diff --git a/include/security.h b/include/security.h index efc25ce66..3a5dbca07 100644 --- a/include/security.h +++ b/include/security.h @@ -3,7 +3,7 @@ #include #include "sway/config.h" -const struct feature_permissions *get_permissions(pid_t pid); -enum command_context get_command_context(const char *cmd); +enum secure_features get_feature_policy(pid_t pid); +enum command_context get_command_policy(const char *cmd); #endif diff --git a/include/sway/config.h b/include/sway/config.h index 3744386cf..14a86e499 100644 --- a/include/sway/config.h +++ b/include/sway/config.h @@ -206,7 +206,6 @@ enum secure_feature { struct feature_policy { char *program; - bool permit; enum secure_feature features; }; diff --git a/include/sway/security.h b/include/sway/security.h new file mode 100644 index 000000000..efc25ce66 --- /dev/null +++ b/include/sway/security.h @@ -0,0 +1,9 @@ +#ifndef _SWAY_SECURITY_H +#define _SWAY_SECURITY_H +#include +#include "sway/config.h" + +const struct feature_permissions *get_permissions(pid_t pid); +enum command_context get_command_context(const char *cmd); + +#endif diff --git a/sway/CMakeLists.txt b/sway/CMakeLists.txt index bb9ea81ff..9349c30d7 100644 --- a/sway/CMakeLists.txt +++ b/sway/CMakeLists.txt @@ -35,6 +35,7 @@ add_executable(sway output.c workspace.c border.c + security.c ) add_definitions( diff --git a/sway/security.c b/sway/security.c new file mode 100644 index 000000000..c72d54f63 --- /dev/null +++ b/sway/security.c @@ -0,0 +1,54 @@ +#include +#include +#include "sway/config.h" +#include "sway/security.h" +#include "log.h" + +enum secure_feature get_feature_policy(pid_t pid) { + const char *fmt = "/proc/%d/exe"; + int pathlen = snprintf(NULL, 0, fmt, pid); + char *path = malloc(pathlen + 1); + snprintf(path, pathlen + 1, fmt, pid); + static char link[2048]; + + enum secure_feature default_policy = + FEATURE_FULLSCREEN | FEATURE_KEYBOARD | FEATURE_MOUSE; + + ssize_t len = readlink(path, link, sizeof(link)); + if (len < 0) { + sway_log(L_INFO, + "WARNING: unable to read %s for security check. Using default policy.", + path); + strcpy(link, "*"); + } else { + link[len] = '\0'; + } + + for (int i = 0; i < config->feature_policies->length; ++i) { + struct feature_policy *policy = config->feature_policies->items[i]; + if (strcmp(policy->program, "*")) { + default_policy = policy->features; + } + if (strcmp(policy->program, link) == 0) { + return policy->features; + } + } + + return default_policy; +} + +enum command_context get_command_policy(const char *cmd) { + enum command_context default_policy = CONTEXT_ALL; + + for (int i = 0; i < config->command_policies->length; ++i) { + struct command_policy *policy = config->command_policies->items[i]; + if (strcmp(policy->command, "*")) { + default_policy = policy->context; + } + if (strcmp(policy->command, cmd) == 0) { + return policy->context; + } + } + + return default_policy; +}