| 33 | */ |
| 34 | |
| 35 | int /* O - New file descriptor or -1 on error */ |
| 36 | cupsTempFd(char *filename, /* I - Pointer to buffer */ |
| 37 | int len) /* I - Size of buffer */ |
| 38 | { |
| 39 | int fd; /* File descriptor for temp file */ |
| 40 | int tries; /* Number of tries */ |
| 41 | const char *tmpdir; /* TMPDIR environment var */ |
| 42 | #if (defined(__APPLE__) && defined(_CS_DARWIN_USER_TEMP_DIR)) || defined(_WIN32) |
| 43 | char tmppath[1024]; /* Temporary directory */ |
| 44 | #endif /* (__APPLE__ && _CS_DARWIN_USER_TEMP_DIR) || _WIN32 */ |
| 45 | #ifdef _WIN32 |
| 46 | DWORD curtime; /* Current time */ |
| 47 | #else |
| 48 | struct timeval curtime; /* Current time */ |
| 49 | #endif /* _WIN32 */ |
| 50 | |
| 51 | |
| 52 | /* |
| 53 | * See if TMPDIR is defined... |
| 54 | */ |
| 55 | |
| 56 | #ifdef _WIN32 |
| 57 | if ((tmpdir = getenv("TEMP")) == NULL) |
| 58 | { |
| 59 | GetTempPathA(sizeof(tmppath), tmppath); |
| 60 | tmpdir = tmppath; |
| 61 | } |
| 62 | |
| 63 | #elif defined(__APPLE__) |
| 64 | /* |
| 65 | * On macOS and iOS, the TMPDIR environment variable is not always the best |
| 66 | * location to place temporary files due to sandboxing. Instead, the confstr |
| 67 | * function should be called to get the proper per-user, per-process TMPDIR |
| 68 | * value. |
| 69 | */ |
| 70 | |
| 71 | if ((tmpdir = getenv("TMPDIR")) != NULL && access(tmpdir, W_OK)) |
| 72 | tmpdir = NULL; |
| 73 | |
| 74 | if (!tmpdir) |
| 75 | { |
| 76 | #ifdef _CS_DARWIN_USER_TEMP_DIR |
| 77 | if (confstr(_CS_DARWIN_USER_TEMP_DIR, tmppath, sizeof(tmppath))) |
| 78 | tmpdir = tmppath; |
| 79 | else |
| 80 | #endif /* _CS_DARWIN_USER_TEMP_DIR */ |
| 81 | tmpdir = "/private/tmp"; /* OS X 10.4 and earlier */ |
| 82 | } |
| 83 | |
| 84 | #else |
| 85 | /* |
| 86 | * Previously we put root temporary files in the default CUPS temporary |
| 87 | * directory under /var/spool/cups. However, since the scheduler cleans |
| 88 | * out temporary files there and runs independently of the user apps, we |
| 89 | * don't want to use it unless specifically told to by cupsd. |
| 90 | */ |
| 91 | |
| 92 | if ((tmpdir = getenv("TMPDIR")) == NULL) |
no outgoing calls