AppFS
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Comment:Added basic support for removing the world/group permissions from files
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SHA1: 152a83b1254f258846e8e89dcc3a636add604a97
User & Date: rkeene on 2015-03-18 17:20:07
Other Links: manifest | tags
Context
2015-03-18
17:21
Updated to use an environment variable to determine if we should do a debug build (usually not) check-in: 40785110e7 user: rkeene tags: trunk
17:20
Added basic support for removing the world/group permissions from files check-in: 152a83b125 user: rkeene tags: trunk
2015-03-16
15:36
Improved "appfs-mkfs" latest detection check-in: e3ddb480d5 user: rkeene tags: trunk
Changes
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Modified Makefile from [6eec822d80] to [33e6f3a5ed]. 

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APPFS_VERSION  = 1.4
CC             = gcc
PKG_CONFIG     = pkg-config
FUSE_CFLAGS    = $(shell $(PKG_CONFIG) --cflags fuse)
CFLAGS_DEBUG   = -Wall -g3 -ggdb3 -DDEBUG=1 -UNDEBUG -O0 -DAPPFS_EXIT_PATH=1
CFLAGS_RELEASE = -Wall -UDEBUG -DNDEBUG=1 -O3
CFLAGS         += $(FUSE_CFLAGS) $(TCL_CFLAGS) $(CFLAGS_RELEASE)
CFLAGS         += $(FUSE_CFLAGS) $(TCL_CFLAGS) $(CFLAGS_DEBUG)
LDFLAGS        += $(TCL_LDFLAGS)
FUSE_LIBS      = $(shell $(PKG_CONFIG) --libs fuse)
LIBS           += $(FUSE_LIBS) $(TCL_LIBS)
PREFIX         = /usr/local
prefix         = $(PREFIX)
exec_prefix    = $(prefix)
bindir         = $(exec_prefix)/bin
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Modified appfsd.c from [7c511aec25] to [3e9adabf49].

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	unsigned long long inode;
	union {
		struct {
			int childcount;
		} dir;
		struct {
			int executable;
			int suid;
			int worldaccessible;
			off_t size;
		} file;
		struct {
			off_t size;
			char source[256];
		} symlink;
	} typeinfo;
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	return;
}

/* Get information about a path, and optionally list children */
static int appfs_get_path_info(const char *path, struct appfs_pathinfo *pathinfo) {
	Tcl_Interp *interp;
	Tcl_Obj *attrs_dict, *attr_value;
	const char *attr_value_str;
	const char *attr_value_str, *attr_value_str_i;
	Tcl_WideInt attr_value_wide;
	int attr_value_int;
	static __thread Tcl_Obj *attr_key_type = NULL, *attr_key_perms = NULL, *attr_key_size = NULL, *attr_key_time = NULL, *attr_key_source = NULL, *attr_key_childcount = NULL, *attr_key_packaged = NULL;
	int cache_ret;
	int tcl_ret;
	int retval;
	uid_t fsuid;
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				}

				break;
			case 'f': /* file */
				pathinfo->type = APPFS_PATHTYPE_FILE;
				pathinfo->typeinfo.file.size = 0;
				pathinfo->typeinfo.file.executable = 0;
				pathinfo->typeinfo.file.suid = 0;
				pathinfo->typeinfo.file.worldaccessible = 0;

				Tcl_DictObjGet(interp, attrs_dict, attr_key_size, &attr_value);
				if (attr_value != NULL) {
					tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
					if (tcl_ret == TCL_OK) {
						pathinfo->typeinfo.file.size = attr_value_wide;
					}
				}

				Tcl_DictObjGet(interp, attrs_dict, attr_key_perms, &attr_value);
				if (attr_value != NULL) {
					attr_value_str = Tcl_GetString(attr_value);
					for (attr_value_str_i = &attr_value_str[0]; *attr_value_str_i != '\0'; attr_value_str_i++) {
					if (attr_value_str[0] == 'x') {
						pathinfo->typeinfo.file.executable = 1;
						switch (*attr_value_str_i) {
							case 'x':
								pathinfo->typeinfo.file.executable = 1;

								break;
							case 'U':
								pathinfo->typeinfo.file.suid = 1;

								break;
							case '-':
								pathinfo->typeinfo.file.worldaccessible = 1;

								break;
						}
					}
				}
				break;
			case 's': /* symlink */
				pathinfo->type = APPFS_PATHTYPE_SYMLINK;
				pathinfo->typeinfo.symlink.size = 0;
				pathinfo->typeinfo.symlink.source[0] = '\0';
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			break;
		case APPFS_PATHTYPE_FILE:
			if (pathinfo.typeinfo.file.executable) {
				stbuf->st_mode = S_IFREG | 0555;
			} else {
				stbuf->st_mode = S_IFREG | 0444;
			}

			if (pathinfo.typeinfo.file.suid) {
				stbuf->st_mode = S_IFREG | 04000;
			}

			if (pathinfo.typeinfo.file.worldaccessible) {
				stbuf->st_mode &= ~077;
			}

			stbuf->st_nlink = 1;
			stbuf->st_size = pathinfo.typeinfo.file.size;

			break;
		case APPFS_PATHTYPE_SYMLINK:
			stbuf->st_mode = S_IFLNK | 0555;
			stbuf->st_nlink = 1;
			stbuf->st_size = pathinfo.typeinfo.symlink.size;
			break;
		case APPFS_PATHTYPE_SOCKET:
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Modified appfsd.tcl from [98d9d73f56] to [b01c545d08].

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				switch -- $fileInfo(type) {
					"#manifestmetadata" {
						unset -nocomplain fileInfo
						continue
					}
					"file" {
						set fileInfo(size) [lindex $work 0]

						# We lower-case the permissions because upper-case permissions
						# should not be set remotely as they may influence the security
						# of the system.
						set fileInfo(perms) [lindex $work 1]
						set fileInfo(perms) [string tolower [lindex $work 1]]

						set fileInfo(sha1) [lindex $work 2]

						set work [lrange $work 3 end]
					}
					"symlink" {
						set fileInfo(source) [lindex $work 0]
						set work [lrange $work 1 end]
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