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http: lowercase GET/POST and X-Limit values

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Jan-Piet Mens
2015-09-09 19:42:00 +02:00
parent 2b0cb67d25
commit cacfb3059e
1 changed files with 18 additions and 3 deletions
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21
http.c
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@@ -24,6 +24,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "json.h"
#include "config.h"
#include "util.h"
@@ -71,6 +72,16 @@ static int send_reply(struct mg_connection *conn)
}
}
static void lowercase(char *s)
{
char *bp;
for (bp = s; bp && *bp; bp++) {
if (isupper(*bp))
*bp = tolower(*bp);
}
}
/*
* Return a copy of a GET/POST parameter or NULL. The parameter
* may be overriden by an HTTP header called X-Limit-<fieldname>.
@@ -79,7 +90,7 @@ static int send_reply(struct mg_connection *conn)
static char *field(struct mg_connection *conn, char *fieldname)
{
char buf[BUFSIZ];
char buf[BUFSIZ], *p;
int ret, n;
snprintf(buf, sizeof(buf), "X-Limit-%s", fieldname);
@@ -90,12 +101,16 @@ static char *field(struct mg_connection *conn, char *fieldname)
hh = &conn->http_headers[n];
// fprintf(stderr, " %s=%s\n", hh->name, hh->value);
if (*hh->name == 'X' && strcasecmp(hh->name, buf) == 0) {
return (strdup(hh->value));
p = strdup(hh->value);
lowercase(p);
return (p);
}
}
if ((ret = mg_get_var(conn, fieldname, buf, sizeof(buf))) > 0) {
return (strdup(buf));
p = strdup(buf);
lowercase(p);
return (p);
}
return (NULL);
}