radare2/libr/core/core.c
2016-01-29 00:32:46 +01:00

2050 lines
57 KiB
C

/* radare - LGPL - Copyright 2009-2015 - pancake */
#include <r_core.h>
#include <r_socket.h>
#include "../config.h"
#if __UNIX__
#include <signal.h>
#endif
#define DB core->sdb
R_LIB_VERSION(r_core);
static ut64 letter_divs[R_CORE_ASMQJMPS_LEN_LETTERS - 1] = {
R_CORE_ASMQJMPS_LETTERS * R_CORE_ASMQJMPS_LETTERS * R_CORE_ASMQJMPS_LETTERS * R_CORE_ASMQJMPS_LETTERS,
R_CORE_ASMQJMPS_LETTERS * R_CORE_ASMQJMPS_LETTERS * R_CORE_ASMQJMPS_LETTERS,
R_CORE_ASMQJMPS_LETTERS * R_CORE_ASMQJMPS_LETTERS,
R_CORE_ASMQJMPS_LETTERS
};
#define TMP_ARGV_SZ 512
static const char *tmp_argv[TMP_ARGV_SZ];
static bool tmp_argv_heap = false;
static void r_core_free_autocomplete(RCore *core) {
int i;
RLine *line;
if (!core || !core->cons || !core->cons->line)
return;
line = core->cons->line;
if (tmp_argv_heap) {
int argc = line->completion.argc;
for (i = 0; i < argc; i++) {
free ((char*)tmp_argv[i]);
tmp_argv[i] = NULL;
}
tmp_argv_heap = false;
}
line->completion.argc = 0;
line->completion.argv = tmp_argv;
}
static int on_fcn_new(void *_anal, void* _user, RAnalFunction *fcn) {
RCore *core = (RCore*)_user;
const char *cmd = r_config_get (core->config, "cmd.fcn.new");
if (cmd && *cmd) {
ut64 oaddr = core->offset;
ut64 addr = fcn->addr;
r_core_seek (core, addr, 1);
r_core_cmd0 (core, cmd);
r_core_seek (core, oaddr, 1);
}
return 0;
}
static int on_fcn_delete (void *_anal, void* _user, RAnalFunction *fcn) {
RCore *core = (RCore*)_user;
const char *cmd = r_config_get (core->config, "cmd.fcn.delete");
if (cmd && *cmd) {
ut64 oaddr = core->offset;
ut64 addr = fcn->addr;
r_core_seek (core, addr, 1);
r_core_cmd0 (core, cmd);
r_core_seek (core, oaddr, 1);
}
return 0;
}
static int on_fcn_rename(void *_anal, void* _user, RAnalFunction *fcn, const char *oname) {
RCore *core = (RCore*)_user;
const char *cmd = r_config_get (core->config, "cmd.fcn.rename");
if (cmd && *cmd) {
// XXX: wat do with old name here?
ut64 oaddr = core->offset;
ut64 addr = fcn->addr;
r_core_seek (core, addr, 1);
r_core_cmd0 (core, cmd);
r_core_seek (core, oaddr, 1);
}
return 0;
}
static void r_core_debug_breakpoint_hit(RCore *core, RBreakpointItem *bpi) {
const char *cmdbp;
int oecho = core->cons->echo; // should be configurable by user?
core->cons->echo = 1; // should be configurable by user?
cmdbp = r_config_get (core->config, "cmd.bp");
if (cmdbp && *cmdbp)
r_core_cmd0 (core, cmdbp);
r_core_cmd0 (core, bpi->data);
core->cons->echo = oecho;
}
/* returns the address of a jmp/call given a shortcut by the user or UT64_MAX
* if there's no valid shortcut. When is_asmqjmps_letter is true, the string
* should be of the form XYZWu, where XYZW are uppercase letters and u is a
* lowercase one. If is_asmqjmps_letter is false, the string should be a number
* between 1 and 9 included. */
R_API ut64 r_core_get_asmqjmps(RCore *core, const char *str) {
if (!core->asmqjmps) return UT64_MAX;
if (core->is_asmqjmps_letter) {
int i, pos = 0;
int len = strlen (str);
for (i = 0; i < len - 1; ++i) {
if (!isupper ((ut8)str[i])) return UT64_MAX;
pos *= R_CORE_ASMQJMPS_LETTERS;
pos += str[i] - 'A' + 1;
}
if (!islower ((ut8)str[i])) return UT64_MAX;
pos *= R_CORE_ASMQJMPS_LETTERS;
pos += str[i] - 'a';
if (pos < core->asmqjmps_count) return core->asmqjmps[pos + 1];
} else if (str[0] > '0' && str[1] <= '9') {
int pos = str[0] - '0';
if (pos <= core->asmqjmps_count) return core->asmqjmps[pos];
}
return UT64_MAX;
}
/* returns in str a string that represents the shortcut to access the asmqjmp
* at position pos. When is_asmqjmps_letter is true, pos is converted into a
* multiletter shortcut of the form XYWZu and returned (see r_core_get_asmqjmps
* for more info). Otherwise, the shortcut is the string representation of pos. */
R_API void r_core_set_asmqjmps(RCore *core, char *str, size_t len, int pos) {
if (core->is_asmqjmps_letter) {
int i, j = 0;
pos -= 1;
for (i = 0; i < R_CORE_ASMQJMPS_LEN_LETTERS - 1; ++i) {
ut64 div = pos / letter_divs[i];
pos %= letter_divs[i];
if (div != 0 && j < len) {
str[j++] = 'A' + div - 1;
}
}
if (j < len) {
ut64 div = pos % R_CORE_ASMQJMPS_LETTERS;
str[j++] = 'a' + div;
}
str[j] = '\0';
} else {
snprintf (str, len, "%d", pos);
}
}
R_API int r_core_bind(RCore *core, RCoreBind *bnd) {
bnd->core = core;
bnd->bphit = (RCoreDebugBpHit)r_core_debug_breakpoint_hit;
bnd->cmd = (RCoreCmd)r_core_cmd0;
bnd->cmdstr = (RCoreCmdStr)r_core_cmd_str;
bnd->puts = (RCorePuts)r_cons_strcat;
return true;
}
R_API RCore *r_core_ncast(ut64 p) {
return (RCore*)(size_t)p;
}
R_API RCore *r_core_cast(void *p) {
return (RCore*)p;
}
static int core_cmd_callback (void *user, const char *cmd) {
RCore *core = (RCore *)user;
return r_core_cmd0 (core, cmd);
}
static char *core_cmdstr_callback (void *user, const char *cmd) {
RCore *core = (RCore *)user;
return r_core_cmd_str (core, cmd);
}
static ut64 getref (RCore *core, int n, char t, int type) {
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
RListIter *iter;
RAnalRef *r;
RList *list;
int i=0;
if (!fcn) return UT64_MAX;
#if FCN_OLD
list = (t=='r')? fcn->refs: fcn->xrefs;
r_list_foreach (list, iter, r) {
if (r->type == type) {
if (i == n)
return r->addr;
i++;
}
}
#else
#warning implement getref() using sdb
#endif
return UT64_MAX;
}
static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
RCore *core = (RCore *)userptr; // XXX ?
RAnalFunction *fcn;
char *ptr, *bptr, *out;
RFlagItem *flag;
RIOSection *s;
RAnalOp op;
ut64 ret = 0;
if (ok) *ok = false;
switch (*str) {
case '[':
{
ut64 n = 0LL;
int refsz = core->assembler->bits / 8;
const char *p = NULL;
if (strlen (str)>5)
p = strchr (str+5, ':');
// TODO: honor LE
if (p) {
refsz = atoi (str+1);
str = p;
}
// push state
{
if (str[0] && str[1]) {
const char *q;
char *o = strdup (str+1);
if (o) {
q = r_num_calc_index (core->num, NULL);
if (q) {
if (r_str_replace_char (o, ']', 0)>0) {
n = r_num_math (core->num, o);
r_num_calc_index (core->num, q);
}
}
free (o);
}
}
}
// pop state
if (ok) *ok = 1;
ut64 num = 0;
switch (refsz) {
case 8:
case 4:
case 2:
case 1:
(void)r_io_read_at (core->io, n, (ut8*)&num, refsz);
r_mem_copyendian ((ut8*)&num, (ut8*)&num, refsz, !core->assembler->big_endian);
return num;
default:
eprintf ("Invalid reference size: %d (%s)\n", refsz, str);
return 0LL;
}
}
break;
case '$':
if (ok) *ok = 1;
// TODO: group analop-dependant vars after a char, so i can filter
r_anal_op (core->anal, &op, core->offset,
core->block, core->blocksize);
switch (str[1]) {
case '.': // can use pc, sp, a0, a1, ...
return r_debug_reg_get (core->dbg, str+2);
case 'k':
if (str[2]!='{') {
eprintf ("Expected '{' after 'k'.\n");
break;
}
bptr = strdup (str+3);
ptr = strchr (bptr, '}');
if (ptr == NULL) {
// invalid json
free (bptr);
break;
}
*ptr = '\0';
ret = 0LL;
out = sdb_querys (core->sdb, NULL, 0, bptr);
if (out && *out) {
if (strstr (out, "$k{")) {
eprintf ("Recursivity is not permitted here\n");
} else {
ret = r_num_math (core->num, out);
}
}
free (bptr);
free (out);
return ret;
break;
case '{':
bptr = strdup (str+2);
ptr = strchr (bptr, '}');
if (ptr != NULL) {
ut64 ret;
ptr[0] = '\0';
ret = r_config_get_i (core->config, bptr);
free (bptr);
return ret;
}
free (bptr);
break;
case 'c': return r_cons_get_size (NULL);
case 'r': { int rows; r_cons_get_size (&rows); return rows; }
case 'e': return r_anal_op_is_eob (&op);
case 'j': return op.jump;
case 'p': return r_sys_getpid ();
case 'P': return (core->dbg->pid>0)? core->dbg->pid: 0;
case 'f': return op.fail;
case 'm': return op.ptr; // memref
case 'v': return op.val; // immediate value
case 'l': return op.size;
case 'b': return core->blocksize;
case 's':
if (core->file) {
return r_io_desc_size (core->io, core->file->desc);
}
return 0LL;
case 'w': return r_config_get_i (core->config, "asm.bits") / 8;
case 'S':
s = r_io_section_vget (core->io, core->offset);
return s? (str[2]=='S'? s->size: s->vaddr): 3;
case '?': return core->num->value;
case '$': return core->offset;
case 'o': return r_io_section_vaddr_to_maddr_try (core->io,
core->offset);
case 'C': return getref (core, atoi (str+2), 'r',
R_ANAL_REF_TYPE_CALL);
case 'J': return getref (core, atoi (str+2), 'r',
R_ANAL_REF_TYPE_CODE);
case 'D': return getref (core, atoi (str+2), 'r',
R_ANAL_REF_TYPE_DATA);
case 'X': return getref (core, atoi (str+2), 'x',
R_ANAL_REF_TYPE_CALL);
case 'B':
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
return fcn? fcn->addr: 0;
case 'I':
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
return fcn? fcn->ninstr: 0;
case 'F':
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
return fcn? fcn->size: 0;
}
break;
default:
if (*str>'A') {
// NOTE: functions override flags
RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, str);
if (fcn) {
if (ok) *ok = true;
return fcn->addr;
}
#if 0
ut64 addr = r_anal_fcn_label_get (core->anal, core->offset, str);
if (addr != 0) {
ret = addr;
} else {
...
}
#endif
if ((flag = r_flag_get (core->flags, str))) {
ret = flag->offset;
if (ok) *ok = true;
}
}
break;
}
return ret;
}
R_API RCore *r_core_new() {
RCore *c = R_NEW0 (RCore);
r_core_init (c);
return c;
}
/*-----------------------------------*/
#define CMDS (sizeof (radare_argv)/sizeof(const char*))
static const char *radare_argv[] = {
"?", "?v", "whereis", "which", "ls", "rm", "mkdir", "pwd", "cat", "less",
"dH", "ds", "dso", "dsl", "dc", "dd", "dm", "db ", "db-",
"dp", "dr", "dcu", "dmd", "dmp", "dml",
"ec","ecs",
"S", "S.", "S*", "S-", "S=", "Sa", "Sa-", "Sd", "Sl", "SSj", "Sr",
"s", "s+", "s++", "s-", "s--", "s*", "sa", "sb", "sr",
"!", "!!",
"#sha1", "#crc32", "#pcprint", "#sha256", "#sha512", "#md4", "#md5",
"#!python", "#!perl", "#!vala",
"V",
"aa", "ab", "af", "ar", "ag", "at", "a?", "ax", "ad",
"af", "afa", "afan", "afc", "afi", "afb", "afbb", "afn", "afr", "afs", "af*", "afv", "afvn",
"aga", "agc", "agd", "agl", "agfl",
"e", "e-", "e*", "e!", "e?", "env ",
"i", "ii", "iI", "is", "iS", "iz",
"q", "q!",
"f", "fl", "fr", "f-", "f*", "fs", "fS", "fr", "fo", "f?",
"m", "m*", "ml", "m-", "my", "mg", "md", "mp", "m?",
"o", "o+", "oc", "on", "op", "o-", "x", "wf", "wF", "wt", "wp",
"t", "to ", "t-", "tf", "td", "td-", "tb", "te", "tl", "tk", "ts",
"(", "(*", "(-", "()", ".", ".!", ".(", "./",
"r", "r+", "r-",
"b", "bf", "b?",
"/", "//", "/a", "/c", "/m", "/x", "/v", "/v2", "/v4", "/v8", "/r"
"y", "yy", "y?",
"wx", "ww", "w?",
"p6d", "p6e", "p8", "pb", "pc",
"pd", "pda", "pdb", "pdc", "pdj", "pdr", "pdf", "pdi", "pdl", "pds", "pdt",
"pD", "px", "pX", "po", "pf", "pf.", "pf*", "pf*.", "pfd", "pfd.", "pv", "p=", "p-",
"pfj", "pfj.", "pfv", "pfv.",
"pm", "pr", "pt", "ptd", "ptn", "pt?", "ps", "pz", "pu", "pU", "p?",
"#!pipe", "z", "zf", "zF", "zFd", "zh", "zn", "zn-",
NULL
};
static int getsdelta(const char *data) {
int i;
for (i=1; data[i]; i++) {
if (data[i] == ' ')
return i + 1;
}
return 0;
}
static int autocomplete(RLine *line) {
int pfree = 0;
RCore *core = line->user;
RListIter *iter;
RFlagItem *flag;
if (core) {
r_core_free_autocomplete (core);
char *ptr = strchr (line->buffer.data, '@');
if (ptr && line->buffer.data+line->buffer.index >= ptr) {
int sdelta, n, i = 0;
ptr = (char *)r_str_chop_ro (ptr+1);
n = strlen (ptr);//(line->buffer.data+sdelta);
sdelta = (int)(size_t)(ptr - line->buffer.data);
r_list_foreach (core->flags->flags, iter, flag) {
if (!strncmp (flag->name, line->buffer.data+sdelta, n)) {
tmp_argv[i++] = flag->name;
if (i == TMP_ARGV_SZ-1)
break;
}
}
tmp_argv[i] = NULL;
line->completion.argc = i;
line->completion.argv = tmp_argv;
} else if (!strncmp (line->buffer.data, "#!pipe ", 7)) {
int j = 0;
if (strchr (line->buffer.data + 7, ' ')) {
goto openfile;
}
tmp_argv_heap = false;
#define ADDARG(x) if (!strncmp (line->buffer.data+7, x, strlen (line->buffer.data+7))) { tmp_argv[j++] = x; }
ADDARG("node");
ADDARG("vala");
ADDARG("ruby");
ADDARG("newlisp");
ADDARG("perl");
ADDARG("python");
tmp_argv[j] = NULL;
line->completion.argc = j;
line->completion.argv = tmp_argv;
} else if ((!strncmp (line->buffer.data, "pf.", 3))
|| (!strncmp (line->buffer.data, "pf*.", 4))
|| (!strncmp (line->buffer.data, "pfd.", 4))
|| (!strncmp (line->buffer.data, "pfv.", 4))
|| (!strncmp (line->buffer.data, "pfj.", 4))) {
char pfx[2];
int chr = (line->buffer.data[2]=='.')? 3: 4;
if (chr == 4) {
pfx[0] = line->buffer.data[2];
pfx[1] = 0;
} else {
*pfx = 0;
}
RStrHT *sht = core->print->formats;
int *i, j = 0;
r_list_foreach (sht->ls, iter, i) {
int idx = ((int)(size_t)i)-1;
const char *key = r_strpool_get (sht->sp, idx);
int len = strlen (line->buffer.data + chr);
if (!len || !strncmp (line->buffer.data + chr, key, len)) {
tmp_argv[j++] = r_str_newf ("pf%s.%s", pfx, key);
}
}
if (j > 0) tmp_argv_heap = true;
tmp_argv[j] = NULL;
line->completion.argc = j;
line->completion.argv = tmp_argv;
} else if ((!strncmp (line->buffer.data, "afvn ", 5))) {
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
RList *vars = r_anal_var_list (core->anal, fcn, R_ANAL_VAR_KIND_VAR);
const char *f_ptr, *l_ptr;
RAnalVar *var;
int j = 0, len = strlen (line->buffer.data);
f_ptr = r_sub_str_lchr (line->buffer.data, 0, line->buffer.index, ' ');
f_ptr = f_ptr != NULL ? f_ptr + 1 : line->buffer.data;
l_ptr = r_sub_str_rchr (line->buffer.data, line->buffer.index, len, ' ');
if (l_ptr == NULL) {
l_ptr = line->buffer.data + strlen (line->buffer.data);
}
r_list_foreach (vars, iter, var) {
if (!strncmp (f_ptr, var->name, l_ptr - f_ptr)) {
tmp_argv[j++] = strdup(var->name);
}
}
tmp_argv[j] = NULL;
line->completion.argc = j;
line->completion.argv = tmp_argv;
} else if ((!strncmp (line->buffer.data, "te ", 3))) {
int i = 0;
SdbList *l = sdb_foreach_list (core->anal->sdb_types);
SdbListIter *iter;
SdbKv *kv;
int chr = 3;
ls_foreach (l, iter, kv) {
int len = strlen (line->buffer.data + chr);
if (!len || !strncmp (line->buffer.data + chr, kv->key, len)) {
if (!strncmp (kv->value, "0x", 2)) {
tmp_argv[i++] = strdup (kv->key);
}
}
}
if (i > 0) tmp_argv_heap = true;
tmp_argv[i] = NULL;
ls_free (l);
line->completion.argc = i;
line->completion.argv = tmp_argv;
} else if ((!strncmp (line->buffer.data, "o ", 2)) ||
!strncmp (line->buffer.data, "o+ ", 3) ||
!strncmp (line->buffer.data, "oc ", 3) ||
!strncmp (line->buffer.data, "r2 ", 3) ||
!strncmp (line->buffer.data, "cd ", 3) ||
!strncmp (line->buffer.data, "zF ", 3) ||
!strncmp (line->buffer.data, "on ", 3) ||
!strncmp (line->buffer.data, "op ", 3) ||
!strncmp (line->buffer.data, ". ", 2) ||
!strncmp (line->buffer.data, "wf ", 3) ||
!strncmp (line->buffer.data, "rm ", 3) ||
!strncmp (line->buffer.data, "ls ", 3) ||
!strncmp (line->buffer.data, "ls -l ", 5) ||
!strncmp (line->buffer.data, "wF ", 3) ||
!strncmp (line->buffer.data, "cat ", 4) ||
!strncmp (line->buffer.data, "less ", 5) ||
!strncmp (line->buffer.data, "wt ", 3) ||
!strncmp (line->buffer.data, "wp ", 3) ||
!strncmp (line->buffer.data, "Sd ", 3) ||
!strncmp (line->buffer.data, "Sl ", 3) ||
!strncmp (line->buffer.data, "to ", 3) ||
!strncmp (line->buffer.data, "pm ", 3) ||
!strncmp (line->buffer.data, "dml ", 4) ||
!strncmp (line->buffer.data, "/m ", 3)) {
// XXX: SO MANY FUCKING MEMORY LEAKS
char *str, *p, *path;
int n = 0, i = 0, isroot = 0, iscwd = 0;
RList *list;
int sdelta;
openfile:
if (!strncmp (line->buffer.data, "#!pipe ", 7)) {
sdelta = getsdelta (line->buffer.data + 7) + 7;
} else {
sdelta = getsdelta (line->buffer.data);
}
path = sdelta > 0 ? strdup (line->buffer.data + sdelta):
r_sys_getdir ();
p = (char *)r_str_lchr (path, '/');
if (p) {
if (p == path) { // ^/
isroot = 1;
*p = 0;
p++;
} else if (p==path + 1) { // ^./
*p = 0;
iscwd = 1;
p++;
} else { // *
*p = 0;
p++;
}
} else {
iscwd = 1;
pfree = 1;
p = strdup (path);
free (path);
path = strdup (".");
}
if (pfree) {
if (p) {
if (*p) {
n = strlen (p);
} else {
free (p);
p = strdup ("");
}
}
} else {
if (p) { if (*p) n = strlen (p); else p = ""; }
}
if (iscwd) {
list = r_sys_dir ("./");
} else if (isroot) {
const char *lastslash = r_str_lchr (path, '/');
if (lastslash && lastslash[1]) {
list = r_sys_dir (path);
} else {
list = r_sys_dir ("/");
}
} else {
if (*path=='~') { // if implicit home
char *lala = r_str_home (path + 1);
free (path);
path = lala;
} else if (*path!='.' && *path!='/') { // ifnot@home
char *o = malloc (strlen (path) + 4);
memcpy (o, "./", 2);
p = o+2;
n = strlen (path);
memcpy (o + 2, path, strlen (path) + 1);
free (path);
path = o;
}
list = p? r_sys_dir (path): NULL;
}
i = 0;
if (list) {
// bool isroot = !strcmp (path, "/");
r_list_foreach (list, iter, str) {
if (*str == '.') // also list hidden files
continue;
if (!p || !*p || !strncmp (str, p, n)) {
tmp_argv[i++] = r_str_newf ("%s/%s", path, str);
if (i == TMP_ARGV_SZ) {
i--;
break;
}
}
}
r_list_purge (list);
free (list);
} else {
eprintf ("\nInvalid directory (%s)\n", path);
}
tmp_argv[i] = NULL;
line->completion.argc = i;
line->completion.argv = tmp_argv;
free (path);
if (pfree)
free (p);
} else if ((!strncmp (line->buffer.data, ".(", 2)) ||
(!strncmp (line->buffer.data, "(-", 2))) {
const char *str = line->buffer.data;
RCmdMacroItem *item;
char buf[1024];
int n, i = 0;
n = line->buffer.length-2;
if (str && !strchr (str+2, ' ')) {
str += 2;
r_list_foreach (core->rcmd->macro.macros, iter, item) {
char *p = item->name;
if (!str || !*str || !strncmp (str, p, n)) {
snprintf (buf, sizeof (buf), "%c%c%s)",
line->buffer.data[0],
line->buffer.data[1],
p);
// eprintf ("------ %p (%s) = %s\n", tmp_argv[i], buf, p);
if (r_is_heap ((void*)tmp_argv[i]))
free ((char *)tmp_argv[i]);
tmp_argv[i] = strdup (buf); // LEAKS
i++;
if (i == TMP_ARGV_SZ)
break;
}
}
}
//tmp_argv[(i-1>0)?i-1:0] = NULL;
tmp_argv[i] = NULL;
line->completion.argc = i;
line->completion.argv = tmp_argv;
} else if (!strncmp (line->buffer.data, "fs ", 3)) {
const char *msg = line->buffer.data + 3;
RFlag *flag = core->flags;
int j, i = 0;
for (j=0; j<R_FLAG_SPACES_MAX-1; j++) {
if (flag->spaces[j] && flag->spaces[j][0]) {
if (i==TMP_ARGV_SZ)
break;
if (!strncmp (msg, flag->spaces[j], strlen (msg))) {
tmp_argv[i++] = flag->spaces[j];
}
}
}
if (flag->spaces[j] && !strncmp (msg, flag->spaces[j],
strlen (msg))) {
tmp_argv[i++] = "*";
}
tmp_argv[i] = NULL;
line->completion.argc = i;
line->completion.argv = tmp_argv;
} else if ((!strncmp (line->buffer.data, "s ", 2)) ||
(!strncmp (line->buffer.data, "ad ", 3)) ||
(!strncmp (line->buffer.data, "bf ", 3)) ||
(!strncmp (line->buffer.data, "ag ", 3)) ||
(!strncmp (line->buffer.data, "afi ", 4)) ||
(!strncmp (line->buffer.data, "afb ", 4)) ||
(!strncmp (line->buffer.data, "afc ", 4)) ||
(!strncmp (line->buffer.data, "axt ", 4)) ||
(!strncmp (line->buffer.data, "axf ", 4)) ||
(!strncmp (line->buffer.data, "aga ", 5)) ||
(!strncmp (line->buffer.data, "agc ", 4)) ||
(!strncmp (line->buffer.data, "agl ", 4)) ||
(!strncmp (line->buffer.data, "agd ", 4)) ||
(!strncmp (line->buffer.data, "agfl ", 5)) ||
(!strncmp (line->buffer.data, "b ", 2)) ||
(!strncmp (line->buffer.data, "dcu ", 4)) ||
(!strncmp (line->buffer.data, "/v ", 3)) ||
(!strncmp (line->buffer.data, "db ", 3)) ||
(!strncmp (line->buffer.data, "db- ", 4)) ||
(!strncmp (line->buffer.data, "f ", 2)) ||
(!strncmp (line->buffer.data, "f- ", 3)) ||
(!strncmp (line->buffer.data, "fr ", 3)) ||
(!strncmp (line->buffer.data, "tf ", 3)) ||
(!strncmp (line->buffer.data, "/a ", 3)) ||
(!strncmp (line->buffer.data, "?v ", 3)) ||
(!strncmp (line->buffer.data, "? ", 2))) {
int n, i = 0;
int sdelta = (line->buffer.data[1]==' ')?2:
(line->buffer.data[2]==' ')?3:4;
n = strlen (line->buffer.data+sdelta);
r_list_foreach (core->flags->flags, iter, flag) {
if (!strncmp (flag->name, line->buffer.data+sdelta, n)) {
tmp_argv[i++] = flag->name;
if (i==TMP_ARGV_SZ)
break;
}
}
tmp_argv[i>255?255:i] = NULL;
line->completion.argc = i;
line->completion.argv = tmp_argv;
} else if (!strncmp (line->buffer.data, "-", 1)) {
int count;
char **keys = r_cmd_alias_keys(core->rcmd, &count);
char *data = line->buffer.data;
if (keys) {
int i, j;
for (i=j=0; i<count; i++) {
if (!strncmp (keys[i], data, line->buffer.index)) {
tmp_argv[j++] = keys[i];
}
}
tmp_argv[j] = NULL;
line->completion.argc = j;
line->completion.argv = tmp_argv;
} else {
line->completion.argc = 0;
line->completion.argv = NULL;
}
} else if ( (!strncmp (line->buffer.data, "e ", 2))
|| (!strncmp (line->buffer.data, "e? ", 3))
|| (!strncmp (line->buffer.data, "e! ", 3))) {
const char p = line->buffer.data[1];
int m = (p == '?' || p == '!') ? 3 : 2;
int i = 0, n = strlen (line->buffer.data+m);
RConfigNode *bt;
RListIter *iter;
r_list_foreach (core->config->nodes, iter, bt) {
if (!strncmp (bt->name, line->buffer.data+m, n)) {
tmp_argv[i++] = bt->name;
if (i==TMP_ARGV_SZ)
break;
}
}
tmp_argv[R_MIN(i, TMP_ARGV_SZ - 1)] = NULL;
line->completion.argc = i;
line->completion.argv = tmp_argv;
} else {
int i, j;
for (i = j = 0; i < CMDS && radare_argv[i]; i++)
if (!strncmp (radare_argv[i], line->buffer.data,
line->buffer.index))
tmp_argv[j++] = radare_argv[i];
tmp_argv[j] = NULL;
line->completion.argc = j;
line->completion.argv = tmp_argv;
}
} else {
int i, j;
for (i=j=0; i<CMDS && radare_argv[i]; i++)
if (!strncmp (radare_argv[i], line->buffer.data,
line->buffer.index))
tmp_argv[j++] = radare_argv[i];
tmp_argv[j] = NULL;
line->completion.argc = j;
line->completion.argv = tmp_argv;
}
return true;
}
R_API int r_core_fgets(char *buf, int len) {
const char *ptr;
RLine *rli = r_line_singleton ();
buf[0] = '\0';
rli->completion.argc = CMDS;
rli->completion.argv = radare_argv;
rli->completion.run = autocomplete;
ptr = r_line_readline ();
if (ptr == NULL)
return -1;
strncpy (buf, ptr, len);
buf[len-1] = 0;
return strlen (buf)+1;
}
/*-----------------------------------*/
#if 0
static int __dbg_read(void *user, int pid, ut64 addr, ut8 *buf, int len)
{
RCore *core = (RCore *)user;
// TODO: pid not used
return r_core_read_at(core, addr, buf, len);
}
static int __dbg_write(void *user, int pid, ut64 addr, const ut8 *buf, int len) {
RCore *core = (RCore *)user;
// TODO: pid not used
return r_core_write_at(core, addr, buf, len);
}
#endif
static const char *r_core_print_offname(void *p, ut64 addr) {
RCore *c = (RCore*)p;
RFlagItem *item = r_flag_get_i (c->flags, addr);
if (item) return item->name;
return NULL;
}
static int __disasm(void *_core, ut64 addr) {
RCore *core = _core;
ut8 buf[32], *oblock;
int len;
oblock = core->block;
r_io_read_at (core->io, addr, (ut8*)buf, sizeof (buf));
len = r_core_print_disasm_instructions (core, sizeof (buf), 1);
core->block = oblock;
return len;
}
static void update_sdb(RCore *core) {
Sdb *d;
RBinObject *o;
if (!core)
return;
//SDB// anal/
if (core->anal && core->anal->sdb)
sdb_ns_set (DB, "anal", core->anal->sdb);
//SDB// bin/
if (core->bin && core->bin->sdb)
sdb_ns_set (DB, "bin", core->bin->sdb);
//SDB// bin/info
o = r_bin_get_object (core->bin);
if (o) {
sdb_ns_set (sdb_ns (DB, "bin", 1), "info", o->kv);
}
//sdb_ns_set (core->sdb, "flags", core->flags->sdb);
//sdb_ns_set (core->sdb, "bin", core->bin->sdb);
//SDB// syscall/
if (core->assembler && core->assembler->syscall && core->assembler->syscall->db) {
core->assembler->syscall->db->refs++;
sdb_ns_set (DB, "syscall", core->assembler->syscall->db);
}
d = sdb_ns (DB, "debug", 1);
core->dbg->sgnls->refs++;
sdb_ns_set (d, "signals", core->dbg->sgnls);
}
// dupped in cmd_type.c
static char *getenumname(void *_core, const char *name, ut64 val) {
const char *isenum;
RCore *core = (RCore*)_core;
isenum = sdb_const_get (core->anal->sdb_types, name, 0);
if (isenum && !strcmp (isenum, "enum")) {
const char *q = sdb_fmt (0, "%s.0x%x", name, val);
return sdb_get (core->anal->sdb_types, q, 0);
} else {
eprintf ("This is not an enum\n");
}
return NULL;
}
// TODO: dupped in cmd_type.c
static char *getbitfield(void *_core, const char *name, ut64 val) {
const char *isenum, *q, *res;
RCore *core = (RCore*)_core;
char *ret = NULL;
int i;
isenum = sdb_const_get (core->anal->sdb_types, name, 0);
if (isenum && !strcmp (isenum, "enum")) {
int isFirst = true;
ret = r_str_concatf (ret, "0x%08"PFMT64x" : ", val);
for (i=0; i < 32; i++) {
if (!(val & (1<<i)))
continue;
q = sdb_fmt (0, "%s.0x%x", name, (1<<i));
res = sdb_const_get (core->anal->sdb_types, q, 0);
if (isFirst) {
isFirst = false;
} else {
ret = r_str_concat (ret, " | ");
}
if (res) {
ret = r_str_concat (ret, res);
} else {
ret = r_str_concatf (ret, "0x%x", (1<<i));
}
}
} else {
eprintf ("This is not an enum\n");
}
return ret;
}
#define MINLEN 1
static int is_string (const ut8 *buf, int size, int *len) {
int i;
if (size < 1) return 0;
if (size > 3 && buf[0] && !buf[1] && buf[2] && !buf[3]) {
*len = 1; // XXX: TODO: Measure wide string length
return 2; // is wide
}
for (i = 0; i < size; i++) {
if (!buf[i] && i > MINLEN) {
*len = i;
return 1;
}
if (buf[i] == 10|| buf[i] == 13|| buf[i] == 9) {
continue;
}
if (buf[i] < 32 || buf[i] > 127) {
// not ascii text
return 0;
}
if (!IS_PRINTABLE (buf[i])) {
*len = i;
return 0;
}
}
*len = i;
return 1;
}
static char *r_core_anal_hasrefs_to_depth(RCore *core, ut64 value, int depth);
R_API char *r_core_anal_hasrefs(RCore *core, ut64 value) {
return r_core_anal_hasrefs_to_depth(core, value, r_config_get_i(core->config, "hex.depth"));
}
static char *r_core_anal_hasrefs_to_depth(RCore *core, ut64 value, int depth) {
RStrBuf *s = r_strbuf_new (NULL);
ut64 type;
RIOSection *sect;
char *mapname;
RAnalFunction *fcn;
RFlagItem *fi;
fi = r_flag_get_i (core->flags, value);
type = r_core_anal_address (core, value);
fcn = r_anal_get_fcn_in (core->anal, value, 0);
if (value && value != UT64_MAX) {
RDebugMap *map = r_debug_map_get (core->dbg, value);
if (map && map->name && map->name[0]) {
mapname = strdup (map->name);
} else {
mapname = NULL;
}
} else {
mapname = NULL;
}
sect = value? r_io_section_vget (core->io, value): NULL;
if(! ((type&R_ANAL_ADDR_TYPE_HEAP)||(type&R_ANAL_ADDR_TYPE_STACK)) ) {
// Do not repeat "stack" or "heap" words unnecessarily.
if (sect && sect->name[0]) {
r_strbuf_appendf (s," (%s)", sect->name);
}
if (mapname) {
r_strbuf_appendf (s, " (%s)", mapname);
free (mapname);
}
}
if (fi) r_strbuf_appendf (s, " %s", fi->name);
if (fcn) r_strbuf_appendf (s, " %s", fcn->name);
if (type) {
const char *c = r_core_anal_optype_colorfor (core, value);
const char *cend = (c && *c) ? Color_RESET: "";
if (!c) c = "";
if (type & R_ANAL_ADDR_TYPE_HEAP) {
r_strbuf_appendf (s, " %sheap%s", c, cend);
} else if (type & R_ANAL_ADDR_TYPE_STACK) {
r_strbuf_appendf (s, " %sstack%s", c, cend);
}
if (type & R_ANAL_ADDR_TYPE_PROGRAM)
r_strbuf_appendf (s, " %sprogram%s", c, cend);
if (type & R_ANAL_ADDR_TYPE_LIBRARY)
r_strbuf_appendf (s, " %slibrary%s", c, cend);
if (type & R_ANAL_ADDR_TYPE_ASCII)
r_strbuf_appendf (s, " %sascii%s", c, cend);
if (type & R_ANAL_ADDR_TYPE_SEQUENCE)
r_strbuf_appendf (s, " %ssequence%s", c, cend);
if (type & R_ANAL_ADDR_TYPE_READ)
r_strbuf_appendf (s, " %sR%s", c, cend);
if (type & R_ANAL_ADDR_TYPE_WRITE)
r_strbuf_appendf (s, " %sW%s", c, cend);
if (type & R_ANAL_ADDR_TYPE_EXEC) {
RAsmOp op;
ut8 buf[32];
r_strbuf_appendf (s, " %sX%s", c, cend);
/* instruction disassembly */
r_io_read_at (core->io, value, buf, sizeof (buf));
r_asm_set_pc (core->assembler, value);
r_asm_disassemble (core->assembler, &op, buf, sizeof (buf));
r_strbuf_appendf (s, " '%s'", op.buf_asm);
/* get library name */
{ // NOTE: dup for mapname?
RDebugMap *map;
RListIter *iter;
r_list_foreach (core->dbg->maps, iter, map) {
if ((value >= map->addr) &&
(value<map->addr_end)) {
const char *lastslash = r_str_lchr (map->name, '/');
r_strbuf_appendf (s, " '%s'", lastslash?
lastslash+1:map->name);
break;
}
}
}
} else if (type & R_ANAL_ADDR_TYPE_READ) {
ut8 buf[32];
ut32 *n32 = (ut32 *)buf;
ut64 *n64 = (ut64*)buf;
r_io_read_at (core->io, value, buf, sizeof (buf));
ut64 n = (core->assembler->bits == 64)? *n64: *n32;
r_strbuf_appendf (s, " 0x%"PFMT64x, n);
}
}
{
ut8 buf[128], widebuf[256];
const char *c = core->cons->pal.ai_ascii;
const char *cend = Color_RESET;
int len, r;
r = r_io_read_at (core->io, value, buf, sizeof(buf));
if (r) {
switch (is_string (buf, sizeof(buf), &len)) {
case 1:
r_strbuf_appendf (s, " (%s%s%s)", c, buf, cend);
break;
case 2:
r = r_utf8_encode_str ((const RRune *)buf, widebuf,
sizeof(widebuf) - 1);
if (r == -1) {
eprintf ("Something was wrong %s-%d\n",
__FILE__, __LINE__);
} else {
r_strbuf_appendf (s, " (%s%s%s)", c, widebuf, cend);
}
break;
}
}
}
if ((type & R_ANAL_ADDR_TYPE_READ) && !(type & R_ANAL_ADDR_TYPE_EXEC) && depth) {
// Try to telescope further, but only several levels deep.
ut8 buf[32];
ut32 *n32 = (ut32 *)buf;
ut64 *n64 = (ut64*)buf;
r_io_read_at (core->io, value, buf, sizeof (buf));
ut64 n = (core->assembler->bits == 64)? *n64: *n32;
if(n != value) {
char* rrstr = r_core_anal_hasrefs_to_depth (core, n, depth-1);
if(rrstr) {
if(rrstr[0]) {
r_strbuf_appendf (s, " -->%s", rrstr);
}
free(rrstr);
}
}
}
{
char *rs = strdup (r_strbuf_get (s));
r_strbuf_free (s);
return rs;
}
}
R_API const char *r_core_anal_optype_colorfor(RCore *core, ut64 addr) {
ut64 type;
if (!(core->print->flags & R_PRINT_FLAGS_COLOR))
return NULL;
type = r_core_anal_address (core, addr);
if (type & R_ANAL_ADDR_TYPE_EXEC)
return core->cons->pal.ai_exec; //Color_RED;
if (type & R_ANAL_ADDR_TYPE_WRITE)
return core->cons->pal.ai_write; //Color_BLUE;
if (type & R_ANAL_ADDR_TYPE_READ)
return core->cons->pal.ai_read; //Color_GREEN;
if (type & R_ANAL_ADDR_TYPE_SEQUENCE)
return core->cons->pal.ai_seq; //Color_MAGENTA;
if (type & R_ANAL_ADDR_TYPE_ASCII)
return core->cons->pal.ai_ascii; //Color_YELLOW;
return NULL;
}
static void r_core_setenv (RCore *core) {
char *e = r_sys_getenv ("PATH");
char *h = r_str_home (".config/radare2/bin");
char *n = r_str_newf ("%s:%s", h, e);
r_sys_setenv ("PATH", n);
free (n);
free (h);
free (e);
}
R_API int r_core_init(RCore *core) {
r_core_setenv(core);
core->cmd_depth = R_CORE_CMD_DEPTH+1;
core->sdb = sdb_new (NULL, "r2kv.sdb", 0); // XXX: path must be in home?
core->lastsearch = NULL;
core->incomment = false;
core->screen_bounds = 0LL;
core->config = NULL;
core->http_up = false;
core->print = r_print_new ();
core->print->user = core;
core->print->get_enumname = getenumname;
core->print->get_bitfield = getbitfield;
core->print->offname = r_core_print_offname;
core->print->cb_printf = (void *)r_cons_printf;
core->print->write = (void *)r_cons_memcat;
core->print->disasm = __disasm;
core->print->colorfor = (RPrintColorFor)r_core_anal_optype_colorfor;
core->print->hasrefs = (RPrintColorFor)r_core_anal_hasrefs;
core->rtr_n = 0;
core->blocksize_max = R_CORE_BLOCKSIZE_MAX;
core->tasks = r_list_new ();
core->watchers = r_list_new ();
core->watchers->free = (RListFree)r_core_cmpwatch_free;
core->scriptstack = r_list_new ();
core->scriptstack->free = (RListFree)free;
core->log = r_core_log_new ();
core->vmode = false;
core->section = NULL;
core->oobi = NULL;
core->oobi_len = 0;
core->printidx = 0;
core->lastcmd = NULL;
core->cmdqueue = NULL;
core->cmdrepeat = true;
core->yank_buf = r_buf_new();
core->num = r_num_new (&num_callback, core);
//core->num->callback = &num_callback;
//core->num->userptr = core;
core->curasmstep = 0;
core->egg = r_egg_new ();
r_egg_setup (core->egg, R_SYS_ARCH, R_SYS_BITS, 0, R_SYS_OS);
/* initialize libraries */
core->cons = r_cons_new ();
if (core->cons->refcnt == 1) {
core->cons = r_cons_singleton ();
if (core->cons->line) {
core->cons->line->user = core;
core->cons->line->editor_cb = \
(RLineEditorCb)&r_core_editor;
}
#if __EMSCRIPTEN__
core->cons->user_fgets = NULL;
#else
core->cons->user_fgets = (void *)r_core_fgets;
#endif
//r_line_singleton()->user = (void *)core;
r_line_hist_load (R2_HOMEDIR"/history");
}
core->print->cons = core->cons;
core->cons->num = core->num;
core->blocksize = R_CORE_BLOCKSIZE;
core->block = (ut8*)malloc (R_CORE_BLOCKSIZE+1);
if (core->block == NULL) {
eprintf ("Cannot allocate %d bytes\n", R_CORE_BLOCKSIZE);
/* XXX memory leak */
return false;
}
core->lang = r_lang_new ();
core->lang->cmd_str = (char *(*)(void *, const char *))r_core_cmd_str;
core->cons->editor = (RConsEditorCallback)r_core_editor;
core->cons->user = (void*)core;
core->lang->cb_printf = r_cons_printf;
r_lang_define (core->lang, "RCore", "core", core);
r_lang_set_user_ptr (core->lang, core);
core->assembler = r_asm_new ();
core->assembler->num = core->num;
r_asm_set_user_ptr (core->assembler, core);
core->anal = r_anal_new ();
core->anal->meta_spaces.cb_printf = r_cons_printf;
core->anal->cb.on_fcn_new = on_fcn_new;
core->anal->cb.on_fcn_delete = on_fcn_delete;
core->anal->cb.on_fcn_rename = on_fcn_rename;
core->assembler->syscall = \
core->anal->syscall; // BIND syscall anal/asm
r_anal_set_user_ptr (core->anal, core);
core->anal->cb_printf = (void *) r_cons_printf;
core->parser = r_parse_new ();
core->parser->anal = core->anal;
core->parser->varlist = r_anal_var_list;
r_parse_set_user_ptr (core->parser, core);
core->bin = r_bin_new ();
core->bin->cb_printf = (PrintfCallback) r_cons_printf;
r_bin_set_user_ptr (core->bin, core);
core->io = r_io_new ();
core->io->ff = 1;
core->io->user = (void *)core;
core->io->cb_core_cmd = core_cmd_callback;
core->io->cb_core_cmdstr = core_cmdstr_callback;
core->sign = r_sign_new ();
core->search = r_search_new (R_SEARCH_KEYWORD);
r_io_undo_enable (core->io, 1, 0); // TODO: configurable via eval
core->fs = r_fs_new ();
core->flags = r_flag_new ();
core->graph = r_agraph_new (r_cons_canvas_new (1, 1));
core->graph->need_reload_nodes = false;
core->asmqjmps_size = R_CORE_ASMQJMPS_NUM;
if (sizeof(ut64) * core->asmqjmps_size < core->asmqjmps_size) {
core->asmqjmps_size = 0;
core->asmqjmps = NULL;
} else {
core->asmqjmps = R_NEWS (ut64, core->asmqjmps_size);
}
r_bin_bind (core->bin, &(core->assembler->binb));
r_bin_bind (core->bin, &(core->anal->binb));
r_bin_bind (core->bin, &(core->anal->binb));
r_io_bind (core->io, &(core->search->iob));
r_io_bind (core->io, &(core->print->iob));
r_io_bind (core->io, &(core->anal->iob));
r_io_bind (core->io, &(core->fs->iob));
r_io_bind (core->io, &(core->bin->iob));
r_flag_bind (core->flags, &(core->anal->flb));
core->file = NULL;
core->files = r_list_new ();
core->files->free = (RListFree)r_core_file_free;
core->offset = 0LL;
r_core_cmd_init (core);
core->dbg = r_debug_new (true);
r_core_bind (core, &core->dbg->corebind);
core->dbg->cb_printf = (PrintfCallback)r_cons_printf;
core->dbg->anal = core->anal; // XXX: dupped instance.. can cause lost pointerz
//r_debug_use (core->dbg, "native");
// XXX pushing unititialized regstate results in trashed reg values
// r_reg_arena_push (core->dbg->reg); // create a 2 level register state stack
// core->dbg->anal->reg = core->anal->reg; // XXX: dupped instance.. can cause lost pointerz
core->sign->cb_printf = r_cons_printf;
core->io->cb_printf = r_cons_printf;
core->dbg->cb_printf = r_cons_printf;
core->dbg->bp->cb_printf = r_cons_printf;
r_debug_io_bind (core->dbg, core->io);
r_core_config_init (core);
r_core_loadlibs_init (core);
//r_core_loadlibs (core);
// TODO: get arch from r_bin or from native arch
r_asm_use (core->assembler, R_SYS_ARCH);
r_anal_use (core->anal, R_SYS_ARCH);
if (R_SYS_BITS & R_SYS_BITS_64)
r_config_set_i (core->config, "asm.bits", 64);
else
if (R_SYS_BITS & R_SYS_BITS_32)
r_config_set_i (core->config, "asm.bits", 32);
r_config_set (core->config, "asm.arch", R_SYS_ARCH);
r_bp_use (core->dbg->bp, R_SYS_ARCH, core->anal->bits);
update_sdb (core);
return 0;
}
R_API RCore *r_core_fini(RCore *c) {
if (!c) return NULL;
/* TODO: it leaks as shit */
//update_sdb (c);
// avoid double free
r_core_free_autocomplete(c);
R_FREE (c->lastsearch);
c->cons->pager = NULL;
r_core_task_join (c, NULL);
free (c->cmdqueue);
free (c->lastcmd);
r_io_free (c->io);
r_num_free (c->num);
// TODO: sync or not? sdb_sync (c->sdb);
// TODO: sync all dbs?
//r_core_file_free (c->file);
//c->file = NULL;
r_list_free (c->files);
r_list_free (c->watchers);
r_list_free (c->scriptstack);
c->rcmd = r_cmd_free (c->rcmd);
c->anal = r_anal_free (c->anal);
c->assembler = r_asm_free (c->assembler);
c->print = r_print_free (c->print);
c->bin = r_bin_free (c->bin); // XXX segfaults rabin2 -c
c->lang = r_lang_free (c->lang); // XXX segfaults
c->dbg = r_debug_free (c->dbg);
r_config_free (c->config);
/* after r_config_free, the value of I.teefile is trashed */
/* rconfig doesnt knows how to deinitialize vars, so we
should probably need to add a r_config_free_payload callback */
r_cons_free ();
r_cons_singleton()->teefile = NULL; // HACK
r_search_free (c->search);
r_sign_free (c->sign);
r_flag_free (c->flags);
r_fs_free (c->fs);
r_egg_free (c->egg);
r_lib_free (c->lib);
r_buf_free (c->yank_buf);
r_agraph_free (c->graph);
R_FREE (c->asmqjmps);
sdb_free (c->sdb);
return NULL;
}
R_API RCore *r_core_free(RCore *c) {
if (c) {
r_core_fini (c);
free (c);
}
return NULL;
}
R_API void r_core_prompt_loop(RCore *r) {
int ret;
do {
if (r_core_prompt (r, false)<1)
break;
// if (lock) r_th_lock_enter (lock);
if ((ret = r_core_prompt_exec (r))==-1)
eprintf ("Invalid command\n");
/* if (lock) r_th_lock_leave (lock);
if (rabin_th && !r_th_wait_async (rabin_th)) {
eprintf ("rabin thread end \n");
r_th_free (rabin_th);
r_th_lock_free (lock);
lock = NULL;
rabin_th = NULL;
}
*/
} while (ret != R_CORE_CMD_EXIT);
}
static int prompt_flag (RCore *r, char *s, size_t maxlen) {
const char DOTS[] = "...";
const RFlagItem *f = r_flag_get_at (r->flags, r->offset);
if (!f) return false;
if (f->offset < r->offset) {
snprintf (s, maxlen, "%s + %" PFMT64u, f->name,
r->offset - f->offset);
} else {
snprintf (s, maxlen, "%s", f->name);
}
if (strlen (s) > maxlen - sizeof (DOTS)) {
s[maxlen - sizeof (DOTS) - 1] = '\0';
strcat (s, DOTS);
}
return true;
}
static void prompt_sec(RCore *r, char *s, size_t maxlen) {
const RIOSection *sec = r_io_section_vget (r->io, r->offset);
if (!sec) return;
snprintf (s, maxlen, "%s:", sec->name);
}
static void chop_prompt (const char *filename, char *tmp, size_t max_tmp_size) {
size_t tmp_len, file_len;
unsigned int OTHRSCH = 3;
const char DOTS[] = "...";
int w, p_len;
w = r_cons_get_size (NULL);
file_len = strlen (filename);
tmp_len = strlen (tmp);
p_len = R_MAX (0, w - 6);
if (file_len + tmp_len + OTHRSCH >= p_len) {
size_t dots_size = sizeof (DOTS);
size_t chop_point = (size_t)(p_len - OTHRSCH - file_len - dots_size - 1);
if (chop_point < (max_tmp_size - dots_size - 1)) {
tmp[chop_point] = '\0';
strncat (tmp, DOTS, dots_size);
}
}
}
static void set_prompt (RCore *r) {
size_t max_tmp_size = 128;
char tmp[max_tmp_size];
char *prompt = NULL;
char *filename = strdup ("");
const char *cmdprompt = r_config_get (r->config, "cmd.prompt");
const char *BEGIN = "";
const char *END = "";
const char *remote = "";
// hacky fix fo rio
r_core_block_read (r, 0);
if (cmdprompt && *cmdprompt)
r_core_cmd (r, cmdprompt, 0);
if (r_config_get_i (r->config, "scr.promptfile")) {
free (filename);
filename = r_str_newf ("\"%s\"",
r_file_basename (r->io->desc->name));
}
if (r->cmdremote) {
char *s = r_core_cmd_str (r, "s");
r->offset = r_num_math (NULL, s);
free (s);
remote = "=!";
}
#if __UNIX__
if (r_config_get_i (r->config, "scr.color")) {
BEGIN = r->cons->pal.prompt;
END = r->cons->pal.reset;
}
#endif
// TODO: also in visual prompt and disasm/hexdump ?
if (r_config_get_i (r->config, "asm.segoff")) {
ut32 a, b;
a = ((r->offset >> 16) << 12);
b = (r->offset & 0xffff);
snprintf (tmp, max_tmp_size, "%04x:%04x", a, b);
} else {
char p[64], sec[32];
int promptset = false;
sec[0] = '\0';
if (r_config_get_i (r->config, "scr.promptflag")) {
promptset = prompt_flag (r, p, sizeof (p));
}
if (r_config_get_i (r->config, "scr.promptsect")) {
prompt_sec (r, sec, sizeof (sec));
}
if (!promptset) {
snprintf (p, sizeof (p), "0x%08" PFMT64x, r->offset);
}
snprintf (tmp, sizeof (tmp), "%s%s", sec, p);
}
chop_prompt (filename, tmp, max_tmp_size);
prompt = r_str_newf ("%s%s[%s%s]>%s ", filename, BEGIN, remote,
tmp, END);
r_line_set_prompt (prompt ? prompt : "");
R_FREE (filename);
R_FREE (prompt);
}
R_API int r_core_prompt(RCore *r, int sync) {
int ret, rnv;
char line[4096];
rnv = r->num->value;
set_prompt (r);
ret = r_cons_fgets (line, sizeof (line), 0, NULL);
if (ret == -2) return R_CORE_CMD_EXIT; // ^D
if (ret == -1) return false; // FD READ ERROR
r->num->value = rnv;
if (sync) {
return r_core_prompt_exec (r);
}
free (r->cmdqueue);
r->cmdqueue = strdup (line);
return true;
}
R_API int r_core_prompt_exec(RCore *r) {
int ret = r_core_cmd (r, r->cmdqueue, true);
r_cons_flush ();
if (r->cons && r->cons->line && r->cons->line->zerosep)
r_cons_zero ();
return ret;
}
R_API int r_core_block_size(RCore *core, int bsize) {
ut8 *bump;
int ret = false;
if (bsize<0) return false;
if (bsize == core->blocksize)
return true;
if (r_sandbox_enable (0)) {
// TODO : restrict to filesize?
if (bsize > 1024*32) {
eprintf ("Sandbox mode restricts blocksize bigger than 32k\n");
return false;
}
}
if (bsize > core->blocksize_max) {
eprintf ("Block size %d is too big\n", bsize);
return false;
}
if (bsize<1) {
bsize = 1;
} else if (core->blocksize_max && bsize>core->blocksize_max) {
eprintf ("bsize is bigger than `bm`. dimmed to 0x%x > 0x%x\n",
bsize, core->blocksize_max);
bsize = core->blocksize_max;
}
bump = realloc (core->block, bsize+1);
if (bump == NULL) {
eprintf ("Oops. cannot allocate that much (%u)\n", bsize);
ret = false;
} else {
ret = true;
core->block = bump;
core->blocksize = bsize;
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core, 0);
}
return ret;
}
R_API int r_core_seek_align(RCore *core, ut64 align, int times) {
int diff, inc = (times>=0)?1:-1;
ut64 seek = core->offset;
if (!align)
return false;
diff = core->offset%align;
if (times == 0)
diff = -diff;
else if (diff) {
if (inc>0) diff += align-diff;
else diff = -diff;
if (times) times -= inc;
}
while ((times*inc)>0) {
times -= inc;
diff += align*inc;
}
if (diff<0 && -diff>seek)
seek = diff = 0;
return r_core_seek (core, seek+diff, 1);
}
R_API char *r_core_op_str(RCore *core, ut64 addr) {
RAsmOp op;
ut8 buf[64];
int ret;
r_asm_set_pc (core->assembler, addr);
r_core_read_at (core, addr, buf, sizeof (buf));
ret = r_asm_disassemble (core->assembler, &op, buf, sizeof (buf));
return (ret>0)?strdup (op.buf_asm): NULL;
}
R_API RAnalOp *r_core_op_anal(RCore *core, ut64 addr) {
ut8 buf[64];
RAnalOp *op = R_NEW (RAnalOp);
r_core_read_at (core, addr, buf, sizeof (buf));
r_anal_op (core->anal, op, addr, buf, sizeof (buf));
return op;
}
static void rap_break (void *u) {
RIORap *rior = (RIORap*) u;
if (u) {
r_socket_free (rior->fd);
rior->fd = NULL;
}
}
// TODO: PLEASE move into core/io/rap? */
// TODO: use static buffer instead of mallocs all the time. it's network!
R_API int r_core_serve(RCore *core, RIODesc *file) {
ut8 cmd, flg, *ptr = NULL, buf[1024];
RSocket *c, *fd;
int i, pipefd;
RIORap *rior;
ut64 x;
int LE = 1; // 1 if host is little LE
rior = (RIORap *)file->data;
if (rior == NULL|| rior->fd == NULL) {
eprintf ("rap: cannot listen.\n");
return -1;
}
fd = rior->fd;
eprintf ("RAP Server started (rap.loop=%s)\n",
r_config_get (core->config, "rap.loop"));
#if __UNIX__
// XXX: ugly workaround
//signal (SIGINT, exit);
//signal (SIGPIPE, SIG_DFL);
#endif
reaccept:
core->io->plugin = NULL;
r_cons_break (rap_break, rior);
while (!core->cons->breaked) {
c = r_socket_accept (fd);
if (!c) break;
if (core->cons->breaked)
return -1;
if (c == NULL) {
eprintf ("rap: cannot accept\n");
/*r_socket_close (c);*/
r_socket_free (c);
return -1;
}
eprintf ("rap: client connected\n");
for (;!core->cons->breaked;) {
if (!r_socket_read (c, &cmd, 1)) {
eprintf ("rap: connection closed\n");
if (r_config_get_i (core->config, "rap.loop")) {
eprintf ("rap: waiting for new connection\n");
/*r_socket_close (c);*/
r_socket_free (c);
goto reaccept;
}
return -1;
}
switch ((ut8)cmd) {
case RMT_OPEN:
r_socket_read_block (c, &flg, 1); // flags
eprintf ("open (%d): ", cmd);
r_socket_read_block (c, &cmd, 1); // len
pipefd = -1;
ptr = malloc (cmd);
//XXX cmd is ut8..so <256 if (cmd<RMT_MAX)
if (ptr == NULL) {
eprintf ("Cannot malloc in rmt-open len = %d\n", cmd);
} else {
RCoreFile *file;
ut64 baddr = r_config_get_i (core->config, "bin.laddr");
r_socket_read_block (c, ptr, cmd); //filename
ptr[cmd] = 0;
file = r_core_file_open (core, (const char *)ptr, R_IO_READ, 0); // XXX: write mode?
if (file) {
r_core_bin_load (core, NULL, baddr);
file->map = r_io_map_add (core->io, file->desc->fd,
R_IO_READ, 0, 0, r_io_desc_size (core->io, file->desc));
if (core->file && core->file->desc) {
pipefd = core->file->desc->fd;
} else {
pipefd = -1;
}
eprintf ("(flags: %d) len: %d filename: '%s'\n",
flg, cmd, ptr); //config.file);
} else {
pipefd = -1;
eprintf ("Cannot open file (%s)\n", ptr);
r_socket_close (c);
return -1; //XXX: Close conection and goto accept
}
}
buf[0] = RMT_OPEN | RMT_REPLY;
r_mem_copyendian (buf+1, (ut8 *)&pipefd, 4, !LE);
r_socket_write (c, buf, 5);
r_socket_flush (c);
#if 0
/* Write meta info */
RMetaItem *d;
r_list_foreach (core->anal->meta->data, iter, d) {
if (d->type == R_META_TYPE_COMMENT)
snprintf ((char *)buf, sizeof (buf), "%s %s @ 0x%08"PFMT64x,
r_meta_type_to_string (d->type), d->str, d->from);
else
snprintf ((char *)buf, sizeof (buf),
"%s %d %s @ 0x%08"PFMT64x,
r_meta_type_to_string (d->type),
(int)(d->to-d->from), d->str, d->from);
i = strlen ((char *)buf);
r_mem_copyendian ((ut8 *)&j, (ut8 *)&i, 4, !LE);
r_socket_write (c, (ut8 *)&j, 4);
r_socket_write (c, buf, i);
r_socket_flush (c);
}
#endif
#if 0
RIOSection *s;
r_list_foreach_prev (core->io->sections, iter, s) {
snprintf ((char *)buf, sizeof (buf),
"S 0x%08"PFMT64x" 0x%08"PFMT64x" 0x%08"PFMT64x" 0x%08"PFMT64x" %s %d",
s->offset, s->vaddr, s->size, s->vsize, s->name, s->rwx);
i = strlen ((char *)buf);
r_mem_copyendian ((ut8 *)&j, (ut8 *)&i, 4, !LE);
r_socket_write (c, (ut8 *)&j, 4);
r_socket_write (c, buf, i);
r_socket_flush (c);
}
#endif
#if 0
int fs = -1;
RFlagItem *flag;
r_list_foreach_prev (core->flags->flags, iter, flag) {
if (fs == -1 || flag->space != fs) {
fs = flag->space;
snprintf ((char *)buf, sizeof (buf),
"fs %s", r_flag_space_get_i (core->flags, fs));
i = strlen ((char *)buf);
r_mem_copyendian ((ut8 *)&j, (ut8 *)&i, 4, !LE);
r_socket_write (c, (ut8 *)&j, 4);
r_socket_write (c, buf, i);
}
snprintf ((char *)buf, sizeof (buf),
"f %s %"PFMT64d" 0x%08"PFMT64x,
flag->name, flag->size, flag->offset);
i = strlen ((char *)buf);
r_mem_copyendian ((ut8 *)&j, (ut8 *)&i, 4, !LE);
r_socket_write (c, (ut8 *)&j, 4);
r_socket_write (c, buf, i);
r_socket_flush (c);
}
snprintf ((char *)buf, sizeof (buf), "s 0x%"PFMT64x, core->offset);
i = strlen ((char *)buf);
r_mem_copyendian ((ut8 *)&j, (ut8 *)&i, 4, !LE);
r_socket_write (c, (ut8 *)&j, 4);
r_socket_write (c, buf, i);
i = 0;
r_socket_write (c, (ut8 *)&i, 4);
r_socket_flush (c);
#endif
free (ptr);
ptr = NULL;
break;
case RMT_READ:
r_socket_read_block (c, (ut8*)&buf, 4);
r_mem_copyendian ((ut8*)&i, buf, 4, !LE);
ptr = (ut8 *)malloc (i+core->blocksize+5);
if (ptr==NULL) {
eprintf ("Cannot read %d bytes\n", i);
r_socket_close (c);
// TODO: reply error here
return -1;
} else {
r_core_block_read (core, 0);
ptr[0] = RMT_READ|RMT_REPLY;
if (i>RMT_MAX)
i = RMT_MAX;
if (i>core->blocksize)
r_core_block_size (core, i);
r_mem_copyendian (ptr+1, (ut8 *)&i, 4, !LE);
memcpy (ptr+5, core->block, i); //core->blocksize);
r_socket_write (c, ptr, i+5);
r_socket_flush (c);
free(ptr);
ptr = NULL;
}
break;
case RMT_CMD:
{
char bufr[8], *bufw = NULL;
char *cmd = NULL, *cmd_output = NULL;
ut32 cmd_len = 0;
int i;
/* read */
r_socket_read_block (c, (ut8*)&bufr, 4);
r_mem_copyendian ((ut8*)&i, (ut8 *)bufr, 4, !LE);
if (i>0 && i<RMT_MAX) {
if ((cmd=malloc (i+1))) {
r_socket_read_block (c, (ut8*)cmd, i);
cmd[i] = '\0';
eprintf ("len: %d cmd: '%s'\n",
i, cmd); fflush(stdout);
cmd_output = r_core_cmd_str (core, cmd);
free (cmd);
} else eprintf ("rap: cannot malloc\n");
} else eprintf ("rap: invalid length '%d'\n", i);
/* write */
if (cmd_output) {
cmd_len = strlen (cmd_output) + 1;
} else {
cmd_output = strdup ("");
cmd_len = 0;
}
bufw = malloc (cmd_len + 5);
bufw[0] = RMT_CMD | RMT_REPLY;
r_mem_copyendian ((ut8*)bufw+1,
(ut8 *)&cmd_len, 4, !LE);
memcpy (bufw+5, cmd_output, cmd_len);
r_socket_write (c, bufw, cmd_len+5);
r_socket_flush (c);
free (bufw);
free (cmd_output);
break;
}
case RMT_WRITE:
r_socket_read (c, buf, 5);
r_mem_copyendian((ut8 *)&x, buf+1, 4, LE);
ptr = malloc (x);
r_socket_read (c, ptr, x);
r_core_write_at (core, core->offset, ptr, x);
free (ptr);
ptr = NULL;
break;
case RMT_SEEK:
r_socket_read_block (c, buf, 9);
r_mem_copyendian((ut8 *)&x, buf+1, 8, !LE);
if (buf[0]!=2) {
r_core_seek (core, x, buf[0]);
x = core->offset;
} else {
if (core->file) {
x = r_io_desc_size (core->io, core->file->desc);
} else {
x = 0;
}
}
buf[0] = RMT_SEEK | RMT_REPLY;
r_mem_copyendian (buf+1, (ut8*)&x, 8, !LE);
r_socket_write (c, buf, 9);
r_socket_flush (c);
break;
case RMT_CLOSE:
eprintf ("CLOSE\n");
// XXX : proper shutdown
r_socket_read_block (c, buf, 4);
r_mem_copyendian ((ut8*)&i, buf, 4, LE);
{
//FIXME: Use r_socket_close
int ret = close (i);
r_mem_copyendian (buf+1, (ut8*)&ret, 4, !LE);
buf[0] = RMT_CLOSE | RMT_REPLY;
r_socket_write (c, buf, 5);
r_socket_flush (c);
}
break;
case RMT_SYSTEM:
// read
r_socket_read_block (c, buf, 4);
r_mem_copyendian ((ut8*)&i, buf, 4, !LE);
if (i>0&&i<RMT_MAX) {
ptr = (ut8 *) malloc (i+7);
if (!ptr) {
r_socket_close (c);
return false;
}
ptr[5]='!';
r_socket_read_block (c, ptr+6, i);
ptr[6+i]='\0';
//env_update();
//pipe_stdout_to_tmp_file((char*)&buf, (char*)ptr+5);
strcpy ((char*)buf, "/tmp/.out");
pipefd = r_cons_pipe_open ((const char *)buf, 1, 0);
//eprintf("SYSTEM(%s)\n", ptr+6);
r_sandbox_system ((const char*)ptr+6, 1);
r_cons_pipe_close (pipefd);
{
FILE *fd = r_sandbox_fopen((char*)buf, "r");
i = 0;
if (fd) {
fseek (fd, 0, SEEK_END);
i = ftell (fd);
fseek (fd, 0, SEEK_SET);
free (ptr);
ptr = NULL; // potential use after free if i == 0
if (i>0) {
int r;
ptr = (ut8 *) malloc (i+6);
if (!ptr) {
fclose (fd);
r_socket_close (c);
return false;
}
r = fread (ptr+5, i, 1, fd);
ptr[5+r]='\0';
}
fclose (fd);
} else {
eprintf ("Cannot open tmpfile\n");
i = -1;
}
}
{
char *out = r_file_slurp ((char*)buf, &i);
free (ptr);
//eprintf("PIPE(%s)\n", out);
ptr = (ut8 *) malloc (i+5);
if (ptr) {
memcpy (ptr+5, out, i);
}
free (out);
}
//unlink((char*)buf);
}
if (!ptr) ptr = (ut8 *) malloc (5); // malloc for 5 byets? c'mon!
if (!ptr) return false;
// send
ptr[0] = (RMT_SYSTEM | RMT_REPLY);
r_mem_copyendian ((ut8*)ptr+1, (ut8*)&i, 4, !LE);
if (i<0) i = 0;
r_socket_write (c, ptr, i+5);
r_socket_flush (c);
eprintf ("REPLY SENT (%d) (%s)\n", i, ptr+5);
free (ptr);
ptr = NULL;
break;
default:
eprintf ("unknown command 0x%02x\n", cmd);
r_socket_close (c);
free (ptr);
ptr = NULL;
return -1;
}
}
r_cons_break_end ();
eprintf ("client: disconnected\n");
}
return -1;
}
R_API int r_core_search_cb(RCore *core, ut64 from, ut64 to, RCoreSearchCallback cb) {
int ret, len = core->blocksize;
ut8 *buf;
if ((buf = malloc (len)) == NULL)
eprintf ("Cannot allocate blocksize\n");
else while (from<to) {
ut64 delta = to-from;
if (delta<len)
len = (int)delta;
if (!r_io_read_at (core->io, from, buf, len)) {
eprintf ("Cannot read at 0x%"PFMT64x"\n", from);
break;
}
for (ret=0; ret<len;) {
int done = cb (core, from, buf+ret, len-ret);
if (done<1) { /* interrupted */
free (buf);
return false;
}
ret += done;
}
from += len;
}
free (buf);
return true;
}
R_API char *r_core_editor (const RCore *core, const char *file, const char *str) {
const char *editor = r_config_get (core->config, "cfg.editor");
char *name, *ret = NULL;
int len, fd;
if (!editor || !*editor) {
return NULL;
}
if (file) {
name = strdup (file);
fd = r_sandbox_open (file, O_RDWR, 0644);
} else {
name = NULL;
fd = r_file_mkstemp ("r2ed", &name);
}
if (fd == -1) {
free (name);
return NULL;
}
if (str) write (fd, str, strlen (str));
close (fd);
if (name && (!editor || !*editor || !strcmp (editor, "-"))) {
r_cons_editor (name, NULL);
} else {
if (editor && name)
r_sys_cmdf ("%s '%s'", editor, name);
}
ret = name? r_file_slurp (name, &len): 0;
if (ret) {
if (len && ret[len - 1] == '\n')
ret[len-1] = 0; // chop
if (!file) {
r_file_rm (name);
}
}
free (name);
return ret;
}
/* weak getters */
R_API RCons *r_core_get_cons (RCore *core) { return core->cons; }
R_API RConfig *r_core_get_config (RCore *core) { return core->config; }
R_API RBin *r_core_get_bin (RCore *core) { return core->bin; }
R_API RBuffer *r_core_syscallf (RCore *core, const char *name, const char *fmt, ...) {
char str[1024];
RBuffer *buf;
va_list ap;
va_start (ap, fmt);
vsnprintf (str, sizeof (str), fmt, ap);
buf = r_core_syscall (core, name, str);
va_end (ap);
return buf;
}
R_API RBuffer *r_core_syscall (RCore *core, const char *name, const char *args) {
int i, num;
RBuffer *b = NULL;
char code[1024];
num = r_syscall_get_num (core->anal->syscall, name);
if (!num) {
num = atoi (name);
}
snprintf (code, sizeof (code),
"sc@syscall(%d);\n"
"main@global(0) { sc(%s);\n"
":int3\n" /// XXX USE trap
"}\n", num, args);
r_egg_reset (core->egg);
// TODO: setup arch/bits/os?
r_egg_load (core->egg, code, 0);
if (!r_egg_compile (core->egg))
eprintf ("Cannot compile.\n");
if (!r_egg_assemble (core->egg))
eprintf ("r_egg_assemble: invalid assembly\n");
if ((b = r_egg_get_bin (core->egg))) {
if (b->length>0) {
for (i=0; i<b->length; i++)
r_cons_printf ("%02x", b->buf[i]);
r_cons_printf ("\n");
}
}
return b;
}