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-rw-r--r--src/userpref.c58
-rw-r--r--src/userpref.h2
2 files changed, 48 insertions, 12 deletions
diff --git a/src/userpref.c b/src/userpref.c
index 9b7a0a8..2f4e55b 100644
--- a/src/userpref.c
+++ b/src/userpref.c
@@ -193,6 +193,8 @@ static int config_write(const char *cfgfile, plist_t dict)
fprintf(fd, "\n[Global]\nHostID=%s\n", hostidstr);
fclose(fd);
res = 0;
+ } else {
+ debug_info("could not open '%s' for writing: %s", cfgfile, strerror(errno));
}
free(hostidstr);
}
@@ -234,6 +236,7 @@ static int config_read(const char *cfgfile, plist_t *dict)
int res = -1;
FILE *fd = fopen(cfgfile, "rb");
if (!fd) {
+ debug_info("could not open '%s' for reading: %s", cfgfile, strerror(errno));
return -1;
}
@@ -565,8 +568,12 @@ userpref_error_t userpref_set_device_public_key(const char *uuid, key_data_t pub
/* store file */
FILE *pFile = fopen(pem, "wb");
- fwrite(public_key.data, 1, public_key.size, pFile);
- fclose(pFile);
+ if (pFile) {
+ fwrite(public_key.data, 1, public_key.size, pFile);
+ fclose(pFile);
+ } else {
+ debug_info("could not open '%s' for writing: %s", pem, strerror(errno));
+ }
free(pem);
return USERPREF_E_SUCCESS;
@@ -678,6 +685,7 @@ static userpref_error_t userpref_gen_keys_and_cert(void)
key_data_t host_key_pem = { NULL, 0 };
key_data_t host_cert_pem = { NULL, 0 };
+ debug_info("Generating keys and certificates");
#ifdef HAVE_OPENSSL
RSA* root_keypair = RSA_generate_key(2048, 65537, NULL, NULL);
RSA* host_keypair = RSA_generate_key(2048, 65537, NULL, NULL);
@@ -1035,6 +1043,7 @@ userpref_error_t userpref_get_certs_as_pem(key_data_t *pem_root_cert, key_data_t
pem_host_cert->size = 0;
}
}
+ debug_info("configuration invalid");
return USERPREF_E_INVALID_CONF;
}
@@ -1055,9 +1064,14 @@ userpref_error_t userpref_set_keys_and_certs(key_data_t * root_key, key_data_t *
FILE *pFile;
char *pem;
const char *config_path;
+ userpref_error_t ret = USERPREF_E_SUCCESS;
+
+ debug_info("saving keys and certs");
- if (!root_key || !host_key || !root_cert || !host_cert)
+ if (!root_key || !host_key || !root_cert || !host_cert) {
+ debug_info("missing key or cert (root_key=%p, host_key=%p, root=cert=%p, host_cert=%p", root_key, host_key, root_cert, host_cert);
return USERPREF_E_INVALID_ARG;
+ }
/* Make sure config directory exists */
userpref_create_config_dir();
@@ -1070,8 +1084,13 @@ userpref_error_t userpref_set_keys_and_certs(key_data_t * root_key, key_data_t *
strcat(pem, DIR_SEP_S);
strcat(pem, LIBIMOBILEDEVICE_ROOT_PRIVKEY);
pFile = fopen(pem, "wb");
- fwrite(root_key->data, 1, root_key->size, pFile);
- fclose(pFile);
+ if (pFile) {
+ fwrite(root_key->data, 1, root_key->size, pFile);
+ fclose(pFile);
+ } else {
+ debug_info("could not open '%s' for writing: %s", pem, strerror(errno));
+ ret = USERPREF_E_WRITE_ERROR;
+ }
free(pem);
pem = (char*)malloc(strlen(config_path)+1+strlen(LIBIMOBILEDEVICE_HOST_PRIVKEY)+1);
@@ -1079,8 +1098,13 @@ userpref_error_t userpref_set_keys_and_certs(key_data_t * root_key, key_data_t *
strcat(pem, DIR_SEP_S);
strcat(pem, LIBIMOBILEDEVICE_HOST_PRIVKEY);
pFile = fopen(pem, "wb");
- fwrite(host_key->data, 1, host_key->size, pFile);
- fclose(pFile);
+ if (pFile) {
+ fwrite(host_key->data, 1, host_key->size, pFile);
+ fclose(pFile);
+ } else {
+ debug_info("could not open '%s' for writing: %s", pem, strerror(errno));
+ ret = USERPREF_E_WRITE_ERROR;
+ }
free(pem);
pem = (char*)malloc(strlen(config_path)+1+strlen(LIBIMOBILEDEVICE_ROOT_CERTIF)+1);
@@ -1088,8 +1112,13 @@ userpref_error_t userpref_set_keys_and_certs(key_data_t * root_key, key_data_t *
strcat(pem, DIR_SEP_S);
strcat(pem, LIBIMOBILEDEVICE_ROOT_CERTIF);
pFile = fopen(pem, "wb");
- fwrite(root_cert->data, 1, root_cert->size, pFile);
- fclose(pFile);
+ if (pFile) {
+ fwrite(root_cert->data, 1, root_cert->size, pFile);
+ fclose(pFile);
+ } else {
+ debug_info("could not open '%s' for writing: %s", pem, strerror(errno));
+ ret = USERPREF_E_WRITE_ERROR;
+ }
free(pem);
pem = (char*)malloc(strlen(config_path)+1+strlen(LIBIMOBILEDEVICE_HOST_CERTIF)+1);
@@ -1097,9 +1126,14 @@ userpref_error_t userpref_set_keys_and_certs(key_data_t * root_key, key_data_t *
strcat(pem, DIR_SEP_S);
strcat(pem, LIBIMOBILEDEVICE_HOST_CERTIF);
pFile = fopen(pem, "wb");
- fwrite(host_cert->data, 1, host_cert->size, pFile);
- fclose(pFile);
+ if (pFile) {
+ fwrite(host_cert->data, 1, host_cert->size, pFile);
+ fclose(pFile);
+ } else {
+ debug_info("could not open '%s' for writing: %s", pem, strerror(errno));
+ ret = USERPREF_E_WRITE_ERROR;
+ }
free(pem);
- return USERPREF_E_SUCCESS;
+ return ret;
}
diff --git a/src/userpref.h b/src/userpref.h
index ae8aff9..e5dcd1f 100644
--- a/src/userpref.h
+++ b/src/userpref.h
@@ -50,6 +50,8 @@ typedef gnutls_datum_t key_data_t;
#define USERPREF_E_INVALID_ARG -1
#define USERPREF_E_INVALID_CONF -2
#define USERPREF_E_SSL_ERROR -3
+#define USERPREF_E_READ_ERROR -4
+#define USERPREF_E_WRITE_ERROR -5
#define USERPREF_E_UNKNOWN_ERROR -256