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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -27,10 +27,10 @@ static char encode(unsigned char u); | |
| static unsigned char decode(char c); | ||
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| /** | ||
| * Implementation of base64 encoding/decoding. | ||
| * Implementation of base64 encoding/decoding. | ||
| * @author Jan-Henrik Haukeland, <[email protected]> | ||
| * @version \$Id: base64.c,v 1.19 2007/07/25 12:54:31 hauk Exp $ | ||
| * | ||
| * | ||
| */ | ||
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| /** | ||
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@@ -40,8 +40,8 @@ static unsigned char decode(char c); | |
| * @param src The data to be base64 encode | ||
| * @return encoded string otherwise NULL | ||
| */ | ||
| char | ||
| *encode_base64(int size, unsigned char *src) | ||
| char | ||
| *encode_base64(int size, unsigned char *src) | ||
| { | ||
| int i; | ||
| char *out, *p; | ||
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@@ -51,36 +51,36 @@ char | |
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| if(!size) | ||
| size= strlen((char *)src); | ||
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| out = g_malloc0(size*4/3+4); | ||
| p = out; | ||
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| for(i=0; i<size; i+=3) { | ||
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| unsigned char b1=0, b2=0, b3=0, b4=0, b5=0, b6=0, b7=0; | ||
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| b1 = src[i]; | ||
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| if(i+1<size) | ||
| b2 = src[i+1]; | ||
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| if(i+2<size) | ||
| b3 = src[i+2]; | ||
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| b4= b1>>2; | ||
| b5= ((b1&0x3)<<4)|(b2>>4); | ||
| b6= ((b2&0xf)<<2)|(b3>>6); | ||
| b7= b3&0x3f; | ||
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| *p++= encode(b4); | ||
| *p++= encode(b5); | ||
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| if(i+1<size) { | ||
| *p++= encode(b6); | ||
| } else { | ||
| *p++= '='; | ||
| } | ||
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| if(i+2<size) { | ||
| *p++= encode(b7); | ||
| } else { | ||
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@@ -100,54 +100,54 @@ char | |
| * @return (the length of the decoded string) if decode | ||
| * succeeded otherwise FALSE. | ||
| */ | ||
| int | ||
| decode_base64(unsigned char *dest, const char *src) | ||
| int | ||
| decode_base64(unsigned char *dest, const char *src) | ||
| { | ||
| if(src && *src) { | ||
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| unsigned char *p= dest; | ||
| int k, l= strlen(src)+1; | ||
| unsigned char *buf= g_malloc0(l); | ||
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| /* Ignore non base64 chars as per the POSIX standard */ | ||
| for(k=0, l=0; src[k]; k++) { | ||
| if(is_base64(src[k])) { | ||
| buf[l++]= src[k]; | ||
| } | ||
| } | ||
| } | ||
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| for(k=0; k<l; k+=4) { | ||
| char c1='A', c2='A', c3='A', c4='A'; | ||
| unsigned char b1=0, b2=0, b3=0, b4=0; | ||
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| c1= buf[k]; | ||
| if(k+1<l) { | ||
| c2= buf[k+1]; | ||
| } | ||
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| if(k+2<l) { | ||
| c3= buf[k+2]; | ||
| } | ||
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| if(k+3<l) { | ||
| c4= buf[k+3]; | ||
| } | ||
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| b1= decode(c1); | ||
| b2= decode(c2); | ||
| b3= decode(c3); | ||
| b4= decode(c4); | ||
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| *p++=((b1<<2)|(b2>>4) ); | ||
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| if(c3 != '=') { | ||
| *p++=(((b2&0xf)<<4)|(b3>>2) ); | ||
| } | ||
| if(c4 != '=') { | ||
| *p++=(((b3&0x3)<<6)|b4 ); | ||
| } | ||
| } | ||
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| g_free(buf); | ||
| return(p-dest); | ||
| } | ||
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@@ -157,23 +157,23 @@ decode_base64(unsigned char *dest, const char *src) | |
| /** | ||
| * Base64 encode one byte | ||
| */ | ||
| static char | ||
| encode(unsigned char u) | ||
| static char | ||
| encode(unsigned char u) | ||
| { | ||
| if(u < 26) return 'A'+u; | ||
| if(u < 52) return 'a'+(u-26); | ||
| if(u < 62) return '0'+(u-52); | ||
| if(u == 62) return '-'; /* was + */ | ||
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| /* return '/'; */ | ||
| return '_'; | ||
| } | ||
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| /** | ||
| * Decode a base64 character | ||
| */ | ||
| static unsigned char | ||
| decode(char c) | ||
| static unsigned char | ||
| decode(char c) | ||
| { | ||
| if(c >= 'A' && c <= 'Z') return(c - 'A'); | ||
| if(c >= 'a' && c <= 'z') return(c - 'a' + 26); | ||
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@@ -185,8 +185,8 @@ decode(char c) | |
| /** | ||
| * Return TRUE if 'c' is a valid base64 character, otherwise FALSE | ||
| */ | ||
| static int | ||
| is_base64(char c) | ||
| static int | ||
| is_base64(char c) | ||
| { | ||
| if((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || | ||
| (c >= '0' && c <= '9') || (c == '-') || | ||
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