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file: Checks the permissions for the current directory

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Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
This commit is contained in:
Jianhui Zhao
2021-01-30 15:29:42 +08:00
parent fcc13d72ad
commit 74f0d79a9f
1 changed files with 28 additions and 21 deletions
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src/filectl.c
+28 -21
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@@ -142,6 +142,32 @@ void request_transfer_file(char type, const char *path)
int sfd = -1;
int ctlfd;
if (type == 'R') {
if (access(".", W_OK | X_OK)) {
printf("Permission denied\n");
exit(EXIT_FAILURE);
}
} else {
sfd = open(path, O_RDONLY);
if (sfd < 0) {
printf("open '%s' failed: ", path);
if (errno == ENOENT)
printf("No such filen");
else
printf("%s\n", strerror(errno));
exit(EXIT_FAILURE);
}
fstat(sfd, &st);
if (!(st.st_mode & S_IFREG)) {
printf("'%s' is not a regular file\n", path);
close(sfd);
exit(EXIT_FAILURE);
}
total_size = st.st_size;
}
sprintf(fifo_name, "/tmp/rtty-file-%d.fifo", pid);
if (mkfifo(fifo_name, 0644) < 0) {
@@ -159,28 +185,8 @@ void request_transfer_file(char type, const char *path)
memcpy(RTTY_FILE_MAGIC + 4, &pid, 4);
if (type == 'S') {
sfd = open(path, O_RDONLY);
if (sfd < 0) {
printf("open '%s' failed: ", path);
if (errno == ENOENT)
printf("No such file\n");
else
printf("%s\n", strerror(errno));
return;
}
fstat(sfd, &st);
if (!(st.st_mode & S_IFREG)) {
printf("'%s' is not a regular file\n", path);
close(sfd);
return;
}
total_size = st.st_size;
if (type == 'S')
memcpy(RTTY_FILE_MAGIC + 8, &sfd, 4);
}
fwrite(RTTY_FILE_MAGIC, sizeof(RTTY_FILE_MAGIC), 1, stdout);
fflush(stdout);
@@ -193,6 +199,7 @@ void request_transfer_file(char type, const char *path)
if (type == 'S') {
usleep(1000 * 10);
printf("Transferring '%s'...Press Ctrl+C to cancel\n", basename(path));
if (total_size == 0) {