homedir.c

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#include <ascii-chat/crypto/gpg/homedir.h>
#include <ascii-chat/common.h>
#include <ascii-chat/log/log.h>
#include <ascii-chat/platform/filesystem.h>
#include <string.h>
#include <stdlib.h>
 
struct gpg_homedir {
  char path[PLATFORM_MAX_PATH_LENGTH];
};
 
gpg_homedir_t *gpg_homedir_create(void) {
  gpg_homedir_t *homedir = SAFE_MALLOC(sizeof(gpg_homedir_t), gpg_homedir_t *);
  if (!homedir) {
    log_error("Failed to allocate memory for GPG homedir handle");
    return NULL;
  }
 
  /* Create temporary directory using platform abstraction */
  if (platform_mkdtemp(homedir->path, sizeof(homedir->path), "ascii-chat-gpg") != 0) {
    log_error("Failed to create temporary GPG homedir");
    SAFE_FREE(homedir);
    return NULL;
  }
 
  /* Restrict permissions to owner only (mode 0700) using platform abstraction */
  if (platform_chmod(homedir->path, 0700) != 0) {
    log_warn("Failed to set permissions on GPG homedir, attempting cleanup");
    platform_rmdir_recursive(homedir->path);
    SAFE_FREE(homedir);
    return NULL;
  }
 
  log_debug("Created temporary GPG homedir: %s", homedir->path);
  return homedir;
}
 
const char *gpg_homedir_path(const gpg_homedir_t *homedir) {
  if (!homedir) {
    return NULL;
  }
  return homedir->path;
}
 
void gpg_homedir_destroy(gpg_homedir_t *homedir) {
  if (!homedir) {
    return;
  }
 
  /* Recursively delete the entire directory and all contents using platform abstraction */
  if (platform_rmdir_recursive(homedir->path) != 0) {
    log_warn("Failed to completely clean up GPG homedir: %s", homedir->path);
  } else {
    log_debug("Cleaned up temporary GPG homedir: %s", homedir->path);
  }
 
  SAFE_FREE(homedir);
}