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Skip if container command isn't /sbin/init #8

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Skip if container command isn't /sbin/init #8

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47797a3
Skip if container command isn't /sbin/init
mrunalp Oct 30, 2015
f8b18bd
Check for basename 'init' or 'systemd' else skip hooks
mrunalp Nov 3, 2015
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15 changes: 14 additions & 1 deletion systemdhook.c
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Original file line number Diff line number Diff line change
Expand Up @@ -304,7 +304,19 @@ int main(int argc, char *argv[])
}
char *mount_label = YAJL_GET_STRING(v_mount);

fprintf(stdout, "Mount Label parsed as: %s", mount_label);
const char *cmd_path[] = { "Path", (const char *)0 };
yajl_val v_cmd = yajl_tree_get(config_node, cmd_path, yajl_t_string);
if (!v_cmd) {
fprintf(stderr, "Path not found in config\n");
goto out;
}
char *cmd = YAJL_GET_STRING(v_cmd);

char *cmd_file_name = basename(cmd);
if (strcmp("init", cmd_file_name) && strcmp("systemd", cmd_file_name)) {
fprintf(stdout, "Skipping as container command is %s, not /sbin/init\n", cmd);
goto success;
}

if (!strncmp("prestart", argv[1], sizeof("prestart"))) {
if (prestart(rootfs, id, target_pid, mount_label) != 0) {
Expand All @@ -319,6 +331,7 @@ int main(int argc, char *argv[])
goto out;
}

success:
ret = 0;
out:
yajl_tree_free(node);
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