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Compare string lengths when parsing the snapshot mask
We used to rely on the result from strncmp() without comparing the length of the strings involved. Even worse, any single-character format specifier would enable zip-format due to the optional '.'-prefix since the length of the mask then would become zero. Noticed-by: Evan Martin <sys@neugierig.org> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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@ -130,7 +130,7 @@ int cgit_parse_snapshots_mask(const char *str)
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{
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const struct snapshot_archive_t* sat;
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static const char *delim = " \t,:/|;";
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int f, tl, rv = 0;
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int f, tl, sl, rv = 0;
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/* favor legacy setting */
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if(atoi(str))
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@ -142,8 +142,9 @@ int cgit_parse_snapshots_mask(const char *str)
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break;
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for(f=0; f<snapshot_archives_len; f++) {
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sat = &snapshot_archives[f];
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if(!(strncmp(sat->suffix, str, tl) &&
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strncmp(sat->suffix+1, str, tl-1))) {
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sl = strlen(sat->suffix);
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if((tl == sl && !strncmp(sat->suffix, str, tl)) ||
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(tl == sl-1 && !strncmp(sat->suffix+1, str, tl-1))) {
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rv |= sat->bit;
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break;
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}
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