84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include "sway/config.h"
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#include "sway/security.h"
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#include "log.h"
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struct feature_policy *alloc_feature_policy(const char *program) {
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struct feature_policy *policy = malloc(sizeof(struct feature_policy));
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policy->program = strdup(program);
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policy->features = FEATURE_FULLSCREEN | FEATURE_KEYBOARD | FEATURE_MOUSE | FEATURE_IPC;
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return policy;
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}
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struct command_policy *alloc_command_policy(const char *command) {
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struct command_policy *policy = malloc(sizeof(struct command_policy));
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policy->command = strdup(command);
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policy->context = CONTEXT_ALL;
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return policy;
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}
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enum secure_feature get_feature_policy(pid_t pid) {
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const char *fmt = "/proc/%d/exe";
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int pathlen = snprintf(NULL, 0, fmt, pid);
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char *path = malloc(pathlen + 1);
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snprintf(path, pathlen + 1, fmt, pid);
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static char link[2048];
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enum secure_feature default_policy =
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FEATURE_FULLSCREEN | FEATURE_KEYBOARD | FEATURE_MOUSE;
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ssize_t len = readlink(path, link, sizeof(link));
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if (len < 0) {
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sway_log(L_INFO,
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"WARNING: unable to read %s for security check. Using default policy.",
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path);
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strcpy(link, "*");
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} else {
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link[len] = '\0';
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}
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free(path);
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for (int i = 0; i < config->feature_policies->length; ++i) {
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struct feature_policy *policy = config->feature_policies->items[i];
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if (strcmp(policy->program, "*") == 0) {
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default_policy = policy->features;
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}
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if (strcmp(policy->program, link) == 0) {
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return policy->features;
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}
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}
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return default_policy;
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}
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enum command_context get_command_policy(const char *cmd) {
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enum command_context default_policy = CONTEXT_ALL;
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for (int i = 0; i < config->command_policies->length; ++i) {
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struct command_policy *policy = config->command_policies->items[i];
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if (strcmp(policy->command, cmd) == 0) {
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return policy->context;
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}
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}
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return default_policy;
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}
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const char *command_policy_str(enum command_context context) {
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switch (context) {
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case CONTEXT_ALL:
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return "all";
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case CONTEXT_CONFIG:
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return "config";
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case CONTEXT_BINDING:
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return "binding";
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case CONTEXT_IPC:
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return "IPC";
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case CONTEXT_CRITERIA:
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return "criteria";
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default:
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return "unknown";
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}
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}
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