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-rw-r--r--src/encode/base64.c116
-rw-r--r--src/encode/uuencode.c130
2 files changed, 123 insertions, 123 deletions
diff --git a/src/encode/base64.c b/src/encode/base64.c
index 2cdda7e..d6b3474 100644
--- a/src/encode/base64.c
+++ b/src/encode/base64.c
@@ -5,70 +5,70 @@
#include "../crypto.h"
int char_index(int c){
- if(c <= 25) return 65 + c;
- if(c <= 51) return 71 + c;
- if(c <= 61) return (c - 52)+48;
- if(c == 62) return 43;
- if(c == 63) return 47;
- return 61;
+ if(c <= 25) return 65 + c;
+ if(c <= 51) return 71 + c;
+ if(c <= 61) return (c - 52)+48;
+ if(c == 62) return 43;
+ if(c == 63) return 47;
+ return 61;
}
int ichar_index(int c){
- if(65 <= c && c <= 90) return c - 65;
- if(97 <= c && c <= 122) return c - 97 + 26;
- if(48 <= c && c <= 57) return c - 48 + 52;
- if(c == 47) return 63;
- return 0;
+ if(65 <= c && c <= 90) return c - 65;
+ if(97 <= c && c <= 122) return c - 97 + 26;
+ if(48 <= c && c <= 57) return c - 48 + 52;
+ if(c == 47) return 63;
+ return 0;
}
int de_base64(char* in, char* out){
- int len = 0;
- for(int i = 0; in[i]!='\0'; i++) len++;
-
- //char out[len];
- for(int i = 0; i < len; i+=4){
- uint8_t u1 = i>len?0:in[i];
- uint8_t u2 = i+1>len?0:in[i+1];
- uint8_t u3 = i+2>len?0:in[i+2];
- uint8_t u4 = i+3>len?0:in[i+3];
-
- u1 = ichar_index(u1);
- u2 = ichar_index(u2);
- u3 = ichar_index(u3);
- u4 = ichar_index(u4);
-
- uint8_t left = u1 << 2 | u2 >> 4;
- uint8_t middle = u2 << 4 | u3 >> 2;
- uint8_t right = u3 << 6 | u4;
-
- if(u4==0) sprintf(out,"%s%c%c",out,left,middle);
- else if(u3==0) sprintf(out,"%s%c",out,left);
- else sprintf(out,"%s%c%c%c",out,left,middle,right);
-
- }
- return 0;
+ int len = 0;
+ for(int i = 0; in[i]!='\0'; i++) len++;
+
+ //char out[len];
+ for(int i = 0; i < len; i+=4){
+ uint8_t u1 = i>len?0:in[i];
+ uint8_t u2 = i+1>len?0:in[i+1];
+ uint8_t u3 = i+2>len?0:in[i+2];
+ uint8_t u4 = i+3>len?0:in[i+3];
+
+ u1 = ichar_index(u1);
+ u2 = ichar_index(u2);
+ u3 = ichar_index(u3);
+ u4 = ichar_index(u4);
+
+ uint8_t left = u1 << 2 | u2 >> 4;
+ uint8_t middle = u2 << 4 | u3 >> 2;
+ uint8_t right = u3 << 6 | u4;
+
+ if(u4==0) sprintf(out,"%s%c%c",out,left,middle);
+ else if(u3==0) sprintf(out,"%s%c",out,left);
+ else sprintf(out,"%s%c%c%c",out,left,middle,right);
+
+ }
+ return 0;
}
int en_base64(char* in, char* out){
- int len = 0;
- for(int i = 0; in[i]!='\0'; i++) len++;
-
- //char out[(len+1)*3];
- for(int i = 0; i < len; i+=3){
- uint8_t f = i>len?0:in[i];
- uint8_t s = i+1>len?0:in[i+1];
- uint8_t t = i+2>len?0:in[i+2];
-
- uint8_t i1 = f>>2;
- uint8_t i2 = (uint8_t)(f<<6)>>2 | (s>>4);
- uint8_t i3 = (uint8_t)(s<<4)>>2 | (t>>6);
- uint8_t i4 = t & 0x3f;
-
- if(t==0)i4 = 64;
- if(s==0)i3 = 64;
- sprintf(out,"%s%c%c%c%c",out,char_index(i1),char_index(i2),
- char_index(i3),char_index(i4));
- }
- return 0;
+ int len = 0;
+ for(int i = 0; in[i]!='\0'; i++) len++;
+
+ //char out[(len+1)*3];
+ for(int i = 0; i < len; i+=3){
+ uint8_t f = i>len?0:in[i];
+ uint8_t s = i+1>len?0:in[i+1];
+ uint8_t t = i+2>len?0:in[i+2];
+
+ uint8_t i1 = f>>2;
+ uint8_t i2 = (uint8_t)(f<<6)>>2 | (s>>4);
+ uint8_t i3 = (uint8_t)(s<<4)>>2 | (t>>6);
+ uint8_t i4 = t & 0x3f;
+
+ if(t==0)i4 = 64;
+ if(s==0)i3 = 64;
+ sprintf(out,"%s%c%c%c%c",out,char_index(i1),char_index(i2),
+ char_index(i3),char_index(i4));
+ }
+ return 0;
}
int l_base64encode(lua_State* L){
@@ -76,7 +76,7 @@ int l_base64encode(lua_State* L){
const char* _a = lua_tolstring(L, 1, &len);
char *a = calloc(len, sizeof * a);
memcpy(a, _a, len);
-
+
char* encode = calloc(len * 3,sizeof * encode);
en_base64(a, encode);
lua_pushstring(L, encode);
@@ -95,7 +95,7 @@ int l_base64decode(lua_State* L){
char* encode = calloc(len, sizeof *encode);
de_base64(a, encode);
lua_pushstring(L, encode);
-
+
free(a);
free(encode);
return 1;
diff --git a/src/encode/uuencode.c b/src/encode/uuencode.c
index 6f92fb0..b692fdc 100644
--- a/src/encode/uuencode.c
+++ b/src/encode/uuencode.c
@@ -5,79 +5,79 @@
#include "../crypto.h"
int uuechar_index(int c){
- return c + 32;
+ return c + 32;
}
int uueichar_index(int c){
- return c - 32;
+ return c - 32;
}
int de_uu(char* in2, char* out){
- int len = 0;
- for(int i = 0; in2[i]!='\0'; i++) len++;
- char in[len*2];
- sprintf(in," %s",in2); //padding byte to make things cleaner
-
- //char out[len];
- int skipped = 0;
- for(int i = 0; i<len; i+=4){
- if((i - skipped*2)%60==0){
- i+=2;
- skipped+=1;
- };
-
- uint8_t u1 = i>len?0:in[i];
- uint8_t u2 = i+1>len?0:in[i+1];
- uint8_t u3 = i+2>len?0:in[i+2];
- uint8_t u4 = i+3>len?0:in[i+3];
-
- u1 = uueichar_index(u1);
- u2 = uueichar_index(u2);
- u3 = uueichar_index(u3);
- u4 = uueichar_index(u4);
-
- uint8_t left = u1 << 2 | u2 >> 4;
- uint8_t middle = u2 << 4 | u3 >> 2;
- uint8_t right = u3 << 6 | u4;
- if(u1 < 64 && u2 < 64){
- sprintf(out,"%s%c",out,left);
- }
- if(u2 < 64 && u3 < 64){
- sprintf(out,"%s%c",out,middle);
- }
- if(u3 < 64 && u4 < 64){
- sprintf(out,"%s%c",out,right);
- }
-
+ int len = 0;
+ for(int i = 0; in2[i]!='\0'; i++) len++;
+ char in[len*2];
+ sprintf(in," %s",in2); //padding byte to make things cleaner
+
+ //char out[len];
+ int skipped = 0;
+ for(int i = 0; i<len; i+=4){
+ if((i - skipped*2)%60==0){
+ i+=2;
+ skipped+=1;
+ };
+
+ uint8_t u1 = i>len?0:in[i];
+ uint8_t u2 = i+1>len?0:in[i+1];
+ uint8_t u3 = i+2>len?0:in[i+2];
+ uint8_t u4 = i+3>len?0:in[i+3];
+
+ u1 = uueichar_index(u1);
+ u2 = uueichar_index(u2);
+ u3 = uueichar_index(u3);
+ u4 = uueichar_index(u4);
+
+ uint8_t left = u1 << 2 | u2 >> 4;
+ uint8_t middle = u2 << 4 | u3 >> 2;
+ uint8_t right = u3 << 6 | u4;
+ if(u1 < 64 && u2 < 64){
+ sprintf(out,"%s%c",out,left);
}
- return 0;
+ if(u2 < 64 && u3 < 64){
+ sprintf(out,"%s%c",out,middle);
+ }
+ if(u3 < 64 && u4 < 64){
+ sprintf(out,"%s%c",out,right);
+ }
+
+ }
+ return 0;
}
int en_uu(char* in, char* out){
- int len = 0;
- for(int i = 0; in[i]!='\0'; i++) len++;
-
- for(int i = 0; i < len; i+=3){
- uint8_t f = i>len?0:in[i];
- uint8_t s = i+1>len?0:in[i+1];
- uint8_t t = i+2>len?0:in[i+2];
-
- uint8_t i1 = f>>2;
- uint8_t i2 = (uint8_t)(f<<6)>>2 | (s>>4);
- uint8_t i3 = (uint8_t)(s<<4)>>2 | (t>>6);
- uint8_t i4 = t & 0x3f;
-
- if(t==0)i4 = 64;
- if(s==0)i3 = 64;
- if(i / 3 * 4 % 60 == 0){
- if(i==0) sprintf(out,"%c",(len - i >= 45) ? 'M':uuechar_index(len - i));
- else sprintf(out,"%s\n%c",out,(len - i >= 45) ? 'M':uuechar_index(len - i));
- }
- sprintf(out,"%s%c%c%c%c",out,uuechar_index(i1),uuechar_index(i2),
- uuechar_index(i3),uuechar_index(i4));
+ int len = 0;
+ for(int i = 0; in[i]!='\0'; i++) len++;
+
+ for(int i = 0; i < len; i+=3){
+ uint8_t f = i>len?0:in[i];
+ uint8_t s = i+1>len?0:in[i+1];
+ uint8_t t = i+2>len?0:in[i+2];
+
+ uint8_t i1 = f>>2;
+ uint8_t i2 = (uint8_t)(f<<6)>>2 | (s>>4);
+ uint8_t i3 = (uint8_t)(s<<4)>>2 | (t>>6);
+ uint8_t i4 = t & 0x3f;
+
+ if(t==0)i4 = 64;
+ if(s==0)i3 = 64;
+ if(i / 3 * 4 % 60 == 0){
+ if(i==0) sprintf(out,"%c",(len - i >= 45) ? 'M':uuechar_index(len - i));
+ else sprintf(out,"%s\n%c",out,(len - i >= 45) ? 'M':uuechar_index(len - i));
}
- sprintf(out,"%s\n`",out);
-
- return 0;
+ sprintf(out,"%s%c%c%c%c",out,uuechar_index(i1),uuechar_index(i2),
+ uuechar_index(i3),uuechar_index(i4));
+ }
+ sprintf(out,"%s\n`",out);
+
+ return 0;
}
@@ -87,7 +87,7 @@ int l_uuencode(lua_State* L){
const char* _a = lua_tolstring(L, 1, &len);
char *a = calloc(len, sizeof * a);
memcpy(a, _a, len);
-
+
char* encode = calloc(len * 3,sizeof * encode);
en_uu(a, encode);
lua_pushstring(L, encode);
@@ -102,7 +102,7 @@ int l_uudecode(lua_State* L){
const char* _a = lua_tolstring(L, 1, &len);
char *a = calloc(len, sizeof * a);
memcpy(a, _a, len);
-
+
char* encode = calloc(len,sizeof * encode);
de_uu(a, encode);
lua_pushstring(L, encode);
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-13 14:48:16 +0000