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Refactor IPC target validation

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This commit is contained in:
Jerzi Kaminsky 2017-04-21 02:09:01 +03:00
parent d2de52209e
commit d433c5b5c4
3 changed files with 14 additions and 10 deletions
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2
include/sway/config.h
View file

@ -208,6 +208,7 @@ enum secure_feature {
struct feature_policy {
char *program;
uint32_t features;
bool validated;
};
enum ipc_feature {
@ -235,6 +236,7 @@ enum ipc_feature {
struct ipc_policy {
char *program;
uint32_t features;
bool validated;
};
/**

12
sway/commands/permit.c
View file

@ -49,7 +49,6 @@ struct cmd_results *cmd_permit(int argc, char **argv) {
return error;
}
bool assign_perms = true;
char *program = NULL;
if (!strcmp(argv[0], "*")) {
@ -65,11 +64,14 @@ struct cmd_results *cmd_permit(int argc, char **argv) {
}
struct feature_policy *policy = get_feature_policy(program);
if (assign_perms) {
if (policy->validated) {
policy->features |= get_features(argc, argv, &error);
}
sway_log(L_DEBUG, "Permissions granted to %s for features %d",
policy->program, policy->features);
} else {
sway_log(L_ERROR, "Unable to validate IPC permit target '%s'."
" will issue empty policy", argv[0]);
}
free(program);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
@ -98,6 +100,10 @@ struct cmd_results *cmd_reject(int argc, char **argv) {
}
struct feature_policy *policy = get_feature_policy(program);
if (!policy->validated) {
sway_log(L_ERROR, "Unable to validate IPC reject target '%s'."
" Allowing `reject` directive anyway", argv[0]);
}
policy->features &= ~get_features(argc, argv, &error);
sway_log(L_DEBUG, "Permissions granted to %s for features %d",

8
sway/security.c
View file

@ -45,9 +45,6 @@ static bool validate_ipc_target(const char *program) {
struct feature_policy *alloc_feature_policy(const char *program) {
uint32_t default_policy = 0;
if (!validate_ipc_target(program)) {
return NULL;
}
for (int i = 0; i < config->feature_policies->length; ++i) {
struct feature_policy *policy = config->feature_policies->items[i];
if (strcmp(policy->program, "*") == 0) {
@ -60,6 +57,7 @@ struct feature_policy *alloc_feature_policy(const char *program) {
if (!policy) {
return NULL;
}
policy->validated = validate_ipc_target (program);
policy->program = strdup(program);
if (!policy->program) {
free(policy);
@ -73,9 +71,6 @@ struct feature_policy *alloc_feature_policy(const char *program) {
struct ipc_policy *alloc_ipc_policy(const char *program) {
uint32_t default_policy = 0;
if (!validate_ipc_target(program)) {
return NULL;
}
for (int i = 0; i < config->ipc_policies->length; ++i) {
struct ipc_policy *policy = config->ipc_policies->items[i];
if (strcmp(policy->program, "*") == 0) {
@ -88,6 +83,7 @@ struct ipc_policy *alloc_ipc_policy(const char *program) {
if (!policy) {
return NULL;
}
policy->validated = validate_ipc_target (program);
policy->program = strdup(program);
if (!policy->program) {
free(policy);