radare2/libr/core/cmd_magic.c
pancake 8846cb79cf Pass t/test.arm, new cmd !123 to run historic command
Fix all opcode constructions listed in t/test.arm
Add 'hlt' opcode for arm.
Minor changes in arm disassembly output
Typing !#number you re-run the command in !history
!history is now listed (! is an alias)
Added API to access history from dietline
2013-03-14 02:32:53 +01:00

81 lines
2.2 KiB
C

/* radare - LGPL - Copyright 2009-2012 // pancake<nopcode.org> */
static int magicdepth = 99; //XXX: do not use global var here
static int r_core_magic_at(RCore *core, const char *file, ut64 addr, int depth, int v) {
const char *fmt;
char *q, *p;
const char *str;
static RMagic *ck = NULL; // XXX: Use RCore->magic
static char *oldfile = NULL;
if (--depth<0)
return 1;
if (addr != core->offset)
r_core_seek (core, addr, R_TRUE);
if (file) {
if (*file == ' ') file++;
if (!*file) file = NULL;
}
if (!oldfile || ck==NULL || (file && strcmp (file, oldfile))) {
// TODO: Move RMagic into RCore
r_magic_free (ck);
ck = r_magic_new (0);
}
if (file) {
if (r_magic_load (ck, file) == -1) {
eprintf ("failed r_magic_load (\"%s\") %s\n", file, r_magic_error (ck));
return -1;
}
} else {
const char *magicpath = r_config_get (core->config, "dir.magic");
if (r_magic_load (ck, magicpath) == -1) {
eprintf ("failed r_magic_load (dir.magic) %s\n", r_magic_error (ck));
return -1;
}
}
//if (v) r_cons_printf (" %d # pm %s @ 0x%"PFMT64x"\n", depth, file? file: "", addr);
str = r_magic_buffer (ck, core->block, core->blocksize);
if (str) {
if (!v && !strcmp (str, "data"))
return -1;
p = strdup (str);
fmt = p;
// processing newlinez
for (q=p; *q; q++)
if (q[0]=='\\' && q[1]=='n') {
*q = '\n';
strcpy (q+1, q+((q[2]==' ')? 3: 2));
}
// TODO: This must be a callback .. move this into RSearch?
r_cons_printf ("0x%08"PFMT64x" %d %s\n", addr, magicdepth-depth, p);
// walking children
for (q=p; *q; q++) {
switch (*q) {
case ' ':
fmt = q+1;
break;
case '@':
*q = 0;
if (!memcmp (q+1, "0x", 2))
sscanf (q+3, "%"PFMT64x, &addr);
else sscanf (q+1, "%"PFMT64d, &addr);
if (!fmt || !*fmt) fmt = file;
r_core_magic_at (core, fmt, addr, depth, 1);
*q = '@';
}
}
free (p);
return 1;
}
return 0;
}
static void r_core_magic(RCore *core, const char *file, int v) {
ut64 addr = core->offset;
magicdepth = r_config_get_i (core->config, "magic.depth"); // TODO: do not use global var here
r_core_magic_at (core, file, addr, magicdepth, v);
if (addr != core->offset)
r_core_seek (core, addr, R_TRUE);
}