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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/analyze/analyze-capability.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/analyze/analyze-capability.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/analyze/analyze-capability.c b/src/analyze/analyze-capability.c new file mode 100644 index 0000000..8072175 --- /dev/null +++ b/src/analyze/analyze-capability.c @@ -0,0 +1,56 @@ +/* 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 verb_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); + + r = table_print(table, NULL); + if (r < 0) + return r; + + return EXIT_SUCCESS; +} |