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cleaned up some, added validation to getoptions()

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svn:r40
This commit is contained in:
Bruce Montrose 2002-07-11 14:50:26 +00:00
parent eb51576abf
commit 4c65f31340
2 changed files with 124 additions and 23 deletions
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146
src/or/config.c
View File

@ -8,6 +8,9 @@
/*
* Changes :
* $Log$
* Revision 1.7 2002/07/11 14:50:26 montrose
* cleaned up some, added validation to getoptions()
*
* Revision 1.6 2002/07/10 12:37:49 montrose
* Added usage display on error.
*
@ -65,16 +68,18 @@ int getconfig(char *conf_filename, config_opt_t *options)
int getoptions(int argc, char **argv, or_options_t *options)
/**
A replacement for getargs() and getconfig() which uses the <popt> library to parse
both command-line arguments and configuration files. A specific configuration file
may be specified using the --ConfigFile option. If one is not specified, then the
configuration files at /etc/<cmd>rc and ~/.<cmd>rc will be loaded in that order (so
user preferences will override the ones specified in /etc. Note: <cmd> is the
basename() or argv[0] so one could run the same executeable through soft links to
get different configuration files loaded for different instances of the same program.
The ConfigFile option may only be used on the command-line. All other command-line
configuration files at /etc/<cmd>rc and ~/.<cmd>rc will be loaded in that order so
user preferences will override the ones specified in /etc.
The --ConfigFile (-f) option may only be used on the command-line. All other command-line
options may also be specified in configuration files. <popt> aliases are enabled
here so a user can define their own options in the /etc/popt or ~/.popt files.
so a user can define their own options in the /etc/popt or ~/.popt files as outlined
in "man popt" pages.
RETURN VALUE: 0 on success, non-zero on error
**/
{
@ -85,17 +90,28 @@ RETURN VALUE: 0 on success, non-zero on error
char *cmd;
struct poptOption opt_tab[] =
{
{ "APPort", 'a', POPT_ARG_INT, &options->APPort, 0, "application proxy port", "<port>" },
{ "CoinWeight", 'w', POPT_ARG_FLOAT, &options->CoinWeight, 0, "coin weight used in determining routes", "<weight>" },
{ "ConfigFile", 'f', POPT_ARG_STRING, &ConfigFile, 0, "user specified configuration file", "<file>" },
{ "LogLevel", 'l', POPT_ARG_STRING, &options->LogLevel, 0, "emerg|alert|crit|err|warning|notice|info|debug", "<level>" },
{ "MaxConn", 'm', POPT_ARG_INT, &options->MaxConn, 0, "maximum number of incoming connections", "<max>" },
{ "OPPort", 'o', POPT_ARG_INT, &options->OPPort, 0, "onion proxy port", "<port>" },
{ "ORPort", 'p', POPT_ARG_INT, &options->ORPort, 0, "onion router port", "<port>" },
{ "PrivateKeyFile", 'k', POPT_ARG_STRING, &options->PrivateKeyFile, 0, "maximum number of incoming connections", "<max>" },
{ "RouterFile", 'r', POPT_ARG_STRING, &options->RouterFile, 0, "local port on which the onion proxy is running", "<port>" },
{ "TrafficShaping", 't', POPT_ARG_INT, &options->TrafficShaping, 0, "which traffic shaping policy to use", "<policy>" },
{ "Verbose", 'v', POPT_ARG_NONE, &Verbose, 0, "display options selected before execution", NULL },
{ "APPort", 'a', POPT_ARG_INT, &options->APPort,
0, "application proxy port", "<port>" },
{ "CoinWeight", 'w', POPT_ARG_FLOAT, &options->CoinWeight,
0, "coin weight used in determining routes", "<weight>" },
{ "ConfigFile", 'f', POPT_ARG_STRING, &ConfigFile,
0, "user specified configuration file", "<file>" },
{ "LogLevel", 'l', POPT_ARG_STRING, &options->LogLevel,
0, "emerg|alert|crit|err|warning|notice|info|debug", "<level>" },
{ "MaxConn", 'm', POPT_ARG_INT, &options->MaxConn,
0, "maximum number of incoming connections", "<max>" },
{ "OPPort", 'o', POPT_ARG_INT, &options->OPPort,
0, "onion proxy port", "<port>" },
{ "ORPort", 'p', POPT_ARG_INT, &options->ORPort,
0, "onion router port", "<port>" },
{ "PrivateKeyFile", 'k', POPT_ARG_STRING, &options->PrivateKeyFile,
0, "maximum number of incoming connections", "<max>" },
{ "RouterFile", 'r', POPT_ARG_STRING, &options->RouterFile,
0, "local port on which the onion proxy is running", "<port>" },
{ "TrafficShaping", 't', POPT_ARG_INT, &options->TrafficShaping,
0, "which traffic shaping policy to use", "<policy>" },
{ "Verbose", 'v', POPT_ARG_NONE, &Verbose,
0, "display options selected before execution", NULL },
POPT_AUTOHELP /* handles --usage and --help automatically */
POPT_TABLEEND /* marks end of table */
};
@ -109,7 +125,7 @@ RETURN VALUE: 0 on success, non-zero on error
code = poptGetNextOpt(optCon); /* first we handle command-line args */
if ( code == -1 )
{
if ( ConfigFile ) /* handle user-specified config file if any */
if ( ConfigFile ) /* handle user-specified config file */
code = poptReadOptions(optCon,ConfigFile);
else /* load Default configuration files */
code = poptReadDefaultOptions(cmd,optCon);
@ -118,26 +134,110 @@ RETURN VALUE: 0 on success, non-zero on error
switch(code) /* error checking */
{
case INT_MIN:
fprintf(stderr, "%s: Unable to open configuration file.\n", ConfigFile);
log(LOG_ERR, "%s: Unable to open configuration file.\n", ConfigFile);
break;
case -1:
if ( Verbose ) /* display options upon user request */
{
printf("LogLevel=%s\n",options->LogLevel);
printf("RouterFile=%s, PrivateKeyFile=%s\n",options->RouterFile,options->PrivateKeyFile);
printf("ORPort=%d, OPPort=%d, APPort=%d\n",options->ORPort,options->OPPort,options->APPort);
printf("CoinWeight=%6.4f, MaxConn=%d, TrafficShaping=%d\n",options->CoinWeight,options->MaxConn,options->TrafficShaping);
printf("RouterFile=%s, PrivateKeyFile=%s\n",
options->RouterFile,
options->PrivateKeyFile);
printf("ORPort=%d, OPPort=%d, APPort=%d\n",
options->ORPort,options->OPPort,
options->APPort);
printf("CoinWeight=%6.4f, MaxConn=%d, TrafficShaping=%d\n",
options->CoinWeight,
options->MaxConn,
options->TrafficShaping);
}
code = 0;
break;
default:
poptPrintUsage(optCon, stderr, 0);
fprintf(stderr, "%s: %s\n", poptBadOption(optCon, POPT_BADOPTION_NOALIAS), poptStrerror(code));
log(LOG_ERR, "%s: %s\n", poptBadOption(optCon, POPT_BADOPTION_NOALIAS), poptStrerror(code));
break;
}
poptFreeContext(optCon);
/* Validate options */
if ( options->LogLevel )
{
if (!strcmp(options->LogLevel,"emerg"))
options->loglevel = LOG_EMERG;
else if (!strcmp(options->LogLevel,"alert"))
options->loglevel = LOG_ALERT;
else if (!strcmp(options->LogLevel,"crit"))
options->loglevel = LOG_CRIT;
else if (!strcmp(options->LogLevel,"err"))
options->loglevel = LOG_ERR;
else if (!strcmp(options->LogLevel,"warning"))
options->loglevel = LOG_WARNING;
else if (!strcmp(options->LogLevel,"notice"))
options->loglevel = LOG_NOTICE;
else if (!strcmp(options->LogLevel,"info"))
options->loglevel = LOG_INFO;
else if (!strcmp(options->LogLevel,"debug"))
options->loglevel = LOG_DEBUG;
else
{
log(LOG_ERR,"LogLevel must be one of emerg|alert|crit|err|warning|notice|info|debug.");
code = -1;
}
}
else
options->loglevel = LOG_DEBUG; /* default value */
if ( options->RouterFile == NULL )
{
log(LOG_ERR,"RouterFile option required, but not found.");
code = -1;
}
if ( options->PrivateKeyFile == NULL )
{
log(LOG_ERR,"PrivateKeyFile option required, but not found.");
code = -1;
}
if ( options->ORPort < 1 )
{
log(LOG_ERR,"ORPort option required and must be a positive integer value.");
code = -1;
}
if ( options->OPPort < 1 )
{
log(LOG_ERR,"OPPort option required and must be a positive integer value.");
code = -1;
}
if ( options->APPort < 1 )
{
log(LOG_ERR,"APPort option required and must be a positive integer value.");
code = -1;
}
if ( options->CoinWeight < 0.0 || options->CoinWeight >= 1.0 )
{
log(LOG_ERR,"CoinWeight option must a value from 0.0 upto 1.0, but not including 1.0.");
code = -1;
}
if ( options->MaxConn <= 0 )
{
log(LOG_ERR,"MaxConn option must be a non-zero positive integer.");
code = -1;
}
if ( options->TrafficShaping != 0 && options->TrafficShaping != 1 )
{
log(LOG_ERR,"TrafficShaping option must be either 0 or 1.");
code = -1;
}
return code;
}

1
src/or/or.h
View File

@ -295,6 +295,7 @@ typedef struct
int APPort;
int MaxConn;
int TrafficShaping;
int loglevel;
} or_options_t;