version 1.1.1.1, 2012/02/21 23:32:47
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version 1.1.1.4, 2021/03/17 00:39:23
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#include "ppp.h" |
#include "ppp.h" |
#include "util.h" |
#include "util.h" |
#include <termios.h> |
#include <termios.h> |
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#include <paths.h> |
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#include <libutil.h> |
#include <netdb.h> |
#include <netdb.h> |
#include <tcpd.h> |
#include <tcpd.h> |
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#include <sys/limits.h> |
#include <sys/wait.h> |
#include <sys/wait.h> |
#include <sys/sysctl.h> |
#include <sys/sysctl.h> |
#include <net/route.h> |
#include <net/route.h> |
#include <netinet/if_ether.h> |
#include <netinet/if_ether.h> |
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#include <net/ethernet.h> |
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#include <osreldate.h> |
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/* |
/* |
* DEFINITIONS |
* DEFINITIONS |
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Line 37
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* INTERNAL VARIABLES |
* INTERNAL VARIABLES |
*/ |
*/ |
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#ifndef USE_NG_PRED1 |
static const u_int16_t Crc16Table[256] = { |
static const u_int16_t Crc16Table[256] = { |
/* 00 */ 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, |
/* 00 */ 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, |
/* 08 */ 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, |
/* 08 */ 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, |
Line 66 static const u_int16_t Crc16Table[256] = {
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Line 72 static const u_int16_t Crc16Table[256] = {
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/* f0 */ 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, |
/* f0 */ 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, |
/* f8 */ 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 |
/* f8 */ 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 |
}; |
}; |
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#endif |
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static FILE *lockFp = NULL; |
static FILE *lockFp = NULL; |
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Line 73 static const u_int16_t Crc16Table[256] = {
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Line 80 static const u_int16_t Crc16Table[256] = {
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* INTERNAL FUNCTIONS |
* INTERNAL FUNCTIONS |
*/ |
*/ |
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static int UuLock(const char *devname); |
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static int UuUnlock(const char *devname); |
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static void Escape(char *line); |
static void Escape(char *line); |
static char *ReadLine(FILE *fp, int *lineNum, char *result, int resultsize); | static char *ReadLine(FILE *fp, int *lineNum, char *result, size_t resultsize); |
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static char HexVal(char c); |
static char HexVal(char c); |
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static void IndexConfFile(FILE *fp, struct configfile **cf); |
static void IndexConfFile(FILE *fp, struct configfile **cf); |
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struct configfiles *ConfigFilesIndex=NULL; | static struct configfiles *ConfigFilesIndex=NULL; |
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#undef isspace |
#undef isspace |
#define isspace(c) (((c)==' '||(c)=='\t'||(c)=='\n'||(c)=='\r')?1:0) |
#define isspace(c) (((c)==' '||(c)=='\t'||(c)=='\n'||(c)=='\r')?1:0) |
Line 115 int
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Line 119 int
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ExecCmd(int log, const char *label, const char *fmt, ...) |
ExecCmd(int log, const char *label, const char *fmt, ...) |
{ |
{ |
int rtn; |
int rtn; |
char cmd[BIG_LINE_SIZE]; | char cmd[LINE_MAX]; |
char cmdn[BIG_LINE_SIZE]; | char cmdn[LINE_MAX]; |
va_list ap; |
va_list ap; |
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va_start(ap, fmt); |
va_start(ap, fmt); |
Line 130 ExecCmd(int log, const char *label, const char *fmt, .
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Line 134 ExecCmd(int log, const char *label, const char *fmt, .
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/* Hide any stdout output of command */ |
/* Hide any stdout output of command */ |
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snprintf(cmdn + strlen(cmdn), sizeof(cmdn) - strlen(cmdn), " >/dev/null 2>&1"); | snprintf(cmdn + strlen(cmdn), sizeof(cmdn) - strlen(cmdn), " >%s 2>&1", _PATH_DEVNULL); |
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/* Do command */ |
/* Do command */ |
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Line 150 int
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Line 154 int
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ExecCmdNosh(int log, const char *label, const char *fmt, ...) |
ExecCmdNosh(int log, const char *label, const char *fmt, ...) |
{ |
{ |
int rtn; |
int rtn; |
char cmd[BIG_LINE_SIZE]; | char cmd[LINE_MAX]; |
char *cmdp = &(cmd[0]); |
char *cmdp = &(cmd[0]); |
char *argv[256]; |
char *argv[256]; |
char **arg; |
char **arg; |
Line 202 ExecCmdNosh(int log, const char *label, const char *fm
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Line 206 ExecCmdNosh(int log, const char *label, const char *fm
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(void)sigaction(SIGQUIT, &quitact, NULL); |
(void)sigaction(SIGQUIT, &quitact, NULL); |
(void)sigprocmask(SIG_SETMASK, &oldsigblock, NULL); |
(void)sigprocmask(SIG_SETMASK, &oldsigblock, NULL); |
close(1); |
close(1); |
open("/dev/null", O_WRONLY); | open(_PATH_DEVNULL, O_WRONLY); |
close(2); |
close(2); |
open("/dev/null", O_WRONLY); | open(_PATH_DEVNULL, O_WRONLY); |
execv(argv[0], argv); |
execv(argv[0], argv); |
exit(127); |
exit(127); |
default: /* parent */ |
default: /* parent */ |
Line 375 Escape(char *line)
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Line 379 Escape(char *line)
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int |
int |
ReadFile(const char *filename, const char *target, |
ReadFile(const char *filename, const char *target, |
int (*func)(Context ctx, int ac, char *av[], const char *file, int line), Context ctx) | int (*func)(Context ctx, int ac, const char *const av[], const char *file, int line), Context ctx) |
{ |
{ |
FILE *fp; |
FILE *fp; |
int ac; |
int ac; |
Line 388 ReadFile(const char *filename, const char *target,
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Line 392 ReadFile(const char *filename, const char *target,
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/* Open file */ |
/* Open file */ |
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if ((fp = OpenConfFile(filename, &cf)) == NULL) |
if ((fp = OpenConfFile(filename, &cf)) == NULL) |
return(-1); | return(-2); |
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/* Find label */ |
/* Find label */ |
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Line 406 ReadFile(const char *filename, const char *target,
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Line 410 ReadFile(const char *filename, const char *target,
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break; |
break; |
} |
} |
ac = ParseLine(line, av, sizeof(av) / sizeof(*av), 0); |
ac = ParseLine(line, av, sizeof(av) / sizeof(*av), 0); |
(*func)(ctx, ac, av, filename, lineNum); | (*func)(ctx, ac, (const char *const *)av, filename, lineNum); |
} |
} |
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/* Done */ |
/* Done */ |
Line 555 OpenConfFile(const char *name, struct configfile **cf)
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Line 559 OpenConfFile(const char *name, struct configfile **cf)
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char * |
char * |
ReadFullLine(FILE *fp, int *lineNum, char *result, int resultsize) |
ReadFullLine(FILE *fp, int *lineNum, char *result, int resultsize) |
{ |
{ |
int len, linelen, resultlinesize, continuation; | int len, resultlinesize, continuation; |
| unsigned linelen; |
char line[BIG_LINE_SIZE]; |
char line[BIG_LINE_SIZE]; |
char real_line[BIG_LINE_SIZE]; |
char real_line[BIG_LINE_SIZE]; |
char *resultline; |
char *resultline; |
Line 623 ReadFullLine(FILE *fp, int *lineNum, char *result, int
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Line 628 ReadFullLine(FILE *fp, int *lineNum, char *result, int
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*/ |
*/ |
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static char * |
static char * |
ReadLine(FILE *fp, int *lineNum, char *result, int resultsize) | ReadLine(FILE *fp, int *lineNum, char *result, size_t resultsize) |
{ |
{ |
int empty; |
int empty; |
char *s; |
char *s; |
Line 666 ReadLine(FILE *fp, int *lineNum, char *result, int res
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Line 671 ReadLine(FILE *fp, int *lineNum, char *result, int res
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return(result); |
return(result); |
} |
} |
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#ifdef PHYSTYPE_MODEM |
/* |
/* |
* OpenSerialDevice() |
* OpenSerialDevice() |
* |
* |
Line 737 ExclusiveOpenDevice(const char *label, const char *pat
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Line 743 ExclusiveOpenDevice(const char *label, const char *pat
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/* Lock device UUCP style, if it resides in /dev */ |
/* Lock device UUCP style, if it resides in /dev */ |
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if (!strncmp(pathname, "/dev/", 5)) | if (!strncmp(pathname, _PATH_DEV, 5)) |
{ |
{ |
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int res; |
ttyname = pathname + 5; |
ttyname = pathname + 5; |
if (UuLock(ttyname) < 0) | if ((res = uu_lock(ttyname)) != UU_LOCK_OK) { |
{ | Log(LG_ERR, ("[%s] uu_lock(%s): %s", label, ttyname, uu_lockerr(res))); |
Log(LG_ERR, ("[%s] can't lock device %s", label, ttyname)); | |
return(-1); |
return(-1); |
} |
} |
locked = TRUE; |
locked = TRUE; |
Line 757 ExclusiveOpenDevice(const char *label, const char *pat
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Line 763 ExclusiveOpenDevice(const char *label, const char *pat
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{ |
{ |
Perror("[%s] can't open %s", label, pathname); |
Perror("[%s] can't open %s", label, pathname); |
if (locked) |
if (locked) |
UuUnlock(ttyname); | uu_unlock(ttyname); |
return(-1); |
return(-1); |
} |
} |
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Line 768 ExclusiveOpenDevice(const char *label, const char *pat
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Line 774 ExclusiveOpenDevice(const char *label, const char *pat
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Log(LG_ERR, ("[%s] can't open %s after %d secs", |
Log(LG_ERR, ("[%s] can't open %s after %d secs", |
label, pathname, MAX_OPEN_DELAY)); |
label, pathname, MAX_OPEN_DELAY)); |
if (locked) |
if (locked) |
UuUnlock(ttyname); | uu_unlock(ttyname); |
return(-1); |
return(-1); |
} |
} |
(void) fcntl(fd, F_SETFD, 1); |
(void) fcntl(fd, F_SETFD, 1); |
Line 810 ExclusiveCloseDevice(const char *label, int fd, const
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Line 816 ExclusiveCloseDevice(const char *label, int fd, const
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/* Remove lock */ |
/* Remove lock */ |
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if (!strncmp(pathname, "/dev/", 5)) | if (!strncmp(pathname, _PATH_DEV, 5)) |
{ |
{ |
ttyname = pathname + 5; |
ttyname = pathname + 5; |
if (UuUnlock(ttyname) < 0) | if (uu_unlock(ttyname) < 0) |
Perror("[%s] can't unlock %s", label, ttyname); |
Perror("[%s] can't unlock %s", label, ttyname); |
} |
} |
} |
} |
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#endif /* PHYSTYPE_MODEM */ |
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/* |
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* UuLock() |
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* |
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* Try to atomically create lockfile. Returns negative if failed. |
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*/ |
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static int |
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UuLock(const char *ttyname) |
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{ |
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int fd, pid; |
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char tbuf[sizeof(PATH_LOCKFILENAME) + MAX_FILENAME]; |
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char pid_buf[64]; |
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snprintf(tbuf, sizeof(tbuf), PATH_LOCKFILENAME, ttyname); |
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if ((fd = open(tbuf, O_RDWR|O_CREAT|O_EXCL, 0664)) < 0) |
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{ |
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/* File is already locked; Check to see if the process |
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* holding the lock still exists */ |
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if ((fd = open(tbuf, O_RDWR, 0)) < 0) |
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{ |
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Perror("%s: open(%s)", __FUNCTION__, tbuf); |
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return(-1); |
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} |
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if (read(fd, pid_buf, sizeof(pid_buf)) <= 0) |
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{ |
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(void)close(fd); |
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Perror("%s: read", __FUNCTION__); |
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return(-1); |
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} |
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pid = atoi(pid_buf); |
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if (kill(pid, 0) == 0 || errno != ESRCH) |
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{ |
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(void)close(fd); /* process is still running */ |
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return(-1); |
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} |
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/* The process that locked the file isn't running, so we'll lock it */ |
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if (lseek(fd, (off_t) 0, L_SET) < 0) |
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{ |
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(void)close(fd); |
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Perror("%s: lseek", __FUNCTION__); |
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return(-1); |
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} |
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} |
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/* Finish the locking process */ |
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sprintf(pid_buf, "%10u\n", (int) gPid); |
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if (write(fd, pid_buf, strlen(pid_buf)) != strlen(pid_buf)) |
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{ |
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(void)close(fd); |
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(void)unlink(tbuf); |
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Perror("%s: write", __FUNCTION__); |
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return(-1); |
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} |
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(void)close(fd); |
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return(0); |
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} |
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/* |
/* |
* UuUnlock() |
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*/ |
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static int |
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UuUnlock(const char *ttyname) |
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{ |
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char tbuf[sizeof(PATH_LOCKFILENAME) + MAX_FILENAME]; |
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(void) sprintf(tbuf, PATH_LOCKFILENAME, ttyname); |
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return(unlink(tbuf)); |
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} |
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/* |
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* GenerateMagic() |
* GenerateMagic() |
* |
* |
* Generate random number which will be used as magic number. |
* Generate random number which will be used as magic number. |
Line 925 GenerateMagic(void)
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Line 855 GenerateMagic(void)
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int |
int |
PIDCheck(const char *filename, int killem) |
PIDCheck(const char *filename, int killem) |
{ |
{ |
int fd = -1, n_tries; | int n_tries; |
| struct pidfh *pfh = NULL; |
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/* Sanity */ |
/* Sanity */ |
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Line 933 PIDCheck(const char *filename, int killem)
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Line 864 PIDCheck(const char *filename, int killem)
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/* Atomically open and lock file */ |
/* Atomically open and lock file */ |
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for (n_tries = 0; | for (n_tries = 0; n_tries < MAX_LOCK_ATTEMPTS; n_tries++) |
n_tries < MAX_LOCK_ATTEMPTS | |
&& (fd = open(filename, O_RDWR|O_CREAT|O_EXLOCK|O_NONBLOCK, 0644)) < 0; | |
n_tries++) | |
{ |
{ |
int nscan, old_pid; | pid_t old_pid; |
FILE *fp; | |
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/* Abort on any unexpected errors */ | pfh = pidfile_open(filename, 0644, &old_pid); |
| if (pfh == NULL) { |
if (errno != EAGAIN) | if (errno == EEXIST) { |
{ | if (!killem) { |
Perror("%s: open(%s)", __FUNCTION__, filename); | Log(LG_ERR, ("already running as process %d", old_pid)); |
return(-1); | return(-1); |
| } |
| if (kill(old_pid, SIGTERM) < 0) |
| switch (errno) { |
| case ESRCH: |
| Log(LG_ERR, ("process %d no longer exists", old_pid)); |
| break; |
| default: |
| Perror("%s: kill(%d)", __FUNCTION__, old_pid); |
| return(-1); |
| } |
| /* Wait and try again */ |
| Log(LG_ERR, ("waiting for process %d to die...", old_pid)); |
| sleep(1); |
| } else { |
| Perror("cannot open pid file"); |
| return(-1); |
| } |
| } else { |
| pidfile_write(pfh); |
| break; |
} |
} |
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/* We're already running ... see who it is */ |
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if ((fp = fopen(filename, "r")) == NULL) |
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{ |
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Perror("%s: fopen(%s)", __FUNCTION__, filename); |
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return(-1); |
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} |
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/* If there's a PID in there, sniff it out */ |
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nscan = fscanf(fp, "%d", &old_pid); |
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fclose(fp); |
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if (nscan != 1) |
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{ |
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Log(LG_ERR, ("%s: contents mangled", filename)); |
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return(-1); |
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} |
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/* Maybe kill the other guy */ |
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if (!killem) |
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{ |
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Log(LG_ERR, ("already running as process %d", old_pid)); |
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return(-1); |
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} |
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if (kill(old_pid, SIGTERM) < 0) |
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switch (errno) |
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{ |
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case ESRCH: |
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Log(LG_ERR, ("process %d no longer exists", old_pid)); |
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break; |
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default: |
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Perror("%s: kill(%d)", __FUNCTION__, old_pid); |
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return(-1); |
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} |
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/* Wait and try again */ |
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Log(LG_ERR, ("waiting for process %d to die...", old_pid)); |
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sleep(1); |
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} |
} |
if (n_tries == MAX_LOCK_ATTEMPTS) |
if (n_tries == MAX_LOCK_ATTEMPTS) |
{ |
{ |
Log(LG_ERR, ("can't lock %s after %d attempts", filename, n_tries)); |
Log(LG_ERR, ("can't lock %s after %d attempts", filename, n_tries)); |
return(-1); |
return(-1); |
} |
} |
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/* Close on exec */ |
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(void) fcntl(fd, F_SETFD, 1); |
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/* Create a stream on top of file descriptor */ |
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if ((lockFp = fdopen(fd, "r+")) == NULL) |
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{ |
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Perror("%s: fdopen", __FUNCTION__); |
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return(-1); |
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} |
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setbuf(lockFp, NULL); |
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/* Write my PID in there */ |
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rewind(lockFp); |
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fprintf(lockFp, "%u\n", (u_int) gPid); |
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fflush(lockFp); |
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(void) ftruncate(fileno(lockFp), ftell(lockFp)); |
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return(0); |
return(0); |
} |
} |
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Line 1093 TcpGetListenPort(struct u_addr *addr, in_port_t port,
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Line 979 TcpGetListenPort(struct u_addr *addr, in_port_t port,
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/* Make socket available for connections */ |
/* Make socket available for connections */ |
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if (listen(sock, 2) < 0) | if (listen(sock, -1) < 0) |
{ |
{ |
Perror("%s: listen", __FUNCTION__); |
Perror("%s: listen", __FUNCTION__); |
(void) close(sock); |
(void) close(sock); |
Line 1166 ShowMesg(int log, const char *pref, const char *buf, i
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Line 1052 ShowMesg(int log, const char *pref, const char *buf, i
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if (len > 0) |
if (len > 0) |
{ |
{ |
if (len > sizeof(mesg) - 1) | if (len > (int)(sizeof(mesg) - 1)) |
len = sizeof(mesg) - 1; |
len = sizeof(mesg) - 1; |
memcpy(mesg, buf, len); |
memcpy(mesg, buf, len); |
mesg[len] = 0; |
mesg[len] = 0; |
Line 1186 Bin2Hex(const unsigned char *bin, size_t len)
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Line 1072 Bin2Hex(const unsigned char *bin, size_t len)
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size_t i, j; |
size_t i, j; |
char *buf; |
char *buf; |
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buf = Malloc(MB_UTIL, len * 2 + 1); | if (len > 0) { |
for (i = j = 0; i < len; i++) { | buf = Malloc(MB_UTIL, len * 2 + 1); |
buf[j++] = hexconvtab[bin[i] >> 4]; | for (i = j = 0; i < len; i++) { |
buf[j++] = hexconvtab[bin[i] & 15]; | buf[j++] = hexconvtab[bin[i] >> 4]; |
| buf[j++] = hexconvtab[bin[i] & 15]; |
| } |
| buf[j] = 0; |
| } else { |
| buf = Malloc(MB_UTIL, 3); |
| buf[0] = '0'; |
| buf[1] = '0'; |
| buf[2] = 0; |
} |
} |
buf[j] = 0; |
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return buf; |
return buf; |
} |
} |
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Line 1202 Bin2Hex(const unsigned char *bin, size_t len)
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Line 1095 Bin2Hex(const unsigned char *bin, size_t len)
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u_char * |
u_char * |
Hex2Bin(char *hexstr) |
Hex2Bin(char *hexstr) |
{ |
{ |
int i; | unsigned i; |
u_char *binval; |
u_char *binval; |
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binval = Malloc(MB_UTIL, strlen(hexstr) / 2); |
binval = Malloc(MB_UTIL, strlen(hexstr) / 2); |
Line 1228 HexVal(char c)
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Line 1121 HexVal(char c)
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} |
} |
} |
} |
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#ifndef USE_NG_PRED1 |
/* |
/* |
* Crc16() |
* Crc16() |
* |
* |
Line 1242 Crc16(u_short crc, u_char *cp, int len)
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Line 1136 Crc16(u_short crc, u_char *cp, int len)
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crc = (crc >> 8) ^ Crc16Table[(crc ^ *cp++) & 0xff]; |
crc = (crc >> 8) ^ Crc16Table[(crc ^ *cp++) & 0xff]; |
return(crc); |
return(crc); |
} |
} |
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#endif |
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/* |
/* |
* GetAnyIpAddress() |
* GetAnyIpAddress() |
Line 1283 GetAnyIpAddress(struct u_addr *ipaddr, const char *ifn
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Line 1178 GetAnyIpAddress(struct u_addr *ipaddr, const char *ifn
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close(s); |
close(s); |
return(-1); |
return(-1); |
} |
} |
ipa = ((struct sockaddr_in *)&ifreq.ifr_ifru.ifru_addr)->sin_addr; | ipa = ((struct sockaddr_in *)(void *)&ifreq.ifr_ifru.ifru_addr)->sin_addr; |
if ((ntohl(ipa.s_addr)>>24) == 127) |
if ((ntohl(ipa.s_addr)>>24) == 127) |
ipa.s_addr = 0; /* We don't like 127.0.0.1 */ |
ipa.s_addr = 0; /* We don't like 127.0.0.1 */ |
} |
} |
Line 1303 GetAnyIpAddress(struct u_addr *ipaddr, const char *ifn
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Line 1198 GetAnyIpAddress(struct u_addr *ipaddr, const char *ifn
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} |
} |
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|
/* if used size is too close to allocated size retry with a larger buffer */ |
/* if used size is too close to allocated size retry with a larger buffer */ |
if (ifc.ifc_len + 128 < buffsize) | if ((unsigned)ifc.ifc_len + 128 < buffsize) |
break; |
break; |
|
|
Freee(ifs); |
Freee(ifs); |
Line 1403 GetEther(struct u_addr *addr, struct sockaddr_dl *hwad
|
Line 1298 GetEther(struct u_addr *addr, struct sockaddr_dl *hwad
|
} |
} |
|
|
/* if used size is too close to allocated size retry with a larger buffer */ |
/* if used size is too close to allocated size retry with a larger buffer */ |
if (ifc.ifc_len + 128 < buffsize) | if ((unsigned)ifc.ifc_len + 128 < buffsize) |
break; |
break; |
|
|
Freee(ifs); |
Freee(ifs); |
Line 1434 GetEther(struct u_addr *addr, struct sockaddr_dl *hwad
|
Line 1329 GetEther(struct u_addr *addr, struct sockaddr_dl *hwad
|
ifreq.ifr_addr = ifr->ifr_addr; |
ifreq.ifr_addr = ifr->ifr_addr; |
|
|
/* Check that the interface is up, and not point-to-point or loopback */ |
/* Check that the interface is up, and not point-to-point or loopback */ |
if (ioctl(s, SIOCGIFFLAGS, &ifreq) < 0) | if (ioctl(s, SIOCGIFFLAGS, &ifreq) < 0) { |
| Log(LG_IFACE2, ("ioctl(SIOCGIFFLAGS, %s): %d", ifr->ifr_name, errno)); |
continue; |
continue; |
|
} |
if ((ifreq.ifr_flags & |
if ((ifreq.ifr_flags & |
(IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP)) |
(IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP)) |
!= (IFF_UP|IFF_BROADCAST)) |
!= (IFF_UP|IFF_BROADCAST)) |
Line 1514 GetPeerEther(struct u_addr *addr, struct sockaddr_dl *
|
Line 1411 GetPeerEther(struct u_addr *addr, struct sockaddr_dl *
|
mib[5] = 0; |
mib[5] = 0; |
#endif |
#endif |
if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { |
if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { |
Log(LG_ERR, ("route-sysctl-estimate")); | Perror("route-sysctl-estimate"); |
return (0); |
return (0); |
} |
} |
if (needed == 0) /* empty table */ |
if (needed == 0) /* empty table */ |
Line 1536 GetPeerEther(struct u_addr *addr, struct sockaddr_dl *
|
Line 1433 GetPeerEther(struct u_addr *addr, struct sockaddr_dl *
|
} |
} |
lim = buf + needed; |
lim = buf + needed; |
for (next = buf; next < lim; next += rtm->rtm_msglen) { |
for (next = buf; next < lim; next += rtm->rtm_msglen) { |
rtm = (struct rt_msghdr *)next; | rtm = (struct rt_msghdr *)(void *)next; |
sin2 = (struct sockaddr_inarp *)(rtm + 1); |
sin2 = (struct sockaddr_inarp *)(rtm + 1); |
if (addr->u.ip4.s_addr == sin2->sin_addr.s_addr) { |
if (addr->u.ip4.s_addr == sin2->sin_addr.s_addr) { |
sdl = (struct sockaddr_dl *)((char *)sin2 + SA_SIZE(sin2)); | sdl = (struct sockaddr_dl *)(void *)((char *)sin2 + SA_SIZE(sin2)); |
memcpy(hwaddr, sdl, sdl->sdl_len); |
memcpy(hwaddr, sdl, sdl->sdl_len); |
found_entry = 1; |
found_entry = 1; |
break; |
break; |
Line 1556 void
|
Line 1453 void
|
ppp_util_ascify(char *buf, size_t bsiz, const char *data, size_t len) |
ppp_util_ascify(char *buf, size_t bsiz, const char *data, size_t len) |
{ |
{ |
char *bp; |
char *bp; |
int i; | unsigned i; |
|
|
for (bp = buf, i = 0; i < len; i++) { |
for (bp = buf, i = 0; i < len; i++) { |
const char ch = (char)data[i]; |
const char ch = (char)data[i]; |
Line 1594 ppp_util_ascify(char *buf, size_t bsiz, const char *da
|
Line 1491 ppp_util_ascify(char *buf, size_t bsiz, const char *da
|
*bp = '\0'; |
*bp = '\0'; |
} |
} |
|
|
|
#ifndef HAVE_NTOA_R |
|
/* |
|
* Convert a binary representation of an ethernet address to an ASCII string. |
|
*/ |
|
char * |
|
ether_ntoa_r(const struct ether_addr *n, char *a) |
|
{ |
|
int i; |
|
|
|
i = sprintf(a, "%02x:%02x:%02x:%02x:%02x:%02x", n->octet[0], |
|
n->octet[1], n->octet[2], n->octet[3], n->octet[4], n->octet[5]); |
|
if (i < 17) |
|
return (NULL); |
|
return (a); |
|
} |
|
#endif |
|
|
|
int |
|
IfaceSetFlag(const char *ifname, int value) |
|
{ |
|
struct ifreq my_ifr; |
|
int s; |
|
int flags; |
|
|
|
/* Get socket */ |
|
if ((s = socket(PF_LOCAL, SOCK_DGRAM, 0)) < 0) { |
|
Perror("Can't get socket to set flags"); |
|
return(-1); |
|
} |
|
|
|
memset(&my_ifr, 0, sizeof(my_ifr)); |
|
(void) strlcpy(my_ifr.ifr_name, ifname, sizeof(my_ifr.ifr_name)); |
|
|
|
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) { |
|
Perror("ioctl (SIOCGIFFLAGS)"); |
|
close(s); |
|
return (-1); |
|
} |
|
flags = (my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16); |
|
|
|
if (value < 0) { |
|
value = -value; |
|
flags &= ~value; |
|
} else |
|
flags |= value; |
|
my_ifr.ifr_flags = flags & 0xffff; |
|
my_ifr.ifr_flagshigh = flags >> 16; |
|
if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) { |
|
Perror("ioctl (SIOCSIFFLAGS)"); |
|
close(s); |
|
return (-1); |
|
} |
|
close(s); |
|
return (0); |
|
} |