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Do away with the ``err'' variable.

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Inspired by: kris
This commit is contained in:
Brian Somers 2001-07-03 01:02:26 +00:00
parent 6060f58628
commit 7aab014be6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=79119
1 changed files with 117 additions and 74 deletions
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191
usr.sbin/ppp/command.c
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@ -1488,11 +1488,10 @@ static int
SetVariable(struct cmdargs const *arg)
{
long long_val, param = (long)arg->cmd->args;
int mode, dummyint, f, first;
int mode, dummyint, f, first, res;
u_short *change;
const char *argp;
struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
const char *err = NULL;
struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
struct in_addr dummyaddr, *addr;
@ -1501,6 +1500,8 @@ SetVariable(struct cmdargs const *arg)
else
argp = "";
res = 0;
if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
log_Printf(LogWARN, "set %s: No context (use the `link' command)\n",
arg->cmd->name);
@ -1542,14 +1543,16 @@ SetVariable(struct cmdargs const *arg)
if (v1 < 0 || *end) {
log_Printf(LogWARN, "autoload: %s: Invalid min percentage\n",
arg->argv[arg->argn]);
return 1;
res = 1;
break;
}
v2 = strtol(arg->argv[arg->argn + 1], &end, 0);
if (v2 < 0 || *end) {
log_Printf(LogWARN, "autoload: %s: Invalid max percentage\n",
arg->argv[arg->argn + 1]);
return 1;
res = 1;
break;
}
if (v2 < v1) {
v3 = v1;
@ -1561,7 +1564,8 @@ SetVariable(struct cmdargs const *arg)
if (v3 <= 0 || *end) {
log_Printf(LogWARN, "autoload: %s: Invalid throughput period\n",
arg->argv[arg->argn + 2]);
return 1;
res = 1;
break;
}
arg->bundle->ncp.mp.cfg.autoload.min = v1;
@ -1569,8 +1573,8 @@ SetVariable(struct cmdargs const *arg)
arg->bundle->ncp.mp.cfg.autoload.period = v3;
mp_RestartAutoloadTimer(&arg->bundle->ncp.mp);
} else {
err = "Set autoload requires three arguments\n";
log_Printf(LogWARN, "%s", err);
log_Printf(LogWARN, "Set autoload requires three arguments\n");
res = 1;
}
break;
@ -1604,15 +1608,17 @@ SetVariable(struct cmdargs const *arg)
} else
l->ccp.cfg.deflate.in.winsize = 0;
} else {
err = "No window size specified\n";
log_Printf(LogWARN, "%s", err);
log_Printf(LogWARN, "No window size specified\n");
res = 1;
}
break;
#ifdef HAVE_DES
case VAR_MPPE:
if (arg->argc > arg->argn + 2)
return -1;
if (arg->argc > arg->argn + 2) {
res = -1;
break;
}
if (arg->argc == arg->argn) {
l->ccp.cfg.mppe.keybits = 0;
@ -1627,7 +1633,8 @@ SetVariable(struct cmdargs const *arg)
long_val = atol(argp);
if (long_val != 40 && long_val != 56 && long_val != 128) {
log_Printf(LogWARN, "%s: Invalid bits value\n", argp);
return -1;
res = -1;
break;
}
}
@ -1641,7 +1648,8 @@ SetVariable(struct cmdargs const *arg)
else {
log_Printf(LogWARN, "%s: Invalid state value\n",
arg->argv[arg->argn + 1]);
return -1;
res = -1;
break;
}
} else
l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
@ -1661,8 +1669,8 @@ SetVariable(struct cmdargs const *arg)
sscanf(argp, "%lx", &ulong_val);
cx->physical->link.lcp.cfg.accmap = (u_int32_t)ulong_val;
} else {
err = "No accmap specified\n";
log_Printf(LogWARN, "%s", err);
log_Printf(LogWARN, "No accmap specified\n");
res = 1;
}
break;
@ -1670,7 +1678,8 @@ SetVariable(struct cmdargs const *arg)
mode = Nam2mode(argp);
if (mode == PHYS_NONE || mode == PHYS_ALL) {
log_Printf(LogWARN, "%s: Invalid mode\n", argp);
return -1;
res = -1;
break;
}
bundle_SetMode(arg->bundle, cx, mode);
break;
@ -1683,20 +1692,26 @@ SetVariable(struct cmdargs const *arg)
/* Make sure none of our links are DATALINK_LCP or greater */
if (bundle_HighestState(arg->bundle) >= DATALINK_LCP) {
log_Printf(LogWARN, "mrru: Only changable before LCP negotiations\n");
return 1;
res = 1;
break;
}
break;
default:
log_Printf(LogWARN, "mrru: Only changable at phase DEAD/ESTABLISH\n");
return 1;
res = 1;
break;
}
if (res != 0)
break;
long_val = atol(argp);
if (long_val && long_val < MIN_MRU) {
log_Printf(LogWARN, "MRRU %ld: too small - min %d\n", long_val, MIN_MRU);
return 1;
res = 1;
break;
} else if (long_val > MAX_MRU) {
log_Printf(LogWARN, "MRRU %ld: too big - max %d\n", long_val, MAX_MRU);
return 1;
res = 1;
break;
} else
arg->bundle->ncp.mp.cfg.mrru = long_val;
break;
@ -1704,40 +1719,52 @@ SetVariable(struct cmdargs const *arg)
case VAR_MRU:
switch(arg->argc - arg->argn) {
case 1:
if (argp[strspn(argp, "0123456789")] != '\0')
return -1;
if (argp[strspn(argp, "0123456789")] != '\0') {
res = -1;
break;
}
/*FALLTHRU*/
case 0:
long_val = atol(argp);
change = &l->lcp.cfg.mru;
if (long_val > l->lcp.cfg.max_mru) {
log_Printf(LogWARN, "MRU %ld: too large - max set to %d\n", long_val,
l->lcp.cfg.max_mru);
return 1;
res = 1;
break;
}
break;
case 2:
if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum"))
return -1;
if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum")) {
res = -1;
break;
}
long_val = atol(arg->argv[arg->argn + 1]);
change = &l->lcp.cfg.max_mru;
if (long_val > MAX_MRU) {
log_Printf(LogWARN, "MRU %ld: too large - maximum is %d\n", long_val,
MAX_MRU);
return 1;
res = 1;
break;
}
break;
default:
return -1;
res = -1;
break;
}
if (res != 0)
break;
if (long_val == 0)
*change = DEF_MRU;
else if (long_val < MIN_MRU) {
log_Printf(LogWARN, "MRU %ld: too small - min %d\n", long_val, MIN_MRU);
return 1;
res = 1;
break;
} else if (long_val > MAX_MRU) {
log_Printf(LogWARN, "MRU %ld: too big - max %d\n", long_val, MAX_MRU);
return 1;
res = 1;
break;
} else
*change = long_val;
if (l->lcp.cfg.mru > *change)
@ -1747,38 +1774,51 @@ SetVariable(struct cmdargs const *arg)
case VAR_MTU:
switch(arg->argc - arg->argn) {
case 1:
if (argp[strspn(argp, "0123456789")] != '\0')
return -1;
if (argp[strspn(argp, "0123456789")] != '\0') {
res = -1;
break;
}
/*FALLTHRU*/
case 0:
long_val = atol(argp);
change = &l->lcp.cfg.mtu;
if (long_val > l->lcp.cfg.max_mtu) {
log_Printf(LogWARN, "MTU %ld: too large - max set to %d\n", long_val,
l->lcp.cfg.max_mtu);
return 1;
res = 1;
break;
}
break;
case 2:
if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum"))
return -1;
if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum")) {
res = -1;
break;
}
long_val = atol(arg->argv[arg->argn + 1]);
change = &l->lcp.cfg.max_mtu;
if (long_val > MAX_MTU) {
log_Printf(LogWARN, "MTU %ld: too large - maximum is %d\n", long_val,
MAX_MTU);
return 1;
res = 1;
break;
}
break;
default:
return -1;
res = -1;
break;
}
if (res != 0)
break;
if (long_val && long_val < MIN_MTU) {
log_Printf(LogWARN, "MTU %ld: too small - min %d\n", long_val, MIN_MTU);
return 1;
res = 1;
break;
} else if (long_val > MAX_MTU) {
log_Printf(LogWARN, "MTU %ld: too big - max %d\n", long_val, MAX_MTU);
return 1;
res = 1;
break;
} else
*change = long_val;
if (l->lcp.cfg.mtu > *change)
@ -1792,8 +1832,8 @@ SetVariable(struct cmdargs const *arg)
else if (strcasecmp(argp, "passive") == 0)
cx->physical->link.lcp.cfg.openmode = OPEN_PASSIVE;
else {
err = "%s: Invalid openmode\n";
log_Printf(LogWARN, err, argp);
log_Printf(LogWARN, "%s: Invalid openmode\n", argp);
res = 1;
}
break;
@ -1819,19 +1859,19 @@ SetVariable(struct cmdargs const *arg)
break;
case VAR_IDLETIMEOUT:
if (arg->argc > arg->argn+2)
err = "Too many idle timeout values\n";
else if (arg->argc == arg->argn)
err = "Too few idle timeout values\n";
else {
if (arg->argc > arg->argn+2) {
log_Printf(LogWARN, "Too many idle timeout values\n");
res = 1;
} else if (arg->argc == arg->argn) {
log_Printf(LogWARN, "Too few idle timeout values\n");
res = 1;
} else {
int timeout, min;
timeout = atoi(argp);
min = arg->argc == arg->argn + 2 ? atoi(arg->argv[arg->argn + 1]) : -1;
bundle_SetIdleTimer(arg->bundle, timeout, min);
}
if (err)
log_Printf(LogWARN, "%s", err);
break;
case VAR_LQRPERIOD:
@ -1839,41 +1879,41 @@ SetVariable(struct cmdargs const *arg)
if (long_val < MIN_LQRPERIOD) {
log_Printf(LogWARN, "%ld: Invalid lqr period - min %d\n",
long_val, MIN_LQRPERIOD);
return 1;
res = 1;
} else
l->lcp.cfg.lqrperiod = long_val;
break;
case VAR_LCPRETRY:
return SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&cx->physical->link.lcp.cfg.fsm.timeout,
&cx->physical->link.lcp.cfg.fsm.maxreq,
&cx->physical->link.lcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&cx->physical->link.lcp.cfg.fsm.timeout,
&cx->physical->link.lcp.cfg.fsm.maxreq,
&cx->physical->link.lcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
break;
case VAR_CHAPRETRY:
return SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&cx->chap.auth.cfg.fsm.timeout,
&cx->chap.auth.cfg.fsm.maxreq, NULL, DEF_FSMAUTHTRIES);
res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&cx->chap.auth.cfg.fsm.timeout,
&cx->chap.auth.cfg.fsm.maxreq, NULL, DEF_FSMAUTHTRIES);
break;
case VAR_PAPRETRY:
return SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&cx->pap.cfg.fsm.timeout, &cx->pap.cfg.fsm.maxreq,
NULL, DEF_FSMAUTHTRIES);
res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&cx->pap.cfg.fsm.timeout, &cx->pap.cfg.fsm.maxreq,
NULL, DEF_FSMAUTHTRIES);
break;
case VAR_CCPRETRY:
return SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&l->ccp.cfg.fsm.timeout, &l->ccp.cfg.fsm.maxreq,
&l->ccp.cfg.fsm.maxtrm, DEF_FSMTRIES);
res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&l->ccp.cfg.fsm.timeout, &l->ccp.cfg.fsm.maxreq,
&l->ccp.cfg.fsm.maxtrm, DEF_FSMTRIES);
break;
case VAR_IPCPRETRY:
return SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&arg->bundle->ncp.ipcp.cfg.fsm.timeout,
&arg->bundle->ncp.ipcp.cfg.fsm.maxreq,
&arg->bundle->ncp.ipcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
&arg->bundle->ncp.ipcp.cfg.fsm.timeout,
&arg->bundle->ncp.ipcp.cfg.fsm.maxreq,
&arg->bundle->ncp.ipcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
break;
case VAR_NBNS:
@ -1922,8 +1962,10 @@ SetVariable(struct cmdargs const *arg)
}
} else if (!strcasecmp(arg->argv[dummyint], "none"))
cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_NONE);
else
return -1;
else {
res = -1;
break;
}
}
if (cx->cfg.callback.opmask == CALLBACK_BIT(CALLBACK_NONE))
cx->cfg.callback.opmask = 0;
@ -1973,7 +2015,8 @@ SetVariable(struct cmdargs const *arg)
*arg->bundle->radius.cfg.file = '\0';
else if (access(argp, R_OK)) {
log_Printf(LogWARN, "%s: %s\n", argp, strerror(errno));
return 1;
res = 1;
break;
} else {
strncpy(arg->bundle->radius.cfg.file, argp,
sizeof arg->bundle->radius.cfg.file - 1);
@ -2002,10 +2045,10 @@ SetVariable(struct cmdargs const *arg)
case VAR_PARITY:
if (arg->argc == arg->argn + 1)
return physical_SetParity(arg->cx->physical, argp);
res = physical_SetParity(arg->cx->physical, argp);
else {
err = "Parity value must be odd, even or none\n";
log_Printf(LogWARN, "%s", err);
log_Printf(LogWARN, "Parity value must be odd, even or none\n");
res = 1;
}
break;
@ -2015,8 +2058,8 @@ SetVariable(struct cmdargs const *arg)
else if (strcasecmp(argp, "off") == 0)
physical_SetRtsCts(arg->cx->physical, 0);
else {
err = "RTS/CTS value must be on or off\n";
log_Printf(LogWARN, "%s", err);
log_Printf(LogWARN, "RTS/CTS value must be on or off\n");
res = 1;
}
break;
@ -2066,7 +2109,7 @@ SetVariable(struct cmdargs const *arg)
break;
}
return err ? 1 : 0;
return res;
}
static struct cmdtab const SetCommands[] = {