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Code Issues Releases Wiki Activity

Reduced code duplication. Code duplication is evil.

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This commit is contained in:
Andreas Gustafsson 2001-08-03 22:33:02 +00:00
parent 644772cf06
commit 0094faa6e0
1 changed files with 51 additions and 66 deletions
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117
bin/rndc/rndc-confgen.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rndc-confgen.c,v 1.4 2001/08/03 22:12:42 gson Exp $ */
/* $Id: rndc-confgen.c,v 1.5 2001/08/03 22:33:02 gson Exp $ */
#include <config.h>
@ -76,6 +76,45 @@ Usage:\n\
exit (status);
}
/*
* Write an rndc.key file to 'keyfile'. If 'user' is non-NULL,
* make that user the owner of the file. The key will have
* the name 'keyname' and the secret in the buffer 'secret'.
*/
static void
write_key_file(const char *keyfile, const char *user,
const char *keyname, isc_buffer_t *secret )
{
FILE *fd;
fd = safe_create(keyfile);
if (fd == NULL) {
fprintf(stderr, "unable to create \"%s\"\n", keyfile);
return;
}
if (user != NULL) {
if (set_user(fd, user) == -1) {
fprintf(stderr, "unable to set file owner\n");
fclose(fd);
return;
}
}
fprintf(fd, "key \"%s\" {\n\talgorithm hmac-md5;\n"
"\tsecret \"%.*s\";\n};\n", keyname,
(int)isc_buffer_usedlength(secret),
(char *)isc_buffer_base(secret));
fflush(fd);
if (ferror(fd)) {
fprintf(stderr, "write to %s failed\n", keyfile);
fclose(fd);
return;
}
if (fclose(fd)) {
fprintf(stderr, "fclose(%s) failed\n", keyfile);
return;
}
}
int
main(int argc, char **argv) {
isc_boolean_t show_final_mem = ISC_FALSE;
@ -104,8 +143,6 @@ main(int argc, char **argv) {
char *user = NULL;
isc_boolean_t keyonly = ISC_FALSE;
int len;
FILE *fd;
char *buf;
keydef = keyfile = RNDC_KEYFILE;
@ -241,74 +278,22 @@ main(int argc, char **argv) {
printf("\n\n");
if (keyonly) {
fd = safe_create(keyfile);
if (fd == NULL) {
fprintf(stderr, "unable to create \"%s\"\n", keyfile);
goto cleanup;
}
if (user != NULL && chrootdir == NULL) {
if (set_user(fd, user) == -1) {
fprintf(stderr, "unable to set file owner\n");
fclose(fd);
goto cleanup;
}
}
fprintf(fd, "key \"%s\" {\n\talgorithm hmac-md5;\n"
"\tsecret \"%.*s\";\n};\n", keyname,
(int)isc_buffer_usedlength(&key_txtbuffer),
(char *)isc_buffer_base(&key_txtbuffer));
fflush(fd);
if (ferror(fd)) {
fprintf(stderr, "write to %s failed\n", keyfile);
fclose(fd);
goto cleanup;
}
if (fclose(fd)) {
fprintf(stderr, "fclose(%s) failed\n", keyfile);
goto cleanup;
}
if (chrootdir == NULL)
goto cleanup;
write_key_file(keyfile, chrootdir == NULL ? user : NULL,
keyname, &key_txtbuffer);
len = strlen(chrootdir) + strlen(keyfile) + 2;
buf = isc_mem_get(mctx, len);
if (buf != NULL) {
fprintf(stderr, "isc_mem_get(%d) failed\n", len);
goto cleanup;
}
snprintf(buf, len, "%s/%s", chrootdir, keyfile);
fd = safe_create(buf);
if (fd == NULL) {
fprintf(stderr, "unable to create \"%s\"\n",
buf);
isc_mem_put(mctx, buf, len);
goto cleanup;
}
if (user != NULL) {
if (set_user(fd, user) == -1) {
fprintf(stderr, "unable to set file owner\n");
fclose(fd);
isc_mem_put(mctx, buf, len);
if (chrootdir != NULL) {
char *buf;
len = strlen(chrootdir) + strlen(keyfile) + 2;
buf = isc_mem_get(mctx, len);
if (buf != NULL) {
fprintf(stderr, "isc_mem_get(%d) failed\n", len);
goto cleanup;
}
}
fprintf(fd, "key \"%s\" {\n\talgorithm hmac-md5;\n"
"\tsecret \"%.*s\";\n};\n", keyname,
(int)isc_buffer_usedlength(&key_txtbuffer),
(char *)isc_buffer_base(&key_txtbuffer));
fflush(fd);
if (ferror(fd)) {
fprintf(stderr, "write to %s failed\n", buf);
fclose(fd);
snprintf(buf, len, "%s/%s", chrootdir, keyfile);
write_key_file(buf, user, keyname, &key_txtbuffer);
isc_mem_put(mctx, buf, len);
goto cleanup;
}
if (fclose(fd)) {
fprintf(stderr, "fclose(%s) failed\n", buf);
isc_mem_put(mctx, buf, len);
goto cleanup;
}
isc_mem_put(mctx, buf, len);
} else {
printf("\
# Start of rndc.conf\n\