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Fixes: #1177 Signed-off-by: Sohan Kunkerkar <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,191 @@ | ||
| /* | ||
| * crun - OCI runtime written in C | ||
| * | ||
| * crun is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * crun is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with crun. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
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| #include <config.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <argp.h> | ||
| #include <string.h> | ||
| #include <unistd.h> | ||
| #include <errno.h> | ||
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| #include <yajl/yajl_tree.h> | ||
| #include <yajl/yajl_gen.h> | ||
|
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| #include "crun.h" | ||
| #include "libcrun/container.h" | ||
| #include "libcrun/utils.h" | ||
|
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| static char doc[] = "OCI runtime"; | ||
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| static struct argp_option options[] = { {0} }; | ||
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| static char args_doc[] = "features"; | ||
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| static error_t | ||
| parse_opt (int key, char *arg arg_unused, struct argp_state *state arg_unused) | ||
| { | ||
| if (key != ARGP_KEY_NO_ARGS) { | ||
| return ARGP_ERR_UNKNOWN; | ||
| } | ||
|
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| return 0; | ||
| } | ||
|
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| static struct argp run_argp = { options, parse_opt, args_doc, doc, NULL, NULL, NULL }; | ||
|
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| int crun_command_features(struct crun_global_arguments *global_args, int argc, char **argv, libcrun_error_t *err) { | ||
| argp_parse(&run_argp, argc, argv, 0, 0, &options); | ||
|
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| // Call the function in features.c to gather the feature information | ||
| struct features_info_s info; | ||
| int result = libcrun_container_print_features(&info); | ||
| if (result != 0) { | ||
| libcrun_make_error(err, result, "Failed to gather features information."); | ||
| return result; | ||
| } | ||
|
|
||
| // Prepare the JSON output | ||
| yajl_gen jsonGen = yajl_gen_alloc(NULL); | ||
| yajl_gen_status status; | ||
|
|
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| yajl_gen_config(jsonGen, yajl_gen_beautify, 1); // Optional: Enable pretty formatting | ||
|
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| // Start building the JSON | ||
| yajl_gen_map_open(jsonGen); | ||
|
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| // Add ociVersionMin field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "ociVersionMin", strlen("ociVersionMin")); | ||
| yajl_gen_string(jsonGen, (const unsigned char *) info.ociVersionMin, strlen(info.ociVersionMin)); | ||
|
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||
| // Add ociVersionMax field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "ociVersionMax", strlen("ociVersionMax")); | ||
| yajl_gen_string(jsonGen, (const unsigned char *) info.ociVersionMax, strlen(info.ociVersionMax)); | ||
|
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||
| // Add hooks array | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "hooks", strlen("hooks")); | ||
| yajl_gen_array_open(jsonGen); | ||
|
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||
| for (size_t i = 0; info.hooks[i] != NULL; i++) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) info.hooks[i], strlen(info.hooks[i])); | ||
| } | ||
|
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| yajl_gen_array_close(jsonGen); | ||
|
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| // Add mountOptions array | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "mountOptions", strlen("mountOptions")); | ||
| yajl_gen_array_open(jsonGen); | ||
|
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| for (size_t i = 0; info.mountOptions[i] != NULL; i++) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) info.mountOptions[i], strlen(info.mountOptions[i])); | ||
| } | ||
|
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| yajl_gen_array_close(jsonGen); | ||
|
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| yajl_gen_string(jsonGen, (const unsigned char *) "linux", strlen("linux")); | ||
| yajl_gen_map_open(jsonGen); | ||
|
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| // Add namespaces array | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "namespaces", strlen("namespaces")); | ||
| yajl_gen_array_open(jsonGen); | ||
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| for (size_t i = 0; info.linux.namespaces[i] != NULL; i++) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) info.linux.namespaces[i], strlen(info.linux.namespaces[i])); | ||
| } | ||
|
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| yajl_gen_array_close(jsonGen); | ||
|
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| // Add capabilities array | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "capabilities", strlen("capabilities")); | ||
| yajl_gen_array_open(jsonGen); | ||
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| for (size_t i = 0; info.linux.capabilities[i] != NULL; i++) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) info.linux.capabilities[i], strlen(info.linux.capabilities[i])); | ||
| } | ||
|
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| yajl_gen_array_close(jsonGen); | ||
|
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||
| // Generate the "cgroup" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "cgroup", strlen("cgroup")); | ||
| yajl_gen_map_open(jsonGen); | ||
|
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||
| // Generate the "v1" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "v1", strlen("v1")); | ||
| yajl_gen_bool(jsonGen, info.linux.cgroup.v1); | ||
|
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| // Generate the "v2" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "v2", strlen("v2")); | ||
| yajl_gen_bool(jsonGen, info.linux.cgroup.v2); | ||
|
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| // Generate the "systemd" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "systemd", strlen("systemd")); | ||
| yajl_gen_bool(jsonGen, info.linux.cgroup.systemd); | ||
|
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| // Generate the "systemdUser" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "systemdUser", strlen("systemdUser")); | ||
| yajl_gen_bool(jsonGen, info.linux.cgroup.systemdUser); | ||
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| yajl_gen_map_close(jsonGen); | ||
|
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| // Add seccomp field with TODO comment | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "seccomp", strlen("seccomp")); | ||
| yajl_gen_map_open(jsonGen); | ||
|
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| yajl_gen_string(jsonGen, (const unsigned char *) "/* TODO: */", strlen("/* TODO: */")); | ||
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| yajl_gen_map_close(jsonGen); | ||
|
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| // Generate the "apparmor" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "apparmor", strlen("apparmor")); | ||
| yajl_gen_map_open(jsonGen); | ||
|
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| // Generate the "enabled" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "enabled", strlen("enabled")); | ||
| yajl_gen_bool(jsonGen, info.linux.apparmor.enabled); | ||
|
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| yajl_gen_map_close(jsonGen); | ||
|
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| // Generate the "selinux" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "selinux", strlen("selinux")); | ||
| yajl_gen_map_open(jsonGen); | ||
|
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| // Generate the "enabled" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "enabled", strlen("enabled")); | ||
| yajl_gen_bool(jsonGen, info.linux.selinux.enabled); | ||
|
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| yajl_gen_map_close(jsonGen); | ||
|
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| // End for linux build | ||
| yajl_gen_map_close(jsonGen); | ||
|
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| // End building the JSON | ||
| yajl_gen_map_close(jsonGen); | ||
|
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| // Get the JSON as a string | ||
| const unsigned char *jsonString; | ||
| size_t jsonLength; | ||
| yajl_gen_get_buf(jsonGen, &jsonString, &jsonLength); | ||
|
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| // Print the JSON output to stdout | ||
| printf("%s", (const char *)jsonString); | ||
|
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| // Clean up | ||
| yajl_gen_free(jsonGen); | ||
|
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||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* | ||
| * crun - OCI runtime written in C | ||
| * | ||
| * Copyright (C) 2017, 2018, 2019 Giuseppe Scrivano <[email protected]> | ||
| * crun is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * crun is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with crun. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| #ifndef FEATURES_H | ||
| #define FEATURES_H | ||
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| #include "crun.h" | ||
|
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| int crun_command_features (struct crun_global_arguments *global_args, int argc, char **argv, libcrun_error_t *error); | ||
|
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| #endif |
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