Prevent buffer overflows.
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parent
2efeedfd4b
commit
cd79a42a80
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=64222
@ -200,6 +200,11 @@ void file_compress(file, mode)
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FILE *in;
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gzFile out;
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if (strlen(file) + strlen(GZ_SUFFIX) >= sizeof(outfile)) {
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fprintf(stderr, "%s: nilename too long\n", prog);
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exit(1);
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}
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strcpy(outfile, file);
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strcat(outfile, GZ_SUFFIX);
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@ -231,6 +236,11 @@ void file_uncompress(file)
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gzFile in;
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int len = strlen(file);
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if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) {
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fprintf(stderr, "%s: filename too long\n", prog);
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exit(1);
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}
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strcpy(buf, file);
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if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
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