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-rw-r--r--src/basic/parse-util.c18
-rw-r--r--src/basic/parse-util.h2
-rw-r--r--src/basic/process-util.h5
-rw-r--r--src/core/dbus-execute.c2
-rw-r--r--src/core/load-fragment.c32
-rw-r--r--src/run/run.c8
-rw-r--r--src/shared/bus-unit-util.c12
-rw-r--r--src/test/test-parse-util.c29
8 files changed, 78 insertions, 30 deletions
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index 11849ade0b..c98815b9bc 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -29,6 +29,7 @@
#include "extract-word.h"
#include "macro.h"
#include "parse-util.h"
+#include "process-util.h"
#include "string-util.h"
int parse_boolean(const char *v) {
@@ -551,10 +552,25 @@ int parse_percent_unbounded(const char *p) {
}
int parse_percent(const char *p) {
- int v = parse_percent_unbounded(p);
+ int v;
+ v = parse_percent_unbounded(p);
if (v > 100)
return -ERANGE;
return v;
}
+
+int parse_nice(const char *p, int *ret) {
+ int n, r;
+
+ r = safe_atoi(p, &n);
+ if (r < 0)
+ return r;
+
+ if (!nice_is_valid(n))
+ return -ERANGE;
+
+ *ret = n;
+ return 0;
+}
diff --git a/src/basic/parse-util.h b/src/basic/parse-util.h
index f0fa5f9752..461e1cd4d8 100644
--- a/src/basic/parse-util.h
+++ b/src/basic/parse-util.h
@@ -108,3 +108,5 @@ int parse_fractional_part_u(const char **s, size_t digits, unsigned *res);
int parse_percent_unbounded(const char *p);
int parse_percent(const char *p);
+
+int parse_nice(const char *p, int *ret);
diff --git a/src/basic/process-util.h b/src/basic/process-util.h
index 9f75088796..2568e3834f 100644
--- a/src/basic/process-util.h
+++ b/src/basic/process-util.h
@@ -26,6 +26,7 @@
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
+#include <sys/resource.h>
#include "formats-util.h"
#include "macro.h"
@@ -103,3 +104,7 @@ int sched_policy_from_string(const char *s);
void valgrind_summary_hack(void);
int pid_compare_func(const void *a, const void *b);
+
+static inline bool nice_is_valid(int n) {
+ return n >= PRIO_MIN && n < PRIO_MAX;
+}
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c
index 9c50cd93e5..346c8b973e 100644
--- a/src/core/dbus-execute.c
+++ b/src/core/dbus-execute.c
@@ -935,7 +935,7 @@ int bus_exec_context_set_transient_property(
if (r < 0)
return r;
- if (n < PRIO_MIN || n >= PRIO_MAX)
+ if (!nice_is_valid(n))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range");
if (mode != UNIT_CHECK) {
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index d5f035b67f..420f368689 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -491,16 +491,17 @@ int config_parse_socket_bind(const char *unit,
return 0;
}
-int config_parse_exec_nice(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 config_parse_exec_nice(
+ 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) {
ExecContext *c = data;
int priority, r;
@@ -510,14 +511,13 @@ int config_parse_exec_nice(const char *unit,
assert(rvalue);
assert(data);
- r = safe_atoi(rvalue, &priority);
+ r = parse_nice(rvalue, &priority);
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse nice priority, ignoring: %s", rvalue);
- return 0;
- }
+ if (r == -ERANGE)
+ log_syntax(unit, LOG_ERR, filename, line, r, "Nice priority out of range, ignoring: %s", rvalue);
+ else
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse nice priority, ignoring: %s", rvalue);
- if (priority < PRIO_MIN || priority >= PRIO_MAX) {
- log_syntax(unit, LOG_ERR, filename, line, 0, "Nice priority out of range, ignoring: %s", rvalue);
return 0;
}
diff --git a/src/run/run.c b/src/run/run.c
index 58fa49a4d1..1917ffd857 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -257,11 +257,9 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_NICE:
- r = safe_atoi(optarg, &arg_nice);
- if (r < 0 || arg_nice < PRIO_MIN || arg_nice >= PRIO_MAX) {
- log_error("Failed to parse nice value");
- return -EINVAL;
- }
+ r = parse_nice(optarg, &arg_nice);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse nice value: %s", optarg);
arg_nice_set = true;
break;
diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index 589f9d46e9..c3a5233532 100644
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -366,15 +366,13 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
}
} else if (streq(field, "Nice")) {
- int32_t i;
+ int n;
- r = safe_atoi32(eq, &i);
- if (r < 0) {
- log_error("Failed to parse %s value %s.", field, eq);
- return -EINVAL;
- }
+ r = parse_nice(eq, &n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse nice value: %s", eq);
- r = sd_bus_message_append(m, "v", "i", i);
+ r = sd_bus_message_append(m, "v", "i", (int32_t) n);
} else if (STR_IN_SET(field, "Environment", "PassEnvironment")) {
const char *p;
diff --git a/src/test/test-parse-util.c b/src/test/test-parse-util.c
index 097c464229..d08014100b 100644
--- a/src/test/test-parse-util.c
+++ b/src/test/test-parse-util.c
@@ -498,6 +498,34 @@ static void test_parse_percent_unbounded(void) {
assert_se(parse_percent_unbounded("400%") == 400);
}
+static void test_parse_nice(void) {
+ int n;
+
+ assert_se(parse_nice("0", &n) >= 0 && n == 0);
+ assert_se(parse_nice("+0", &n) >= 0 && n == 0);
+ assert_se(parse_nice("-1", &n) >= 0 && n == -1);
+ assert_se(parse_nice("-2", &n) >= 0 && n == -2);
+ assert_se(parse_nice("1", &n) >= 0 && n == 1);
+ assert_se(parse_nice("2", &n) >= 0 && n == 2);
+ assert_se(parse_nice("+1", &n) >= 0 && n == 1);
+ assert_se(parse_nice("+2", &n) >= 0 && n == 2);
+ assert_se(parse_nice("-20", &n) >= 0 && n == -20);
+ assert_se(parse_nice("19", &n) >= 0 && n == 19);
+ assert_se(parse_nice("+19", &n) >= 0 && n == 19);
+
+
+ assert_se(parse_nice("", &n) == -EINVAL);
+ assert_se(parse_nice("-", &n) == -EINVAL);
+ assert_se(parse_nice("+", &n) == -EINVAL);
+ assert_se(parse_nice("xx", &n) == -EINVAL);
+ assert_se(parse_nice("-50", &n) == -ERANGE);
+ assert_se(parse_nice("50", &n) == -ERANGE);
+ assert_se(parse_nice("+50", &n) == -ERANGE);
+ assert_se(parse_nice("-21", &n) == -ERANGE);
+ assert_se(parse_nice("20", &n) == -ERANGE);
+ assert_se(parse_nice("+20", &n) == -ERANGE);
+}
+
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
@@ -513,6 +541,7 @@ int main(int argc, char *argv[]) {
test_safe_atod();
test_parse_percent();
test_parse_percent_unbounded();
+ test_parse_nice();
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-09 07:46:34 +0000