124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
/* $Id$ */
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/* Copyright (c) 2013 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Desktop Mailer */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <dirent.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <dlfcn.h>
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#include "Mailer/plugin.h"
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/* private */
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/* prototypes */
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static int _plugins(void);
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static int _dlerror(char const * message, int ret);
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static int _error(char const * message, char const * error, int ret);
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static int _perror(char const * message, int ret);
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/* functions */
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/* plugins */
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static int _plugins(void)
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{
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int ret = 0;
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const char path[] = "../src/plugins";
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#ifdef __APPLE__
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const char ext[] = ".dylib";
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#else
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const char ext[] = ".so";
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#endif
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DIR * dir;
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struct dirent * de;
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size_t len;
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char * s;
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void * p;
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MailerPluginDefinition * mpd;
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if((dir = opendir(path)) == NULL)
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return -_perror(path, 1);
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while((de = readdir(dir)) != NULL)
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{
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if((len = strlen(de->d_name)) < sizeof(ext))
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continue;
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if(strcmp(&de->d_name[len - sizeof(ext) + 1], ext) != 0)
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continue;
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if((s = malloc(sizeof(path) + len + 1)) == NULL)
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{
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ret += _perror(de->d_name, 1);
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continue;
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}
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snprintf(s, sizeof(path) + len + 1, "%s/%s", path, de->d_name);
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if((p = dlopen(s, RTLD_LAZY)) == NULL)
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{
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ret += _dlerror(s, 1);
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free(s);
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continue;
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}
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if((mpd = dlsym(p, "plugin")) == NULL)
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ret += _dlerror(s, 1);
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else if(mpd->icon == NULL)
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ret += _error(s, "No icon defined", 1);
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else
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printf("\n%s: %s (%s)\n%s\n", de->d_name, mpd->name,
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mpd->icon, (mpd->description != NULL)
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? mpd->description
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: "(no description)");
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free(s);
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dlclose(p);
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}
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closedir(dir);
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return ret;
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}
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/* dlerror */
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static int _dlerror(char const * message, int ret)
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{
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fputs("plugins: ", stderr);
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fprintf(stderr, "%s: %s\n", message, dlerror());
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return ret;
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}
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/* error */
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static int _error(char const * message, char const * error, int ret)
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{
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fputs("plugins: ", stderr);
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fprintf(stderr, "%s: %s\n", message, error);
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return ret;
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}
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/* perror */
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static int _perror(char const * message, int ret)
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{
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fputs("plugins: ", stderr);
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perror(message);
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return ret;
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}
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/* public */
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/* functions */
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/* main */
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int main(void)
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{
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return (_plugins() == 0) ? 0 : 2;
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}
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