92 строки
1.5 KiB
C
92 строки
1.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "torture_pki.h"
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char *torture_pki_read_file(const char *filename)
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{
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char *key;
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int fd;
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int size;
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int rc;
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struct stat sb;
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if (filename == NULL || filename[0] == '\0') {
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return NULL;
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}
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fd = open(filename, O_RDONLY);
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if (fd < 0) {
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return NULL;
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}
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rc = fstat(fd, &sb);
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if (rc != 0) {
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close(fd);
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return NULL;
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}
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key = malloc(sb.st_size + 1);
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if (key == NULL) {
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close(fd);
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return NULL;
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}
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size = read(fd, key, sb.st_size);
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close(fd);
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if (size != sb.st_size) {
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free(key);
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return NULL;
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}
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key[size] = '\0';
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return key;
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}
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int torture_read_one_line(const char *filename, char *buffer, size_t len)
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{
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FILE *fp;
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size_t nmemb;
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fp = fopen(filename, "r");
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if (fp == NULL) {
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return -1;
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}
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nmemb = fread(buffer, len - 2, 1, fp);
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if (nmemb != 0 || ferror(fp)) {
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fclose(fp);
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return -1;
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}
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buffer[len - 1] = '\0';
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fclose(fp);
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return 0;
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}
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/**
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* @internal
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*
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* Returns the character len of a public key string, omitting the comment part
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*/
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size_t torture_pubkey_len(const char *pubkey)
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{
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const char *ptr;
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ptr = strchr(pubkey, ' ');
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if (ptr != NULL) {
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ptr = strchr(ptr + 1, ' ');
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if (ptr != NULL) {
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return ptr - pubkey;
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}
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}
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return 0;
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}
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