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Added a new parse-numeric-parameters function so that options that take

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a numeric argument can better bail out if given a weird parameter. This
catches situations such as "-y -Y 2000" or "-O -C [URL]" etc.
This commit is contained in:
Daniel Stenberg 2003-10-31 09:22:25 +00:00
parent ffc58c6620
commit 900cecae96
1 changed files with 39 additions and 8 deletions
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47
src/main.c
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@ -1034,7 +1034,7 @@ typedef enum {
PARAM_BAD_USE,
PARAM_HELP_REQUESTED,
PARAM_GOT_EXTRA_PARAMETER,
PARAM_BAD_NUMERIC,
PARAM_LAST
} ParameterError;
@ -1053,6 +1053,23 @@ static void cleanarg(char *str)
#endif
}
/*
* Parse the string and write the integer in the given address. Return
* non-zero on failure, zero on success.
*
* The string must start with a digit to be valid.
*/
static int str2num(int *val, char *str)
{
int retcode = 0;
if(isdigit((int)*str))
*val = atoi(str);
else
retcode = 1; /* badness */
return retcode;
}
static void checkpasswd(const char *kind, /* for what purpose */
char **userpwd) /* pointer to allocated string */
{
@ -1296,7 +1313,8 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
GetStr(&config->egd_file, nextarg);
break;
case 'c': /* connect-timeout */
config->connecttimeout=atoi(nextarg);
if(str2num(&config->connecttimeout, nextarg))
return PARAM_BAD_NUMERIC;
break;
case 'd': /* ciphers */
GetStr(&config->cipher_list, nextarg);
@ -1379,7 +1397,8 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
case 's': /* --max-redirs */
/* specified max no of redirects (http(s)) */
config->maxredirs = atoi(nextarg);
if(str2num(&config->maxredirs, nextarg))
return PARAM_BAD_NUMERIC;
break;
case 't': /* --proxy-ntlm */
@ -1408,7 +1427,8 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
GetStr(&config->krb4level, nextarg);
break;
case 'y': /* --max-filesize */
config->max_filesize = atoi(nextarg);
if(str2num(&config->max_filesize, nextarg))
return PARAM_BAD_NUMERIC;
break;
case 'z': /* --disable-eprt */
config->disable_eprt ^= TRUE;
@ -1499,7 +1519,8 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
case 'C':
/* This makes us continue an ftp transfer at given position */
if(!curl_strequal(nextarg, "-")) {
config->resume_from= atoi(nextarg);
if(str2num(&config->resume_from, nextarg))
return PARAM_BAD_NUMERIC;
config->resume_from_current = FALSE;
}
else {
@ -1706,7 +1727,8 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
break;
case 'm':
/* specified max time */
config->timeout = atoi(nextarg);
if(str2num(&config->timeout, nextarg))
return PARAM_BAD_NUMERIC;
break;
case 'M': /* M for manual, huge help */
hugehelp();
@ -1928,13 +1950,15 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
break;
case 'y':
/* low speed time */
config->low_speed_time = atoi(nextarg);
if(str2num(&config->low_speed_time, nextarg))
return PARAM_BAD_NUMERIC;
if(!config->low_speed_limit)
config->low_speed_limit = 1;
break;
case 'Y':
/* low speed limit */
config->low_speed_limit = atoi(nextarg);
if(str2num(&config->low_speed_limit, nextarg))
return PARAM_BAD_NUMERIC;
if(!config->low_speed_time)
config->low_speed_time=30;
break;
@ -2141,6 +2165,9 @@ static int parseconfig(const char *filename,
case PARAM_BAD_USE:
reason = "is badly used here";
break;
case PARAM_BAD_NUMERIC:
reason = "expected a proper numerical parameter";
break;
}
fprintf(stderr, "%s:%d: warning: '%s' %s\n",
filename, lineno, option, reason);
@ -2670,6 +2697,10 @@ operate(struct Configurable *config, int argc, char *argv[])
case PARAM_BAD_USE:
helpf("option %s was wrongly used!\n", origopt);
break;
case PARAM_BAD_NUMERIC:
helpf("option %s expected a proper numerical parameter\n",
origopt);
break;
case PARAM_HELP_REQUESTED:
/* no text */
break;