int main(int argc, char **argv, char **envp) {
array_t array;
bio_t bin;
char bin_data[8192];
bio_t *bio;
int fd;
char *name;
int opt;
ssize_t r;
struct stat st;
char *type = 0;
while ((opt = sgetopt(argc, argv, "t:")) != -1) {
switch (opt) {
case '?':
usage();
case 't':
type = soptarg;
break;
}
}
argv += soptind;
if (!type)
usage();
array_init(&array, 1);
/* Set the initial buffered io pointer to use stdin and set the default name
* to '-'. */
bio = bio_0;
name = "-";
for (;;) {
if (*argv) {
/* If a path was given then check to see if it's a directory and skip
* over it if it is. */
if (stat(*argv, &st))
err(1, "fatal");
if (S_ISDIR(st.st_mode)) {
errno = EISDIR;
warn(*argv);
argv++;
continue;
}
/* Open the file for reading and construct our own buffered io struct to
* use for reading in the file and hashing it. Also set the default
* buffered io pointer to our own and update the name to reflect the
* current file. */
fd = open_read(*argv);
if (fd == -1)
err(1, "fatal");
bio_init(&bin, read, fd, bin_data, sizeof(bin_data));
bio = &bin;
name = *argv;
}
/* If there's no more arguments passed on the command line and the default
* buffered io pointer doesn't point to stdin then that means all of the
* files have been hashed and it's time to exit. */
else if ((bio != bio_0))
break;
if (!strcmp(type, "md4"))
handle_md4(&array, bio);
else if (!strcmp(type, "md5"))
handle_md5(&array, bio);
else if (!strcmp(type, "sha1"))
handle_sha1(&array, bio);
else if (!strcmp(type, "sha256"))
handle_sha256(&array, bio);
else if (!strcmp(type, "sha512"))
handle_sha512(&array, bio);
else
errx(1, "fatal: %s", "unknown type");
bio_put_str(bio_1, array_start(&array));
bio_put_str(bio_1, " ");
bio_put_str(bio_1, name);
bio_put_str(bio_1, "\n");
bio_flush(bio_1);
array_trunc(&array);
if (*argv)
close(fd);
if ((!*argv) || (!*++argv))
break;
}
return 0;
}
int main(int argc, char **argv) {
const char *addr = NULL;
RCore *c, *c2;
RDiff *d;
const char *arch = NULL;
int bits = 0;
char *file, *file2;
ut8 *bufa, *bufb;
int o, sza, szb, /*diffmode = 0,*/ delta = 0;
int mode = MODE_DIFF;
int diffops = 0;
int threshold = -1;
int gdiff_mode = 0;
double sim;
while ((o = getopt (argc, argv, "a:b:Cnpg:Ojrhcdsvxt:")) != -1) {
switch (o) {
case 'a':
arch = optarg;
break;
case 'b':
bits = atoi (optarg);
break;
case 'p':
useva = R_FALSE;
break;
case 'r':
diffmode = 'r';
break;
case 'g':
mode = MODE_GRAPH;
addr = optarg;
break;
case 'c':
showcount = 1;
break;
case 'C':
mode = MODE_CODE;
gdiff_mode++;
break;
case 'n':
showbare = R_TRUE;
break;
case 'O':
diffops = 1;
break;
case 't':
threshold = atoi (optarg);
printf ("%s\n", optarg);
break;
case 'd':
delta = 1;
break;
case 'h':
return show_help (1);
case 's':
mode = MODE_DIST;
break;
case 'x':
mode = MODE_COLS;
break;
case 'v':
printf ("radiff2 v"R2_VERSION"\n");
return 0;
case 'j':
diffmode = 'j';
break;
default:
return show_help (0);
}
}
if (argc<3 || optind+2>argc)
return show_help (0);
if (optind<argc) {
file = argv[optind];
} else {
file = NULL;
}
if (optind+1<argc) {
file2 = argv[optind+1];
} else {
file2 = NULL;
}
switch (mode) {
case MODE_GRAPH:
case MODE_CODE:
c = opencore (file);
if (!c) eprintf ("Cannot open '%s'\n", r_str_get (file));
c2 = opencore (file2);
if (!c || !c2) {
eprintf ("Cannot open '%s'\n", r_str_get (file2));
return 1;
}
if (arch) {
r_config_set (c->config, "asm.arch", arch);
r_config_set (c2->config, "asm.arch", arch);
}
if (bits) {
r_config_set_i (c->config, "asm.bits", bits);
r_config_set_i (c2->config, "asm.bits", bits);
}
r_config_set_i (c->config, "diff.bare", showbare);
r_config_set_i (c2->config, "diff.bare", showbare);
r_anal_diff_setup_i (c->anal, diffops, threshold, threshold);
r_anal_diff_setup_i (c2->anal, diffops, threshold, threshold);
if (mode == MODE_GRAPH) {
char *words = strdup (addr);
char *second = strstr (words, ",");
if (second) {
ut64 off;
*second++ = 0;
off = r_num_math (c->num, words);
// define the same function at each offset
r_core_anal_fcn (c, off, UT64_MAX, R_ANAL_REF_TYPE_NULL, 0);
r_core_anal_fcn (c2, r_num_math (c2->num, second),
UT64_MAX, R_ANAL_REF_TYPE_NULL, 0);
r_core_gdiff (c, c2, R_FALSE); // compute the diff
r_core_anal_graph (c, off, R_CORE_ANAL_GRAPHBODY | R_CORE_ANAL_GRAPHDIFF);
} else {
r_core_anal_fcn (c, r_num_math (c->num, words), UT64_MAX, R_ANAL_REF_TYPE_NULL, 0);
r_core_anal_fcn (c2, r_num_math (c2->num, words), UT64_MAX, R_ANAL_REF_TYPE_NULL, 0);
r_core_gdiff (c, c2, gdiff_mode);
r_core_anal_graph (c, r_num_math (c->num, addr),
R_CORE_ANAL_GRAPHBODY | R_CORE_ANAL_GRAPHDIFF);
}
free (words);
} else {
r_core_gdiff (c, c2, gdiff_mode);
r_core_diff_show (c, c2);
}
r_cons_flush ();
return 0;
}
bufa = (ut8*)r_file_slurp (file, &sza);
if (!bufa) {
eprintf ("radiff2: Cannot open %s\n", r_str_get (file));
return 1;
}
bufb = (ut8*)r_file_slurp (file2, &szb);
if (!bufb) {
eprintf ("radiff2: Cannot open: %s\n", r_str_get (file2));
free (bufa);
return 1;
}
switch (mode) {
case MODE_COLS:
{
int cols = (r_cons_get_size (NULL)>112)?16:8;
dump_cols (bufa, sza, bufb, szb, cols);
}
break;
case MODE_DIFF:
d = r_diff_new (0LL, 0LL);
r_diff_set_delta (d, delta);
if (diffmode == 'j') {
printf("{\"files\":[{\"filename\":\"%s\", \"size\":%d, \"sha256\":\"", file, sza);
handle_sha256 (bufa, sza);
printf("\"},\n{\"filename\":\"%s\", \"size\":%d, \"sha256\":\"", file2, szb);
handle_sha256 (bufb, szb);
printf("\"}],\n");
printf("\"changes\":[");
}
r_diff_set_callback (d, &cb, 0);//(void *)(size_t)diffmode);
r_diff_buffers (d, bufa, sza, bufb, szb);
if (diffmode == 'j')
printf("]\n");
r_diff_free (d);
break;
case MODE_DIST:
r_diff_buffers_distance (NULL, bufa, sza, bufb, szb, &count, &sim);
printf ("similarity: %.2f\n", sim);
printf ("distance: %d\n", count);
break;
}
if (diffmode == 'j' && showcount)
printf (",\"count\":%d}\n",count);
else if (showcount && diffmode != 'j')
printf ("%d\n", count);
else if (!showcount && diffmode == 'j')
printf ("}\n");
free (bufa);
free (bufb);
return 0;
}