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Fixed a bug that regular files could not be created by mknod

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This commit is contained in:
Takeshi Nakatani 2022-06-19 06:02:23 +00:00 committed by Andrew Gaul
parent 73b49c1038
commit f11eb7d69b
3 changed files with 11 additions and 7 deletions
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4
src/fdcache_entity.cpp
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@ -1545,7 +1545,7 @@ int FdEntity::RowFlushMultipart(PseudoFdInfo* pseudo_obj, const char* tpath)
S3FS_PRN_ERR("failed to truncate file(physical_fd=%d) to zero, but continue...", physical_fd); S3FS_PRN_ERR("failed to truncate file(physical_fd=%d) to zero, but continue...", physical_fd);
} }
// put pending headers or create new file // put pending headers or create new file
if(0 != (result = UploadPending())){ if(0 != (result = UploadPending(-1))){
return result; return result;
} }
} }
@ -1673,7 +1673,7 @@ int FdEntity::RowFlushMixMultipart(PseudoFdInfo* pseudo_obj, const char* tpath)
S3FS_PRN_ERR("failed to truncate file(physical_fd=%d) to zero, but continue...", physical_fd); S3FS_PRN_ERR("failed to truncate file(physical_fd=%d) to zero, but continue...", physical_fd);
} }
// put pending headers or create new file // put pending headers or create new file
if(0 != (result = UploadPending())){ if(0 != (result = UploadPending(-1))){
return result; return result;
} }
} }

2
src/fdcache_entity.h
View File

@ -105,7 +105,7 @@ class FdEntity
int GetPhysicalFd() const { return physical_fd; } int GetPhysicalFd() const { return physical_fd; }
bool IsModified() const; bool IsModified() const;
bool MergeOrgMeta(headers_t& updatemeta); bool MergeOrgMeta(headers_t& updatemeta);
int UploadPending(int fd = -1); int UploadPending(int fd);
bool GetStats(struct stat& st, bool lock_already_held = false); bool GetStats(struct stat& st, bool lock_already_held = false);
int SetCtime(struct timespec time, bool lock_already_held = false); int SetCtime(struct timespec time, bool lock_already_held = false);

12
test/mknod_test.c
View File

@ -82,7 +82,7 @@ bool TestMknod(const char* basepath, mode_t mode)
break; break;
case S_IFBLK: case S_IFBLK:
str_mode = str_mode_blk; str_mode = str_mode_blk;
dev = makedev((long long)(259), 0); // temporary value dev = makedev((unsigned int)(259), 0); // temporary value
sprintf(filepath, "%s.%s", basepath, str_ext_blk); sprintf(filepath, "%s.%s", basepath, str_ext_blk);
break; break;
case S_IFIFO: case S_IFIFO:
@ -93,7 +93,8 @@ bool TestMknod(const char* basepath, mode_t mode)
case S_IFSOCK: case S_IFSOCK:
str_mode = str_mode_sock; str_mode = str_mode_sock;
dev = 0; dev = 0;
sprintf(filepath, "%s.%s", basepath, str_ext_sock); snprintf(filepath, S3FS_TEST_PATH_MAX, "%s.%s", basepath, str_ext_sock);
filepath[S3FS_TEST_PATH_MAX - 1] = '\0'; // for safety
break; break;
default: default:
fprintf(stderr, "[ERROR] Called function with wrong mode argument.\n"); fprintf(stderr, "[ERROR] Called function with wrong mode argument.\n");
@ -137,11 +138,11 @@ int main(int argc, char *argv[])
{ {
// Parse parameters // Parse parameters
if(2 != argc){ if(2 != argc){
fprintf(stderr, "[ERROR] No paraemter is specified.\n"); fprintf(stderr, "[ERROR] No parameter is specified.\n");
fprintf(stderr, "%s\n", usage_string); fprintf(stderr, "%s\n", usage_string);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if(0 == strcasecmp("-h", argv[1]) || 0 == strcasecmp("--help", argv[1])){ if(0 == strcmp("-h", argv[1]) || 0 == strcmp("--help", argv[1])){
fprintf(stdout, "%s\n", usage_string); fprintf(stdout, "%s\n", usage_string);
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
} }
@ -155,6 +156,9 @@ int main(int argc, char *argv[])
// [NOTE] // [NOTE]
// Privilege is required to execute S_IFBLK. // Privilege is required to execute S_IFBLK.
// //
if(0 != geteuid()){
fprintf(stderr, "[WARNING] Skipping mknod(S_IFBLK) due to missing root privileges.\n");
}
if(!TestMknod(argv[1], S_IFREG) || if(!TestMknod(argv[1], S_IFREG) ||
!TestMknod(argv[1], S_IFCHR) || !TestMknod(argv[1], S_IFCHR) ||
!TestMknod(argv[1], S_IFIFO) || !TestMknod(argv[1], S_IFIFO) ||