1: #include "global.h"
2: #include "dircmp.h"
3:
4:
5: extern char compiled[], compiledby[], compilehost[];
6: char lm;
7:
8:
9: static void
10: Usage()
11: {
12: printf( "-= DirCmp =- Tool for compare directories and show differences\n"
13: "=== %s === %s@%s ===\n\n"
14: " Syntax: dircmp [options] <dir> [<cmp_dir>]\n\n"
15: "\t-l\t\tLong directory output ...\n"
16: "\t-s\t\tCompare dir from stdin list\n"
17: "\t-o <filename>\tOutput diff to filename\n"
18: "\n", compiled, compiledby, compilehost);
19: }
20:
21: int
22: calcDir(const char *csDir, u_char **md)
23: {
24: DIR *dir;
25: struct dirent d, *pd;
26: MD5_CTX ctx;
27:
28: *md = malloc(MD5_DIGEST_LENGTH);
29: if (!*md) {
30: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
31: return -1;
32: } else
33: memset(*md, 0, MD5_DIGEST_LENGTH);
34:
35: dir = opendir(csDir);
36: if (!dir) {
37: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
38: free(*md);
39: return -1;
40: }
41:
42: MD5_Init(&ctx);
43: while (!readdir_r(dir, &d, &pd) && pd) {
44: if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
45: continue;
46: MD5_Update(&ctx, d.d_name, d.d_namlen);
47: }
48: MD5_Final(*md, &ctx);
49:
50: closedir(dir);
51: return 0;
52: }
53:
54: // -------------------------------------------------------------------
55:
56: static int
57: func_comp(struct tagDirName const *d1, struct tagDirName const *d2)
58: {
59: return d1->tag - d2->tag;
60: }
61:
62: int
63: cmpDir(const char *csDir1, const char *csDir2, struct tagDirName **list)
64: {
65: struct tagDirName *l, *find;
66: int n, cx;
67: DIR *dir;
68: struct dirent d, *pd;
69: int tags[USHRT_MAX];
70: register int i;
71: u_short t;
72: u_int hash;
73: struct stat sb;
74: char szStr[MAX_STR], szType[MAX_STR];
75:
76: if (!csDir1 || !list)
77: return -1;
78: else
79: memset(tags, -1, sizeof tags);
80:
81: l = malloc(sizeof(struct tagDirName));
82: if (!l) {
83: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
84: return -1;
85: } else {
86: n = 0;
87: memset(l, 0, sizeof(struct tagDirName));
88: }
89:
90: if (chdir(csDir1) == -1) {
91: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
92: free(l);
93: return -1;
94: }
95: dir = opendir(".");
96: if (!dir) {
97: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
98: free(l);
99: return -1;
100: }
101: while (!readdir_r(dir, &d, &pd) && pd) {
102: if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
103: continue;
104:
105: l = realloc(l, sizeof(struct tagDirName) * (n + 2));
106: if (!l) {
107: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
108: closedir(dir);
109: return -1;
110: } else
111: memset(&l[n + 1], 0, sizeof(struct tagDirName));
112:
113: l[n].ch = '<';
114: l[n].tag = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2);
115: l[n].hash = crcAdler((u_char*) d.d_name, d.d_namlen);
116: strlcpy(l[n].name, d.d_name, MAXPATHLEN);
117: if (lm & 1) {
118: if (lstat(d.d_name, &sb) != -1) {
119: memset(szStr, 0, MAX_STR);
120: strftime(szStr, MAX_STR, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtim));
121: switch (d.d_type) {
122: case DT_FIFO:
123: strlcpy(szType, "fifo", MAX_STR);
124: break;
125: case DT_CHR:
126: strlcpy(szType, "char", MAX_STR);
127: break;
128: case DT_DIR:
129: strlcpy(szType, "dir", MAX_STR);
130: break;
131: case DT_BLK:
132: strlcpy(szType, "block", MAX_STR);
133: break;
134: case DT_REG:
135: strlcpy(szType, "file", MAX_STR);
136: break;
137: case DT_LNK:
138: strlcpy(szType, "link", MAX_STR);
139: break;
140: case DT_SOCK:
141: strlcpy(szType, "socket", MAX_STR);
142: break;
143: case DT_WHT:
144: strlcpy(szType, "wht", MAX_STR);
145: break;
146: case DT_UNKNOWN:
147: default:
148: strlcpy(szType, "unknown", MAX_STR);
149: break;
150: }
151: snprintf(l[n].extra, MAX_STR, "%s links=%d inode=%u %d:%d perm=0%o size=%llu %s",
152: szType, sb.st_nlink, sb.st_ino, sb.st_uid, sb.st_gid,
153: sb.st_mode & 0x1fff, sb.st_size, szStr);
154: }
155: }
156:
157: n++;
158: }
159: closedir(dir);
160: qsort(l, n, sizeof(struct tagDirName), (int (*)(const void*, const void*)) func_comp);
161: for (i = n - 1; i > -1; i--)
162: tags[l[i].tag] = i;
163:
164: // if only 1 dir supplied and output filename is set, goto end
165: if (lm & 2 && !csDir2)
166: goto end;
167: ////
168:
169: // open dir 2 for diff ...
170: if (chdir(csDir2) == -1) {
171: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
172: free(l);
173: return -1;
174: }
175: dir = opendir(".");
176: if (!dir) {
177: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
178: free(l);
179: return -1;
180: }
181: while (!readdir_r(dir, &d, &pd) && pd) {
182: if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
183: continue;
184: else {
185: t = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2);
186: hash = crcAdler((u_char*) d.d_name, d.d_namlen);
187: }
188:
189: // search in index tags
190: find = NULL;
191: if (tags[t] != -1 && l[tags[t]].tag == t) {
192: // search in sorted hashes
193: for (i = 0; l[tags[t] + i].tag == t; i++)
194: if (l[tags[t] + i].hash == hash) {
195: // finded & marked for delete!
196: find = &l[tags[t] + i];
197: find->ch = '*';
198: break;
199: }
200: }
201: // element not find in dir1, added
202: if (!find) {
203: l = realloc(l, sizeof(struct tagDirName) * (n + 2));
204: if (!l) {
205: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
206: closedir(dir);
207: return -1;
208: } else
209: memset(&l[n + 1], 0, sizeof(struct tagDirName));
210:
211: l[n].ch = '>';
212: l[n].tag = t;
213: l[n].hash = hash;
214: strlcpy(l[n].name, d.d_name, MAXPATHLEN);
215: if (lm & 1) {
216: if (lstat(d.d_name, &sb) != -1) {
217: memset(szStr, 0, MAX_STR);
218: strftime(szStr, MAX_STR, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtim));
219: switch (d.d_type) {
220: case DT_FIFO:
221: strlcpy(szType, "fifo", MAX_STR);
222: break;
223: case DT_CHR:
224: strlcpy(szType, "char", MAX_STR);
225: break;
226: case DT_DIR:
227: strlcpy(szType, "dir", MAX_STR);
228: break;
229: case DT_BLK:
230: strlcpy(szType, "block", MAX_STR);
231: break;
232: case DT_REG:
233: strlcpy(szType, "file", MAX_STR);
234: break;
235: case DT_LNK:
236: strlcpy(szType, "link", MAX_STR);
237: break;
238: case DT_SOCK:
239: strlcpy(szType, "socket", MAX_STR);
240: break;
241: case DT_WHT:
242: strlcpy(szType, "wht", MAX_STR);
243: break;
244: case DT_UNKNOWN:
245: default:
246: strlcpy(szType, "unknown", MAX_STR);
247: break;
248: }
249: snprintf(l[n].extra, MAX_STR, "%s links=%d inode=%u %d:%d perm=0%o size=%llu %s",
250: szType, sb.st_nlink, sb.st_ino, sb.st_uid, sb.st_gid,
251: sb.st_mode & 0x1fff, sb.st_size, szStr);
252: }
253: }
254:
255: n++;
256: }
257: }
258: closedir(dir);
259:
260: // delete equal elemets !!!
261: for (i = cx = 0; i < n; i++)
262: if (l[i].ch == '*') {
263: memmove(&l[i], &l[i + 1], (n - i + 1) * sizeof(struct tagDirName));
264: cx++;
265: i--;
266: }
267: n -= cx;
268: end:
269: *list = l;
270: return n;
271: }
272:
273: // ----------------------------------------------------
274:
275: int
276: main(int argc, char **argv)
277: {
278: u_char *md[2] = { NULL, NULL };
279: char ch, szFName[MAXPATHLEN];
280: struct tagDirName *list;
281: register int i;
282: FILE *f = stdout;
283:
284: while ((ch = getopt(argc, argv, "hlo:s")) != -1)
285: switch (ch) {
286: case 'o':
287: lm |= 2;
288: strlcpy(szFName, optarg, MAXPATHLEN);
289: break;
290: case 's':
291: lm |= 4;
292: break;
293: case 'l':
294: lm |= 1;
295: break;
296: case 'h':
297: default:
298: Usage();
299: return 127;
300: }
301: argc -= optind;
302: argv += optind;
303:
304: if (argc < 1 || (lm < 2 && argc < 2)) {
305: Usage();
306: return 127;
307: }
308: // check for general differences
309: if (calcDir(argv[0], &md[0]) == -1)
310: return 127;
311: if (argc > 1 && lm < 4) {
312: if (calcDir(argv[1], &md[1]) == -1) {
313: free(md[0]);
314: return 127;
315: }
316: if (!memcmp(md[0], md[1], MD5_DIGEST_LENGTH)) {
317: free(md[0]);
318: if (md[1])
319: free(md[1]);
320: printf("Directory %s == %s\n\n", argv[0], argv[1]);
321: return 0;
322: } else {
323: free(md[0]);
324: if (md[1])
325: free(md[1]);
326: printf("Directory %s != %s ::\n\n", argv[0], argv[1]);
327: }
328: }
329:
330: if (lm < 4 && cmpDir(argv[0], argc > 1 ? argv[1] : NULL, &list) == -1)
331: return 127;
332:
333: if (lm & 2) {
334: f = fopen(szFName, "w");
335: if (!f) {
336: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
337: if (list)
338: free(list);
339: return 0;
340: }
341: }
342: for (i = 0; list[i].ch; i++)
343: fprintf(f, "%c %s %s\n", list[i].ch, list[i].name, list[i].extra);
344: if (lm & 2)
345: fclose(f);
346:
347: printf("\nTotal count of elements = %d\n", i);
348: free(list);
349: return 1;
350: }
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