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Correctly reject packages lines with empty entries
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commit
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@ -3300,22 +3300,38 @@ validate_recommended_package_line(const char *line)
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WORD(); /* Skip URL */
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++cp;
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/* Skip digestname=digestval + */
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int foundeq = 0;
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while (*cp) {
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if (*cp == ' ') {
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if (!foundeq)
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return 0;
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foundeq = 0;
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} else if (*cp == '=') {
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if (++foundeq > 1)
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return 0;
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}
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++cp;
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/* Skip digesttype=digestval + */
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int n_entries = 0;
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while (1) {
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const char *start_of_word = cp;
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const char *end_of_word = strchr(cp, ' ');
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if (! end_of_word)
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end_of_word = cp + strlen(cp);
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if (start_of_word == end_of_word)
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return 0;
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const char *eq = memchr(start_of_word, '=', end_of_word - start_of_word);
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if (!eq)
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return 0;
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if (eq == start_of_word)
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return 0;
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if (eq == end_of_word - 1)
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return 0;
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if (memchr(eq+1, '=', end_of_word - (eq+1)))
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return 0;
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++n_entries;
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if (0 == *end_of_word)
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break;
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cp = end_of_word + 1;
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}
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if (!foundeq)
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if (n_entries == 0)
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return 0;
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return 1;
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}
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@ -2961,6 +2961,13 @@ test_dir_packages(void *arg)
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BAD("tor ");
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BAD("tor");
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BAD("");
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BAD("=foobar sha256="
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"3c179f46ca77069a6a0bac70212a9b3b838b2f66129cb52d568837fc79d8fcc7");
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BAD("= = sha256="
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"3c179f46ca77069a6a0bac70212a9b3b838b2f66129cb52d568837fc79d8fcc7");
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BAD("sha512= sha256="
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"3c179f46ca77069a6a0bac70212a9b3b838b2f66129cb52d568837fc79d8fcc7");
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votes = smartlist_new();
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smartlist_add(votes, tor_malloc_zero(sizeof(networkstatus_t)));
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