/************************************************************************* * (C) 2010 AITNET ltd - Sofia/Bulgaria - * by Michael Pounov * * $Author: misho $ * $Id: dir.c,v 1.5 2014/02/04 16:58:17 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria Copyright 2004 - 2014 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by Michael Pounov ELWIX - Embedded LightWeight unIX and its contributors. 4. Neither the name of AITNET nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "global.h" static int func_comp(struct tagDirName const *d1, struct tagDirName const *d2) { return d1->tag - d2->tag; } static struct tagDirName * find_tag(int const * __restrict tags, struct tagDirName const * __restrict l, u_short t, u_int hash) { struct tagDirName *find = NULL; register int i; /* search in index tags */ if (tags[t] != -1 && l[tags[t]].tag == t) { /* search in sorted hashes */ for (i = 0; l[tags[t] + i].tag == t; i++) if (l[tags[t] + i].hash == hash) { /* finded & marked for delete! */ find = (struct tagDirName*) &l[tags[t] + i]; find->ch = DIFF_D0; break; } } return find; } static int * create_tags() { int *tags; tags = e_calloc(TABLESIZ, sizeof(int)); if (!tags) { LOGERR; } else memset(tags, -1, TABLESIZ * sizeof(int)); return tags; } static int create_diridx(const char *csDir, int lm, int *tags, struct tagDirName **list) { struct tagDirName *l = *list; DIR *dir; struct dirent d, *pd; int n; char szStr[STRSIZ], szType[STRSIZ], *old; struct stat sb; register int i; l = e_malloc(sizeof(struct tagDirName)); if (!l) { LOGERR; *list = NULL; return -1; } else { n = 0; memset(l, 0, sizeof(struct tagDirName)); } old = getcwd(NULL, 0); if (chdir(csDir) == -1) { LOGERR; e_free(old); e_free(l); *list = NULL; return -1; } dir = opendir("."); if (!dir) { LOGERR; chdir(old); e_free(old); e_free(l); *list = NULL; return -1; } while (!readdir_r(dir, &d, &pd) && pd) { if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, ".."))) continue; l = e_realloc(l, sizeof(struct tagDirName) * (n + 2)); if (!l) { LOGERR; chdir(old); e_free(old); e_free(l); *list = NULL; closedir(dir); return -1; } else memset(&l[n + 1], 0, sizeof(struct tagDirName)); l[n].ch = DIFF_D1; l[n].tag = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2); l[n].hash = crcAdler((u_char*) d.d_name, d.d_namlen); strlcpy(l[n].name, d.d_name, sizeof l[n].name); if (lm & 1) { if (lstat(d.d_name, &sb) != -1) { memset(szStr, 0, sizeof szStr); #if defined(__OpenBSD__) strftime(szStr, sizeof szStr, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtim)); #else strftime(szStr, sizeof szStr, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtime)); #endif switch (d.d_type) { case DT_FIFO: strlcpy(szType, "fifo", sizeof szType); break; case DT_CHR: strlcpy(szType, "char", sizeof szType); break; case DT_DIR: strlcpy(szType, "dir", sizeof szType); break; case DT_BLK: strlcpy(szType, "block", sizeof szType); break; case DT_REG: strlcpy(szType, "file", sizeof szType); break; case DT_LNK: strlcpy(szType, "link", sizeof szType); break; case DT_SOCK: strlcpy(szType, "socket", sizeof szType); break; /* OpenBSD does not have this type */ #ifdef DT_WHT case DT_WHT: strlcpy(szType, "wht", sizeof szType); break; #endif case DT_UNKNOWN: default: strlcpy(szType, "unknown", sizeof szType); break; } snprintf(l[n].extra, sizeof l[n].extra, "%s links=%d inode=%ld %d:%d perm=0%o size=%ld %s", szType, sb.st_nlink, (long) sb.st_ino, sb.st_uid, sb.st_gid, sb.st_mode & 0x1fff, (long) sb.st_size, szStr); } } n++; } closedir(dir); qsort(l, n, sizeof(struct tagDirName), (int (*)(const void*, const void*)) func_comp); for (i = n - 1; i > -1; i--) tags[l[i].tag] = i; chdir(old); e_free(old); *list = l; return n; } /* ------------------------------------------------------ */ /* * sync_dirChkSum() - Calculate checksum of directory * * @csDir = Directory * @md = Message digest allocated memory, must be e_free() after use! * return: -1 error or !=-1 ok */ int sync_dirChkSum(const char *csDir, u_char **md) { DIR *dir; struct dirent d, *pd; MD5_CTX ctx; register int ret = 0; *md = e_malloc(MD5_DIGEST_LENGTH); if (!*md) { LOGERR; return -1; } else memset(*md, 0, MD5_DIGEST_LENGTH); dir = opendir(csDir); if (!dir) { LOGERR; e_free(*md); return -1; } MD5_Init(&ctx); while (!readdir_r(dir, &d, &pd) && pd) { if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, ".."))) continue; MD5_Update(&ctx, d.d_name, d.d_namlen); ret++; } MD5_Final(*md, &ctx); closedir(dir); return ret; } /* * sync_dircmp() - Compare directories * * @csDir1 = Directory 1 * @csDir2 = Directory 2 * return: -1 error, 0 is equal or 1 different */ int sync_dircmp(const char *csDir1, const char *csDir2) { u_char *md[2] = { NULL, NULL }; int ret = -1; if (!csDir1 || !csDir2) return ret; if (sync_dirChkSum(csDir1, &md[0]) == -1) return ret; if (sync_dirChkSum(csDir2, &md[1]) == -1) { e_free(md[0]); return ret; } if (!memcmp(md[0], md[1], MD5_DIGEST_LENGTH)) ret = 0; else ret = 1; e_free(md[1]); e_free(md[0]); return ret; } /* * sync_dircmpList() - Compare directories or directory and file list * * @csDir1 = Directory 1 * @csDir2 = Directory 2 or File list, if "-" get input from console * @lm = Long mode options, !=NULL long output * @list = Output diff list, after use must be e_free()! * return: -1 error, 0 is equal or >0 count of returned list items */ int sync_dircmpList(const char *csDir1, const char *csDir2, int lm, struct tagDirName **list) { struct tagDirName *l, *find; int n, cx; DIR *dir; FILE *f = stdin; struct dirent d, *pd; int *tags; register int i; u_short t; u_int hash; struct stat sb; char szLine[STRSIZ], szStr[STRSIZ], szType[STRSIZ], *str, *pbrk, *old; if (!csDir1 || !list || !(tags = create_tags())) return -1; n = create_diridx(csDir1, lm, tags, &l); if (n == -1 || !csDir2) { *list = l; return n; } if (lstat(csDir2, &sb) == -1) { LOGERR; e_free(tags); e_free(l); return -1; } if (S_ISDIR(sb.st_mode)) { old = getcwd(NULL, 0); if (chdir(csDir2) == -1) { LOGERR; chdir(old); e_free(old); e_free(tags); e_free(l); return -1; } dir = opendir("."); if (!dir) { LOGERR; chdir(old); e_free(old); e_free(tags); e_free(l); return -1; } while (!readdir_r(dir, &d, &pd) && pd) { if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, ".."))) continue; else { t = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2); hash = crcAdler((u_char*) d.d_name, d.d_namlen); } find = find_tag(tags, l, t, hash); /* element not find in dir1, added */ if (!find) { l = e_realloc(l, sizeof(struct tagDirName) * (n + 2)); if (!l) { LOGERR; chdir(old); e_free(old); closedir(dir); e_free(tags); return -1; } else memset(&l[n + 1], 0, sizeof(struct tagDirName)); l[n].ch = DIFF_D2; l[n].tag = t; l[n].hash = hash; strlcpy(l[n].name, d.d_name, sizeof l[n].name); if (lm & 1) { if (lstat(d.d_name, &sb) != -1) { memset(szStr, 0, sizeof szStr); #if defined(__OpenBSD__) strftime(szStr, sizeof szStr, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtim)); #else strftime(szStr, sizeof szStr, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtime)); #endif switch (d.d_type) { case DT_FIFO: strlcpy(szType, "fifo", sizeof szType); break; case DT_CHR: strlcpy(szType, "char", sizeof szType); break; case DT_DIR: strlcpy(szType, "dir", sizeof szType); break; case DT_BLK: strlcpy(szType, "block", sizeof szType); break; case DT_REG: strlcpy(szType, "file", sizeof szType); break; case DT_LNK: strlcpy(szType, "link", sizeof szType); break; case DT_SOCK: strlcpy(szType, "socket", sizeof szType); break; /* OpenBSD does not have this type */ #ifdef DT_WHT case DT_WHT: strlcpy(szType, "wht", sizeof szType); break; #endif case DT_UNKNOWN: default: strlcpy(szType, "unknown", sizeof szType); break; } snprintf(l[n].extra, sizeof l[n].extra, "%s links=%d inode=%ld %d:%d perm=0%o " "size=%ld %s", szType, sb.st_nlink, (long) sb.st_ino, sb.st_uid, sb.st_gid, sb.st_mode & 0x1fff, (long) sb.st_size, szStr); } } n++; } } closedir(dir); chdir(old); e_free(old); } else { if (strcmp(csDir2, "-")) { f = fopen(csDir2, "r"); if (!f) { LOGERR; e_free(tags); e_free(l); return -1; } } while (fgets(szLine, sizeof szLine, f)) { if (!*szLine || *szLine == '#') continue; str = strtok_r(szLine, " \t", &pbrk); if (!str) continue; str = strtok_r(NULL, " \t", &pbrk); if (!str) continue; else { i = strlen(str); t = crcFletcher16((u_short*) str, i / 2 + i % 2); hash = crcAdler((u_char*) str, i); } find = find_tag(tags, l, t, hash); /* element not find in dir1, added */ if (!find) { l = e_realloc(l, sizeof(struct tagDirName) * (n + 2)); if (!l) { LOGERR; if (strcmp(csDir2, "-")) fclose(f); e_free(tags); return -1; } else memset(&l[n + 1], 0, sizeof(struct tagDirName)); l[n].ch = DIFF_D2; l[n].tag = t; l[n].hash = hash; strlcpy(l[n].name, str, sizeof l[n].name); if (lm & 1 && (str = strtok_r(NULL, "\r\n", &pbrk))) strlcpy(l[n].extra, str, sizeof l[n].extra); n++; } } if (strcmp(csDir2, "-")) fclose(f); } /* delete equal elemets !!! */ for (i = cx = 0; i < n; i++) if (l[i].ch == DIFF_D0) { memmove(&l[i], &l[i + 1], (n - i + 1) * sizeof(struct tagDirName)); cx++; i--; } n -= cx; e_free(tags); *list = l; return n; }