#include "errno-list.h"
#include "af-list.h"
#include "cap-list.h"
+#include "signal-util.h"
#include "bus-internal.h"
#ifdef HAVE_SECCOMP
void *data,
void *userdata) {
- ExecCommand **e = data, *nce;
- char *path, **n;
- unsigned k;
+ ExecCommand **e = data;
+ const char *p;
+ bool semicolon;
int r;
assert(filename);
e += ltype;
+ rvalue += strspn(rvalue, WHITESPACE);
+ p = rvalue;
+
if (isempty(rvalue)) {
/* An empty assignment resets the list */
*e = exec_command_free_list(*e);
return 0;
}
- /* We accept an absolute path as first argument, or
- * alternatively an absolute prefixed with @ to allow
- * overriding of argv[0]. */
- for (;;) {
+ do {
int i;
- const char *word, *state, *reason;
- size_t l;
+ _cleanup_strv_free_ char **n = NULL;
+ size_t nlen = 0, nbufsize = 0;
+ _cleanup_free_ ExecCommand *nce = NULL;
+ _cleanup_free_ char *path = NULL, *firstword = NULL;
+ char *f;
bool separate_argv0 = false, ignore = false;
- path = NULL;
- nce = NULL;
- n = NULL;
+ semicolon = false;
- rvalue += strspn(rvalue, WHITESPACE);
+ r = extract_first_word_and_warn(&p, &firstword, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
+ if (r <= 0)
+ return 0;
- if (rvalue[0] == 0)
- break;
+ f = firstword;
+ for (i = 0; i < 2; i++) {
+ /* We accept an absolute path as first argument, or
+ * alternatively an absolute prefixed with @ to allow
+ * overriding of argv[0]. */
+ if (*f == '-' && !ignore)
+ ignore = true;
+ else if (*f == '@' && !separate_argv0)
+ separate_argv0 = true;
+ else
+ break;
+ f ++;
+ }
- k = 0;
- FOREACH_WORD_QUOTED(word, l, rvalue, state) {
- if (k == 0) {
- for (i = 0; i < 2; i++) {
- if (*word == '-' && !ignore) {
- ignore = true;
- word ++;
- }
-
- if (*word == '@' && !separate_argv0) {
- separate_argv0 = true;
- word ++;
- }
- }
- } else if (strneq(word, ";", MAX(l, 1U)))
- goto found;
+ if (isempty(f)) {
+ /* First word is either "-" or "@" with no command. */
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Empty path in command line, ignoring: \"%s\"", rvalue);
+ return 0;
+ }
- k++;
+ if (!string_is_safe(f)) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Executable path contains special characters, ignoring: %s", rvalue);
+ return 0;
}
- if (!isempty(state)) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Trailing garbage, ignoring.");
+ if (!path_is_absolute(f)) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Executable path is not absolute, ignoring: %s", rvalue);
+ return 0;
+ }
+ if (endswith(f, "/")) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Executable path specifies a directory, ignoring: %s", rvalue);
return 0;
}
- found:
- /* If separate_argv0, we'll move first element to path variable */
- n = new(char*, MAX(k + !separate_argv0, 1u));
- if (!n)
- return log_oom();
+ if (f == firstword) {
+ path = firstword;
+ firstword = NULL;
+ } else {
+ path = strdup(f);
+ if (!path)
+ return log_oom();
+ }
- k = 0;
- FOREACH_WORD_QUOTED(word, l, rvalue, state) {
- char *c;
- unsigned skip;
-
- if (separate_argv0 ? path == NULL : k == 0) {
- /* first word, very special */
- skip = separate_argv0 + ignore;
-
- /* skip special chars in the beginning */
- if (l <= skip) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Empty path in command line, ignoring: \"%s\"", rvalue);
- r = 0;
- goto fail;
- }
+ if (!separate_argv0) {
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ f = strdup(path);
+ if (!f)
+ return log_oom();
+ n[nlen++] = f;
+ n[nlen] = NULL;
+ }
- } else if (strneq(word, ";", MAX(l, 1U)))
- /* new commandline */
- break;
+ path_kill_slashes(path);
- else
- skip = strneq(word, "\\;", MAX(l, 1U));
+ while (!isempty(p)) {
+ _cleanup_free_ char *word = NULL;
- r = cunescape_length(word + skip, l - skip, 0, &c);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r, "Failed to unescape command line, ignoring: %s", rvalue);
- r = 0;
- goto fail;
+ /* Check explicitly for an unquoted semicolon as
+ * command separator token. */
+ if (p[0] == ';' && (!p[1] || strchr(WHITESPACE, p[1]))) {
+ p ++;
+ p += strspn(p, WHITESPACE);
+ semicolon = true;
+ break;
}
- if (!utf8_is_valid(c)) {
- log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
- r = 0;
- goto fail;
+ /* Check for \; explicitly, to not confuse it with \\;
+ * or "\;" or "\\;" etc. extract_first_word would
+ * return the same for all of those. */
+ if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) {
+ p += 2;
+ p += strspn(p, WHITESPACE);
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ f = strdup(";");
+ if (!f)
+ return log_oom();
+ n[nlen++] = f;
+ n[nlen] = NULL;
+ continue;
}
- /* where to stuff this? */
- if (separate_argv0 && path == NULL)
- path = c;
- else
- n[k++] = c;
- }
+ r = extract_first_word_and_warn(&p, &word, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
+ if (r == 0)
+ break;
+ else if (r < 0)
+ return 0;
- n[k] = NULL;
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ n[nlen++] = word;
+ n[nlen] = NULL;
+ word = NULL;
+ }
- if (!n[0])
- reason = "Empty executable name or zeroeth argument";
- else if (!string_is_safe(path ?: n[0]))
- reason = "Executable path contains special characters";
- else if (!path_is_absolute(path ?: n[0]))
- reason = "Executable path is not absolute";
- else if (endswith(path ?: n[0], "/"))
- reason = "Executable path specifies a directory";
- else
- goto ok;
-
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "%s, ignoring: %s", reason, rvalue);
- r = 0;
- goto fail;
-
-ok:
- if (!path) {
- path = strdup(n[0]);
- if (!path) {
- r = log_oom();
- goto fail;
- }
+ if (!n || !n[0]) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Empty executable name or zeroeth argument, ignoring: %s", rvalue);
+ return 0;
}
nce = new0(ExecCommand, 1);
- if (!nce) {
- r = log_oom();
- goto fail;
- }
+ if (!nce)
+ return log_oom();
nce->argv = n;
nce->path = path;
nce->ignore = ignore;
- path_kill_slashes(nce->path);
-
exec_command_append_list(e, nce);
- rvalue = state;
- }
-
- return 0;
+ /* Do not _cleanup_free_ these. */
+ n = NULL;
+ path = NULL;
+ nce = NULL;
-fail:
- n[k] = NULL;
- strv_free(n);
- free(path);
- free(nce);
+ rvalue = p;
+ } while (semicolon);
- return r;
+ return 0;
}
DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
cap = capability_from_name(t);
if (cap < 0) {
- log_syntax(unit, LOG_ERR, filename, line, errno, "Failed to parse capability in bounding set, ignoring: %s", t);
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse capability in bounding set, ignoring: %s", t);
continue;
}
}
#endif
+DEFINE_CONFIG_PARSE_ENUM(config_parse_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode, "Failed to parse utmp mode");
DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
-int config_parse_kill_signal(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int *sig = data;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(sig);
-
- r = signal_from_string_try_harder(rvalue);
- if (r <= 0) {
- log_syntax(unit, LOG_ERR, filename, line, -r,
- "Failed to parse kill signal, ignoring: %s", rvalue);
- return 0;
- }
-
- *sig = r;
- return 0;
-}
-
int config_parse_exec_mount_flags(const char *unit,
const char *filename,
unsigned line,
assert(data);
if (isempty(rvalue)) {
- free(c->selinux_context);
- c->selinux_context = NULL;
+ c->selinux_context = mfree(c->selinux_context);
c->selinux_context_ignore = false;
return 0;
}
assert(data);
if (isempty(rvalue)) {
- free(c->apparmor_profile);
- c->apparmor_profile = NULL;
+ c->apparmor_profile = mfree(c->apparmor_profile);
c->apparmor_profile_ignore = false;
return 0;
}
assert(data);
if (isempty(rvalue)) {
- free(c->smack_process_label);
- c->smack_process_label = NULL;
+ c->smack_process_label = mfree(c->smack_process_label);
c->smack_process_label_ignore = false;
return 0;
}
return log_oom();
FOREACH_WORD_QUOTED(word, l, k, state) {
- _cleanup_free_ char *n;
+ _cleanup_free_ char *n = NULL;
char **x;
r = cunescape_length(word, l, 0, &n);
void *userdata) {
_cleanup_free_ char *k = NULL;
- Unit *u = userdata, *slice;
+ Unit *u = userdata, *slice = NULL;
int r;
assert(filename);
assert(u);
r = unit_name_printf(u, rvalue, &k);
- if (r < 0)
- log_syntax(unit, LOG_ERR, filename, line, -r,
- "Failed to resolve unit specifiers on %s. Ignoring.", rvalue);
- if (!k) {
- k = strdup(rvalue);
- if (!k)
- return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue);
+ return 0;
}
r = manager_load_unit(u->manager, k, NULL, NULL, &slice);
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, -r,
- "Failed to load slice unit %s. Ignoring.", k);
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load slice unit %s. Ignoring.", k);
return 0;
}
- if (slice->type != UNIT_SLICE) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Slice unit %s is not a slice. Ignoring.", k);
+ r = unit_set_slice(u, slice);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to assign slice %s to unit %s. Ignoring.", slice->id, u->id);
return 0;
}
- unit_ref_set(&u->slice, slice);
return 0;
}
return 0;
}
-int config_parse_personality(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- unsigned long *personality = data, p;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(personality);
-
- p = personality_from_string(rvalue);
- if (p == PERSONALITY_INVALID) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Failed to parse personality, ignoring: %s", rvalue);
- return 0;
- }
-
- *personality = p;
- return 0;
-}
-
int config_parse_runtime_directory(
const char *unit,
const char *filename,
r = open_follow(&filename, &f, symlink_names, &id);
if (r < 0) {
- free(filename);
- filename = NULL;
-
+ filename = mfree(filename);
if (r != -ENOENT)
return r;
}
r = open_follow(&filename, &f, symlink_names, &id);
if (r < 0) {
- free(filename);
- filename = NULL;
-
+ filename = mfree(filename);
if (r != -ENOENT)
return r;
assert(u->load_state == UNIT_STUB);
assert(u->id);
+ if (u->transient) {
+ u->load_state = UNIT_LOADED;
+ return 0;
+ }
+
/* First, try to find the unit under its id. We always look
* for unit files in the default directories, to make it easy
* to override things by placing things in /etc/systemd/system */
if (r < 0)
return r;
- if (u->load_state == UNIT_STUB) {
+ if (u->load_state == UNIT_STUB)
/* Hmm, this didn't work? Then let's get rid
* of the fragment path stored for us, so that
* we don't point to an invalid location. */
- free(u->fragment_path);
- u->fragment_path = NULL;
- }
+ u->fragment_path = mfree(u->fragment_path);
}
/* Look for a template */
{ config_parse_sysv_priority, "SYSVPRIORITY" },
#endif
{ config_parse_kill_mode, "KILLMODE" },
- { config_parse_kill_signal, "SIGNAL" },
+ { config_parse_signal, "SIGNAL" },
{ config_parse_socket_listen, "SOCKET [...]" },
{ config_parse_socket_bind, "SOCKETBIND" },
{ config_parse_socket_bindtodevice, "NETWORKINTERFACE" },
projects / thirdparty / systemd.git / blobdiff