diff options
Diffstat (limited to '')
| -rw-r--r-- | socket.c | 93 |
1 files changed, 75 insertions, 18 deletions
@@ -1,4 +1,4 @@ -/* $Id: socket.c,v 1.2 2001/03/15 14:25:05 ltoetsch Exp $ +/* $Id: socket.c,v 1.3 2001/09/12 05:37:22 reinelt Exp $ * * simple socket functions * @@ -20,6 +20,12 @@ * * * $Log: socket.c,v $ + * Revision 1.3 2001/09/12 05:37:22 reinelt + * + * fixed a bug in seti.c (file was never closed, lcd4linux run out of fd's + * + * improved socket debugging + * * Revision 1.2 2001/03/15 14:25:05 ltoetsch * added unread/total news * @@ -63,6 +69,7 @@ #include <stdio.h> #include <errno.h> #include <stdlib.h> +#include <ctype.h> #include <unistd.h> #include <sys/types.h> #include <sys/time.h> @@ -74,6 +81,67 @@ #define TIMEOUT 5 /* 5 seconds timeout */ + +static char *quotemeta (char *string) +{ + char buffer[256]; + char *s, *p; + + p=buffer; + for (s=string; *s; s++) { + if (isprint(*s)) { + *p++=*s; + } else { + switch (*s) { + case '\r': + *p++='\\'; + *p++='r'; + break; + case '\n': + *p++='\\'; + *p++='n'; + break; + default: + p+=sprintf(p, "<\\%03o>", (int)*s); + } + } + if ((p-buffer)>240) { + *p++='.'; + *p++='.'; + *p++='.'; + break; + } + } + + *p='\0'; + return buffer; +} + +static char *del_pass(char *s) +{ + char *p; + /* del pop3 pass from log */ + if (memcmp(s, "PASS ", 5) == 0) + for (p = s+5; *p && *p != '\r'; p++) + *p = '*'; + /* del imap4 pass from log */ + else if (memcmp(s, ". LOGIN", 7) == 0) + for (p = s + strlen(s)-3 ; p > s && *p != ' '; p--) + *p = '*'; + return s; +} + + +static void sockdebug (char dir, int len, char *string) { + + // delete passwords from log + if (dir=='>') { + del_pass (string); + } + message (3, "%c[%2d] %s", dir, len, quotemeta(string)); +} + + int open_socket(char *machine, int port) { struct hostent *addr; @@ -102,7 +170,7 @@ int read_socket(int fd, char *buf, size_t size) { fd_set readfds; struct timeval tv; - int n = 0; + int n; FD_ZERO(&readfds); FD_SET(fd, &readfds); @@ -111,11 +179,14 @@ int read_socket(int fd, char *buf, size_t size) if (select(fd+1, &readfds, NULL, NULL, &tv) > 0) n = read(fd, buf, size); + else + n = 0; + if (n >= 0) buf[n] = '\0'; else buf[0] = '\0'; - sockdebug("<(%d),%s", n, buf); + sockdebug('<', n, buf); return n; } @@ -131,24 +202,10 @@ int read_socket_match(int fd, char *buf, size_t size, char *match) return 0; } -static char *del_pass(char *s) -{ - char *p; - /* del pop3 pass from log */ - if (memcmp(s, "PASS ", 5) == 0) - for (p = s+5; *p && *p != '\r'; p++) - *p = '*'; - /* del imap4 pass from log */ - else if (memcmp(s, ". LOGIN", 7) == 0) - for (p = s + strlen(s)-3 ; p > s && *p != ' '; p--) - *p = '*'; - return s; -} - int write_socket(int fd, char *buf) { int n = write(fd, buf, strlen(buf)); - sockdebug(">(%d),%s", n, del_pass(buf)); + sockdebug('>', n, del_pass(buf)); return n; } |