analyze: split out "capability" verb

This commit is contained in:
Lennart Poettering
2022-02-21 17:22:23 +01:00
parent 73cb64c44d
commit 6488e8443b
4 changed files with 59 additions and 45 deletions
+52
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@@ -0,0 +1,52 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "analyze.h"
#include "analyze-capability.h"
#include "cap-list.h"
#include "capability-util.h"
#include "format-table.h"
int dump_capabilities(int argc, char *argv[], void *userdata) {
_cleanup_(table_unrefp) Table *table = NULL;
unsigned last_cap;
int r;
table = table_new("name", "number");
if (!table)
return log_oom();
(void) table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
/* Determine the maximum of the last cap known by the kernel and by us */
last_cap = MAX((unsigned) CAP_LAST_CAP, cap_last_cap());
if (strv_isempty(strv_skip(argv, 1)))
for (unsigned c = 0; c <= last_cap; c++) {
r = table_add_many(table,
TABLE_STRING, capability_to_name(c) ?: "cap_???",
TABLE_UINT, c);
if (r < 0)
return table_log_add_error(r);
}
else {
for (int i = 1; i < argc; i++) {
int c;
c = capability_from_name(argv[i]);
if (c < 0 || (unsigned) c > last_cap)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Capability \"%s\" not known.", argv[i]);
r = table_add_many(table,
TABLE_STRING, capability_to_name(c) ?: "cap_???",
TABLE_UINT, (unsigned) c);
if (r < 0)
return table_log_add_error(r);
}
(void) table_set_sort(table, (size_t) 1);
}
pager_open(arg_pager_flags);
return table_print(table, NULL);
}
+4
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@@ -0,0 +1,4 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int dump_capabilities(int argc, char *argv[], void *userdata);
+1 -45
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@@ -14,6 +14,7 @@
#include "alloc-util.h"
#include "analyze.h"
#include "analyze-calendar.h"
#include "analyze-capability.h"
#include "analyze-condition.h"
#include "analyze-dot.h"
#include "analyze-dump.h"
@@ -1312,51 +1313,6 @@ static int dump_unit_paths(int argc, char *argv[], void *userdata) {
return 0;
}
static int dump_capabilities(int argc, char *argv[], void *userdata) {
_cleanup_(table_unrefp) Table *table = NULL;
unsigned last_cap;
int r;
table = table_new("name", "number");
if (!table)
return log_oom();
(void) table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
/* Determine the maximum of the last cap known by the kernel and by us */
last_cap = MAX((unsigned) CAP_LAST_CAP, cap_last_cap());
if (strv_isempty(strv_skip(argv, 1)))
for (unsigned c = 0; c <= last_cap; c++) {
r = table_add_many(table,
TABLE_STRING, capability_to_name(c) ?: "cap_???",
TABLE_UINT, c);
if (r < 0)
return table_log_add_error(r);
}
else {
for (int i = 1; i < argc; i++) {
int c;
c = capability_from_name(argv[i]);
if (c < 0 || (unsigned) c > last_cap)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Capability \"%s\" not known.", argv[i]);
r = table_add_many(table,
TABLE_STRING, capability_to_name(c) ?: "cap_???",
TABLE_UINT, (unsigned) c);
if (r < 0)
return table_log_add_error(r);
}
(void) table_set_sort(table, (size_t) 1);
}
pager_open(arg_pager_flags);
return table_print(table, NULL);
}
void time_parsing_hint(const char *p, bool calendar, bool timestamp, bool timespan) {
if (calendar && calendar_spec_from_string(p, NULL) >= 0)
log_notice("Hint: this expression is a valid calendar specification. "
+2
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@@ -3,6 +3,8 @@
systemd_analyze_sources = files('''
analyze-calendar.c
analyze-calendar.h
analyze-capability.c
analyze-capability.h
analyze-condition.c
analyze-condition.h
analyze-dot.c