Conflicts:
	tools.c
This commit is contained in:
vysheng 2014-01-10 21:16:26 +04:00
commit 77f56cfd57
9 changed files with 56 additions and 49 deletions

15
main.c
View File

@ -180,12 +180,19 @@ char *make_full_path (char *s) {
return s; return s;
} }
void running_for_first_time (void) { void check_type_sizes (void) {
if (sizeof (void) != 1) { if (sizeof (int) != 4u) {
logprintf ("sizeof (void) isn't equal 1\n"); logprintf ("sizeof (int) isn't equal 4.\n");
logprintf ("GNU C compiler extension isn't available?\n");
exit (1); exit (1);
} }
if (sizeof (char) != 1u) {
logprintf ("sizeof (char) isn't equal 1.\n");
exit (1);
}
}
void running_for_first_time (void) {
check_type_sizes ();
if (config_filename) { if (config_filename) {
return; // Do not create custom config file return; // Do not create custom config file
} }

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@ -40,7 +40,6 @@
#include <netinet/in.h> #include <netinet/in.h>
#include <netinet/tcp.h> #include <netinet/tcp.h>
#include <poll.h> #include <poll.h>
#include <zlib.h>
#include "net.h" #include "net.h"
#include "include.h" #include "include.h"
@ -1493,26 +1492,13 @@ void work_packed (struct connection *c, long long msg_id) {
int l = prefetch_strlen (); int l = prefetch_strlen ();
char *s = fetch_str (l); char *s = fetch_str (l);
size_t dl = MAX_PACKED_SIZE;
z_stream strm; int total_out = tinflate (s, l, buf, MAX_PACKED_SIZE);
memset (&strm, 0, sizeof (strm));
assert (inflateInit2 (&strm, 16 + MAX_WBITS) == Z_OK);
strm.avail_in = l;
strm.next_in = (void *)s;
strm.avail_out = MAX_PACKED_SIZE;
strm.next_out = (void *)buf;
int err = inflate (&strm, Z_FINISH);
if (verbosity) {
logprintf ( "inflate error = %d\n", err);
logprintf ( "inflated %d bytes\n", (int)strm.total_out);
}
int *end = in_ptr; int *end = in_ptr;
int *eend = in_end; int *eend = in_end;
assert (dl % 4 == 0); //assert (total_out % 4 == 0);
in_ptr = buf; in_ptr = buf;
in_end = in_ptr + strm.total_out / 4; in_end = in_ptr + total_out / 4;
if (verbosity >= 4) { if (verbosity >= 4) {
logprintf ( "Unzipped data: "); logprintf ( "Unzipped data: ");
hexdump_in (); hexdump_in ();

View File

@ -52,7 +52,7 @@ long long rsa_encrypted_chunks, rsa_decrypted_chunks;
BN_CTX *BN_ctx; BN_CTX *BN_ctx;
int verbosity; int verbosity;
int get_random_bytes (void *buf, int n) { int get_random_bytes (unsigned char *buf, int n) {
int r = 0, h = open ("/dev/random", O_RDONLY | O_NONBLOCK); int r = 0, h = open ("/dev/random", O_RDONLY | O_NONBLOCK);
if (h >= 0) { if (h >= 0) {
r = read (h, buf, n); r = read (h, buf, n);

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@ -427,7 +427,7 @@ static inline void fetch_ints (void *data, int count) {
in_ptr += count; in_ptr += count;
} }
int get_random_bytes (void *buf, int n); int get_random_bytes (unsigned char *buf, int n);
int pad_rsa_encrypt (char *from, int from_len, char *to, int size, BIGNUM *N, BIGNUM *E); int pad_rsa_encrypt (char *from, int from_len, char *to, int size, BIGNUM *N, BIGNUM *E);
int pad_rsa_decrypt (char *from, int from_len, char *to, int size, BIGNUM *N, BIGNUM *D); int pad_rsa_decrypt (char *from, int from_len, char *to, int size, BIGNUM *N, BIGNUM *D);

9
net.c
View File

@ -115,7 +115,8 @@ void delete_connection_buffer (struct connection_buffer *b) {
tfree (b, sizeof (*b)); tfree (b, sizeof (*b));
} }
int write_out (struct connection *c, const void *data, int len) { int write_out (struct connection *c, const void *_data, int len) {
const unsigned char *data = _data;
if (!len) { return 0; } if (!len) { return 0; }
assert (len > 0); assert (len > 0);
int x = 0; int x = 0;
@ -146,7 +147,8 @@ int write_out (struct connection *c, const void *data, int len) {
return x; return x;
} }
int read_in (struct connection *c, void *data, int len) { int read_in (struct connection *c, void *_data, int len) {
unsigned char *data = _data;
if (!len) { return 0; } if (!len) { return 0; }
assert (len > 0); assert (len > 0);
if (len > c->in_bytes) { if (len > c->in_bytes) {
@ -177,7 +179,8 @@ int read_in (struct connection *c, void *data, int len) {
return x; return x;
} }
int read_in_lookup (struct connection *c, void *data, int len) { int read_in_lookup (struct connection *c, void *_data, int len) {
unsigned char *data = _data;
if (!len || !c->in_bytes) { return 0; } if (!len || !c->in_bytes) { return 0; }
assert (len > 0); assert (len > 0);
if (len > c->in_bytes) { if (len > c->in_bytes) {

8
net.h
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@ -93,10 +93,10 @@ struct dc_serialized {
}; };
struct connection_buffer { struct connection_buffer {
void *start; unsigned char *start;
void *end; unsigned char *end;
void *rptr; unsigned char *rptr;
void *wptr; unsigned char *wptr;
struct connection_buffer *next; struct connection_buffer *next;
}; };

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@ -20,7 +20,6 @@
#include <string.h> #include <string.h>
#include <memory.h> #include <memory.h>
#include <stdlib.h> #include <stdlib.h>
#include <zlib.h>
#include <unistd.h> #include <unistd.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
@ -215,26 +214,12 @@ void query_result (long long id UU) {
fetch_int (); fetch_int ();
int l = prefetch_strlen (); int l = prefetch_strlen ();
char *s = fetch_str (l); char *s = fetch_str (l);
size_t dl = MAX_PACKED_SIZE; int total_out = tinflate (s, l, packed_buffer, MAX_PACKED_SIZE);
z_stream strm;
memset (&strm, 0, sizeof (strm));
assert (inflateInit2 (&strm, 16 + MAX_WBITS) == Z_OK);
strm.avail_in = l;
strm.next_in = (void *)s;
strm.avail_out = MAX_PACKED_SIZE;
strm.next_out = (void *)packed_buffer;
int err = inflate (&strm, Z_FINISH);
if (verbosity) {
logprintf ( "inflate error = %d\n", err);
logprintf ( "inflated %d bytes\n", (int)strm.total_out);
}
end = in_ptr; end = in_ptr;
eend = in_end; eend = in_end;
assert (dl % 4 == 0); //assert (total_out % 4 == 0);
in_ptr = packed_buffer; in_ptr = packed_buffer;
in_end = in_ptr + strm.total_out / 4; in_end = in_ptr + total_out / 4;
if (verbosity >= 4) { if (verbosity >= 4) {
logprintf ( "Unzipped data: "); logprintf ( "Unzipped data: ");
hexdump_in (); hexdump_in ();
@ -2329,7 +2314,7 @@ void do_create_keys_end (struct secret_chat *U) {
ensure_ptr (a); ensure_ptr (a);
ensure (BN_mod_exp (r, g_b, a, p, ctx)); ensure (BN_mod_exp (r, g_b, a, p, ctx));
void *t = talloc (256); unsigned char *t = talloc (256);
memcpy (t, U->key, 256); memcpy (t, U->key, 256);
memset (U->key, 0, sizeof (U->key)); memset (U->key, 0, sizeof (U->key));

25
tools.c
View File

@ -24,10 +24,12 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <openssl/err.h> #include <openssl/err.h>
#include <zlib.h>
#include "interface.h" #include "interface.h"
#include "tools.h" #include "tools.h"
extern int verbosity;
static void out_of_memory (void) { static void out_of_memory (void) {
logprintf ("Out of memory\n"); logprintf ("Out of memory\n");
@ -137,3 +139,26 @@ void ensure_ptr (void *p) {
out_of_memory (); out_of_memory ();
} }
} }
int tinflate (void *input, int ilen, void *output, int olen) {
z_stream strm;
memset (&strm, 0, sizeof (strm));
assert (inflateInit2 (&strm, 16 + MAX_WBITS) == Z_OK);
strm.avail_in = ilen;
strm.next_in = input;
strm.avail_out = olen ;
strm.next_out = output;
int err = inflate (&strm, Z_FINISH), total_out = 0;
if (err == Z_OK || err == Z_STREAM_END) {
total_out = (int) strm.total_out;
if (err == Z_STREAM_END && verbosity >= 2) {
logprintf ( "inflated %d bytes\n", (int) strm.total_out);
}
}
if (verbosity && err != Z_STREAM_END) {
logprintf ( "inflate error = %d\n", err);
logprintf ( "inflated %d bytes\n", (int) strm.total_out);
}
inflateEnd (&strm);
return total_out;
}

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@ -24,6 +24,7 @@ void *talloc (size_t size);
void *trealloc (void *ptr, size_t old_size, size_t size); void *trealloc (void *ptr, size_t old_size, size_t size);
void *talloc0 (size_t size); void *talloc0 (size_t size);
char *tstrdup (const char *s); char *tstrdup (const char *s);
int tinflate (void *input, int ilen, void *output, int olen);
void ensure (int r); void ensure (int r);
void ensure_ptr (void *p); void ensure_ptr (void *p);