From: b <rowerynaksiezycu@gmail.com>
Date: Thu, 29 Sep 2022 20:56:23 +0000 (+0000)
Subject: fixed SETUID situation,
X-Git-Url: http://bicyclesonthemoon.info/git-projects/?a=commitdiff_plain;h=83feabaae04f6c274a2c57865c5278e264719537;p=ott%2Fmirror

fixed SETUID situation,
moved to C.
---

diff --git a/bot2.1.cpp b/bot2.1.c
similarity index 95%
rename from bot2.1.cpp
rename to bot2.1.c
index 90dfc07..ee6d295 100644
--- a/bot2.1.cpp
+++ b/bot2.1.c
@@ -1,6 +1,6 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// bot2.cpp (bothasar_t) automatically generated from bot2.1.cpp
+// bot2.c (bothasar_t) automatically generated from bot2.1.c
 // the mirror bot.
 // 24.09.2022
 //
@@ -70,7 +70,7 @@
 
 FILE *cwfile;
 FILE *stopfile;
-bool logopen=false;
+char logopen=0;
 char stoppath[N_STRBUF];
 char nppath [N_STRBUF];
 char nppath1[N_STRBUF];
@@ -89,19 +89,19 @@ int main(int argc, char *argv[])
 	
 	int yarg;
 	
-	bool fi=false;
-	bool fs=false;
-	bool fm=false;
-	bool fw=false;
-	bool fv=false;
-	bool fo=false;
-	bool fp=false;
-	bool recentbot=false;
-	bool newlog=false;
-	bool text=false;
-	bool down=false;
-	bool down2=false;
-	bool down3=false;
+	char fi=0;
+	char fs=0;
+	char fm=0;
+	char fw=0;
+	char fv=0;
+	char fo=0;
+	char fp=0;
+	char recentbot=0;
+	char newlog=0;
+	char text=0;
+	char down=0;
+	char down2=0;
+	char down3=0;
 	
 	unsigned short botID=0;
 	unsigned long start=1;
@@ -132,57 +132,57 @@ int main(int argc, char *argv[])
 		switch(yarg)
 		{
 		case 'i':
-			fi=true;
+			fi=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%hu",&botID);
 			break;
 		case 's':
-			fs=true;
+			fs=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&start);
 			break;
 		case 'm':
-			fm=true;
+			fm=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&max);
 			break;
 		case 'o':
-			fo=true;
+			fo=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&offset);
 			break;
 		case 'w':
-			fw=true;
+			fw=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&npwait);
 			break;
 		case 'v':
-			fv=true;
+			fv=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&await);
 			break;
 		case 'p':
-			fp=true;
+			fp=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&avoid);
 			break;
 		case 'r':
-			recentbot=true;
+			recentbot=1;
 			break;
 		case 'n':
-			newlog=true;
+			newlog=1;
 			break;
 		case 't':
-			text=true;
+			text=1;
 			break;
 		case 'd':
-			down=true;
+			down=1;
 			break;
 		case 'a':
-			down2=true;
+			down2=1;
 			break;
 		case 'b':
-			down3=true;
+			down3=1;
 			break;
 		default:
 			
@@ -218,7 +218,7 @@ int main(int argc, char *argv[])
 	{
 		snprintf(argp1,N_STRBUF,"%s%hu",LOG_PATH,botID);
 		if(freopen(argp1,newlog?"wt":"at",stdout)!=NULL)
-			logopen=true;
+			logopen=1;
 	}
 	setvbuf(stdout, NULL, _IONBF, 0);
 	dup2(fileno(stdout),fileno(stderr));
@@ -423,7 +423,7 @@ int longline(const char *in,const char *out, unsigned long limit)
 {
 	FILE *infile;
 	FILE *outfile;
-	bool tag;
+	char tag;
 	unsigned long counter=0;
 	char ch;
 	
@@ -445,10 +445,10 @@ int longline(const char *in,const char *out, unsigned long limit)
 		switch(ch)
 		{
 		case '<':
-			tag=true;
+			tag=1;
 			break;
 		case '>':
-			tag=false;
+			tag=0;
 			if(counter>=limit)
 			{
 				fputc('\n',outfile);
diff --git a/bot3.1.cpp b/bot3.1.c
similarity index 97%
rename from bot3.1.cpp
rename to bot3.1.c
index d3f8527..ee808d8 100644
--- a/bot3.1.cpp
+++ b/bot3.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// bot3.cpp (bothasar_p) automatically generated from bot3.1.cpp
+// bot3.c (bothasar_p) automatically generated from bot3.1.c
 // the post bot.
-// 24.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -60,8 +60,8 @@
 FILE *cwfile;
 FILE *stopfile;
 FILE *listfile;
-bool listopen=false;
-bool logopen=false;
+char listopen=0;
+char logopen=0;
 pid_t sub;
 int r;
 
@@ -74,11 +74,11 @@ int main(int argc, char *argv[])
 	
 	int yarg;
 	
-	bool fm=false;
-	bool fw=false;
+	char fm=0;
+	char fw=0;
 	
-	bool newlog=false;
-	bool text=false;
+	char newlog=0;
+	char text=0;
 	
 	unsigned long max=0xffffffff;
 	// unsigned long posts=0xffffffff;
@@ -111,20 +111,20 @@ int main(int argc, char *argv[])
 		switch(yarg)
 		{
 		case 'm':
-			fm=true;
+			fm=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&max);
 			break;
 		case 'w':
-			fw=true;
+			fw=1;
 			if(optarg!=NULL)
 				sscanf(optarg,"%lu",&pwait);
 			break;
 		case 'n':
-			newlog=true;
+			newlog=1;
 			break;
 		case 't':
-			text=true;
+			text=1;
 			break;
 		default:
 			
@@ -139,7 +139,7 @@ int main(int argc, char *argv[])
 	if(!text)
 	{
 		if(freopen(LOG_PATH,newlog?"wt":"at",stdout)!=NULL)
-			logopen=true;
+			logopen=1;
 	}
 
 	setvbuf(stdout, NULL, _IONBF, 0);
@@ -220,7 +220,7 @@ int main(int argc, char *argv[])
 			printf("\nNo posts.");
 			continue;
 		}
-		listopen=true;
+		listopen=1;
 		
 		for(p=1;fgets(argp1,N_STRBUF-1,listfile)!=NULL;++p)
 		{
@@ -327,7 +327,7 @@ int main(int argc, char *argv[])
 			}
 			
 		}
-		listopen=false;
+		listopen=0;
 		fclose(listfile);
 		if(np<lastnp)
 		{
diff --git a/findpost.1.cpp b/findpost.1.c
similarity index 97%
rename from findpost.1.cpp
rename to findpost.1.c
index dacd5f4..0c25e8a 100644
--- a/findpost.1.cpp
+++ b/findpost.1.c
@@ -1,6 +1,6 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// findpost.cpp automatically generated from findpost.1.cpp
+// findpost.c automatically generated from findpost.1.c
 // find a post by ID.
 // 24.09.2022
 //
diff --git a/image.cpp b/image.c
similarity index 99%
rename from image.cpp
rename to image.c
index 0013761..b18499a 100644
--- a/image.cpp
+++ b/image.c
@@ -1,6 +1,6 @@
 // OTT mirror
 // Copyright (C) 2014 Balthasar Szczepański
-// image.cpp
+// image.c
 // recognize image format.
 // 12.09.2014
 //
@@ -63,4 +63,4 @@ int main (int argc, char **argv)
 	if(strcmp(test,MAGIC_BMP)==0)
 		return BMP;
 	return NO_IDEA;
-}
\ No newline at end of file
+}
diff --git a/index.1.cpp b/index.1.c
similarity index 87%
rename from index.1.cpp
rename to index.1.c
index dc8a408..9ed0930 100644
--- a/index.1.cpp
+++ b/index.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// index.cpp automatically generated from index.1.cpp
+// index.c automatically generated from index.1.c
 // view the front page.
-// 24.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 #include <sys/wait.h>
 
 // ###C_RM_PATH:  #define RM_PATH "/bin/rm"
@@ -37,7 +38,18 @@ int main()
 {
 	s_cgi *cgi;
 	pid_t sub;
+	uid_t euid;
+	gid_t egid;
 	int r;
+	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
+	
 	cgi=cgiInit();
 	
 	printf("Content-type: text/html\n\n");
diff --git a/makefile b/makefile
index 31e5378..3921d4c 100644
--- a/makefile
+++ b/makefile
@@ -21,7 +21,8 @@
 
 
 
-CC   =g++
+CC   =gcc
+CCPP =g++
 CF   =-g -Wall -Wno-format-truncation
 L_CGI=-lcgi
 # AI=mawk -f
@@ -73,48 +74,52 @@ CONFIGURE_CMD = $(PERL) $(CONFIGURE) $(CONFIGFILE)
 # keep these 2 lists in the same order!:
 GENERATE_FROM=\
 bot2.1.awk\
-bot2.1.cpp\
-bot3.1.cpp\
-findpost.1.cpp\
+bot2.1.c\
+bot3.1.c\
+findpost.1.c\
 index.1.awk\
-index.1.cpp\
-mpview.1.cpp\
-mview.1.cpp\
+index.1.c\
+mpview.1.c\
+mview.1.c\
 ottmirror.1.conf\
 ottmirror.1.cron\
 pm.1.awk\
 post.1.awk\
-post.1.cpp\
-posted.1.cpp\
+post.1.c\
+posted.1.c\
 preview.1.awk\
-update.1.cpp\
-view.1.cpp
+update.1.c\
+view.1.c
 TO_GENERATE=\
 bot2.awk\
-bot2.cpp\
-bot3.cpp\
-findpost.cpp\
+bot2.c\
+bot3.c\
+findpost.c\
 index.awk\
-index.cpp\
-mpview.cpp\
-mview.cpp\
+index.c\
+mpview.c\
+mview.c\
 ottmirror.conf\
 ottmirror.cron\
 pm.awk\
 post.awk\
-post.cpp\
-posted.cpp\
+post.c\
+posted.c\
 preview.awk\
-update.cpp\
-view.cpp
+update.c\
+view.c
 
-PROGR_NORMAL=\
+C=\
 bot2\
 bot3\
 findpost\
 image
 
-PROGR_CGI=\
+CPP=
+
+CPP_CGI=
+
+C_CGI=\
 index\
 mpview\
 mview\
@@ -125,19 +130,19 @@ update\
 view
 
 SETUID=\
-post\
-update\
-view\
+index\
+mpview\
 mview\
+post\
 posted\
-mpview
+update\
+view
 
 BIN=\
 bb2html.awk\
 bot2\
 bot2.awk\
 bot3\
-bot3.cpp\
 findlatest.awk\
 findpost\
 image\
@@ -147,7 +152,6 @@ list.awk\
 mpview\
 mview\
 mview.awk\
-mview.cpp\
 pm.awk\
 post\
 post.awk\
@@ -165,34 +169,34 @@ SRC=\
 agpl.txt\
 bb2html.awk\
 bot2.1.awk\
-bot2.1.cpp\
-bot3.1.cpp\
+bot2.1.c\
+bot3.1.c\
 findlatest.awk\
-findpost.1.cpp\
-image.cpp\
+findpost.1.c\
+image.c\
 index.1.awk\
-index.1.cpp\
+index.1.c\
 list.awk\
 makefile\
 makefile.1.mak\
-mpview.1.cpp\
-mview.1.cpp\
+mpview.1.c\
+mview.1.c\
 mview.awk\
 ottmirror.1.conf\
 ottmirror.1.cron\
 pm.1.awk\
 post.1.awk\
-post.1.cpp\
-posted.1.cpp\
+post.1.c\
+posted.1.c\
 posted.awk\
 preview.1.awk\
-redirect.cpp\
+redirect.c\
 settings-release.txt\
 settings.txt\
-update.1.cpp\
+update.1.c\
 upload.awk\
 verify.awk\
-view.1.cpp\
+view.1.c\
 view.awk\
 www
 
@@ -222,7 +226,7 @@ HIDDEN_DIR=\
 $(TMP_PATH)\
 $(MEM_POST_PATH)
 
-all: $(TO_GENERATE) $(PROGR_NORMAL) $(PROGR_CGI)
+all: $(TO_GENERATE) $(C) $(CPP) $(C_CGI) $(CPP_CGI)
 	
 
 makefile: makefile.1.mak $(CONFIGFILE)
@@ -231,14 +235,20 @@ makefile: makefile.1.mak $(CONFIGFILE)
 $(TO_GENERATE): $(GENERATE_FROM) $(CONFIGFILE)
 	$(CONFIGURE_CMD) --in $(GENERATE_FROM) --out $(TO_GENERATE)
 
-$(PROGR_NORMAL): %: %.cpp
+$(C): %: %.c
 	$(CC) $(CF) -o $@ $<
 
-$(PROGR_CGI): %: %.cpp
+$(CPP): %: %.cpp
+	$(CCPP) $(CF) -o $@ $<
+
+$(C_CGI): %: %.c
 	$(CC) $(CF) -o $@ $< $(L_CGI)
 
+$(CPP_CGI): %: %.cpp
+	$(CCPP) $(CF) -o $@ $< $(L_CGI)
+
 setuid: $(SETUID)
-	$(CHMOD) u+s $(SETUID)
+	$(CHMOD) u+s,g+s $(SETUID)
 
 mktree:
 	$(MKDIR) -p $(DIR)
@@ -267,7 +277,7 @@ install: cp_bin cp_www cp_www_desc cp_src cp_conf cp_cron
 	
 
 clean:
-	$(RM) -f $(TO_GENERATE) $(PROGR_NORMAL) $(PROGR_CGI)
+	$(RM) -f $(TO_GENERATE) $(C) $(CPP) $(C_CGI) $(CPP_CGI)
 
 PHONY: all clean setuid mktree cp_bin co_conf cp_cron cp_src cp_www cp_www_desc install
 
diff --git a/makefile.1.mak b/makefile.1.mak
index 4a48039..2c5bc6a 100644
--- a/makefile.1.mak
+++ b/makefile.1.mak
@@ -21,7 +21,8 @@
 
 
 
-###MAKE_CC:    CC=g++
+###MAKE_CC:    CC=gcc
+###MAKE_CCPP:  CCPP=g++
 ###MAKE_CF:    CF=-g -Wall
 ###MAKE_L_CGI: L_CGI=-lcgi
 # AI=mawk -f
@@ -73,48 +74,52 @@ CONFIGURE_CMD = $(PERL) $(CONFIGURE) $(CONFIGFILE)
 # keep these 2 lists in the same order!:
 GENERATE_FROM=\
 bot2.1.awk\
-bot2.1.cpp\
-bot3.1.cpp\
-findpost.1.cpp\
+bot2.1.c\
+bot3.1.c\
+findpost.1.c\
 index.1.awk\
-index.1.cpp\
-mpview.1.cpp\
-mview.1.cpp\
+index.1.c\
+mpview.1.c\
+mview.1.c\
 ottmirror.1.conf\
 ottmirror.1.cron\
 pm.1.awk\
 post.1.awk\
-post.1.cpp\
-posted.1.cpp\
+post.1.c\
+posted.1.c\
 preview.1.awk\
-update.1.cpp\
-view.1.cpp
+update.1.c\
+view.1.c
 TO_GENERATE=\
 bot2.awk\
-bot2.cpp\
-bot3.cpp\
-findpost.cpp\
+bot2.c\
+bot3.c\
+findpost.c\
 index.awk\
-index.cpp\
-mpview.cpp\
-mview.cpp\
+index.c\
+mpview.c\
+mview.c\
 ottmirror.conf\
 ottmirror.cron\
 pm.awk\
 post.awk\
-post.cpp\
-posted.cpp\
+post.c\
+posted.c\
 preview.awk\
-update.cpp\
-view.cpp
+update.c\
+view.c
 
-PROGR_NORMAL=\
+C=\
 bot2\
 bot3\
 findpost\
 image
 
-PROGR_CGI=\
+CPP=
+
+CPP_CGI=
+
+C_CGI=\
 index\
 mpview\
 mview\
@@ -125,19 +130,19 @@ update\
 view
 
 SETUID=\
-post\
-update\
-view\
+index\
+mpview\
 mview\
+post\
 posted\
-mpview
+update\
+view
 
 BIN=\
 bb2html.awk\
 bot2\
 bot2.awk\
 bot3\
-bot3.cpp\
 findlatest.awk\
 findpost\
 image\
@@ -147,7 +152,6 @@ list.awk\
 mpview\
 mview\
 mview.awk\
-mview.cpp\
 pm.awk\
 post\
 post.awk\
@@ -165,34 +169,34 @@ SRC=\
 agpl.txt\
 bb2html.awk\
 bot2.1.awk\
-bot2.1.cpp\
-bot3.1.cpp\
+bot2.1.c\
+bot3.1.c\
 findlatest.awk\
-findpost.1.cpp\
-image.cpp\
+findpost.1.c\
+image.c\
 index.1.awk\
-index.1.cpp\
+index.1.c\
 list.awk\
 makefile\
 makefile.1.mak\
-mpview.1.cpp\
-mview.1.cpp\
+mpview.1.c\
+mview.1.c\
 mview.awk\
 ottmirror.1.conf\
 ottmirror.1.cron\
 pm.1.awk\
 post.1.awk\
-post.1.cpp\
-posted.1.cpp\
+post.1.c\
+posted.1.c\
 posted.awk\
 preview.1.awk\
-redirect.cpp\
+redirect.c\
 settings-release.txt\
 settings.txt\
-update.1.cpp\
+update.1.c\
 upload.awk\
 verify.awk\
-view.1.cpp\
+view.1.c\
 view.awk\
 www
 
@@ -222,7 +226,7 @@ HIDDEN_DIR=\
 $(TMP_PATH)\
 $(MEM_POST_PATH)
 
-all: $(TO_GENERATE) $(PROGR_NORMAL) $(PROGR_CGI)
+all: $(TO_GENERATE) $(C) $(CPP) $(C_CGI) $(CPP_CGI)
 	
 
 makefile: makefile.1.mak $(CONFIGFILE)
@@ -231,14 +235,20 @@ makefile: makefile.1.mak $(CONFIGFILE)
 $(TO_GENERATE): $(GENERATE_FROM) $(CONFIGFILE)
 	$(CONFIGURE_CMD) --in $(GENERATE_FROM) --out $(TO_GENERATE)
 
-$(PROGR_NORMAL): %: %.cpp
+$(C): %: %.c
 	$(CC) $(CF) -o $@ $<
 
-$(PROGR_CGI): %: %.cpp
+$(CPP): %: %.cpp
+	$(CCPP) $(CF) -o $@ $<
+
+$(C_CGI): %: %.c
 	$(CC) $(CF) -o $@ $< $(L_CGI)
 
+$(CPP_CGI): %: %.cpp
+	$(CCPP) $(CF) -o $@ $< $(L_CGI)
+
 setuid: $(SETUID)
-	$(CHMOD) u+s $(SETUID)
+	$(CHMOD) u+s,g+s $(SETUID)
 
 mktree:
 	$(MKDIR) -p $(DIR)
@@ -267,7 +277,7 @@ install: cp_bin cp_www cp_www_desc cp_src cp_conf cp_cron
 	
 
 clean:
-	$(RM) -f $(TO_GENERATE) $(PROGR_NORMAL) $(PROGR_CGI)
+	$(RM) -f $(TO_GENERATE) $(C) $(CPP) $(C_CGI) $(CPP_CGI)
 
 PHONY: all clean setuid mktree cp_bin co_conf cp_cron cp_src cp_www cp_www_desc install
 
diff --git a/mpview.1.cpp b/mpview.1.c
similarity index 93%
rename from mpview.1.cpp
rename to mpview.1.c
index 26378b1..aa79320 100644
--- a/mpview.1.cpp
+++ b/mpview.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// mpview.cpp automatically generated from mpview.1.cpp
+// mpview.c automatically generated from mpview.1.c
 // view a post from the mirror.
-// 24.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 #include <sys/wait.h>
 
 // ###C_RM_PATH:   #define RM_PATH "/bin/rm"
@@ -50,8 +51,18 @@ int main()
 {
 	s_cgi *cgi;
 	pid_t sub;
+	uid_t euid;
+	gid_t egid;
 	int r;
 	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
+	
 	char line[N_STRBUF_SH];
 	char filename[N_STRBUF_SH];
 	char postpath[N_STRBUF];
diff --git a/mview.1.cpp b/mview.1.c
similarity index 95%
rename from mview.1.cpp
rename to mview.1.c
index 66ddcba..dcbcafb 100644
--- a/mview.1.cpp
+++ b/mview.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// mview.cpp automatically generated from mview.1.cpp
+// mview.c automatically generated from mview.1.c
 // view posts from the mirror.
-// 24.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 #include <sys/wait.h>
 
 // ###C_RM_PATH:   #define RM_PATH "/bin/rm"
@@ -93,10 +94,12 @@ unsigned long p2np(unsigned long p)
 	}
 	return 1L;
 }
-int main()
+int main(int argc, char **argv)
 {
 	s_cgi *cgi;
 	pid_t sub;
+	uid_t euid;
+	gid_t egid;
 	int r;
 	
 	char *arg;
@@ -114,6 +117,14 @@ int main()
 	unsigned long last=0xffffffff;
 	unsigned long ps=0xffffffff;
 	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
+	
 	cgi=cgiInit();
 	
 	file = fopen(LAST_PATH,"rt");
diff --git a/post.1.cpp b/post.1.c
similarity index 81%
rename from post.1.cpp
rename to post.1.c
index 185e547..508ffb0 100644
--- a/post.1.cpp
+++ b/post.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// post.cpp automatically generated from post.1.cpp
+// post.c automatically generated from post.1.c
 // write posts from the mirror.
-// 24.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -24,6 +24,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 #include <string.h>
 #include <sys/wait.h>
 
@@ -56,8 +57,8 @@ pid_t sub;
 int r;
 FILE *tempfile;
 FILE *postfile;
-bool tf=false;
-bool pf=false;
+char tf=0;
+char pf=0;
 char temppath[N_STRBUF]="";
 char postpath[N_STRBUF]="";
 
@@ -81,9 +82,9 @@ char wrong[N_STRBUF];
 
 void submit();
 void preview (const char *text);
-void writeArg(FILE *file,const char *name,const char *value, bool all);
-void writeArg(FILE *file,const char *name,const char *value, char *insert);
-void writeArgH(FILE *file,const char *name,const char *value, unsigned char br);
+void writeArgA(FILE *file,const char *name,const char *value, char all);
+void writeArgI(FILE *file,const char *name,const char *value, char *insert);
+void writeArgHN(FILE *file,const char *name,const char *value, unsigned char br);
 void writeArgH(FILE *file,const char *value);
 void end(int m);
 
@@ -113,7 +114,7 @@ void end(int m)
 	exit(m);
 }
 
-void writeArg(FILE *file,const char *name,const char *value, bool all=false)
+void writeArgA(FILE *file,const char *name,const char *value, char all)
 {
 	unsigned short length, i, v;
 	fprintf(file,"%s=",name);
@@ -129,7 +130,7 @@ void writeArg(FILE *file,const char *name,const char *value, bool all=false)
 	fputc('\n',file);
 }
 
-void writeArg(FILE *file,const char *name,const char *value, char *insert)
+void writeArgI(FILE *file,const char *name,const char *value, char *insert)
 {
 	unsigned short length, i, v;
 	fprintf(file,"%s=",name);
@@ -154,7 +155,7 @@ void writeArg(FILE *file,const char *name,const char *value, char *insert)
 	fputc('\n',file);
 }
 
-void writeArgH(FILE *file,const char *name,const char *value, unsigned char br=0)
+void writeArgHN(FILE *file,const char *name,const char *value, unsigned char br)
 {
 	unsigned short length, i, v;
 	fprintf(file,"%s=",name);
@@ -246,30 +247,30 @@ void submit()
 	tempfile=fopen(temppath,"wt");
 	if(tempfile==NULL)
 		preview("Couldn't create file.");
-	tf=true;
-	writeArgH(tempfile,"timenumber",timenumber);
-	writeArgH(tempfile,"timetext",timetext);
-	writeArgH(tempfile,"BBHTML",message,1);
-	writeArgH(tempfile,"BB",message,3);
-	writeArgH(tempfile,"username_h",username);
-	writeArgH(tempfile,"subject_h",subject);
-	writeArg (tempfile,"username",username);
-	writeArg (tempfile,"password",password,1);
-	writeArg (tempfile,"subject",subject);
-	writeArg (tempfile,"addbbcode20",addbbcode20);
-	writeArg (tempfile,"message",message,botinfo);
+	tf=1;
+	writeArgHN(tempfile,"timenumber",timenumber,0);
+	writeArgHN(tempfile,"timetext",  timetext,  0);
+	writeArgHN(tempfile,"BBHTML",    message,   1);
+	writeArgHN(tempfile,"BB",        message,   3);
+	writeArgHN(tempfile,"username_h",username,  0);
+	writeArgHN(tempfile,"subject_h", subject,   0);
+	writeArgA (tempfile,"username",   username,   0);
+	writeArgA (tempfile,"password",   password,   1);
+	writeArgA (tempfile,"subject",    subject,    0);
+	writeArgA (tempfile,"addbbcode20",addbbcode20,0);
+	writeArgI (tempfile,"message",    message,    botinfo);
 	if(disable_bbcode[0]!='\0')
-		writeArg(tempfile,"disable_bbcode",disable_bbcode);
+		writeArgA(tempfile,"disable_bbcode",disable_bbcode,0);
 	if(disable_smilies[0]!='\0')
-		writeArg(tempfile,"disable_smilies",disable_smilies);
+		writeArgA(tempfile,"disable_smilies",disable_smilies,0);
 	if(disable_magic_url[0]!='\0')
-		writeArg(tempfile,"disable_magic_url",disable_magic_url);
+		writeArgA(tempfile,"disable_magic_url",disable_magic_url,0);
 	if(attach_sig[0]!='\0')
-		writeArg(tempfile,"attach_sig",attach_sig);
+		writeArgA(tempfile,"attach_sig",attach_sig,0);
 	if(notify[0]!='\0')
-		writeArg(tempfile,"notify",notify);
+		writeArgA(tempfile,"notify",notify,0);
 	fclose(tempfile);
-	tf=false;
+	tf=0;
 	
 	snprintf(arg1,N_STRBUF,"outfile=%s",temppath);
 	fflush(stdout);
@@ -315,7 +316,7 @@ void submit()
 		}
 		else
 		{
-			tf=true;
+			tf=1;
 			if(fgets(listpath,N_STRBUF-1,tempfile))
 				sscanf(listpath,"%lu",&lastpage);
 			if(fgets(listpath,N_STRBUF-1,tempfile))
@@ -328,12 +329,12 @@ void submit()
 			else
 				++postslast;
 			fclose(tempfile);
-			tf=false;
+			tf=0;
 		}
 		tempfile=fopen(MLAST_PATH,"wt");
 		if(tempfile==NULL)
 		{
-			pf=true;
+			pf=1;
 			preview("Couldn't update list.");
 		}
 		fprintf(tempfile,"%lu\n%hu\n%s\n",lastpage,postslast,timenumber);
@@ -343,7 +344,7 @@ void submit()
 		tempfile=fopen(listpath,"at");
 		if(tempfile==NULL)
 		{
-			pf=true;
+			pf=1;
 			preview("Couldn't update list.");
 		}
 		fprintf(tempfile,"%s\n",timenumber);
@@ -396,28 +397,28 @@ void preview (const char *text)
 	tempfile=fopen(temppath,"wt");
 	if(tempfile==NULL)
 		end(1);
-	tf=true;
-	
-	writeArgH(tempfile,"HTML",message,1);
-	writeArgH(tempfile,"BB",message,3);
-	writeArgH(tempfile,"wrong",text);
-	writeArgH(tempfile,"username",username);
-	writeArgH(tempfile,"subject",subject);
-	writeArgH(tempfile,"message",message);
-	// writeArgH(tempfile,"addbbcode20",addbbcode20);
-	writeArgH(tempfile,"disable_bbcode",disable_bbcode);
-	writeArgH(tempfile,"disable_smilies",disable_smilies);
-	writeArgH(tempfile,"disable_magic_url",disable_magic_url);
-	writeArgH(tempfile,"attach_sig",attach_sig);
-	writeArgH(tempfile,"notify",notify);
-	writeArgH(tempfile,"addquote",addquote);
-	writeArgH(tempfile,"edit",edit);
-	writeArgH(tempfile,"forceID",forceID);
-	// writeArgH(tempfile,"Preview",Preview);
-	// writeArgH(tempfile,"post",post);
+	tf=1;
+	
+	writeArgHN(tempfile,"HTML",             message,          1);
+	writeArgHN(tempfile,"BB",               message,          3);
+	writeArgHN(tempfile,"wrong",            text,             0);
+	writeArgHN(tempfile,"username",         username,         0);
+	writeArgHN(tempfile,"subject",          subject,          0);
+	writeArgHN(tempfile,"message",          message,          0);
+	// writeArgHN(tempfile,"addbbcode20",addbbcode20,            0);
+	writeArgHN(tempfile,"disable_bbcode",   disable_bbcode,   0);
+	writeArgHN(tempfile,"disable_smilies",  disable_smilies,  0);
+	writeArgHN(tempfile,"disable_magic_url",disable_magic_url,0);
+	writeArgHN(tempfile,"attach_sig",       attach_sig,       0);
+	writeArgHN(tempfile,"notify",           notify,           0);
+	writeArgHN(tempfile,"addquote",         addquote,         0);
+	writeArgHN(tempfile,"edit",             edit,             0);
+	writeArgHN(tempfile,"forceID",          forceID,          0);
+	// writeArgHN(tempfile,"Preview",          Preview,          0);
+	// writeArgHN(tempfile,"post",             post,             0);
 	
 	fclose(tempfile);
-	tf=false;
+	tf=0;
 	
 	printf("Content-type: text/html\n\n");
 	
@@ -448,13 +449,23 @@ void preview (const char *text)
 	end(0);
 }
 
-int main()
+int main(int argc, char **argv)
 {
-	bool missing=false;
-
+	char missing=0;
+	uid_t euid;
+	gid_t egid;
+	int r;
 	
 	char *arg;
 	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
+	
 	cgi=cgiInit();
 	
 	snprintf(temppath,N_STRBUF,"%s%lu",TEMP_PATH,(unsigned long)getpid());
@@ -464,7 +475,7 @@ int main()
 		password=arg;
 	else
 	{
-		missing=true;
+		missing=1;
 		strcpy(wrong,"Password is missing.");
 	}
 	
@@ -473,7 +484,7 @@ int main()
 		username=arg;
 	else
 	{
-		missing=true;
+		missing=1;
 		strcpy(wrong,"Username is missing.");
 	}
 	
@@ -482,7 +493,7 @@ int main()
 		subject=arg;
 	else
 	{
-		missing=true;
+		missing=1;
 		strcpy(wrong,"Subject was missing. Replaced with default value.");
 	}
 	
@@ -491,14 +502,14 @@ int main()
 		message=arg;
 	else
 	{
-		missing=true;
+		missing=1;
 		strcpy(wrong,"Post is empty.");
 	}
 	
 	arg=cgiGetValue(cgi,"password2");
 	if(arg!=NULL)
 	{
-		missing=true;
+		missing=1;
 		strcpy(wrong,"Please don't write in the \"Leave this empty\" field.");
 	}
 	
diff --git a/posted.1.cpp b/posted.1.c
similarity index 91%
rename from posted.1.cpp
rename to posted.1.c
index 384c212..2d0d8ca 100644
--- a/posted.1.cpp
+++ b/posted.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// posted.cpp automatically generated from posted.1.cpp
+// posted.c automatically generated from posted.1.c
 // posts recently sent from the mirror.
-// 24.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 // #include <string.h>
 #include <sys/wait.h>
 
@@ -40,10 +41,11 @@
 #define N_STRBUF    256
 #define N_STRBUF_SH 256
 
-s_cgi *cgi;
-pid_t sub;
-int r;
-
+	s_cgi *cgi;
+	pid_t sub;
+	uid_t euid;
+	gid_t egid;
+	int r;
 
 int main(int argc, char **argv)
 {
@@ -54,7 +56,14 @@ int main(int argc, char **argv)
 	FILE *tempfile;
 	FILE *postfile;
 	
-	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
+
 	// dup2(fileno(stdout),fileno(stderr));
 	cgi=cgiInit();
 	
diff --git a/redirect.cpp b/redirect.c
similarity index 95%
rename from redirect.cpp
rename to redirect.c
index a30495b..dd41809 100644
--- a/redirect.cpp
+++ b/redirect.c
@@ -1,6 +1,6 @@
 // OTT mirror
 // Copyright (C) 2014 Balthasar Szczepañski
-// redirect.cpp
+// redirect.c
 // redirect srevice for the "Jump to:" list.
 // 24.08.2014
 //
diff --git a/settings-release.txt b/settings-release.txt
index 34b6739..d8dddac 100644
--- a/settings-release.txt
+++ b/settings-release.txt
@@ -57,7 +57,8 @@ rm: /usr/bin/rm
 sudo: sudo
 wget: /usr/bin/wget
 
-CC: g++
+CC: gcc
+CCPP: g++
 CF: -g -Wall -Wno-format-truncation
 L_CGI: -lcgi
 
diff --git a/settings.txt b/settings.txt
index baece28..625b1e5 100644
--- a/settings.txt
+++ b/settings.txt
@@ -110,6 +110,7 @@ MAKE_RM     = RM   =$rm
 MAKE_SUDO   = SUDO =$sudo
 
 MAKE_CC    = CC   =$CC
+MAKE_CCPP  = CCPP =$CCPP
 MAKE_CF    = CF   =$CF
 MAKE_L_CGI = L_CGI=$L_CGI
 
diff --git a/update.1.cpp b/update.1.c
similarity index 81%
rename from update.1.cpp
rename to update.1.c
index 375e23d..ba764b8 100644
--- a/update.1.cpp
+++ b/update.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// update.cpp automatically generated from update.1.cpp
+// update.c automatically generated from update.1.c
 // update a page.
-// 25.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -23,19 +23,30 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 #include <sys/wait.h>
 
 // ###C_BOT_PATH_2: #define BOT_PATH "/eizm/pro/ottmirror/bot2"
 #define UPDATE_PATH "/ott/update.htm"
 
-int main()
+int main(int argc, char **argv)
 {
 	s_cgi *cgi;
 	pid_t sub;
+	uid_t euid;
+	gid_t egid;
 	int r;
 	
 	char *arg;
 	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
+	
 	cgi=cgiInit();
 	arg=cgiGetValue(cgi,"np");
 	if(arg!=NULL)
diff --git a/view.1.cpp b/view.1.c
similarity index 95%
rename from view.1.cpp
rename to view.1.c
index 6f860e7..3b36cc2 100644
--- a/view.1.cpp
+++ b/view.1.c
@@ -1,8 +1,8 @@
 // OTT mirror
 // Copyright (C) 2014, 2022 Balthasar Szczepański
-// view.cpp automatically generated from view.1.cpp
+// view.c automatically generated from view.1.c
 // view a page.
-// 25.09.2022
+// 29.09.2022
 //
 // This file is part of OTT mirror.
 //
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 #include <sys/wait.h>
 
 #define RM_PATH "/bin/rm"
@@ -93,10 +94,12 @@ unsigned long p2np(unsigned long p)
 	}
 	return 1L;
 }
-int main()
+int main(int argc, char **argv)
 {
 	s_cgi *cgi;
 	pid_t sub;
+	uid_t euid;
+	gid_t egid;
 	int r;
 	
 	char *arg;
@@ -111,14 +114,22 @@ int main()
 	unsigned long p=0L;
 	unsigned long last=0xffffffff;
 	unsigned long ps=0xffffffff;
-	bool mustard=false;
+	char mustard=0;
+	
+	/* always be yourself in your total life */
+	euid = geteuid();
+	egid = getegid();
+	if ((r = setreuid(euid, euid)))
+		return (r = errno);
+	if ((r = setregid(egid, egid)))
+		return (r = errno);
 	
 	cgi=cgiInit();
 	
 	file = fopen(MLAST_PATH,"rt");
 	if(file!=NULL)
 	{
-		mustard=true;
+		mustard=1;
 		fclose(file);
 	}