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authorLennart Poettering <lennart@poettering.net>2011-02-13 14:00:54 +0100
committerLennart Poettering <lennart@poettering.net>2011-02-13 14:00:54 +0100
commitfba6e687234660739e5ea1f2fc9c010db893c253 (patch)
treecdf20b8d9a91d603d14561193fe5fad0a8a154ab /src
parenteb0ca9ebfff4f708892ee3d4f268b839d92e34a3 (diff)
tmpfiles: take names of tmpfiles configuration files on the command line
Diffstat (limited to 'src')
-rw-r--r--src/tmpfiles.c147
1 files changed, 85 insertions, 62 deletions
diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index d7ca062a55..36fc9165f8 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -85,6 +85,8 @@ static bool arg_create = false;
static bool arg_clean = false;
static bool arg_remove = false;
+static const char *arg_prefix = NULL;
+
#define MAX_DEPTH 256
static bool needs_glob(int t) {
@@ -538,7 +540,7 @@ static void item_free(Item *i) {
free(i);
}
-static int parse_line(const char *fname, unsigned line, const char *buffer, const char *prefix) {
+static int parse_line(const char *fname, unsigned line, const char *buffer) {
Item *i;
char *mode = NULL, *user = NULL, *group = NULL, *age = NULL;
int r;
@@ -590,7 +592,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer, cons
path_kill_slashes(i->path);
- if (prefix && !path_startswith(i->path, prefix)) {
+ if (arg_prefix && !path_startswith(i->path, arg_prefix)) {
r = 0;
goto finish;
}
@@ -698,12 +700,13 @@ static int scandir_filter(const struct dirent *d) {
static int help(void) {
- printf("%s [OPTIONS...]\n\n"
- "Create and clean up temporary directories.\n\n"
+ printf("%s [OPTIONS...] [CONFIGURATION FILE]\n\n"
+ "Create and clean up temporary files and directories.\n\n"
" -h --help Show this help\n"
" --create Create marked files/directories\n"
" --clean Clean up marked directories\n"
- " --remove Remove marked files/directories\n",
+ " --remove Remove marked files/directories\n"
+ " --prefix=PATH Only apply rules that apply to paths\n",
program_invocation_short_name);
return 0;
@@ -714,7 +717,8 @@ static int parse_argv(int argc, char *argv[]) {
enum {
ARG_CREATE,
ARG_CLEAN,
- ARG_REMOVE
+ ARG_REMOVE,
+ ARG_PREFIX
};
static const struct option options[] = {
@@ -722,6 +726,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "create", no_argument, NULL, ARG_CREATE },
{ "clean", no_argument, NULL, ARG_CLEAN },
{ "remove", no_argument, NULL, ARG_REMOVE },
+ { "prefix", required_argument, NULL, ARG_PREFIX },
{ NULL, 0, NULL, 0 }
};
@@ -750,6 +755,10 @@ static int parse_argv(int argc, char *argv[]) {
arg_remove = true;
break;
+ case ARG_PREFIX:
+ arg_prefix = optarg;
+ break;
+
case '?':
return -EINVAL;
@@ -760,28 +769,66 @@ static int parse_argv(int argc, char *argv[]) {
}
if (!arg_clean && !arg_create && !arg_remove) {
- help();
+ log_error("You need to specify at leat one of --clean, --create or --remove.");
return -EINVAL;
}
return 1;
}
+static int read_config_file(const char *fn, bool ignore_enoent) {
+ FILE *f;
+ unsigned v = 0;
+ int r = 0;
+
+ assert(fn);
+
+ if (!(f = fopen(fn, "re"))) {
+
+ if (ignore_enoent && errno == ENOENT)
+ return 0;
+
+ log_error("Failed to open %s: %m", fn);
+ return -errno;
+ }
+
+ for (;;) {
+ char line[LINE_MAX], *l;
+ int k;
+
+ if (!(fgets(line, sizeof(line), f)))
+ break;
+
+ v++;
+
+ l = strstrip(line);
+ if (*l == '#' || *l == 0)
+ continue;
+
+ if ((k = parse_line(fn, v, l)) < 0)
+ if (r == 0)
+ r = k;
+ }
+
+ if (ferror(f)) {
+ log_error("Failed to read from file %s: %m", fn);
+ if (r == 0)
+ r = -EIO;
+ }
+
+ fclose(f);
+
+ return r;
+}
+
int main(int argc, char *argv[]) {
- struct dirent **de = NULL;
- int r, n, j;
- const char *prefix = NULL;
+ int r;
Item *i;
Iterator iterator;
if ((r = parse_argv(argc, argv)) <= 0)
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
- if (optind < argc)
- prefix = argv[optind];
- else
- prefix = "/";
-
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
@@ -797,75 +844,51 @@ int main(int argc, char *argv[]) {
goto finish;
}
- if ((n = scandir("/etc/tmpfiles.d/", &de, scandir_filter, alphasort)) < 0) {
-
- if (errno == ENOENT)
- r = EXIT_SUCCESS;
- else {
- log_error("Failed to enumerate /etc/tmpfiles.d/ files: %m");
- r = EXIT_FAILURE;
- }
-
- goto finish;
- }
-
r = EXIT_SUCCESS;
- for (j = 0; j < n; j++) {
- int k;
- char *fn;
- FILE *f;
- unsigned v;
+ if (optind < argc) {
+ int j;
- k = asprintf(&fn, "/etc/tmpfiles.d/%s", de[j]->d_name);
- free(de[j]);
+ for (j = optind; j < argc; j++)
+ if (read_config_file(argv[j], false) < 0)
+ r = EXIT_FAILURE;
- if (k < 0) {
- log_error("Failed to allocate file name.");
- r = EXIT_FAILURE;
- continue;
- }
+ } else {
+ int n, j;
+ struct dirent **de = NULL;
- if (!(f = fopen(fn, "re"))) {
+ if ((n = scandir("/etc/tmpfiles.d/", &de, scandir_filter, alphasort)) < 0) {
if (errno != ENOENT) {
- log_error("Failed to open %s: %m", fn);
+ log_error("Failed to enumerate /etc/tmpfiles.d/ files: %m");
r = EXIT_FAILURE;
}
- free(fn);
- continue;
+ goto finish;
}
- v = 0;
- for (;;) {
- char line[LINE_MAX], *l;
-
- if (!(fgets(line, sizeof(line), f)))
- break;
+ for (j = 0; j < n; j++) {
+ int k;
+ char *fn;
- v++;
+ k = asprintf(&fn, "/etc/tmpfiles.d/%s", de[j]->d_name);
+ free(de[j]);
- l = strstrip(line);
- if (*l == '#' || *l == 0)
+ if (k < 0) {
+ log_error("Failed to allocate file name.");
+ r = EXIT_FAILURE;
continue;
+ }
- if (parse_line(fn, v, l, prefix) < 0)
+ if (read_config_file(fn, true) < 0)
r = EXIT_FAILURE;
- }
- if (ferror(f)) {
- r = EXIT_FAILURE;
- log_error("Failed to read from file %s: %m", fn);
+ free(fn);
}
- free(fn);
-
- fclose(f);
+ free(de);
}
- free(de);
-
HASHMAP_FOREACH(i, globs, iterator)
if (process_item(i) < 0)
r = EXIT_FAILURE;