117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
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#include <dirent.h>
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include "../sxmo-dwm/dwm_plugin.h"
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static const char *const kPluginDirs[] = {
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"/home/user/.local/lib/dwm/plugins",
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"/usr/lib/dwm/plugins",
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NULL
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};
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static const char *resolve_plugin_name_from_argv0(const char *argv0) {
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const char *base = strrchr(argv0, '/');
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base = base ? (base + 1) : argv0;
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if (strcasecmp(base, "xdrawer") == 0) {
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return "xdrawer";
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}
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if (strcasecmp(base, "xdialer") == 0 || strcasecmp(base, "dialer") == 0) {
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return "dialer";
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}
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if (strcasecmp(base, "xcalllog") == 0 || strcasecmp(base, "calllog") == 0) {
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return "calllog";
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}
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return NULL;
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}
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static int list_plugins(void) {
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for (int i = 0; kPluginDirs[i]; ++i) {
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DIR *dir = opendir(kPluginDirs[i]);
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if (!dir) {
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continue;
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}
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struct dirent *ent;
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while ((ent = readdir(dir)) != NULL) {
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size_t len = strlen(ent->d_name);
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if (len <= 3 || strcmp(ent->d_name + len - 3, ".so") != 0) {
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continue;
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}
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char path[512];
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snprintf(path, sizeof(path), "%s/%s", kPluginDirs[i], ent->d_name);
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void *h = dlopen(path, RTLD_NOW | RTLD_LOCAL);
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if (!h) {
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continue;
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}
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const DwmPlugin *plug = (const DwmPlugin *)dlsym(h, DWM_PLUGIN_ENTRY_SYMBOL);
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if (plug && plug->api_version == DWM_PLUGIN_API_VERSION && plug->name) {
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printf("%-12s %s (%s)\n",
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plug->name,
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plug->description ? plug->description : "",
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path);
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}
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dlclose(h);
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}
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closedir(dir);
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}
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return 0;
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}
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int main(int argc, char **argv) {
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const char *plugin_name = resolve_plugin_name_from_argv0(argv[0]);
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int sub_argc = argc;
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char **sub_argv = argv;
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if (!plugin_name) {
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if (argc < 2 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0) {
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fprintf(stderr, "Usage: %s <plugin-name|--list> [args...]\n", argv[0]);
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return 1;
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}
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if (strcmp(argv[1], "--list") == 0 || strcmp(argv[1], "-l") == 0) {
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return list_plugins();
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}
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plugin_name = argv[1];
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sub_argc = argc - 1;
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sub_argv = argv + 1;
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}
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const char *env_dir = getenv("DWM_PLUGIN_PATH");
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char path[512];
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void *handle = NULL;
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if (env_dir && env_dir[0]) {
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snprintf(path, sizeof(path), "%s/%s.so", env_dir, plugin_name);
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if (access(path, R_OK) == 0) {
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handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
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}
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}
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for (int i = 0; !handle && kPluginDirs[i]; ++i) {
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snprintf(path, sizeof(path), "%s/%s.so", kPluginDirs[i], plugin_name);
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if (access(path, R_OK) == 0) {
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handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
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}
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}
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if (!handle) {
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fprintf(stderr, "dwm-plugin: failed to load plugin '%s': %s\n",
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plugin_name, dlerror());
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return 1;
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}
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const DwmPlugin *plug = (const DwmPlugin *)dlsym(handle, DWM_PLUGIN_ENTRY_SYMBOL);
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if (!plug || plug->api_version != DWM_PLUGIN_API_VERSION || !plug->run_main) {
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fprintf(stderr, "dwm-plugin: invalid plugin '%s'\n", plugin_name);
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dlclose(handle);
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return 1;
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}
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int rc = plug->run_main(sub_argc, sub_argv);
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dlclose(handle);
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return rc;
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}
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