cex

commit 8f395b3eb5e335a32dbc3afbd82a174d999cc46c
parent 1a1ce06ac43f10d689a0f894bacd2980a41ec71b
Author: Wim Dupont <wim@wimdupont.com>
Date:   Sat,  5 Jul 2025 14:07:17 +0200

added chown

Diffstat:
M
cex.c
 | 
80
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
config.def.h
 | 
1
+

2 files changed, 81 insertions(+), 0 deletions(-)
diff --git a/cex.c b/cex.c
@@ -82,6 +82,7 @@ static void next_search(void);
 static void prev_search(void);
 static void free_dirwin(DirWin *dirwin);
 static void run_command(size_t size, const char *fmt, ...);
+static void run_sudo_command(size_t size, const char *fmt, ...);
 static void clean(void);
 static void fatal(const char *fmt, ...);
 static bool is_dir(DirWin *dirwin, size_t index);
@@ -95,6 +96,8 @@ static int read_command(char *buf, size_t bufsize, const char *cmd);
 static int make_file(void);
 static int make_dir(void);
 static int make_mod(void);
+static int make_chown(void);
+static int sudo_chown(char *owner, char *group, long namelen);
 static void make_access(void);
 static void make_open_default(void);
 static void make_mime_default(const char *mime, const char *app);
@@ -892,6 +895,9 @@ combo_make(int key)
 		case KEY_COMBO_MAKE_MOD:
 			make_mod();
 			break;
+		case KEY_COMBO_MAKE_CHOWN:
+			make_chown();
+			break;
 		case KEY_COMBO_MAKE_ACCESS:
 			make_access();
 			break;
@@ -1330,6 +1336,38 @@ run_command(size_t size, const char *fmt, ...)
 	system(cmd);
 }
 
+void
+run_sudo_command(size_t size, const char *fmt, ...)
+{
+	va_list ap;
+	char cmd[size];
+	sigset_t set;
+
+	endwin();
+
+	if (sigemptyset (&set) == -1)
+		fatal("Sigemptyset failed.");
+	if (sigaddset(&set, SIGWINCH) == -1)
+		fatal("Sigaddset failed.");
+	if (sigprocmask(SIG_BLOCK, &set, NULL) != 0)
+		fatal("Blocking sigprocmask failed.");
+
+	va_start(ap, fmt);
+	vsnprintf(cmd, size, fmt, ap);
+	va_end(ap);
+
+	system(cmd);
+
+	if (sigprocmask(SIG_UNBLOCK, &set, NULL) != 0)
+		fatal("Unblocking sigprocmask failed.");
+
+	erase();
+	refresh();
+	wrefresh(parwin.window);
+	wrefresh(curwin.window);
+	wrefresh(childwin.window);
+}
+
 int
 make_dir(void)
 {
@@ -1428,6 +1466,48 @@ make_mod(void)
 	return 0;
 }
 
+int
+make_chown(void)
+{
+	struct passwd *usr;
+	struct group *grp;
+	long len = sysconf(_SC_LOGIN_NAME_MAX);
+	char owner[len], group[len];
+
+	prompt_answer(owner, len, "Owner name? ");
+	prompt_answer(group, len, "Group name? ");
+
+	if ((usr = getpwnam(owner)) == NULL)
+		return -1;
+
+	if ((grp = getgrnam(group)) == NULL)
+		return -1;
+
+	if ((chown(curwin.winfiles[curwin.highlight].d_name, usr->pw_uid, grp->gr_gid)) != 0) {
+		switch (errno) {
+			case EACCES:
+			case EPERM:
+				sudo_chown(owner, group, len);
+				break;
+			default:
+				return errno;
+		}
+	}
+	return 0;
+}
+
+int
+sudo_chown(char *owner, char *group, long namelen)
+{
+	size_t cmdsize;
+	char pathbuf[PATH_MAX], *cmdfmt = "sudo chown %s:%s %s";
+
+	cmdsize = namelen*2 + PATH_MAX + strlen(cmdfmt);
+	run_sudo_command(cmdsize, cmdfmt, owner, group, get_fullpath(pathbuf, &curwin, curwin.highlight));
+
+	return 0;
+}
+
 void
 make_access(void)
 {
diff --git a/config.def.h b/config.def.h
@@ -48,6 +48,7 @@
 #define KEY_COMBO_MAKE_FILE 'f'
 #define KEY_COMBO_MAKE_DIR 'd'
 #define KEY_COMBO_MAKE_MOD 'm'
+#define KEY_COMBO_MAKE_CHOWN 'c'
 #define KEY_COMBO_MAKE_ACCESS 'a'
 #define KEY_COMBO_MAKE_OPEN_DEFAULT 'o'