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Fix several undefined behaviors

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This commit is contained in:
Polshakov Dmitry 2016-04-10 00:59:20 +03:00
parent 3b4a411532
commit 29b66b00b7
4 changed files with 32 additions and 7 deletions
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6
hydra-imap.c
View file

@ -177,7 +177,11 @@ int start_imap(int s, char *ip, int port, unsigned char options, char *miscptr,
break;
}
hydra_tobase64((unsigned char *) buffer, strlen(buffer), sizeof(buffer));
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
free(preplogin);
}
break;

11
hydra-nntp.c
View file

@ -113,7 +113,11 @@ int start_nntp(int s, char *ip, int port, unsigned char options, char *miscptr,
memset(buffer, 0, sizeof(buffer));
sasl_plain(buffer, login, pass);
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
break;
#ifdef LIBOPENSSL
case AUTH_CRAMMD5:{
@ -147,7 +151,10 @@ int start_nntp(int s, char *ip, int port, unsigned char options, char *miscptr,
sprintf(buffer, "%s %.250s", preplogin, buffer2);
hydra_tobase64((unsigned char *) buffer, strlen(buffer), sizeof(buffer));
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
free(preplogin);
}
break;

10
hydra-pop3.c
View file

@ -205,7 +205,10 @@ int start_pop3(int s, char *ip, int port, unsigned char options, char *miscptr,
memset(buffer, 0, sizeof(buffer));
sasl_plain(buffer, login, pass);
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
}
break;
@ -279,7 +282,10 @@ int start_pop3(int s, char *ip, int port, unsigned char options, char *miscptr,
break;
}
hydra_tobase64((unsigned char *) buffer, strlen(buffer), sizeof(buffer));
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
free(preplogin);
}
break;

12
hydra-smtp.c
View file

@ -69,7 +69,11 @@ int start_smtp(int s, char *ip, int port, unsigned char options, char *miscptr,
memset(buffer, 0, sizeof(buffer));
sasl_plain(buffer, login, pass);
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
break;
#ifdef LIBOPENSSL
@ -103,7 +107,11 @@ int start_smtp(int s, char *ip, int port, unsigned char options, char *miscptr,
sprintf(buffer, "%s %.250s", preplogin, buffer2);
hydra_tobase64((unsigned char *) buffer, strlen(buffer), sizeof(buffer));
sprintf(buffer, "%.250s\r\n", buffer);
char tmp_buffer[sizeof(buffer)];
sprintf(tmp_buffer, "%.250s\r\n", buffer);
strcpy(buffer, tmp_buffer);
free(preplogin);
}
break;