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Fixes: #1177 Signed-off-by: Sohan Kunkerkar <sohank2602@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| /* | ||
| * 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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| void | ||
| addStringToJSON(yajl_gen jsonGen, const char *key, const char *value) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) key, strlen(key)); | ||
| yajl_gen_string(jsonGen, (const unsigned char *) value, strlen(value)); | ||
| } | ||
|
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| void | ||
| addBoolToJSON(yajl_gen jsonGen, const char *key, int value) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) key, strlen(key)); | ||
| yajl_gen_bool(jsonGen, value); | ||
| } | ||
|
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| void | ||
| addArrayToJSON(yajl_gen jsonGen, const char *key, const char **array) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) key, strlen(key)); | ||
| yajl_gen_array_open(jsonGen); | ||
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| for (size_t i = 0; array[i] != NULL; i++) { | ||
| yajl_gen_string(jsonGen, (const unsigned char *) array[i], strlen(array[i])); | ||
| } | ||
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| yajl_gen_array_close(jsonGen); | ||
| } | ||
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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 | ||
| addArrayToJSON(jsonGen, "hooks", info.hooks); | ||
| // Add mountOptions array | ||
| addArrayToJSON(jsonGen, "mountOptions", info.mountOptions); | ||
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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 | ||
| addArrayToJSON(jsonGen, "namespaces", info.linux.namespaces); | ||
| // Add capabilities array | ||
| addArrayToJSON(jsonGen, "capabilities", info.linux.capabilities); | ||
|
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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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| addBoolToJSON(jsonGen, "v1", info.linux.cgroup.v1); | ||
| addBoolToJSON(jsonGen, "v2", info.linux.cgroup.v2); | ||
| addBoolToJSON(jsonGen, "systemd", info.linux.cgroup.systemd); | ||
| addBoolToJSON(jsonGen, "systemdUser", info.linux.cgroup.systemdUser); | ||
|
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| // Close the map for cgroup | ||
| 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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| // Close the map for seccomp | ||
| yajl_gen_map_close(jsonGen); | ||
|
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| // Generate "apparmor" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "apparmor", strlen("apparmor")); | ||
| yajl_gen_map_open(jsonGen); | ||
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| addBoolToJSON(jsonGen, "enabled", info.linux.apparmor.enabled); | ||
|
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| // Close the map for apparmor | ||
| yajl_gen_map_close(jsonGen); | ||
|
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| // Generate "selinux" field | ||
| yajl_gen_string(jsonGen, (const unsigned char *) "selinux", strlen("selinux")); | ||
| yajl_gen_map_open(jsonGen); | ||
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| addBoolToJSON(jsonGen, "enabled", info.linux.selinux.enabled); | ||
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| // Close the map for selinux | ||
| yajl_gen_map_close(jsonGen); | ||
|
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| // Close the map for linux | ||
| yajl_gen_map_close(jsonGen); | ||
|
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| // End building the JSON | ||
| yajl_gen_map_close(jsonGen); | ||
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| const unsigned char *jsonString; | ||
| size_t jsonLength; | ||
| yajl_gen_get_buf(jsonGen, &jsonString, &jsonLength); | ||
|
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| printf("%s", (const char *) jsonString); | ||
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| 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 <giuseppe@scrivano.org> | ||
| * 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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