/* * ======================================================================== * Copyright 2006-2007 University of Washington * Copyright 2013-2022 Eduardo Chappa * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * ======================================================================== */ #include #include "../charconv/utf8.h" #include "../charconv/filesys.h" #include "creatdir.h" #ifdef S_IRWXU #define MAILDIR_MODE S_IRWXU #else #define MAILDIR_MODE 0700 #endif /*---------------------------------------------------------------------- Create the mail subdirectory. Args: dir -- Name of the directory to create Result: Directory is created. Returns 0 on success, else -1 on error and errno is valid. ----*/ int create_mail_dir(char *dir) { if(our_mkdir(dir, MAILDIR_MODE) < 0) return(-1); #ifndef _WINDOWS our_chmod(dir, MAILDIR_MODE); /* Some systems need this, on others we don't care if it fails */ our_chown(dir, getuid(), getgid()); #endif /* !_WINDOWS */ return(0); } /*---------------------------------------------------------------------- Create random directory Args: dir -- Name of the directory that contains the random directory len -- size of dir. Result: Directory is created. Returns 0 on success, else -1 on error and errno is valid. ----*/ int create_random_dir(char *dir, size_t len) { size_t olen, dlen = strlen(dir); olen = dlen; /* save original length */ if(dir[dlen-1] != C_FILESEP){ dir[dlen++] = C_FILESEP; dir[dlen] = '\0'; } if(dlen + 6 < len) strcat(dir, "XXXXXX"); else{ dir[olen] = '\0'; return -1; } #ifndef _WINDOWS dir = mkdtemp(dir); our_chmod(dir, MAILDIR_MODE); /* Some systems need this, on others we don't care if it fails */ our_chown(dir, getuid(), getgid()); #else { int i; char *s = &dir[strlen(dir) - 6]; for(i = 0; i < 10; i++){ sprintf(s, "%02x%02x%02x", (unsigned int)(random() % 256), (unsigned int)(random() % 256), (unsigned int)(random() % 256)); if(our_mkdir(dir, 0700) == 0) return dir; } *dir = '\0'; /* if we are here, we failed! */ } #endif /* !_WINDOWS */ return(0); }