diff options
Diffstat (limited to 'src/rc')
| -rw-r--r-- | src/rc/checkpath.c | 95 |
1 files changed, 67 insertions, 28 deletions
diff --git a/src/rc/checkpath.c b/src/rc/checkpath.c index c8bd8ad7..4ad4ea7d 100644 --- a/src/rc/checkpath.c +++ b/src/rc/checkpath.c @@ -32,6 +32,7 @@ #include <sys/types.h> #include <sys/stat.h> +#include <features.h> #include <errno.h> #include <fcntl.h> #include <getopt.h> @@ -46,44 +47,68 @@ #include "einfo.h" #include "rc-misc.h" +typedef enum { + inode_unknown = 0, + inode_file = 1, + inode_dir = 2, + inode_fifo = 3, +} inode_t; + extern const char *applet; static int -do_check(char *path, uid_t uid, gid_t gid, mode_t mode, int file) +do_check(char *path, uid_t uid, gid_t gid, mode_t mode, inode_t type, bool trunc) { struct stat st; - int fd; + int fd, flags; if (stat(path, &st)) { - if (file) { + if (type == inode_file) { einfo("%s: creating file", path); - if (!mode) - mode = S_IRUSR | S_IWUSR | S_IRGRP | - S_IWGRP | S_IROTH; - if ((fd = open(path, O_CREAT, mode)) == -1) { + if (!mode) /* 664 */ + mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH; + flags = O_CREAT|O_NDELAY|O_WRONLY|O_NOCTTY; +#ifdef __USE_XOPEN2K8 + flags |= O_CLOEXEC|O_NOFOLLOW; +#endif + if (trunc) + flags |= O_TRUNC; + if ((fd = open(path, flags, mode)) == -1) { eerror("%s: open: %s", applet, strerror(errno)); return -1; } close (fd); - } else { + } else if (type == inode_dir) { einfo("%s: creating directory", path); - if (!mode) + if (!mode) /* 775 */ mode = S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH; - if (mkdir(path, mode)) { + if (mkdir(path, mode) == -1) { eerror("%s: mkdir: %s", applet, strerror (errno)); return -1; } mode = 0; + } else if (type == inode_fifo) { + einfo("%s: creating fifo", path); + if (!mode) /* 600 */ + mode = S_IRUSR | S_IWUSR; + if (mkfifo(path, mode) == -1) { + eerror("%s: mkfifo: %s", applet, + strerror (errno)); + return -1; + } } } else { - if ((file && S_ISDIR(st.st_mode)) || - (!file && !S_ISDIR(st.st_mode))) - { - if (file) - eerror("%s: is a directory", path); - else - eerror("%s: is a file", path); + if (type != inode_dir && S_ISDIR(st.st_mode)) { + eerror("%s: is a directory", path); + return 1; + } + if (type != inode_file && S_ISREG(st.st_mode)) { + eerror("%s: is a file", path); + return 1; + } + if (type != inode_fifo && S_ISFIFO(st.st_mode)) { + eerror("%s: is a fifo", path); return -1; } } @@ -143,17 +168,23 @@ parse_owner(struct passwd **user, struct group **group, const char *owner) #include "_usage.h" #define extraopts "path1 path2 ..." -#define getoptstring "dfm:o:" getoptstring_COMMON +#define getoptstring "dDfFpm:o:" getoptstring_COMMON static const struct option longopts[] = { - { "directory", 0, NULL, 'd'}, - { "file", 0, NULL, 'f'}, - { "mode", 1, NULL, 'm'}, - { "owner", 1, NULL, 'o'}, + { "directory", 0, NULL, 'd'}, + { "directory-truncate", 0, NULL, 'D'}, + { "file", 0, NULL, 'f'}, + { "file-truncate", 0, NULL, 'F'}, + { "pipe", 0, NULL, 'p'}, + { "mode", 1, NULL, 'm'}, + { "owner", 1, NULL, 'o'}, longopts_COMMON }; static const char * const longopts_help[] = { - "Check if a directory", - "Check if a file", + "Create a directory if not exists", + "Create/empty directory", + "Create a file if not exists", + "Truncate file", + "Create a named pipe (FIFO) if not exists", "Mode to check", "Owner to check (user:group)", longopts_help_COMMON @@ -169,18 +200,26 @@ checkpath(int argc, char **argv) mode_t mode = 0; struct passwd *pw = NULL; struct group *gr = NULL; - bool file = 0; + inode_t type = inode_unknown; int retval = EXIT_SUCCESS; + bool trunc = 0; while ((opt = getopt_long(argc, argv, getoptstring, longopts, (int *) 0)) != -1) { switch (opt) { + case 'D': + trunc = 1; case 'd': - file = 0; + type = inode_dir; break; + case 'F': + trunc = 1; case 'f': - file = 1; + type = inode_file; + break; + case 'p': + type = inode_fifo; break; case 'm': if (parse_mode(&mode, optarg) != 0) @@ -208,7 +247,7 @@ checkpath(int argc, char **argv) gid = gr->gr_gid; while (optind < argc) { - if (do_check(argv[optind], uid, gid, mode, file)) + if (do_check(argv[optind], uid, gid, mode, type, trunc)) retval = EXIT_FAILURE; optind++; } |