1: #include "global.h"
2: #include "dircmp.h"
3:
4:
5: extern char compiled[], compiledby[], compilehost[];
6: char l;
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: dir = opendir(csDir1);
89: if (!dir) {
90: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
91: free(l);
92: return -1;
93: }
94: while (!readdir_r(dir, &d, &pd) && pd) {
95: if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
96: continue;
97:
98: l = realloc(l, sizeof(struct tagDirName) * (n + 2));
99: if (!l) {
100: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
101: closedir(dir);
102: return -1;
103: } else
104: memset(&l[n + 1], 0, sizeof(struct tagDirName));
105:
106: l[n].ch = '<';
107: l[n].tag = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2);
108: l[n].hash = crcAdler((u_char*) d.d_name, d.d_namlen);
109: strlcpy(l[n].name, d.d_name, MAXPATHLEN);
110: if (l) {
111: if (lstat(d.d_name, &sb) != -1) {
112: memset(szStr, 0, MAX_STR);
113: strftime(szStr, MAX_STR, "%y-%m-%d %H:%M:%S", localtime(&sb.st_mtim));
114: switch (d.d_type) {
115: case DT_FIFO:
116: strlcpy(szType, "fifo", MAX_STR);
117: break;
118: case DT_CHR:
119: strlcpy(szType, "char", MAX_STR);
120: break;
121: case DT_DIR:
122: strlcpy(szType, "dir", MAX_STR);
123: break;
124: case DT_BLK:
125: strlcpy(szType, "block", MAX_STR);
126: break;
127: case DT_REG:
128: strlcpy(szType, "file", MAX_STR);
129: break;
130: case DT_LNK:
131: strlcpy(szType, "link", MAX_STR);
132: break;
133: case DT_SOCK:
134: strlcpy(szType, "socket", MAX_STR);
135: break;
136: case DT_WHT:
137: strlcpy(szType, "wht", MAX_STR);
138: break;
139: case DT_UNKNOWN:
140: default:
141: strlcpy(szType, "unknown", MAX_STR);
142: break;
143: }
144: snprintf(l[n].extra, MAX_STR, "%s links=%d %d:%d perm=0%o size=%llu %s\n", szType,
145: sb.st_nlink, sb.st_uid, sb.st_gid, sb.st_mode, sb.st_size, szStr);
146: }
147: }
148:
149: n++;
150: }
151: closedir(dir);
152: qsort(l, n, sizeof(struct tagDirName), (int (*)(const void*, const void*)) func_comp);
153: for (i = n - 1; i > -1; i--)
154: tags[l[i].tag] = i;
155:
156: // open dir 2 for diff ...
157: dir = opendir(csDir2);
158: if (!dir) {
159: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
160: free(l);
161: return -1;
162: }
163: while (!readdir_r(dir, &d, &pd) && pd) {
164: if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
165: continue;
166: else {
167: t = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2);
168: hash = crcAdler((u_char*) d.d_name, d.d_namlen);
169: }
170:
171: // search in index tags
172: find = NULL;
173: if (tags[t] != -1 && l[tags[t]].tag == t) {
174: // search in sorted hashes
175: for (i = 0; l[tags[t] + i].tag == t; i++)
176: if (l[tags[t] + i].hash == hash) {
177: // finded & marked for delete!
178: find = &l[tags[t] + i];
179: find->ch = '*';
180: break;
181: }
182: }
183: // element not find in dir1, added
184: if (!find) {
185: l = realloc(l, sizeof(struct tagDirName) * (n + 2));
186: if (!l) {
187: printf("Error:: %s(%d) #%d - %s\n", __func__, __LINE__, errno, strerror(errno));
188: closedir(dir);
189: return -1;
190: } else
191: memset(&l[n + 1], 0, sizeof(struct tagDirName));
192:
193: l[n].ch = '>';
194: l[n].tag = t;
195: l[n].hash = hash;
196: strlcpy(l[n].name, d.d_name, MAXPATHLEN);
197:
198: n++;
199: }
200: }
201: closedir(dir);
202:
203: // delete equal elemets !!!
204: for (i = cx = 0; i < n; i++)
205: if (l[i].ch == '*') {
206: memmove(&l[i], &l[i + 1], (n - i + 1) * sizeof(struct tagDirName));
207: cx++;
208: i--;
209: }
210: n -= cx;
211:
212: *list = l;
213: return n;
214: }
215:
216: // ----------------------------------------------------
217:
218: int
219: main(int argc, char **argv)
220: {
221: u_char *md[2];
222: char ch;
223: struct tagDirName *list;
224: register int i;
225:
226: while ((ch = getopt(argc, argv, "hl")) != -1)
227: switch (ch) {
228: case 'l':
229: l = 1;
230: break;
231: case 'h':
232: default:
233: Usage();
234: return 127;
235: }
236: argc -= optind;
237: argv += optind;
238:
239: if (argc < 2) {
240: Usage();
241: return 127;
242: }
243: // check for general differences
244: if (calcDir(argv[0], &md[0]) == -1)
245: return 127;
246: if (calcDir(argv[1], &md[1]) == -1) {
247: free(md[0]);
248: return 127;
249: }
250: if (!memcmp(md[0], md[1], MD5_DIGEST_LENGTH)) {
251: free(md[0]);
252: free(md[1]);
253: printf("Directory %s == %s\n\n", argv[0], argv[1]);
254: return 0;
255: } else {
256: free(md[0]);
257: free(md[1]);
258: printf("Directory %s != %s ::\n\n", argv[0], argv[1]);
259: }
260:
261: if (cmpDir(argv[0], argv[1], &list) == -1)
262: return 127;
263:
264: for (i = 0; list[i].ch; i++)
265: printf("%c %s %s\n", list[i].ch, list[i].name, list[i].extra);
266: printf("\nTotal count of elements = %d\n", i);
267:
268: free(list);
269: return 1;
270: }
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