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import of dnsmasq-2.9.tar.gz

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This commit is contained in:
Simon Kelley
2004-06-22 20:23:33 +01:00
parent a222641cb0
commit de37951cf4
15 changed files with 470 additions and 235 deletions
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70
src/option.c
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@@ -154,7 +154,7 @@ static char *usage =
unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **resolv_files,
char **mxname, char **mxtarget, char **lease_file,
struct mx_record **mxnames, char **mxtarget, char **lease_file,
char **username, char **groupname, char **domain_suffix, char **runfile,
struct iname **if_names, struct iname **if_addrs, struct iname **if_except,
struct bogus_addr **bogus_addr, struct server **serv_addrs, int *cachesize, int *port,
@@ -346,11 +346,22 @@ unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **reso
}
case 'm':
if (!canonicalise(optarg))
option = '?';
else
*mxname = safe_string_alloc(optarg);
break;
{
char *comma = strchr(optarg, ',');
if (comma)
*(comma++) = 0;
if (!canonicalise(optarg) || (comma && !canonicalise(comma)))
option = '?';
else
{
struct mx_record *new = safe_malloc(sizeof(struct mx_record));
new->next = *mxnames;
*mxnames = new;
new->mxname = safe_string_alloc(optarg);
new->mxtarget = safe_string_alloc(comma); /* may be NULL */
}
break;
}
case 't':
if (!canonicalise(optarg))
@@ -371,7 +382,9 @@ unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **reso
break;
case 's':
if (!canonicalise(optarg))
if (strcmp (optarg, "#") == 0)
flags |= OPT_RESOLV_DOMAIN;
else if (!canonicalise(optarg))
option = '?';
else
*domain_suffix = safe_string_alloc(optarg);
@@ -393,6 +406,7 @@ unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **reso
/* new->name may be NULL if someone does
"interface=" to disable all interfaces except loop. */
new->name = safe_string_alloc(optarg);
new->isloop = new->used = 0;
if (strchr(optarg, ':'))
flags |= OPT_NOWILD;
break;
@@ -481,7 +495,7 @@ unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **reso
/* # matches everything and becomes a zero length domain string */
if (strcmp(optarg, "#") == 0)
domain = "";
else if (!canonicalise(optarg))
else if (!canonicalise(optarg) && strlen(optarg) != 0)
option = '?';
else
domain = safe_string_alloc(optarg); /* NULL if strlen is zero */
@@ -1191,13 +1205,18 @@ unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **reso
/* only one of these need be specified: the other defaults to the
host-name */
if ((flags & OPT_LOCALMX) || *mxname || *mxtarget)
if ((flags & OPT_LOCALMX) || *mxnames || *mxtarget)
{
if (gethostname(buff, MAXDNAME) == -1)
die("cannot get host-name: %s", NULL);
if (!*mxname)
*mxname = safe_string_alloc(buff);
if (!*mxnames)
{
*mxnames = safe_malloc(sizeof(struct mx_record));
(*mxnames)->next = NULL;
(*mxnames)->mxtarget = NULL;
(*mxnames)->mxname = safe_string_alloc(buff);
}
if (!*mxtarget)
*mxtarget = safe_string_alloc(buff);
@@ -1207,7 +1226,36 @@ unsigned int read_opts (int argc, char **argv, char *buff, struct resolvc **reso
*resolv_files = 0;
else if (*resolv_files && (*resolv_files)->next && (flags & OPT_NO_POLL))
die("only one resolv.conf file allowed in no-poll mode.", NULL);
if (flags & OPT_RESOLV_DOMAIN)
{
char *line;
if (!*resolv_files || (*resolv_files)->next)
die("must have exactly one resolv.conf to read domain from.", NULL);
if (!(f = fopen((*resolv_files)->name, "r")))
die("failed to read %s: %m", (*resolv_files)->name);
while ((line = fgets(buff, MAXDNAME, f)))
{
char *token = strtok(line, " \t\n\r");
if (!token || strcmp(token, "search") != 0)
continue;
if ((token = strtok(NULL, " \t\n\r")) &&
canonicalise(token) &&
(*domain_suffix = safe_string_alloc(token)))
break;
}
fclose(f);
if (!*domain_suffix)
die("no search directive found in %s", (*resolv_files)->name);
}
return flags;
}