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