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https://github.com/libguestfs/libguestfs.git
synced 2026-03-21 22:53:37 +00:00
Replace shell_quote function with %Q and %R printf specifiers.
%Q => simple shell quoted string %R => path will be prefixed by /sysroot eg. snprintf (cmd, sizeof cmd, "cat %R", path); system (cmd);
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@@ -440,6 +440,7 @@ char *
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do_zfile (char *method, char *path)
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{
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int len;
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const char *zcat;
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char *cmd;
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FILE *fp;
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char line[256];
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@@ -447,27 +448,22 @@ do_zfile (char *method, char *path)
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NEED_ROOT (NULL);
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ABS_PATH (path, NULL);
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len = 2 * strlen (path) + sysroot_len + 64;
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cmd = malloc (len);
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if (!cmd) {
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reply_with_perror ("malloc");
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return NULL;
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}
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if (strcmp (method, "gzip") == 0 || strcmp (method, "compress") == 0)
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strcpy (cmd, "zcat");
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zcat = "zcat";
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else if (strcmp (method, "bzip2") == 0)
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strcpy (cmd, "bzcat");
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zcat = "bzcat";
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else {
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free (cmd);
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reply_with_error ("zfile: unknown method");
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return NULL;
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}
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strcat (cmd, " ");
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strcat (cmd, sysroot);
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shell_quote (cmd + strlen (cmd), len - strlen (cmd), path);
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strcat (cmd, " | file -bsL -");
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if (asprintf_nowarn (&cmd, "%s %R | file -bsL -", zcat, path) == -1) {
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reply_with_perror ("asprintf");
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return NULL;
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}
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if (verbose)
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fprintf (stderr, "%s\n", cmd);
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fp = popen (cmd, "r");
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if (fp == NULL) {
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