according to the SELinux policy */ #ifdef HAVE_SELINUX - int r; security_context_t fcon = NULL; + int r; - if (!apply || !use_selinux() || !label_hnd) + if (!use_selinux() || !label_hnd) goto skipped; if (path_is_absolute(path)) r = selabel_lookup_raw(label_hnd, &fcon, path, S_IFDIR); else { - char *newpath; + _cleanup_free_ char *newpath; newpath = path_make_absolute_cwd(path); if (!newpath) return -ENOMEM; r = selabel_lookup_raw(label_hnd, &fcon, newpath, S_IFDIR); - free(newpath); } if (r == 0) @@ -312,10 +313,10 @@ int label_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) { /* Binds a socket and label its file system object according to the SELinux policy */ #ifdef HAVE_SELINUX - int r; security_context_t fcon = NULL; const struct sockaddr_un *un; - char *path = NULL; + char *path; + int r; assert(fd >= 0); assert(addr); @@ -337,24 +338,18 @@ int label_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) { if (un->sun_path[0] == 0) goto skipped; - path = strndup(un->sun_path, addrlen - offsetof(struct sockaddr_un, sun_path)); - if (!path) - return -ENOMEM; + path = strndupa(un->sun_path, addrlen - offsetof(struct sockaddr_un, sun_path)); if (path_is_absolute(path)) r = selabel_lookup_raw(label_hnd, &fcon, path, S_IFSOCK); else { - char *newpath; + _cleanup_free_ char *newpath; newpath = path_make_absolute_cwd(path); - - if (!newpath) { - free(path); + if (!newpath) return -ENOMEM; - } r = selabel_lookup_raw(label_hnd, &fcon, newpath, S_IFSOCK); - free(newpath); } if (r == 0) @@ -376,7 +371,6 @@ int label_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) { finish: setfscreatecon(NULL); freecon(fcon); - free(path); return r; @@ -384,3 +378,15 @@ skipped: #endif return bind(fd, addr, addrlen) < 0 ? -errno : 0; } + +int label_apply(const char *path, const char *label) { + int r = 0; + +#ifdef HAVE_SELINUX + if (!use_selinux()) + return 0; + + r = setfilecon(path, (char *)label); +#endif + return r; +}