Use fnopen() instead of fopen() to open can/cfg files for searching/appending

src/sbbs3/findstr.c

@@ -21,6 +21,7 @@
 
 #include "genwrap.h"
 #include "findstr.h"
+#include "nopen.h"
 
 /****************************************************************************/
 /* Pattern matching string search of 'search' in 'pattern'.					*/
@@ -200,7 +201,7 @@ BOOL find2strs(const char* str1, const char* str2, const char* fname)
 	if(fname == NULL || *fname == '\0')
 		return FALSE;
 
-	if((fp=fopen(fname,"r"))==NULL)
+	if ((fp = fnopen(NULL, fname, O_RDONLY)) == NULL)
 		return FALSE; 
 
 	ip_addr1 = parse_ipv4_address(str1);
@@ -236,7 +237,7 @@ str_list_t findstr_list(const char* fname)
 	FILE*	fp;
 	str_list_t	list;
 
-	if((fp=fopen(fname,"r"))==NULL)
+	if ((fp = fnopen(NULL, fname, O_RDONLY)) == NULL)
 		return NULL;
 
 	list=strListReadFile(fp, NULL, /* Max line length: */255);

src/sbbs3/userdat.c

@@ -3037,7 +3037,7 @@ char* alias(scfg_t* cfg, const char* name, char* buf)
 	p=(char*)name;
 
 	SAFEPRINTF(fname,"%salias.cfg",cfg->ctrl_dir);
-	if((fp=fopen(fname,"r"))==NULL)
+	if((fp = fnopen(NULL, fname, O_RDONLY)) == NULL)
 		return((char*)name);
 
 	while(!feof(fp)) {
@@ -3629,7 +3629,7 @@ BOOL filter_ip(scfg_t* cfg, const char* prot, const char* reason, const char* ho
 	if(findstr(ip_addr, fname))	/* Already filtered? */
 		return(TRUE);
 
-    if((fp=fopen(fname,"a"))==NULL)
+    if((fp = fnopen(NULL, fname, O_CREAT|O_APPEND|O_WRONLY)) == NULL)
     	return(FALSE);
 
     fprintf(fp, "\n; %s %s ", prot, reason);