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webfs: fix url escaping so it works with torrent

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This commit is contained in:
cinap_lenrek 2011-10-24 17:12:16 +02:00
parent c50bef06dd
commit f6db05a457
1 changed files with 13 additions and 15 deletions
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28
sys/src/cmd/webfs/url.c
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@ -711,9 +711,9 @@ postparse_http(Url *u)
u->http.page_spec = estrdup("/");
return 0;
}
p = escapeurl(u->path, " \"<>#%\\");
p = escapeurl(u->path, "/");
if(u->query){
q = escapeurl(u->query, " \"<>#%\\");
q = escapeurl(u->query, "&=");
u->http.page_spec = emalloc(strlen(p)+1+strlen(q)+1);
strcpy(u->http.page_spec, p);
strcat(u->http.page_spec, "?");
@ -985,25 +985,22 @@ dhex(char c)
char*
escapeurl(char *s, char *special)
{
int n;
char *t, *u;
static char *hex = "0123456789abcdef";
char *t, *u;
n = 0;
for(t=s; *t; t++)
if(*t <= 0x1F || *t >= 0x7F || strchr(special, *t))
n++;
u = emalloc(strlen(s)+2*n+1);
t = u;
t = u = emalloc(strlen(s)*3+1);
for(; *s; s++){
if(s[0] == '%' && isxdigit(s[1]) && isxdigit(s[2]))
if((s[0] == '%' && isxdigit(s[1]) && isxdigit(s[2])) ||
(*s >= '0' && *s <= '9') ||
(*s >= 'a' && *s <= 'z') ||
(*s >= 'A' && *s <= 'Z') ||
strchr(".-_~", *s) || strchr(special, *s))
*u++ = *s;
else if(*s <= 0x1F || *s >= 0x7F || strchr(special, *s)){
else {
*u++ = '%';
*u++ = hex[(*s>>4)&0xF];
*u++ = hex[*s&0xF];
}else
*u++ = *s;
}
}
*u = '\0';
return t;
@ -1012,7 +1009,8 @@ escapeurl(char *s, char *special)
char*
unescapeurl(char *s, char *special)
{
char *r, *w, x;
char *r, *w;
Rune x;
s = estrdup(s);
for(r=w=s; x = *r; r++){