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authorepoch <epoch@hacking.allowed.org>2014-03-25 14:31:07 -0500
committerepoch <epoch@hacking.allowed.org>2014-03-25 14:31:07 -0500
commitfe808525acbc71410e22bbb6b5cfa5266b2dd30f (patch)
tree3f8c846779b2c4021055f439491b6b9ba97c14dc /libirc/libirc.c
parent3dd05e6279a03b9321982e01237401745909670d (diff)
downloadsegfault-fe808525acbc71410e22bbb6b5cfa5266b2dd30f.tar.gz
segfault-fe808525acbc71410e22bbb6b5cfa5266b2dd30f.zip
fixed a bug in libirc where pong was sending ping. dunno.
I don't remember what else I did.
Diffstat (limited to 'libirc/libirc.c')
-rw-r--r--libirc/libirc.c53
1 files changed, 12 insertions, 41 deletions
diff --git a/libirc/libirc.c b/libirc/libirc.c
index ab93113..c529d10 100644
--- a/libirc/libirc.c
+++ b/libirc/libirc.c
@@ -7,21 +7,19 @@
#include <netdb.h>
#include <sys/socket.h>
#include <arpa/inet.h>
+#include <unistd.h>
-//#define DEBUG //comment me out to disable.
+//#define DEBUG "epoch" //nick or channel to send debug info to.
#define CHUNK 16
static int serverConnect(char *serv,char *port) {
struct addrinfo hints, *servinfo, *p;
int rv;
+ int fd=0;
memset(&hints,0,sizeof hints);
hints.ai_family=AF_INET;
hints.ai_socktype=SOCK_STREAM;
-
- int fd=0;
-
- fd=socket(PF_INET,SOCK_STREAM,IPPROTO_TCP);
- if(fd < 0) {
+ if((fd=socket(PF_INET,SOCK_STREAM,IPPROTO_TCP)) < 0) {
perror("socket");
return fd;
}
@@ -36,18 +34,7 @@ static int serverConnect(char *serv,char *port) {
}
break;
}
- if(!p) {
- return 0;
- }
- return fd;
-}
-
-static int haschar(char *s,char c) {
- int i;
- for(i=0;s[i];i++) {
- if(s[i]==c) return 1;
- }
- return 0;
+ return p?fd:0;
}
int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
@@ -55,18 +42,13 @@ int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
fd_set master;
fd_set readfs;
struct timeval timeout;
- int fdmax;
- int n;
- int s;
- int i;
- int good=0;
+ int fdmax,n,s,i;
char *backlog=malloc(CHUNK+1);
- if(!backlog) return 252;
- char *t;
- char *line=0;
+ char *t,*line=0;
int blsize=CHUNK;
int bllen=0;
char buffer[CHUNK];//THIS IS *NOT* NULL TERMINATED.
+ if(!backlog) return 252;
FD_ZERO(&master);
FD_ZERO(&readfs);
FD_SET(fd,&master);
@@ -76,26 +58,22 @@ int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
memset(buffer,0,CHUNK);
if(fd) {
int done=0;
-// printf("starting main loop.\n");
while(!done) {
extra_handler(fd);
readfs=master;
timeout.tv_sec=0;
timeout.tv_usec=1000;
-// printf("trying select. %d\n",time(0));
if( select(fdmax+1,&readfs,0,0,&timeout) == -1 ) {
printf("\n!!!It is crashing here!!!\n\n");
perror("select");
return 1;
}
if(FD_ISSET(fd,&readfs)) {
-// printf("An fd is set!!!\n");
if((n=recv(fd,buffer,CHUNK,0)) <= 0) {//read CHUNK bytes
fprintf(stderr,"recv: %d\n",n);
perror("recv");
return 2;
} else {
-// printf("%d bytes read\n",n);
buffer[n]=0;//deff right.
if(bllen+n >= blsize) {//this is probably off...
blsize+=n;
@@ -111,28 +89,22 @@ int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
}
memcpy(backlog+bllen,buffer,n);
bllen+=n;
-// write(1,backlog,bllen);
-// write(1,"\n",1);
for(i=0,s=0;i<bllen;i++) {
if(backlog[i]=='\n') {
- line=malloc(i-s+3);//on linux it crashes without the +1
+ line=malloc(i-s+3);//on linux it crashes without the +1 +3? weird. when did I do that?
if(!line) {
printf("ANOTHER malloc error!\n");
exit(254);
}
memcpy(line,backlog+s,i-s+2);
-// printf("NEWLINE!\n");
line[i-s+1]=0;//gotta null terminate this. line_handler expects it.
-// printf("libirc: !!! %s !!!\n",line);
s=i+1;//the character after the newline.
if(!strncmp(line,"PING",4)) {
- //write(fd,"PONG ",5);
- //write(fd,line+6,strlen(line)-6);
- fprintf(fp,"PING %s\r\n",line+6);//a whole FILE * and fdopen JUST for this??? oi...
+ fprintf(fp,"PONG %s\r\n",line+6);//a whole FILE * and fdopen JUST for this??? oy...
fflush(fp);
#ifdef DEBUG
printf("%s\nPONG %s\n",line,line+6);
- write(fd,"PRIVMSG epoch :PONG! w00t!\r\n",28);
+ write(fd,"PRIVMSG %s :PONG! w00t!\r\n",DEBUG,28);
#endif
} else if(!strncmp(line,"ERROR",5)) {
#ifdef DEBUG
@@ -157,9 +129,8 @@ int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
}
}
}
- } else {
- return 0;
}
+ return 0;
}
//:hack.thebackupbox.net 433 * sysbot :Nickname is already in use.