diff options
| -rw-r--r-- | segfault.c | 56 |
1 files changed, 47 insertions, 9 deletions
@@ -19,6 +19,8 @@ #include <irc.h> #include <hashtable.h> +#include "access.h" + #define RECURSE_LIMIT 10 //#define free(a) do{printf("freeing %p line:%d\n",(void *)a,__LINE__);if(a) free(a);}while(0); @@ -270,8 +272,8 @@ char *format_magic(int fd,char *from,struct user *user,char *orig_fmt,char *arg) magic['7']=argN[7]; magic['8']=argN[8]; magic['9']=argN[9]; - magic['q']=(arg?escahack(arg):"escarg"); - magic['Q']=(arg?esca(arg,"\""):"escarg"); + magic['q']=(arg && strlen(arg)?escahack(arg):""); + magic['Q']=(arg && strlen(arg)?esca(arg,"\""):""); magic['%']="%"; if(!orig_fmt) return 0; @@ -519,6 +521,42 @@ void c_botup(int fd,char *from,...) { privmsg(fd,from,tmp); } +void c_putenv(int fd,char *from,char *line,...) { + if(!line) { + privmsg(fd,from,"usage: !putenv VARIABLE=VALUE"); + return; + } + putenv(strdup(line));//OH MY GOD. WHAT THE FUCK? MEMORY LEAK AND NO CHECKS AT ALL!?!? +} + +void c_mem(int fd,char *from,char *line,...) { + char tmp[512]; + char *function=line; + unsigned char value; + unsigned char *v; + unsigned int address; // lol. will fail on x64 + if(!line) { + privmsg(fd,from,"usage: !mem address [value]"); + return; + } + if(!sscanf(line,"%08x",&address)) { + privmsg(fd,from,"sscanf didn't get an address."); + return; + } + if((v=strchr(line,' '))) { + *v=0; + v++; + sscanf(v,"%02x",&value); + *((unsigned char *)address)=value; + snprintf(tmp,sizeof(tmp)-1,"address %08x now containes the value %02x",address,value); + privmsg(fd,from,tmp); + } else { + snprintf(tmp,sizeof(tmp)-1,"address %08x contains %02x",address,*((unsigned char *)address)); + privmsg(fd,from,tmp); + } + return; +} + void c_leettail(int fd,char *from,char *file,struct user *user,...) { int a; int b; @@ -560,6 +598,7 @@ void c_leettail(int fd,char *from,char *file,struct user *user,...) { file_tail(fd,from,file+n,args,d,user); } +//crashes on: !changetail filename void c_changetail(int fd,char *from,char *line,struct user *user,...) { struct stat st; char *merp=0; @@ -1139,12 +1178,9 @@ int message_handler(int fd,char *from,struct user *user,char *msg,int redones) { *command=';'; } //access control goes here - if(strcmp(user->host,"127.0.0.1") && //me - strcmp(myuser->nick,user->nick) - ) { - return 1;//I want this to claim eatedness. + if(!isallowed(from,user,myuser,msg)) { + return 1; } -// if(!strncmp(command,"s/",2)) { // command[1]=' '; // } while(!strncmp(command,"lambda ",7)) { @@ -1174,8 +1210,8 @@ int message_handler(int fd,char *from,struct user *user,char *msg,int redones) { } //sz=(strlen(command)-strlen(m->original)+strlen(m->target)+1);// what is this used for? //??? why not use args? - redo=format_magic(fd,from,user,m->target,(command+strlen(m->original)+1)); -// redo=format_magic(fd,from,user,m->target,args); +// redo=format_magic(fd,from,user,m->target,(command+strlen(m->original)+1)); + redo=format_magic(fd,from,user,m->target,args); message_handler(fd,from,user,redo,redones+1); free(redo); redo=0; @@ -1353,6 +1389,8 @@ int main(int argc,char *argv[]) { BUILDIN("aliases",c_aliases_h); BUILDIN("lobotomy",c_lobotomy); BUILDIN("amnesia",c_amnesia); +// BUILDIN("peek",c_mem); +// BUILDIN("poke",c_mem); mode_magic=1; snooty=0; message_handler_trace=0; |