mirror of
https://github.com/radareorg/radare2.git
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356 lines
9.0 KiB
C
356 lines
9.0 KiB
C
/* radare - LGPL - Copyright 2007-2010 pancake<nopcode.org> */
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#include "r_cons.h"
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#include "r_print.h"
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#include "r_util.h"
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R_API RPrint *r_print_new() {
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RPrint *p = R_NEW (RPrint);
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if (p) {
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strcpy (p->datefmt, "%Y:%m:%d %H:%M:%S %z");
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p->user = NULL;
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p->read_at = NULL;
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p->printf = printf;
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p->interrupt = 0;
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p->bigendian = 0;
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p->width = 78;
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p->cur_enabled = R_FALSE;
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p->cur = p->ocur = -1;
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p->addrmod = 4;
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p->flags = \
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R_PRINT_FLAGS_COLOR |
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R_PRINT_FLAGS_HEADER |
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R_PRINT_FLAGS_ADDRMOD;
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}
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return p;
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}
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// dummy setter can be removed
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R_API void r_print_set_flags(RPrint *p, int _flags) {
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p->flags = _flags;
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}
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R_API void r_print_unset_flags(RPrint *p, int flags) {
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p->flags = p->flags & (p->flags^flags);
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}
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R_API RPrint *r_print_free(RPrint *p) {
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free(p);
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return NULL;
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}
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R_API void r_print_set_cursor(RPrint *p, int enable, int ocursor, int cursor) {
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p->cur_enabled = enable;
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p->ocur = ocursor;
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if (cursor<0) cursor=0;
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p->cur = cursor;
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}
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R_API void r_print_cursor(RPrint *p, int cur, int set) {
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if (!p->cur_enabled)
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return;
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if (p->ocur != -1) {
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int from = p->ocur;
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int to = p->cur;
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r_num_minmax_swap_i(&from, &to);
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if (cur>=from&&cur<=to)
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r_cons_invert (set, p->flags&R_PRINT_FLAGS_COLOR);
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} else
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if (cur==p->cur)
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r_cons_invert (set, p->flags & R_PRINT_FLAGS_COLOR);
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}
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R_API void r_print_addr(RPrint *p, ut64 addr) {
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int mod = p->flags & R_PRINT_FLAGS_ADDRMOD;
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char ch = (p->addrmod&&mod)?((addr%p->addrmod)?' ':','):' ';
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if (p->flags & R_PRINT_FLAGS_COLOR) {
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#if 0
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p->printf("%s0x%08"PFMT64x""Color_RESET"%c ",
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r_cons_singleton ()->palette[PAL_ADDRESS], addr, ch);
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#endif
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p->printf("0x%08"PFMT64x"%c ", addr, ch);
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} else r_cons_printf ("0x%08"PFMT64x"%c ", addr, ch);
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}
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// XXX: bad designed function :)
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R_API char *r_print_hexpair(RPrint *p, const char *str, int n) {
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const char *s;
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char *d, *dst = (char *)malloc ((strlen (str)+2)*6);
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int i = 0;
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/* XXX That's hacky as shit.. but partially works O:) */
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int cur = R_MIN (p->cur, p->ocur);
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int ocur = R_MAX (p->cur, p->ocur);
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if (cur==-1) {
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cur=ocur;
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ocur++;
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}
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// XXX: overflow here
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for (s=str,d=dst; *s; s+=2, d+=2, i++) {
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if (i-1==(cur-n)) {
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memcpy (d, "\x1b[0m", 4);
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d += 4;
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}
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if (i>=(cur-n) && i<(ocur-n)) {
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memcpy (d, "\x1b[7m", 4);
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d += 4;
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} else
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if (s[0]=='0' && s[1]=='0') {
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memcpy (d, "\x1b[31m", 5);
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d += 5;
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} else
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if (s[0]=='f' && s[1]=='f') {
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memcpy (d, "\x1b[32m", 5);
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d += 5;
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} else
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if (s[0]=='7' && s[1]=='f') {
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memcpy (d, "\x1b[33m", 5);
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d += 5;
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} else {
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int ch;
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sscanf (s, "%02x", &ch);
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if (IS_PRINTABLE (ch)) {
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memcpy (d, "\x1b[35m", 5);
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d += 5;
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}
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}
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d[0] = s[0];
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d[1] = s[1];
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}
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memcpy (d, "\x1b[0m", 5);
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return dst;
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}
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R_API void r_print_byte(RPrint *p, const char *fmt, int idx, ut8 ch) {
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ut8 rch = ch;
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if (!IS_PRINTABLE (ch) && fmt[0]=='%'&&fmt[1]=='c')
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rch = '.';
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r_print_cursor (p, idx, 1);
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//if (p->flags & R_PRINT_FLAGS_CURSOR && idx == p->cur) {
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if (p->flags & R_PRINT_FLAGS_COLOR) {
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char *pre = NULL;
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switch(ch) {
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case 0x00: pre = "\x1b[31m"; break;
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case 0xFF: pre = "\x1b[32m"; break;
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case 0x7F: pre = "\x1b[33m"; break;
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default:
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if (IS_PRINTABLE (ch))
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pre = "\x1b[35m";
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}
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if (pre) p->printf (pre);
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p->printf (fmt, rch);
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if (pre) p->printf ("\x1b[0m");
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} else p->printf (fmt, rch);
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r_print_cursor (p, idx, 0);
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}
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R_API void r_print_code(RPrint *p, ut64 addr, ut8 *buf, int len) {
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int i, w = 0;
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p->printf ("#define _BUFFER_SIZE %d\n", len);
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p->printf ("unsigned char buffer[%d] = {", len);
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p->interrupt = 0;
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for (i=0;!p->interrupt&&i<len;i++) {
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if (!(w%p->width))
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p->printf ("\n ");
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r_print_cursor (p, i, 1);
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p->printf("0x%02x, ", buf[i]);
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r_print_cursor (p, i, 0);
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w+=6;
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}
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p->printf ("};\n");
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}
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R_API int r_print_string(RPrint *p, ut64 seek, const ut8 *buf, int len, int wide, int zeroend, int urlencode) {
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int i;
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//if (p->flags & R_PRINT_FLAGS_OFFSET)
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// r_print_addr(p, seek);
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p->interrupt = 0;
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for (i=0;!p->interrupt&&i<len;i++) {
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if (zeroend && buf[i]=='\0')
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break;
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r_print_cursor (p, i, 1);
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if (urlencode) {
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// TODO: some ascii can be bypassed here
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p->printf ("%%%02x", buf[i]);
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} else {
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if (IS_PRINTABLE (buf[i]))
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p->printf ("%c", buf[i]);
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else p->printf ("\\x%02x", buf[i]);
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}
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r_print_cursor (p, i, 0);
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if (wide) i++;
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}
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p->printf ("\n");
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return i;
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}
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static const char hex[16] = "0123456789ABCDEF";
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R_API void r_print_hexpairs(RPrint *p, ut64 addr, ut8 *buf, int len) {
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int i;
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for (i=0;i<len;i++)
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p->printf ("%02x ", buf[i]);
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}
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// XXX: step is borken
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R_API void r_print_hexdump(RPrint *p, ut64 addr, ut8 *buf, int len, int base, int step) {
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int i,j,k,inc;
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const char *fmt = "%02x";
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const char *pre = "";
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switch(base) {
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case 8: fmt = "%03x"; pre = " "; break;
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case 10: fmt = "%03d"; pre = " "; break;
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}
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// TODO: Use base to change %03o and so on
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if (p == NULL) {
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// TODO: use defaults r_print_t (static one)
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eprintf ("TODO: r_print_hexdump does not supports NULL as arg0\n");
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return;
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}
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inc = 2 + (int)((p->width-14)/4);
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if (inc%2) inc++;
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inc = 16;
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if (p->flags & R_PRINT_FLAGS_HEADER) {
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// only for color..too many options .. brbr
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//p->printf(r_cons_palette[PAL_HEADER]);
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p->printf (" offset ");
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k = 0; // TODO: ??? SURE??? config.seek & 0xF;
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for (i=0; i<inc; i++) {
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p->printf (pre);
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p->printf (" %c", hex[(i+k)%16]);
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if (i&1) p->printf (" ");
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}
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for (i=0; i<inc; i++)
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p->printf ("%c", hex[(i+k)%16]);
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p->printf ("\n");
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}
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p->interrupt = 0;
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for (i=0; !p->interrupt && i<len; i+=inc) {
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r_print_addr (p, addr+(i*step));
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for (j=i;j<i+inc;j++) {
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if (j>=len) {
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if (j%2) p->printf (" ");
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else p->printf(" ");
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continue;
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}
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r_print_byte(p, fmt, j, buf[j]);
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if (j%2) p->printf(" ");
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}
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for (j=i; j<i+inc; j++) {
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if (j >= len) p->printf (" ");
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else r_print_byte (p, "%c", j, buf[j]);
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}
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p->printf ("\n");
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//addr+=inc;
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}
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}
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R_API void r_print_bytes(RPrint *p, const ut8* buf, int len, const char *fmt) {
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int i;
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for (i=0;i<len;i++)
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p->printf (fmt, buf[i]);
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p->printf ("\n");
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}
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R_API void r_print_raw(RPrint *p, const ut8* buf, int len) {
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// TODO independize from cons
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r_cons_memcat ((char *)buf, len);
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}
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R_API void r_print_c(RPrint *p, const char *str, int len) {
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int i,j;
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int inc= p->width/6;
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p->printf ("#define _BUFFER_SIZE %d\n"
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"unsigned char buffer[_BUFFER_SIZE] = {\n", len);
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p->interrupt = 0;
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for (j = i = 0; !p->interrupt && i < len;) {
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r_print_byte (p, "0x%02x", i, str[i]);
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if (++i<len) p->printf (", ");
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if (!(i%inc)) p->printf ("\n");
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}
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p->printf (" };\n");
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}
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/* TODO: handle screen width */
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R_API void r_print_progressbar(RPrint *pr, int pc) {
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int tmp, cols = 78;
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(pc<0)?pc=0:(pc>100)?pc=100:0;
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fprintf (stderr, "\x1b[K %3d%% [", pc);
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cols-=15;
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for(tmp=cols*pc/100;tmp;tmp--) fprintf(stderr,"#");
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for(tmp=cols-(cols*pc/100);tmp;tmp--) fprintf(stderr,"-");
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fprintf (stderr, "]\r");
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fflush (stderr);
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}
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#if 0
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/* Process source file with given parameters. Output to stdout */
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// TODO: use buffer instead of FILE*
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----------------
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/* File processing */
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if (all)
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{
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for (i = 0 ; i <= 1 ; i++)
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{
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for (j = 0 ; j <= 1 ; j++)
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{
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for (offset = 0 ; offset <= 7 ; offset++)
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{
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/* Brute-force run */
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process (fd, length, i, j, offset);
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}
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}
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}
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} else
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/* Customized one pass only run */
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process (fd, length, forward, downward, offset);
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----------------
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void lsb_stego_process (FILE *fd, int length, bool forward, bool downward, int offset)
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{
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int byte; /* Byte index */
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int bit; /* Bit index */
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int lsb; /* Least Significant Bit */
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char sbyte; /* Source byte (i.e. from src file */
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char dbyte; /* Destination byte (decrypted msg) */
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for ( byte = offset ; byte < length ; )
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{
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dbyte = 0;
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for (bit = 0; bit <= 7; bit++, byte++)
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{
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/* Set position at the beginning or eof */
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if (forward)
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fseek(fd, byte, SEEK_SET);
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else
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fseek(fd, -(byte+1), SEEK_END);
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/* Read one byte */
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fread(&sbyte, sizeof(sbyte), 1, fd);
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/* Obtain Least Significant Bit */
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lsb = sbyte & 1;
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/* Add lsb to decrypted message */
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if (downward)
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dbyte = dbyte | lsb << (7-bit) ;
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else
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dbyte = dbyte | lsb << bit ;
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}
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printf ("%c", dbyte);
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}
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}
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#endif
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