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Refactor code into resolve_ipc_path

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This commit is contained in:
Jerzi Kaminsky 2017-04-21 14:02:40 +03:00
parent 04c2221190
commit 403dccabce
4 changed files with 29 additions and 30 deletions
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1
include/sway/security.h
View file

@ -15,4 +15,5 @@ struct feature_policy *alloc_feature_policy(const char *program);
struct ipc_policy *alloc_ipc_policy(const char *program);
struct command_policy *alloc_command_policy(const char *command);
char *resolve_ipc_path(const char* program);
#endif

14
sway/commands/ipc.c
View file

@ -18,24 +18,20 @@ struct cmd_results *cmd_ipc(int argc, char **argv) {
if ((error = check_security_config())) {
return error;
}
if (config->reading && strcmp("{", argv[1]) != 0) {
return cmd_results_new(CMD_INVALID, "ipc",
"Expected '{' at start of IPC config definition.");
}
if (!config->reading) {
return cmd_results_new(CMD_FAILURE, "ipc", "Can only be used in config file.");
}
char *program = NULL;
char *program = NULL;
if (!strcmp(argv[0], "*")) {
program = strdup(argv[0]);
} else if (!(program = resolve_path(argv[0]))) {
return cmd_results_new(
CMD_INVALID, "ipc", "Unable to resolve IPC Policy target.");
}
if (!(program = resolve_ipc_path(argv[0]))) {
return cmd_results_new(
CMD_FAILURE, "ipc", "Memory allocation error occured.");
}
current_policy = alloc_ipc_policy(program);
list_add(config->ipc_policies, current_policy);

25
sway/commands/permit.c
View file

@ -50,17 +50,8 @@ struct cmd_results *cmd_permit(int argc, char **argv) {
}
char *program = NULL;
if (!strcmp(argv[0], "*")) {
program = strdup(argv[0]);
} else {
program = resolve_path(argv[0]);
}
if (!program) {
sway_assert(program, "Unable to resolve IPC permit target '%s'."
" will issue empty policy", argv[0]);
assign_perms = false;
program = strdup(argv[0]);
if (!(program = resolve_ipc_path(argv[0]))) {
sway_abort("memory allocation failed");
}
struct feature_policy *policy = get_feature_policy(program);
@ -87,16 +78,8 @@ struct cmd_results *cmd_reject(int argc, char **argv) {
}
char *program = NULL;
if (!strcmp(argv[0], "*")) {
program = strdup(argv[0]);
} else {
program = resolve_path(argv[0]);
}
if (!program) {
// Punt
sway_log(L_INFO, "Unable to resolve IPC reject target '%s'."
" Will use provided path", argv[0]);
program = strdup(argv[0]);
if (!(program = resolve_ipc_path(argv[0]))) {
sway_abort("memory allocation failed");
}
struct feature_policy *policy = get_feature_policy(program);

19
sway/security.c
View file

@ -6,6 +6,7 @@
#include <stdio.h>
#include "sway/config.h"
#include "sway/security.h"
#include "util.h"
#include "log.h"
static bool validate_ipc_target(const char *program) {
@ -222,3 +223,21 @@ const char *command_policy_str(enum command_context context) {
return "unknown";
}
}
/**
* An IPC-specific version of util.c:resolve_path()
* Always returns the "best" path It can unless an ENOMEM occurs ,
* in which case it returns NULL.
*/
char *resolve_ipc_path(const char* name) {
char *program = NULL;
if (!strcmp(name, "*")) {
program = strdup(name);
} else {
program = resolve_path(name);
if (!program) {
program = strdup(name);
}
}
return program;
}