Check for file==dir only when reading.

eclipse · Aug 23, 2021 · 9526b4c · 9526b4c
1 parent ba2ca33
commit 9526b4c
Showing 1 changed file with 9 additions and 7 deletions.
diff --git a/lib/misc_mosq.c b/lib/misc_mosq.c
@@ -117,14 +117,16 @@ FILE *mosquitto__fopen(const char *path, const char *mode, bool restrict_read)
  }
  }
 #else
- struct stat statbuf;
- if(stat(path, &statbuf) < 0){
- return NULL;
- }
+ if(mode[0] == 'r'){
+ struct stat statbuf;
+ if(stat(path, &statbuf) < 0){
+ return NULL;
+ }
 
- if(!S_ISREG(statbuf.st_mode) && !S_ISLNK(statbuf.st_mode)){
- log__printf(NULL, MOSQ_LOG_ERR, "Error: %s is not a file.", path);
- return NULL;
+ if(!S_ISREG(statbuf.st_mode) && !S_ISLNK(statbuf.st_mode)){
+ log__printf(NULL, MOSQ_LOG_ERR, "Error: %s is not a file.", path);
+ return NULL;
+ }
  }
 
  if (restrict_read) {